Files
pulse-signage/src/player/onboarding/store.js
T
2026-07-25 02:29:19 +01:00

98 lines
2.9 KiB
JavaScript

const fs = require('fs');
const path = require('path');
function isTransientDbError(error) {
const code = String(error && error.code ? error.code : '').trim();
return [
'ECONNREFUSED',
'ECONNRESET',
'ETIMEDOUT',
'EPIPE',
'ENOTFOUND',
'PROTOCOL_CONNECTION_LOST',
'POOL_CLOSED',
'ERR_POOL_CLOSED'
].indexOf(code) !== -1;
}
function createOnboardingStore(filePath) {
const normalizedFilePath = String(filePath || '').trim();
async function readEntries() {
try {
const raw = await fs.promises.readFile(normalizedFilePath, 'utf8');
const parsed = JSON.parse(raw);
return Array.isArray(parsed) ? parsed : [];
} catch (error) {
if (error && error.code === 'ENOENT') {
return [];
}
throw error;
}
}
async function writeEntries(entries) {
await fs.promises.mkdir(path.dirname(normalizedFilePath), { recursive: true });
const tempPath = `${normalizedFilePath}.tmp`;
await fs.promises.writeFile(tempPath, JSON.stringify(Array.isArray(entries) ? entries : [], null, 2), 'utf8');
await fs.promises.rename(tempPath, normalizedFilePath);
}
async function enqueueBinding(entry) {
const normalizedEntry = {
deviceId: String(entry && entry.deviceId ? entry.deviceId : '').trim(),
clientName: String(entry && entry.clientName ? entry.clientName : '').trim(),
screenSlug: String(entry && entry.screenSlug ? entry.screenSlug : '').trim(),
queuedAt: String(entry && entry.queuedAt ? entry.queuedAt : new Date().toISOString())
};
if (!normalizedEntry.deviceId || !normalizedEntry.clientName || !normalizedEntry.screenSlug) {
return readEntries();
}
const entries = await readEntries();
const nextEntries = entries.filter(function (queuedEntry) {
return String(queuedEntry && queuedEntry.deviceId ? queuedEntry.deviceId : '').trim() !== normalizedEntry.deviceId;
});
nextEntries.push(normalizedEntry);
await writeEntries(nextEntries);
return nextEntries;
}
async function flushBindings(applyBinding) {
const entries = await readEntries();
if (!entries.length) {
return { flushed: 0, remaining: 0 };
}
const remaining = [];
let flushed = 0;
for (let index = 0; index < entries.length; index += 1) {
const entry = entries[index];
try {
await applyBinding(entry);
flushed += 1;
} catch (error) {
if (isTransientDbError(error)) {
remaining.push.apply(remaining, entries.slice(index));
break;
}
remaining.push.apply(remaining, entries.slice(index + 1));
}
}
await writeEntries(remaining);
return { flushed: flushed, remaining: remaining.length };
}
return {
enqueueBinding: enqueueBinding,
flushBindings: flushBindings,
readEntries: readEntries
};
}
module.exports = {
createOnboardingStore: createOnboardingStore,
isTransientDbError: isTransientDbError
};