diff --git a/README.md b/README.md
index 3925f08..9dc4313 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,4 @@
-# Rdio Scanner v3.0
+# Rdio Scanner v3.1
 
 *Rdio Scanner* is a progressive web interface designed to act like an old school police radio scanner. It integrates all frontend / backend components to manage audio files from different sources.
 
@@ -10,11 +10,10 @@ Need help?
 
 ## What's new in this version
 
-Version 3.0 brings new features:
+Version 3.1 brings new features:
 
-* Unit aliases support, display names instead of unit ID
-* Download calls from the search pane
-* New configuration options: *allowDownload* and *useGroup*
+* Code refactoring
+* Display live feed listeners count on server end
 
 *Note that you can only update from version 2.0 and above. You have to do a fresh install if your actual version is prior to version 2.0.*
 
diff --git a/client/package.json b/client/package.json
index 4f902bf..b5e5199 100644
--- a/client/package.json
+++ b/client/package.json
@@ -1,6 +1,6 @@
 {
     "name": "rdio-scanner-client",
-    "version": "3.0.0",
+    "version": "3.1.0",
     "private": true,
     "scripts": {
         "build": "ng build --cross-origin use-credentials --prod $*",
diff --git a/client/src/app/components/rdio-scanner/rdio-scanner-calls-query.service.ts b/client/src/app/components/rdio-scanner/rdio-scanner-calls-query.service.ts
index beb88f7..fbb34e6 100644
--- a/client/src/app/components/rdio-scanner/rdio-scanner-calls-query.service.ts
+++ b/client/src/app/components/rdio-scanner/rdio-scanner-calls-query.service.ts
@@ -46,7 +46,7 @@ export interface RdioScannerCallsQueryResponse {
 export class AppRdioScannerCallsQueryService extends Query<RdioScannerCallsQueryResponse> {
     document = gql`
         query rdioScannerCalls(
-            $date: Date
+            $date: RdioScannerDate
             $limit: Int
             $offset: Int
             $sort: Int
diff --git a/client/src/app/components/rdio-scanner/rdio-scanner.component.html b/client/src/app/components/rdio-scanner/rdio-scanner.component.html
index b4344b1..c9fa671 100644
--- a/client/src/app/components/rdio-scanner/rdio-scanner.component.html
+++ b/client/src/app/components/rdio-scanner/rdio-scanner.component.html
@@ -173,7 +173,7 @@
                     </button>
                 </ng-container>
             </mat-toolbar>
-            <ng-container *ngIf="config.useGroup">
+            <ng-container *ngIf="config.useGroup && groups.length">
                 <fieldset>
                     <div fxLayout="row wrap" fxLayoutAlign="space-between">
                         <button *ngFor="let group of groups" class="rdio-button" (click)="toggleGroup(group.name)"
diff --git a/client/src/app/components/rdio-scanner/rdio-scanner.component.ts b/client/src/app/components/rdio-scanner/rdio-scanner.component.ts
index efa664f..fd49097 100644
--- a/client/src/app/components/rdio-scanner/rdio-scanner.component.ts
+++ b/client/src/app/components/rdio-scanner/rdio-scanner.component.ts
@@ -344,7 +344,7 @@ export class AppRdioScannerComponent implements OnDestroy, OnInit {
                 this.subscribeSearchForm();
                 this.subscribeSearchPaginator();
             });
-        });
+        })
 
     }
 
@@ -567,10 +567,6 @@ export class AppRdioScannerComponent implements OnDestroy, OnInit {
     }
 
     private buildGroups(): void {
-        if (!this.config.useGroup) {
-            return;
-        }
-
         const groups: RdioScannerGroup[] = [];
 
         this.systems.forEach((system: RdioScannerSystem) => {
diff --git a/package.json b/package.json
index cec2088..221a4e6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "rdio-scanner",
-    "version": "3.0.0",
+    "version": "3.1.0",
     "private": true,
     "main": "run.js",
     "scripts": {
diff --git a/server/config/config.js b/server/config/config.js
index 7d75129..495f563 100644
--- a/server/config/config.js
+++ b/server/config/config.js
@@ -1,37 +1,21 @@
 'use strict';
 
-require('dotenv').config();
-
-const defaultConfig = {
-    database: '',
-    dialect: 'sqlite',
+const config = {
+    database: process.env.DB_NAME,
+    dialect: process.env.DB_DIALECT || 'sqlite',
     dialectOptions: {
         timezone: process.env.DB_TZ || 'Etc/GMT0',
     },
-    host: '',
+    host: process.env.DB_HOST,
     logging: false,
-    password: '',
-    port: '',
-    storage: 'database.sqlite',
-    username: '',
+    password: process.env.DB_PASS,
+    port: process.env.DB_PORT,
+    storage: process.env.DB_STORAGE || 'database.sqlite',
+    username: process.env.DB_USER,
 };
 
-function getConfig() {
-    return {
-        database: process.env.DB_NAME || defaultConfig.database,
-        dialect: process.env.DB_DIALECT || defaultConfig.dialect,
-        dialectOptions: defaultConfig.dialectOptions,
-        host: process.env.DB_HOST || defaultConfig.host,
-        logging: defaultConfig.logging,
-        password: process.env.DB_PASS || defaultConfig.password,
-        port: process.env.DB_PORT || defaultConfig.port,
-        storage: process.env.DB_STORAGE || defaultConfig.storage,
-        username: process.env.DB_USER || defaultConfig.username,
-    };
-}
-
 module.exports = {
-    development: getConfig(),
-    production: getConfig(),
-    test: getConfig(),
+    development: config,
+    production: config,
+    test: config,
 };
diff --git a/server/config/index.js b/server/config/index.js
new file mode 100644
index 0000000..037fc8e
--- /dev/null
+++ b/server/config/index.js
@@ -0,0 +1,5 @@
+'use strict';
+
+const config = require('./config');
+
+module.exports = config;
diff --git a/server/graphql/datasources/index.js b/server/graphql/datasources/index.js
deleted file mode 100644
index df6e4ce..0000000
--- a/server/graphql/datasources/index.js
+++ /dev/null
@@ -1,20 +0,0 @@
-'use strict';
-
-module.exports = ({ store }) => {
-    const camelCase = require('camelcase');
-    const fs = require('fs');
-    const path = require('path');
-    const basename = path.basename(__filename);
-    const dataSources = {};
-
-    fs.readdirSync(__dirname)
-        .filter((file) => (file.indexOf('.') !== 0) && (file !== basename) && (file.slice(-3) === '.js'))
-        .map((file) => file.slice(0, -3))
-        .forEach((file) => {
-            const ds = require(`./${file}`);
-            const name = camelCase(file);
-            dataSources[name] = new ds({ store });
-        });
-
-    return () => dataSources;
-};
diff --git a/server/graphql/datasources/rdio-scanner-call.js b/server/graphql/datasources/rdio-scanner-call.js
deleted file mode 100644
index bdd028e..0000000
--- a/server/graphql/datasources/rdio-scanner-call.js
+++ /dev/null
@@ -1,72 +0,0 @@
-'use strict';
-
-const { DataSource } = require('apollo-datasource');
-const { callReducer } = require('../../helpers/rdio-scanner');
-
-class RdioScannerSystem extends DataSource {
-    constructor({ store }) {
-        super();
-
-        this.store = store;
-    }
-
-    initialize(config) {
-        this.context = config.context;
-    }
-
-    async getCall(id) {
-        const result = await this.store.rdioScannerCall.findByPk(id);
-
-        return callReducer(result.dataValues);
-    }
-
-    async getCalls({ date, system, talkgroup }, { limit, offset, sort }) {
-        const Op = this.store.Sequelize.Op;
-
-        const attributes = {
-            exclude: ['audio', 'freqList', 'srcList'],
-        };
-
-        const order = [['startTime', typeof sort === 'number' && sort < 0 ? 'DESC' : 'ASC']];
-
-        const where = {};
-
-        if (typeof system === 'number') {
-            where.system = system;
-        }
-
-        if (typeof talkgroup === 'number') {
-            where.talkgroup = talkgroup;
-        }
-
-        const dateStartQuery = await this.store.rdioScannerCall.findOne({ order: [['startTime', 'ASC']], where });
-
-        const dateStart = dateStartQuery && dateStartQuery.get('startTime');
-
-        const dateStopQuery = await this.store.rdioScannerCall.findOne({ order: [['startTime', 'DESC']], where });
-
-        const dateStop = dateStopQuery && dateStopQuery.get('startTime');
-
-        if (typeof date === 'string') {
-            const d = new Date(date);
-
-            where.startTime = {
-                [Op.gte]: new Date(d.getFullYear(), d.getMonth(), d.getDate(), 0, 0, 0),
-                [Op.lte]: new Date(d.getFullYear(), d.getMonth(), d.getDate(), 23, 59, 59),
-            };
-        }
-
-        const count = await this.store.rdioScannerCall.count({ where });
-
-        limit = typeof limit === 'number' ? limit : 100;
-        offset = typeof offset === 'number' ? offset : 0;
-
-        const calls = await this.store.rdioScannerCall.findAll({ attributes, limit, offset, order, where });
-
-        const results = callReducer(calls);
-
-        return { count, dateStart, dateStop, results };
-    }
-}
-
-module.exports = RdioScannerSystem;
diff --git a/server/graphql/datasources/rdio-scanner-config.js b/server/graphql/datasources/rdio-scanner-config.js
deleted file mode 100644
index bdd028e..0000000
--- a/server/graphql/datasources/rdio-scanner-config.js
+++ /dev/null
@@ -1,72 +0,0 @@
-'use strict';
-
-const { DataSource } = require('apollo-datasource');
-const { callReducer } = require('../../helpers/rdio-scanner');
-
-class RdioScannerSystem extends DataSource {
-    constructor({ store }) {
-        super();
-
-        this.store = store;
-    }
-
-    initialize(config) {
-        this.context = config.context;
-    }
-
-    async getCall(id) {
-        const result = await this.store.rdioScannerCall.findByPk(id);
-
-        return callReducer(result.dataValues);
-    }
-
-    async getCalls({ date, system, talkgroup }, { limit, offset, sort }) {
-        const Op = this.store.Sequelize.Op;
-
-        const attributes = {
-            exclude: ['audio', 'freqList', 'srcList'],
-        };
-
-        const order = [['startTime', typeof sort === 'number' && sort < 0 ? 'DESC' : 'ASC']];
-
-        const where = {};
-
-        if (typeof system === 'number') {
-            where.system = system;
-        }
-
-        if (typeof talkgroup === 'number') {
-            where.talkgroup = talkgroup;
-        }
-
-        const dateStartQuery = await this.store.rdioScannerCall.findOne({ order: [['startTime', 'ASC']], where });
-
-        const dateStart = dateStartQuery && dateStartQuery.get('startTime');
-
-        const dateStopQuery = await this.store.rdioScannerCall.findOne({ order: [['startTime', 'DESC']], where });
-
-        const dateStop = dateStopQuery && dateStopQuery.get('startTime');
-
-        if (typeof date === 'string') {
-            const d = new Date(date);
-
-            where.startTime = {
-                [Op.gte]: new Date(d.getFullYear(), d.getMonth(), d.getDate(), 0, 0, 0),
-                [Op.lte]: new Date(d.getFullYear(), d.getMonth(), d.getDate(), 23, 59, 59),
-            };
-        }
-
-        const count = await this.store.rdioScannerCall.count({ where });
-
-        limit = typeof limit === 'number' ? limit : 100;
-        offset = typeof offset === 'number' ? offset : 0;
-
-        const calls = await this.store.rdioScannerCall.findAll({ attributes, limit, offset, order, where });
-
-        const results = callReducer(calls);
-
-        return { count, dateStart, dateStop, results };
-    }
-}
-
-module.exports = RdioScannerSystem;
diff --git a/server/graphql/datasources/rdio-scanner-system.js b/server/graphql/datasources/rdio-scanner-system.js
deleted file mode 100644
index 6fce41c..0000000
--- a/server/graphql/datasources/rdio-scanner-system.js
+++ /dev/null
@@ -1,25 +0,0 @@
-'use strict';
-
-const { DataSource } = require('apollo-datasource');
-const { systemReducer } = require ('../../helpers/rdio-scanner');
-
-class RdioScannerSystem extends DataSource {
-    constructor({ store }) {
-        super();
-
-        this.store = store;
-    }
-
-    initialize(config) {
-        this.context = config.context;
-    }
-
-    async getSystems() {
-        const systems = await this.store.rdioScannerSystem.findAll({
-            order: [['system', 'ASC']],
-        });
-        return systemReducer(systems);
-    }
-}
-
-module.exports = RdioScannerSystem;
diff --git a/server/graphql/index.js b/server/graphql/index.js
deleted file mode 100644
index cf59872..0000000
--- a/server/graphql/index.js
+++ /dev/null
@@ -1,63 +0,0 @@
-'use strict';
-
-const camelCase = require('camelcase');
-const fs = require('fs');
-const { gql } = require('apollo-server-express');
-const path = require('path');
-
-function graphql({ pubsub, store }) {
-
-    const dataSources = require('./datasources')({ store });
-
-    const query = readDir('queries', pubsub);
-    const scalar = readDir('scalars', pubsub);
-    const subscription = readDir('subscriptions', pubsub);
-    const type = readDir('types', pubsub);
-
-    const typeDefs = gql([
-        scalar.schemas,
-        'type Query {', query.schemas, '}', '',
-        'type Subscription {', subscription.schemas, '}', '',
-        type.schemas
-    ].join('\n'));
-
-    const resolvers = {
-        Query: query.resolvers,
-        Subscription: subscription.resolvers,
-    };
-
-    return {
-        dataSources,
-        resolvers,
-        typeDefs,
-    };
-}
-
-function readDir(dir, pubsub) {
-    let schemas = '';
-    const resolvers = {};
-
-    dir = path.resolve(__dirname, dir);
-
-    const filenames = fs.readdirSync(dir);
-
-    filenames.filter((file) => (file.slice(-4) === '.gql'))
-        .forEach((file) => {
-            const schema = fs.readFileSync(path.join(dir, file));
-
-            schemas += `${schema}\n`;
-        })
-
-    filenames.filter((file) => (file.indexOf('.') !== 0) && (file.slice(-3) === '.js'))
-        .map((file) => file.slice(0, -3))
-        .forEach((file) => {
-            const resolver = require(path.join(dir, file))({ pubsub });
-            const name = camelCase(file);
-
-            resolvers[name] = resolver;
-        });
-
-    return { resolvers, schemas };
-}
-
-module.exports = graphql;
diff --git a/server/graphql/queries/rdio-scanner-call.gql b/server/graphql/queries/rdio-scanner-call.gql
deleted file mode 100644
index 9070658..0000000
--- a/server/graphql/queries/rdio-scanner-call.gql
+++ /dev/null
@@ -1 +0,0 @@
-rdioScannerCall(id: String): RdioScannerCall
\ No newline at end of file
diff --git a/server/graphql/queries/rdio-scanner-call.js b/server/graphql/queries/rdio-scanner-call.js
deleted file mode 100644
index 986747a..0000000
--- a/server/graphql/queries/rdio-scanner-call.js
+++ /dev/null
@@ -1,7 +0,0 @@
-'use strict';
-
-module.exports = () => async (_, { id }, { dataSources }) => {
-    const rdioScannerCall = await dataSources.rdioScannerCall.getCall(id);
-
-    return rdioScannerCall;
-};
diff --git a/server/graphql/queries/rdio-scanner-calls.gql b/server/graphql/queries/rdio-scanner-calls.gql
deleted file mode 100644
index c613f18..0000000
--- a/server/graphql/queries/rdio-scanner-calls.gql
+++ /dev/null
@@ -1,8 +0,0 @@
-rdioScannerCalls(
-    date: Date
-    limit: Int
-    offset: Int
-    sort: Int
-    system: Int
-    talkgroup: Int
-): RdioScannerCallsQueryResponse
\ No newline at end of file
diff --git a/server/graphql/queries/rdio-scanner-calls.js b/server/graphql/queries/rdio-scanner-calls.js
deleted file mode 100644
index 2bb9531..0000000
--- a/server/graphql/queries/rdio-scanner-calls.js
+++ /dev/null
@@ -1,7 +0,0 @@
-'use strict';
-
-module.exports = () => async (_, { date, limit, offset, sort, system, talkgroup }, { dataSources }) => {
-    const { count, dateStart, dateStop, results } = await dataSources.rdioScannerCall.getCalls({ date, system, talkgroup }, { limit, offset, sort });
-
-    return { count, dateStart, dateStop, results };
-};
diff --git a/server/graphql/queries/rdio-scanner-config.gql b/server/graphql/queries/rdio-scanner-config.gql
deleted file mode 100644
index 110705e..0000000
--- a/server/graphql/queries/rdio-scanner-config.gql
+++ /dev/null
@@ -1 +0,0 @@
-rdioScannerConfig: RdioScannerConfig
\ No newline at end of file
diff --git a/server/graphql/queries/rdio-scanner-config.js b/server/graphql/queries/rdio-scanner-config.js
deleted file mode 100644
index 620e819..0000000
--- a/server/graphql/queries/rdio-scanner-config.js
+++ /dev/null
@@ -1,15 +0,0 @@
-'use strict';
-
-require('dotenv').config();
-
-module.exports = () => async () => {
-    let allowDownload = process.env.RDIO_ALLOW_DOWNLOAD || true;
-
-    allowDownload = `${allowDownload}`.toLowerCase() !== 'false';
-
-    let useGroup = process.env.RDIO_USE_GROUP || true;
-
-    useGroup = `${useGroup}`.toLowerCase() !== 'false';
-
-    return { allowDownload, useGroup };
-};
diff --git a/server/graphql/queries/rdio-scanner-systems.gql b/server/graphql/queries/rdio-scanner-systems.gql
deleted file mode 100644
index e2638ab..0000000
--- a/server/graphql/queries/rdio-scanner-systems.gql
+++ /dev/null
@@ -1 +0,0 @@
-rdioScannerSystems: [RdioScannerSystem]
\ No newline at end of file
diff --git a/server/graphql/queries/rdio-scanner-systems.js b/server/graphql/queries/rdio-scanner-systems.js
deleted file mode 100644
index 60c5d81..0000000
--- a/server/graphql/queries/rdio-scanner-systems.js
+++ /dev/null
@@ -1,5 +0,0 @@
-'use strict';
-
-module.exports = () => async (_, __, { dataSources }) => {
-    return await dataSources.rdioScannerSystem.getSystems();
-};
diff --git a/server/graphql/scalars/audio.gql b/server/graphql/scalars/audio.gql
deleted file mode 100644
index a5eddc6..0000000
--- a/server/graphql/scalars/audio.gql
+++ /dev/null
@@ -1 +0,0 @@
-scalar Audio
\ No newline at end of file
diff --git a/server/graphql/scalars/date.gql b/server/graphql/scalars/date.gql
deleted file mode 100644
index 7b0004e..0000000
--- a/server/graphql/scalars/date.gql
+++ /dev/null
@@ -1 +0,0 @@
-scalar Date
\ No newline at end of file
diff --git a/server/graphql/subscriptions/rdio-scanner-call.gql b/server/graphql/subscriptions/rdio-scanner-call.gql
deleted file mode 100644
index 94df0bd..0000000
--- a/server/graphql/subscriptions/rdio-scanner-call.gql
+++ /dev/null
@@ -1 +0,0 @@
-rdioScannerCall(selection: String): RdioScannerCall
diff --git a/server/graphql/subscriptions/rdio-scanner-call.js b/server/graphql/subscriptions/rdio-scanner-call.js
deleted file mode 100644
index 5a9bd12..0000000
--- a/server/graphql/subscriptions/rdio-scanner-call.js
+++ /dev/null
@@ -1,33 +0,0 @@
-'use strict';
-
-const { withFilter } = require('apollo-server-express');
-
-module.exports = ({ pubsub }) => ({
-    subscribe: withFilter(
-        () => pubsub.asyncIterator(['rdioScannerCall']),
-        (payload, variables) => {
-            if (variables.selection) {
-                if (payload.rdioScannerCall) {
-                    const call = payload.rdioScannerCall;
-
-                    let selection;
-
-                    try {
-                        selection = JSON.parse(variables.selection);
-
-                    } catch (err) {
-                        return false;
-                    }
-
-                    return selection[call.system][call.talkgroup];
-
-                } else {
-                    return false;
-                }
-
-            } else {
-                return true;
-            }
-        },
-    ),
-});
diff --git a/server/graphql/subscriptions/rdio-scanner-systems.gql b/server/graphql/subscriptions/rdio-scanner-systems.gql
deleted file mode 100644
index e2638ab..0000000
--- a/server/graphql/subscriptions/rdio-scanner-systems.gql
+++ /dev/null
@@ -1 +0,0 @@
-rdioScannerSystems: [RdioScannerSystem]
\ No newline at end of file
diff --git a/server/graphql/subscriptions/rdio-scanner-systems.js b/server/graphql/subscriptions/rdio-scanner-systems.js
deleted file mode 100644
index 59bdd83..0000000
--- a/server/graphql/subscriptions/rdio-scanner-systems.js
+++ /dev/null
@@ -1,5 +0,0 @@
-'use strict';
-
-module.exports = ({ pubsub }) => ({
-    subscribe: () => pubsub.asyncIterator(['rdioScannerSystems']),
-});
diff --git a/server/graphql/types/rdio-scanner-alias.gql b/server/graphql/types/rdio-scanner-alias.gql
deleted file mode 100644
index cb0aff7..0000000
--- a/server/graphql/types/rdio-scanner-alias.gql
+++ /dev/null
@@ -1,4 +0,0 @@
-type RdioScannerAlias {
-    name: String
-    uid: Int
-}
diff --git a/server/graphql/types/rdio-scanner-call-freq.gql b/server/graphql/types/rdio-scanner-call-freq.gql
deleted file mode 100644
index c913c79..0000000
--- a/server/graphql/types/rdio-scanner-call-freq.gql
+++ /dev/null
@@ -1,7 +0,0 @@
-type RdioScannerCallFreq {
-    errorCount: Int
-    freq: Int
-    len: Int
-    pos: Float
-    spikeCount: Int
-}
diff --git a/server/graphql/types/rdio-scanner-call-src.gql b/server/graphql/types/rdio-scanner-call-src.gql
deleted file mode 100644
index ffb1be5..0000000
--- a/server/graphql/types/rdio-scanner-call-src.gql
+++ /dev/null
@@ -1,4 +0,0 @@
-type RdioScannerCallSrc {
-    pos: Float
-    src: Int
-}
diff --git a/server/graphql/types/rdio-scanner-call.gql b/server/graphql/types/rdio-scanner-call.gql
deleted file mode 100644
index fe1d8e2..0000000
--- a/server/graphql/types/rdio-scanner-call.gql
+++ /dev/null
@@ -1,14 +0,0 @@
-type RdioScannerCall {
-    id: String
-    audio: Audio
-    audioName: String
-    audioType: String
-    emergency: Boolean
-    freq: Int
-    freqList: [RdioScannerCallFreq]
-    startTime: Date
-    stopTime: Date
-    srcList: [RdioScannerCallSrc]
-    system: Int
-    talkgroup: Int
-}
diff --git a/server/graphql/types/rdio-scanner-calls-query-response.gql b/server/graphql/types/rdio-scanner-calls-query-response.gql
deleted file mode 100644
index 13822e6..0000000
--- a/server/graphql/types/rdio-scanner-calls-query-response.gql
+++ /dev/null
@@ -1,6 +0,0 @@
-type RdioScannerCallsQueryResponse {
-    count: Int
-    dateStart: Date
-    dateStop: Date
-    results: [RdioScannerCall]
-}
diff --git a/server/graphql/types/rdio-scanner-config.gql b/server/graphql/types/rdio-scanner-config.gql
deleted file mode 100644
index 842f936..0000000
--- a/server/graphql/types/rdio-scanner-config.gql
+++ /dev/null
@@ -1,4 +0,0 @@
-type RdioScannerConfig {
-    allowDownload: Boolean
-    useGroup: Boolean
-}
diff --git a/server/graphql/types/rdio-scanner-system.gql b/server/graphql/types/rdio-scanner-system.gql
deleted file mode 100644
index 72620f9..0000000
--- a/server/graphql/types/rdio-scanner-system.gql
+++ /dev/null
@@ -1,7 +0,0 @@
-type RdioScannerSystem {
-    aliases: [RdioScannerAlias]
-    id: String
-    name: String
-    system: Int
-    talkgroups: [RdioScannerTalkgroup]
-}
diff --git a/server/graphql/types/rdio-scanner-talkgroup.gql b/server/graphql/types/rdio-scanner-talkgroup.gql
deleted file mode 100644
index ce82ebf..0000000
--- a/server/graphql/types/rdio-scanner-talkgroup.gql
+++ /dev/null
@@ -1,8 +0,0 @@
-type RdioScannerTalkgroup {
-    alphaTag: String
-    dec: Int
-    description: String
-    group: String
-    mode: String
-    tag: String
-}
diff --git a/server/helpers/rdio-scanner.js b/server/helpers/rdio-scanner.js
deleted file mode 100644
index 9462f9f..0000000
--- a/server/helpers/rdio-scanner.js
+++ /dev/null
@@ -1,121 +0,0 @@
-'use strict';
-
-function callReducer(call) {
-    if (Array.isArray(call)) {
-        return call.map((c) => callReducer(c));
-
-    } else {
-        try {
-            call.freqList = JSON.parse(call.freqList);
-        } catch (err) {
-            call.freqList = [];
-        }
-
-        try {
-            call.srcList = JSON.parse(call.srcList);
-        } catch (err) {
-            call.srcList = [];
-        }
-
-        return call;
-    }
-}
-
-function getApiKeys() {
-    let apiKeys = ['b29eb8b9-9bcd-4e6e-bb4f-d244ada12736'];
-
-    if (process.env.RDIO_APIKEYS) {
-        try {
-            apiKeys = JSON.parse(process.env.RDIO_APIKEYS);
-        } catch (err) {
-            console.log('ERROR: Invalid JSON format in RDIO_APIKEYS.');
-        }
-    }
-
-    return apiKeys;
-}
-
-function pruningScheduler({ store }) {
-    let pruneDays = parseInt(process.env.RDIO_PRUNEDAYS, 10);
-
-    pruneDays = isNaN(pruneDays) ? 7 : pruneDays;
-
-    if (store === null || typeof store !== 'object' || pruneDays < 1) {
-        return null;
-    }
-
-    const Op = store.Sequelize && store.Sequelize.Op || {};
-
-    return setInterval(() => {
-        const now = new Date();
-
-        store.rdioScannerCall.destroy({
-            where: {
-                startTime: {
-                    [Op.lt]: new Date(now.getFullYear(), now.getMonth(), now.getDate() - pruneDays),
-                },
-            },
-        });
-    }, 15 * 60 * 1000);
-}
-
-function systemReducer(system) {
-    if (Array.isArray(system)) {
-        return system.map((s) => systemReducer(s));
-
-    } else {
-        try {
-            system.aliases = JSON.parse(system.aliases);
-        } catch (err) {
-            system.aliases = [];
-        }
-
-        try {
-            system.talkgroups = JSON.parse(system.talkgroups);
-        } catch (err) {
-            system.talkgroups = [];
-        }
-
-        return system;
-    }
-}
-
-function validateApiKey(key, system, talkgroup) {
-    const apiKeys = getApiKeys();
-
-    if (typeof apiKeys === 'string') {
-        return apiKeys === key;
-    }
-
-    if (Array.isArray(apiKeys)) {
-        return apiKeys.some((apiKey) => {
-            if (typeof apiKey === 'string') {
-                return apiKey === key;
-            }
-
-            if (apiKey !== null && typeof apiKey === 'object') {
-                return apiKey.key === key && Array.isArray(apiKey.systems) && apiKey.systems.some((sys) => {
-                    if (typeof sys === 'number') {
-                        return sys === system;
-                    }
-
-                    if (sys !== null && typeof sys === 'object') {
-                        if (typeof talkgroup === 'undefined') {
-                            return sys.system === +system;
-                        }
-
-                        return sys.system === +system && Array.isArray(sys.talkgroups) && sys.talkgroups.includes(+talkgroup);
-                    }
-
-                    return false;
-                });
-            }
-
-            return false;
-        });
-    } else {
-        return false;
-    }
-}
-
-module.exports = { callReducer, pruningScheduler, systemReducer, validateApiKey };
diff --git a/server/index.js b/server/index.js
index 970b913..819fa69 100644
--- a/server/index.js
+++ b/server/index.js
@@ -2,72 +2,49 @@
 
 require('dotenv').config();
 
-const { ApolloServer, PubSub } = require('apollo-server-express');
 const cors = require('cors');
 const express = require('express');
+const fs = require('fs');
 const helmet = require('helmet');
 const http = require('http');
 const path = require('path');
 
+const RdioScanner = require('./lib/rdio-scanner');
+
 const env = process.env.NODE_ENV || 'development';
 const host = process.env.NODE_HOST || '0.0.0.0';
+const staticDir = path.resolve(process.env.APP_CLIENT_DIR || '../client/dist');
+const staticFile = process.env.APP_CLIENT_FILE || 'main.html';
 const port = parseInt(process.env.NODE_PORT, 10) || 3000;
 
-const store = require('./models');
+class App {
+    constructor() {
+        this.router = express();
+        this.router.use(express.json());
+        this.router.use(express.urlencoded({ extended: false }));
+        this.router.use(express.static(staticDir));
+        this.router.set(port);
 
-const pubsub = new PubSub();
+        if (env !== 'development') {
+            this.router.disable('x-powered-by');
 
-const { dataSources, resolvers, typeDefs } = require('./graphql')({ pubsub, store });
+            this.router.get(/\/|\/index.html/, cors(), (req, res) => {
+                if (fs.existsSync(path.join(staticDir, staticFile))) {
+                    return res.sendFile(staticFile, { root: staticDir });
 
-const context = async ({ connection, req }) => {
-    if (connection) {
-        return connection.context;
+                } else {
+                    return res.send('A new build is being prepared. Please check back in a few minutes.');
+                }
+            });
 
-    } else {
-        return {
-            token: req.headers.authorization || '',
-        };
+            this.router.use(helmet());
+        }
+
+        this.httpServer = http.createServer(this.router);
+        this.httpServer.listen(port, host, () => console.log(`Server is running at http://${host}:${port}/`));
+
+        this.rdioScanner = new RdioScanner(this.httpServer, this.router);
     }
 }
 
-const app = express();
-
-const httpServer = http.createServer(app);
-
-const apolloServer = new ApolloServer({
-    context,
-    dataSources,
-    resolvers,
-    typeDefs,
-});
-
-const { pruningScheduler } = require('./helpers/rdio-scanner');
-
-const clientRoot = path.join(__dirname, '../client/dist');
-
-pruningScheduler({ store });
-
-app.use(express.json());
-app.use(express.urlencoded({ extended: false }));
-app.use(express.static(clientRoot));
-
-app.post('/api/trunk-recorder-alias-upload', require('./routes/trunk-recorder-alias-upload')({ pubsub, store }));
-app.post('/api/trunk-recorder-call-upload', require('./routes/trunk-recorder-call-upload')({ pubsub, store }));
-app.post('/api/trunk-recorder-system-upload', require('./routes/trunk-recorder-system-upload')({ pubsub, store }));
-
-app.set('port', port);
-
-if (env !== 'development') {
-    app.disable('x-powered-by');
-
-    app.get(/\/|\/index.html/, cors(), require('./routes/main')({ clientRoot }));
-
-    app.use(helmet());
-}
-
-apolloServer.applyMiddleware({ app, cors: true });
-apolloServer.installSubscriptionHandlers(httpServer);
-
-httpServer.listen(port, host, () => console.log(`Rdio Scanner is running at http://${host}:${port}/`));
-
-module.exports = app;
+module.exports = new App();
diff --git a/server/lib/rdio-scanner/graphql/datasources/get-call.js b/server/lib/rdio-scanner/graphql/datasources/get-call.js
new file mode 100644
index 0000000..6144295
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/datasources/get-call.js
@@ -0,0 +1,11 @@
+'use strict';
+
+function getCall(models) {
+    return async (id) => {
+        const result = await models.rdioScannerCall.findByPk(id);
+
+        return result.dataValues;
+    };
+}
+
+module.exports = getCall;
diff --git a/server/lib/rdio-scanner/graphql/datasources/get-calls.js b/server/lib/rdio-scanner/graphql/datasources/get-calls.js
new file mode 100644
index 0000000..129dc1f
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/datasources/get-calls.js
@@ -0,0 +1,51 @@
+'use strict';
+
+const { Op } = require('sequelize');
+
+function getCalls(models) {
+    return async ({ date, system, talkgroup }, { limit, offset, sort }) => {
+        const attributes = {
+            exclude: ['audio', 'freqList', 'srcList'],
+        };
+
+        const order = [['startTime', typeof sort === 'number' && sort < 0 ? 'DESC' : 'ASC']];
+
+        const where = {};
+
+        if (typeof system === 'number') {
+            where.system = system;
+        }
+
+        if (typeof talkgroup === 'number') {
+            where.talkgroup = talkgroup;
+        }
+
+        const dateStartQuery = await models.rdioScannerCall.findOne({ order: [['startTime', 'ASC']], where });
+
+        const dateStart = dateStartQuery && dateStartQuery.get('startTime');
+
+        const dateStopQuery = await models.rdioScannerCall.findOne({ order: [['startTime', 'DESC']], where });
+
+        const dateStop = dateStopQuery && dateStopQuery.get('startTime');
+
+        if (typeof date === 'string') {
+            const d = new Date(date);
+
+            where.startTime = {
+                [Op.gte]: new Date(d.getFullYear(), d.getMonth(), d.getDate(), 0, 0, 0),
+                [Op.lte]: new Date(d.getFullYear(), d.getMonth(), d.getDate(), 23, 59, 59),
+            };
+        }
+
+        const count = await models.rdioScannerCall.count({ where });
+
+        limit = typeof limit === 'number' ? limit : 100;
+        offset = typeof offset === 'number' ? offset : 0;
+
+        const results = await models.rdioScannerCall.findAll({ attributes, limit, offset, order, where });
+
+        return { count, dateStart, dateStop, results };
+    };
+}
+
+module.exports = getCalls;
\ No newline at end of file
diff --git a/server/lib/rdio-scanner/graphql/datasources/get-systems.js b/server/lib/rdio-scanner/graphql/datasources/get-systems.js
new file mode 100644
index 0000000..a2497c1
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/datasources/get-systems.js
@@ -0,0 +1,11 @@
+'use strict';
+
+function getSystems(models) {
+    return async () => {
+        const systems = await models.rdioScannerSystem.findAll();
+
+        return systems;
+    };
+}
+
+module.exports = getSystems;
diff --git a/server/lib/rdio-scanner/graphql/datasources/index.js b/server/lib/rdio-scanner/graphql/datasources/index.js
new file mode 100644
index 0000000..844aeb1
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/datasources/index.js
@@ -0,0 +1,25 @@
+'use strict';
+
+const { DataSource } = require('apollo-datasource');
+
+const getCall = require('./get-call');
+const getCalls = require('./get-calls');
+const getSystems = require('./get-systems');
+
+class DataSources extends DataSource {
+    constructor(models) {
+        super();
+
+        this.rdioScanner = {
+            getCall: getCall(models),
+            getCalls: getCalls(models),
+            getSystems: getSystems(models),
+        };
+    }
+
+    initialize(config) {
+        this.context = config.context;
+    }
+}
+
+module.exports = DataSources;
diff --git a/server/lib/rdio-scanner/graphql/index.js b/server/lib/rdio-scanner/graphql/index.js
new file mode 100644
index 0000000..393fb75
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/index.js
@@ -0,0 +1,66 @@
+'use strict';
+
+const { ApolloServer, gql } = require('apollo-server-express');
+
+const DataSources = require('./datasources');
+const Queries = require('./queries');
+const Scalars = require('./scalars');
+const Subscriptions = require('./subscriptions');
+const Types = require('./types');
+
+class GraphQL {
+    static get DataSources() {
+        return DataSources;
+    }
+
+    static get Queries() {
+        return Queries;
+    }
+
+    static get Scalars() {
+        return Scalars;
+    }
+
+    static get Subscriptions() {
+        return Subscriptions;
+    }
+
+    static get Types() {
+        return Types;
+    }
+
+    constructor(models, pubsub) {
+        const dataSources = () => new DataSources(models);
+
+        const queries = new Queries(models);
+
+        const scalars = new Scalars(models);
+
+        const subscriptions = new Subscriptions(pubsub);
+
+        const types = new Types(models);
+
+        const typeDefs = gql`
+            ${scalars.schemas}
+
+            ${types.schemas}
+
+            type Query {
+                ${queries.schemas}
+            }
+
+            type Subscription {
+                ${subscriptions.schemas}
+            }
+        `;
+
+        const resolvers = Object.assign({},
+            { Query: queries.resolvers },
+            { Subscription: subscriptions.resolvers },
+        );
+
+        return new ApolloServer({ dataSources, resolvers, typeDefs });
+    }
+}
+
+module.exports = GraphQL;
diff --git a/server/lib/rdio-scanner/graphql/queries/call.js b/server/lib/rdio-scanner/graphql/queries/call.js
new file mode 100644
index 0000000..d8029c5
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/queries/call.js
@@ -0,0 +1,17 @@
+'use strict';
+
+const schema = `
+    rdioScannerCall(id: String): RdioScannerCall
+`;
+
+function resolver() {
+    return {
+        async rdioScannerCall(_, { id }, { dataSources }) {
+            const rdioScannerCall = await dataSources.rdioScanner.getCall(id);
+
+            return rdioScannerCall;
+        },
+    };
+}
+
+module.exports = { resolver, schema };
diff --git a/server/lib/rdio-scanner/graphql/queries/calls.js b/server/lib/rdio-scanner/graphql/queries/calls.js
new file mode 100644
index 0000000..19b08a6
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/queries/calls.js
@@ -0,0 +1,24 @@
+'use strict';
+
+const schema = `
+    rdioScannerCalls(
+        date: RdioScannerDate
+        limit: Int
+        offset: Int
+        sort: Int
+        system: Int
+        talkgroup: Int
+    ): RdioScannerCallsQueryResponse
+`;
+
+function resolver() {
+    return {
+        async rdioScannerCalls(_, { date, limit, offset, sort, system, talkgroup }, { dataSources }) {
+            const { count, dateStart, dateStop, results } = await dataSources.rdioScanner.getCalls({ date, system, talkgroup }, { limit, offset, sort });
+
+            return { count, dateStart, dateStop, results };
+        },
+    };
+}
+
+module.exports = { resolver, schema };
diff --git a/server/lib/rdio-scanner/graphql/queries/config.js b/server/lib/rdio-scanner/graphql/queries/config.js
new file mode 100644
index 0000000..d81b009
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/queries/config.js
@@ -0,0 +1,23 @@
+'use strict';
+
+const schema = `
+    rdioScannerConfig: RdioScannerConfig
+`;
+
+function resolver() {
+    return {
+        async rdioScannerConfig() {
+            let allowDownload = process.env.RDIO_ALLOW_DOWNLOAD || true;
+
+            allowDownload = `${allowDownload}`.toLowerCase() !== 'false';
+
+            let useGroup = process.env.RDIO_USE_GROUP || true;
+
+            useGroup = `${useGroup}`.toLowerCase() !== 'false';
+
+            return { allowDownload, useGroup };
+        },
+    };
+}
+
+module.exports = { resolver, schema };
diff --git a/server/lib/rdio-scanner/graphql/queries/index.js b/server/lib/rdio-scanner/graphql/queries/index.js
new file mode 100644
index 0000000..a50d499
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/queries/index.js
@@ -0,0 +1,26 @@
+'use strict';
+
+const call = require('./call');
+const calls = require('./calls');
+const config = require('./config');
+const systems = require('./systems');
+
+class Queries {
+    constructor(models) {
+        this.schemas = `
+            ${call.schema}
+            ${calls.schema}
+            ${config.schema}
+            ${systems.schema}
+        `;
+
+        this.resolvers = Object.assign({},
+            call.resolver(models),
+            calls.resolver(models),
+            config.resolver(models),
+            systems.resolver(models),
+        );
+    }
+}
+
+module.exports = Queries;
diff --git a/server/lib/rdio-scanner/graphql/queries/systems.js b/server/lib/rdio-scanner/graphql/queries/systems.js
new file mode 100644
index 0000000..f3da0f1
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/queries/systems.js
@@ -0,0 +1,15 @@
+'use strict';
+
+const schema = `
+    rdioScannerSystems: [RdioScannerSystem]
+`;
+
+function resolver() {
+    return {
+        async rdioScannerSystems(_, __, { dataSources }) {
+            return await dataSources.rdioScanner.getSystems();
+        },
+    };
+}
+
+module.exports = { resolver, schema };
diff --git a/server/lib/rdio-scanner/graphql/scalars/audio.js b/server/lib/rdio-scanner/graphql/scalars/audio.js
new file mode 100644
index 0000000..6a34d70
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/scalars/audio.js
@@ -0,0 +1,7 @@
+'use strict';
+
+const schema = `
+    scalar RdioScannerAudio
+`;
+
+module.exports = { schema };
diff --git a/server/lib/rdio-scanner/graphql/scalars/date.js b/server/lib/rdio-scanner/graphql/scalars/date.js
new file mode 100644
index 0000000..cecd4d3
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/scalars/date.js
@@ -0,0 +1,7 @@
+'use strict';
+
+const schema = `
+    scalar RdioScannerDate
+`;
+
+module.exports = { schema };
diff --git a/server/lib/rdio-scanner/graphql/scalars/index.js b/server/lib/rdio-scanner/graphql/scalars/index.js
new file mode 100644
index 0000000..08c98e7
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/scalars/index.js
@@ -0,0 +1,15 @@
+'use strict';
+
+const audio = require('./audio');
+const date = require('./date');
+
+class Scalars {
+    constructor() {
+        this.schemas = `
+            ${audio.schema}
+            ${date.schema}
+        `;
+    }
+}
+
+module.exports = Scalars;
diff --git a/server/lib/rdio-scanner/graphql/subscriptions/call.js b/server/lib/rdio-scanner/graphql/subscriptions/call.js
new file mode 100644
index 0000000..e40e3b9
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/subscriptions/call.js
@@ -0,0 +1,43 @@
+'use strict';
+
+const { withFilter } = require('apollo-server-express');
+
+const schema = `
+    rdioScannerCall(selection: String): RdioScannerCall
+`;
+
+function resolver(pubsub) {
+    return {
+        rdioScannerCall: {
+            subscribe: withFilter(
+                () => pubsub.asyncIterator(['rdioScannerCall']),
+                (payload, variables) => {
+                    if (variables.selection) {
+                        if (payload.rdioScannerCall) {
+                            const call = payload.rdioScannerCall;
+
+                            let selection;
+
+                            try {
+                                selection = JSON.parse(variables.selection);
+
+                            } catch (err) {
+                                return false;
+                            }
+
+                            return selection[call.system][call.talkgroup];
+
+                        } else {
+                            return false;
+                        }
+
+                    } else {
+                        return true;
+                    }
+                },
+            ),
+        },
+    };
+}
+
+module.exports = { resolver, schema };
diff --git a/server/lib/rdio-scanner/graphql/subscriptions/index.js b/server/lib/rdio-scanner/graphql/subscriptions/index.js
new file mode 100644
index 0000000..e672e4a
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/subscriptions/index.js
@@ -0,0 +1,20 @@
+'use strict';
+
+const call = require('./call');
+const systems = require('./systems');
+
+class Subscriptions {
+    constructor(pubsub) {
+        this.schemas = `
+            ${call.schema}
+            ${systems.schema}
+        `;
+
+        this.resolvers = Object.assign({},
+            call.resolver(pubsub),
+            systems.resolver(pubsub),
+        );
+    }
+}
+
+module.exports = Subscriptions;
diff --git a/server/lib/rdio-scanner/graphql/subscriptions/systems.js b/server/lib/rdio-scanner/graphql/subscriptions/systems.js
new file mode 100644
index 0000000..1cd5995
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/subscriptions/systems.js
@@ -0,0 +1,15 @@
+'use strict';
+
+const schema = `
+    rdioScannerSystems: [RdioScannerSystem]
+`;
+
+function resolver(pubsub) {
+    return {
+        rdioScannerSystems: {
+            subscribe: () => pubsub.asyncIterator(['rdioScannerSystems']),
+        },
+    };
+}
+
+module.exports = { resolver, schema };
diff --git a/server/lib/rdio-scanner/graphql/types/alias.js b/server/lib/rdio-scanner/graphql/types/alias.js
new file mode 100644
index 0000000..ed05b75
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/types/alias.js
@@ -0,0 +1,10 @@
+'use strict';
+
+const schema = `
+    type RdioScannerAlias {
+        name: String
+        uid: Int
+    }
+`;
+
+module.exports = { schema };
diff --git a/server/lib/rdio-scanner/graphql/types/call-freq.js b/server/lib/rdio-scanner/graphql/types/call-freq.js
new file mode 100644
index 0000000..2945eb8
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/types/call-freq.js
@@ -0,0 +1,13 @@
+'use strict';
+
+const schema = `
+    type RdioScannerCallFreq {
+        errorCount: Int
+        freq: Int
+        len: Int
+        pos: Float
+        spikeCount: Int
+    }
+`;
+
+module.exports = { schema };
diff --git a/server/lib/rdio-scanner/graphql/types/call-query-response.js b/server/lib/rdio-scanner/graphql/types/call-query-response.js
new file mode 100644
index 0000000..821e49d
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/types/call-query-response.js
@@ -0,0 +1,12 @@
+'use strict';
+
+const schema = `
+    type RdioScannerCallsQueryResponse {
+        count: Int
+        dateStart: RdioScannerDate
+        dateStop: RdioScannerDate
+        results: [RdioScannerCall]
+    }
+`;
+
+module.exports = { schema };
diff --git a/server/lib/rdio-scanner/graphql/types/call-src.js b/server/lib/rdio-scanner/graphql/types/call-src.js
new file mode 100644
index 0000000..cfe7ba6
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/types/call-src.js
@@ -0,0 +1,10 @@
+'use strict';
+
+const schema = `
+    type RdioScannerCallSrc {
+        pos: Float
+        src: Int
+    }
+`;
+
+module.exports = { schema };
diff --git a/server/lib/rdio-scanner/graphql/types/call.js b/server/lib/rdio-scanner/graphql/types/call.js
new file mode 100644
index 0000000..f96f6eb
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/types/call.js
@@ -0,0 +1,20 @@
+'use strict';
+
+const schema = `
+    type RdioScannerCall {
+        id: String
+        audio: RdioScannerAudio
+        audioName: String
+        audioType: String
+        emergency: Boolean
+        freq: Int
+        freqList: [RdioScannerCallFreq]
+        startTime: RdioScannerDate
+        stopTime: RdioScannerDate
+        srcList: [RdioScannerCallSrc]
+        system: Int
+        talkgroup: Int
+    }
+`;
+
+module.exports = { schema };
diff --git a/server/lib/rdio-scanner/graphql/types/config.js b/server/lib/rdio-scanner/graphql/types/config.js
new file mode 100644
index 0000000..55cb795
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/types/config.js
@@ -0,0 +1,10 @@
+'use strict';
+
+const schema = `
+    type RdioScannerConfig {
+        allowDownload: Boolean
+        useGroup: Boolean
+    }
+`;
+
+module.exports = { schema };
diff --git a/server/lib/rdio-scanner/graphql/types/index.js b/server/lib/rdio-scanner/graphql/types/index.js
new file mode 100644
index 0000000..00b4c17
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/types/index.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const alias = require('./alias');
+const callFreq = require('./call-freq');
+const callQueryResponse = require('./call-query-response');
+const callSrc = require('./call-src');
+const call = require('./call');
+const config = require('./config');
+const system = require('./system');
+const talkgroup = require('./talkgroup');
+
+class Types {
+    constructor() {
+        this.schemas = `
+            ${alias.schema}
+            ${callFreq.schema}
+            ${callQueryResponse.schema}
+            ${callSrc.schema}
+            ${call.schema}
+            ${config.schema}
+            ${system.schema}
+            ${talkgroup.schema}
+        `;
+    }
+}
+
+module.exports = Types;
diff --git a/server/lib/rdio-scanner/graphql/types/system.js b/server/lib/rdio-scanner/graphql/types/system.js
new file mode 100644
index 0000000..60f2bd5
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/types/system.js
@@ -0,0 +1,13 @@
+'use strict';
+
+const schema = `
+    type RdioScannerSystem {
+        aliases: [RdioScannerAlias]
+        id: String
+        name: String
+        system: Int
+        talkgroups: [RdioScannerTalkgroup]
+    }
+`;
+
+module.exports = { schema };
diff --git a/server/lib/rdio-scanner/graphql/types/talkgroup.js b/server/lib/rdio-scanner/graphql/types/talkgroup.js
new file mode 100644
index 0000000..fc48068
--- /dev/null
+++ b/server/lib/rdio-scanner/graphql/types/talkgroup.js
@@ -0,0 +1,14 @@
+'use strict';
+
+const schema = `
+    type RdioScannerTalkgroup {
+        alphaTag: String
+        dec: Int
+        description: String
+        group: String
+        mode: String
+        tag: String
+    }
+`;
+
+module.exports = { schema };
diff --git a/server/lib/rdio-scanner/helpers/get-api-key.js b/server/lib/rdio-scanner/helpers/get-api-key.js
new file mode 100644
index 0000000..bef76c2
--- /dev/null
+++ b/server/lib/rdio-scanner/helpers/get-api-key.js
@@ -0,0 +1,17 @@
+'use strict';
+
+function getApiKeys() {
+    let apiKeys = ['b29eb8b9-9bcd-4e6e-bb4f-d244ada12736'];
+
+    if (process.env.RDIO_APIKEYS) {
+        try {
+            apiKeys = JSON.parse(process.env.RDIO_APIKEYS);
+        } catch (err) {
+            console.log('ERROR: Invalid JSON format in RDIO_APIKEYS.');
+        }
+    }
+
+    return apiKeys;
+}
+
+module.exports = getApiKeys;
diff --git a/server/lib/rdio-scanner/helpers/parse-date.js b/server/lib/rdio-scanner/helpers/parse-date.js
new file mode 100644
index 0000000..69683d3
--- /dev/null
+++ b/server/lib/rdio-scanner/helpers/parse-date.js
@@ -0,0 +1,15 @@
+'use strict';
+
+function parseDate(value) {
+    if (value instanceof Date) {
+        return value;
+    } else if (typeof value === 'number') {
+        const date = new Date(1970, 0, 1);
+        date.setUTCSeconds(value - date.getTimezoneOffset() * 60);
+        return date;
+    } else {
+        return new Date(value);
+    }
+}
+
+module.exports = parseDate;
diff --git a/server/lib/rdio-scanner/helpers/prune-scheduler.js b/server/lib/rdio-scanner/helpers/prune-scheduler.js
new file mode 100644
index 0000000..14fef08
--- /dev/null
+++ b/server/lib/rdio-scanner/helpers/prune-scheduler.js
@@ -0,0 +1,27 @@
+'use strict';
+
+const PRUNE_DAYS = parseInt(process.env.RDIO_PRUNEDAYS, 10);
+
+function pruneScheduler(models) {
+    const pruneDays = isNaN(PRUNE_DAYS) ? 7 : PRUNE_DAYS;
+
+    if (models === null || typeof models !== 'object' || pruneDays < 1) {
+        return null;
+    }
+
+    const Op = (models.Sequelize && models.Sequelize.Op) || {};
+
+    return setInterval(() => {
+        const now = new Date();
+
+        models.rdioScannerCall.destroy({
+            where: {
+                startTime: {
+                    [Op.lt]: new Date(now.getFullYear(), now.getMonth(), now.getDate() - pruneDays),
+                },
+            },
+        });
+    }, 15 * 60 * 1000);
+}
+
+module.exports = pruneScheduler;
diff --git a/server/lib/rdio-scanner/helpers/pubsub.js b/server/lib/rdio-scanner/helpers/pubsub.js
new file mode 100644
index 0000000..710b576
--- /dev/null
+++ b/server/lib/rdio-scanner/helpers/pubsub.js
@@ -0,0 +1,54 @@
+const EventEmitter = require('events');
+const { PubSubEngine } = require('apollo-server-express');
+
+class PubSub extends PubSubEngine {
+    constructor() {
+        super();
+
+        this.eventEmitter = new EventEmitter();
+
+        this.subscriptions = {};
+
+        this.subIdCounter = 0;
+    }
+
+    async publish(triggerName, payload) {
+        this.eventEmitter.emit(triggerName, payload);
+
+        return Promise.resolve();
+    }
+
+    async subscribe(triggerName, onMessage) {
+        this.eventEmitter.addListener(triggerName, onMessage);
+
+        this.subIdCounter = ++this.subIdCounter;
+
+        this.subscriptions[this.subIdCounter] = [triggerName, onMessage];
+
+        this.logLiveFeedListeners(triggerName);
+
+        return this.subIdCounter;
+    }
+
+    async unsubscribe(subId) {
+        const [triggerName, onMessage] = this.subscriptions[subId];
+
+        delete this.subscriptions[subId];
+
+        this.eventEmitter.removeListener(triggerName, onMessage);
+
+        this.logLiveFeedListeners(triggerName);
+    }
+
+    logLiveFeedListeners(triggerName) {
+        const livefeed = 'rdioScannerCall';
+
+        if (triggerName === livefeed) {
+            const count = Object.keys(this.subscriptions).reduce((c, k) => this.subscriptions[k][0] === livefeed ? ++c : c, 0);
+
+            console.log(`Live feed listeners: ${count}`);
+        }
+    }
+}
+
+module.exports = PubSub;
diff --git a/server/lib/rdio-scanner/helpers/validate-api-keys.js b/server/lib/rdio-scanner/helpers/validate-api-keys.js
new file mode 100644
index 0000000..a3f819f
--- /dev/null
+++ b/server/lib/rdio-scanner/helpers/validate-api-keys.js
@@ -0,0 +1,44 @@
+'use strict';
+
+const getApiKeys = require('./get-api-key');
+
+function validateApiKey(key, system, talkgroup) {
+    const apiKeys = getApiKeys();
+
+    if (typeof apiKeys === 'string') {
+        return apiKeys === key;
+    }
+
+    if (Array.isArray(apiKeys)) {
+        return apiKeys.some((apiKey) => {
+            if (typeof apiKey === 'string') {
+                return apiKey === key;
+            }
+
+            if (apiKey !== null && typeof apiKey === 'object') {
+                return apiKey.key === key && Array.isArray(apiKey.systems) && apiKey.systems.some((sys) => {
+                    if (typeof sys === 'number') {
+                        return sys === system;
+                    }
+
+                    if (sys !== null && typeof sys === 'object') {
+                        if (typeof talkgroup === 'undefined') {
+                            return sys.system === +system;
+                        }
+
+                        return sys.system === +system && Array.isArray(sys.talkgroups) && sys.talkgroups.includes(+talkgroup);
+                    }
+
+                    return false;
+                });
+            }
+
+            return false;
+        });
+
+    } else {
+        return false;
+    }
+}
+
+module.exports = validateApiKey;
diff --git a/server/lib/rdio-scanner/index.js b/server/lib/rdio-scanner/index.js
new file mode 100644
index 0000000..5c37b1b
--- /dev/null
+++ b/server/lib/rdio-scanner/index.js
@@ -0,0 +1,51 @@
+'use strict';
+
+const Sequelize = require('sequelize');
+
+const config = require('../../config');
+
+const pruneScheduler = require('./helpers/prune-scheduler');
+const PubSub = require('./helpers/pubsub');
+
+const GraphQL = require('./graphql');
+const Models = require('./models');
+const Routes = require('./routes');
+
+const env = process.env.NODE_ENV || 'development';
+
+class RdioScanner {
+    static get GraphQL() {
+        return GraphQL;
+    }
+
+    static get Models() {
+        return Models;
+    }
+
+    static get PubSub() {
+        return PubSub;
+    }
+
+    static get Routes() {
+        return Routes;
+    }
+
+    constructor(httpServer, router, pubsub) {
+        this.pubsub = pubsub || new PubSub();
+
+        this.sequelize = new Sequelize(config[env]);
+
+        this.models = new Models(this.sequelize);
+
+        this.graphQL = new GraphQL(this.models, this.pubsub);
+
+        this.graphQL.applyMiddleware({ app: router, cors: true });
+        this.graphQL.installSubscriptionHandlers(httpServer);
+
+        this.routes = new Routes(this.models, this.pubsub, router);
+
+        pruneScheduler(this.models);
+    }
+}
+
+module.exports = RdioScanner;
diff --git a/server/migrations/20191028144433-create-rdio-scanner-system.js b/server/lib/rdio-scanner/migrations/20191028144433-create-rdio-scanner-system.js
similarity index 97%
rename from server/migrations/20191028144433-create-rdio-scanner-system.js
rename to server/lib/rdio-scanner/migrations/20191028144433-create-rdio-scanner-system.js
index ca74cc0..3387c07 100644
--- a/server/migrations/20191028144433-create-rdio-scanner-system.js
+++ b/server/lib/rdio-scanner/migrations/20191028144433-create-rdio-scanner-system.js
@@ -14,24 +14,25 @@ module.exports = {
                     type: Sequelize.INTEGER,
                 },
                 createdAt: {
-                    allowNull: false,
                     type: Sequelize.DATE,
+                    allowNull: false,
                 },
                 updatedAt: {
-                    allowNull: false,
                     type: Sequelize.DATE,
+                    allowNull: false,
                 },
                 name: {
-                    allowNull: false,
                     type: Sequelize.STRING,
+                    allowNull: false,
                 },
                 system: {
-                    allowNull: false,
                     type: Sequelize.INTEGER,
+                    allowNull: false,
                 },
                 talkgroups: {
-                    allowNull: false,
                     type: Sequelize.JSON,
+                    defaultValue: [],
+                    allowNull: false,
                 }
             }, { transaction });
 
diff --git a/server/migrations/20191029092201-create-rdio-scanner-call.js b/server/lib/rdio-scanner/migrations/20191029092201-create-rdio-scanner-call.js
similarity index 100%
rename from server/migrations/20191029092201-create-rdio-scanner-call.js
rename to server/lib/rdio-scanner/migrations/20191029092201-create-rdio-scanner-call.js
index 1ae271c..6cf6de2 100644
--- a/server/migrations/20191029092201-create-rdio-scanner-call.js
+++ b/server/lib/rdio-scanner/migrations/20191029092201-create-rdio-scanner-call.js
@@ -8,54 +8,54 @@ module.exports = {
         try {
             await queryInterface.createTable('rdioScannerCalls', {
                 id: {
-                    allowNull: false,
+                    type: Sequelize.INTEGER,
                     autoIncrement: true,
                     primaryKey: true,
-                    type: Sequelize.INTEGER,
+                    allowNull: false,
                 },
                 createdAt: {
-                    allowNull: false,
                     type: Sequelize.DATE,
+                    allowNull: false,
                 },
                 updatedAt: {
-                    allowNull: false,
                     type: Sequelize.DATE,
+                    allowNull: false,
                 },
                 audio: {
-                    allowNull: false,
                     type: Sequelize.BLOB('long'),
+                    allowNull: false,
                 },
                 emergency: {
-                    allowNull: false,
                     type: Sequelize.BOOLEAN,
+                    allowNull: false,
                 },
                 freq: {
-                    allowNull: false,
                     type: Sequelize.INTEGER,
+                    allowNull: false,
                 },
                 freqList: {
-                    allowNull: false,
                     type: Sequelize.JSON,
+                    allowNull: false,
                 },
                 startTime: {
-                    allowNull: false,
                     type: Sequelize.DATE,
+                    allowNull: false,
                 },
                 stopTime: {
-                    allowNull: false,
                     type: Sequelize.DATE,
+                    allowNull: false,
                 },
                 srcList: {
-                    allowNull: false,
                     type: Sequelize.JSON,
+                    allowNull: false,
                 },
                 system: {
-                    allowNull: false,
                     type: Sequelize.INTEGER,
+                    allowNull: false,
                 },
                 talkgroup: {
-                    allowNull: false,
                     type: Sequelize.INTEGER,
+                    allowNull: false,
                 },
             }, { transaction });
 
diff --git a/server/migrations/20191126135515-optimize-rdio-scanner-calls.js b/server/lib/rdio-scanner/migrations/20191126135515-optimize-rdio-scanner-calls.js
similarity index 100%
rename from server/migrations/20191126135515-optimize-rdio-scanner-calls.js
rename to server/lib/rdio-scanner/migrations/20191126135515-optimize-rdio-scanner-calls.js
diff --git a/server/migrations/20200123094105-optimize-rdio-scanner-calls.js b/server/lib/rdio-scanner/migrations/20200123094105-optimize-rdio-scanner-calls.js
similarity index 100%
rename from server/migrations/20200123094105-optimize-rdio-scanner-calls.js
rename to server/lib/rdio-scanner/migrations/20200123094105-optimize-rdio-scanner-calls.js
diff --git a/server/lib/rdio-scanner/models/index.js b/server/lib/rdio-scanner/models/index.js
new file mode 100644
index 0000000..39fabae
--- /dev/null
+++ b/server/lib/rdio-scanner/models/index.js
@@ -0,0 +1,23 @@
+'use strict';
+
+const Sequelize = require('sequelize');
+
+const rdioScannerCallFactory = require('./rdio-scanner-call');
+const rdioScannerSystemFactory = require('./rdio-scanner-system');
+
+class Models {
+    constructor(sequelize) {
+        if (!(sequelize instanceof Sequelize)) {
+            throw new Error('sequelize must be an instance of Sequelize');
+        }
+
+        this.Sequelize = Sequelize;
+
+        this.sequelize = sequelize;
+
+        this.rdioScannerCall = rdioScannerCallFactory(sequelize);
+        this.rdioScannerSystem = rdioScannerSystemFactory(sequelize);
+    }
+}
+
+module.exports = Models;
diff --git a/server/lib/rdio-scanner/models/rdio-scanner-call.js b/server/lib/rdio-scanner/models/rdio-scanner-call.js
new file mode 100644
index 0000000..856fecf
--- /dev/null
+++ b/server/lib/rdio-scanner/models/rdio-scanner-call.js
@@ -0,0 +1,84 @@
+'use strict';
+
+const { DataTypes, Model } = require('sequelize');
+
+class RdioScannerCall extends Model { }
+
+function rdioScannerCallFactory(sequelize) {
+    RdioScannerCall.init({
+        audio: {
+            type: DataTypes.BLOB('long'),
+            allowNull: false,
+        },
+        emergency: {
+            type: DataTypes.BOOLEAN,
+            defaultValue: false,
+            allowNull: false,
+        },
+        freq: {
+            type: DataTypes.INTEGER,
+            allowNull: false,
+        },
+        freqList: {
+            type: DataTypes.JSON,
+            defaultValue: [],
+            allowNull: false,
+            get() {
+                let freqList = this.getDataValue('freqList');
+
+                if (typeof freqlist === 'string') {
+                    try {
+                        freqList = JSON.parse(freqList);
+
+                    } catch (error) {
+                        freqList = [];
+                    }
+                }
+
+                return freqList;
+            },
+        },
+        startTime: {
+            type: DataTypes.DATE,
+            allowNull: false,
+        },
+        stopTime: {
+            type: DataTypes.DATE,
+            allowNull: false,
+        },
+        srcList: {
+            type: DataTypes.JSON,
+            defaultValue: [],
+            allowNull: false,
+            get() {
+                let srclist = this.getDataValue('srcList');
+
+                if (typeof srclist === 'string') {
+                    try {
+                        srclist = JSON.parse(srclist);
+
+                    } catch (error) {
+                        srclist = [];
+                    }
+                }
+
+                return srclist;
+            },
+        },
+        system: {
+            type: DataTypes.INTEGER,
+            allowNull: false,
+        },
+        talkgroup: {
+            type: DataTypes.INTEGER,
+            allowNull: false,
+        },
+    }, {
+        modelName: 'rdioScannerCall',
+        sequelize,
+    });
+
+    return RdioScannerCall;
+}
+
+module.exports = rdioScannerCallFactory;
diff --git a/server/lib/rdio-scanner/models/rdio-scanner-system.js b/server/lib/rdio-scanner/models/rdio-scanner-system.js
new file mode 100644
index 0000000..8b2a8f8
--- /dev/null
+++ b/server/lib/rdio-scanner/models/rdio-scanner-system.js
@@ -0,0 +1,44 @@
+'use strict';
+
+const { DataTypes, Model } = require('sequelize');
+
+class RdioScannerSystem extends Model { }
+
+function rdioScannerSystemFactory(sequelize) {
+    RdioScannerSystem.init({
+        name: {
+            type: DataTypes.STRING,
+            allowNull: false,
+        },
+        system: {
+            type: DataTypes.INTEGER,
+            allowNull: false,
+        },
+        talkgroups: {
+            type: DataTypes.JSON,
+            defaultValue: [],
+            allowNull: false,
+            get() {
+                let talkgroups = this.getDataValue('talkgroups');
+
+                if (typeof talkgroups === 'string') {
+                    try {
+                        talkgroups = JSON.parse(talkgroups);
+
+                    } catch (error) {
+                        talkgroups = [];
+                    }
+                }
+
+                return talkgroups;
+            },
+        },
+    }, {
+        modelName: 'rdioScannerSystem',
+        sequelize,
+    });
+
+    return RdioScannerSystem;
+}
+
+module.exports = rdioScannerSystemFactory;
diff --git a/server/lib/rdio-scanner/routes/index.js b/server/lib/rdio-scanner/routes/index.js
new file mode 100644
index 0000000..157b4e3
--- /dev/null
+++ b/server/lib/rdio-scanner/routes/index.js
@@ -0,0 +1,16 @@
+'use strict';
+
+const TrunkRecorderCallUpload = require('./trunk-recorder-call-upload');
+const TrunkRecorderSystemUpload = require('./trunk-recorder-system-upload');
+
+class Routes {
+    constructor(models, pubsub, router) {
+        this.trunkRecorderCallUpload = new TrunkRecorderCallUpload(models, pubsub);
+        this.trunkRecorderSystemUpload = new TrunkRecorderSystemUpload(models, pubsub);
+
+        router.use(this.trunkRecorderCallUpload.path, this.trunkRecorderCallUpload.middleware);
+        router.use(this.trunkRecorderSystemUpload.path, this.trunkRecorderSystemUpload.middleware);
+    }
+}
+
+module.exports = Routes;
diff --git a/server/lib/rdio-scanner/routes/trunk-recorder-call-upload.js b/server/lib/rdio-scanner/routes/trunk-recorder-call-upload.js
new file mode 100644
index 0000000..af682c0
--- /dev/null
+++ b/server/lib/rdio-scanner/routes/trunk-recorder-call-upload.js
@@ -0,0 +1,94 @@
+'use strict';
+
+const multer = require('multer');
+
+const upload = multer({ storage: multer.memoryStorage() });
+
+const parseDate = require('../helpers/parse-date');
+const validateApiKey = require('../helpers/validate-api-keys');
+
+class TrunkRecorderCallUpload {
+    constructor(models, pubsub) {
+        return {
+            path: '/api/trunk-recorder-call-upload',
+
+            middleware: (req, res) => upload.fields([
+                { name: 'audio', maxCount: 1 },
+                { name: 'key', maxCount: 1 },
+                { name: 'meta', maxCount: 1 },
+                { name: 'system', maxCount: 1 },
+            ])(req, res, async (err) => {
+                if (err instanceof multer.MulterError) {
+                    res.send(`${err.message}: ${err.field}\n`);
+
+                } else if (err) {
+                    res.send(`${err.message}\n`);
+
+                } else {
+                    const key = req.body.key;
+
+                    let meta = req.files.meta[0].buffer.toString();
+
+                    try {
+                        meta = JSON.parse(meta);
+
+                    } catch (error) {
+                        meta = {};
+                    }
+
+                    if (Array.isArray(meta.freqList)) {
+                        meta.freqList = meta.freqList.map((f) => ({
+                            errorCount: f.error_count,
+                            freq: f.freq,
+                            len: f.len,
+                            pos: f.pos,
+                            spikeCount: f.spike_count,
+                        }));
+
+                    } else {
+                        meta.freqList = [];
+                    }
+
+                    if (Array.isArray(meta.srcList)) {
+                        meta.srcList = meta.srcList.map((s) => ({
+                            src: s.src,
+                            pos: s.pos,
+                        }));
+
+                    } else {
+                        meta.srcList = [];
+                    }
+
+                    const data = {
+                        audio: req.files.audio[0].buffer,
+                        emergency: !!meta.emergency,
+                        freq: parseInt(meta.freq, 10),
+                        freqList: Array.isArray(meta.freqList) ? meta.freqList : [],
+                        startTime: parseDate(meta.start_time),
+                        stopTime: parseDate(meta.stop_time),
+                        srcList: Array.isArray(meta.srcList) ? meta.srcList : [],
+                        system: parseInt(req.body.system, 10),
+                        talkgroup: parseInt(meta.talkgroup, 10),
+                    };
+
+                    if (!validateApiKey(key, data.system, data.talkgroup)) {
+                        return res.send(`Api key is invalid for system ${data.system} talkgroup ${data.talkgroup}.\n`);
+                    }
+
+                    try {
+                        const call = await models.rdioScannerCall.create(data);
+
+                        pubsub.publish('rdioScannerCall', { rdioScannerCall: call });
+
+                        res.send(`Call imported successfully.\n`);
+
+                    } catch (err) {
+                        res.send(err.message);
+                    }
+                }
+            }),
+        };
+    }
+}
+
+module.exports = TrunkRecorderCallUpload;
diff --git a/server/lib/rdio-scanner/routes/trunk-recorder-system-upload.js b/server/lib/rdio-scanner/routes/trunk-recorder-system-upload.js
new file mode 100644
index 0000000..589d35d
--- /dev/null
+++ b/server/lib/rdio-scanner/routes/trunk-recorder-system-upload.js
@@ -0,0 +1,103 @@
+'use script';
+
+const multer = require('multer');
+
+const upload = multer({ storage: multer.memoryStorage() });
+
+const validateApiKey = require('../helpers/validate-api-keys');
+
+class TrunkRecorderSystemUpload {
+    constructor(models, pubsub) {
+        return {
+            path: '/api/trunk-recorder-system-upload',
+
+            middleware: (req, res) => upload.fields([
+                { name: 'csv', maxCount: 1 },
+                { name: 'key', maxCount: 1 },
+                { name: 'name', maxCount: 1 },
+                { name: 'system', maxCount: 1 },
+            ])(req, res, async (err) => {
+                if (err instanceof multer.MulterError) {
+                    res.send(`${err.message}: ${err.field}\n`);
+
+                } else if (err) {
+                    res.send(`${err.message}\n`);
+
+                } else {
+                    const key = req.body.key;
+
+                    const system = {
+                        name: req.body.name,
+                        system: parseInt(req.body.system, 10),
+                        talkgroups: [],
+                    }
+
+                    if (!validateApiKey(key, system.system)) {
+                        return res.send(`Api key is invalid for system ${system.system}.\n`);
+                    }
+
+                    const csv = req.files.csv[0].buffer.toString()
+                        .split(/\n/)
+                        .filter((l) => l.length && !/^\s*#/.test(l));
+
+                    for (const line of csv) {
+                        const vals = line.split(',');
+
+                        const talkgroup = {
+                            alphaTag: vals[3],
+                            dec: parseInt(vals[0], 10),
+                            description: vals[4],
+                            group: vals[6],
+                            mode: vals[2],
+                            tag: vals[5],
+                        };
+
+                        if (validateApiKey(key, system.system, talkgroup.dec)) {
+                            system.talkgroups.push(talkgroup);
+                        }
+                    }
+
+                    const emit = async () => {
+                        const systems = await models.rdioScannerSystem.findAll();
+
+                        pubsub.publish('rdioScannerSystems', { rdioScannerSystems: systems });
+                    };
+
+                    if (system.talkgroups.length) {
+                        try {
+                            const rec = await models.rdioScannerSystem.findOne({ where: { system: system.system } });
+
+                            if (rec) {
+                                await rec.update(system);
+
+                            } else {
+                                await models.rdioScannerSystem.create(system);
+                            }
+
+                            await emit();
+
+                            res.send(`System ${system.name} imported successfully.\n`);
+
+                        } catch (err) {
+                            res.send(err.message);
+                        }
+
+                    } else {
+                        try {
+                            await models.rdioScannerSystem.destroy({ where: { system: system.system } })
+
+                            await emit();
+
+                            res.send(`System ${system.name} removed from configuration.\n`);
+
+                        } catch (err) {
+                            res.send(`Error while removing system ${system.name}.\n`);
+                        }
+                    }
+                }
+            }),
+        };
+    }
+}
+
+module.exports = TrunkRecorderSystemUpload;
diff --git a/server/migrations/20191220093214-new-v3-tables.js b/server/migrations/20191220093214-new-v3-tables.js
deleted file mode 100644
index fc4803e..0000000
--- a/server/migrations/20191220093214-new-v3-tables.js
+++ /dev/null
@@ -1,42 +0,0 @@
-'use strict';
-
-module.exports = {
-
-    up: async (queryInterface, Sequelize) => {
-        const transaction = await queryInterface.sequelize.transaction();
-
-        try {
-            await queryInterface.addColumn('rdioScannerCalls', 'audioName', Sequelize.STRING, { transaction });
-
-            await queryInterface.addColumn('rdioScannerCalls', 'audioType', Sequelize.STRING, { transaction });
-
-            await queryInterface.addColumn('rdioScannerSystems', 'aliases', Sequelize.JSON, { transaction });
-
-            await transaction.commit();
-
-        } catch (err) {
-            await transaction.rollback();
-
-            throw err;
-        }
-    },
-
-    down: async (queryInterface, Sequelize) => {
-        const transaction = queryInterface.sequelize.transaction();
-
-        try {
-            await transaction.commit();
-
-            await queryInterface.removeColumn('rdioScannerCalls', 'audioName', Sequelize.STRING, { transaction });
-
-            await queryInterface.removeColumn('rdioScannerCalls', 'audioType', Sequelize.STRING, { transaction });
-
-            await queryInterface.removeColumn('rdioScannerSystems', 'aliases', Sequelize.JSON, { transaction });
-
-        } catch (err) {
-            await transaction.rollback();
-
-            throw err;
-        }
-    },
-};
diff --git a/server/models/index.js b/server/models/index.js
deleted file mode 100644
index 12e14de..0000000
--- a/server/models/index.js
+++ /dev/null
@@ -1,35 +0,0 @@
-'use strict';
-
-const camelCase = require('camelcase');
-const fs = require('fs');
-const path = require('path');
-const Sequelize = require('sequelize');
-
-const basename = path.basename(__filename);
-
-const env = process.env.NODE_ENV || 'development';
-
-const config = require('../config/config.js')[env];
-
-const db = {};
-
-const sequelize = new Sequelize(config);
-
-fs.readdirSync(__dirname).filter(file => {
-    return (file.indexOf('.') !== 0) && (file !== basename) && (file.slice(-3) === '.js');
-}).forEach(file => {
-    const model = sequelize['import'](path.join(__dirname, file));
-    const modelName = camelCase(model.name);
-    db[modelName] = model;
-});
-
-Object.keys(db).forEach(modelName => {
-    if (db[modelName].associate) {
-        db[modelName].associate(db);
-    }
-});
-
-db.sequelize = sequelize;
-db.Sequelize = Sequelize;
-
-module.exports = db;
diff --git a/server/models/rdio-scanner-call.js b/server/models/rdio-scanner-call.js
deleted file mode 100644
index 86c309e..0000000
--- a/server/models/rdio-scanner-call.js
+++ /dev/null
@@ -1,17 +0,0 @@
-'use strict';
-
-module.exports = (sequelize, DataTypes) => {
-    return sequelize.define('rdioScannerCall', {
-        audio: DataTypes.BLOB('long'),
-        audioName: DataTypes.STRING,
-        audioType: DataTypes.STRING,
-        emergency: DataTypes.BOOLEAN,
-        freq: DataTypes.INTEGER,
-        freqList: DataTypes.JSON,
-        startTime: DataTypes.DATE,
-        stopTime: DataTypes.DATE,
-        srcList: DataTypes.JSON,
-        system: DataTypes.INTEGER,
-        talkgroup: DataTypes.INTEGER,
-    }, {});
-};
\ No newline at end of file
diff --git a/server/models/rdio-scanner-system.js b/server/models/rdio-scanner-system.js
deleted file mode 100644
index 252c4a2..0000000
--- a/server/models/rdio-scanner-system.js
+++ /dev/null
@@ -1,13 +0,0 @@
-'use strict';
-
-module.exports = (sequelize, DataTypes) => {
-    return sequelize.define('rdioScannerSystem', {
-        aliases: DataTypes.JSON,
-        name: DataTypes.STRING,
-        system: {
-            type: DataTypes.INTEGER,
-            unique: true,
-        },
-        talkgroups: DataTypes.JSON,
-    }, {});
-};
\ No newline at end of file
diff --git a/server/package.json b/server/package.json
index a051a1d..12bbba8 100644
--- a/server/package.json
+++ b/server/package.json
@@ -1,10 +1,10 @@
 {
     "name": "rdio-scanner-server",
-    "version": "3.0.0",
+    "version": "3.1.0",
     "private": true,
     "main": "index.js",
     "scripts": {
-        "migrate": "npx sequelize db:migrate",
+        "migrate": "npx sequelize db:migrate --migrations-path lib/rdio-scanner/migrations",
         "start": "nodemon index"
     },
     "author": "Chrystian Huot",
diff --git a/server/routes/main.js b/server/routes/main.js
deleted file mode 100644
index 2edcf20..0000000
--- a/server/routes/main.js
+++ /dev/null
@@ -1,14 +0,0 @@
-'use strict';
-
-const fs = require('fs');
-const path = require('path');
-
-const mainFile = 'main.html';
-
-module.exports = ({ clientRoot }) => (req, res) => {
-    if (fs.existsSync(path.join(clientRoot, mainFile))) {
-        return res.sendFile(mainFile, { root: clientRoot });
-    } else {
-        return res.send('A new build of Rdio Scanner is being prepared. Please check back in a few minutes.');
-    }
-};
diff --git a/server/routes/trunk-recorder-alias-upload.js b/server/routes/trunk-recorder-alias-upload.js
deleted file mode 100644
index fc95c4f..0000000
--- a/server/routes/trunk-recorder-alias-upload.js
+++ /dev/null
@@ -1,59 +0,0 @@
-'use strict';
-
-const multer = require('multer');
-const upload = multer({ storage: multer.memoryStorage() });
-
-const { systemReducer, validateApiKey } = require('../helpers/rdio-scanner');
-
-module.exports = ({ pubsub, store }) => (req, res) => upload.fields([
-    { name: 'csv', maxCount: 1 },
-    { name: 'key', maxCount: 1 },
-    { name: 'system', maxCount: 1 },
-])(req, res, (err) => {
-    if (err instanceof multer.MulterError) {
-        res.send(`${err.message}: ${err.field}\n`);
-
-    } else if (err) {
-        res.send(`${err.message}\n`);
-
-    } else {
-        const key = req.body.key;
-
-        const system = parseInt(req.body.system, 10);
-
-        const aliases = [];
-
-        if (!validateApiKey(key, system)) {
-            return res.send(`Api key is invalid for system ${system}.\n`);
-        }
-
-        const csv = req.files.csv[0].buffer.toString()
-            .split(/\n/)
-            .filter((l) => l.length && !/^\s*#/.test(l));
-
-        for (const line of csv) {
-            const vals = line.split(',');
-
-            aliases.push({
-                name: vals[1],
-                uid: parseInt(vals[0], 10),
-            })
-        }
-
-        store.rdioScannerSystem.findOne({ where: { system } })
-            .then((rdioScannerSystem) => {
-                if (rdioScannerSystem) {
-                    rdioScannerSystem.update({ aliases: JSON.stringify(aliases), system }).then(() => {
-                        res.send(`System ${rdioScannerSystem.name} updated successfully.\n`);
-
-                        store.rdioScannerSystem.findAll({ order: [['system', 'ASC']] }).then((systems) => {
-                            pubsub.publish('rdioScannerSystems', { rdioScannerSystems: systemReducer(systems) });
-                        })
-                    });
-
-                } else {
-                    res.send(`Cannot update aliases for system ${rdioScannerSystem.name}.\n`);
-                }
-            });
-    }
-});
diff --git a/server/routes/trunk-recorder-call-upload.js b/server/routes/trunk-recorder-call-upload.js
deleted file mode 100644
index 9d7c029..0000000
--- a/server/routes/trunk-recorder-call-upload.js
+++ /dev/null
@@ -1,89 +0,0 @@
-'use strict';
-
-const multer = require('multer');
-const upload = multer({ storage: multer.memoryStorage() });
-
-const { callReducer, validateApiKey } = require('../helpers/rdio-scanner');
-
-module.exports = ({ pubsub, store }) => (req, res) => upload.fields([
-    { name: 'audio', maxCount: 1 },
-    { name: 'key', maxCount: 1 },
-    { name: 'meta', maxCount: 1 },
-    { name: 'system', maxCount: 1 },
-])(req, res, (err) => {
-    if (err instanceof multer.MulterError) {
-        res.send(`${err.message}: ${err.field}\n`);
-
-    } else if (err) {
-        res.send(`${err.message}\n`);
-
-    } else {
-        const key = req.body.key;
-
-        let meta = req.files.meta[0].buffer.toString();
-
-        try {
-            meta = JSON.parse(meta);
-        } catch (err) {
-            meta = {};
-        }
-
-        if (Array.isArray(meta.freqList)) {
-            meta.freqList = meta.freqList.map((f) => ({
-                errorCount: f.error_count,
-                freq: f.freq,
-                len: f.len,
-                pos: f.pos,
-                spikeCount: f.spike_count,
-            }));
-        } else {
-            meta.freqList = [];
-        }
-
-        if (Array.isArray(meta.srcList)) {
-            meta.srcList = meta.srcList.map((s) => ({
-               src: s.src,
-               pos: s.pos,
-            }));
-        } else {
-            meta.srcList = [];
-        }
-
-        const data = {
-            audio: req.files.audio[0].buffer,
-            audioName: req.files.audio[0].originalname,
-            audioType: req.files.audio[0].mimetype,
-            emergency: !!meta.emergency,
-            freq: parseInt(meta.freq, 10),
-            freqList: JSON.stringify(Array.isArray(meta.freqList) ? meta.freqList : []),
-            startTime: parseDate(meta.start_time),
-            stopTime: parseDate(meta.stop_time),
-            srcList: JSON.stringify(Array.isArray(meta.srcList) ? meta.srcList : []),
-            system: parseInt(req.body.system, 10),
-            talkgroup: parseInt(meta.talkgroup, 10),
-        };
-
-        if (!validateApiKey(key, data.system, data.talkgroup)) {
-            return res.send(`Api key is invalid for system ${data.system} talkgroup ${data.talkgroup}.\n`);
-        }
-
-        store.rdioScannerCall.create(data)
-            .then((call) => {
-                pubsub.publish('rdioScannerCall', { rdioScannerCall: callReducer(call) });
-                res.send(`Call imported successfully.\n`)
-            })
-            .catch((err) => res.send(err.message));
-    }
-});
-
-function parseDate(value) {
-    if (value instanceof Date) {
-        return value;
-    } else if (typeof value === 'number') {
-        const date = new Date(1970, 0, 1);
-        date.setUTCSeconds(value - date.getTimezoneOffset() * 60);
-        return date;
-    } else {
-        return new Date(value);
-    }
-}
diff --git a/server/routes/trunk-recorder-system-upload.js b/server/routes/trunk-recorder-system-upload.js
deleted file mode 100644
index 534835e..0000000
--- a/server/routes/trunk-recorder-system-upload.js
+++ /dev/null
@@ -1,88 +0,0 @@
-'use strict';
-
-const multer = require('multer');
-const upload = multer({ storage: multer.memoryStorage() });
-
-const { systemReducer, validateApiKey } = require('../helpers/rdio-scanner');
-
-module.exports = ({ pubsub, store }) => (req, res) => upload.fields([
-    { name: 'csv', maxCount: 1 },
-    { name: 'key', maxCount: 1 },
-    { name: 'name', maxCount: 1 },
-    { name: 'system', maxCount: 1 },
-])(req, res, (err) => {
-    if (err instanceof multer.MulterError) {
-        res.send(`${err.message}: ${err.field}\n`);
-
-    } else if (err) {
-        res.send(`${err.message}\n`);
-
-    } else {
-        const key = req.body.key;
-
-        const system = {
-            name: req.body.name,
-            system: parseInt(req.body.system, 10),
-            talkgroups: [],
-        }
-
-        if (!validateApiKey(key, system.system)) {
-            return res.send(`Api key is invalid for system ${system.system}.\n`);
-        }
-
-        const csv = req.files.csv[0].buffer.toString()
-            .split(/\n/)
-            .filter((l) => l.length && !/^\s*#/.test(l));
-
-        for (const line of csv) {
-            const vals = line.split(',');
-
-            const talkgroup = {
-                alphaTag: vals[3],
-                dec: parseInt(vals[0], 10),
-                description: vals[4],
-                group: vals[6],
-                mode: vals[2],
-                tag: vals[5],
-            };
-
-            if (validateApiKey(key, system.system, talkgroup.dec)) {
-                system.talkgroups.push(talkgroup);
-            }
-        }
-
-        const emit = () => {
-            store.rdioScannerSystem.findAll({ order: [['system', 'ASC']]}).then((systems) => {
-                pubsub.publish('rdioScannerSystems', { rdioScannerSystems: systemReducer(systems) });
-            })
-        };
-
-        if (system.talkgroups.length) {
-            system.talkgroups = JSON.stringify(system.talkgroups);
-
-            store.rdioScannerSystem.findOne({ where: { system: system.system } })
-                .then((rdioScannerSystem) => {
-                    if (rdioScannerSystem) {
-                        rdioScannerSystem.update(system).then(() => {
-                            emit();
-                            res.send(`System ${system.name} updated successfully.\n`);
-                        });
-
-                    } else {
-                        store.rdioScannerSystem.create(system).then(() => {
-                            emit();
-                            res.send(`System ${system.name} imported successfully.\n`);
-                        });
-                    }
-                });
-
-        } else {
-            store.rdioScannerSystem.destroy({ where: { system: system.system } })
-                .then(() => {
-                    emit();
-                    res.send(`System ${system.name} removed from configuration.\n`);
-                })
-                .catch(() => res.send(`Error while removing system ${system.name}.\n`));
-        }
-    }
-});