adds post meta, basic template for single image

1 files changed, 11 insertions, 5 deletions

diff --git a/internal/db/redis/image.go b/internal/db/redis/image.go
index 1f4e8fa..f216531 100644
--- a/internal/db/redis/image.go
+++ b/internal/db/redis/image.go
@@ -1,6 +1,7 @@
 package redis
 
 import (
+	"errors"
 	"fmt"
 	"log"
 
@@ -11,6 +12,8 @@ import (
 
 const V1FilePathFmt = "v1imagepost:%s"
 
+var ErrNotFound error = errors.New("Not Found")
+
 // ImageRepo deps. for storage
 type ImageRepo struct {
 	db *redis.Pool
@@ -23,14 +26,14 @@ func NewRedisImageRepo(conn *redis.Pool) *ImageRepo {
 	}
 }
 
-func fileKey(filename, V1FilePathFmt string) string {
-	return fmt.Sprintf(V1FilePathFmt, filename)
+func fileKey(imageID, V1FilePathFmt string) string {
+	return fmt.Sprintf(V1FilePathFmt, imageID)
 }
 
-func (r *ImageRepo) AddNewFile(filename string, meta *image.PostMeta, timeout int) error {
+func (r *ImageRepo) AddNewFile(imageID string, meta *image.PostMeta, timeout int) error {
 	conn := r.db.Get()
 	defer conn.Close()
-	key := fileKey(filename, V1FilePathFmt)
+	key := fileKey(imageID, V1FilePathFmt)
 	_, err := conn.Do("HMSET", redis.Args{}.Add(key).AddFlat(meta)...)
 	if err != nil {
 		log.Fatal(err)
@@ -45,8 +48,11 @@ func (r *ImageRepo) GetFile(fileUrl string) (*image.PostMeta, error) {
 	key := fileKey(fileUrl, V1FilePathFmt)
 	res, err := redis.Values(conn.Do("HGETALL", key))
 	if err != nil {
-		return &image.PostMeta{}, err
+		return &image.PostMeta{}, ErrNotFound
 	}
 	err = redis.ScanStruct(res, imageMeta)
+	if imageMeta.FilePath == "" {
+		return &image.PostMeta{}, ErrNotFound
+	}
 	return imageMeta, err
 }