use logging package

lib/api/api_provider.dart

@@ -2,7 +2,7 @@
 
 import 'dart:convert';
 
-import 'package:flutter/material.dart';
+import 'package:logging/logging.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:shelfsdk/audiobookshelf_api.dart';
 import 'package:whispering_pages/db/cache_manager.dart';
@@ -10,6 +10,8 @@ import 'package:whispering_pages/settings/api_settings_provider.dart';
 
 part 'api_provider.g.dart';
 
+final _logger = Logger('api_provider');
+
 Uri makeBaseUrl(String address) {
   if (!address.startsWith('http') && !address.startsWith('https')) {
     address = 'https://$address';
@@ -103,7 +105,7 @@ class PersonalizedView extends _$PersonalizedView {
         for (final item in resJson)
           Shelf.fromJson(item as Map<String, dynamic>),
       ];
-      debugPrint('reading from cache: $cachedRes');
+      _logger.fine('reading from cache: $cachedRes');
       yield res;
     }
 
@@ -119,7 +121,7 @@ class PersonalizedView extends _$PersonalizedView {
       fileExtension: 'json',
       key: key,
     );
-    debugPrint('writing to cache: $newFile');
+    _logger.fine('writing to cache: $newFile');
     yield res!;
   }
 

lib/api/authenticated_user_provider.dart

@@ -1,16 +1,19 @@
-import 'package:flutter/material.dart';
+import 'package:logging/logging.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:whispering_pages/api/server_provider.dart'
     show audiobookShelfServerProvider;
-import 'package:whispering_pages/settings/models/audiobookshelf_server.dart';
-import 'package:whispering_pages/settings/models/authenticated_user.dart' as model;
-import 'package:whispering_pages/settings/api_settings_provider.dart';
 import 'package:whispering_pages/db/storage.dart';
+import 'package:whispering_pages/settings/api_settings_provider.dart';
+import 'package:whispering_pages/settings/models/audiobookshelf_server.dart';
+import 'package:whispering_pages/settings/models/authenticated_user.dart'
+    as model;
 
 part 'authenticated_user_provider.g.dart';
 
 final _box = AvailableHiveBoxes.authenticatedUserBox;
 
+final _logger = Logger('authenticated_user_provider');
+
 /// provides with a set of authenticated users
 @riverpod
 class AuthenticatedUser extends _$AuthenticatedUser {
@@ -32,10 +35,10 @@ class AuthenticatedUser extends _$AuthenticatedUser {
   Set<model.AuthenticatedUser> readFromBoxOrCreate() {
     if (_box.isNotEmpty) {
       final foundData = _box.getRange(0, _box.length);
-      debugPrint('found users in box: $foundData');
+      _logger.fine('found users in box: $foundData');
       return foundData.toSet();
     } else {
-      debugPrint('no settings found in box');
+      _logger.fine('no settings found in box');
       return {};
     }
   }
@@ -46,7 +49,7 @@ class AuthenticatedUser extends _$AuthenticatedUser {
       return;
     }
     _box.addAll(state);
-    debugPrint('writing state to box: $state');
+    _logger.fine('writing state to box: $state');
   }
 
   void addUser(model.AuthenticatedUser user) {

lib/api/image_provider.dart

@@ -1,6 +1,6 @@
 import 'dart:typed_data';
 
-import 'package:flutter/material.dart';
+import 'package:logging/logging.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:shelfsdk/audiobookshelf_api.dart';
 import 'package:whispering_pages/api/api_provider.dart';
@@ -14,6 +14,8 @@ import 'package:whispering_pages/db/cache_manager.dart';
 
 part 'image_provider.g.dart';
 
+final _logger = Logger('cover_image_provider');
+
 @Riverpod(keepAlive: true)
 class CoverImage extends _$CoverImage {
   @override
@@ -29,23 +31,23 @@ class CoverImage extends _$CoverImage {
 
     if (file != null) {
       // if the image is in the cache, yield it
-      debugPrint(
+      _logger.fine(
         'cover image found in cache for ${libraryItem.id} at ${file.file.path}',
       );
       yield await file.file.readAsBytes();
       // return if no need to fetch from the server
       if (libraryItem.updatedAt.isBefore(await file.file.lastModified())) {
-        debugPrint(
+        _logger.fine(
           'cover image is up to date for ${libraryItem.id}, no need to fetch from the server',
         );
         return;
       } else {
-        debugPrint(
+        _logger.fine(
           'cover image stale for ${libraryItem.id}, fetching from the server',
         );
       }
     } else {
-      debugPrint('cover image not found in cache for ${libraryItem.id}');
+      _logger.fine('cover image not found in cache for ${libraryItem.id}');
     }
 
     // check if the image is in the cache
@@ -61,7 +63,7 @@ class CoverImage extends _$CoverImage {
         key: libraryItem.id,
         fileExtension: 'jpg',
       );
-      debugPrint(
+      _logger.fine(
         'cover image fetched for for ${libraryItem.id}, file time: ${await newFile.lastModified()}',
       );
     }

lib/api/library_item_provider.dart

@@ -1,6 +1,6 @@
 import 'dart:convert';
 
-import 'package:flutter/material.dart';
+import 'package:logging/logging.dart';
 import 'package:riverpod_annotation/riverpod_annotation.dart';
 import 'package:shelfsdk/audiobookshelf_api.dart' as shelfsdk;
 import 'package:whispering_pages/api/api_provider.dart';
@@ -10,6 +10,8 @@ import 'package:whispering_pages/shared/extensions/model_conversions.dart';
 
 part 'library_item_provider.g.dart';
 
+final _logger = Logger('LibraryItemProvider');
+
 /// provides the library item for the given id
 @riverpod
 class LibraryItem extends _$LibraryItem {
@@ -17,7 +19,7 @@ class LibraryItem extends _$LibraryItem {
   Stream<shelfsdk.LibraryItemExpanded> build(String id) async* {
     final api = ref.watch(authenticatedApiProvider);
 
-    debugPrint('LibraryItemProvider fetching library item: $id');
+    _logger.fine('LibraryItemProvider fetching library item: $id');
 
     // ! this is a mock delay
     // await Future.delayed(const Duration(seconds: 10));
@@ -27,14 +29,15 @@ class LibraryItem extends _$LibraryItem {
     final cachedFile = await apiResponseCacheManager.getFileFromMemory(key) ??
         await apiResponseCacheManager.getFileFromCache(key);
     if (cachedFile != null) {
-      debugPrint('LibraryItemProvider reading from cache for $id from ${cachedFile.file}');
+      _logger.fine(
+          'LibraryItemProvider reading from cache for $id from ${cachedFile.file}');
       // read file as json
       final cachedItem = shelfsdk.LibraryItemExpanded.fromJson(
         jsonDecode(await cachedFile.file.readAsString()),
       );
       yield cachedItem;
     } else {
-      debugPrint('LibraryItemProvider cache miss for $id');
+      _logger.fine('LibraryItemProvider cache miss for $id');
     }
 
     // ! this is a mock delay
@@ -60,7 +63,7 @@ class LibraryItem extends _$LibraryItem {
         fileExtension: 'json',
         key: key,
       );
-      debugPrint('writing to cache: $newFile');
+      _logger.fine('writing to cache: $newFile');
       yield item.asExpanded;
     }
   }