Initial commit

lib/features/documents/bloc/documents_state.dart

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+import 'package:equatable/equatable.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document.model.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/document_filter.dart';
+import 'package:flutter_paperless_mobile/features/documents/model/paged_search_result.dart';
+
+class DocumentsState extends Equatable {
+  final bool isLoaded;
+  final DocumentFilter filter;
+  final List<PagedSearchResult> value;
+  final List<DocumentModel> selection;
+
+  const DocumentsState({
+    required this.isLoaded,
+    required this.value,
+    required this.filter,
+    this.selection = const [],
+  });
+
+  static const DocumentsState initial = DocumentsState(
+    isLoaded: false,
+    value: [],
+    filter: DocumentFilter.initial,
+    selection: [],
+  );
+
+  int get currentPageNumber {
+    return filter.page;
+  }
+
+  int? get nextPageNumber {
+    return isLastPageLoaded ? null : currentPageNumber + 1;
+  }
+
+  int get count {
+    if (value.isEmpty) {
+      return 0;
+    }
+    return value.first.count;
+  }
+
+  bool get isLastPageLoaded {
+    if (!isLoaded) {
+      return false;
+    }
+    if (value.isNotEmpty) {
+      return value.last.next == null;
+    }
+    return true;
+  }
+
+  int inferPageCount({required int pageSize}) {
+    if (!isLoaded) {
+      return 100000;
+    }
+    if (value.isEmpty) {
+      return 0;
+    }
+    return value.first.inferPageCount(pageSize: pageSize);
+  }
+
+  List<DocumentModel> get documents {
+    return value.fold([], (previousValue, element) => [...previousValue, ...element.results]);
+  }
+
+  DocumentsState copyWith({
+    bool overwrite = false,
+    bool? isLoaded,
+    List<PagedSearchResult>? value,
+    DocumentFilter? filter,
+    List<DocumentModel>? selection,
+  }) {
+    return DocumentsState(
+      isLoaded: isLoaded ?? this.isLoaded,
+      value: value ?? this.value,
+      filter: filter ?? this.filter,
+      selection: selection ?? this.selection,
+    );
+  }
+
+  @override
+  List<Object?> get props => [isLoaded, filter, value, selection];
+}