func (ada *Adapter) Submission(courseId, id string) (submission *model.Submission, status int, errMsg error) {
status = http.StatusOK
url := SubmissionURL(courseId, id)
doc, err := ada.GetDocument(url)
if err != nil {
status = http.StatusBadGateway
errMsg = err
return
}
var attachSel, commentAttachSel *goquery.Selection
// Careful, I remembered assignments could contain HTML before.
if content := doc.Find("#table_box>tbody>tr>td.title+td"); content.Size() != 8 {
errMsg = fmt.Errorf("Expect 8 content blocks, got %d.", content.Size())
} else {
texts := util.TrimmedTexts(content)
markStr := texts[5]
if mark, err := ParseMark(markStr); err != nil {
errMsg = fmt.Errorf("Failed to parse mark from %s: %s", markStr, err)
} else {
attachSel = content.Eq(2)
commentAttachSel = content.Eq(7)
submission = &model.Submission{
AssignmentId: id,
Late: false, // Or we cannot view it now.
Body: texts[1],
}
if markedAt := texts[4]; markedAt != "null" {
if name := texts[3]; name != "" {
submission.MarkedBy = &model.User{Name: name}
}
submission.MarkedAt = markedAt
submission.Mark = mark
submission.Comment = texts[6]
}
}
}
if errMsg != nil {
status = http.StatusInternalServerError
errMsg = fmt.Errorf("Failed to parse %s: %s", url, errMsg)
return
}
sg := util.NewStatusGroup()
sg.Go(func(status *int, err *error) {
submission.Attachment, *status, *err = ada.Attachment(attachSel)
})
sg.Go(func(status *int, err *error) {
submission.CommentAttachment, *status, *err = ada.Attachment(commentAttachSel)
})
status, errMsg = sg.Wait()
return
}
func New(userId, password string) (ada *Adapter, status int, errMsg error) {
ada = new(Adapter)
sg := util.NewStatusGroup()
sg.Go(func(status *int, err *error) {
ada.Adapter, *status, *err = cic.New(userId, password)
})
sg.Go(func(status *int, err *error) {
ada.Old, *status, *err = old.New(userId, password)
})
status, errMsg = sg.Wait()
return
}
func (ada *Adapter) AllAttended(english bool) (courses []*model.Course, status int, errMsg error) {
var pastCourses, thisCourses, nextCourses []*model.Course
sg := util.NewStatusGroup()
sg.Go(func(status *int, err *error) {
thisCourses, nextCourses, *status, *err = ada.NowAttended(english)
})
sg.Go(func(status *int, err *error) {
pastCourses, *status, *err = ada.PastAttended(english)
})
status, errMsg = sg.Wait()
courses = append(nextCourses, thisCourses...)
courses = append(courses, pastCourses...)
return
}
func (ada *Adapter) AllAttendedList() (courses []*model.Course, status int, errMsg error) {
var thisCourses, pastCourses []*model.Course
sg := util.NewStatusGroup()
sg.Go(func(status *int, err *error) {
thisCourses, *status, *err = ada.AttendedList(1)
})
sg.Go(func(status *int, err *error) {
pastCourses, *status, *err = ada.AttendedList(2)
})
status, errMsg = sg.Wait()
courses = append(thisCourses, pastCourses...)
return
}
func (ada *Adapter) Attended(semesterId string, english bool) (courses []*model.Course, status int, errMsg error) {
var m map[fatName]string
sg := util.NewStatusGroup()
sg.Go(func(status *int, err *error) {
m, *status, *err = ada.nameIdMap()
})
sg.Go(func(status *int, err *error) {
courses, *status, *err = ada.Adapter.Attended(semesterId, english)
})
if status, errMsg = sg.Wait(); errMsg == nil {
replaceCourseIds(courses, m)
}
return
}
func (ada *Adapter) Announcements(courseId string) (announcements []*model.Announcement, status int, errMsg error) {
if announcements, status, errMsg = ada.AnnouncementList(courseId); errMsg != nil {
return
}
sg := util.NewStatusGroup()
for _, annc := range announcements {
annc := annc
sg.Go(func(status *int, err *error) {
_, annc.Body, annc.Owner.Email, *status, *err = ada.Announcement(courseId, annc.Id)
})
}
status, errMsg = sg.Wait()
return
}
func (ada *Adapter) NowAttended(english bool) (thisCourses []*model.Course, nextCourses []*model.Course, status int, errMsg error) {
var m map[fatName]string
sg := util.NewStatusGroup()
sg.Go(func(status *int, err *error) {
m, *status, *err = ada.nameIdMap()
})
sg.Go(func(status *int, err *error) {
thisCourses, nextCourses, *status, *err = ada.Adapter.NowAttended(english)
})
if status, errMsg = sg.Wait(); errMsg == nil {
replaceCourseIds(thisCourses, m)
replaceCourseIds(nextCourses, m)
}
return
}
func (ada *Adapter) NowAttended(english bool) (thisCourses []*model.Course, nextCourses []*model.Course, status int, errMsg error) {
var thisSem, nextSem *model.Semester
thisSem, nextSem, status, errMsg = ada.Semesters()
if errMsg != nil {
return
}
sg := util.NewStatusGroup()
sg.Go(func(status *int, err *error) {
thisCourses, *status, *err = ada.Attended(thisSem.Id, english)
})
sg.Go(func(status *int, err *error) {
nextCourses, *status, *err = ada.Attended(nextSem.Id, english)
})
status, errMsg = sg.Wait()
return
}
func BatchResourceFunc(argsStr string, f func(string) (interface{}, int, error)) (v interface{}, status int, err error) {
args := strings.Split(argsStr, ",")
if len(args) == 1 {
v, status, err = f(args[0])
} else {
list := make([]interface{}, len(args))
sg := util.NewStatusGroup()
for i := range args {
i := i
sg.Go(func(status *int, err *error) {
list[i], *status, *err = f(args[i])
})
}
status, err = sg.Wait()
v = list
}
return
}
func (ada *Adapter) Assignments(courseId string) (assignments []*model.Assignment, status int, errMsg error) {
if assignments, status, errMsg = ada.AssignmentList(courseId); errMsg != nil {
return
}
sg := util.NewStatusGroup()
for _, assign := range assignments {
assign := assign
sg.Go(func(status *int, err *error) {
_, assign.Body, assign.Attachment, *status, *err = ada.AssignmentDetail(courseId, assign.Id)
})
if assign.Submission != nil {
sg.Go(func(status *int, err *error) {
assign.Submission, *status, *err = ada.Submission(courseId, assign.Id)
})
}
}
status, errMsg = sg.Wait()
return
}
func (ada *Adapter) Attended(semesterId string, english bool) (courses []*model.Course, status int, errMsg error) {
courses = make([]*model.Course, 0)
url := AttendedURL(semesterId)
var v struct {
ResultList []struct {
CourseId string
Course_no string
Course_seq string
Course_name string
E_course_name string
TeacherInfo struct {
Id string
Name string
Email string
Phone string
Gender string
Title string
}
CodeDepartmentInfo struct {
Dwmc string
Dwywmc string
}
SemesterInfo struct {
Id string
}
Detail_c string
Detail_e string
Credit int
Course_time int
}
}
if err := ada.GetJSON(url, &v); err != nil {
return nil, http.StatusBadGateway, err
}
sg := util.NewStatusGroup()
for _, result := range v.ResultList {
var name, description, department string
if english {
name = result.E_course_name
description = result.Detail_e
department = result.CodeDepartmentInfo.Dwywmc
}
// Fallback to Chinese version.
if name == "" {
name = result.Course_name
}
if description == "" {
description = result.Detail_c
}
if department == "" {
department = result.CodeDepartmentInfo.Dwmc
}
course := &model.Course{
Id: result.CourseId,
SemesterId: result.SemesterInfo.Id,
Number: result.Course_no,
Sequence: result.Course_seq,
Name: name,
Credit: result.Credit,
Hour: result.Course_time,
Description: description,
Teachers: []*model.User{
&model.User{
Id: result.TeacherInfo.Id,
Name: result.TeacherInfo.Name,
Type: result.TeacherInfo.Title,
Department: department,
Gender: result.TeacherInfo.Gender,
Email: result.TeacherInfo.Email,
Phone: result.TeacherInfo.Phone,
},
},
}
sg.Go(func(status *int, err *error) {
course.Schedules, *status, *err = ada.Schedules(course.Id)
})
sg.Go(func(status *int, err *error) {
course.Assistants, *status, *err = ada.Assistants(course.Id)
})
courses = append(courses, course)
}
status, errMsg = sg.Wait()
return
}
"github.com/tsinghua-io/api-server/adapter/tsinghua.edu.cn/x/learn"
"github.com/tsinghua-io/api-server/model"
"github.com/tsinghua-io/api-server/util"
"net/http"
)
var CourseMaterials = Resource{
"GET": util.AuthNeededHandler(GetCourseMaterials),
}
var GetCourseMaterials = learn.HandlerFunc(func(rw http.ResponseWriter, req *http.Request, ada *learn.Adapter) {
v, status, err := BatchResourceFunc(
mux.Vars(req)["id"],
func(id string) (interface{}, int, error) {
materials := new(model.Materials)
sg := util.NewStatusGroup()
sg.Go(func(status *int, err *error) {
materials.Announcements, *status, *err = ada.Announcements(id)
})
sg.Go(func(status *int, err *error) {
materials.Files, *status, *err = ada.Files(id)
})
sg.Go(func(status *int, err *error) {
materials.Assignments, *status, *err = ada.Assignments(id)
})
status, err := sg.Wait()
return materials, status, err
})
util.JSON(rw, v, status, err)
func (ada *Adapter) Files(courseId string) (files []*model.File, status int, errMsg error) {
// TODO: Clean this function up.
files = make([]*model.File, 0)
url := FilesURL(courseId)
doc, err := ada.GetDocument(url)
if err != nil {
status = http.StatusBadGateway
errMsg = err
return
}
// Find all categories.
categories := util.TrimmedTexts(doc.Find("#table_box td.textTD"))
doc.Find("div.layerbox").EachWithBreak(func(i int, div *goquery.Selection) bool {
if i >= len(categories) {
return false
}
category := []string{categories[i]}
div.Find("#table_box tr~tr").EachWithBreak(func(_ int, s *goquery.Selection) bool {
if cols := s.Children(); cols.Size() != 6 {
errMsg = fmt.Errorf("Expect 6 columns, got %d.", cols.Size())
} else if link := cols.Eq(1).Find("a"); link.Size() == 0 {
errMsg = fmt.Errorf("Failed to find link in column 1.")
} else if _, id := ParseDownloadURL(link.AttrOr("href", "")); id == "" {
errMsg = fmt.Errorf("Failed to find file id from href (%s).", link.AttrOr("href", ""))
} else {
texts := util.TrimmedTexts(cols)
file := &model.File{
Id: id,
CourseId: courseId,
CreatedAt: texts[4],
Title: texts[1],
Description: texts[2],
Category: category,
DownloadURL: BaseURL + link.AttrOr("href", ""),
}
files = append(files, file)
}
return errMsg == nil
})
return errMsg == nil
})
if errMsg != nil {
status = http.StatusInternalServerError
errMsg = fmt.Errorf("Failed to parse %s: %s", url, errMsg)
return
}
// Fill file infos.
sg := util.NewStatusGroup()
for _, file := range files {
file := file
sg.Go(func(status *int, err *error) {
file.Filename, file.Size, *status, *err = ada.FileInfo(file.DownloadURL, simplifiedchinese.GBK)
})
}
status, errMsg = sg.Wait()
return
}