Add post video storage (#21)

post_images.kind is image or video. A post can keep one video alongside up to four images.

Reviewed-on: #21
Co-authored-by: codegirl-007 <s.raide@gmail.com>

internal/store/sqlc/models.go

@@ -35,6 +35,7 @@ type PostImage struct {
 	ObjectKey   string
 	PublicUrl   string
 	Description string
+	Kind        string
 	Position    int16
 	Width       int32
 	Height      int32

internal/store/sqlc/posts.sql.go

@@ -59,7 +59,7 @@ func (q *Queries) CreatePost(ctx context.Context, arg CreatePostParams) error {
 
 const createPostImage = `-- name: CreatePostImage :exec
 INSERT INTO post_images (
-  id, post_id, object_key, public_url, description, position, width, height, created_at
+  id, post_id, object_key, public_url, description, kind, position, width, height, created_at
 )
 VALUES (
   $1,
@@ -70,7 +70,8 @@ VALUES (
   $6,
   $7,
   $8,
-  $9
+  $9,
+  $10
 )
 `
 
@@ -80,6 +81,7 @@ type CreatePostImageParams struct {
 	ObjectKey   string
 	PublicUrl   string
 	Description string
+	Kind        string
 	Position    int16
 	Width       int32
 	Height      int32
@@ -93,6 +95,7 @@ func (q *Queries) CreatePostImage(ctx context.Context, arg CreatePostImageParams
 		arg.ObjectKey,
 		arg.PublicUrl,
 		arg.Description,
+		arg.Kind,
 		arg.Position,
 		arg.Width,
 		arg.Height,
@@ -201,7 +204,7 @@ func (q *Queries) GetRootPostVoteSummary(ctx context.Context, arg GetRootPostVot
 
 const listPostImages = `-- name: ListPostImages :many
 SELECT
-  id, post_id, object_key, public_url, description, position, width, height, created_at
+  id, post_id, object_key, public_url, description, kind, position, width, height, created_at
 FROM post_images
 WHERE post_id = $1
 ORDER BY position
@@ -222,6 +225,7 @@ func (q *Queries) ListPostImages(ctx context.Context, postID string) ([]PostImag
 			&i.ObjectKey,
 			&i.PublicUrl,
 			&i.Description,
+			&i.Kind,
 			&i.Position,
 			&i.Width,
 			&i.Height,
@@ -327,7 +331,7 @@ WITH RECURSIVE thread AS (
 )
 SELECT
   images.id, images.post_id, images.object_key, images.public_url,
-  images.description, images.position, images.width, images.height, images.created_at
+  images.description, images.kind, images.position, images.width, images.height, images.created_at
 FROM post_images images
 JOIN thread ON thread.id = images.post_id
 ORDER BY images.post_id, images.position
@@ -348,6 +352,7 @@ func (q *Queries) ListPostThreadImages(ctx context.Context, rootID string) ([]Po
 			&i.ObjectKey,
 			&i.PublicUrl,
 			&i.Description,
+			&i.Kind,
 			&i.Position,
 			&i.Width,
 			&i.Height,