fix: Stop long polling to /statistics when app is in background, code cleanup

lib/features/inbox/cubit/inbox_state.dart

@@ -0,0 +1,95 @@
+part of 'inbox_cubit.dart';
+
+@JsonSerializable(ignoreUnannotated: true)
+class InboxState extends PagedDocumentsState {
+  final Iterable<int> inboxTags;
+
+  final Map<int, Tag> availableTags;
+
+  final Map<int, DocumentType> availableDocumentTypes;
+
+  final Map<int, Correspondent> availableCorrespondents;
+
+  final int itemsInInboxCount;
+
+  @JsonKey()
+  final bool isHintAcknowledged;
+
+  const InboxState({
+    super.hasLoaded = false,
+    super.isLoading = false,
+    super.value = const [],
+    super.filter = const DocumentFilter(),
+    this.inboxTags = const [],
+    this.isHintAcknowledged = false,
+    this.availableTags = const {},
+    this.availableDocumentTypes = const {},
+    this.availableCorrespondents = const {},
+    this.itemsInInboxCount = 0,
+  });
+
+  @override
+  List<Object?> get props => [
+        hasLoaded,
+        isLoading,
+        value,
+        filter,
+        inboxTags,
+        documents,
+        isHintAcknowledged,
+        availableTags,
+        availableDocumentTypes,
+        availableCorrespondents,
+        itemsInInboxCount,
+      ];
+
+  InboxState copyWith({
+    bool? hasLoaded,
+    bool? isLoading,
+    Iterable<int>? inboxTags,
+    List<PagedSearchResult<DocumentModel>>? value,
+    DocumentFilter? filter,
+    bool? isHintAcknowledged,
+    Map<int, Tag>? availableTags,
+    Map<int, Correspondent>? availableCorrespondents,
+    Map<int, DocumentType>? availableDocumentTypes,
+    Map<int, FieldSuggestions>? suggestions,
+    int? itemsInInboxCount,
+  }) {
+    return InboxState(
+      hasLoaded: hasLoaded ?? super.hasLoaded,
+      isLoading: isLoading ?? super.isLoading,
+      value: value ?? super.value,
+      inboxTags: inboxTags ?? this.inboxTags,
+      isHintAcknowledged: isHintAcknowledged ?? this.isHintAcknowledged,
+      availableCorrespondents:
+          availableCorrespondents ?? this.availableCorrespondents,
+      availableDocumentTypes:
+          availableDocumentTypes ?? this.availableDocumentTypes,
+      availableTags: availableTags ?? this.availableTags,
+      filter: filter ?? super.filter,
+      itemsInInboxCount: itemsInInboxCount ?? this.itemsInInboxCount,
+    );
+  }
+
+  factory InboxState.fromJson(Map<String, dynamic> json) =>
+      _$InboxStateFromJson(json);
+
+  Map<String, dynamic> toJson() => _$InboxStateToJson(this);
+
+  @override
+  InboxState copyWithPaged({
+    bool? hasLoaded,
+    bool? isLoading,
+    List<PagedSearchResult<DocumentModel>>? value,
+    DocumentFilter?
+        filter, // Ignored as filter does not change while inbox is open
+  }) {
+    return copyWith(
+      hasLoaded: hasLoaded,
+      isLoading: isLoading,
+      value: value,
+      filter: filter,
+    );
+  }
+}