Merge pull request #16 from FRE-Informatica/fix_message_pagination

FIX: Paginação da Tela de Mensagem

ios/Podfile.lock

@@ -1,4 +1,7 @@
 PODS:
+  - connectivity_plus (0.0.1):
+    - Flutter
+    - FlutterMacOS
   - device_info_plus (0.0.1):
     - Flutter
   - DKImagePickerController/Core (4.3.9):
@@ -225,6 +228,7 @@ PODS:
     - Flutter
 
 DEPENDENCIES:
+  - connectivity_plus (from `.symlinks/plugins/connectivity_plus/darwin`)
   - device_info_plus (from `.symlinks/plugins/device_info_plus/ios`)
   - file_picker (from `.symlinks/plugins/file_picker/ios`)
   - firebase_analytics (from `.symlinks/plugins/firebase_analytics/ios`)
@@ -271,6 +275,8 @@ SPEC REPOS:
     - SwiftyGif
 
 EXTERNAL SOURCES:
+  connectivity_plus:
+    :path: ".symlinks/plugins/connectivity_plus/darwin"
   device_info_plus:
     :path: ".symlinks/plugins/device_info_plus/ios"
   file_picker:
@@ -313,6 +319,7 @@ EXTERNAL SOURCES:
     :path: ".symlinks/plugins/webview_flutter_wkwebview/ios"
 
 SPEC CHECKSUMS:
+  connectivity_plus: ddd7f30999e1faaef5967c23d5b6d503d10434db
   device_info_plus: 97af1d7e84681a90d0693e63169a5d50e0839a0d
   DKImagePickerController: 946cec48c7873164274ecc4624d19e3da4c1ef3c
   DKPhotoGallery: b3834fecb755ee09a593d7c9e389d8b5d6deed60

lib/backend/api_requests/api_manager.dart

@@ -411,7 +411,6 @@ class ApiManager {
     ApiCallOptions? options,
     http.Client? client,
   }) async {
-    log('makeApiCall -> $params.toString()');
 
     final callOptions = options ??
         ApiCallOptions(

lib/pages/message_history_page/message_history_page_widget.dart

@@ -1,5 +1,3 @@
-// import 'dart:js_interop';
-
 import 'dart:developer';
 
 import 'package:hub/app_state.dart';
@@ -14,6 +12,7 @@ import 'package:hub/pages/message_history_page/message_history_page_model.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_spinkit/flutter_spinkit.dart';
 import 'package:google_fonts/google_fonts.dart';
+import 'package:hub/shared/utils/dialog_util.dart';
 import 'package:hub/shared/utils/log_util.dart';
 import 'package:provider/provider.dart';
 
@@ -21,28 +20,52 @@ class MessageHistoryPageWidget extends StatefulWidget {
   const MessageHistoryPageWidget({super.key});
 
   @override
-  State<MessageHistoryPageWidget> createState() =>
+  State<MessageHistoryPageWidget> createState() => _MessageHistoryPageWidgetState();
-      _MessageHistoryPageWidgetState();
 }
 
-class _MessageHistoryPageWidgetState extends State<MessageHistoryPageWidget>
+class _MessageHistoryPageWidgetState extends State<MessageHistoryPageWidget> with TickerProviderStateMixin {
-    with TickerProviderStateMixin {
   late MessageHistoryPageModel _model;
 
   final scaffoldKey = GlobalKey<ScaffoldState>();
-  int currentPage = 0;
+
-  int totalPage = 0;
+  late ScrollController _scrollController;
+
+  int _pageNumber = 1;
+  final int _pageSize = 10;
+  bool _hasData = false;
+  bool _loading = false;
+
+  String _destinyType = "P";
+
+  late Future<void> _messageFuture;
+  List<dynamic> _messageWrap = [];
 
   @override
   void initState() {
     super.initState();
     _model = createModel(context, () => MessageHistoryPageModel());
 
-    _model.tabBarController = TabController(
+    _messageFuture = fetchMessage();
-      vsync: this,
+
-      length: 3,
+    _scrollController = ScrollController()..addListener(() {
-      initialIndex: 1,
+      if (_scrollController.position.atEdge && _scrollController.position.pixels != 0) {
-    )..addListener(() => setState(() {}));
+        _loadMore();
+      }
+    });
+
+    _model.tabBarController = TabController(vsync: this, length: 3, initialIndex: 0)..addListener(() {
+      if (_model.tabBarController?.index == 0) {
+        _destinyType = "P";
+      } else if (_model.tabBarController?.index == 1) {
+        _destinyType = "A";
+      } else {
+        _destinyType = "T";
+      }
+
+      _pageNumber = 1;
+      _messageWrap = [];
+      _messageFuture = fetchMessage();
+    });
 
     _model.textController ??= TextEditingController();
     _model.textFieldFocusNode ??= FocusNode();
@@ -51,7 +74,7 @@ class _MessageHistoryPageWidgetState extends State<MessageHistoryPageWidget>
   @override
   void dispose() {
     _model.dispose();
-
+    _scrollController.dispose();
     super.dispose();
   }
 
@@ -66,13 +89,62 @@ class _MessageHistoryPageWidgetState extends State<MessageHistoryPageWidget>
     return Scaffold(
       key: scaffoldKey,
       backgroundColor: FlutterFlowTheme.of(context).primaryBackground,
-      appBar: buildAppBar(context),
+      appBar: _appBar(context),
-      body: buildBody(context, _model),
+      body: _body(context),
     );
   }
-}
 
-PreferredSizeWidget buildAppBar(BuildContext context) {
+  Future<ApiCallResponse?> fetchMessage() async {
+    try {
+      setState(() => _loading = true);
+
+      var response = await PhpGroup.getMessagesCall.call(
+        devUUID: FFAppState().devUUID.toString(),
+        userUUID: FFAppState().userUUID.toString(),
+        cliID: FFAppState().cliUUID.toString(),
+        atividade: 'getMensagens',
+        pageSize: _pageSize.toString(),
+        pageNumber: _pageNumber.toString(),
+        tipoDestino: _destinyType,
+      );
+
+      final List<dynamic> messages = response.jsonBody['mensagens'] ?? [];
+
+      if (messages != null && messages.isNotEmpty) {
+        setState(() {
+          _messageWrap.addAll(messages);
+          _hasData = true;
+          _loading = false;
+        });
+
+        return response;
+      }
+
+      _showNoMoreDataSnackBar(context);
+
+      setState(() {
+        _hasData = false;
+        _loading = false;
+      });
+      return null;
+    } catch (e, s) {
+      DialogUtil.errorDefault(context);
+      LogUtil.requestAPIFailed("proccessRequest.php", "", "Consulta de Mensagems", e, s);
+      setState(() {
+        _hasData = false;
+        _loading = false;
+      });
+    }
+  }
+
+  void _loadMore() {
+    if (_hasData == true) {
+      _pageNumber++;
+      _messageFuture = fetchMessage();
+    }
+  }
+
+  PreferredSizeWidget _appBar(BuildContext context) {
     return AppBar(
       backgroundColor: FlutterFlowTheme.of(context).primaryBackground,
       automaticallyImplyLeading: false,
@@ -106,9 +178,9 @@ PreferredSizeWidget buildAppBar(BuildContext context) {
       actions: const [],
       centerTitle: true,
     );
-}
+  }
 
-Widget buildBody(BuildContext context, MessageHistoryPageModel _model) {
+  Widget _body(BuildContext context) {
     return SafeArea(
       top: true,
       child: Column(
@@ -151,102 +223,73 @@ Widget buildBody(BuildContext context, MessageHistoryPageModel _model) {
                 ),
               ],
               controller: _model.tabBarController,
-            onTap: (i) async {
+            ),
-              [() async {}, () async {}][i]();
+          ),
+          if (_hasData == false && _pageNumber <= 1 && _loading == false)
+            Expanded(
+              child: Column(
+                mainAxisAlignment: MainAxisAlignment.center,
+                mainAxisSize: MainAxisSize.max,
+                children: [
+                  Center(
+                    child: Text(
+                      FFLocalizations.of(context).getVariableText(
+                        ptText: "Nenhuma mensagem encontrada!",
+                        enText: "No message found"
+                      )
+                    ),
+                  )
+                ],
+              ),
+            )
+          else if (_hasData == true || _pageNumber >= 1)
+            Expanded(
+              child:  FutureBuilder<void>(
+                future: _messageFuture,
+                builder: (context, snapshot) {
+                  return ListView.builder(
+                      shrinkWrap: true,
+                      physics: const BouncingScrollPhysics(),
+                      controller: _scrollController,
+                      itemCount: _messageWrap.length,
+                      itemBuilder: (context, index) {
+                        final item = _messageWrap[index];
+                        return _item(context, item);
+                      }
+                  );
                 },
               ),
             ),
-        Expanded(
+          if (_hasData == true && _loading == true)
-            child: TabBarView(controller: _model.tabBarController, children: [
+            Container(
-          buildListView(context, _model, 'P'),
+              padding: const EdgeInsets.only(top: 15, bottom: 15),
-          buildListView(context, _model, 'A'),
+              child: Center(
-          buildListView(context, _model, 'T'),
+                child: CircularProgressIndicator(
-        ])),
+                  valueColor: AlwaysStoppedAnimation<Color>(
+                    FlutterFlowTheme.of(context).primary,
+                  ),
+                ),
+              ),
+            )
         ].addToStart(const SizedBox(height: 0)),
       ),
     );
-}
+  }
 
-Widget buildListView(
+  void _showNoMoreDataSnackBar(BuildContext context) {
-    BuildContext context, MessageHistoryPageModel _model, String DestIndex) {
+    ScaffoldMessenger.of(context).showSnackBar(
-  return Container(
+      SnackBar(
-    width: double.infinity,
+        content: Text(
-    height: double.infinity,
+          FFLocalizations.of(context).getVariableText(ptText: "Não há mais dados.", enText: "No more data."),
-    decoration: const BoxDecoration(),
-    child: FutureBuilder<dynamic>(
-      future: Future(() async {
-        var body = {
-          'devUUID': FFAppState().devUUID.toString(),
-          'userUUID': FFAppState().userUUID.toString(),
-          'cliID': FFAppState().cliUUID.toString(),
-          'atividade': 'getMensagens',
-          'pageSize': '100',
-          'pageNumber': '1',
-          'tipoDestino': DestIndex.toString(),
-        };
-        try {
-          var response = await PhpGroup.getMessagesCall.call(
-            devUUID: body['devUUID'],
-            userUUID: body['userUUID'],
-            cliID: body['cliID'],
-            atividade: body['atividade'],
-            pageSize: body['pageSize'],
-            pageNumber: body['pageNumber'],
-            tipoDestino: DestIndex,
-          );
-          return response.jsonBody;
-        } catch (error, stack) {
-          LogUtil.requestAPIFailed('processRequest.php', jsonEncode(body),
-              'Mensagens não Encontradas', error, stack);
-          return {'mensagens': [], 'total_rows': 0};
-        }
-      }),
-      builder: (context, snapshot) {
-        if (snapshot.connectionState == ConnectionState.waiting) {
-          return Center(
-            child: SizedBox(
-              width: 50.0,
-              height: 50.0,
-              child: SpinKitCircle(
-                color: FlutterFlowTheme.of(context).primary,
-                size: 50.0,
         ),
+        duration: const Duration(seconds: 3),
+        backgroundColor: FlutterFlowTheme.of(context).primary,
       ),
     );
   }
-        if (snapshot.hasError == true ||
-            snapshot.data == null ||
-            !snapshot.hasData ||
-            snapshot.hasError) {
-          return const Center(
-            child: Text('Erro ao carregar mensagens'),
-          );
-        }
-        final mensagens = snapshot.data!['mensagens'];
-        final totalRows = snapshot.data!['total_rows'];
-        if (totalRows == 0 || mensagens == null || mensagens.isEmpty) {
-          return const Center(
-            child: Text('Nenhuma mensagem encontrada'),
-          );
-        }
-        return ListView.builder(
-          itemCount: totalRows,
-          addAutomaticKeepAlives: false,
-          addRepaintBoundaries: true,
-          cacheExtent: 1000.0,
-          itemBuilder: (BuildContext context, int index) {
-            return buildListItem(
-              context,
-              snapshot.data!['mensagens'][index],
-            );
-          },
-        );
-      },
-    ),
-  );
-}
 
-Widget buildListItem(BuildContext context, dynamic jsonBody) {
+
+  Widget _item(BuildContext context, dynamic jsonBody) {
     return Padding(
         padding: const EdgeInsets.symmetric(horizontal: 15),
         child: Card(
@@ -344,4 +387,8 @@ Widget buildListItem(BuildContext context, dynamic jsonBody) {
             ),
           ),
         ));
+  }
+
 }
+
+