commit eb55d1055b34b9cdc1984534623bc63f07b3e070 · bretton.dev/coves-mobile

+11

lib/main.dart

···

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       import 'screens/home/main_shell_screen.dart';

     

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       import 'screens/home/post_detail_screen.dart';

     

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       import 'screens/landing_screen.dart';

     

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       import 'services/streamable_service.dart';

     

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       import 'services/vote_service.dart';

     

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       import 'widgets/loading_error_states.dart';

     
···

       44
        
           signOutHandler: authProvider.signOut,

     

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         );

     

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         runApp(

     

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           MultiProvider(

     

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             providers: [

     
···

       79
        
                     (context) => CommentsProvider(

     

       80
        
                       authProvider,

     

       81
        
                       voteProvider: context.read<VoteProvider>(),

     

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       82
        
                     ),

     

       83
        
                 update: (context, auth, vote, previous) {

     

       84
        
                   // Reuse existing provider to maintain state across rebuilds

     
···

       86
        
                       CommentsProvider(

     

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                         auth,

     

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                         voteProvider: vote,

     

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                       );

     

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                 },

     

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               ),

···

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       import 'screens/home/main_shell_screen.dart';

     

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       import 'screens/home/post_detail_screen.dart';

     

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       import 'screens/landing_screen.dart';

     

       18
       +
       import 'services/comment_service.dart';

     

       19
        
       import 'services/streamable_service.dart';

     

       20
        
       import 'services/vote_service.dart';

     

       21
        
       import 'widgets/loading_error_states.dart';

     
···

       45
        
           signOutHandler: authProvider.signOut,

     

       46
        
         );

     

       47
        
       

     

       48
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         // Initialize comment service with auth callbacks

     

       49
       +
         // Comments go through the Coves backend (which proxies to PDS with DPoP)

     

       50
       +
         final commentService = CommentService(

     

       51
       +
           sessionGetter: () async => authProvider.session,

     

       52
       +
           tokenRefresher: authProvider.refreshToken,

     

       53
       +
           signOutHandler: authProvider.signOut,

     

       54
       +
         );

     

       55
       +
       

     

       56
        
         runApp(

     

       57
        
           MultiProvider(

     

       58
        
             providers: [

     
···

       88
        
                     (context) => CommentsProvider(

     

       89
        
                       authProvider,

     

       90
        
                       voteProvider: context.read<VoteProvider>(),

     

       91
       +
                       commentService: commentService,

     

       92
        
                     ),

     

       93
        
                 update: (context, auth, vote, previous) {

     

       94
        
                   // Reuse existing provider to maintain state across rebuilds

     
···

       96
        
                       CommentsProvider(

     

       97
        
                         auth,

     

       98
        
                         voteProvider: vote,

     

       99
       +
                         commentService: commentService,

     

       100
        
                       );

     

       101
        
                 },

     

       102
        
               ),

+128 -11

lib/providers/comments_provider.dart

···

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       import 'dart:async' show Timer, unawaited;

     

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       import 'package:flutter/foundation.dart';

     

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       import '../models/comment.dart';

     

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       import '../services/coves_api_service.dart';

     

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       import 'auth_provider.dart';

     

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       import 'vote_provider.dart';

     
···

       19
        
           this._authProvider, {

     

       20
        
           CovesApiService? apiService,

     

       21
        
           VoteProvider? voteProvider,

     

       22
       -
         }) : _voteProvider = voteProvider {

     

       0
        
       
     

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       23
        
           // Use injected service (for testing) or create new one (for production)

     

       24
        
           // Pass token getter, refresh handler, and sign out handler to API service

     

       25
        
           // for automatic fresh token retrieval and automatic token refresh on 401

     
···

       38
        
           _authProvider.addListener(_onAuthChanged);

     

       39
        
         }

     

       40
        
       

     

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         /// Handle authentication state changes

     

       42
        
         ///

     

       43
        
         /// Clears comment state when user signs out to prevent privacy issues.

     
···

       59
        
         final AuthProvider _authProvider;

     

       60
        
         late final CovesApiService _apiService;

     

       61
        
         final VoteProvider? _voteProvider;

     

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       62
        
       

     

       63
        
         // Track previous auth state to detect transitions

     

       64
        
         bool _wasAuthenticated = false;

     
···

       71
        
         String? _cursor;

     

       72
        
         bool _hasMore = true;

     

       73
        
       

     

       74
       -
         // Current post URI being viewed

     

       75
        
         String? _postUri;

     

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       76
        
       

     

       77
        
         // Comment configuration

     

       78
        
         String _sort = 'hot';

     
···

       131
        
         }

     

       132
        
       

     

       133
        
         /// Load comments for a specific post

     

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       134
        
         Future<void> loadComments({

     

       135
        
           required String postUri,

     

       0
        
       
     

       136
        
           bool refresh = false,

     

       137
        
         }) async {

     

       138
        
           // If loading for a different post, reset state

     

       139
        
           if (postUri != _postUri) {

     

       140
        
             reset();

     

       141
        
             _postUri = postUri;

     

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           }

     

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       144
        
           // If already loading, schedule a refresh to happen after current load

     
···

       225
        
               _pendingRefresh = false;

     

       226
        
               // Schedule refresh without awaiting to avoid blocking

     

       227
        
               // This is intentional - we want the refresh to happen asynchronously

     

       228
       -
               unawaited(loadComments(postUri: _postUri!, refresh: true));

     

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       229
        
             }

     

       230
        
           }

     

       231
        
         }

     
···

       234
        
         ///

     

       235
        
         /// Reloads comments from the beginning for the current post.

     

       236
        
         Future<void> refreshComments() async {

     

       237
       -
           if (_postUri == null) {

     

       238
        
             if (kDebugMode) {

     

       239
        
               debugPrint('⚠️ Cannot refresh - no post loaded');

     

       240
        
             }

     

       241
        
             return;

     

       242
        
           }

     

       243
       -
           await loadComments(postUri: _postUri!, refresh: true);

     

       244
        
         }

     

       245
        
       

     

       246
        
         /// Load more comments (pagination)

     

       247
        
         Future<void> loadMoreComments() async {

     

       248
       -
           if (!_hasMore || _isLoadingMore || _postUri == null) {

     

       249
        
             return;

     

       250
        
           }

     

       251
       -
           await loadComments(postUri: _postUri!);

     

       252
        
         }

     

       253
        
       

     

       254
        
         /// Change sort order

     
···

       268
        
           notifyListeners();

     

       269
        
       

     

       270
        
           // Reload comments with new sort

     

       271
       -
           if (_postUri != null) {

     

       272
        
             try {

     

       273
       -
               await loadComments(postUri: _postUri!, refresh: true);

     

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       274
        
               return true;

     

       275
        
             } on Exception catch (e) {

     

       276
        
               // Revert to previous sort option on failure

     
···

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           }

     

       334
        
         }

     

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       336
        
         /// Initialize vote state for a comment and its replies recursively

     

       337
        
         ///

     

       338
        
         /// Extracts viewer vote data from comment and initializes VoteProvider state.

     
···

       356
        
         /// Retry loading after error

     

       357
        
         Future<void> retry() async {

     

       358
        
           _error = null;

     

       359
       -
           if (_postUri != null) {

     

       360
       -
             await loadComments(postUri: _postUri!, refresh: true);

     

       361
        
           }

     

       362
        
         }

     

       363
        
       

     
···

       376
        
           _isLoading = false;

     

       377
        
           _isLoadingMore = false;

     

       378
        
           _postUri = null;

     

       0
        
       
     

       379
        
           _pendingRefresh = false;

     

       380
        
           notifyListeners();

     

       381
        
         }

···

       1
        
       import 'dart:async' show Timer, unawaited;

     

       2
        
       

     

       3
       +
       import 'package:characters/characters.dart';

     

       4
        
       import 'package:flutter/foundation.dart';

     

       5
        
       import '../models/comment.dart';

     

       6
       +
       import '../services/api_exceptions.dart';

     

       7
       +
       import '../services/comment_service.dart';

     

       8
        
       import '../services/coves_api_service.dart';

     

       9
        
       import 'auth_provider.dart';

     

       10
        
       import 'vote_provider.dart';

     
···

       22
        
           this._authProvider, {

     

       23
        
           CovesApiService? apiService,

     

       24
        
           VoteProvider? voteProvider,

     

       25
       +
           CommentService? commentService,

     

       26
       +
         }) : _voteProvider = voteProvider,

     

       27
       +
              _commentService = commentService {

     

       28
        
           // Use injected service (for testing) or create new one (for production)

     

       29
        
           // Pass token getter, refresh handler, and sign out handler to API service

     

       30
        
           // for automatic fresh token retrieval and automatic token refresh on 401

     
···

       43
        
           _authProvider.addListener(_onAuthChanged);

     

       44
        
         }

     

       45
        
       

     

       46
       +
         /// Maximum comment length in characters (matches backend limit)

     

       47
       +
         /// Note: This counts Unicode grapheme clusters, so emojis count correctly

     

       48
       +
         static const int maxCommentLength = 10000;

     

       49
       +
       

     

       50
        
         /// Handle authentication state changes

     

       51
        
         ///

     

       52
        
         /// Clears comment state when user signs out to prevent privacy issues.

     
···

       68
        
         final AuthProvider _authProvider;

     

       69
        
         late final CovesApiService _apiService;

     

       70
        
         final VoteProvider? _voteProvider;

     

       71
       +
         final CommentService? _commentService;

     

       72
        
       

     

       73
        
         // Track previous auth state to detect transitions

     

       74
        
         bool _wasAuthenticated = false;

     
···

       81
        
         String? _cursor;

     

       82
        
         bool _hasMore = true;

     

       83
        
       

     

       84
       +
         // Current post being viewed

     

       85
        
         String? _postUri;

     

       86
       +
         String? _postCid;

     

       87
        
       

     

       88
        
         // Comment configuration

     

       89
        
         String _sort = 'hot';

     
···

       142
        
         }

     

       143
        
       

     

       144
        
         /// Load comments for a specific post

     

       145
       +
         ///

     

       146
       +
         /// Parameters:

     

       147
       +
         /// - [postUri]: AT-URI of the post

     

       148
       +
         /// - [postCid]: CID of the post (needed for creating comments)

     

       149
       +
         /// - [refresh]: Whether to refresh from the beginning

     

       150
        
         Future<void> loadComments({

     

       151
        
           required String postUri,

     

       152
       +
           required String postCid,

     

       153
        
           bool refresh = false,

     

       154
        
         }) async {

     

       155
        
           // If loading for a different post, reset state

     

       156
        
           if (postUri != _postUri) {

     

       157
        
             reset();

     

       158
        
             _postUri = postUri;

     

       159
       +
             _postCid = postCid;

     

       160
        
           }

     

       161
        
       

     

       162
        
           // If already loading, schedule a refresh to happen after current load

     
···

       243
        
               _pendingRefresh = false;

     

       244
        
               // Schedule refresh without awaiting to avoid blocking

     

       245
        
               // This is intentional - we want the refresh to happen asynchronously

     

       246
       +
               unawaited(

     

       247
       +
                 loadComments(postUri: _postUri!, postCid: _postCid!, refresh: true),

     

       248
       +
               );

     

       249
        
             }

     

       250
        
           }

     

       251
        
         }

     
···

       254
        
         ///

     

       255
        
         /// Reloads comments from the beginning for the current post.

     

       256
        
         Future<void> refreshComments() async {

     

       257
       +
           if (_postUri == null || _postCid == null) {

     

       258
        
             if (kDebugMode) {

     

       259
        
               debugPrint('⚠️ Cannot refresh - no post loaded');

     

       260
        
             }

     

       261
        
             return;

     

       262
        
           }

     

       263
       +
           await loadComments(postUri: _postUri!, postCid: _postCid!, refresh: true);

     

       264
        
         }

     

       265
        
       

     

       266
        
         /// Load more comments (pagination)

     

       267
        
         Future<void> loadMoreComments() async {

     

       268
       +
           if (!_hasMore || _isLoadingMore || _postUri == null || _postCid == null) {

     

       269
        
             return;

     

       270
        
           }

     

       271
       +
           await loadComments(postUri: _postUri!, postCid: _postCid!);

     

       272
        
         }

     

       273
        
       

     

       274
        
         /// Change sort order

     
···

       288
        
           notifyListeners();

     

       289
        
       

     

       290
        
           // Reload comments with new sort

     

       291
       +
           if (_postUri != null && _postCid != null) {

     

       292
        
             try {

     

       293
       +
               await loadComments(

     

       294
       +
                 postUri: _postUri!,

     

       295
       +
                 postCid: _postCid!,

     

       296
       +
                 refresh: true,

     

       297
       +
               );

     

       298
        
               return true;

     

       299
        
             } on Exception catch (e) {

     

       300
        
               // Revert to previous sort option on failure

     
···

       357
        
           }

     

       358
        
         }

     

       359
        
       

     

       360
       +
         /// Create a comment on the current post or as a reply to another comment

     

       361
       +
         ///

     

       362
       +
         /// Parameters:

     

       363
       +
         /// - [content]: The comment text content

     

       364
       +
         /// - [parentComment]: Optional parent comment for nested replies.

     

       365
       +
         ///   If null, this is a top-level reply to the post.

     

       366
       +
         ///

     

       367
       +
         /// The reply reference structure:

     

       368
       +
         /// - Root: Always points to the original post (_postUri, _postCid)

     

       369
       +
         /// - Parent: Points to the post (top-level) or the parent comment (nested)

     

       370
       +
         ///

     

       371
       +
         /// After successful creation, refreshes the comments list.

     

       372
       +
         ///

     

       373
       +
         /// Throws:

     

       374
       +
         /// - ValidationException if content is empty or too long

     

       375
       +
         /// - ApiException if CommentService is not available or no post is loaded

     

       376
       +
         /// - ApiException for API errors

     

       377
       +
         Future<void> createComment({

     

       378
       +
           required String content,

     

       379
       +
           ThreadViewComment? parentComment,

     

       380
       +
         }) async {

     

       381
       +
           // Validate content

     

       382
       +
           final trimmedContent = content.trim();

     

       383
       +
           if (trimmedContent.isEmpty) {

     

       384
       +
             throw ValidationException('Comment cannot be empty');

     

       385
       +
           }

     

       386
       +
       

     

       387
       +
           // Use characters.length for proper Unicode/emoji counting

     

       388
       +
           final charCount = trimmedContent.characters.length;

     

       389
       +
           if (charCount > maxCommentLength) {

     

       390
       +
             throw ValidationException(

     

       391
       +
               'Comment too long ($charCount characters). '

     

       392
       +
               'Maximum is $maxCommentLength characters.',

     

       393
       +
             );

     

       394
       +
           }

     

       395
       +
       

     

       396
       +
           if (_commentService == null) {

     

       397
       +
             throw ApiException('CommentService not available');

     

       398
       +
           }

     

       399
       +
       

     

       400
       +
           if (_postUri == null || _postCid == null) {

     

       401
       +
             throw ApiException('No post loaded - cannot create comment');

     

       402
       +
           }

     

       403
       +
       

     

       404
       +
           // Root is always the original post

     

       405
       +
           final rootUri = _postUri!;

     

       406
       +
           final rootCid = _postCid!;

     

       407
       +
       

     

       408
       +
           // Parent depends on whether this is a top-level or nested reply

     

       409
       +
           final String parentUri;

     

       410
       +
           final String parentCid;

     

       411
       +
       

     

       412
       +
           if (parentComment != null) {

     

       413
       +
             // Nested reply - parent is the comment being replied to

     

       414
       +
             parentUri = parentComment.comment.uri;

     

       415
       +
             parentCid = parentComment.comment.cid;

     

       416
       +
           } else {

     

       417
       +
             // Top-level reply - parent is the post

     

       418
       +
             parentUri = rootUri;

     

       419
       +
             parentCid = rootCid;

     

       420
       +
           }

     

       421
       +
       

     

       422
       +
           if (kDebugMode) {

     

       423
       +
             debugPrint('💬 Creating comment');

     

       424
       +
             debugPrint('   Root: $rootUri');

     

       425
       +
             debugPrint('   Parent: $parentUri');

     

       426
       +
             debugPrint('   Is nested: ${parentComment != null}');

     

       427
       +
           }

     

       428
       +
       

     

       429
       +
           try {

     

       430
       +
             final response = await _commentService.createComment(

     

       431
       +
               rootUri: rootUri,

     

       432
       +
               rootCid: rootCid,

     

       433
       +
               parentUri: parentUri,

     

       434
       +
               parentCid: parentCid,

     

       435
       +
               content: trimmedContent,

     

       436
       +
             );

     

       437
       +
       

     

       438
       +
             if (kDebugMode) {

     

       439
       +
               debugPrint('✅ Comment created: ${response.uri}');

     

       440
       +
             }

     

       441
       +
       

     

       442
       +
             // Refresh comments to show the new comment

     

       443
       +
             await refreshComments();

     

       444
       +
           } on Exception catch (e) {

     

       445
       +
             if (kDebugMode) {

     

       446
       +
               debugPrint('❌ Failed to create comment: $e');

     

       447
       +
             }

     

       448
       +
             rethrow;

     

       449
       +
           }

     

       450
       +
         }

     

       451
       +
       

     

       452
        
         /// Initialize vote state for a comment and its replies recursively

     

       453
        
         ///

     

       454
        
         /// Extracts viewer vote data from comment and initializes VoteProvider state.

     
···

       472
        
         /// Retry loading after error

     

       473
        
         Future<void> retry() async {

     

       474
        
           _error = null;

     

       475
       +
           if (_postUri != null && _postCid != null) {

     

       476
       +
             await loadComments(postUri: _postUri!, postCid: _postCid!, refresh: true);

     

       477
        
           }

     

       478
        
         }

     

       479
        
       

     
···

       492
        
           _isLoading = false;

     

       493
        
           _isLoadingMore = false;

     

       494
        
           _postUri = null;

     

       495
       +
           _postCid = null;

     

       496
        
           _pendingRefresh = false;

     

       497
        
           notifyListeners();

     

       498
        
         }