Golang Context.RespondWithError方法代碼示例

// DELETE: /job?suspend, /job?zombie
func (cr *JobController) DeleteMany(cx *goweb.Context) {
	LogRequest(cx.Request)

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
		return
	}

	// If no auth was provided, and anonymous delete is allowed, use the public user
	if u == nil {
		if conf.ANON_DELETE == true {
			u = &user.User{Uuid: "public"}
		} else {
			cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
			return
		}
	}

	// Gather query params
	query := &Query{Li: cx.Request.URL.Query()}
	if query.Has("suspend") {
		num := core.QMgr.DeleteSuspendedJobsByUser(u)
		cx.RespondWithData(fmt.Sprintf("deleted %d suspended jobs", num))
	} else if query.Has("zombie") {
		num := core.QMgr.DeleteZombieJobsByUser(u)
		cx.RespondWithData(fmt.Sprintf("deleted %d zombie jobs", num))
	} else {
		cx.RespondWithError(http.StatusNotImplemented)
	}
	return
}

// PUT: /client
func (cr *ClientController) UpdateMany(cx *goweb.Context) {
	LogRequest(cx.Request)

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
		return
	}

	// If no auth was provided, and anonymous read is allowed, use the public user
	if u == nil {
		if conf.ANON_WRITE == true {
			u = &user.User{Uuid: "public"}
		} else {
			cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
			return
		}
	}

	// Gather query params
	query := &Query{Li: cx.Request.URL.Query()}
	if query.Has("resumeall") { //resume the suspended client
		num := core.QMgr.ResumeSuspendedClientsByUser(u)
		cx.RespondWithData(fmt.Sprintf("%d suspended clients resumed", num))
		return
	}
	if query.Has("suspendall") { //resume the suspended client
		num := core.QMgr.SuspendAllClientsByUser(u)
		cx.RespondWithData(fmt.Sprintf("%d clients suspended", num))
		return
	}
	cx.RespondWithError(http.StatusNotImplemented)
	return
}

func AuthError(err error, cx *goweb.Context) {
	if err.Error() == e.InvalidAuth {
		cx.RespondWithErrorMessage("Invalid authorization header or content", http.StatusBadRequest)
		return
	}
	logger.Error("Error at Auth: " + err.Error())
	cx.RespondWithError(http.StatusInternalServerError)
	return
}

// PUT: /client/{id} -> status update
func (cr *ClientController) Update(id string, cx *goweb.Context) {
	LogRequest(cx.Request)

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
		return
	}

	// If no auth was provided, and anonymous read is allowed, use the public user
	if u == nil {
		if conf.ANON_WRITE == true {
			u = &user.User{Uuid: "public"}
		} else {
			cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
			return
		}
	}

	// Gather query params
	query := &Query{Li: cx.Request.URL.Query()}
	if query.Has("subclients") { //update the number of subclients for a proxy
		if count, err := strconv.Atoi(query.Value("subclients")); err != nil {
			cx.RespondWithError(http.StatusNotImplemented)
		} else {
			core.QMgr.UpdateSubClientsByUser(id, count, u)
			cx.RespondWithData("ok")
		}
		return
	}
	if query.Has("suspend") { //resume the suspended client
		if err := core.QMgr.SuspendClientByUser(id, u); err != nil {
			cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
		} else {
			cx.RespondWithData("client suspended")
		}
		return
	}
	if query.Has("resume") { //resume the suspended client
		if err := core.QMgr.ResumeClientByUser(id, u); err != nil {
			cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
		} else {
			cx.RespondWithData("client resumed")
		}
		return
	}
	cx.RespondWithError(http.StatusNotImplemented)
	return
}

func AdminAuthenticated(cx *goweb.Context) bool {
	user, err := request.Authenticate(cx.Request)
	if err != nil {
		if err.Error() == e.NoAuth || err.Error() == e.UnAuth {
			cx.RespondWithError(http.StatusUnauthorized)
		} else {
			request.AuthError(err, cx)
		}
		return false
	}
	if _, ok := conf.Admin_Users[user.Username]; !ok {
		msg := fmt.Sprintf("user %s has no admin right", user.Username)
		cx.RespondWithErrorMessage(msg, http.StatusBadRequest)
		return false
	}
	return true
}

// GET: /client/{id}
func (cr *ClientController) Read(id string, cx *goweb.Context) {
	// Gather query params
	query := &Query{Li: cx.Request.URL.Query()}

	if query.Has("heartbeat") { //handle heartbeat
		cg, err := request.AuthenticateClientGroup(cx.Request)
		if err != nil {
			if err.Error() == e.NoAuth || err.Error() == e.UnAuth || err.Error() == e.InvalidAuth {
				if conf.CLIENT_AUTH_REQ == true {
					cx.RespondWithError(http.StatusUnauthorized)
					return
				}
			} else {
				logger.Error("[email protected]: " + err.Error())
				cx.RespondWithError(http.StatusInternalServerError)
				return
			}
		}

		hbmsg, err := core.QMgr.ClientHeartBeat(id, cg)
		if err != nil {
			cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
		} else {
			cx.RespondWithData(hbmsg)
		}
		return
	}

	LogRequest(cx.Request) //skip heartbeat in access log

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
		return
	}

	// If no auth was provided, and anonymous read is allowed, use the public user
	if u == nil {
		if conf.ANON_READ == true {
			u = &user.User{Uuid: "public"}
		} else {
			cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
			return
		}
	}

	client, err := core.QMgr.GetClientByUser(id, u)
	if err != nil {
		if err.Error() == e.ClientNotFound {
			cx.RespondWithErrorMessage(e.ClientNotFound, http.StatusBadRequest)
		} else {
			logger.Error("Error in GET client:" + err.Error())
			cx.RespondWithError(http.StatusBadRequest)
		}
		return
	}
	cx.RespondWithData(client)
	return
}

// POST: /client - register a new client
func (cr *ClientController) Create(cx *goweb.Context) {
	// Log Request and check for Auth
	LogRequest(cx.Request)

	cg, err := request.AuthenticateClientGroup(cx.Request)
	if err != nil {
		if err.Error() == e.NoAuth || err.Error() == e.UnAuth || err.Error() == e.InvalidAuth {
			if conf.CLIENT_AUTH_REQ == true {
				cx.RespondWithError(http.StatusUnauthorized)
				return
			}
		} else {
			logger.Error("[email protected]: " + err.Error())
			cx.RespondWithError(http.StatusInternalServerError)
			return
		}
	}

	// Parse uploaded form
	_, files, err := ParseMultipartForm(cx.Request)
	if err != nil {
		if err.Error() != "request Content-Type isn't multipart/form-data" {
			logger.Error("Error parsing form: " + err.Error())
			cx.RespondWithError(http.StatusBadRequest)
			return
		}
	}

	client, err := core.QMgr.RegisterNewClient(files, cg)
	if err != nil {
		msg := "Error in registering new client:" + err.Error()
		logger.Error(msg)
		cx.RespondWithErrorMessage(msg, http.StatusBadRequest)
		return
	}

	//log event about client registration (CR)
	logger.Event(event.CLIENT_REGISTRATION, "clientid="+client.Id+";name="+client.Name+";host="+client.Host+";group="+client.Group+";instance_id="+client.InstanceId+";instance_type="+client.InstanceType+";domain="+client.Domain)

	cx.RespondWithData(client)
	return
}

// PUT: /work/{id} -> status update
func (cr *WorkController) Update(id string, cx *goweb.Context) {
	LogRequest(cx.Request)
	// Gather query params
	query := &Query{Li: cx.Request.URL.Query()}
	if !query.Has("client") {
		cx.RespondWithErrorMessage("This request type requires the client=clientid parameter.", http.StatusBadRequest)
		return
	}

	// Check auth
	cg, err := request.AuthenticateClientGroup(cx.Request)
	if err != nil {
		if err.Error() == e.NoAuth || err.Error() == e.UnAuth || err.Error() == e.InvalidAuth {
			if conf.CLIENT_AUTH_REQ == true {
				cx.RespondWithError(http.StatusUnauthorized)
				return
			}
		} else {
			logger.Error("[email protected]: " + err.Error())
			cx.RespondWithError(http.StatusInternalServerError)
			return
		}
	}

	// check that clientgroup auth token matches group of client
	clientid := query.Value("client")
	client, ok := core.QMgr.GetClient(clientid)
	if !ok {
		cx.RespondWithErrorMessage(e.ClientNotFound, http.StatusBadRequest)
		return
	}
	if cg != nil && client.Group != cg.Name {
		cx.RespondWithErrorMessage("Clientgroup name in token does not match that in the client configuration.", http.StatusBadRequest)
		return
	}

	if query.Has("status") && query.Has("client") { //notify execution result: "done" or "fail"
		notice := core.Notice{WorkId: id, Status: query.Value("status"), ClientId: query.Value("client"), Notes: ""}
		if query.Has("computetime") {
			if comptime, err := strconv.Atoi(query.Value("computetime")); err == nil {
				notice.ComputeTime = comptime
			}
		}
		if query.Has("report") { // if "report" is specified in query, parse performance statistics or errlog
			if _, files, err := ParseMultipartForm(cx.Request); err == nil {
				if _, ok := files["perf"]; ok {
					core.QMgr.FinalizeWorkPerf(id, files["perf"].Path)
				}
				if _, ok := files["notes"]; ok {
					if notes, err := ioutil.ReadFile(files["notes"].Path); err == nil {
						notice.Notes = string(notes)
					}
				}
				if _, ok := files["stdout"]; ok {
					core.QMgr.SaveStdLog(id, "stdout", files["stdout"].Path)
				}
				if _, ok := files["stderr"]; ok {
					core.QMgr.SaveStdLog(id, "stderr", files["stderr"].Path)
				}
				if _, ok := files["worknotes"]; ok {
					core.QMgr.SaveStdLog(id, "worknotes", files["worknotes"].Path)
				}
			}
		}
		core.QMgr.NotifyWorkStatus(notice)
	}
	cx.RespondWithData("ok")
	return
}

// GET: /work/{id}
// get a workunit by id, read-only
func (cr *WorkController) Read(id string, cx *goweb.Context) {
	LogRequest(cx.Request)

	// Gather query params
	query := &Query{Li: cx.Request.URL.Query()}

	if (query.Has("datatoken") || query.Has("privateenv")) && query.Has("client") {
		cg, err := request.AuthenticateClientGroup(cx.Request)
		if err != nil {
			if err.Error() == e.NoAuth || err.Error() == e.UnAuth || err.Error() == e.InvalidAuth {
				if conf.CLIENT_AUTH_REQ == true {
					cx.RespondWithError(http.StatusUnauthorized)
					return
				}
			} else {
				logger.Error("[email protected]: " + err.Error())
				cx.RespondWithError(http.StatusInternalServerError)
				return
			}
		}
		// check that clientgroup auth token matches group of client
		clientid := query.Value("client")
		client, ok := core.QMgr.GetClient(clientid)
		if !ok {
			cx.RespondWithErrorMessage(e.ClientNotFound, http.StatusBadRequest)
			return
		}
		if cg != nil && client.Group != cg.Name {
			cx.RespondWithErrorMessage("Clientgroup name in token does not match that in the client configuration.", http.StatusBadRequest)
			return
		}

		if query.Has("datatoken") { //a client is requesting data token for this job
			token, err := core.QMgr.FetchDataToken(id, clientid)
			if err != nil {
				cx.RespondWithErrorMessage("error in getting token for job "+id, http.StatusBadRequest)
				return
			}
			//cx.RespondWithData(token)
			RespondTokenInHeader(cx, token)
			return
		}

		if query.Has("privateenv") { //a client is requesting data token for this job
			envs, err := core.QMgr.FetchPrivateEnv(id, clientid)
			if err != nil {
				cx.RespondWithErrorMessage("error in getting token for job "+id, http.StatusBadRequest)
				return
			}
			//cx.RespondWithData(token)
			RespondPrivateEnvInHeader(cx, envs)
			return
		}
	}

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
		return
	}

	// If no auth was provided, and anonymous read is allowed, use the public user
	if u == nil {
		if conf.ANON_READ == true {
			u = &user.User{Uuid: "public"}
		} else {
			cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
			return
		}
	}

	jobid, err := core.GetJobIdByWorkId(id)
	if err != nil {
		cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
		return
	}

	job, err := core.LoadJob(jobid)
	if err != nil {
		cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
		return
	}

	// User must have read permissions on job or be job owner or be an admin
	rights := job.Acl.Check(u.Uuid)
	if job.Acl.Owner != u.Uuid && rights["read"] == false && u.Admin == false {
		cx.RespondWithErrorMessage(e.UnAuth, http.StatusUnauthorized)
		return
	}

	if query.Has("report") { //retrieve report: stdout or stderr or worknotes
		reportmsg, err := core.QMgr.GetReportMsg(id, query.Value("report"))
		if err != nil {
			cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
			return
		}
		cx.RespondWithData(reportmsg)
//.........這裏部分代碼省略.........

// GET: /work
// checkout a workunit with earliest submission time
// to-do: to support more options for workunit checkout
func (cr *WorkController) ReadMany(cx *goweb.Context) {
	LogRequest(cx.Request)

	// Gather query params
	query := &Query{Li: cx.Request.URL.Query()}

	if !query.Has("client") { //view workunits
		// Try to authenticate user.
		u, err := request.Authenticate(cx.Request)
		if err != nil && err.Error() != e.NoAuth {
			cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
			return
		}

		// If no auth was provided, and anonymous read is allowed, use the public user
		if u == nil {
			if conf.ANON_READ == true {
				u = &user.User{Uuid: "public"}
			} else {
				cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
				return
			}
		}

		// get pagination options
		limit := conf.DEFAULT_PAGE_SIZE
		offset := 0
		order := "info.submittime"
		direction := "desc"
		if query.Has("limit") {
			limit, err = strconv.Atoi(query.Value("limit"))
			if err != nil {
				cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
				return
			}
		}
		if query.Has("offset") {
			offset, err = strconv.Atoi(query.Value("offset"))
			if err != nil {
				cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
				return
			}
		}
		if query.Has("order") {
			order = query.Value("order")
		}
		if query.Has("direction") {
			direction = query.Value("direction")
		}

		var workunits []*core.Workunit
		if query.Has("state") {
			workunits = core.QMgr.ShowWorkunitsByUser(query.Value("state"), u)
		} else {
			workunits = core.QMgr.ShowWorkunitsByUser("", u)
		}

		// if using query syntax then do pagination and sorting
		if query.Has("query") {
			filtered_work := []core.Workunit{}
			sorted_work := core.WorkunitsSortby{order, direction, workunits}
			sort.Sort(sorted_work)

			skip := 0
			count := 0
			for _, w := range sorted_work.Workunits {
				if skip < offset {
					skip += 1
					continue
				}
				filtered_work = append(filtered_work, *w)
				count += 1
				if count == limit {
					break
				}
			}
			cx.RespondWithPaginatedData(filtered_work, limit, offset, len(sorted_work.Workunits))
			return
		} else {
			cx.RespondWithData(workunits)
			return
		}
	}

	cg, err := request.AuthenticateClientGroup(cx.Request)
	if err != nil {
		if err.Error() == e.NoAuth || err.Error() == e.UnAuth || err.Error() == e.InvalidAuth {
			if conf.CLIENT_AUTH_REQ == true {
				cx.RespondWithError(http.StatusUnauthorized)
				return
			}
		} else {
			logger.Error("[email protected]: " + err.Error())
			cx.RespondWithError(http.StatusInternalServerError)
			return
		}
	}
//.........這裏部分代碼省略.........

// POST: /job
func (cr *JobController) Create(cx *goweb.Context) {
	// Log Request and check for Auth
	LogRequest(cx.Request)

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
		return
	}

	// If no auth was provided, and anonymous write is allowed, use the public user
	if u == nil {
		if conf.ANON_WRITE == true {
			u = &user.User{Uuid: "public"}
		} else {
			cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
			return
		}
	}

	// Parse uploaded form
	params, files, err := ParseMultipartForm(cx.Request)

	if err != nil {
		if err.Error() == "request Content-Type isn't multipart/form-data" {
			cx.RespondWithErrorMessage("No job file is submitted", http.StatusBadRequest)
		} else {
			// Some error other than request encoding. Theoretically
			// could be a lost db connection between user lookup and parsing.
			// Blame the user, Its probaby their fault anyway.
			logger.Error("Error parsing form: " + err.Error())
			cx.RespondWithError(http.StatusBadRequest)
		}
		return
	}

	_, has_upload := files["upload"]
	_, has_awf := files["awf"]

	if !has_upload && !has_awf {
		cx.RespondWithErrorMessage("No job script or awf is submitted", http.StatusBadRequest)
		return
	}

	//send job submission request and get back an assigned job number (jid)
	var jid string
	jid, err = core.QMgr.JobRegister()
	if err != nil {
		logger.Error("[email protected]_Create:GetNextJobNum: " + err.Error())
		cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
		return
	}

	var job *core.Job
	job, err = core.CreateJobUpload(u, params, files, jid)
	if err != nil {
		logger.Error("[email protected]_Create:CreateJobUpload: " + err.Error())
		cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
		return
	}

	if token, err := request.RetrieveToken(cx.Request); err == nil {
		job.SetDataToken(token)
	}

	core.QMgr.EnqueueTasksByJobId(job.Id, job.TaskList())

	//log event about job submission (JB)
	logger.Event(event.JOB_SUBMISSION, "jobid="+job.Id+";jid="+job.Jid+";name="+job.Info.Name+";project="+job.Info.Project+";user="+job.Info.User)
	cx.RespondWithData(job)
	return
}

// GET: /job
// To do:
// - Iterate job queries
func (cr *JobController) ReadMany(cx *goweb.Context) {
	LogRequest(cx.Request)

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
		return
	}

	// Gather query params
	query := &Query{Li: cx.Request.URL.Query()}

	// Setup query and jobs objects
	q := bson.M{}
	jobs := core.Jobs{}

	if u != nil {
		// Add authorization checking to query if the user is not an admin
		if u.Admin == false {
			q["$or"] = []bson.M{bson.M{"acl.read": "public"}, bson.M{"acl.read": u.Uuid}, bson.M{"acl.owner": u.Uuid}, bson.M{"acl": bson.M{"$exists": "false"}}}
		}
	} else {
		// User is anonymous
		if conf.ANON_READ {
			// select on only jobs that are publicly readable
			q["acl.read"] = "public"
		} else {
			cx.RespondWithErrorMessage(e.NoAuth, http.StatusUnauthorized)
			return
		}
	}

	limit := conf.DEFAULT_PAGE_SIZE
	offset := 0
	order := "info.submittime"
	direction := "desc"
	if query.Has("limit") {
		limit, err = strconv.Atoi(query.Value("limit"))
		if err != nil {
			cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
			return
		}
	}
	if query.Has("offset") {
		offset, err = strconv.Atoi(query.Value("offset"))
		if err != nil {
			cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
			return
		}
	}
	if query.Has("order") {
		order = query.Value("order")
	}
	if query.Has("direction") {
		direction = query.Value("direction")
	}

	// Gather params to make db query. Do not include the
	// following list.
	skip := map[string]int{"limit": 1,
		"offset":     1,
		"query":      1,
		"recent":     1,
		"order":      1,
		"direction":  1,
		"active":     1,
		"suspend":    1,
		"registered": 1,
		"verbosity":  1,
		"userattr":   1,
	}
	if query.Has("query") {
		const shortForm = "2006-01-02"
		date_query := bson.M{}
		for key, val := range query.All() {
			_, s := skip[key]
			if !s {
				// special case for date range, either full date-time or just date
				if (key == "date_start") || (key == "date_end") {
					opr := "$gte"
					if key == "date_end" {
						opr = "$lt"
					}
					if t_long, err := time.Parse(time.RFC3339, val[0]); err != nil {
						if t_short, err := time.Parse(shortForm, val[0]); err != nil {
							cx.RespondWithErrorMessage("Invalid datetime format: "+val[0], http.StatusBadRequest)
							return
						} else {
							date_query[opr] = t_short
						}
					} else {
						date_query[opr] = t_long
					}
				} else {
					// handle either multiple values for key, or single comma-spereated value
					if len(val) == 1 {
//.........這裏部分代碼省略.........

// GET: /cgroup
func (cr *ClientGroupController) ReadMany(cx *goweb.Context) {
	LogRequest(cx.Request)

	// Try to authenticate user.
	u, err := request.Authenticate(cx.Request)
	if err != nil && err.Error() != e.NoAuth {
		cx.RespondWithErrorMessage(err.Error(), http.StatusUnauthorized)
		return
	}

	// If no auth was provided and ANON_CG_READ is true, use the public user.
	// Otherwise if no auth was provided, throw an error.
	// Otherwise, proceed with retrieval of the clientgroups using the user.
	if u == nil {
		if conf.ANON_CG_READ == true {
			u = &user.User{Uuid: "public"}
		} else {
			cx.RespondWithErrorMessage(e.UnAuth, http.StatusUnauthorized)
			return
		}
	}

	// Gather query params
	query := &Query{Li: cx.Request.URL.Query()}

	// Setup query and clientgroups objects
	q := bson.M{}
	cgs := core.ClientGroups{}

	// Add authorization checking to query if the user is not an admin
	if u.Admin == false {
		q["$or"] = []bson.M{bson.M{"acl.read": "public"}, bson.M{"acl.read": u.Uuid}, bson.M{"acl.owner": u.Uuid}}
	}

	limit := conf.DEFAULT_PAGE_SIZE
	offset := 0
	order := "last_modified"
	direction := "desc"
	if query.Has("limit") {
		limit, err = strconv.Atoi(query.Value("limit"))
		if err != nil {
			cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
			return
		}
	}
	if query.Has("offset") {
		offset, err = strconv.Atoi(query.Value("offset"))
		if err != nil {
			cx.RespondWithErrorMessage(err.Error(), http.StatusBadRequest)
			return
		}
	}
	if query.Has("order") {
		order = query.Value("order")
	}
	if query.Has("direction") {
		direction = query.Value("direction")
	}

	// Gather params to make db query. Do not include the following list.
	skip := map[string]int{
		"limit":     1,
		"offset":    1,
		"order":     1,
		"direction": 1,
	}

	for key, val := range query.All() {
		_, s := skip[key]
		if !s {
			queryvalues := strings.Split(val[0], ",")
			q[key] = bson.M{"$in": queryvalues}
		}
	}

	total, err := cgs.GetPaginated(q, limit, offset, order, direction)
	if err != nil {
		cx.RespondWithError(http.StatusBadRequest)
		return
	}

	cx.RespondWithPaginatedData(cgs, limit, offset, total)
	return
}

// DELETE: /queue
func (cr *QueueController) DeleteMany(cx *goweb.Context) {
	LogRequest(cx.Request)
	cx.RespondWithError(http.StatusNotImplemented)
	return
}

// PUT: /queue/{id} -> status update
func (cr *QueueController) Update(id string, cx *goweb.Context) {
	LogRequest(cx.Request)
	cx.RespondWithError(http.StatusNotImplemented)
	return
}