added ad provider

filcnaplo/lib/api/client.dart

@@ -1,6 +1,7 @@
 import 'dart:convert';
 import 'dart:developer';
 
+import 'package:filcnaplo/models/ad.dart';
 import 'package:filcnaplo/models/config.dart';
 import 'package:filcnaplo/models/news.dart';
 import 'package:filcnaplo/models/release.dart';
@@ -19,6 +20,7 @@ class FilcAPI {
 
   // Private API
   static const config = "https://api.refilc.hu/v1/private/config";
+  static const ads = "https://api.refilc.hu/v1/private/ads";
   static const reportApi = "https://api.refilc.hu/v1/private/crash-report";
   static const premiumApi = "https://api.filcnaplo.hu/premium/activate";
   // static const premiumScopesApi = "https://api.filcnaplo.hu/premium/scopes";
@@ -117,6 +119,24 @@ class FilcAPI {
     return null;
   }
 
+  static Future<List<Ad>?> getAds() async {
+    try {
+      http.Response res = await http.get(Uri.parse(ads));
+
+      if (res.statusCode == 200) {
+        return (jsonDecode(res.body) as List)
+            .cast<Map>()
+            .map((e) => Ad.fromJson(e))
+            .toList();
+      } else {
+        throw "HTTP ${res.statusCode}: ${res.body}";
+      }
+    } on Exception catch (error, stacktrace) {
+      log("ERROR: FilcAPI.getAds: $error $stacktrace");
+    }
+    return null;
+  }
+
   static Future<List<Release>?> getReleases() async {
     try {
       http.Response res = await http.get(Uri.parse(releases));

filcnaplo/lib/api/providers/ad_provider.dart

@@ -0,0 +1,29 @@
+import 'package:filcnaplo/api/client.dart';
+import 'package:filcnaplo/models/ad.dart';
+import 'package:flutter/material.dart';
+
+class AdProvider extends ChangeNotifier {
+  // private
+  late List<Ad> _ads;
+  bool get available => _ads.isNotEmpty;
+
+  // public
+  List<Ad> get ads => _ads;
+
+  AdProvider({
+    List<Ad> initialAds = const [],
+    required BuildContext context,
+  }) {
+    _ads = List.castFrom(initialAds);
+  }
+
+  Future<void> fetch() async {
+    _ads = await FilcAPI.getAds() ?? [];
+    _ads.sort((a, b) => -a.date.compareTo(b.date));
+
+    // check for new ads
+    if (_ads.isNotEmpty) {
+      notifyListeners();
+    }
+  }
+}

filcnaplo/lib/models/ad.dart

@@ -0,0 +1,29 @@
+class Ad {
+  String title;
+  String description;
+  String author;
+  Uri? logoUrl;
+  bool overridePremium;
+  DateTime date;
+
+  Ad({
+    required this.title,
+    required this.description,
+    required this.author,
+    required this.logoUrl,
+    this.overridePremium = false,
+    required this.date,
+  });
+
+  factory Ad.fromJson(Map json) {
+    return Ad(
+      title: json['title'] ?? 'Ad',
+      description: json['description'] ?? '',
+      author: json['author'] ?? 'reFilc',
+      logoUrl: json['logo_url'] != null ? Uri.parse(json['logo_url']) : null,
+      overridePremium: json['override_premium'] ?? false,
+      date:
+          json['date'] != null ? DateTime.parse(json['date']) : DateTime.now(),
+    );
+  }
+}

filcnaplo/lib/ui/filter/widgets.dart

@@ -1,3 +1,4 @@
+import 'package:filcnaplo/api/providers/ad_provider.dart';
 import 'package:filcnaplo/api/providers/update_provider.dart';
 import 'package:filcnaplo/models/settings.dart';
 import 'package:filcnaplo/ui/date_widget.dart';
@@ -14,6 +15,7 @@ import 'package:filcnaplo/ui/filter/widgets/lessons.dart' as lesson_filter;
 import 'package:filcnaplo/ui/filter/widgets/update.dart' as update_filter;
 import 'package:filcnaplo/ui/filter/widgets/missed_exams.dart'
     as missed_exam_filter;
+import 'package:filcnaplo/ui/filter/widgets/ads.dart' as ad_filter;
 import 'package:filcnaplo_kreta_api/models/week.dart';
 import 'package:filcnaplo_kreta_api/providers/absence_provider.dart';
 import 'package:filcnaplo_kreta_api/providers/event_provider.dart';
@@ -50,7 +52,8 @@ enum FilterType {
   lessons,
   updates,
   certifications,
-  missedExams
+  missedExams,
+  ads,
 }
 
 Future<List<DateWidget>> getFilterWidgets(FilterType activeData,
@@ -65,6 +68,7 @@ Future<List<DateWidget>> getFilterWidgets(FilterType activeData,
   final eventProvider = Provider.of<EventProvider>(context);
   final updateProvider = Provider.of<UpdateProvider>(context);
   final settingsProvider = Provider.of<SettingsProvider>(context);
+  final adProvider = Provider.of<AdProvider>(context);
 
   List<DateWidget> items = [];
 
@@ -82,6 +86,7 @@ Future<List<DateWidget>> getFilterWidgets(FilterType activeData,
         getFilterWidgets(FilterType.updates, context: context),
         getFilterWidgets(FilterType.certifications, context: context),
         getFilterWidgets(FilterType.missedExams, context: context),
+        getFilterWidgets(FilterType.ads, context: context),
       ]);
       items = all.expand((x) => x).toList();
 
@@ -89,9 +94,9 @@ Future<List<DateWidget>> getFilterWidgets(FilterType activeData,
 
     // Grades
     case FilterType.grades:
-    if(!settingsProvider.gradeOpeningFun) {
-      gradeProvider.seenAll();
-    }
+      if (!settingsProvider.gradeOpeningFun) {
+        gradeProvider.seenAll();
+      }
       items = grade_filter.getWidgets(
           gradeProvider.grades, gradeProvider.lastSeenDate);
       if (settingsProvider.gradeOpeningFun) {
@@ -164,6 +169,13 @@ Future<List<DateWidget>> getFilterWidgets(FilterType activeData,
       items = missed_exam_filter
           .getWidgets(timetableProvider.getWeek(Week.current()) ?? []);
       break;
+
+    // Ads
+    case FilterType.ads:
+      if (adProvider.available) {
+        items = ad_filter.getWidgets(adProvider.ads);
+      }
+      break;
   }
   return items;
 }

filcnaplo/lib/ui/filter/widgets/ads.dart

@@ -0,0 +1,24 @@
+import 'package:filcnaplo/models/ad.dart';
+import 'package:filcnaplo/ui/date_widget.dart';
+import 'package:filcnaplo_mobile_ui/common/widgets/ad/ad_viewable.dart'
+    as mobile;
+
+List<DateWidget> getWidgets(List<Ad> providerAds) {
+  List<DateWidget> items = [];
+
+  if (providerAds.isNotEmpty) {
+    for (var ad in providerAds) {
+      if (ad.date.isAfter(DateTime.now())) {
+        providerAds.sort((a, b) => -a.date.compareTo(b.date));
+
+        items.add(DateWidget(
+          key: ad.description,
+          date: ad.date,
+          widget: mobile.AdViewable(ad),
+        ));
+      }
+    }
+  }
+
+  return items;
+}