mirror of
https://git.sr.ht/~cadence/cloudtube
synced 2024-11-10 02:27:29 +00:00
67 lines
2.3 KiB
JavaScript
67 lines
2.3 KiB
JavaScript
const pj = require("path").join
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const db = require("./db")
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const deltas = [
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// 0: from empty file, +DatabaseVersion, +Subscriptions
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function() {
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db.prepare("CREATE TABLE DatabaseVersion (version INTEGER NOT NULL, PRIMARY KEY (version))")
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.run()
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db.prepare("CREATE TABLE Subscriptions (token TEXT NOT NULL, ucid TEXT NOT NULL, PRIMARY KEY (token, ucid))")
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.run()
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db.prepare("CREATE TABLE Channels (ucid TEXT NOT NULL, name TEXT NOT NULL, icon_url TEXT, PRIMARY KEY (ucid))")
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.run()
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db.prepare("CREATE TABLE Videos (videoId TEXT NOT NULL, title TEXT NOT NULL, author TEXT, authorId TEXT NOT NULL, published INTEGER, publishedText TEXT, lengthText TEXT, viewCountText TEXT, descriptionHtml TEXT, PRIMARY KEY (videoId))")
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.run()
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db.prepare("CREATE TABLE CSRFTokens (token TEXT NOT NULL, expires INTEGER NOT NULL, PRIMARY KEY (token))")
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.run()
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db.prepare("CREATE TABLE SeenTokens (token TEXT NOT NULL, seen INTEGER NOT NULL, PRIMARY KEY (token))")
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.run()
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db.prepare("CREATE TABLE Settings (token TEXT NOT NULL, instance TEXT, save_history INTEGER, PRIMARY KEY (token))")
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.run()
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},
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// 1: Channels +refreshed
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function() {
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db.prepare("ALTER TABLE Channels ADD COLUMN refreshed INTEGER")
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.run()
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}
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]
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async function createBackup(entry) {
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const filename = `db/backups/cloudtube.db.bak-v${entry-1}`
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process.stdout.write(`Backing up current to ${filename}... `)
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await db.backup(pj(__dirname, "../", filename))
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process.stdout.write("done.\n")
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}
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/**
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* @param {number} entry
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* @param {boolean} log
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*/
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function runDelta(entry, log) {
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process.stdout.write(`Upgrading database to version ${entry}... `)
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deltas[entry]()
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db.prepare("DELETE FROM DatabaseVersion").run()
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db.prepare("INSERT INTO DatabaseVersion (version) VALUES (?)").run(entry)
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process.stdout.write("done.\n")
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}
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module.exports = async function() {
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let currentVersion = -1
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const newVersion = deltas.length - 1
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try {
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currentVersion = db.prepare("SELECT version FROM DatabaseVersion").pluck().get()
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} catch (e) {} // if the table doesn't exist yet then we don't care
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if (currentVersion !== newVersion) {
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// go through the entire upgrade sequence
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for (let entry = currentVersion+1; entry <= newVersion; entry++) {
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// Back up current version
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if (entry > 0) await createBackup(entry)
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// Run delta
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runDelta(entry)
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}
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}
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}
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