Use makeDatabaseCalls/switch pattern in ArticlesTable.
This commit is contained in:
Brent Simmons
parent
3981312d6f
commit
aa5859ff27
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@ -164,7 +164,7 @@ public final class ArticlesDatabase {
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articlesTable.update(webFeedIDsAndItems, defaultRead, completion)
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}
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public func ensureStatuses(_ articleIDs: Set<String>, _ defaultRead: Bool, _ statusKey: ArticleStatus.Key, _ flag: Bool, completion: DatabaseCompletionBlock? = nil) {
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public func ensureStatuses(_ articleIDs: Set<String>, _ defaultRead: Bool, _ statusKey: ArticleStatus.Key, _ flag: Bool, completion: @escaping DatabaseCompletionBlock) {
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articlesTable.ensureStatuses(articleIDs, defaultRead, statusKey, flag, completion: completion)
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}
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@ -104,6 +104,7 @@ final class ArticlesTable: DatabaseTable {
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func fetchArticlesMatching(_ searchString: String) throws -> Set<Article> {
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var articles: Set<Article> = Set<Article>()
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var error: DatabaseError? = nil
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queue.runInDatabaseSync { (databaseResult) in
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switch databaseResult {
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case .success(let database):
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@ -112,6 +113,7 @@ final class ArticlesTable: DatabaseTable {
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error = databaseError
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}
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}
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if let error = error {
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throw(error)
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}
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@ -188,86 +190,99 @@ final class ArticlesTable: DatabaseTable {
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}
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self.queue.runInTransaction { (databaseResult) in
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guard let database = databaseResult.database else {
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DispatchQueue.main.async {
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completion(.failure(databaseResult.error!))
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func makeDatabaseCalls(_ database: FMDatabase) {
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let statusesDictionary = self.statusesTable.ensureStatusesForArticleIDs(articleIDs, read, database) //1
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assert(statusesDictionary.count == articleIDs.count)
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let allIncomingArticles = Article.articlesWithWebFeedIDsAndItems(webFeedIDsAndItems, self.accountID, statusesDictionary) //2
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if allIncomingArticles.isEmpty {
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self.callUpdateArticlesCompletionBlock(nil, nil, completion)
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return
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}
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let incomingArticles = self.filterIncomingArticles(allIncomingArticles) //3
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if incomingArticles.isEmpty {
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self.callUpdateArticlesCompletionBlock(nil, nil, completion)
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return
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}
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let incomingArticleIDs = incomingArticles.articleIDs()
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let fetchedArticles = self.fetchArticles(articleIDs: incomingArticleIDs, database) //4
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let fetchedArticlesDictionary = fetchedArticles.dictionary()
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let newArticles = self.findAndSaveNewArticles(incomingArticles, fetchedArticlesDictionary, database) //5
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let updatedArticles = self.findAndSaveUpdatedArticles(incomingArticles, fetchedArticlesDictionary, database) //6
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self.callUpdateArticlesCompletionBlock(newArticles, updatedArticles, completion) //7
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// 8. Update search index.
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if let newArticles = newArticles {
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self.searchTable.indexNewArticles(newArticles, database)
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}
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if let updatedArticles = updatedArticles {
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self.searchTable.indexUpdatedArticles(updatedArticles, database)
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}
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return
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}
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let statusesDictionary = self.statusesTable.ensureStatusesForArticleIDs(articleIDs, read, database) //1
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assert(statusesDictionary.count == articleIDs.count)
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let allIncomingArticles = Article.articlesWithWebFeedIDsAndItems(webFeedIDsAndItems, self.accountID, statusesDictionary) //2
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if allIncomingArticles.isEmpty {
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self.callUpdateArticlesCompletionBlock(nil, nil, completion)
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return
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}
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let incomingArticles = self.filterIncomingArticles(allIncomingArticles) //3
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if incomingArticles.isEmpty {
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self.callUpdateArticlesCompletionBlock(nil, nil, completion)
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return
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}
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let incomingArticleIDs = incomingArticles.articleIDs()
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let fetchedArticles = self.fetchArticles(articleIDs: incomingArticleIDs, database) //4
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let fetchedArticlesDictionary = fetchedArticles.dictionary()
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let newArticles = self.findAndSaveNewArticles(incomingArticles, fetchedArticlesDictionary, database) //5
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let updatedArticles = self.findAndSaveUpdatedArticles(incomingArticles, fetchedArticlesDictionary, database) //6
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self.callUpdateArticlesCompletionBlock(newArticles, updatedArticles, completion) //7
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// 8. Update search index.
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if let newArticles = newArticles {
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self.searchTable.indexNewArticles(newArticles, database)
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}
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if let updatedArticles = updatedArticles {
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self.searchTable.indexUpdatedArticles(updatedArticles, database)
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switch databaseResult {
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case .success(let database):
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makeDatabaseCalls(database)
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case .failure(let databaseError):
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DispatchQueue.main.async {
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completion(.failure(databaseError))
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}
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}
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}
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}
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func ensureStatuses(_ articleIDs: Set<String>, _ defaultRead: Bool, _ statusKey: ArticleStatus.Key, _ flag: Bool, completion: DatabaseCompletionBlock? = nil) {
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func ensureStatuses(_ articleIDs: Set<String>, _ defaultRead: Bool, _ statusKey: ArticleStatus.Key, _ flag: Bool, completion: @escaping DatabaseCompletionBlock) {
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queue.runInTransaction { databaseResult in
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guard let database = databaseResult.database else {
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DispatchQueue.main.async {
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completion?(databaseResult.error!)
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}
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return
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}
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let statusesDictionary = self.statusesTable.ensureStatusesForArticleIDs(articleIDs, defaultRead, database)
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let statuses = Set(statusesDictionary.values)
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self.statusesTable.mark(statuses, statusKey, flag, database)
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if let completion = completion {
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func makeDatabaseCalls(_ database: FMDatabase) {
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let statusesDictionary = self.statusesTable.ensureStatusesForArticleIDs(articleIDs, defaultRead, database)
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let statuses = Set(statusesDictionary.values)
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self.statusesTable.mark(statuses, statusKey, flag, database)
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DispatchQueue.main.async {
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completion(nil)
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}
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}
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switch databaseResult {
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case .success(let database):
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makeDatabaseCalls(database)
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case .failure(let databaseError):
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DispatchQueue.main.async {
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completion(databaseError)
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}
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}
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}
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}
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func fetchStatuses(_ articleIDs: Set<String>, _ createIfNeeded: Bool, _ completion: @escaping ArticleStatusesResultBlock) {
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queue.runInTransaction { databaseResult in
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guard let database = databaseResult.database else {
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DispatchQueue.main.async {
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completion(.failure(databaseResult.error!))
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func makeDatabaseCalls(_ database: FMDatabase) {
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var statusesDictionary = [String: ArticleStatus]()
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if createIfNeeded {
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statusesDictionary = self.statusesTable.ensureStatusesForArticleIDs(articleIDs, false, database)
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}
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else {
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statusesDictionary = self.statusesTable.existingStatusesForArticleIDs(articleIDs, database)
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}
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let statuses = Set(statusesDictionary.values)
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DispatchQueue.main.async {
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completion(.success(statuses))
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}
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return
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}
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var statusesDictionary = [String: ArticleStatus]()
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if createIfNeeded {
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statusesDictionary = self.statusesTable.ensureStatusesForArticleIDs(articleIDs, false, database)
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}
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else {
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statusesDictionary = self.statusesTable.existingStatusesForArticleIDs(articleIDs, database)
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}
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let statuses = Set(statusesDictionary.values)
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DispatchQueue.main.async {
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completion(.success(statuses))
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switch databaseResult {
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case .success(let database):
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makeDatabaseCalls(database)
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case .failure(let databaseError):
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DispatchQueue.main.async {
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completion(.failure(databaseError))
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}
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}
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}
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}
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@ -281,20 +296,25 @@ final class ArticlesTable: DatabaseTable {
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}
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queue.runInDatabase { databaseResult in
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guard let database = databaseResult.database else {
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DispatchQueue.main.async {
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completion(.failure(databaseResult.error!))
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func makeDatabaseCalls(_ database: FMDatabase) {
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var unreadCountDictionary = UnreadCountDictionary()
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for webFeedID in webFeedIDs {
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unreadCountDictionary[webFeedID] = self.fetchUnreadCount(webFeedID, database)
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}
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DispatchQueue.main.async {
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completion(.success(unreadCountDictionary))
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}
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return
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}
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var unreadCountDictionary = UnreadCountDictionary()
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for webFeedID in webFeedIDs {
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unreadCountDictionary[webFeedID] = self.fetchUnreadCount(webFeedID, database)
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}
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DispatchQueue.main.async {
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completion(.success(unreadCountDictionary))
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switch databaseResult {
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case .success(let database):
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makeDatabaseCalls(database)
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case .failure(let databaseError):
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DispatchQueue.main.async {
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completion(.failure(databaseError))
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}
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}
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}
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}
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@ -307,25 +327,30 @@ final class ArticlesTable: DatabaseTable {
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}
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queue.runInDatabase { databaseResult in
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guard let database = databaseResult.database else {
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func makeDatabaseCalls(_ database: FMDatabase) {
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let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(webFeedIDs.count))!
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let sql = "select count(*) from articles natural join statuses where feedID in \(placeholders) and (datePublished > ? or (datePublished is null and dateArrived > ?)) and read=0 and userDeleted=0;"
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var parameters = [Any]()
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parameters += Array(webFeedIDs) as [Any]
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parameters += [since] as [Any]
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parameters += [since] as [Any]
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let unreadCount = self.numberWithSQLAndParameters(sql, parameters, in: database)
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DispatchQueue.main.async {
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completion(.failure(databaseResult.error!))
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completion(.success(unreadCount))
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}
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return
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}
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let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(webFeedIDs.count))!
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let sql = "select count(*) from articles natural join statuses where feedID in \(placeholders) and (datePublished > ? or (datePublished is null and dateArrived > ?)) and read=0 and userDeleted=0;"
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var parameters = [Any]()
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parameters += Array(webFeedIDs) as [Any]
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parameters += [since] as [Any]
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parameters += [since] as [Any]
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let unreadCount = self.numberWithSQLAndParameters(sql, parameters, in: database)
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DispatchQueue.main.async {
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completion(.success(unreadCount))
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switch databaseResult {
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case .success(let database):
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makeDatabaseCalls(database)
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case .failure(let databaseError):
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DispatchQueue.main.async {
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completion(.failure(databaseError))
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}
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}
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}
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}
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@ -335,32 +360,37 @@ final class ArticlesTable: DatabaseTable {
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let cutoffDate = articleCutoffDate
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queue.runInDatabase { databaseResult in
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guard let database = databaseResult.database else {
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func makeDatabaseCalls(_ database: FMDatabase) {
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let sql = "select distinct feedID, count(*) from articles natural join statuses where read=0 and userDeleted=0 and (starred=1 or (datePublished > ? or (datePublished is null and dateArrived > ?))) group by feedID;"
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guard let resultSet = database.executeQuery(sql, withArgumentsIn: [cutoffDate, cutoffDate]) else {
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DispatchQueue.main.async {
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completion(.success(UnreadCountDictionary()))
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}
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return
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}
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var d = UnreadCountDictionary()
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while resultSet.next() {
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let unreadCount = resultSet.long(forColumnIndex: 1)
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if let webFeedID = resultSet.string(forColumnIndex: 0) {
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d[webFeedID] = unreadCount
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}
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}
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DispatchQueue.main.async {
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completion(.failure(databaseResult.error!))
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completion(.success(d))
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}
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return
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}
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let sql = "select distinct feedID, count(*) from articles natural join statuses where read=0 and userDeleted=0 and (starred=1 or (datePublished > ? or (datePublished is null and dateArrived > ?))) group by feedID;"
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guard let resultSet = database.executeQuery(sql, withArgumentsIn: [cutoffDate, cutoffDate]) else {
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switch databaseResult {
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case .success(let database):
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makeDatabaseCalls(database)
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case .failure(let databaseError):
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DispatchQueue.main.async {
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completion(.success(UnreadCountDictionary()))
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completion(.failure(databaseError))
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}
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return
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}
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var d = UnreadCountDictionary()
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while resultSet.next() {
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let unreadCount = resultSet.long(forColumnIndex: 1)
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if let webFeedID = resultSet.string(forColumnIndex: 0) {
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d[webFeedID] = unreadCount
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}
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}
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DispatchQueue.main.async {
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completion(.success(d))
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}
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}
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}
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@ -372,21 +402,26 @@ final class ArticlesTable: DatabaseTable {
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}
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queue.runInDatabase { databaseResult in
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guard let database = databaseResult.database else {
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func makeDatabaseCalls(_ database: FMDatabase) {
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let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(webFeedIDs.count))!
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let sql = "select count(*) from articles natural join statuses where feedID in \(placeholders) and read=0 and starred=1 and userDeleted=0;"
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let parameters = Array(webFeedIDs) as [Any]
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let unreadCount = self.numberWithSQLAndParameters(sql, parameters, in: database)
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DispatchQueue.main.async {
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completion(.failure(databaseResult.error!))
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completion(.success(unreadCount))
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}
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return
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}
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let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(webFeedIDs.count))!
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let sql = "select count(*) from articles natural join statuses where feedID in \(placeholders) and read=0 and starred=1 and userDeleted=0;"
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let parameters = Array(webFeedIDs) as [Any]
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let unreadCount = self.numberWithSQLAndParameters(sql, parameters, in: database)
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DispatchQueue.main.async {
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completion(.success(unreadCount))
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switch databaseResult {
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case .success(let database):
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makeDatabaseCalls(database)
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case .failure(let databaseError):
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DispatchQueue.main.async {
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completion(.failure(databaseError))
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}
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}
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}
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}
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@ -431,21 +466,25 @@ final class ArticlesTable: DatabaseTable {
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func indexUnindexedArticles() {
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queue.runInDatabase { databaseResult in
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guard let database = databaseResult.database else {
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return
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}
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let sql = "select articleID from articles where searchRowID is null limit 500;"
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guard let resultSet = database.executeQuery(sql, withArgumentsIn: nil) else {
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return
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}
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let articleIDs = resultSet.mapToSet{ $0.string(forColumn: DatabaseKey.articleID) }
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if articleIDs.isEmpty {
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return
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}
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self.searchTable.ensureIndexedArticles(articleIDs, database)
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DispatchQueue.main.async {
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self.indexUnindexedArticles()
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func makeDatabaseCalls(_ database: FMDatabase) {
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let sql = "select articleID from articles where searchRowID is null limit 500;"
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guard let resultSet = database.executeQuery(sql, withArgumentsIn: nil) else {
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return
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}
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let articleIDs = resultSet.mapToSet{ $0.string(forColumn: DatabaseKey.articleID) }
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if articleIDs.isEmpty {
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return
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}
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self.searchTable.ensureIndexedArticles(articleIDs, database)
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DispatchQueue.main.async {
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self.indexUnindexedArticles()
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}
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}
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if let database = databaseResult.database {
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makeDatabaseCalls(database)
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}
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}
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}
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@ -468,22 +507,25 @@ final class ArticlesTable: DatabaseTable {
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return
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}
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queue.runInDatabase { databaseResult in
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guard let database = databaseResult.database else {
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return
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func makeDatabaseCalls(_ database: FMDatabase) {
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let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(webFeedIDs.count))!
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let sql = "select articleID from articles where feedID not in \(placeholders);"
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let parameters = Array(webFeedIDs) as [Any]
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guard let resultSet = database.executeQuery(sql, withArgumentsIn: parameters) else {
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return
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}
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let articleIDs = resultSet.mapToSet{ $0.string(forColumn: DatabaseKey.articleID) }
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if articleIDs.isEmpty {
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return
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}
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self.removeArticles(articleIDs, database)
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self.statusesTable.removeStatuses(articleIDs, database)
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}
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let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(webFeedIDs.count))!
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let sql = "select articleID from articles where feedID not in \(placeholders);"
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let parameters = Array(webFeedIDs) as [Any]
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guard let resultSet = database.executeQuery(sql, withArgumentsIn: parameters) else {
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return
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if let database = databaseResult.database {
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makeDatabaseCalls(database)
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}
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let articleIDs = resultSet.mapToSet{ $0.string(forColumn: DatabaseKey.articleID) }
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if articleIDs.isEmpty {
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return
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}
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self.removeArticles(articleIDs, database)
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self.statusesTable.removeStatuses(articleIDs, database)
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}
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}
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}
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@ -513,16 +555,17 @@ private extension ArticlesTable {
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private func fetchArticlesAsync(_ fetchMethod: @escaping ArticlesFetchMethod, _ completion: @escaping ArticleSetResultBlock) {
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queue.runInDatabase { databaseResult in
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guard let database = databaseResult.database else {
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DispatchQueue.main.async {
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completion(.failure(databaseResult.error!))
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}
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return
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}
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let articles = fetchMethod(database)
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DispatchQueue.main.async {
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completion(.success(articles))
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switch databaseResult {
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case .success(let database):
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let articles = fetchMethod(database)
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DispatchQueue.main.async {
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completion(.success(articles))
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}
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case .failure(let databaseError):
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DispatchQueue.main.async {
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completion(.failure(databaseError))
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}
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}
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}
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}
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@ -682,33 +725,38 @@ private extension ArticlesTable {
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}
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||||
|
||||
queue.runInDatabase { databaseResult in
|
||||
guard let database = databaseResult.database else {
|
||||
DispatchQueue.main.async {
|
||||
completion(.failure(databaseResult.error!))
|
||||
|
||||
func makeDatabaseCalls(_ database: FMDatabase) {
|
||||
let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(webFeedIDs.count))!
|
||||
var sql = "select articleID from articles natural join statuses where feedID in \(placeholders) and \(statusKey.rawValue)="
|
||||
sql += value ? "1" : "0"
|
||||
if statusKey != .userDeleted {
|
||||
sql += " and userDeleted=0"
|
||||
}
|
||||
return
|
||||
}
|
||||
sql += ";"
|
||||
|
||||
let placeholders = NSString.rs_SQLValueList(withPlaceholders: UInt(webFeedIDs.count))!
|
||||
var sql = "select articleID from articles natural join statuses where feedID in \(placeholders) and \(statusKey.rawValue)="
|
||||
sql += value ? "1" : "0"
|
||||
if statusKey != .userDeleted {
|
||||
sql += " and userDeleted=0"
|
||||
}
|
||||
sql += ";"
|
||||
let parameters = Array(webFeedIDs) as [Any]
|
||||
|
||||
let parameters = Array(webFeedIDs) as [Any]
|
||||
|
||||
guard let resultSet = database.executeQuery(sql, withArgumentsIn: parameters) else {
|
||||
DispatchQueue.main.async {
|
||||
completion(.success(Set<String>()))
|
||||
guard let resultSet = database.executeQuery(sql, withArgumentsIn: parameters) else {
|
||||
DispatchQueue.main.async {
|
||||
completion(.success(Set<String>()))
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
let articleIDs = resultSet.mapToSet{ $0.string(forColumnIndex: 0) }
|
||||
DispatchQueue.main.async {
|
||||
completion(.success(articleIDs))
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
let articleIDs = resultSet.mapToSet{ $0.string(forColumnIndex: 0) }
|
||||
DispatchQueue.main.async {
|
||||
completion(.success(articleIDs))
|
||||
switch databaseResult {
|
||||
case .success(let database):
|
||||
makeDatabaseCalls(database)
|
||||
case .failure(let databaseError):
|
||||
DispatchQueue.main.async {
|
||||
completion(.failure(databaseError))
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue