func (c SecuredApplication) RecentPrograms(mpNumString string, countString string) revel.Result {
var mp models.MachineProblem
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
c.Flash.Error("Invalid machine problem")
return c.Render(routes.PublicApplication.Index())
}
count, _ := strconv.Atoi(countString)
user := c.connected()
if mp, err = models.FindOrCreateMachineProblemByUser(user, mpNum); err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"data": "Failed to find machine problem",
})
}
if progs, err := recentPrograms(user, mp, count); err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"data": "Failed to find recent programs",
})
} else {
return c.RenderJson(map[string]interface{}{
"status": "success",
"data": progs,
})
}
}
func (c SecuredApplication) SaveProgram(mpNumString string) revel.Result {
var program string
var mp models.MachineProblem
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
c.Flash.Error("Invalid machine problem")
return c.Render(routes.PublicApplication.Index())
}
user := c.connected()
c.Params.Bind(&program, "program")
stats.Incr("App", "ProgramSave")
if mp, err = models.FindOrCreateMachineProblemByUser(user, mpNum); err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"data": "Could not create mp.",
})
}
if prog, err := models.CreateProgram(mp, program); err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"data": "Could not save program.",
})
} else {
return c.RenderJson(map[string]interface{}{
"status": "success",
"id": prog.Id,
})
}
}
func (c SecuredApplication) GradeHistory(mpNumString string) revel.Result {
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
c.Flash.Error("Invalid mp number")
return c.Render(routes.PublicApplication.Index())
}
user := c.connected()
mp, err := models.FindOrCreateMachineProblemByUser(user, mpNum)
if err != nil {
c.Flash.Error("Invalid mp Id")
return c.Render(routes.PublicApplication.Index())
}
grades, err := models.FindGradesByMachineProblem(mp)
if err != nil {
c.Flash.Error("Invalid grades items")
return c.Render(routes.PublicApplication.Index())
}
c.RenderArgs["grades"] = grades
return c.Render()
}
func (c SecuredApplication) RevertMachineProblem(mpNumString string) revel.Result {
var mp models.MachineProblem
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
c.Flash.Error("Invalid machine problem")
return c.Render(routes.PublicApplication.Index())
}
user := c.connected()
stats.Incr("App", "ProgramRevert")
if mp, err = models.FindOrCreateMachineProblemByUser(user, mpNum); err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"data": "Could not create mp.",
})
}
if _, err := revertMachineProblemProgram(user, mp); err == nil {
return c.RenderJson(map[string]interface{}{
"status": "success",
})
} else {
return c.RenderJson(map[string]interface{}{
"status": "error",
})
}
}
func (c SecuredApplication) SubmitProgram(mpNumString string) (res revel.Result) {
var program string
var datasetId int
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
c.Flash.Error("Invalid machine problem")
return c.Render(routes.PublicApplication.Index())
}
user := c.connected()
c.Params.Bind(&program, "program")
c.Params.Bind(&datasetId, "datasetId")
mp, err := models.FindOrCreateMachineProblemByUser(user, mpNum)
if err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Error finding MP record",
"data": "System was not able to save program.",
})
}
if lastAttempt, err := models.FindLastAttemptByMachineProblem(mp); err == nil && time.Since(lastAttempt.Created).Seconds() < 5 {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Attempt limiter",
"data": "Too many attempts. Please wait 10 seconds between attempts.",
})
}
if _, err := models.CreateProgram(mp, program); err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Error Saving Program",
"data": "System was not able to save program.",
})
}
runId := generateRunId(user)
conf, _ := ReadMachineProblemConfig(mpNum)
stats.Incr("App", "ProgramSubmission")
server.SubmitProgram(mp, program, datasetId, conf.Language, runId, false)
return c.RenderJson(map[string]interface{}{
"status": "success",
"runId": runId,
"attempt": "Attempt submitted",
})
}
func (c SecuredApplication) SaveQuestion(mpNumString string, questionNumString string) revel.Result {
var answer string
mpNum, err := strconv.Atoi(mpNumString)
questionNum, err := strconv.Atoi(questionNumString)
c.Params.Bind(&answer, "answer")
if answer == "" {
return c.RenderJson(map[string]interface{}{
"status": "error",
"data": "Blank answer was not saved.",
})
}
user := c.connected()
mp, err := models.FindOrCreateMachineProblemByUser(user, mpNum)
if err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"data": "Cannot find machine problem.",
})
}
conf, _ := ReadMachineProblemConfig(mp.Number)
if MachineProblemCodingDeadlineExpiredQ(conf) {
return c.RenderJson(map[string]interface{}{
"status": "error-deadline",
"data": "Coding deadline has passed.",
})
}
questions, err := models.FindOrCreateQuestionsByMachineProblem(mp)
if err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"data": "Error: create questions.",
})
}
err = models.SaveQuestion(mp, questions, int64(questionNum), answer)
stats.Incr("App", "QuestionSave")
return c.RenderJson(map[string]interface{}{
"status": "success",
"data": answer,
})
}
func (c SecuredApplication) MachineProblem(mpNumString string) revel.Result {
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
c.Flash.Error("Invalid machine problem")
return c.Render(routes.PublicApplication.Index())
}
user := c.connected()
conf, _ := ReadMachineProblemConfig(mpNum)
if MachineProblemCodingDeadlineExpiredQ(conf) {
c.RenderArgs["coding_expired"] = true
}
if MachineProblemPeerReviewDeadlineExpiredQ(conf) {
c.RenderArgs["peer_review_expired"] = true
}
var mp models.MachineProblem
if mp, err = models.FindOrCreateMachineProblemByUser(user, mpNum); err != nil {
c.Flash.Error("Cannot create machine problem")
return c.Render(routes.PublicApplication.Index())
}
c.RenderArgs["title"] = conf.Name
c.RenderArgs["mp_num"] = mpNumString
c.RenderArgs["mp_description"] = conf.Description
c.RenderArgs["mp_config"] = conf
if prog, err := machineProblemProgram(user, mp); err == nil {
c.RenderArgs["mp_program"] = prog.Text
}
if questions, err := machineProblemQuestions(user, mp); err == nil {
c.RenderArgs["mp_questions"] = questions
}
if history, err := recentPrograms(user, mp, 100); err == nil {
c.RenderArgs["mp_program_history"] = history
}
c.RenderArgs["mp_attempts"] = getAttemptsSummary(user, mp)
stats.Incr("App", "MachineProblemViews")
return c.Render()
}
func (c SecuredApplication) RecentProgram(mpNumString string) revel.Result {
var mp models.MachineProblem
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
c.Flash.Error("Invalid machine problem")
return c.Render(routes.PublicApplication.Index())
}
user := c.connected()
if mp, err = models.FindOrCreateMachineProblemByUser(user, mpNum); err != nil {
return c.RenderText("Cannot find MP")
}
if prog, err := machineProblemProgram(user, mp); err != nil {
return c.RenderText("Cannot find program")
} else {
return c.RenderText(prog.Text)
}
}
func (c SecuredApplication) QuestionHistory(mpNumString string, questionNumString string) revel.Result {
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
c.Flash.Error("Invalid mp number")
return c.Render(routes.PublicApplication.Index())
}
questionNum, err := strconv.Atoi(questionNumString)
if err != nil {
c.Flash.Error("Invalid question number")
return c.Render(routes.PublicApplication.Index())
}
user := c.connected()
mp, err := models.FindOrCreateMachineProblemByUser(user, mpNum)
if err != nil {
c.Flash.Error("Invalid mp Id")
return c.Render(routes.PublicApplication.Index())
}
qs, err := models.FindOrCreateQuestionsByMachineProblem(mp)
if err != nil {
c.Flash.Error("Invalid questions")
return c.Render(routes.PublicApplication.Index())
}
q, err := models.FindQuestionHistory(qs, int64(questionNum))
if err != nil {
c.Flash.Error("Invalid question items")
return c.Render(routes.PublicApplication.Index())
}
c.RenderArgs["mp"] = mp
c.RenderArgs["number"] = questionNum
c.RenderArgs["questions"] = q
return c.Render()
}
func (c SecuredApplication) Attempts(mpNumString string) revel.Result {
var mp models.MachineProblem
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
c.Flash.Error("Invalid machine problem")
return c.Render(routes.PublicApplication.Index())
}
user := c.connected()
if mp, err = models.FindOrCreateMachineProblemByUser(user, mpNum); err != nil {
c.Flash.Error("Cannot query machine problem number")
return c.Render(routes.PublicApplication.Index())
}
c.RenderArgs["mp_attempts"] = getAttemptsSummary(user, mp)
conf, _ := ReadMachineProblemConfig(mpNum)
c.RenderArgs["title"] = conf.Name + " Attempts"
return c.Render()
}
func (c SecuredApplication) ShowGrade(mpNumString string) revel.Result {
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
c.Flash.Error("Invalid mp Id")
return c.Render(routes.PublicApplication.Index())
}
user := c.connected()
mp, err := models.FindOrCreateMachineProblemByUser(user, mpNum)
if err != nil {
c.Flash.Error("Invalid mp Id")
return c.Render(routes.PublicApplication.Index())
}
grade, err := models.FindGradeByMachineProblem(mp)
if err != nil {
c.Flash.Error("Invalid grade Id")
return c.Render(routes.PublicApplication.Index())
}
return c.Grade(strconv.Itoa(int(grade.Id)))
}
func (c SecuredApplication) UpdatePeerReview(mpNumString string) revel.Result {
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Cannot Find Machine Problem",
"data": "Cannot find machine problem --- invalid MP Id.",
"error": err,
})
}
user := c.connected()
mp, err := models.FindOrCreateMachineProblemByUser(user, mpNum)
if err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Cannot Find Machine Problem",
"data": "Cannot find machine problem.",
"error": err,
})
}
if _, err := models.FindLastAttemptByMachineProblem(mp); err != nil {
if _, err = models.CreateDummyAttemptByMachineProblem(mp); err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Error: Cannot Submit Peer Review.",
"data": "We require that you have attempted the MP to submit a peer review.",
"error": err,
})
}
}
var reviewsString string
c.Params.Bind(&reviewsString, "reviews")
//revel.TRACE.Println(reviewsString)
var reviews []PeerReviewRecord
if err := json.Unmarshal([]byte(reviewsString), &reviews); err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Error: Cannot Parse Review Request.",
"data": "The system was not able to parse your review request.",
"error": err,
})
}
prs := make([]models.PeerReview, len(reviews))
for ii, review := range reviews {
pr, err := models.FindPeerReview(review.Id)
if err != nil || pr.Reviewer != user.Id {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Error: Cannot Submit Review.",
"data": "Cannot submit review request -- invalid reviewer.",
})
}
if strings.TrimSpace(review.QuestionComment) == "" ||
strings.TrimSpace(review.CodeComment) == "" {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Error: Cannot Submit Empty Review.",
"data": "Cannot submit review. Please make sure to offer useful comments to your peers.",
})
}
prs[ii] = pr
}
for ii, pr := range prs {
review := reviews[ii]
_, err := models.UpdatePeerReview(pr, review.CodeScore, review.CodeComment,
review.QuestionScore, review.QuestionComment)
if err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Error: Cannot Save Review",
"data": "The system was not able to submit your review to the database. Report this issue if problem presists.",
})
}
}
var grade models.Grade
if grade, err = models.UpdateGradePeerReview(user, mp); err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Error: Peer Review Grade was not Updated.",
"data": "The system was not able to update your peer review grade. " +
"Report this issue if problem presists. " +
fmt.Sprint(err),
})
}
if err := doPostCourseraGrade(user, mp, grade, "peer", false); err != nil {
return c.RenderJson(map[string]interface{}{
"status": "error",
"title": "Error: Did not save grade to Coursera.",
"data": "Make sure you are connected to Coursera",
})
}
link := "/grade/" + strconv.Itoa(int(grade.Id))
return c.RenderJson(map[string]interface{}{
"status": "success",
"title": "Peer Review has been Submitted",
"data": "Review has been logged and submitted. Make sure to visit the <a href=\"" +
link +
"\"> machine problem grade page</a> and re-submit your grade to Coursera.",
"link": link,
})
}
func (c SecuredApplication) PeerReview(mpNumString string) revel.Result {
mpNum, err := strconv.Atoi(mpNumString)
if err != nil {
c.Flash.Error("Invalid mp Id")
return c.Render(routes.PublicApplication.Index())
}
user := c.connected()
mp, err := models.FindOrCreateMachineProblemByUser(user, mpNum)
if err != nil {
c.Flash.Error("Invalid mp Id")
return c.Render(routes.PublicApplication.Index())
}
conf, _ := ReadMachineProblemConfig(mpNum)
c.RenderArgs["mp_config"] = conf
c.RenderArgs["title"] = conf.Name + " Peer Review"
if MachineProblemPeerReviewDeadlineExpiredQ(conf) {
c.RenderArgs["past_deadline"] = true
} else if MachineProblemCodingDeadlineExpiredQ(conf) {
reviews, err := models.GetPeerReviewsByReviewerAndMachineProblem(user, mp)
if err != nil || len(reviews) < 3 {
ii := 0
for len(reviews) < 3 && ii < 100 {
if rev, err := models.CreatePeerReviewWithReviewerAndMachineProblem(user, mp); err == nil {
reviews = append(reviews, rev)
}
ii++
}
}
type reviewT struct {
Index int
Review models.PeerReview
Questions models.Questions
QuestionItems []models.QuestionItem
Program models.Program
}
var res []reviewT
for _, r := range reviews {
if grade, err := models.FindGrade(r.GradeInstanceId); err == nil {
if attempt, err := models.FindAttempt(grade.AttemptInstanceId); err == nil {
program, _ := models.FindProgram(attempt.ProgramInstanceId)
tmp, _ := models.FindMachineProblem(grade.MachineProblemId)
q, _ := models.FindQuestionsByMachineProblem(tmp)
qs, _ := models.FindQuestionItems(mp, q)
k := reviewT{
Index: len(res) + 1,
Review: r,
Questions: q,
QuestionItems: qs,
Program: program,
}
res = append(res, k)
}
}
}
c.RenderArgs["reviews"] = res
} else {
c.RenderArgs["still_coding"] = true
}
return c.Render()
}