Add post image storage

internal/store/sqlc/models.go

@@ -22,6 +22,18 @@ type Post struct {
 	UpdatedAt string
 }
 
+type PostImage struct {
+	ID          string
+	PostID      string
+	ObjectKey   string
+	PublicUrl   string
+	Description string
+	Position    int16
+	Width       int32
+	Height      int32
+	CreatedAt   string
+}
+
 type PostVote struct {
 	UserID string
 	PostID string

internal/store/sqlc/posts.sql.go

@@ -57,6 +57,60 @@ func (q *Queries) CreatePost(ctx context.Context, arg CreatePostParams) error {
 	return err
 }
 
+const createPostImage = `-- name: CreatePostImage :exec
+INSERT INTO post_images (
+  id, post_id, object_key, public_url, description, position, width, height, created_at
+)
+VALUES (
+  $1,
+  $2,
+  $3,
+  $4,
+  $5,
+  $6,
+  $7,
+  $8,
+  $9
+)
+`
+
+type CreatePostImageParams struct {
+	ID          string
+	PostID      string
+	ObjectKey   string
+	PublicUrl   string
+	Description string
+	Position    int16
+	Width       int32
+	Height      int32
+	CreatedAt   string
+}
+
+func (q *Queries) CreatePostImage(ctx context.Context, arg CreatePostImageParams) error {
+	_, err := q.db.ExecContext(ctx, createPostImage,
+		arg.ID,
+		arg.PostID,
+		arg.ObjectKey,
+		arg.PublicUrl,
+		arg.Description,
+		arg.Position,
+		arg.Width,
+		arg.Height,
+		arg.CreatedAt,
+	)
+	return err
+}
+
+const deletePostImages = `-- name: DeletePostImages :exec
+DELETE FROM post_images
+WHERE post_id = $1
+`
+
+func (q *Queries) DeletePostImages(ctx context.Context, postID string) error {
+	_, err := q.db.ExecContext(ctx, deletePostImages, postID)
+	return err
+}
+
 const deletePostVote = `-- name: DeletePostVote :exec
 DELETE FROM post_votes
 WHERE user_id = $1
@@ -145,6 +199,47 @@ func (q *Queries) GetRootPostVoteSummary(ctx context.Context, arg GetRootPostVot
 	return i, err
 }
 
+const listPostImages = `-- name: ListPostImages :many
+SELECT
+  id, post_id, object_key, public_url, description, position, width, height, created_at
+FROM post_images
+WHERE post_id = $1
+ORDER BY position
+`
+
+func (q *Queries) ListPostImages(ctx context.Context, postID string) ([]PostImage, error) {
+	rows, err := q.db.QueryContext(ctx, listPostImages, postID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []PostImage{}
+	for rows.Next() {
+		var i PostImage
+		if err := rows.Scan(
+			&i.ID,
+			&i.PostID,
+			&i.ObjectKey,
+			&i.PublicUrl,
+			&i.Description,
+			&i.Position,
+			&i.Width,
+			&i.Height,
+			&i.CreatedAt,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
 const listPostThread = `-- name: ListPostThread :many
 WITH RECURSIVE thread AS (
   SELECT p.id, p.parent_id, p.author_id, p.title, p.body, p.city, p.post_date, p.post_state, p.created_at, p.updated_at
@@ -218,6 +313,59 @@ func (q *Queries) ListPostThread(ctx context.Context, rootID string) ([]ListPost
 	return items, nil
 }
 
+const listPostThreadImages = `-- name: ListPostThreadImages :many
+WITH RECURSIVE thread AS (
+  SELECT p.id
+  FROM posts p
+  WHERE p.id = $1 AND p.parent_id IS NULL
+
+  UNION ALL
+
+  SELECT child.id
+  FROM posts child
+  JOIN thread parent ON child.parent_id = parent.id
+)
+SELECT
+  images.id, images.post_id, images.object_key, images.public_url,
+  images.description, 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
+`
+
+func (q *Queries) ListPostThreadImages(ctx context.Context, rootID string) ([]PostImage, error) {
+	rows, err := q.db.QueryContext(ctx, listPostThreadImages, rootID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []PostImage{}
+	for rows.Next() {
+		var i PostImage
+		if err := rows.Scan(
+			&i.ID,
+			&i.PostID,
+			&i.ObjectKey,
+			&i.PublicUrl,
+			&i.Description,
+			&i.Position,
+			&i.Width,
+			&i.Height,
+			&i.CreatedAt,
+		); err != nil {
+			return nil, err
+		}
+		items = append(items, i)
+	}
+	if err := rows.Close(); err != nil {
+		return nil, err
+	}
+	if err := rows.Err(); err != nil {
+		return nil, err
+	}
+	return items, nil
+}
+
 const listRootPosts = `-- name: ListRootPosts :many
 WITH RECURSIVE roots AS (
   SELECT p.id, p.parent_id, p.author_id, p.title, p.body, p.city, p.post_date, p.post_state, p.created_at, p.updated_at