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moar pulling back of database calls from the server

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This commit is contained in:
Vincent Batts 2013-10-03 17:04:37 -04:00
parent 6e439b0de4
commit c737976121
3 changed files with 45 additions and 5 deletions
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29
dbutil/dbutil.go
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@ -5,12 +5,41 @@ import (
"github.com/vbatts/imgsrv/types"
"labix.org/v2/mgo"
"labix.org/v2/mgo/bson"
"strings"
)
type Util struct {
Gfs *mgo.GridFS
}
func (u Util) Create(filename string) (file *mgo.GridFile, err error) {
return u.Gfs.Create(strings.ToLower(filename))
}
/*
Find files by their MD5 checksum
*/
func (u Util) FindFilesByMd5(md5 string) (files []types.File, err error) {
err = u.Gfs.Find(bson.M{"md5": md5}).Sort("-metadata.timestamp").All(&files)
return files, err
}
/*
match for file name
*/
func (u Util) FindFilesByName(filename string) (files []types.File, err error) {
err = u.Gfs.Find(bson.M{"filename": filename}).Sort("-metadata.timestamp").All(&files)
return files, err
}
/*
Case-insensitive pattern match for file name
*/
func (u Util) FindFilesByPatt(filename_pat string) (files []types.File, err error) {
err = u.Gfs.Find(bson.M{"filename": bson.M{ "$regex": filename_pat, "$options": "i"}}).Sort("-metadata.timestamp").All(&files)
return files, err
}
func (u Util) GetFileByFilename(filename string) (this_file types.File, err error) {
err = u.Gfs.Find(bson.M{"filename": filename}).One(&this_file)
if err != nil {