Refactor of the toast widget and deletion of snackbar.dart (#813)

* Replacing extra widgets for toasts with Custom Toast and making it uniform

* removed snackbar.dart due to no implementation

* flutter format

* merge conflict resolved

lib/controllers/org_controller.dart

@@ -1,14 +1,15 @@
 //flutter packages are called here
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
-import 'package:fluttertoast/fluttertoast.dart';
+
 import 'package:graphql_flutter/graphql_flutter.dart';
 import 'package:persistent_bottom_nav_bar/persistent-tab-view.dart';
 import 'package:talawa/controllers/auth_controller.dart';
 
 //pages are called here
 import 'package:talawa/services/preferences.dart';
 import 'package:talawa/services/queries_.dart';
+import 'package:talawa/utils/custom_toast.dart';
 import 'package:talawa/utils/globals.dart';
 import 'package:talawa/utils/gql_client.dart';
 import 'package:talawa/views/pages/home_page.dart';
@@ -82,7 +83,7 @@ class OrgController with ChangeNotifier {
     );
 
     if (result.hasException || userDetailsResult.hasException) {
-      print(result.exception);
+      debugPrint(result.exception.toString());
       showError(result.exception.toString());
     } else if (!result.hasException &&
         !disposed &&
@@ -105,7 +106,7 @@ class OrgController with ChangeNotifier {
 
       // Filtering out organizations that are already joined by user.
       joinedOrganizationsIds.forEach((e) {
-        print(e);
+        debugPrint(e.toString());
         organizationInfo =
             organizationInfo.where((element) => element['_id'] != e).toList();
       });
@@ -114,7 +115,7 @@ class OrgController with ChangeNotifier {
   }
 
   /// FUNCTION CALLED TP JOIN THE PRIVATE ORGANIZATION
-  Future joinPrivateOrg(BuildContext context, FToast fToast, String itemIndex,
+  Future joinPrivateOrg(BuildContext context, String itemIndex,
       {@required bool fromProfile}) async {
     final GraphQLClient _client = graphQLConfiguration.authClient();
 
@@ -124,14 +125,14 @@ class OrgController with ChangeNotifier {
     if (result.hasException &&
         result.exception.toString().substring(16) == accessTokenException) {
       _authController.getNewToken();
-      return joinPrivateOrg(context, fToast, itemIndex,
-          fromProfile: fromProfile);
+      return joinPrivateOrg(context, itemIndex, fromProfile: fromProfile);
     } else if (result.hasException &&
         result.exception.toString().substring(16) != accessTokenException) {
-      _exceptionToast(result.exception.toString().substring(16), fToast);
+      CustomToast.exceptionToast(
+        msg: result.exception.toString().substring(16),
+      );
     } else if (!result.hasException && !result.loading) {
-      print(result.data);
-      _successToast("Request Sent to Organization Admin", fToast);
+      CustomToast.sucessToast(msg: "Request Sent to Organization Admin");
 
       if (fromProfile) {
         Navigator.pop(context);
@@ -147,22 +148,30 @@ class OrgController with ChangeNotifier {
 
   /// Function which will be called if the person wants to join the public organization
   Future<void> joinPublicOrg(
-      String orgName, String itemIndex, FToast fToast, BuildContext context,
+      String orgName, String itemIndex, BuildContext context,
       {bool fromProfile}) async {
     final GraphQLClient _client = graphQLConfiguration.authClient();
+    debugPrint(orgName);
 
-    print(orgName);
-
-    final QueryResult result = await _client
-        .mutate(MutationOptions(documentNode: gql(_query.getOrgId(itemIndex))));
+    final QueryResult result = await _client.mutate(
+      MutationOptions(
+        documentNode: gql(
+          _query.getOrgId(
+            itemIndex,
+          ),
+        ),
+      ),
+    );
 
     if (result.hasException &&
         result.exception.toString().substring(16) == accessTokenException) {
       _authController.getNewToken();
-      _exceptionToast(result.exception.toString().substring(16), fToast);
+      CustomToast.exceptionToast(
+          msg: result.exception.toString().substring(16));
     } else if (result.hasException &&
         result.exception.toString().substring(16) != accessTokenException) {
-      _exceptionToast(result.exception.toString().substring(16), fToast);
+      CustomToast.exceptionToast(
+          msg: result.exception.toString().substring(16));
     } else if (!result.hasException && !result.loading) {
       joinedOrg =
           result.data['joinPublicOrganization']['joinedOrganizations'] as List;
@@ -203,7 +212,7 @@ class OrgController with ChangeNotifier {
           }
         }
       }
-      _successToast("Success!", fToast);
+      CustomToast.sucessToast(msg: "Success!");
 
       if (fromProfile) {
         pushNewScreen(
@@ -231,43 +240,4 @@ class OrgController with ChangeNotifier {
       ),
     );
   }
-
-  _successToast(String msg, FToast fToast) {
-    final Widget toast = Container(
-      padding: const EdgeInsets.symmetric(horizontal: 20.0, vertical: 12.0),
-      decoration: BoxDecoration(
-        borderRadius: BorderRadius.circular(25.0),
-        color: Colors.green,
-      ),
-      child: Row(
-        mainAxisSize: MainAxisSize.min,
-        children: [
-          Text(msg),
-        ],
-      ),
-    );
-
-    fToast.showToast(
-      child: toast,
-      gravity: ToastGravity.BOTTOM,
-      toastDuration: const Duration(seconds: 3),
-    );
-  }
-
-  _exceptionToast(String msg, FToast fToast) {
-    final Widget toast = Container(
-      padding: const EdgeInsets.symmetric(horizontal: 24.0, vertical: 14.0),
-      decoration: BoxDecoration(
-        borderRadius: BorderRadius.circular(25.0),
-        color: Colors.red,
-      ),
-      child: Text(msg),
-    );
-
-    fToast.showToast(
-      child: toast,
-      gravity: ToastGravity.BOTTOM,
-      toastDuration: const Duration(seconds: 3),
-    );
-  }
 }

lib/utils/loghelper.dart

@@ -1,8 +1,8 @@
 import 'dart:io';
 
 import 'package:flutter_logs/flutter_logs.dart';
-import 'package:fluttertoast/fluttertoast.dart';
 import 'package:path_provider/path_provider.dart';
+import 'package:talawa/utils/custom_toast.dart';
 
 class LogHelper {
   init() async {
@@ -45,10 +45,7 @@ class LogHelper {
           // var responseCode = await ApiFunctions().sendLogs(file.path);
           // if(responseCode == 200){
           // }
-          Fluttertoast.showToast(
-            msg: "The Logs are saved in ${file.path}",
-            toastLength: Toast.LENGTH_LONG,
-          );
+          CustomToast.sucessToast(msg: "The Logs are saved in ${file.path}");
         } else {
           FlutterLogs.logError(
             "LogHelper",

lib/view_models/newwfeed_view_model/new_article_page_view_model.dart

@@ -1,5 +1,4 @@
 import 'package:flutter/material.dart';
-import 'package:fluttertoast/fluttertoast.dart';
 import 'package:graphql_flutter/graphql_flutter.dart';
 import 'package:provider/provider.dart';
 import 'package:talawa/controllers/post_controller.dart';
@@ -45,8 +44,10 @@ class NewsArticleViewModel extends BaseModel {
     this.context = context;
     this.index = index;
     _commentController = TextEditingController(
-        text: Provider.of<CommentHandler>(context, listen: false)
-            .comment(post.id.toString()));
+      text: Provider.of<CommentHandler>(context, listen: false).comment(
+        post.id.toString(),
+      ),
+    );
     _commentController.addListener(_notifyData);
     fetchUserDetails();
   }
@@ -133,24 +134,22 @@ class NewsArticleViewModel extends BaseModel {
     FocusScope.of(context).unfocus();
     String queryText = '';
     if (commentController.text.isNotEmpty) {
-      Fluttertoast.showToast(msg: "Adding Comment...");
+      CustomToast.sucessToast(msg: "Adding Comment...");
+
       queryText = commentController.text.replaceAll("\n", newLineKey).trim();
       final Map result =
           await Queries().createComments(post.id.toString(), queryText) as Map;
       if (result == null) {
-        Fluttertoast.showToast(
-          msg: "Sorry, this comment could not be posted.",
-        );
+        CustomToast.exceptionToast(
+            msg: "Sorry, this comment could not be posted.");
       } else {
         _isCommentAdded = true;
         FocusScope.of(context).requestFocus(FocusNode());
         commentController.text = '';
-        await Fluttertoast.showToast(
-          msg: "Comment added.",
-        );
+        CustomToast.exceptionToast(msg: "Comment added.");
       }
     } else {
-      Fluttertoast.showToast(msg: "Please write comment");
+      CustomToast.exceptionToast(msg: "Please write comment");
     }
   }
 

lib/view_models/page_view_model/events_page_view_model.dart

@@ -3,6 +3,7 @@ import 'dart:convert';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 import 'package:fluttertoast/fluttertoast.dart';
+
 import 'package:persistent_bottom_nav_bar/persistent-tab-view.dart';
 import 'package:talawa/enums/event_recurrance.dart';
 import 'package:talawa/enums/viewstate.dart';

lib/view_models/page_view_model/join_organization_view_model.dart

@@ -1,25 +1,26 @@
 import 'dart:io';
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
-import 'package:fluttertoast/fluttertoast.dart';
+
 import 'package:graphql_flutter/graphql_flutter.dart';
 import 'package:talawa/controllers/auth_controller.dart';
 import 'package:talawa/enums/exception_type.dart';
 import 'package:talawa/enums/org_filter.dart';
 import 'package:talawa/services/exception.dart';
 import 'package:talawa/services/preferences.dart';
 import 'package:talawa/services/queries_.dart';
+import 'package:talawa/utils/custom_toast.dart';
 import 'package:talawa/utils/gql_client.dart';
 import 'package:talawa/view_models/base_model.dart';
-import 'package:talawa/views/widgets/shared/toast_container.dart';
+
 import '../../locator.dart';
 
 class JoinOrgnizationViewModel extends BaseModel {
   final Queries _query = Queries();
   final Preferences _pref = Preferences();
   String token, _itemIndex, _isPublic, _currentUserId = "";
   GraphQLConfiguration graphQLConfiguration = locator<GraphQLConfiguration>();
-  FToast fToast;
+
   List _organizationInfo = [],
       joinedOrg = [],
       joinedOrganizations = [],
@@ -41,8 +42,6 @@ class JoinOrgnizationViewModel extends BaseModel {
   String get isPublic => _isPublic;
   String get itemIndex => _itemIndex;
   void initialise(BuildContext context, OrganisationFilter filter) {
-    fToast = FToast();
-    fToast.init(context);
     fetchOrg(filter);
   }
 
@@ -144,13 +143,6 @@ class JoinOrgnizationViewModel extends BaseModel {
     }
   }
 
-  showToast(String msg, Color color) {
-    fToast.showToast(
-        child: toastContainer(msg, color),
-        gravity: ToastGravity.BOTTOM,
-        toastDuration: const Duration(seconds: 3));
-  }
-
   void searchOrgName(String orgName) {
     //it is the search bar to search the organization
     _filteredOrgInfo.clear();
@@ -238,15 +230,18 @@ class JoinOrgnizationViewModel extends BaseModel {
       final ExceptionType exceptionType = retrieveExceptionType(result);
       if (exceptionType == ExceptionType.accesstokenException) {
         _authController.getNewToken();
-        showToast(result.exception.toString().substring(16), Colors.red);
+        CustomToast.exceptionToast(
+            msg: result.exception.toString().substring(16));
+
         return joinPrivateOrg(context);
       } else {
-        showToast(result.exception.toString().substring(16), Colors.red);
+        CustomToast.exceptionToast(
+            msg: result.exception.toString().substring(16));
       }
       return;
     }
     if (!result.loading) {
-      showToast("Request Sent to Organization Admin", Colors.green);
+      CustomToast.sucessToast(msg: "Request Sent to Organization Admin");
       Navigator.pop(context);
     }
   }
@@ -261,10 +256,14 @@ class JoinOrgnizationViewModel extends BaseModel {
       final ExceptionType exceptionType = retrieveExceptionType(result);
       if (exceptionType == ExceptionType.accesstokenException) {
         _authController.getNewToken();
-        showToast(result.exception.toString().substring(16), Colors.red);
+        CustomToast.exceptionToast(
+            msg: result.exception.toString().substring(16));
+
         return joinPublicOrg(context, orgName);
       } else {
-        showToast(result.exception.toString().substring(16), Colors.red);
+        CustomToast.exceptionToast(
+          msg: result.exception.toString().substring(16),
+        );
       }
       return;
     }
@@ -306,7 +305,8 @@ class JoinOrgnizationViewModel extends BaseModel {
           }
         }
       }
-      showToast("Success!", Colors.green);
+      CustomToast.sucessToast(msg: "Success!");
+
       Navigator.pop(context);
     }
   }

lib/views/pages/login_signup/login_form.dart

@@ -1,4 +1,5 @@
 //flutter packages are called here
+
 import 'package:flutter/cupertino.dart';
 import 'package:flutter/material.dart';
 

lib/views/pages/organization/join_organization_view.dart

@@ -26,16 +26,14 @@ class _JoinOrganizationState extends State<JoinOrganization> {
   final GlobalKey<ScaffoldState> scaffoldKey = GlobalKey<ScaffoldState>();
   TextEditingController searchController = TextEditingController();
 
-  FToast fToast;
   bool disposed = false;
   String searchText;
   String filter = "Show All";
 
   @override
   void initState() {
     super.initState();
-    fToast = FToast();
-    fToast.init(context);
+
     Provider.of<OrgController>(
       context,
       listen: false,
@@ -158,7 +156,6 @@ class _JoinOrganizationState extends State<JoinOrganization> {
                       color: Colors.white,
                       child: OrganizationBody(
                         fromProfile: widget.fromProfile,
-                        fToast: fToast,
                         scaffoldKey: scaffoldKey,
                         filter: filter,
                         query: searchText,