This commit is contained in:
Christopher Cookman 2025-09-23 18:41:25 -06:00
commit 19cb052930
4 changed files with 358 additions and 0 deletions

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require("dotenv").config();
const ws = require("ws")
/* Old NTFY Body from old system
ntfyBody = {
"topic": `${config.ntfy.prefix}${fromChannel}`,
"message": bodyData.string,
"tags": [`Timestamp: ${product_id.timestamp}`, `Station: ${product_id.station}`, `WMO: ${product_id.wmo}`, `PIL: ${product_id.pil}`, `Channel: ${fromChannel}`],
"priority": evt.priority,
"actions": [{ "action": "view", "label": "Product", "url": bodyData.url }, { "action": "view", "label": "Product Text", "url": `https://mesonet.agron.iastate.edu/api/1/nwstext/${product_id_raw}` }]
}
// Message body from websocket
{
"type": "iem-message",
"data": {
"channel": {
"location": "<location-name>",
"room": "<room-name>"
},
"event": {
"name": "<event-name>",
"priority": <priority-level>,
"code": "<event-code>"
},
"body": "<message-body>",
"timestamp": "<timestamp>",
"wmo": "<wmo-code>",
"pil": "<pil-code>",
"station": "<station-name>",
"raw": "<raw-product-id>",
"rawBody": "<raw-message-body>",
"image": "<image-url>", // Optional
"productText": "<product-text>" // Optional
}
}
*/
let retryQueue = [];
function handleIEMMessage(msg) {
if (!msg.data) return;
const data = msg.data;
ntfyBody = {
topic: `${data.channel.room}`,
message: data.body.string,
tags: [
`Timestamp: ${data.timestamp}`,
`Station: ${data.station}`,
`WMO: ${data.wmo}`,
`PIL: ${data.pil}`,
`Channel: ${data.channel.room}`,
],
priority: data.event.priority,
actions: [
{
action: "view",
label: "Product",
url: data.body.url,
},
{
action: "view",
label: "Product Text",
url: `https://mesonet.agron.iastate.edu/api/1/nwstext/${data.raw}`,
},
],
};
if (data.image) {
ntfyBody.attach = data.image;
}
// Send to NTFY
fetch(process.env.NTFY_HOST, {
method: "POST",
headers: {
"Content-Type": "application/json",
"Authorization": `Bearer ${process.env.NTFY_TOKEN}`,
},
body: JSON.stringify(ntfyBody),
}).then((res) => {
if (!res.ok) {
retryQueue.push(ntfyBody);
console.error(`Error sending to NTFY: ${res.statusText}. Added to retry queue.`);
} else {
console.log(`Sent to NTFY topic ${ntfyBody.topic}`);
}
}).catch((error) => {
retryQueue.push(ntfyBody);
console.error("Error sending to NTFY:", error);
});
};
function processRetryQueue() {
if (retryQueue.length === 0) return;
const body = retryQueue.shift();
fetch(process.env.NTFY_HOST, {
method: "POST",
headers: {
"Content-Type": "application/json",
"Authorization": `Bearer ${process.env.NTFY_TOKEN}`,
},
body: JSON.stringify(body),
}).then((res) => {
if (!res.ok) {
retryQueue.push(body);
console.error(`Error retrying to NTFY: ${res.statusText}. Re-added to retry queue.`);
} else {
console.log(`Retried and sent to NTFY topic ${body.topic}`);
}
}).catch((error) => {
retryQueue.push(body);
console.error("Error retrying to NTFY:", error);
});
};
// Process retry queue every second
setInterval(processRetryQueue, 1000);
// Connect to process.env.IEM_WS_SERVER
const wsClient = new ws(process.env.IEM_WS_SERVER, {
headers: {
"User-Agent": "ntfy-pusher/1.0",
},
});
wsClient.on("open", function open() {
console.log("Connected to IEM WebSocket server");
wsClient.send(JSON.stringify({ type: "subscribe", channel: "*" }));
});
wsClient.on("message", function incoming(data) {
let msg;
try {
msg = JSON.parse(data);
} catch (error) {
console.error("Error parsing message:", error);
}
if (!msg) return; // Ignore invalid messages
switch (msg.type) {
case "iem-message":
handleIEMMessage(msg);
break;
}
});

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{
"name": "ntfy-pusher",
"version": "1.0.0",
"lockfileVersion": 3,
"requires": true,
"packages": {
"": {
"name": "ntfy-pusher",
"version": "1.0.0",
"license": "ISC",
"dependencies": {
"dotenv": "^17.2.2",
"ws": "^8.18.3"
}
},
"node_modules/dotenv": {
"version": "17.2.2",
"resolved": "https://registry.npmjs.org/dotenv/-/dotenv-17.2.2.tgz",
"integrity": "sha512-Sf2LSQP+bOlhKWWyhFsn0UsfdK/kCWRv1iuA2gXAwt3dyNabr6QSj00I2V10pidqz69soatm9ZwZvpQMTIOd5Q==",
"license": "BSD-2-Clause",
"engines": {
"node": ">=12"
},
"funding": {
"url": "https://dotenvx.com"
}
},
"node_modules/ws": {
"version": "8.18.3",
"resolved": "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz",
"integrity": "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==",
"license": "MIT",
"engines": {
"node": ">=10.0.0"
},
"peerDependencies": {
"bufferutil": "^4.0.1",
"utf-8-validate": ">=5.0.2"
},
"peerDependenciesMeta": {
"bufferutil": {
"optional": true
},
"utf-8-validate": {
"optional": true
}
}
}
}
}

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{
"name": "ntfy-pusher",
"version": "1.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"keywords": [],
"author": "",
"license": "ISC",
"type": "commonjs",
"dependencies": {
"dotenv": "^17.2.2",
"ws": "^8.18.3"
}
}