// servePatchFile is the API hook for returning raw patch contents
func servePatchFile(w http.ResponseWriter, r *http.Request) {
fileId := mux.Vars(r)["patchfile_id"]
data, err := db.GetGridFile(patch.GridFSPrefix, fileId)
if err != nil {
http.Error(w, fmt.Sprintf("Error reading file from db: %v", err), http.StatusInternalServerError)
return
}
defer data.Close()
io.Copy(w, data)
}
// FetchPatchFiles dereferences externally-stored patch diffs by fetching them from gridfs
// and placing their contents into the patch object.
func (p *Patch) FetchPatchFiles() error {
for i, patchPart := range p.Patches {
// If the patch isn't stored externally, no need to do anything.
if patchPart.PatchSet.PatchFileId == "" {
continue
}
file, err := db.GetGridFile(GridFSPrefix, patchPart.PatchSet.PatchFileId)
if err != nil {
return err
}
defer file.Close()
raw, err := ioutil.ReadAll(file)
if err != nil {
return err
}
p.Patches[i].PatchSet.Patch = string(raw)
}
return nil
}