Add grades section to course detail (#12)

android/app/src/main/AndroidManifest.xml

@@ -58,6 +58,7 @@
             <data android:mimeType="text/plain"/>
         </intent>
     </queries>
+     <uses-permission android:name="android.permission.INTERNET"/>
     <!-- Permissions for local notifications -->
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS"/>
     <uses-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED"/>

jsons/moodleCourseGrade.json

@@ -0,0 +1,9 @@
+{
+    "itemname": "",
+    "weight?": "",
+    "grade": "",
+    "range": "",
+    "feedback?": "",
+    "percentage?": "",
+    "contributiontocoursetotal?": ""
+}

lib/src/common/services/constants.dart

@@ -1,3 +1,5 @@
+import 'package:flutter/material.dart';
+
 /// Constants used in Cuckoo.
 class Constants {
   static const kEventsTitle = 'Events';
@@ -64,6 +66,22 @@ class Constants {
       'Reminder will apply to events that does not contain the content, case-insensitive.';
   static const kRuleActionMatchedDesc =
       'Reminder will apply to events that matches the content as a regular expression pattern.';
+  static const kReminderSubjectChoices = [
+    'Course Code',
+    'Course Name',
+    'Event Title',
+  ];
+  static const kReminderSubjectChoiceIcons = [
+    Icons.data_array_rounded,
+    Icons.school_rounded,
+    Icons.event_rounded
+  ];
+  static const kReminderActionChoices = [
+    'Contains',
+    'Does Not Contain',
+    'Matches'
+  ];
+  static const kReminderRelationChoices = ['AND', 'OR'];
   static const kReminderSavedPrompt = 'Reminder Saved';
   static const kReminderDeletedPrompt = 'Reminder Deleted';
   static const kCustomEventDeletedPrompt = 'Custom Event Deleted';
@@ -84,6 +102,11 @@ class Constants {
   static const kShowAllCoursesButton = 'Show All Courses';
   static const kSetCourseFavorite = 'Course Marked As Favorite';
   static const kUnsetCourseFavorite = 'Course Unmarked As Favorite';
+  static const kCourseViewTypeDisplayTexts = ['Course Contents', 'Grades'];
+  static const kCourseViewTypeIcons = [
+    Icons.format_list_bulleted_rounded,
+    Icons.assessment_outlined,
+  ];
   static const kDownloadFileLoading = 'Downloading file...';
   static const kEventsClearPrompt =
       'Amazing! There are currently no upcoming events for you.';

lib/src/common/services/moodle.dart

@@ -12,6 +12,7 @@ import 'package:cuckoo/src/models/index.dart';
 import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:collection/collection.dart';
+import 'package:html/parser.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:shared_preferences/shared_preferences.dart';
 import 'package:table_calendar/table_calendar.dart';
@@ -335,6 +336,35 @@ class Moodle {
     return content;
   }
 
+  /// Get grades of a course by accessing the grades table.
+  ///
+  /// Note that the hierarchy of the grades table is not preserved here.
+  /// Only returns a plain lists of valid grade items.
+  static Future<List<MoodleCourseGrade>?> getCourseGrades(
+      MoodleCourse course) async {
+    final response =
+        await callFunction(MoodleFunctions.getGradesTable, params: {
+      'courseid': course.id,
+      'userid': Moodle()._userId,
+    });
+    if (response.fail || response.data == null) return null;
+
+    // Convert data to grades
+    final grades = <MoodleCourseGrade>[];
+    final data = response.data as Map;
+    final gradeItems = data['tables'].first['tabledata'] as List?;
+    if (gradeItems != null) {
+      for (final gradeItem in gradeItems) {
+        try {
+          final grade = MoodleCourseGrade.fromJson(gradeItem);
+          grades.add(grade);
+        } catch (_) {}
+      }
+    }
+
+    return grades;
+  }
+
   /// Download a file associated with the course module.
   ///
   /// Returns the downloaded path if the download is successful and returns null

lib/src/common/services/moodle_extra.dart

@@ -39,6 +39,7 @@ class MoodleFunctions {
       'core_completion_update_activity_completion_status_manually';
   static const getCourseContents = 'core_course_get_contents';
   static const recordCourseView = 'core_course_view_course';
+  static const getGradesTable = 'gradereport_user_get_grades_table';
 }
 
 /// Types of Moodle events.
@@ -143,8 +144,7 @@ extension MoodleEventExtension on MoodleEvent {
     completed = c;
     Moodle().eventManager._notifyManually(flushCache: true);
     Moodle()._saveEvents();
-    bool shouldSync =
-        Settings().get<bool>(SettingsKey.syncCompletionStatus) ?? true;
+    bool shouldSync = trueSettingsValue(SettingsKey.syncCompletionStatus);
     if (shouldSync) Moodle.syncEventCompletion();
   }
 
@@ -214,3 +214,44 @@ extension MoodleCourseModuleExtension on MoodleCourseModule {
       contentsinfo != null &&
       modname == 'resource';
 }
+
+/// Shortcuts for Moodle Course Grades
+extension MoodleCourseGradeExtension on MoodleCourseGrade {
+  /// Get the double value of the grade.
+  double? get gradeValue => double.tryParse(grade);
+
+  /// Get the grade string.
+  String get gradeStr => gradeValue?.toStringAsFixed(1) ?? grade;
+
+  /// Get both ends of the range.
+  List<int>? get rangeEnds {
+    final comps = range.split('&ndash;');
+    if (comps.length == 2) {
+      final ends = comps.map((c) => int.tryParse(c)).toList();
+      if (ends.first != null && ends.last != null) {
+        return [ends.first!, ends.last!];
+      }
+    }
+    return null;
+  }
+
+  /// Parse the title of the grade.
+  String get title {
+    final document = parse(itemname);
+    final titles = document.getElementsByClassName('gradeitemheader');
+    if (titles.isNotEmpty) {
+      return titles.first.text;
+    }
+    return 'Unkown Grade Item';
+  }
+
+  /// Get url of the grade.
+  String? get itemUrl {
+    final document = parse(itemname);
+    final links = document.getElementsByTagName('a');
+    if (links.isNotEmpty) {
+      return links.first.attributes['href'];
+    }
+    return null;
+  }
+}

lib/src/common/services/moodle_managers.dart

@@ -45,7 +45,7 @@ class MoodleCourseManager with ChangeNotifier {
 
   // ---------------------Context Watch Interfaces Start---------------------
   // ONLY use the methods below when you are interacting with the manager
-  // outside `moodle.dart` using `context.eventManager`.
+  // outside `moodle.dart` using `context.courseManager`.
 
   /// Enrolled courses of current Moodle user.
   ///

lib/src/common/ui/input_selector.dart → lib/src/common/ui/selector.dart

@@ -2,11 +2,12 @@ import 'package:cuckoo/src/common/extensions/extensions.dart';
 import 'package:cuckoo/src/common/ui/ui.dart';
 import 'package:flutter/material.dart';
 
-class InputSelectorAccessory extends StatelessWidget {
-  const InputSelectorAccessory(this.description,
+class CuckooSelector extends StatelessWidget {
+  const CuckooSelector(this.description,
       {super.key,
       this.icon,
       this.onPressed,
+      this.color,
       this.backgroundColor,
       this.fontSize = 12.0,
       this.borderRadius = 10.0});
@@ -17,6 +18,9 @@ class InputSelectorAccessory extends StatelessWidget {
   /// Background color of the selector.
   final Color? backgroundColor;
 
+  /// Color of the display.
+  final Color? color;
+
   /// Size of the font.
   final double fontSize;
 
@@ -36,7 +40,7 @@ class InputSelectorAccessory extends StatelessWidget {
       children
         ..add(Icon(
           icon,
-          color: ColorPresets.primary,
+          color: color ?? ColorPresets.primary,
           size: 16.0,
         ))
         ..add(const SizedBox(width: 4.0));
@@ -48,13 +52,13 @@ class InputSelectorAccessory extends StatelessWidget {
         child: Text(
           description,
           style: TextStylePresets.body(size: fontSize, weight: FontWeight.w500)
-              .copyWith(color: ColorPresets.primary),
+              .copyWith(color: color ?? ColorPresets.primary),
         ),
       ),
       const SizedBox(width: 2.0),
-      const Icon(
+      Icon(
         Icons.expand_more_rounded,
-        color: ColorPresets.primary,
+        color: color ?? ColorPresets.primary,
         size: 15.0,
       )
     ]);

lib/src/common/ui/ui.dart

@@ -12,7 +12,7 @@ export '../widgets/error_panel.dart';
 export 'toast.dart';
 export 'form.dart';
 export 'form_field.dart';
-export 'input_selector.dart';
+export 'selector.dart';
 export 'selection_panel.dart';
 export 'date_picker.dart';
 export 'dialog.dart';

lib/src/models/index.dart

@@ -1,3 +1,4 @@
+export 'moodleCourseGrade.dart';
 export 'moodleAutoLoginInfo.dart';
 export 'moodleSiteInfo.dart';
 export 'moodleEvent.dart';

lib/src/models/moodleCourseGrade.dart

@@ -0,0 +1,20 @@
+import 'package:json_annotation/json_annotation.dart';
+
+part 'moodleCourseGrade.g.dart';
+
+@JsonSerializable()
+class MoodleCourseGrade {
+  MoodleCourseGrade();
+
+  late String itemname;
+  String? weight;
+  late String grade;
+  late String range;
+  String? feedback;
+  String? percentage;
+  String? contributiontocoursetotal;
+
+  factory MoodleCourseGrade.fromJson(Map<String, dynamic> json) =>
+      _$MoodleCourseGradeFromJson(json);
+  Map<String, dynamic> toJson() => _$MoodleCourseGradeToJson(this);
+}