问题描述
我有一个使用Google Classroom API的应用程序。当与老师联系时,我可以创建课程作业和作业。以学生身份连接后,我可以列出我的作业,也可以上交特定作业。
我正在使用REST API: https://developers.google.com/classroom/reference/rest
(以学生身份登录),我上交作业,但我想写一份草稿成绩。
我知道我是否可以以老师的身份登录,但是我可以设置成绩,但是我想要的应用是基于一些特定的内置逻辑来计算成绩的草稿,因此老师不必在自己的老师上做每个学生都有。
根据文档,“ draftGrade”和“ assignedGrade”都只能由教师进行更新。 https://developers.google.com/classroom/reference/rest/v1/courses.courseWork.studentSubmissions#StudentSubmission
关于如何自动设置提交成绩的任何想法?
解决方法
我认为这是不可能的:您无法使用学生权限来更新draftGrade。
您可以做什么:
- 在“学生”会话中,您将草稿成绩与提交ID关联保存在应用程序数据库中。
- 从“老师”会话中获得相应的“老师”权限,然后从应用程序数据库中获得成绩,然后我调用Path查询来设置draftGrade。
第2步的某些代码(使用GoogleAPIClientForREST,为Swift):
func executeQuery_GradeSubmission(studentSubmission: GTLRClassroom_StudentSubmission) -> GTLRServiceTicket? {
guard let courseID = self.myClassroom?.courseID,let courseWorkID = self.selectedCourseWorkID else { return nil }
if let grade = self.gradesForSelectedWorkID?[studentSubmission.identifier!] {
studentSubmission.draftGrade = NSNumber(floatLiteral: Double(grade))
}
let query = GTLRClassroomQuery_CoursesCourseWorkStudentSubmissionsPatch.query(withObject: studentSubmission,courseId: courseID,courseWorkId: courseWorkID,identifier: studentSubmission.identifier!)
query.updateMask = "draftGrade"
return self.myClassroom?.service.executeQuery(query,delegate: self,didFinish: #selector(displayGradeSubmissionResult(ticket:finishedWithObject:error:)))
}
@objc func displayGradeSubmissionResult(ticket: GTLRServiceTicket,finishedWithObject: GTLRObject,error: Any?){
let classroomSubmissionResponse = finishedWithObject as? GTLRClassroom_StudentSubmission
if let classroomError = error as? NSError {
print("displayGradeSubmissionResult. ERROR: \(classroomError.description)")
// TODO: inform something went wrong
} else {
if let submissionItems = self.classroomSubmissionsResponse?.studentSubmissions {
for submissionItem in submissionItems {
if submissionItem.identifier == classroomSubmissionResponse?.identifier {
submissionItem.draftGrade = classroomSubmissionResponse?.draftGrade
}
}
}
}
}