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job_handlers.go
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job_handlers.go
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package server
import (
"encoding/json"
"fmt"
"net/http"
"code.cloudfoundry.org/lager"
"github.com/dchest/uniuri"
"github.com/gorilla/mux"
"github.com/gleidsonnunes/snickers2/pipeline"
"github.com/gleidsonnunes/snickers2/types"
)
// DeleteJob deletes a job
func (sn *SnickersServer) DeleteJob(w http.ResponseWriter, r *http.Request) {
log := sn.logger.Session("delete-job")
log.Debug("started")
defer log.Debug("finished")
vars := mux.Vars(r)
jobID := vars["jobID"]
_, err := sn.db.DeleteJob(jobID)
if err != nil {
log.Error("failed-deleting-job", err)
HTTPError(w, http.StatusBadRequest, "deleting job", err)
return
}
w.WriteHeader(http.StatusOK)
}
// CreateJob creates a job
func (sn *SnickersServer) CreateJob(w http.ResponseWriter, r *http.Request) {
log := sn.logger.Session("create-job")
log.Debug("started")
defer log.Debug("finished")
var jobInput types.JobInput
if err := json.NewDecoder(r.Body).Decode(&jobInput); err != nil {
log.Error("failed-unpacking-job", err)
HTTPError(w, http.StatusBadRequest, "unpacking job", err)
return
}
preset, err := sn.db.RetrievePreset(jobInput.PresetName)
if err != nil {
log.Error("failed-retrieving-preset", err)
HTTPError(w, http.StatusBadRequest, "retrieving preset", err)
return
}
var job types.Job
job.ID = uniuri.New()
job.Source = jobInput.Source
job.Destination = jobInput.Destination
job.Preset = preset
job.Status = types.JobCreated
_, err = sn.db.StoreJob(job)
if err != nil {
log.Error("failed-storing-job", err)
HTTPError(w, http.StatusBadRequest, "storing job", err)
return
}
result, err := json.Marshal(job)
if err != nil {
log.Error("failed-packaging-job-data", err)
HTTPError(w, http.StatusBadRequest, "packing job data", err)
return
}
w.WriteHeader(http.StatusCreated)
fmt.Fprintf(w, "%s", result)
log.Info("created", lager.Data{"id": job.ID})
}
// ListJobs lists all jobs
func (sn *SnickersServer) ListJobs(w http.ResponseWriter, r *http.Request) {
log := sn.logger.Session("list-jobs")
log.Debug("started")
defer log.Debug("finished")
jobs, err := sn.db.GetJobs()
if err != nil {
log.Error("failed-getting-jobs", err)
HTTPError(w, http.StatusBadRequest, "getting jobs", err)
return
}
result, err := json.Marshal(jobs)
if err != nil {
log.Error("failed-packaging-jobs", err)
HTTPError(w, http.StatusBadRequest, "packing jobs data", err)
return
}
fmt.Fprintf(w, "%s", string(result))
}
// GetJobDetails returns the details of a given job
func (sn *SnickersServer) GetJobDetails(w http.ResponseWriter, r *http.Request) {
log := sn.logger.Session("get-job-details")
log.Debug("started")
defer log.Debug("finished")
vars := mux.Vars(r)
jobID := vars["jobID"]
job, err := sn.db.RetrieveJob(jobID)
if err != nil {
log.Error("failed-retrieving-job", err)
HTTPError(w, http.StatusBadRequest, "retrieving job", err)
return
}
result, err := json.Marshal(job)
if err != nil {
log.Error("failed-packaging-job-data", err)
HTTPError(w, http.StatusBadRequest, "packing job data", err)
return
}
fmt.Fprintf(w, "%s", result)
log.Info("got-job-details", lager.Data{"id": job.ID})
}
// StartJob triggers an encoding process
func (sn *SnickersServer) StartJob(w http.ResponseWriter, r *http.Request) {
log := sn.logger.Session("start-job")
log.Debug("started")
defer log.Debug("finished")
vars := mux.Vars(r)
jobID := vars["jobID"]
job, err := sn.db.RetrieveJob(jobID)
if err != nil {
log.Error("failed-retrieving-job", err)
HTTPError(w, http.StatusBadRequest, "retrieving job", err)
return
}
log.Debug("starting-job", lager.Data{"id": job.ID})
w.WriteHeader(http.StatusOK)
go pipeline.StartJob(log, sn.config, sn.db, job)
}