Adjust translation provider source

NextcloudTalk/BaseChatViewController.swift

@@ -969,7 +969,8 @@
     }
 
     func didPressTranslate(for message: NCChatMessage) {
-        let translateMessageVC = MessageTranslationViewController(message: message.parsedMessage().string, availableTranslations: NCSettingsController.sharedInstance().availableTranslations())
+        let activeAccount = NCDatabaseManager.sharedInstance().activeAccount()
+        let translateMessageVC = MessageTranslationViewController(message: message.parsedMessage().string, availableTranslations: NCDatabaseManager.sharedInstance().availableTranslations(forAccountId: activeAccount.accountId))
         self.presentWithNavigation(translateMessageVC, animated: true)
     }
 
@@ -2354,7 +2355,7 @@
             return super.numberOfSections(in: tableView)
         }
 
         // TODO: There should be a better place to do this
         if tableView == self.tableView, !self.dateSections.isEmpty {
             tableView.backgroundView = nil
         } else {
@@ -2746,7 +2747,7 @@
         let maxPreviewWidth = self.view.bounds.size.width - self.view.safeAreaInsets.left - self.view.safeAreaInsets.right
         let maxPreviewHeight = self.view.bounds.size.height * 0.6
 
         // TODO: Take padding into account
         let maxTextWidth = maxPreviewWidth - kChatCellAvatarHeight
 
         // We need to get the height of the original cell to center the preview correctly (as the preview is always non-grouped)

NextcloudTalk/ChatViewController.swift

@@ -1467,6 +1467,7 @@ import UIKit
         }
 
         var actions: [UIMenuElement] = []
+        let activeAccount = NCDatabaseManager.sharedInstance().activeAccount()
         let hasChatPermissions = !NCDatabaseManager.sharedInstance().serverHasTalkCapability(kCapabilityChatPermission) || (self.room.permissions & NCPermission.chat.rawValue) != 0
 
         // Reply option
@@ -1477,7 +1478,6 @@ import UIKit
         }
 
         // Reply-privately option (only to other users and not in one-to-one)
-        let activeAccount = NCDatabaseManager.sharedInstance().activeAccount()
         if self.isMessageReplyable(message: message), self.room.type != kNCRoomTypeOneToOne, message.actorType == "users", message.actorId != activeAccount.userId {
             actions.append(UIAction(title: NSLocalizedString("Reply privately", comment: ""), image: .init(systemName: "person")) { _ in
                 self.didPressReplyPrivately(for: message)
@@ -1553,7 +1553,7 @@ import UIKit
         })
 
         // Translate
-        if !self.offlineMode, !NCSettingsController.sharedInstance().availableTranslations().isEmpty {
+        if !self.offlineMode, NCDatabaseManager.sharedInstance().hasAvailableTranslations(forAccountId: activeAccount.accountId) {
             actions.append(UIAction(title: NSLocalizedString("Translate", comment: ""), image: .init(systemName: "character.book.closed")) { _ in
                 self.didPressTranslate(for: message)
             })

NextcloudTalk/MessageTranslationViewController.swift

@@ -103,13 +103,31 @@ import UIKit
 
     override func viewWillAppear(_ animated: Bool) {
         if !didTriggerInitialTranslation {
+            self.setTranslatingUI()
+            self.didTriggerInitialTranslation = true
             self.configureFromButton(title: NSLocalizedString("Detecting language", comment: ""), enabled: false)
             self.configureToButton(title: initialToLanguage(), enabled: false, fromLanguageCode: "")
-
             self.adjustOriginalTextViewSizeToViewSize(size: self.view.bounds.size)
 
-            self.didTriggerInitialTranslation = true
-            self.translateOriginalText(from: "", to: userLanguageCode ?? "")
+            if NCDatabaseManager.sharedInstance().hasTranslationProviders(forAccountId: activeAccount?.accountId ?? "") {
+                NCAPIController.sharedInstance().getAvailableTranslations(for: activeAccount) { languages, languageDetection, error, _ in
+                    if let translations = languages as? [NCTranslation], error == nil {
+                        self.availableTranslations = translations
+                        if languageDetection {
+                            self.translateOriginalText(from: "", to: self.userLanguageCode ?? "")
+                        } else {
+                            self.configureFromButton(title: nil, enabled: true)
+                            self.configureToButton(title: nil, enabled: false, fromLanguageCode: "")
+                            self.removeTranslatingUI()
+                        }
+                    } else {
+                        self.showTranslationError(message: NSLocalizedString("Could not get available languages", comment: ""))
+                        self.removeTranslatingUI()
+                    }
+                }
+            } else {
+                self.translateOriginalText(from: "", to: userLanguageCode ?? "")
+            }
         }
     }
 

NextcloudTalk/NCAPIController.h

@@ -73,6 +73,7 @@ typedef void (^ClearChatHistoryCompletionBlock)(NSDictionary *messageDict, NSErr
 typedef void (^GetSharedItemsOverviewCompletionBlock)(NSDictionary *sharedItemsOverview, NSError *error, NSInteger statusCode);
 typedef void (^GetSharedItemsCompletionBlock)(NSArray *sharedItems, NSInteger lastKnownMessage, NSError *error, NSInteger statusCode);
 
+typedef void (^GetTranslationsCompletionBlock)(NSArray *languages, BOOL languageDetection, NSError *error, NSInteger statusCode);
 typedef void (^MessageTranslationCompletionBlock)(NSDictionary *translationDict, NSError *error, NSInteger statusCode);
 
 typedef void (^MessageReactionCompletionBlock)(NSDictionary *reactionsDict, NSError *error, NSInteger statusCode);
@@ -225,6 +226,7 @@ extern NSInteger const kReceivedChatMessagesLimit;
 - (NSURLSessionDataTask *)getSharedItemsOfType:(NSString *)objectType fromLastMessageId:(NSInteger)messageId withLimit:(NSInteger)limit inRoom:(NSString *)token forAccount:(TalkAccount *)account withCompletionBlock:(GetSharedItemsCompletionBlock)block;
 
 // Translations
+- (NSURLSessionDataTask *)getAvailableTranslationsForAccount:(TalkAccount *)account withCompletionBlock:(GetTranslationsCompletionBlock)block;
 - (NSURLSessionDataTask *)translateMessage:(NSString *)message from:(NSString *)from to:(NSString *)to forAccount:(TalkAccount *)account withCompletionBlock:(MessageTranslationCompletionBlock)block;
 
 // Reactions Controller

NextcloudTalk/NCAPIController.m

@@ -1638,6 +1638,30 @@ - (NSURLSessionDataTask *)getSharedItemsOfType:(NSString *)objectType fromLastMe
 
 #pragma mark - Translations Controller
 
+- (NSURLSessionDataTask *)getAvailableTranslationsForAccount:(TalkAccount *)account withCompletionBlock:(GetTranslationsCompletionBlock)block
+{
+    NSString *URLString = [NSString stringWithFormat:@"%@/ocs/v2.php/translation/languages", account.server];
+    NCAPISessionManager *apiSessionManager = [_apiSessionManagers objectForKey:account.accountId];
+    NSURLSessionDataTask *task = [apiSessionManager GET:URLString parameters:nil progress:nil success:^(NSURLSessionDataTask * _Nonnull task, id  _Nullable responseObject) {
+        NSDictionary *translationDict = [[responseObject objectForKey:@"ocs"] objectForKey:@"data"];
+        if (block) {
+            NSHTTPURLResponse *httpResponse = (NSHTTPURLResponse *)task.response;
+            NSArray *translations = [[NCDatabaseManager sharedInstance] translationsFromTranslationsArray:[translationDict objectForKey:@"languages"]];
+            BOOL languageDetection = [translationDict objectForKey:@"languageDetection"];
+            block(translations, languageDetection, nil, httpResponse.statusCode);
+        }
+    } failure:^(NSURLSessionDataTask * _Nullable task, NSError * _Nonnull error) {
+        NSInteger statusCode = [self getResponseStatusCode:task.response];
+        [self checkResponseStatusCode:statusCode forAccount:account];
+        NSDictionary *failureDict = [[[self getFailureResponseObjectFromError:error] objectForKey:@"ocs"] objectForKey:@"data"];
+        if (block) {
+            block(@[], NO, error, statusCode);
+        }
+    }];
+
+    return task;
+}
+
 - (NSURLSessionDataTask *)translateMessage:(NSString *)message from:(NSString *)from to:(NSString *)to forAccount:(TalkAccount *)account withCompletionBlock:(MessageTranslationCompletionBlock)block
 {
     NSString *URLString = [NSString stringWithFormat:@"%@/ocs/v2.php/translation/translate", account.server];

NextcloudTalk/NCDatabaseManager.h

@@ -84,6 +84,13 @@ extern NSString * const kNotificationsCapabilityExists;
 
 extern NSString * const kMinimumRequiredTalkCapability;
 
+@interface NCTranslation : NSObject
+@property (nonatomic, copy) NSString *from;
+@property (nonatomic, copy) NSString *fromLabel;
+@property (nonatomic, copy) NSString *to;
+@property (nonatomic, copy) NSString *toLabel;
+@end
+
 @interface NCDatabaseManager : NSObject
 
 + (instancetype)sharedInstance;
@@ -115,6 +122,11 @@ extern NSString * const kMinimumRequiredTalkCapability;
 - (BOOL)serverHasNotificationsCapability:(NSString *)capability forAccountId:(NSString *)accountId;
 - (void)setExternalSignalingServerVersion:(NSString *)version forAccountId:(NSString *)accountId;
 
+- (BOOL)hasAvailableTranslationsForAccountId:(NSString *)accountId;
+- (BOOL)hasTranslationProvidersForAccountId:(NSString *)accountId;
+- (NSArray<NCTranslation *> *)availableTranslationsForAccountId:(NSString *)accountId;
+- (NSArray *)translationsFromTranslationsArray:(NSArray *)translations;
+
 @end
 
 NS_ASSUME_NONNULL_END

NextcloudTalk/NCDatabaseManager.m

@@ -33,7 +33,7 @@
 
 NSString *const kTalkDatabaseFolder                 = @"Library/Application Support/Talk";
 NSString *const kTalkDatabaseFileName               = @"talk.realm";
-uint64_t const kTalkDatabaseSchemaVersion           = 54;
+uint64_t const kTalkDatabaseSchemaVersion           = 55;
 
 NSString * const kCapabilitySystemMessages          = @"system-messages";
 NSString * const kCapabilityNotificationLevels      = @"notification-levels";
@@ -88,6 +88,10 @@
 
 NSString * const kMinimumRequiredTalkCapability     = kCapabilitySystemMessages; // Talk 4.0 is the minimum required version
 
+@implementation NCTranslation
+
+@end
+
 @implementation NCDatabaseManager
 
 + (NCDatabaseManager *)sharedInstance
@@ -385,6 +389,7 @@ - (void)setServerCapabilities:(NSDictionary *)serverCapabilities forAccountId:(N
     capabilities.userStatus = [[userStatusCaps objectForKey:@"enabled"] boolValue];
     capabilities.extendedSupport = [[version objectForKey:@"extendedSupport"] boolValue];
     capabilities.talkCapabilities = [talkCaps objectForKey:@"features"];
+    capabilities.hasTranslationProviders = [[[[talkCaps objectForKey:@"config"] objectForKey:@"chat"] objectForKey:@"has-translation-providers"] boolValue];
     capabilities.attachmentsAllowed = [[[[talkCaps objectForKey:@"config"] objectForKey:@"attachments"] objectForKey:@"allowed"] boolValue];
     capabilities.attachmentsFolder = [[[talkCaps objectForKey:@"config"] objectForKey:@"attachments"] objectForKey:@"folder"];
     capabilities.accountPropertyScopesVersion2 = [[provisioningAPICaps objectForKey:@"AccountPropertyScopesVersion"] integerValue] == 2;
@@ -502,4 +507,58 @@ - (void)setExternalSignalingServerVersion:(NSString *)version forAccountId:(NSSt
     }];
 }
 
+- (BOOL)hasAvailableTranslationsForAccountId:(NSString *)accountId
+{
+    return [self hasTranslationProvidersForAccountId:accountId] || [self availableTranslationsForAccountId:accountId].count > 0;
+}
+
+- (BOOL)hasTranslationProvidersForAccountId:(NSString *)accountId
+{
+    ServerCapabilities *serverCapabilities  = [self serverCapabilitiesForAccountId:accountId];
+
+    return serverCapabilities.hasTranslationProviders;
+}
+
+- (NSArray *)availableTranslationsForAccountId:(NSString *)accountId
+{
+    ServerCapabilities *serverCapabilities  = [self serverCapabilitiesForAccountId:accountId];
+    if (serverCapabilities) {
+        NSArray *translations = [self translationsArrayFromTranslationsJSONString:serverCapabilities.translations];
+        return [self translationsFromTranslationsArray:translations];
+    }
+    return @[];
+}
+
+- (NSArray *)translationsArrayFromTranslationsJSONString:(NSString *)translations
+{
+    NSArray *translationsArray = @[];
+    NSData *data = [translations dataUsingEncoding:NSUTF8StringEncoding];
+    if (data) {
+        NSError* error;
+        NSArray* jsonData = [NSJSONSerialization JSONObjectWithData:data
+                                                            options:0
+                                                              error:&error];
+        if (jsonData) {
+            translationsArray = jsonData;
+        } else {
+            NSLog(@"Error retrieving translations JSON data: %@", error);
+        }
+    }
+    return translationsArray;
+}
+
+- (NSArray *)translationsFromTranslationsArray:(NSArray *)translations
+{
+    NSMutableArray *availableTranslations = [NSMutableArray new];
+    for (NSDictionary *translationDict in translations) {
+        NCTranslation *translation = [[NCTranslation alloc] init];
+        translation.from = [translationDict objectForKey:@"from"];
+        translation.fromLabel = [translationDict objectForKey:@"fromLabel"];
+        translation.to = [translationDict objectForKey:@"to"];
+        translation.toLabel = [translationDict objectForKey:@"toLabel"];
+        [availableTranslations addObject:translation];
+    }
+    return availableTranslations;
+}
+
 @end

NextcloudTalk/NCSettingsController.h

@@ -57,15 +57,6 @@ typedef enum NCPreferredFileSorting {
     NCModificationDateSorting
 } NCPreferredFileSorting;
 
-@interface NCTranslation : NSObject
-
-@property (nonatomic, copy) NSString *from;
-@property (nonatomic, copy) NSString *fromLabel;
-@property (nonatomic, copy) NSString *to;
-@property (nonatomic, copy) NSString *toLabel;
-
-@end
-
 @class NCExternalSignalingController;
 
 @interface NCSettingsController : NSObject
@@ -90,7 +81,6 @@ typedef enum NCPreferredFileSorting {
 - (void)disconnectAllExternalSignalingControllers;
 - (void)subscribeForPushNotificationsForAccountId:(NSString *)accountId withCompletionBlock:(SubscribeForPushNotificationsCompletionBlock)block;
 - (NSInteger)chatMaxLengthConfigCapability;
-- (NSArray<NCTranslation *> *)availableTranslations;
 - (BOOL)canCreateGroupAndPublicRooms;
 - (BOOL)callsEnabledCapability;
 - (BOOL)isGuestsAppEnabled;

NextcloudTalk/NCSettingsController.m

@@ -60,10 +60,6 @@ @implementation NCPushNotificationKeyPair
 
 @end
 
-@implementation NCTranslation
-
-@end
-
 
 @implementation NCSettingsController
 
@@ -650,44 +646,6 @@ - (NSInteger)chatMaxLengthConfigCapability
     return kDefaultChatMaxLength;
 }
 
-- (NSArray<NCTranslation *> *)availableTranslations
-{
-    TalkAccount *activeAccount = [[NCDatabaseManager sharedInstance] activeAccount];
-    ServerCapabilities *serverCapabilities  = [[NCDatabaseManager sharedInstance] serverCapabilitiesForAccountId:activeAccount.accountId];
-    NSMutableArray *availableTranslations = [NSMutableArray new];
-    if (serverCapabilities) {
-        NSArray *translations = [self translationsArrayFromTranslations:serverCapabilities.translations];
-        for (NSDictionary *translationDict in translations) {
-            NCTranslation *translation = [[NCTranslation alloc] init];
-            translation.from = [translationDict objectForKey:@"from"];
-            translation.fromLabel = [translationDict objectForKey:@"fromLabel"];
-            translation.to = [translationDict objectForKey:@"to"];
-            translation.toLabel = [translationDict objectForKey:@"toLabel"];
-            [availableTranslations addObject:translation];
-        }
-        return availableTranslations;
-    }
-    return @[];
-}
-
-- (NSArray *)translationsArrayFromTranslations:(NSString *)translations
-{
-    NSArray *translationsArray = @[];
-    NSData *data = [translations dataUsingEncoding:NSUTF8StringEncoding];
-    if (data) {
-        NSError* error;
-        NSArray* jsonData = [NSJSONSerialization JSONObjectWithData:data
-                                                            options:0
-                                                              error:&error];
-        if (jsonData) {
-            translationsArray = jsonData;
-        } else {
-            NSLog(@"Error retrieving reactions JSON data: %@", error);
-        }
-    }
-    return translationsArray;
-}
-
 - (BOOL)canCreateGroupAndPublicRooms
 {
     TalkAccount *activeAccount = [[NCDatabaseManager sharedInstance] activeAccount];

NextcloudTalk/ServerCapabilities.h

@@ -50,6 +50,7 @@ NS_ASSUME_NONNULL_BEGIN
 @property RLMArray<RLMString> *talkCapabilities;
 @property NSInteger chatMaxLength;
 @property NSString *translations;
+@property BOOL hasTranslationProviders;
 @property BOOL canCreate;
 @property BOOL attachmentsAllowed;
 @property NSString *attachmentsFolder;

NextcloudTalk/en.lproj/Localizable.strings

@@ -517,6 +517,9 @@
 /* No comment provided by engineer. */
 "Could not delete conversation" = "Could not delete conversation";
 
+/* No comment provided by engineer. */
+"Could not get available languages" = "Could not get available languages";
+
 /* No comment provided by engineer. */
 "Could not join %@ call" = "Could not join %@ call";