Lazy Loading

lib/view_models/ad_view_model.dart

@@ -1,6 +1,8 @@
 import 'dart:convert';
 import 'dart:developer';
 import 'dart:io';
+
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/cupertino.dart';
 import 'package:mc_common_app/classes/app_state.dart';
 import 'package:mc_common_app/classes/consts.dart';
@@ -32,7 +34,6 @@ import 'package:mc_common_app/utils/utils.dart';
 import 'package:mc_common_app/view_models/base_view_model.dart';
 import 'package:mc_common_app/view_models/chat_view_model.dart';
 import 'package:mc_common_app/widgets/dropdown/dropdow_field.dart';
-import 'package:easy_localization/easy_localization.dart';
 import 'package:provider/provider.dart';
 
 class AdVM extends BaseVM {
@@ -114,10 +115,7 @@ class AdVM extends BaseVM {
   }
 
   void removeSpecialServiceCard(int index) {
-    String option = specialServiceCards
-        .elementAt(index)
-        .serviceSelectedId!
-        .selectedOption;
+    String option = specialServiceCards.elementAt(index).serviceSelectedId!.selectedOption;
 
     for (var value in vehicleAdsSpecialServices) {
       if (value.name == option) {
@@ -221,6 +219,14 @@ class AdVM extends BaseVM {
     notifyListeners();
   }
 
+  int currentPage = 1;
+  bool isLoadingMore = false;
+  bool hasMoreData = true;
+
+  fetchMoreAds() async {
+
+  }
+
   Future<List<AdDetailsModel>> getAdsByFilter({AdPostStatus? adPostStatus, required bool isMyAds, CreatedByRoleEnum? createdByRoleEnum}) async {
     return await adsRepo.getAllAds(isMyAds: isMyAds, adPostStatus: adPostStatus, createdByRoleEnum: createdByRoleEnum);
   }
@@ -1258,10 +1264,7 @@ class AdVM extends BaseVM {
   }
 
   void removeDamagePartCard(int index) {
-    String option = vehicleDamageCards
-        .elementAt(index)
-        .partSelectedId!
-        .selectedOption;
+    String option = vehicleDamageCards.elementAt(index).partSelectedId!.selectedOption;
 
     for (var value in vehicleDamageParts) {
       if (value.partName == option) {
@@ -1539,9 +1542,7 @@ class AdVM extends BaseVM {
       File file = File(imageModel.filePath!);
       List<int> imageBytes = await file.readAsBytes();
       String image = base64Encode(imageBytes);
-      String fileName = file.path
-          .split('/')
-          .last;
+      String fileName = file.path.split('/').last;
       vehiclePostingImages = VehiclePostingImages(
         imageName: fileName,
         imageStr: image,
@@ -2041,13 +2042,13 @@ class AdVM extends BaseVM {
       final chatVM = context.read<ChatVM>();
       await chatVM
           .getUsersChatMessagesForAd(
-        context: context,
-        isForBuyer: true,
-        adsChatBuyerId: 1,
-        adID: adDetailsModel.id,
-        userID: myUserID,
-        senderName: adDetailsModel.adOwnerName,
-      )
+            context: context,
+            isForBuyer: true,
+            adsChatBuyerId: 1,
+            adID: adDetailsModel.id,
+            userID: myUserID,
+            senderName: adDetailsModel.adOwnerName,
+          )
           .whenComplete(() => navigateWithName(context, AppRoutes.chatView, arguments: chatViewArguments));
     }
   }

lib/views/advertisement/components/ads_list_widget.dart

@@ -1,3 +1,6 @@
+import 'dart:developer';
+
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_svg/flutter_svg.dart';
 import 'package:mc_common_app/classes/consts.dart';
@@ -12,7 +15,6 @@ import 'package:mc_common_app/utils/utils.dart';
 import 'package:mc_common_app/view_models/ad_view_model.dart';
 import 'package:mc_common_app/widgets/extensions/extensions_widget.dart';
 import 'package:provider/provider.dart';
-import 'package:easy_localization/easy_localization.dart';
 
 class AdsListWidget extends StatelessWidget {
   final List<AdDetailsModel> adsList;
@@ -21,12 +23,12 @@ class AdsListWidget extends StatelessWidget {
   final bool shouldShowAdStatus;
 
   const AdsListWidget({
-    Key? key,
+    super.key,
     required this.adsList,
     this.scrollPhysics,
     required this.shouldShowAdStatus,
     this.isAdsFragment = false,
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -38,21 +40,29 @@ class AdsListWidget extends StatelessWidget {
         ],
       );
     }
-    return ListView.separated(
-      itemCount: adsList.length,
-      shrinkWrap: true,
-      physics: scrollPhysics,
-      itemBuilder: (BuildContext context, int index) {
-        return AdCard(
-          adDetails: adsList[index],
-          isAdsFragment: isAdsFragment,
-          shouldShowAdStatus: shouldShowAdStatus,
-        ).onPress(() => navigateWithName(context, AppRoutes.adsDetailView, arguments: adsList[index]));
-      },
-      separatorBuilder: (BuildContext context, int index) {
-        return 12.height;
+    return NotificationListener<ScrollNotification>(
+      onNotification: (ScrollNotification scrollInfo) {
+        if (scrollInfo.metrics.pixels == scrollInfo.metrics.maxScrollExtent && context.read<AdVM>().hasMoreData) {
+          log("should call more ads api:");
+        }
+        return false;
       },
-      padding: const EdgeInsets.symmetric(horizontal: 21),
+      child: ListView.separated(
+        itemCount: adsList.length,
+        shrinkWrap: true,
+        physics: scrollPhysics,
+        itemBuilder: (BuildContext context, int index) {
+          return AdCard(
+            adDetails: adsList[index],
+            isAdsFragment: isAdsFragment,
+            shouldShowAdStatus: shouldShowAdStatus,
+          ).onPress(() => navigateWithName(context, AppRoutes.adsDetailView, arguments: adsList[index]));
+        },
+        separatorBuilder: (BuildContext context, int index) {
+          return 12.height;
+        },
+        padding: const EdgeInsets.symmetric(horizontal: 21),
+      ),
     );
   }
 }
@@ -62,7 +72,7 @@ class AdCard extends StatelessWidget {
   final bool isAdsFragment;
   final bool shouldShowAdStatus;
 
-  const AdCard({Key? key, required this.adDetails, required this.isAdsFragment, required this.shouldShowAdStatus}) : super(key: key);
+  const AdCard({super.key, required this.adDetails, required this.isAdsFragment, required this.shouldShowAdStatus});
 
   @override
   Widget build(BuildContext context) {

lib/views/common_fragments/ads_fragment.dart

@@ -1,3 +1,4 @@
+import 'package:easy_localization/easy_localization.dart';
 import 'package:flutter/material.dart';
 import 'package:mc_common_app/classes/app_state.dart';
 import 'package:mc_common_app/classes/consts.dart';
@@ -18,10 +19,9 @@ import 'package:mc_common_app/widgets/common_widgets/app_bar.dart';
 import 'package:mc_common_app/widgets/common_widgets/categories_list.dart';
 import 'package:mc_common_app/widgets/extensions/extensions_widget.dart';
 import 'package:provider/provider.dart';
-import 'package:easy_localization/easy_localization.dart';
 
 class AdsFragment extends StatelessWidget {
-  const AdsFragment({Key? key}) : super(key: key);
+  const AdsFragment({super.key});
 
   List<AdDetailsModel> getAdsList(AdVM adVM) {
     if (adVM.isExploreAdsTapped) {