Replace hidden flag with post state.

Store post state as text so Go owns the allowed values and future states such as locked remain representable without a database enum migration.

internal/store/sqlc/posts.sql.go

@@ -12,7 +12,7 @@ import (
 
 const createPost = `-- name: CreatePost :exec
 INSERT INTO posts (
-  id, parent_id, author_id, title, body, city, post_date, hidden, created_at, updated_at
+  id, parent_id, author_id, title, body, city, post_date, post_state, created_at, updated_at
 )
 VALUES (
   $1,
@@ -36,7 +36,7 @@ type CreatePostParams struct {
 	Body      string
 	City      string
 	PostDate  string
-	Hidden    int32
+	PostState string
 	CreatedAt string
 	UpdatedAt string
 }
@@ -50,7 +50,7 @@ func (q *Queries) CreatePost(ctx context.Context, arg CreatePostParams) error {
 		arg.Body,
 		arg.City,
 		arg.PostDate,
-		arg.Hidden,
+		arg.PostState,
 		arg.CreatedAt,
 		arg.UpdatedAt,
 	)
@@ -76,7 +76,7 @@ func (q *Queries) DeletePostVote(ctx context.Context, arg DeletePostVoteParams)
 const getPost = `-- name: GetPost :one
 SELECT
   p.id, p.parent_id, p.author_id, u.name AS author_name, u.role AS author_role,
-  p.title, p.body, p.city, p.post_date, p.hidden, p.created_at, p.updated_at
+  p.title, p.body, p.city, p.post_date, p.post_state, p.created_at, p.updated_at
 FROM posts p
 JOIN users u ON u.id = p.author_id
 WHERE p.id = $1
@@ -92,7 +92,7 @@ type GetPostRow struct {
 	Body       string
 	City       string
 	PostDate   string
-	Hidden     int32
+	PostState  string
 	CreatedAt  string
 	UpdatedAt  string
 }
@@ -110,7 +110,7 @@ func (q *Queries) GetPost(ctx context.Context, id string) (GetPostRow, error) {
 		&i.Body,
 		&i.City,
 		&i.PostDate,
-		&i.Hidden,
+		&i.PostState,
 		&i.CreatedAt,
 		&i.UpdatedAt,
 	)
@@ -119,13 +119,13 @@ func (q *Queries) GetPost(ctx context.Context, id string) (GetPostRow, error) {
 
 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.hidden, p.created_at, p.updated_at
+  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
   FROM posts p
   WHERE p.id = $1 AND p.parent_id IS NULL
 
   UNION ALL
 
-  SELECT child.id, child.parent_id, child.author_id, child.title, child.body, child.city, child.post_date, child.hidden, child.created_at, child.updated_at
+  SELECT child.id, child.parent_id, child.author_id, child.title, child.body, child.city, child.post_date, child.post_state, child.created_at, child.updated_at
   FROM posts child
   JOIN thread parent ON child.parent_id = parent.id
 )
@@ -133,7 +133,7 @@ SELECT
   thread.id, thread.parent_id, thread.author_id,
   u.name AS author_name, u.role AS author_role,
   thread.title, thread.body, thread.city, thread.post_date,
-  thread.hidden, thread.created_at, thread.updated_at
+  thread.post_state, thread.created_at, thread.updated_at
 FROM thread
 JOIN users u ON u.id = thread.author_id
 ORDER BY thread.created_at, thread.id
@@ -149,7 +149,7 @@ type ListPostThreadRow struct {
 	Body       string
 	City       string
 	PostDate   string
-	Hidden     int32
+	PostState  string
 	CreatedAt  string
 	UpdatedAt  string
 }
@@ -173,7 +173,7 @@ func (q *Queries) ListPostThread(ctx context.Context, rootID string) ([]ListPost
 			&i.Body,
 			&i.City,
 			&i.PostDate,
-			&i.Hidden,
+			&i.PostState,
 			&i.CreatedAt,
 			&i.UpdatedAt,
 		); err != nil {
@@ -192,11 +192,11 @@ func (q *Queries) ListPostThread(ctx context.Context, rootID string) ([]ListPost
 
 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.hidden, p.created_at, p.updated_at
+  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
   FROM posts p
   WHERE p.parent_id IS NULL
     AND p.post_date = $3
-    AND p.hidden = 0
+    AND p.post_state <> $4
 ),
 thread AS (
   SELECT roots.id AS root_id, child.id AS post_id, child.author_id
@@ -225,7 +225,7 @@ SELECT
   roots.id, roots.parent_id, roots.author_id,
   u.name AS author_name, u.role AS author_role,
   roots.title, roots.body, roots.city, roots.post_date,
-  roots.hidden, roots.created_at, roots.updated_at,
+  roots.post_state, roots.created_at, roots.updated_at,
   COALESCE(scores.score, 0)::bigint AS score,
   (answered.root_id IS NOT NULL)::bool AS answered,
   COALESCE(viewer_vote.value, 0)::bigint AS user_vote
@@ -241,9 +241,10 @@ LIMIT $2
 `
 
 type ListRootPostsParams struct {
-	ViewerID string
-	RowLimit int32
-	PostDate string
+	ViewerID    string
+	RowLimit    int32
+	PostDate    string
+	HiddenState string
 }
 
 type ListRootPostsRow struct {
@@ -256,7 +257,7 @@ type ListRootPostsRow struct {
 	Body       string
 	City       string
 	PostDate   string
-	Hidden     int32
+	PostState  string
 	CreatedAt  string
 	UpdatedAt  string
 	Score      int64
@@ -265,7 +266,12 @@ type ListRootPostsRow struct {
 }
 
 func (q *Queries) ListRootPosts(ctx context.Context, arg ListRootPostsParams) ([]ListRootPostsRow, error) {
-	rows, err := q.db.QueryContext(ctx, listRootPosts, arg.ViewerID, arg.RowLimit, arg.PostDate)
+	rows, err := q.db.QueryContext(ctx, listRootPosts,
+		arg.ViewerID,
+		arg.RowLimit,
+		arg.PostDate,
+		arg.HiddenState,
+	)
 	if err != nil {
 		return nil, err
 	}
@@ -283,7 +289,7 @@ func (q *Queries) ListRootPosts(ctx context.Context, arg ListRootPostsParams) ([
 			&i.Body,
 			&i.City,
 			&i.PostDate,
-			&i.Hidden,
+			&i.PostState,
 			&i.CreatedAt,
 			&i.UpdatedAt,
 			&i.Score,
@@ -307,12 +313,19 @@ const postIsVisibleRoot = `-- name: PostIsVisibleRoot :one
 SELECT EXISTS(
   SELECT 1
   FROM posts
-  WHERE id = $1 AND parent_id IS NULL AND hidden = 0
+  WHERE id = $1
+    AND parent_id IS NULL
+    AND post_state <> $2
 )::bool
 `
 
-func (q *Queries) PostIsVisibleRoot(ctx context.Context, id string) (bool, error) {
-	row := q.db.QueryRowContext(ctx, postIsVisibleRoot, id)
+type PostIsVisibleRootParams struct {
+	ID          string
+	HiddenState string
+}
+
+func (q *Queries) PostIsVisibleRoot(ctx context.Context, arg PostIsVisibleRootParams) (bool, error) {
+	row := q.db.QueryRowContext(ctx, postIsVisibleRoot, arg.ID, arg.HiddenState)
 	var column_1 bool
 	err := row.Scan(&column_1)
 	return column_1, err
@@ -346,19 +359,25 @@ SELECT $1, $2, $3
 FROM posts p
 WHERE p.id = $2
   AND p.parent_id IS NULL
-  AND p.hidden = 0
+  AND p.post_state <> $4
 ON CONFLICT (user_id, post_id) DO UPDATE
 SET value = excluded.value
 `
 
 type UpsertPostVoteOnVisibleRootParams struct {
-	UserID string
-	PostID string
-	Value  int32
+	UserID      string
+	PostID      string
+	Value       int32
+	HiddenState string
 }
 
 func (q *Queries) UpsertPostVoteOnVisibleRoot(ctx context.Context, arg UpsertPostVoteOnVisibleRootParams) (int64, error) {
-	result, err := q.db.ExecContext(ctx, upsertPostVoteOnVisibleRoot, arg.UserID, arg.PostID, arg.Value)
+	result, err := q.db.ExecContext(ctx, upsertPostVoteOnVisibleRoot,
+		arg.UserID,
+		arg.PostID,
+		arg.Value,
+		arg.HiddenState,
+	)
 	if err != nil {
 		return 0, err
 	}