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Keep subscriptions in database if channel deleted

This commit is contained in:
Cadence Ember 2021-08-23 23:43:23 +12:00
parent deea909585
commit 0aa0505009
No known key found for this signature in database
GPG Key ID: BC1C2C61CF521B17
4 changed files with 13 additions and 5 deletions

View File

@ -24,7 +24,10 @@ module.exports = [
if (add) {
await fetchChannel(ucid, settings.instance)
db.prepare("INSERT OR IGNORE INTO Subscriptions (token, ucid) VALUES (?, ?)").run(token, ucid)
db.prepare(
"INSERT INTO Subscriptions (token, ucid) VALUES (?, ?)"
+ " ON CONFLICT (token, ucid) DO UPDATE SET channel_missing = 0"
).run(token, ucid)
} else {
db.prepare("DELETE FROM Subscriptions WHERE token = ? AND ucid = ?").run(token, ucid)
}

View File

@ -16,7 +16,7 @@ const prepared = {
"UPDATE Channels SET refreshed = ? WHERE ucid = ?"
),
unsubscribe_all_from_channel: db.prepare(
"DELETE FROM Subscriptions WHERE ucid = ?"
"UPDATE Subscriptions SET channel_missing = 1 WHERE ucid = ?"
)
}
@ -35,7 +35,7 @@ class RefreshQueue {
// get the next set of scheduled channels to refresh
const afterTime = Date.now() - constants.caching.seen_token_subscriptions_eligible
const channels = db.prepare(
"SELECT DISTINCT Subscriptions.ucid FROM SeenTokens INNER JOIN Subscriptions ON SeenTokens.token = Subscriptions.token AND SeenTokens.seen > ? ORDER BY SeenTokens.seen DESC"
"SELECT DISTINCT Subscriptions.ucid FROM SeenTokens INNER JOIN Subscriptions ON SeenTokens.token = Subscriptions.token AND SeenTokens.seen > ? WHERE Subscriptions.channel_missing = 0 ORDER BY SeenTokens.seen DESC"
).pluck().all(afterTime)
this.addLast(channels)
this.lastLoadTime = Date.now()

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@ -51,7 +51,7 @@ class User {
getSubscriptions() {
if (this.token) {
return db.prepare("SELECT ucid FROM Subscriptions WHERE token = ?").pluck().all(this.token)
return db.prepare("SELECT ucid FROM Subscriptions WHERE token = ? AND channel_missing = 0").pluck().all(this.token)
} else {
return []
}
@ -59,7 +59,7 @@ class User {
isSubscribed(ucid) {
if (this.token) {
return !!db.prepare("SELECT * FROM Subscriptions WHERE token = ? AND ucid = ?").get([this.token, ucid])
return !!db.prepare("SELECT * FROM Subscriptions WHERE token = ? AND ucid = ? AND channel_missing = 0").get([this.token, ucid])
} else {
return false
}

View File

@ -53,6 +53,11 @@ const deltas = [
function() {
db.prepare("ALTER TABLE Settings ADD COLUMN recommended_mode INTEGER DEFAULT 0")
.run()
},
// 8: Subscriptions +channel_missing
function() {
db.prepare("ALTER TABLE Subscriptions ADD COLUMN channel_missing INTEGER DEFAULT 0")
.run()
}
]