Merge branch 'master' into update_ischool_login_method_with_retry

lib/src/connector/ischool_plus_connector.dart

@@ -108,6 +108,53 @@ class ISchoolPlusConnector {
     return "";
   }
 
+  static Future<ReturnWithStatus<List<CourseStudent>>> getCourseStudent(String courseId) async {
+    try {
+      if (!await _selectCourse(courseId)) {
+        final returnResult = ReturnWithStatus<List<CourseStudent>>();
+        returnResult.status = IPlusReturnStatus.noPermission;
+        return returnResult;
+      }
+
+      ConnectorParameter parameter = ConnectorParameter(_getCourseStudentList);
+      String result = await Connector.getDataByGet(parameter);
+
+      html.Document tagNode = html.parse(result);
+      html.Element table = tagNode.querySelectorAll('table')[1];
+      List<html.Element> nodes = table.querySelectorAll('tr');
+
+      List<CourseStudent> courseStudents = <CourseStudent>[];
+      for (int i = 0; i < nodes.length; i++) {
+        html.Element node = nodes[i].querySelectorAll('td')[1];
+
+        String information = node.querySelector('div').innerHtml;
+        int splitIndex = information.indexOf(' ');
+
+        String studentId = information.substring(0, splitIndex);
+        String studentName = information.substring(splitIndex + 2, information.length - 1);
+
+        // 過濾掉校務人士，如有多身分考慮枚舉或過濾 Email
+        if (studentId == 'istudyoaa') {
+          continue;
+        }
+
+        CourseStudent courseStudent = CourseStudent(department: "", id: studentId, name: studentName);
+        courseStudents.add(courseStudent);
+      }
+      courseStudents.sort((a, b) => a.id.compareTo(b.id));
+
+      final returnResult = ReturnWithStatus<List<CourseStudent>>();
+      returnResult.status = IPlusReturnStatus.success;
+      returnResult.result = courseStudents;
+      return returnResult;
+    } catch (e, stack) {
+      Log.eWithStack(e, stack);
+      final returnResult = ReturnWithStatus<List<CourseStudent>>();
+      returnResult.status = IPlusReturnStatus.fail;
+      return returnResult;
+    }
+  }
+
   static Future<ReturnWithStatus<List<CourseFileJson>>> getCourseFile(String courseId) async {
     ConnectorParameter parameter;
     String result;