// HomeHandler is a http handler for the home page for logged in users.
func HomeHandler(w http.ResponseWriter, r *http.Request) {
member, err := checkMemberApproval(w, r, true)
if err != nil {
return
}
view := HomeView{
StdTemplate: StdTemplate{
Member: member,
},
Teaching: make(map[string]*git.Organization),
Assisting: make(map[string]*git.Organization),
Courses: make(map[string]*git.Organization),
}
for key := range member.Teaching {
view.Teaching[key], _ = git.NewOrganization(key, true)
}
for key := range member.AssistantCourses {
view.Assisting[key], _ = git.NewOrganization(key, true)
}
for key := range member.Courses {
view.Courses[key], _ = git.NewOrganization(key, true)
}
if !member.IsComplete() {
http.Redirect(w, r, pages.REGISTER_REDIRECT, 307)
return
}
execTemplate("home.html", w, view)
}
// RequestRandomGroupHandler is a http handler used by a student to request a random group assignment.
func RequestRandomGroupHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkMemberApproval(w, r, false)
if err != nil {
http.Error(w, err.Error(), 404)
log.Println(err)
return
}
orgname := r.FormValue("course")
if !git.HasOrganization(orgname) {
http.Error(w, "Does not have organization.", 404)
}
org, err := git.NewOrganization(orgname, false)
if err != nil {
http.Error(w, "Does not have organization.", 404)
}
defer func() {
err := org.Save()
if err != nil {
org.Unlock()
log.Println(err)
}
}()
org.PendingRandomGroup[member.Username] = nil
}
// SlipdaysHandler is used to get used slipdays for a user in a course.
func SlipdaysHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkMemberApproval(w, r, false)
if err != nil {
http.Error(w, err.Error(), 404)
log.Println(err)
return
}
orgname := r.FormValue("Course")
org, err := git.NewOrganization(orgname, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
view := SlipdaysView{
Course: orgname,
MaxSlipdays: org.SlipdaysMax,
}
if org.IsTeacher(member) {
username := r.FormValue("Username")
user, err := git.NewMemberFromUsername(username, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
if !org.IsMember(member) {
http.Error(w, "Unknown member of course.", 404)
return
}
courseopt := user.Courses[org.Name]
view.UsedSlipdays = courseopt.UsedSlipDays
view.Username = user.Username
} else if org.IsMember(member) {
courseopt := member.Courses[org.Name]
view.UsedSlipdays = courseopt.UsedSlipDays
view.Username = member.Username
} else {
http.Error(w, "Unknown member of course.", 404)
return
}
enc := json.NewEncoder(w)
err = enc.Encode(view)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
}
// RemoveUserHandler is http handler used to remove users from the list of students on a course.
func RemoveUserHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkTeacherApproval(w, r, true)
if err != nil {
http.Redirect(w, r, "/", 307)
log.Println(err)
return
}
username := r.FormValue("user")
course := r.FormValue("course")
if !git.HasOrganization(course) {
http.Error(w, "Unknown course.", 404)
return
}
org, err := git.NewOrganization(course, false)
if err != nil {
http.Error(w, "Not valid organization.", 404)
return
}
defer func() {
err := org.Save()
if err != nil {
org.Unlock()
log.Println(err)
}
}()
if !org.IsTeacher(member) {
http.Error(w, "Is not a teacher or assistant for this course.", 404)
return
}
user, err := git.NewMemberFromUsername(username, false)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
defer func() {
err := user.Save()
if err != nil {
user.Unlock()
log.Println(err)
}
}()
if org.IsMember(user) {
org.RemoveMembership(user)
user.RemoveOrganization(org)
} else {
http.Error(w, "Couldn't find this user in this course. ", 404)
return
}
}
// AddAssistantHandler is a http handler used to add users as assistants on a course.
func AddAssistantHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkTeacherApproval(w, r, false)
if err != nil {
log.Println(err)
return
}
username := r.FormValue("assistant")
course := r.FormValue("course")
if !git.HasOrganization(course) {
http.Error(w, "Unknown course.", 404)
return
}
if username == member.Username {
return
}
assistant, err := git.NewMemberFromUsername(username, false)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
defer func() {
if err := assistant.Save(); err != nil {
assistant.Unlock()
log.Println(err)
}
}()
org, err := git.NewOrganization(course, false)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
defer func() {
if err := org.Save(); err != nil {
org.Unlock()
log.Println(err)
}
}()
if !org.IsTeacher(member) {
http.Error(w, "User is not the teacher for this course.", 404)
return
}
assistant.AddAssistingOrganization(org)
org.AddTeacher(assistant)
if _, ok := org.PendingUser[username]; ok {
delete(org.PendingUser, username)
}
}
// RegisterCourseMemberHandler is a http handler which register new students
// signing up for a course. After registering the student, this handler
// gives back a informal page about how to accept the invitation to the
// organization on github.
func RegisterCourseMemberHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkMemberApproval(w, r, true)
if err != nil {
log.Println(err)
return
}
// Gets the org and check if valid
orgname := ""
if path := strings.Split(r.URL.Path, "/"); len(path) == 4 {
if !git.HasOrganization(path[3]) {
http.Redirect(w, r, "/course/register", 307)
return
}
orgname = path[3]
} else {
http.Redirect(w, r, "/course/register", 307)
return
}
org, err := git.NewOrganization(orgname, false)
if err != nil {
http.Redirect(w, r, "/course/register", 307)
return
}
defer func() {
err = org.Save()
if err != nil {
org.Unlock()
log.Println(err)
}
}()
if _, ok := org.Members[member.Username]; ok {
http.Redirect(w, r, "/course/"+orgname, 307)
return
}
err = org.AddMembership(member)
if err != nil {
log.Println("Error adding the student to course. Error msg:", err)
}
view := NewMemberView{
StdTemplate: StdTemplate{
Member: member,
},
Org: orgname,
}
execTemplate("course-registeredmemberinfo.html", w, view)
}
// ListReviewsHandler will write back a list of all the code reviews
// in a course, as json data.
//
// Expected input keys: course
func ListReviewsHandler(w http.ResponseWriter, r *http.Request) {
view := ListReviewsView{
Error: true,
}
enc := json.NewEncoder(w)
// Checks if the user is signed in.
member, err := checkMemberApproval(w, r, true)
if err != nil {
log.Println(err)
return
}
if r.FormValue("course") == "" {
view.Errormsg = "Missing required course field."
enc.Encode(view)
return
}
if !git.HasOrganization(r.FormValue("course")) {
view.Errormsg = "Unknown course."
enc.Encode(view)
return
}
org, err := git.NewOrganization(r.FormValue("course"), true)
if err != nil {
view.Errormsg = "Unknown course."
enc.Encode(view)
return
}
if !org.IsMember(member) {
view.Errormsg = "Not a member of this course."
enc.Encode(view)
return
}
crlist := []*git.CodeReview{}
for _, crid := range org.CodeReviewlist {
if cr, err := git.GetCodeReview(crid); err == nil {
crlist = append(crlist, cr)
}
}
view.Error = false
view.Reviews = crlist
enc.Encode(view)
}
// RemovePendingUserHandler is http handler used to remove users from the list of pending students on a course.
func RemovePendingUserHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkTeacherApproval(w, r, true)
if err != nil {
http.Redirect(w, r, "/", 307)
log.Println(err)
return
}
username := r.FormValue("user")
course := r.FormValue("course")
if !git.HasOrganization(course) {
http.Error(w, "Unknown course.", 404)
return
}
org, err := git.NewOrganization(course, false)
if err != nil {
http.Error(w, "Not valid organization.", 404)
return
}
defer func() {
err := org.Save()
if err != nil {
org.Unlock()
log.Println(err)
}
}()
org.Lock()
defer org.Unlock()
if !org.IsTeacher(member) {
http.Error(w, "Is not a teacher or assistant for this course.", 404)
return
}
if _, ok := org.PendingUser[username]; ok {
delete(org.PendingUser, username)
}
}
// ScoreboardHandler is a http handler to give the user a page
// showing the scoreboard for a course
func ScoreboardHandler(w http.ResponseWriter, r *http.Request) {
member, err := checkMemberApproval(w, r, true)
if err != nil {
return
}
// Gets the org and check if valid
orgname := ""
if path := strings.Split(r.URL.Path, "/"); len(path) == 3 {
if !git.HasOrganization(path[2]) {
http.Redirect(w, r, HomeURL, 307)
return
}
orgname = path[2]
} else {
http.Redirect(w, r, HomeURL, 307)
return
}
org, err := git.NewOrganization(orgname, true)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
if !org.IsMember(member) {
http.Redirect(w, r, HomeURL, 307)
return
}
view := ScoreboardView{
StdTemplate: StdTemplate{
Member: member,
},
Org: org,
}
execTemplate("scoreboard.html", w, view)
}
// CIResultSummaryHandler is a http handler used to get a build summary
// of the build for a user or group. This handler writes back the summary
// as JSON data.
func CIResultSummaryHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
teacher, err := checkTeacherApproval(w, r, false)
if err != nil {
http.Error(w, err.Error(), 404)
log.Println(err)
return
}
orgname := r.FormValue("Course")
username := r.FormValue("Username")
if orgname == "" || username == "" {
http.Error(w, "Empty request.", 404)
return
}
org, err := git.NewOrganization(orgname, true)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
if !org.IsTeacher(teacher) {
http.Error(w, "Not a teacher for this course.", 404)
return
}
res := make(map[string]*ci.BuildResult)
notes := make(map[string]string)
//credit := make(map[string]score.Score)
//if group ...
if strings.HasPrefix(username, git.GroupRepoPrefix) {
groupid, err := strconv.Atoi(username[len(git.GroupRepoPrefix):])
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
group, err := git.NewGroup(orgname, groupid, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
for labnum, lab := range group.Assignments {
labname := org.GroupLabFolders[labnum]
buildid := group.GetLastBuildID(labnum)
if buildid < 0 {
continue
}
build, err := ci.GetBuildResult(buildid)
if err != nil {
log.Println(err)
continue
}
res[labname] = build
notes[labname] = lab.Notes
//credit[labname] = lab.ExtraCredit
}
} else {
user, err := git.NewMemberFromUsername(username, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
courseopt, ok := user.Courses[orgname]
if ok {
for labnum, lab := range courseopt.Assignments {
labname := org.IndividualLabFolders[labnum]
buildid := user.GetLastBuildID(orgname, labnum)
if buildid < 0 {
continue
}
build, err := ci.GetBuildResult(buildid)
if err != nil {
log.Println(err)
continue
}
res[labname] = build
notes[labname] = lab.Notes
//credit[labname] = lab.ExtraCredit
}
}
}
view := SummaryView{
Course: orgname,
User: username,
Summary: res,
Notes: notes,
//ExtraCredit: credit,
}
enc := json.NewEncoder(w)
err = enc.Encode(view)
if err != nil {
http.Error(w, err.Error(), 404)
}
}
// ManualCITriggerHandler is a http handler for manually triggering test builds.
func ManualCITriggerHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkMemberApproval(w, r, false)
if err != nil {
http.Error(w, err.Error(), 404)
log.Println(err)
return
}
course := r.FormValue("course")
user := r.FormValue("user")
lab := r.FormValue("lab")
if !git.HasOrganization(course) {
http.Error(w, "Unknown organization", 404)
return
}
org, err := git.NewOrganization(course, true)
if err != nil {
http.Error(w, "Organization Error", 404)
return
}
// Defaults back to username or group name for the user if not a teacher.
if !org.IsTeacher(member) {
if org.IsMember(member) {
if strings.Contains(user, "group") {
if member.Courses[org.Name].IsGroupMember {
user = "******" + strconv.Itoa(member.Courses[org.Name].GroupNum)
} else {
http.Error(w, "Not a group member", 404)
return
}
} else {
user = member.Username
}
} else {
http.Error(w, "Not a member of the course", 404)
return
}
}
groupid := -1
labnum := -1
if strings.Contains(user, "group") {
groupid, err = strconv.Atoi(user[len("group"):])
if err != nil {
http.Error(w, err.Error(), 500)
return
}
for i, name := range org.GroupLabFolders {
if name == lab {
labnum = i
break
}
}
} else {
for i, name := range org.IndividualLabFolders {
if name == lab {
labnum = i
break
}
}
}
var repo string
var destfolder string
if _, ok := org.Members[user]; ok {
repo = user + "-" + git.StandardRepoName
destfolder = git.StandardRepoName
} else if _, ok := org.Groups[user]; ok {
repo = user
destfolder = git.GroupsRepoName
} else {
http.Error(w, "Unknown user", 404)
return
}
opt := ci.DaemonOptions{
Org: org.Name,
User: user,
Group: groupid,
Repo: repo,
BaseFolder: org.CI.Basepath,
LabFolder: lab,
LabNumber: labnum,
AdminToken: org.AdminToken,
DestFolder: destfolder,
Secret: org.CI.Secret,
IsPush: false,
}
log.Println(opt)
ci.StartTesterDaemon(opt)
}
// CIResultHandler is a http handeler for getting results from
// a build. This handler writes back the results as JSON data.
func CIResultHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkMemberApproval(w, r, false)
if err != nil {
http.Error(w, err.Error(), 404)
log.Println(err)
return
}
// TODO: add more security
orgname := r.FormValue("Course")
username := r.FormValue("Username")
labname := r.FormValue("Labname")
org, err := git.NewOrganization(orgname, true)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
if !org.IsMember(member) {
http.Error(w, "Not a member for this course.", 404)
return
}
var res *ci.BuildResult
if strings.HasPrefix(username, git.GroupRepoPrefix) {
labnum := -1
for i, name := range org.GroupLabFolders {
if name == labname {
labnum = i
break
}
}
if labnum < 0 {
http.Error(w, "No lab with that name found.", 404)
return
}
groupid, err := strconv.Atoi(username[len(git.GroupRepoPrefix):])
if err != nil {
http.Error(w, "Could not convert the group ID.", 404)
return
}
group, err := git.NewGroup(orgname, groupid, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
buildid := group.GetLastBuildID(labnum)
if buildid < 0 {
http.Error(w, "Could not find the build.", 404)
return
}
res, err = ci.GetBuildResult(buildid)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
} else {
labnum := -1
for i, name := range org.IndividualLabFolders {
if name == labname {
labnum = i
break
}
}
if labnum < 0 {
http.Error(w, "No lab with that name found.", 404)
return
}
user, err := git.NewMemberFromUsername(username, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
buildid := user.GetLastBuildID(orgname, labnum)
if buildid < 0 {
http.Error(w, "Could not find the build.", 404)
return
}
res, err = ci.GetBuildResult(buildid)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
}
enc := json.NewEncoder(w)
err = enc.Encode(res)
if err != nil {
http.Error(w, err.Error(), 404)
}
}
// AddGroupMemberHandler is a http handler adding an additional member to a active group.
func AddGroupMemberHandler(w http.ResponseWriter, r *http.Request) {
view := AddGroupMemberView{}
view.Error = true
enc := json.NewEncoder(w)
// Checks if the user is signed in and a teacher.
member, err := checkTeacherApproval(w, r, true)
if err != nil {
err = enc.Encode(ErrSignIn)
return
}
orgname := r.FormValue("course")
if orgname == "" || !git.HasOrganization(orgname) {
err = enc.Encode(ErrUnknownCourse)
return
}
groupid, err := strconv.Atoi(r.FormValue("groupid"))
if err != nil {
view.ErrorMsg = err.Error()
err = enc.Encode(view)
return
}
if !git.HasGroup(groupid) {
err = enc.Encode(ErrUnknownGroup)
return
}
org, err := git.NewOrganization(orgname, false)
if err != nil {
view.ErrorMsg = err.Error()
err = enc.Encode(view)
return
}
defer func() {
err := org.Save()
if err != nil {
org.Unlock()
log.Println(err)
}
}()
if !org.IsTeacher(member) {
err = enc.Encode(ErrNotTeacher)
return
}
group, err := git.NewGroup(orgname, groupid, false)
if err != nil {
view.ErrorMsg = err.Error()
err = enc.Encode(view)
return
}
defer func() {
err := group.Save()
if err != nil {
group.Unlock()
log.Println(err)
}
}()
if group.TeamID == 0 {
teams, err := org.ListTeams()
if err != nil {
view.ErrorMsg = err.Error()
err = enc.Encode(view)
return
}
if team, ok := teams[git.GroupRepoPrefix+strconv.Itoa(groupid)]; ok {
group.TeamID = team.ID
} else {
view.ErrorMsg = "Error finding team on GitHub."
err = enc.Encode(view)
return
}
}
r.ParseForm()
members := r.PostForm["member"]
for _, username := range members {
if username == "" || !git.HasMember(username) {
continue
}
group.AddMember(username)
org.AddMemberToTeam(group.TeamID, username)
delete(org.PendingRandomGroup, username)
}
group.Activate()
view.Added = true
view.Error = false
enc.Encode(view)
}
// TeachersPanelHandler is a http handler serving the Teacher panel.
// This page shows a summary of all the students and groups.
func TeachersPanelHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkTeacherApproval(w, r, true)
if err != nil {
log.Println(err)
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
// Gets the org and check if valid
orgname := ""
if path := strings.Split(r.URL.Path, "/"); len(path) == 4 {
if !git.HasOrganization(path[3]) {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
orgname = path[3]
} else {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
org, err := git.NewOrganization(orgname, true)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
if !org.IsTeacher(member) {
log.Println("User is not a teacher for this course.")
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
// gets pending users
users := org.PendingUser
var status string
for username := range users {
// check status up against Github
users[username], err = git.NewMemberFromUsername(username, true)
if err != nil {
continue
}
status, err = org.GetMembership(users[username].(*git.Member))
if err != nil {
log.Println(err)
continue
}
if status == "active" {
continue
// TODO: what about group assignments?
} else if status == "pending" {
delete(users, username)
} else {
delete(users, username)
log.Println("Got a unexpected status back from Github regarding Membership")
}
}
// gets teachers
for username := range org.Teachers {
org.Teachers[username], _ = git.NewMemberFromUsername(username, true)
}
// gets users
for username := range org.Members {
org.Members[username], _ = git.NewMemberFromUsername(username, true)
}
// get pending groups
pendinggroups := make(map[int]*git.Group)
for groupID := range org.PendingGroup {
group, err := git.NewGroup(org.Name, groupID, true)
if err != nil {
log.Println(err)
}
if group.Course != org.Name {
org.Lock()
delete(org.PendingGroup, groupID)
err := org.Save()
if err != nil {
log.Println(err)
org.Unlock()
}
continue
}
for key := range group.Members {
groupmember, _ := git.NewMemberFromUsername(key, true)
group.Members[key] = groupmember
}
pendinggroups[groupID] = group
}
// get groups
for groupname := range org.Groups {
groupID, _ := strconv.Atoi(groupname[5:])
group, _ := git.NewGroup(org.Name, groupID, true)
for key := range group.Members {
groupmember, _ := git.NewMemberFromUsername(key, true)
group.Members[key] = groupmember
}
org.Groups[groupname] = group
}
_, _, labtype := org.FindCurrentLab()
view := TeachersPanelView{
StdTemplate: StdTemplate{
Member: member,
},
PendingUser: users,
Org: org,
PendingGroup: pendinggroups,
CurrentLabType: labtype,
}
execTemplate("teacherspanel.html", w, view)
}
// ApUserResultsHandler is a http handeler for getting all results for a user
// from the latest anti-plagiarism test. This handler writes back the results as JSON data.
func ApUserResultsHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkMemberApproval(w, r, false)
if err != nil {
http.Error(w, err.Error(), 404)
log.Println(err)
return
}
// TODO: add more security
orgname := r.FormValue("Course")
username := r.FormValue("Username")
org, err := git.NewOrganization(orgname, true)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
if !org.IsMember(member) {
http.Error(w, "Not a member for this course.", 404)
return
}
results := make(map[string]git.AntiPlagiarismResults)
if strings.HasPrefix(username, git.GroupRepoPrefix) {
// Get the group ID from the group name
groupid, err := strconv.Atoi(username[len(git.GroupRepoPrefix):])
if err != nil {
http.Error(w, "Could not convert the group ID.", 404)
return
}
// Get the group from the database
group, err := git.NewGroup(orgname, groupid, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
// For each lab
for i, name := range org.GroupLabFolders {
// Get the results for the lab
temp := group.GetAntiPlagiarismResults(org.Name, i)
if temp != nil {
results[name] = *temp
}
}
} else {
// Get user from the database
user, err := git.NewMemberFromUsername(username, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
// For each lab
for i, name := range org.IndividualLabFolders {
// Get the results for the lab
temp := user.GetAntiPlagiarismResults(org.Name, i)
if temp != nil {
results[name] = *temp
}
}
}
enc := json.NewEncoder(w)
// Encode the results in JSON
err = enc.Encode(results)
if err != nil {
http.Error(w, err.Error(), 404)
}
}
// NotesHandler will add a note to a lab for a given user.
// Page requested with method GET will return latest note and POST will store a
// new note to the user or group.
// required input:
// - Course
// - Username //or
// - Group
// - labnum
// - Notes
func NotesHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
teacher, err := checkTeacherApproval(w, r, false)
if err != nil {
http.Error(w, err.Error(), 404)
log.Println(err)
return
}
course := r.FormValue("Course")
username := r.FormValue("Username")
notes := r.FormValue("Notes")
groupid, _ := strconv.Atoi(r.FormValue("Group"))
labnum, err := strconv.Atoi(r.FormValue("Labnum"))
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
org, err := git.NewOrganization(course, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
if !org.IsTeacher(teacher) {
log.Println(err)
http.Error(w, "Not a teacher of this course", 404)
return
}
if groupid > 0 {
group, err := git.NewGroup(org.Name, groupid, false)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
if group.Course != org.Name {
log.Println(err)
http.Error(w, "Not a group in this course", 404)
return
}
if r.Method == "POST" {
group.AddNotes(labnum, notes)
} else {
view := &NotesView{
Course: course,
Group: groupid,
Labnum: labnum,
Notes: group.GetNotes(labnum),
}
enc := json.NewEncoder(w)
if err = enc.Encode(view); err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
}
if err = group.Save(); err != nil {
group.Unlock()
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
} else {
user, err := git.NewMemberFromUsername(username, false)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
if !org.IsMember(user) {
log.Println(err)
http.Error(w, "Not a member of this course", 404)
return
}
if r.Method == "POST" {
user.AddNotes(org.Name, labnum, notes)
} else {
view := &NotesView{
Course: course,
Username: username,
Labnum: labnum,
Notes: user.GetNotes(course, labnum),
}
enc := json.NewEncoder(w)
if err = enc.Encode(view); err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
}
if err = user.Save(); err != nil {
user.Unlock()
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
}
}
// ApLabResultsHandler is a http handeler for getting results for one lab of a user
// from the latest anti-plagiarism test. This handler writes back the results as JSON data.
func ApLabResultsHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkMemberApproval(w, r, false)
if err != nil {
http.Error(w, err.Error(), 404)
log.Println(err)
return
}
// TODO: add more security
orgname := r.FormValue("Course")
username := r.FormValue("Username")
labname := r.FormValue("Labname")
org, err := git.NewOrganization(orgname, true)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
if !org.IsMember(member) {
http.Error(w, "Not a member for this course.", 404)
return
}
var results *git.AntiPlagiarismResults
if strings.HasPrefix(username, git.GroupRepoPrefix) {
labIndex := -1
// Find the correct lab index
for i, name := range org.GroupLabFolders {
if name == labname {
labIndex = i
break
}
}
if labIndex < 0 {
http.Error(w, "No lab with that name found.", 404)
return
}
// Get the group ID from the group name
groupid, err := strconv.Atoi(username[len(git.GroupRepoPrefix):])
if err != nil {
http.Error(w, "Could not convert the group ID.", 404)
return
}
// Get the group from the database
group, err := git.NewGroup(orgname, groupid, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
// Get the results for the lab
results = group.GetAntiPlagiarismResults(org.Name, labIndex)
} else {
labIndex := -1
// Find the correct lab index
for i, name := range org.IndividualLabFolders {
if name == labname {
labIndex = i
break
}
}
if labIndex < 0 {
http.Error(w, "No lab with that name found.", 404)
return
}
// Get the user from the database
user, err := git.NewMemberFromUsername(username, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
// Get the results for the lab
results = user.GetAntiPlagiarismResults(org.Name, labIndex)
}
enc := json.NewEncoder(w)
err = enc.Encode(results)
if err != nil {
http.Error(w, err.Error(), 404)
}
}
// CreateOrgHandler is a http handler which will link a new course
// to a github organization. This function will make a new course
// in autograder and then create all needed repositories on github.
//
// Expected input: org, desc, groups, indv
// Optional input: private, template
func CreateOrgHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkTeacherApproval(w, r, true)
if err != nil {
log.Println(err)
return
}
member.Lock()
org, err := git.NewOrganization(r.FormValue("org"), false)
if err != nil {
log.Println(err)
return
}
defer func() {
// Saved the new organization info
err = org.Save()
if err != nil {
org.Unlock()
member.Unlock()
log.Println(err)
return
}
err = member.Save()
if err != nil {
member.Unlock()
log.Println(err)
return
}
}()
log.Println("Creating Course")
org.AdminToken = member.GetToken()
org.Private = r.FormValue("private") == "on"
org.ScreenName = org.Name
org.Description = r.FormValue("desc")
groups, err := strconv.Atoi(r.FormValue("groups"))
if err != nil {
log.Println("Cannot convert number of groups assignments from string to int: ", err)
groups = 0
}
org.GroupAssignments = groups
indv, err := strconv.Atoi(r.FormValue("indv"))
if err != nil {
log.Println("Cannot convert number of individual assignments from string to int: ", err)
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
org.IndividualAssignments = indv
currepos, err := org.ListRepos()
if err != nil {
log.Println("Problem listing repos in the new course organization: ", err)
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
templaterepos := make(map[string]git.Repo)
if r.FormValue("template") != "" {
templateorg, _ := git.NewOrganization(r.FormValue("template"), true)
templaterepos, err = templateorg.ListRepos()
if err != nil {
log.Println("Problem listing repos in the template organization: ", err)
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
}
// creates the course info repo
if _, ok := currepos[git.CourseInfoName]; !ok {
if _, ok = templaterepos[git.CourseInfoName]; ok {
err = org.Fork(r.FormValue("template"), git.CourseInfoName)
if err != nil {
log.Println("Couldn't fork the course info repo: ", err)
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
} else {
repo := git.RepositoryOptions{
Name: git.CourseInfoName,
Private: false,
AutoInit: true,
}
err = org.CreateRepo(repo)
if err != nil {
log.Println(err)
return
}
}
}
log.Println("Created ", org.Name, "/", git.CourseInfoName)
// creates the lab assignment repo
labsl := make(chan int, 1)
if _, ok := currepos[git.StandardRepoName]; !ok {
go func(l chan int) {
defer func() {
log.Println("Created ", org.Name, "/", git.StandardRepoName)
l <- 1
}()
if _, ok = templaterepos[git.StandardRepoName]; ok {
err = org.Fork(r.FormValue("template"), git.StandardRepoName)
if err != nil {
log.Println("Couldn't fork the individual assignment repo: ", err)
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
} else {
repo := git.RepositoryOptions{
Name: git.StandardRepoName,
Private: org.Private,
AutoInit: true,
Issues: true,
}
err = org.CreateRepo(repo)
if err != nil {
log.Println(err)
return
}
_, err = org.CreateFile(git.StandardRepoName, ".gitignore", git.IgnoreFileContent, "Standard .gitignore file")
if err != nil {
log.Println(err)
}
for i := 0; i < org.IndividualAssignments; i++ {
path := "lab" + strconv.Itoa(i+1) + "/README.md"
commitmessage := "Adding readme file for lab assignment " + strconv.Itoa(i+1)
content := "# Lab assignment " + strconv.Itoa(i+1)
_, err = org.CreateFile(git.StandardRepoName, path, content, commitmessage)
if err != nil {
log.Println(err)
}
}
}
}(labsl)
} else {
labsl <- 1
}
// creates test repo
testl := make(chan int, 1)
if _, ok := currepos[git.TestRepoName]; !ok {
go func(l chan int) {
defer func() {
log.Println("Created ", org.Name, "/", git.TestRepoName)
l <- 1
}()
if _, ok = templaterepos[git.TestRepoName]; ok {
err = org.Fork(r.FormValue("template"), git.TestRepoName)
if err != nil {
log.Println("Couldn't fork the test repo: ", err)
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
} else {
repo := git.RepositoryOptions{
Name: git.TestRepoName,
Private: org.Private,
AutoInit: true,
Issues: true,
//Hook: "push", // TODO: uncomment when CI rebuilds all on new test.
}
err = org.CreateRepo(repo)
if err != nil {
log.Println(err)
return
}
for i := 0; i < org.IndividualAssignments; i++ {
path := "lab" + strconv.Itoa(i+1) + "/README.md"
commitmessage := "Adding readme file for lab assignment " + strconv.Itoa(i+1)
content := "# Lab assignment " + strconv.Itoa(i+1)
_, err = org.CreateFile(git.TestRepoName, path, content, commitmessage)
content = "# Lab assignment " + strconv.Itoa(i+1) + " test"
if err != nil {
log.Println(err)
}
}
for i := 0; i < org.GroupAssignments; i++ {
path := "grouplab" + strconv.Itoa(i+1) + "/README.md"
commitmessage := "Adding readme file for lab assignment " + strconv.Itoa(i+1)
content := "# Lab assignment " + strconv.Itoa(i+1)
_, err = org.CreateFile(git.TestRepoName, path, content, commitmessage)
content = "# Lab assignment " + strconv.Itoa(i+1) + " test"
if err != nil {
log.Println(err)
}
}
}
}(testl)
} else {
testl <- 1
}
// creates the group assignment repo, if number of assignments are larger than 0.
glabsl := make(chan int)
if org.GroupAssignments > 0 {
if _, ok := currepos[git.GroupsRepoName]; !ok {
go func(l chan int) {
defer func() {
log.Println("Created ", org.Name, "/", git.GroupsRepoName)
l <- 1
}()
if _, ok = templaterepos[git.GroupsRepoName]; ok {
err = org.Fork(r.FormValue("template"), git.GroupsRepoName)
if err != nil {
log.Println("Couldn't fork the group assignment repo: ", err)
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
} else {
repo := git.RepositoryOptions{
Name: git.GroupsRepoName,
Private: org.Private,
AutoInit: true,
Issues: true,
}
err = org.CreateRepo(repo)
if err != nil {
log.Println(err)
return
}
_, err = org.CreateFile(git.GroupsRepoName, ".gitignore", git.IgnoreFileContent, "Standard .gitignore file")
if err != nil {
log.Println(err)
}
for i := 0; i < org.GroupAssignments; i++ {
path := "grouplab" + strconv.Itoa(i+1) + "/README.md"
commitmessage := "Adding readme file for lab assignment " + strconv.Itoa(i+1)
content := "# Lab assignment " + strconv.Itoa(i+1)
_, err = org.CreateFile(git.GroupsRepoName, path, content, commitmessage)
content = "# Lab assignment " + strconv.Itoa(i+1) + " test"
if err != nil {
log.Println(err)
}
}
}
}(glabsl)
} else {
glabsl <- 1
}
} else {
glabsl <- 1
}
// wait on github completion of repos
// TODO: fix correct channel use further up.
<-labsl
<-testl
<-glabsl
// Creates the student team
// TODO: put this in a seperate go rutine and check if the team exsists already.
var repos []string
repos = append(repos, git.StandardRepoName, git.CourseInfoName)
if org.GroupAssignments > 0 {
repos = append(repos, git.GroupsRepoName)
}
team := git.TeamOptions{
Name: "students",
Permission: git.PullPermission,
RepoNames: repos,
}
org.StudentTeamID, err = org.CreateTeam(team)
if err != nil {
log.Println(err)
}
log.Println("Created team ", org.Name, "/", "students")
org.AddTeacher(member)
member.AddTeachingOrganization(org)
http.Redirect(w, r, pages.FRONTPAGE, 307)
}
// LeaderboardDataHandler is a http handler which return the leaderboard for a course in JSON format.
func LeaderboardDataHandler(w http.ResponseWriter, r *http.Request) {
view := LeaderboardDataView{}
view.Error = true
enc := json.NewEncoder(w)
member, err := checkMemberApproval(w, r, true)
if err != nil {
enc.Encode(ErrAccessToken)
return
}
orgname := r.FormValue("course")
period, err := strconv.Atoi(r.FormValue("period"))
if err != nil {
enc.Encode(ErrMissingField)
return
}
if !git.HasOrganization(orgname) {
enc.Encode(ErrUnknownCourse)
return
}
org, err := git.NewOrganization(orgname, true)
if err != nil {
view.ErrorMsg = err.Error()
enc.Encode(view)
return
}
if !org.IsMember(member) {
enc.Encode(ErrNotMember)
return
}
var t time.Time
if period == TotalScore {
view.Error = false
view.Leaderboard = org.GetTotalLeaderboard()
view.Scores = org.TotalScore
} else if period == MonthlyScore {
t, err = time.Parse("1", r.FormValue("month"))
if err != nil {
t = time.Now()
}
month := t.Month()
view.Error = false
view.Leaderboard = org.GetMonthlyLeaderboard(month)
view.Scores = org.MonthlyScore[month]
} else if period == WeeklyScore {
week, err := strconv.Atoi(r.FormValue("week"))
if err != nil {
_, week = time.Now().ISOWeek()
}
if week < 1 || week > 53 {
view.ErrorMsg = "Week need to be between 1 and 53."
enc.Encode(view)
return
}
view.Error = false
view.Leaderboard = org.GetWeeklyLeaderboard(week)
view.Scores = org.WeeklyScore[week]
}
enc.Encode(view)
}
// PublishReviewHandler is a http handler which will publish a new
// code review to github. The function output json as the answer.
//
// Expected input keys: course, title, fileext, desc and code.
func PublishReviewHandler(w http.ResponseWriter, r *http.Request) {
view := PublishReviewView{
Error: true,
}
enc := json.NewEncoder(w)
// Checks if the user is signed in.
member, err := checkMemberApproval(w, r, true)
if err != nil {
view.Errormsg = "Not logged in."
enc.Encode(view)
return
}
if r.FormValue("course") == "" || r.FormValue("title") == "" ||
r.FormValue("fileext") == "" || r.FormValue("desc") == "" ||
r.FormValue("code") == "" {
view.Errormsg = "Missing some required input data."
enc.Encode(view)
return
}
if !git.HasOrganization(r.FormValue("course")) {
view.Errormsg = "Unknown course."
enc.Encode(view)
return
}
org, err := git.NewOrganization(r.FormValue("course"), false)
if err != nil {
view.Errormsg = "Error while getting orgaization data from storage."
enc.Encode(view)
return
}
defer func() {
if err := org.Save(); err != nil {
org.Unlock()
log.Println(err)
}
}()
if !org.IsMember(member) {
view.Errormsg = "Not a member of this course."
enc.Encode(view)
return
}
alfanumreg, err := regexp.Compile("[^A-Za-z0-9]+")
if err != nil {
view.Errormsg = "Internal sanitazion error."
enc.Encode(view)
return
}
reg, err := regexp.Compile("[^A-Za-z0-9 -.]+")
if err != nil {
view.Errormsg = "Internal sanitazion error."
enc.Encode(view)
return
}
// removes illigal chars
ext := r.FormValue("fileext")
ext = alfanumreg.ReplaceAllString(ext, "")
ext = strings.TrimSpace(ext)
title := r.FormValue("title")
title = reg.ReplaceAllString(title, "")
title = strings.TrimSpace(title)
cr, err := git.NewCodeReview()
if err != nil {
view.Errormsg = "Couldn't create code review: " + err.Error()
enc.Encode(view)
return
}
cr.Title = title
cr.Ext = ext
cr.Desc = r.FormValue("desc")
cr.Code = r.FormValue("code")
cr.User = member.Username
err = org.AddCodeReview(cr)
if err != nil {
view.Errormsg = err.Error()
enc.Encode(view)
return
}
if err := cr.Save(); err != nil {
view.Errormsg = err.Error()
enc.Encode(view)
return
}
view.Error = false
view.CommitURL = cr.URL
enc.Encode(view)
}
// CIResultListHandler returns a list of a given number of build results for a
// group or user.
// Required input:
// - Course string
// - Username string //or
// - Group int // if Group value is higher than 0 it defaults to group selection.
// - Labnum int
// - Length int // number of results to find, defoult 10
// - Offset int // default 0
func CIResultListHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
teacher, err := checkTeacherApproval(w, r, false)
if err != nil {
http.Error(w, err.Error(), 404)
log.Println(err)
return
}
course := r.FormValue("Course")
username := r.FormValue("Username")
groupid, _ := strconv.Atoi(r.FormValue("Group"))
labnum, err := strconv.Atoi(r.FormValue("Labnum"))
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
length, err := strconv.Atoi(r.FormValue("Length"))
if err != nil {
length = 10
}
offset, _ := strconv.Atoi(r.FormValue("Offset"))
org, err := git.NewOrganization(course, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
if !org.IsTeacher(teacher) {
log.Println(err)
http.Error(w, "Not a teacher of this course", 404)
return
}
view := CIResultListview{
Course: course,
Username: username,
Group: groupid,
Labnum: labnum,
Length: length,
Offset: offset,
Builds: make([]*ci.BuildResult, 0),
}
if groupid > 0 {
group, err := git.NewGroup(org.Name, groupid, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
if group.Course != org.Name {
log.Println(err)
http.Error(w, "Not a group in this course", 404)
return
}
if lab, ok := group.Assignments[labnum]; ok {
buildlength := len(lab.Builds) - offset
for i := buildlength; i > buildlength && i >= 0; i-- {
build, err := ci.GetBuildResult(lab.Builds[i])
if err != nil {
log.Println(err)
continue
}
view.Builds = append(view.Builds, build)
}
}
} else {
user, err := git.NewMemberFromUsername(username, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
if !org.IsMember(user) {
log.Println(err)
http.Error(w, "Not a member of this course", 404)
return
}
if courseopt, ok := user.Courses[org.Name]; ok {
if lab, ok := courseopt.Assignments[labnum]; ok {
buildlength := len(lab.Builds) - offset
for i := buildlength; i > buildlength && i >= 0; i-- {
build, err := ci.GetBuildResult(lab.Builds[i])
if err != nil {
log.Println(err)
continue
}
view.Builds = append(view.Builds, build)
}
}
}
}
enc := json.NewEncoder(w)
err = enc.Encode(view)
if err != nil {
http.Error(w, err.Error(), 404)
}
}
// NewGroupHandler is a http handler used when submitting a new group for approval.
func NewGroupHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in.
member, err := checkMemberApproval(w, r, false)
if err != nil {
http.Error(w, err.Error(), 404)
log.Println(err)
return
}
newgrouplock.Lock()
defer newgrouplock.Unlock()
course := r.FormValue("course")
if _, ok := member.Courses[course]; !ok {
http.Redirect(w, r, pages.FRONTPAGE, 307)
log.Println("Unknown course.")
return
}
org, err := git.NewOrganization(course, false)
if err != nil {
http.Error(w, err.Error(), 500)
log.Println(err)
return
}
defer func() {
err := org.Save()
if err != nil {
org.Unlock()
log.Println(err)
}
}()
//org.GroupCount = org.GroupCount + 1
gid := git.GetNextGroupID()
if gid < 0 {
http.Redirect(w, r, pages.FRONTPAGE, 307)
log.Println("Error while getting next group ID.")
return
}
group, err := git.NewGroup(course, gid, false)
if err != nil {
http.Redirect(w, r, pages.FRONTPAGE, 307)
log.Println("Couldn't make new group object.", err)
return
}
defer func() {
err := group.Save()
if err != nil {
group.Unlock()
log.Println(err)
}
}()
r.ParseForm()
members := r.PostForm["member"]
if !org.IsTeacher(member) {
var found bool
for _, u := range members {
if u == member.Username {
found = true
}
}
if !found {
members = append(members, member.Username)
}
}
var opt git.CourseOptions
for _, username := range members {
user, err := git.NewMemberFromUsername(username, true)
if err != nil {
continue
}
opt = user.Courses[course]
if !opt.IsGroupMember {
user.Lock()
opt.IsGroupMember = true
opt.GroupNum = group.ID
user.Courses[course] = opt
err := user.Save()
if err != nil {
user.Unlock()
log.Println(err)
}
group.AddMember(username)
}
delete(org.PendingRandomGroup, username)
}
org.PendingGroup[group.ID] = nil
if member.IsTeacher {
http.Redirect(w, r, "/course/teacher/"+org.Name+"#groups", 307)
} else {
http.Redirect(w, r, "/course/"+org.Name+"#groups", 307)
}
}
// RemovePendingGroupHandler is used to remove a group.
func RemovePendingGroupHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkTeacherApproval(w, r, true)
if err != nil {
http.Redirect(w, r, "/", 307)
log.Println(err)
return
}
groupid, err := strconv.Atoi(r.FormValue("groupid"))
if err != nil {
http.Error(w, "Group ID is not a number: "+err.Error(), 404)
return
}
course := r.FormValue("course")
if !git.HasOrganization(course) {
http.Error(w, "Unknown course.", 404)
return
}
org, err := git.NewOrganization(course, false)
if err != nil {
http.Error(w, "Unknown course.", 404)
return
}
defer func() {
err := org.Save()
if err != nil {
org.Unlock()
log.Println(err)
}
}()
if !org.IsTeacher(member) {
http.Error(w, "Is not a teacher or assistant for this course.", 404)
return
}
if !git.HasGroup(groupid) {
groupname := git.GroupRepoPrefix + strconv.Itoa(groupid)
if _, ok := org.Groups[groupname]; ok {
delete(org.Groups, groupname)
return
}
http.Error(w, "Unknown group.", 404)
return
}
if _, ok := org.PendingGroup[groupid]; ok {
delete(org.PendingGroup, groupid)
}
groupname := git.GroupRepoPrefix + strconv.Itoa(groupid)
if _, ok := org.Groups[groupname]; ok {
delete(org.Groups, groupname)
}
group, err := git.NewGroup(org.Name, groupid, false)
if err != nil {
http.Error(w, "Could not get the group: "+err.Error(), 404)
return
}
group.Delete()
}
// UpdateCourseHandler is a http handler used to update course information.
func UpdateCourseHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkTeacherApproval(w, r, true)
if err != nil {
http.Redirect(w, r, pages.FRONTPAGE, 307)
log.Println(err)
return
}
r.ParseForm()
orgname := r.FormValue("org")
org, err := git.NewOrganization(orgname, false)
if err != nil {
http.Error(w, err.Error(), 500)
return
}
defer func() {
err := org.Save()
if err != nil {
org.Unlock()
log.Println(err)
}
}()
if !org.IsTeacher(member) {
http.Error(w, "Not valid organization.", 404)
return
}
indv, err := strconv.Atoi(r.FormValue("indv"))
if err != nil {
http.Error(w, "Cant use the individual assignment format.", 415)
return
}
org.IndividualAssignments = indv
groups, err := strconv.Atoi(r.FormValue("groups"))
if err != nil {
http.Error(w, "Cant use the group assignment format.", 415)
return
}
org.GroupAssignments = groups
if r.FormValue("screenname") == "" {
org.ScreenName = org.Name
} else {
org.ScreenName = r.FormValue("screenname")
}
org.Description = r.FormValue("desc")
org.Private = r.FormValue("private") == "on"
org.CodeReview = r.FormValue("codereview") == "on"
org.Slipdays = r.FormValue("slipdays") == "on"
maxslipdays, err := strconv.Atoi(r.FormValue("maxslipdays"))
if err != nil {
http.Error(w, "Cant use the max slip days format.", 415)
return
}
org.SlipdaysMax = maxslipdays
basepath := r.FormValue("basepath")
if basepath != "" {
org.CI.Basepath = basepath
}
indvfolders := r.PostForm["lab"]
for i := 1; i <= indv; i = i + 1 {
if len(indvfolders) <= i-1 {
org.IndividualLabFolders[i] = "lab" + strconv.Itoa(i)
continue
}
if fname := indvfolders[i-1]; fname != "" {
org.IndividualLabFolders[i] = fname
} else {
org.IndividualLabFolders[i] = "lab" + strconv.Itoa(i)
}
}
groupfolders := r.PostForm["group"]
for i := 1; i <= groups; i = i + 1 {
if len(groupfolders) <= i-1 {
org.GroupLabFolders[i] = "grouplab" + strconv.Itoa(i)
continue
}
if fname := groupfolders[i-1]; fname != "" {
org.GroupLabFolders[i] = fname
} else {
org.GroupLabFolders[i] = "grouplab" + strconv.Itoa(i)
}
}
timelayout := "02/01/2006 15:04"
indvdeadlines := r.PostForm["indvdeadline"]
for i := 1; i <= indv; i = i + 1 {
if len(indvdeadlines) <= i-1 {
org.SetIndividualDeadline(i, time.Now())
continue
}
if timestring := indvdeadlines[i-1]; timestring != "" {
t, err := time.Parse(timelayout, timestring)
if err != nil {
org.SetIndividualDeadline(i, time.Now())
} else {
org.SetIndividualDeadline(i, t)
}
}
}
groupdeadlines := r.PostForm["groupdeadline"]
for i := 1; i <= groups; i = i + 1 {
if len(groupdeadlines) <= i-1 {
org.SetGroupDeadline(i, time.Now())
continue
}
if timestring := groupdeadlines[i-1]; timestring != "" {
t, err := time.Parse(timelayout, timestring)
if err != nil {
org.SetGroupDeadline(i, time.Now())
} else {
org.SetGroupDeadline(i, t)
}
}
}
http.Redirect(w, r, "/course/teacher/"+org.Name, 307)
}
// ApManualTestHandler is a http handler for manually triggering
// anti-plagiarism tests.
func ApManualTestHandler(w http.ResponseWriter, r *http.Request) {
if !git.HasOrganization(r.FormValue("course")) {
http.Error(w, "Unknown organization", 404)
log.Println("Unknown organization")
return
}
org, err := git.NewOrganization(r.FormValue("course"), true)
if err != nil {
http.Error(w, "Organization Error", 404)
log.Println(err)
return
}
var labs []*apProto.ApRequestLab
var repos []string
isGroup := false
if strings.Contains(r.FormValue("labs"), "group") {
// Get the information for groups
isGroup = true
length := len(org.GroupLabFolders)
for i := 1; i <= length; i++ {
if org.GroupLabFolders[i] != "" {
labs = append(labs, &apProto.ApRequestLab{Name: org.GroupLabFolders[i],
Language: org.GroupLanguages[i]})
}
}
// The order of the repos does not matter.
for groupName := range org.Groups {
repos = append(repos, groupName)
}
} else {
// Get the information for individuals
isGroup = false
length := len(org.IndividualLabFolders)
for i := 1; i <= length; i++ {
if org.IndividualLabFolders[i] != "" {
labs = append(labs, &apProto.ApRequestLab{Name: org.IndividualLabFolders[i],
Language: org.IndividualLanguages[i]})
}
}
// The order of the repos does not matter.
for indvName := range org.Members {
repos = append(repos, indvName+"-labs")
}
}
// Create request
request := apProto.ApRequest{GithubOrg: org.Name,
GithubToken: org.AdminToken,
StudentRepos: repos,
Labs: labs}
go callAntiplagiarism(request, org, isGroup)
fmt.Printf("%v\n", request)
}
// ShowResultHandler is a http handler for showing a page detailing
// lab resutls for a single user or group.
func ShowResultHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkTeacherApproval(w, r, true)
if err != nil {
return
}
// Gets the org and check if valid
orgname := ""
if path := strings.Split(r.URL.Path, "/"); len(path) == 4 {
if !git.HasOrganization(path[3]) {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
orgname = path[3]
} else {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
username := r.FormValue("user")
if username == "" {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
if !git.HasOrganization(orgname) {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
org, err := git.NewOrganization(orgname, true)
if err != nil {
http.Error(w, err.Error(), 500)
}
isgroup := false
groupid := -1
labnum := 0
if !git.HasMember(username) {
groupnum, err := strconv.Atoi(username[len("group"):])
if err != nil {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
if git.HasGroup(groupnum) {
isgroup = true
group, err := git.NewGroup(org.Name, groupnum, true)
if err != nil {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
groupid = group.ID
if group.CurrentLabNum >= org.GroupAssignments {
labnum = org.GroupAssignments
} else {
labnum = group.CurrentLabNum
}
} else {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
} else {
user, err := git.NewMemberFromUsername(username, true)
if err != nil {
http.Error(w, err.Error(), 500)
}
nr := user.Courses[org.Name].CurrentLabNum
if nr >= org.IndividualAssignments {
labnum = org.IndividualAssignments
} else {
labnum = nr
}
}
view := ShowResultView{
StdTemplate: StdTemplate{
Member: member,
},
Org: org,
Username: username,
Labnum: labnum,
IsGroup: isgroup,
GroupID: groupid,
}
execTemplate("teacherresultpage.html", w, view)
}
// ApproveLabHandler is a http handler used by teachers to approve a lab.
func ApproveLabHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in and a teacher.
member, err := checkTeacherApproval(w, r, true)
if err != nil {
log.Println(err)
return
}
course := r.FormValue("Course")
username := r.FormValue("User")
approve := r.FormValue("Approve")
labnum, err := strconv.Atoi(r.FormValue("Labnum"))
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
if approve != "true" {
log.Println("Missing approval")
http.Error(w, "Not approved", 404)
return
}
if !git.HasOrganization(course) || username == "" {
log.Println("Missing username or uncorrect course")
http.Error(w, "Unknown Organization", 404)
return
}
org, err := git.NewOrganization(course, true)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
if !org.IsTeacher(member) {
log.Println(member.Name + " is not a teacher of " + org.Name)
http.Error(w, "Not a teacher of this course.", 404)
return
}
var isgroup bool
if git.HasMember(username) {
isgroup = false
} else {
isgroup = strings.Contains(username, "group")
if !isgroup {
log.Println("No user found")
http.Error(w, "Unknown User", 404)
return
}
}
var latestbuild int
var res *ci.BuildResult
if isgroup {
gnum, err := strconv.Atoi(username[len("group"):])
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
group, err := git.NewGroup(course, gnum, false)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 404)
return
}
defer func() {
if err := group.Save(); err != nil {
group.Unlock()
log.Println(err)
}
}()
latestbuild = group.GetLastBuildID(labnum)
if latestbuild < 0 {
http.Error(w, "No build registered on lab.", 500)
return
}
res, err = ci.GetBuildResult(latestbuild)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
group.SetApprovedBuild(res.Labnum, res.ID, res.PushTime)
if org.Slipdays {
for username := range group.Members {
user, err := git.NewMemberFromUsername(username, false)
if err != nil {
log.Println(err)
continue
}
copt := user.Courses[org.Name]
err = copt.RecalculateSlipDays()
if err != nil {
log.Println(err)
}
user.Courses[org.Name] = copt
}
}
} else {
user, err := git.NewMemberFromUsername(username, false)
if err != nil {
log.Println(err.Error())
http.Error(w, err.Error(), 500)
return
}
defer func() {
if err := user.Save(); err != nil {
user.Unlock()
log.Println(err)
}
}()
latestbuild = user.GetLastBuildID(course, labnum)
if latestbuild < 0 {
http.Error(w, "No build registered on lab.", 500)
return
}
res, err = ci.GetBuildResult(latestbuild)
if err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
user.SetApprovedBuild(org.Name, res.Labnum, res.ID, res.PushTime)
if org.Slipdays {
copt := user.Courses[org.Name]
err = copt.RecalculateSlipDays()
if err != nil {
log.Println(err)
}
user.Courses[org.Name] = copt
}
}
res.Status = "Approved"
if err := res.Save(); err != nil {
log.Println(err)
http.Error(w, err.Error(), 500)
return
}
}
// ApproveCourseMembershipHandler is a http handler used when a teacher wants
// to accept a student for a course in autograder. This handler will link the
// student to the course organization on github and also create all the needed
// repositories on github.
func ApproveCourseMembershipHandler(w http.ResponseWriter, r *http.Request) {
enc := json.NewEncoder(w)
view := ApproveMembershipView{}
view.Error = true // default is an error; if its not we anyway set it to false before encoding
// Checks if the user is signed in and a teacher.
/*member*/ _, err := checkTeacherApproval(w, r, false)
if err != nil {
log.Println(err)
view.ErrorMsg = "You are not singed in or not a teacher."
enc.Encode(view)
return
}
// Gets the org and check if valid
orgname := ""
if path := strings.Split(r.URL.Path, "/"); len(path) == 4 {
if !git.HasOrganization(path[3]) {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
orgname = path[3]
} else {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
username := r.FormValue("user")
if username == "" {
view.ErrorMsg = "Username was not set in the request."
enc.Encode(view)
return
}
org, err := git.NewOrganization(orgname, false)
if err != nil {
view.ErrorMsg = "Could not retrieve the stored organization."
enc.Encode(view)
return
}
defer func() {
err := org.Save()
if err != nil {
org.Unlock()
log.Println(err)
}
}()
teams, err := org.ListTeams()
if err != nil {
log.Println(err)
view.ErrorMsg = "Error communicating with Github. Can't get list teams."
enc.Encode(view)
return
}
if org.IndividualAssignments > 0 {
repo := git.RepositoryOptions{
Name: username + "-" + git.StandardRepoName,
Private: org.Private,
AutoInit: true,
Issues: true,
Hook: "*",
}
err = org.CreateRepo(repo)
if err != nil {
log.Println(err)
view.ErrorMsg = "Error communicating with Github. Couldn't create repository."
enc.Encode(view)
return
}
if t, ok := teams[username]; !ok {
newteam := git.TeamOptions{
Name: username,
Permission: git.PushPermission,
RepoNames: []string{username + "-" + git.StandardRepoName},
}
teamID, err := org.CreateTeam(newteam)
if err != nil {
log.Println(err)
view.ErrorMsg = "Error communicating with Github. Can't create team."
enc.Encode(view)
return
}
err = org.AddMemberToTeam(teamID, username)
if err != nil {
log.Println(err)
view.ErrorMsg = "Error communicating with Github. Can't add member to team."
enc.Encode(view)
return
}
} else {
err = org.LinkRepoToTeam(t.ID, username+"-"+git.StandardRepoName)
if err != nil {
log.Println(err)
view.ErrorMsg = "Error communicating with Github. Can't link repo to team."
enc.Encode(view)
return
}
err = org.AddMemberToTeam(t.ID, username)
if err != nil {
log.Println(err)
view.ErrorMsg = "Error communicating with Github. Can't add member to team."
enc.Encode(view)
return
}
}
}
delete(org.PendingUser, username)
org.Members[username] = nil
member, err := git.NewMemberFromUsername(username, false)
if err != nil {
view.ErrorMsg = "Could not retrieve the stored user."
enc.Encode(view)
return
}
defer func() {
err = member.Save()
if err != nil {
member.Unlock()
log.Println(err)
}
}()
member.AddOrganization(org)
view.Error = false // it wasn't an error after all
view.Approved = true
view.User = username
enc.Encode(view)
}
// UserCoursePageHandler is a http handler giving back the main user
// page for a course. This page gived information about all the labs
// and results for a user. A user can also submit code reviews from
// this page.
func UserCoursePageHandler(w http.ResponseWriter, r *http.Request) {
// Checks if the user is signed in.
member, err := checkMemberApproval(w, r, true)
if err != nil {
log.Println(err)
return
}
// Gets the org and check if valid
orgname := ""
if path := strings.Split(r.URL.Path, "/"); len(path) == 3 {
if !git.HasOrganization(path[2]) {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
orgname = path[2]
} else {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
org, err := git.NewOrganization(orgname, true)
if err != nil {
http.Redirect(w, r, pages.HOMEPAGE, 307)
return
}
view := MainCourseView{
StdTemplate: StdTemplate{
Member: member,
},
Org: org,
}
nr := member.Courses[org.Name].CurrentLabNum
if nr >= org.IndividualAssignments {
view.Labnum = org.IndividualAssignments - 1
} else {
view.Labnum = nr - 1
}
if member.Courses[orgname].IsGroupMember {
group, err := git.NewGroup(orgname, member.Courses[orgname].GroupNum, true)
if err != nil {
log.Println(err)
return
}
if group.Course != orgname {
member.Lock()
opt := member.Courses[orgname]
opt.IsGroupMember = false
opt.GroupNum = 0
member.Courses[orgname] = opt
err = member.Save()
if err != nil {
log.Println(err)
member.Unlock()
}
}
view.Group = group
if group.CurrentLabNum >= org.GroupAssignments {
view.GroupLabnum = org.GroupAssignments - 1
} else {
view.GroupLabnum = group.CurrentLabNum - 1
}
}
execTemplate("maincoursepage.html", w, view)
}
// ApproveGroupHandler is a http handler used by teachers to approve a group and activate it.
func ApproveGroupHandler(w http.ResponseWriter, r *http.Request) {
enc := json.NewEncoder(w)
view := ApproveGroupView{}
view.Error = true
// Checks if the user is signed in and a teacher.
member, err := checkTeacherApproval(w, r, false)
if err != nil {
http.Error(w, err.Error(), 404)
log.Println(err)
return
}
groupID, err := strconv.Atoi(r.FormValue("groupid"))
if err != nil {
view.ErrorMsg = err.Error()
err = enc.Encode(view)
if err != nil {
log.Println(err)
}
return
}
orgname := r.FormValue("course")
group, err := git.NewGroup(orgname, groupID, false)
if err != nil {
view.ErrorMsg = err.Error()
err = enc.Encode(view)
if err != nil {
log.Println(err)
}
return
}
defer func() {
err := group.Save()
if err != nil {
group.Unlock()
log.Println(err)
}
}()
if group.Active {
view.ErrorMsg = "This group is already active."
err = enc.Encode(view)
if err != nil {
log.Println(err)
}
return
}
if len(group.Members) < 1 {
view.ErrorMsg = "No members in this group."
err = enc.Encode(view)
if err != nil {
log.Println(err)
}
return
}
org, err := git.NewOrganization(orgname, false)
if err != nil {
view.ErrorMsg = "Could not retrieve stored organization."
err = enc.Encode(view)
if err != nil {
log.Println(err)
}
return
}
defer func() {
err := org.Save()
if err != nil {
org.Unlock()
log.Println(err)
}
}()
if !org.IsTeacher(member) {
err = enc.Encode(ErrNotTeacher)
if err != nil {
log.Println(err)
}
return
}
orgrepos, err := org.ListRepos()
if err != nil {
log.Println(err)
view.ErrorMsg = err.Error()
enc.Encode(view)
}
orgteams, err := org.ListTeams()
if err != nil {
log.Println(err)
view.ErrorMsg = err.Error()
enc.Encode(view)
}
if org.GroupAssignments > 0 {
repo := git.RepositoryOptions{
Name: git.GroupRepoPrefix + r.FormValue("groupid"),
Private: org.Private,
AutoInit: true,
Issues: true,
Hook: "*",
}
if _, ok := orgrepos[repo.Name]; !ok {
err = org.CreateRepo(repo)
if err != nil {
log.Println(err)
view.ErrorMsg = "Error communicating with Github. Couldn't create repository."
enc.Encode(view)
return
}
}
newteam := git.TeamOptions{
Name: git.GroupRepoPrefix + r.FormValue("groupid"),
Permission: git.PushPermission,
RepoNames: []string{git.GroupRepoPrefix + r.FormValue("groupid")},
}
var teamID int
if team, ok := orgteams[newteam.Name]; ok {
teamID = team.ID
} else {
teamID, err = org.CreateTeam(newteam)
if err != nil {
log.Println(err)
view.ErrorMsg = "Error communicating with Github. Can't create team."
enc.Encode(view)
return
}
}
group.TeamID = teamID
for username := range group.Members {
err = org.AddMemberToTeam(teamID, username)
if err != nil {
log.Println(err)
view.ErrorMsg = "Error communicating with Github. Can't add member to team."
enc.Encode(view)
continue
}
}
}
org.AddGroup(group)
group.Activate()
view.Error = false
view.Approved = true
view.ID = groupID
err = enc.Encode(view)
if err != nil {
log.Println(err)
}
}