126 lines
2.2 KiB
Go
126 lines
2.2 KiB
Go
package main
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import (
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// External
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"github.com/jmoiron/sqlx"
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// Standard
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"fmt"
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"os"
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"path"
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"time"
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)
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type File struct {
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ID int
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UUID string
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UserID int `db:"user_id"`
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Filename string
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Size int
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MIME string
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Modified time.Time
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}
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var (
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fileUUIDCache map[string]int
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)
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func init() {
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fileUUIDCache = make(map[string]int)
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}
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func AddFileToDb(userID int, file *File) (err error) { // {{{
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file.UserID = userID
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var rows *sqlx.Rows
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rows, err = db.Queryx(`
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INSERT INTO public.file(user_id, uuid, name, size, type, modified, upload_complete)
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VALUES($1, $2, $3, $4, $5, $6, false)
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ON CONFLICT (user_id, uuid) DO UPDATE set name = public.file.name
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RETURNING id
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`,
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file.UserID,
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file.UUID,
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file.Filename,
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file.Size,
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file.MIME,
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file.Modified,
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)
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if err != nil {
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return
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}
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defer rows.Close()
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rows.Next()
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err = rows.Scan(&file.ID)
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return
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} // }}}
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func Files(userID int, nodeUUID string, fileID int) (files []File, err error) { // {{{
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var rows *sqlx.Rows
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rows, err = db.Queryx(
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`SELECT *
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FROM file
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WHERE
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user_id = $1 AND
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node_uuid = $2 AND
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CASE $3::int
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WHEN 0 THEN true
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ELSE id = $3
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END`,
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userID,
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nodeUUID,
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fileID,
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)
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if err != nil {
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return
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}
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defer rows.Close()
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files = []File{}
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for rows.Next() {
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file := File{}
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if err = rows.StructScan(&file); err != nil {
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return
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}
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files = append(files, file)
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}
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return
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} // }}}
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func FileIDToPath(id int) (string, string) { // {{{
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str := fmt.Sprintf("%012d", id)
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dir := path.Join(config.Storage.Files, str[0:4], str[4:8])
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fpath := path.Join(config.Storage.Files, str[0:4], str[4:8], str[8:12])
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return dir, fpath
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} // }}}
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func FileWriteData(userID int, dbID int, data []byte, create bool) (err error) {// {{{
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dir, fpath := FileIDToPath(dbID)
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err = os.MkdirAll(dir, 0700)
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if err != nil {
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Log.Error("file", "error", err)
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return
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}
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var f *os.File
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if create {
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f, err = os.OpenFile(fpath, os.O_CREATE|os.O_WRONLY|os.O_TRUNC, 0644)
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} else {
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f, err = os.OpenFile(fpath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, 0644)
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}
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if err != nil {
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Log.Error("file", "error", err)
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return
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}
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defer f.Close()
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_, err = f.Write(data)
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if err != nil {
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Log.Error("file", "error", err)
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return
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}
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return
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}// }}}
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// vim: foldmethod=marker
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