382 lines
16 KiB
Objective-C
382 lines
16 KiB
Objective-C
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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#import "TSDatabaseView.h"
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#import "OWSDevice.h"
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#import "OWSReadTracking.h"
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#import "TSIncomingMessage.h"
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#import "TSInvalidIdentityKeyErrorMessage.h"
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#import "TSOutgoingMessage.h"
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#import "TSThread.h"
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#import <YapDatabase/YapDatabaseAutoView.h>
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#import <YapDatabase/YapDatabaseCrossProcessNotification.h>
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#import <YapDatabase/YapDatabaseViewTypes.h>
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NSString *const TSInboxGroup = @"TSInboxGroup";
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NSString *const TSArchiveGroup = @"TSArchiveGroup";
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NSString *const TSUnreadIncomingMessagesGroup = @"TSUnreadIncomingMessagesGroup";
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NSString *const TSSecondaryDevicesGroup = @"TSSecondaryDevicesGroup";
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// YAPDB BUG: when changing from non-persistent to persistent view, we had to rename TSThreadDatabaseViewExtensionName
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// -> TSThreadDatabaseViewExtensionName2 to work around https://github.com/yapstudios/YapDatabase/issues/324
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NSString *const TSThreadDatabaseViewExtensionName = @"TSThreadDatabaseViewExtensionName2";
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NSString *const TSMessageDatabaseViewExtensionName = @"TSMessageDatabaseViewExtensionName";
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NSString *const TSThreadOutgoingMessageDatabaseViewExtensionName = @"TSThreadOutgoingMessageDatabaseViewExtensionName";
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NSString *const TSUnreadDatabaseViewExtensionName = @"TSUnreadDatabaseViewExtensionName";
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NSString *const TSUnseenDatabaseViewExtensionName = @"TSUnseenDatabaseViewExtensionName";
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NSString *const TSThreadSpecialMessagesDatabaseViewExtensionName = @"TSThreadSpecialMessagesDatabaseViewExtensionName";
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NSString *const TSSecondaryDevicesDatabaseViewExtensionName = @"TSSecondaryDevicesDatabaseViewExtensionName";
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@implementation TSDatabaseView
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+ (void)registerCrossProcessNotifier:(OWSStorage *)storage
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{
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OWSAssert(storage);
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// I don't think the identifier and name of this extension matter for our purposes,
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// so long as they don't conflict with any other extension names.
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YapDatabaseExtension *extension =
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[[YapDatabaseCrossProcessNotification alloc] initWithIdentifier:@"SignalCrossProcessNotifier"];
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[storage registerExtension:extension withName:@"SignalCrossProcessNotifier"];
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}
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+ (void)registerMessageDatabaseViewWithName:(NSString *)viewName
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viewGrouping:(YapDatabaseViewGrouping *)viewGrouping
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version:(NSString *)version
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async:(BOOL)async
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storage:(OWSStorage *)storage
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{
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OWSAssertIsOnMainThread();
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OWSAssert(viewName.length > 0);
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OWSAssert((viewGrouping));
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OWSAssert(storage);
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YapDatabaseView *existingView = [storage registeredExtension:viewName];
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if (existingView) {
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OWSFail(@"Registered database view twice: %@", viewName);
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return;
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}
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YapDatabaseViewSorting *viewSorting = [self messagesSorting];
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YapDatabaseViewOptions *options = [[YapDatabaseViewOptions alloc] init];
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options.isPersistent = YES;
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options.allowedCollections =
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[[YapWhitelistBlacklist alloc] initWithWhitelist:[NSSet setWithObject:[TSInteraction collection]]];
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YapDatabaseView *view = [[YapDatabaseAutoView alloc] initWithGrouping:viewGrouping
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sorting:viewSorting
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versionTag:version
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options:options];
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if (async) {
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[storage asyncRegisterExtension:view withName:viewName];
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} else {
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[storage registerExtension:view withName:viewName];
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}
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}
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+ (void)asyncRegisterUnreadDatabaseView:(OWSStorage *)storage
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{
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YapDatabaseViewGrouping *viewGrouping = [YapDatabaseViewGrouping withObjectBlock:^NSString *(
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YapDatabaseReadTransaction *transaction, NSString *collection, NSString *key, id object) {
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if ([object conformsToProtocol:@protocol(OWSReadTracking)]) {
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id<OWSReadTracking> possiblyRead = (id<OWSReadTracking>)object;
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if (!possiblyRead.wasRead && possiblyRead.shouldAffectUnreadCounts) {
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return possiblyRead.uniqueThreadId;
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}
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}
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return nil;
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}];
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[self registerMessageDatabaseViewWithName:TSUnreadDatabaseViewExtensionName
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viewGrouping:viewGrouping
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version:@"1"
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async:YES
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storage:storage];
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}
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+ (void)asyncRegisterUnseenDatabaseView:(OWSStorage *)storage
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{
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YapDatabaseViewGrouping *viewGrouping = [YapDatabaseViewGrouping withObjectBlock:^NSString *(
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YapDatabaseReadTransaction *transaction, NSString *collection, NSString *key, id object) {
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if ([object conformsToProtocol:@protocol(OWSReadTracking)]) {
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id<OWSReadTracking> possiblyRead = (id<OWSReadTracking>)object;
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if (!possiblyRead.wasRead) {
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return possiblyRead.uniqueThreadId;
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}
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}
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return nil;
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}];
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[self registerMessageDatabaseViewWithName:TSUnseenDatabaseViewExtensionName
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viewGrouping:viewGrouping
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version:@"1"
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async:YES
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storage:storage];
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}
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+ (void)asyncRegisterThreadSpecialMessagesDatabaseView:(OWSStorage *)storage
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{
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YapDatabaseViewGrouping *viewGrouping = [YapDatabaseViewGrouping withObjectBlock:^NSString *(
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YapDatabaseReadTransaction *transaction, NSString *collection, NSString *key, id object) {
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OWSAssert([object isKindOfClass:[TSInteraction class]]);
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TSInteraction *interaction = (TSInteraction *)object;
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if ([interaction isDynamicInteraction]) {
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return interaction.uniqueThreadId;
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} else if ([object isKindOfClass:[TSInvalidIdentityKeyErrorMessage class]]) {
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TSInteraction *interaction = (TSInteraction *)object;
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return interaction.uniqueThreadId;
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} else if ([object isKindOfClass:[TSErrorMessage class]]) {
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TSErrorMessage *errorMessage = (TSErrorMessage *)object;
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if (errorMessage.errorType == TSErrorMessageNonBlockingIdentityChange) {
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return errorMessage.uniqueThreadId;
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}
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}
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return nil;
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}];
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[self registerMessageDatabaseViewWithName:TSThreadSpecialMessagesDatabaseViewExtensionName
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viewGrouping:viewGrouping
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version:@"1"
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async:YES
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storage:storage];
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}
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+ (void)asyncRegisterThreadInteractionsDatabaseView:(OWSStorage *)storage
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{
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YapDatabaseViewGrouping *viewGrouping = [YapDatabaseViewGrouping withObjectBlock:^NSString *(
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YapDatabaseReadTransaction *transaction, NSString *collection, NSString *key, id object) {
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OWSAssert([object isKindOfClass:[TSInteraction class]]);
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TSInteraction *interaction = (TSInteraction *)object;
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return interaction.uniqueThreadId;
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}];
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[self registerMessageDatabaseViewWithName:TSMessageDatabaseViewExtensionName
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viewGrouping:viewGrouping
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version:@"1"
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async:YES
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storage:storage];
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}
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+ (void)asyncRegisterThreadOutgoingMessagesDatabaseView:(OWSStorage *)storage
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{
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YapDatabaseViewGrouping *viewGrouping = [YapDatabaseViewGrouping withObjectBlock:^NSString *(
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YapDatabaseReadTransaction *transaction, NSString *collection, NSString *key, id object) {
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if ([object isKindOfClass:[TSOutgoingMessage class]]) {
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return ((TSOutgoingMessage *)object).uniqueThreadId;
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}
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return nil;
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}];
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[self registerMessageDatabaseViewWithName:TSThreadOutgoingMessageDatabaseViewExtensionName
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viewGrouping:viewGrouping
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version:@"2"
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async:YES
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storage:storage];
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}
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+ (void)asyncRegisterThreadDatabaseView:(OWSStorage *)storage
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{
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YapDatabaseView *threadView = [storage registeredExtension:TSThreadDatabaseViewExtensionName];
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if (threadView) {
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OWSFail(@"Registered database view twice: %@", TSThreadDatabaseViewExtensionName);
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return;
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}
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YapDatabaseViewGrouping *viewGrouping = [YapDatabaseViewGrouping withObjectBlock:^NSString *(
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YapDatabaseReadTransaction *transaction, NSString *collection, NSString *key, id object) {
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if (![object isKindOfClass:[TSThread class]]) {
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return nil;
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}
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TSThread *thread = (TSThread *)object;
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if (thread.isGroupThread) {
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// Do nothing; we never hide group threads.
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} else if (thread.hasEverHadMessage) {
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// Do nothing; we never hide threads that have ever had a message.
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} else {
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YapDatabaseViewTransaction *viewTransaction = [transaction ext:TSMessageDatabaseViewExtensionName];
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OWSAssert(viewTransaction);
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NSUInteger threadMessageCount = [viewTransaction numberOfItemsInGroup:thread.uniqueId];
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if (threadMessageCount < 1) {
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return nil;
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}
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}
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if (thread.archivalDate) {
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return ([self threadShouldBeInInbox:thread]) ? TSInboxGroup : TSArchiveGroup;
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} else if (thread.archivalDate) {
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return TSArchiveGroup;
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} else {
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return TSInboxGroup;
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}
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}];
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YapDatabaseViewSorting *viewSorting = [self threadSorting];
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YapDatabaseViewOptions *options = [[YapDatabaseViewOptions alloc] init];
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options.isPersistent = YES;
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options.allowedCollections =
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[[YapWhitelistBlacklist alloc] initWithWhitelist:[NSSet setWithObject:[TSThread collection]]];
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YapDatabaseView *databaseView =
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[[YapDatabaseAutoView alloc] initWithGrouping:viewGrouping sorting:viewSorting versionTag:@"3" options:options];
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[storage asyncRegisterExtension:databaseView withName:TSThreadDatabaseViewExtensionName];
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}
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/**
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* Determines whether a thread belongs to the archive or inbox
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*
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* @param thread TSThread
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*
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* @return Inbox if true, Archive if false
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*/
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+ (BOOL)threadShouldBeInInbox:(TSThread *)thread {
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NSDate *lastMessageDate = thread.lastMessageDate;
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NSDate *archivalDate = thread.archivalDate;
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if (lastMessageDate && archivalDate) { // this is what is called
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return ([lastMessageDate timeIntervalSinceDate:archivalDate] > 0)
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? YES
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: NO; // if there hasn't been a new message since the archive date, it's in the archive. an issue is
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// that empty threads are always given with a lastmessage date of the present on every launch
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} else if (archivalDate) {
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return NO;
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}
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return YES;
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}
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+ (YapDatabaseViewSorting *)threadSorting {
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return [YapDatabaseViewSorting withObjectBlock:^NSComparisonResult(YapDatabaseReadTransaction *transaction,
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NSString *group,
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NSString *collection1,
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NSString *key1,
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id object1,
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NSString *collection2,
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NSString *key2,
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id object2) {
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if ([group isEqualToString:TSArchiveGroup] || [group isEqualToString:TSInboxGroup]) {
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if ([object1 isKindOfClass:[TSThread class]] && [object2 isKindOfClass:[TSThread class]]) {
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TSThread *thread1 = (TSThread *)object1;
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TSThread *thread2 = (TSThread *)object2;
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return [thread1.lastMessageDate compare:thread2.lastMessageDate];
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}
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}
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return NSOrderedSame;
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}];
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}
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+ (YapDatabaseViewSorting *)messagesSorting {
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return [YapDatabaseViewSorting withObjectBlock:^NSComparisonResult(YapDatabaseReadTransaction *transaction,
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NSString *group,
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NSString *collection1,
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NSString *key1,
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id object1,
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NSString *collection2,
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NSString *key2,
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id object2) {
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if ([object1 isKindOfClass:[TSInteraction class]] && [object2 isKindOfClass:[TSInteraction class]]) {
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TSInteraction *message1 = (TSInteraction *)object1;
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TSInteraction *message2 = (TSInteraction *)object2;
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return [message1 compareForSorting:message2];
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}
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return NSOrderedSame;
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}];
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}
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+ (void)asyncRegisterSecondaryDevicesDatabaseView:(OWSStorage *)storage
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{
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YapDatabaseViewGrouping *viewGrouping =
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[YapDatabaseViewGrouping withObjectBlock:^NSString *_Nullable(YapDatabaseReadTransaction *_Nonnull transaction,
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NSString *_Nonnull collection,
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NSString *_Nonnull key,
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id _Nonnull object) {
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if ([object isKindOfClass:[OWSDevice class]]) {
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OWSDevice *device = (OWSDevice *)object;
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if (![device isPrimaryDevice]) {
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return TSSecondaryDevicesGroup;
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}
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}
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return nil;
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}];
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YapDatabaseViewSorting *viewSorting =
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[YapDatabaseViewSorting withObjectBlock:^NSComparisonResult(YapDatabaseReadTransaction *_Nonnull transaction,
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NSString *_Nonnull group,
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NSString *_Nonnull collection1,
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NSString *_Nonnull key1,
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id _Nonnull object1,
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NSString *_Nonnull collection2,
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NSString *_Nonnull key2,
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id _Nonnull object2) {
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if ([object1 isKindOfClass:[OWSDevice class]] && [object2 isKindOfClass:[OWSDevice class]]) {
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OWSDevice *device1 = (OWSDevice *)object1;
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OWSDevice *device2 = (OWSDevice *)object2;
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return [device2.createdAt compare:device1.createdAt];
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}
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return NSOrderedSame;
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}];
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YapDatabaseViewOptions *options = [YapDatabaseViewOptions new];
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options.isPersistent = YES;
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NSSet *deviceCollection = [NSSet setWithObject:[OWSDevice collection]];
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options.allowedCollections = [[YapWhitelistBlacklist alloc] initWithWhitelist:deviceCollection];
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YapDatabaseView *view =
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[[YapDatabaseAutoView alloc] initWithGrouping:viewGrouping sorting:viewSorting versionTag:@"3" options:options];
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[storage asyncRegisterExtension:view withName:TSSecondaryDevicesDatabaseViewExtensionName];
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}
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+ (id)unseenDatabaseViewExtension:(YapDatabaseReadTransaction *)transaction
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{
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OWSAssert(transaction);
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id result = [transaction ext:TSUnseenDatabaseViewExtensionName];
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if (!result) {
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result = [transaction ext:TSUnreadDatabaseViewExtensionName];
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OWSAssert(result);
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}
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return result;
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}
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+ (id)threadOutgoingMessageDatabaseView:(YapDatabaseReadTransaction *)transaction
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{
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OWSAssert(transaction);
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id result = [transaction ext:TSThreadOutgoingMessageDatabaseViewExtensionName];
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OWSAssert(result);
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return result;
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}
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+ (id)threadSpecialMessagesDatabaseView:(YapDatabaseReadTransaction *)transaction
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{
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OWSAssert(transaction);
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id result = [transaction ext:TSThreadSpecialMessagesDatabaseViewExtensionName];
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OWSAssert(result);
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return result;
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}
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@end
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