Files
jukebox_maker/internal/api/handlers_copy.go

104 lines
2.4 KiB
Go

package api
import (
"context"
"encoding/json"
"errors"
"io"
"net/http"
"jukebox_maker/internal/config"
"jukebox_maker/internal/copier"
"jukebox_maker/internal/disk"
)
func (s *Server) handleCopyStart(w http.ResponseWriter, r *http.Request) {
diskID := r.PathValue("diskID")
diskInfo, ok := s.deps.Watcher.DiskByID(diskID)
if !ok || diskInfo.State != disk.DiskKnown {
jsonErr(w, http.StatusUnprocessableEntity, "no initialized disk connected")
return
}
cfg := s.deps.Config
hasEnabledSources := false
for _, src := range cfg.Sources {
if src.Enabled {
hasEnabledSources = true
break
}
}
if !hasEnabledSources {
jsonErr(w, http.StatusUnprocessableEntity, "no source folders selected")
return
}
var req struct {
Mode string `json:"mode"`
}
if r.Body != nil {
if err := json.NewDecoder(r.Body).Decode(&req); err != nil && !errors.Is(err, io.EOF) {
jsonErr(w, http.StatusBadRequest, "invalid JSON: "+err.Error())
return
}
}
overwriteMode := cfg.OverwriteMode
switch req.Mode {
case "", "add":
overwriteMode = config.OverwriteSkip
case "replace":
overwriteMode = config.OverwriteDelete
default:
jsonErr(w, http.StatusBadRequest, "invalid copy mode")
return
}
reserveBytes := int64(cfg.ReserveFreeGB * 1e9)
if diskInfo.FreeBytes <= reserveBytes {
jsonErr(w, http.StatusUnprocessableEntity, "free space is below reserve threshold")
return
}
opts := copier.Options{
DiskID: diskInfo.DiskID,
MountPath: diskInfo.MountPath,
MediaPath: s.deps.MediaPath,
DestFolder: cfg.DestFolder,
SourceRules: cfg.Sources,
ReserveFreeGB: cfg.ReserveFreeGB,
OverwriteMode: overwriteMode,
FileSelectMode: cfg.FileSelectMode,
}
taskID, err := s.deps.Copier.Start(context.Background(), opts)
if err != nil {
switch err.Error() {
case "copy already running":
jsonErr(w, http.StatusConflict, err.Error())
default:
jsonErr(w, http.StatusUnprocessableEntity, err.Error())
}
return
}
w.WriteHeader(http.StatusAccepted)
jsonOK(w, map[string]string{"task_id": taskID})
}
func (s *Server) handleCopyCancel(w http.ResponseWriter, r *http.Request) {
diskID := r.PathValue("diskID")
s.deps.Copier.Cancel(diskID)
jsonOK(w, map[string]bool{"ok": true})
}
func (s *Server) handleTaskGet(w http.ResponseWriter, r *http.Request) {
id := r.PathValue("id")
t, ok := s.deps.Tasks.Get(id)
if !ok {
jsonErr(w, http.StatusNotFound, "task not found")
return
}
jsonOK(w, t)
}