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Deduplicate updated timeline positions when handling remote changes

This commit is contained in:
Shadowfacts 2022-12-31 16:58:20 -05:00
parent ae7962ae50
commit f9e619d9e7
1 changed files with 4 additions and 3 deletions
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7
Tusker/CoreData/MastodonCachePersistentStore.swift
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@ -507,10 +507,11 @@ class MastodonCachePersistentStore: NSPersistentCloudKitContainer {
let req = NSPersistentHistoryChangeRequest.fetchHistory(after: self.lastRemoteChangeToken) let req = NSPersistentHistoryChangeRequest.fetchHistory(after: self.lastRemoteChangeToken)
self.backgroundContext.performAndWait { self.backgroundContext.performAndWait {
if let result = try? self.backgroundContext.execute(req) as? NSPersistentHistoryResult, if let result = try? self.backgroundContext.execute(req) as? NSPersistentHistoryResult,
let transactions = result.result as? [NSPersistentHistoryTransaction] { let transactions = result.result as? [NSPersistentHistoryTransaction],
!transactions.isEmpty {
var changedHashtags = false var changedHashtags = false
var changedInstances = false var changedInstances = false
var changedTimelinePositions: [NSManagedObjectID] = [] var changedTimelinePositions = Set<NSManagedObjectID>()
var changedAccountPrefs = false var changedAccountPrefs = false
outer: for transaction in transactions { outer: for transaction in transactions {
for change in transaction.changes ?? [] { for change in transaction.changes ?? [] {
@ -519,7 +520,7 @@ class MastodonCachePersistentStore: NSPersistentCloudKitContainer {
} else if change.changedObjectID.entity.name == "SavedInstance" { } else if change.changedObjectID.entity.name == "SavedInstance" {
changedInstances = true changedInstances = true
} else if change.changedObjectID.entity.name == "TimelinePosition" { } else if change.changedObjectID.entity.name == "TimelinePosition" {
changedTimelinePositions.append(change.changedObjectID) changedTimelinePositions.insert(change.changedObjectID)
} else if change.changedObjectID.entity.name == "AccountPreferences" { } else if change.changedObjectID.entity.name == "AccountPreferences" {
changedAccountPrefs = true changedAccountPrefs = true
} }