Add unified post storage (#3)

Adds one post creation path for roots and replies, recursive thread loading, body-only updates, root listings, and root-only voting across PostgreSQL and the in-memory store. Co-authored-by: codegirl-007 <s.raide@gmail.com>
2026-08-27 07:43:25 +00:00
parent c5ef15ae1f
commit e86c2072ea
11 changed files with 1764 additions and 30 deletions
@@ -25,7 +25,7 @@ type Post struct {
 	Body      string
 	City      string
 	PostDate  string
-	Hidden    int32
+	PostState string
 	CreatedAt string
 	UpdatedAt string
 }
@@ -0,0 +1,385 @@
+// Code generated by sqlc. DO NOT EDIT.
+// versions:
+//   sqlc v1.31.1
+// source: posts.sql
+
+package sqlc
+
+import (
+	"context"
+	"database/sql"
+)
+
+const createPost = `-- name: CreatePost :exec
+INSERT INTO posts (
+  id, parent_id, author_id, title, body, city, post_date, post_state, created_at, updated_at
+)
+VALUES (
+  $1,
+  $2,
+  $3,
+  $4,
+  $5,
+  $6,
+  $7,
+  $8,
+  $9,
+  $10
+)
+`
+
+type CreatePostParams struct {
+	ID        string
+	ParentID  sql.NullString
+	AuthorID  string
+	Title     string
+	Body      string
+	City      string
+	PostDate  string
+	PostState string
+	CreatedAt string
+	UpdatedAt string
+}
+
+func (q *Queries) CreatePost(ctx context.Context, arg CreatePostParams) error {
+	_, err := q.db.ExecContext(ctx, createPost,
+		arg.ID,
+		arg.ParentID,
+		arg.AuthorID,
+		arg.Title,
+		arg.Body,
+		arg.City,
+		arg.PostDate,
+		arg.PostState,
+		arg.CreatedAt,
+		arg.UpdatedAt,
+	)
+	return err
+}
+
+const deletePostVote = `-- name: DeletePostVote :exec
+DELETE FROM post_votes
+WHERE user_id = $1
+  AND post_id = $2
+`
+
+type DeletePostVoteParams struct {
+	UserID string
+	PostID string
+}
+
+func (q *Queries) DeletePostVote(ctx context.Context, arg DeletePostVoteParams) error {
+	_, err := q.db.ExecContext(ctx, deletePostVote, arg.UserID, arg.PostID)
+	return err
+}
+
+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.post_state, p.created_at, p.updated_at
+FROM posts p
+JOIN users u ON u.id = p.author_id
+WHERE p.id = $1
+`
+
+type GetPostRow struct {
+	ID         string
+	ParentID   sql.NullString
+	AuthorID   string
+	AuthorName string
+	AuthorRole string
+	Title      string
+	Body       string
+	City       string
+	PostDate   string
+	PostState  string
+	CreatedAt  string
+	UpdatedAt  string
+}
+
+func (q *Queries) GetPost(ctx context.Context, id string) (GetPostRow, error) {
+	row := q.db.QueryRowContext(ctx, getPost, id)
+	var i GetPostRow
+	err := row.Scan(
+		&i.ID,
+		&i.ParentID,
+		&i.AuthorID,
+		&i.AuthorName,
+		&i.AuthorRole,
+		&i.Title,
+		&i.Body,
+		&i.City,
+		&i.PostDate,
+		&i.PostState,
+		&i.CreatedAt,
+		&i.UpdatedAt,
+	)
+	return i, err
+}
+
+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
+  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.post_state, child.created_at, child.updated_at
+  FROM posts child
+  JOIN thread parent ON child.parent_id = parent.id
+)
+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.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
+`
+
+type ListPostThreadRow struct {
+	ID         string
+	ParentID   sql.NullString
+	AuthorID   string
+	AuthorName string
+	AuthorRole string
+	Title      string
+	Body       string
+	City       string
+	PostDate   string
+	PostState  string
+	CreatedAt  string
+	UpdatedAt  string
+}
+
+func (q *Queries) ListPostThread(ctx context.Context, rootID string) ([]ListPostThreadRow, error) {
+	rows, err := q.db.QueryContext(ctx, listPostThread, rootID)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListPostThreadRow{}
+	for rows.Next() {
+		var i ListPostThreadRow
+		if err := rows.Scan(
+			&i.ID,
+			&i.ParentID,
+			&i.AuthorID,
+			&i.AuthorName,
+			&i.AuthorRole,
+			&i.Title,
+			&i.Body,
+			&i.City,
+			&i.PostDate,
+			&i.PostState,
+			&i.CreatedAt,
+			&i.UpdatedAt,
+		); 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
+  FROM posts p
+  WHERE p.parent_id IS NULL
+    AND p.post_date = $3
+    AND p.post_state <> $4
+),
+thread AS (
+  SELECT roots.id AS root_id, child.id AS post_id, child.author_id
+  FROM roots
+  JOIN posts child ON child.parent_id = roots.id
+
+  UNION ALL
+
+  SELECT thread.root_id, child.id, child.author_id
+  FROM thread
+  JOIN posts child ON child.parent_id = thread.post_id
+),
+answered AS (
+  SELECT DISTINCT thread.root_id
+  FROM thread
+  JOIN users u ON u.id = thread.author_id
+  WHERE u.role = 'admin'
+),
+scores AS (
+  SELECT votes.post_id, SUM(votes.value)::bigint AS score
+  FROM roots
+  JOIN post_votes votes ON votes.post_id = roots.id
+  GROUP BY votes.post_id
+)
+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.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
+FROM roots
+JOIN users u ON u.id = roots.author_id
+LEFT JOIN scores ON scores.post_id = roots.id
+LEFT JOIN answered ON answered.root_id = roots.id
+LEFT JOIN post_votes viewer_vote
+  ON viewer_vote.user_id = $1
+  AND viewer_vote.post_id = roots.id
+ORDER BY score DESC, roots.created_at, roots.id
+LIMIT $2
+`
+
+type ListRootPostsParams struct {
+	ViewerID    string
+	RowLimit    int32
+	PostDate    string
+	HiddenState string
+}
+
+type ListRootPostsRow struct {
+	ID         string
+	ParentID   sql.NullString
+	AuthorID   string
+	AuthorName string
+	AuthorRole string
+	Title      string
+	Body       string
+	City       string
+	PostDate   string
+	PostState  string
+	CreatedAt  string
+	UpdatedAt  string
+	Score      int64
+	Answered   bool
+	UserVote   int64
+}
+
+func (q *Queries) ListRootPosts(ctx context.Context, arg ListRootPostsParams) ([]ListRootPostsRow, error) {
+	rows, err := q.db.QueryContext(ctx, listRootPosts,
+		arg.ViewerID,
+		arg.RowLimit,
+		arg.PostDate,
+		arg.HiddenState,
+	)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	items := []ListRootPostsRow{}
+	for rows.Next() {
+		var i ListRootPostsRow
+		if err := rows.Scan(
+			&i.ID,
+			&i.ParentID,
+			&i.AuthorID,
+			&i.AuthorName,
+			&i.AuthorRole,
+			&i.Title,
+			&i.Body,
+			&i.City,
+			&i.PostDate,
+			&i.PostState,
+			&i.CreatedAt,
+			&i.UpdatedAt,
+			&i.Score,
+			&i.Answered,
+			&i.UserVote,
+		); 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 postIsVisibleRoot = `-- name: PostIsVisibleRoot :one
+SELECT EXISTS(
+  SELECT 1
+  FROM posts
+  WHERE id = $1
+    AND parent_id IS NULL
+    AND post_state <> $2
+)::bool
+`
+
+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
+}
+
+const updatePost = `-- name: UpdatePost :execrows
+UPDATE posts
+SET
+  body = $1,
+  updated_at = $2
+WHERE id = $3
+`
+
+type UpdatePostParams struct {
+	Body      string
+	UpdatedAt string
+	ID        string
+}
+
+func (q *Queries) UpdatePost(ctx context.Context, arg UpdatePostParams) (int64, error) {
+	result, err := q.db.ExecContext(ctx, updatePost, arg.Body, arg.UpdatedAt, arg.ID)
+	if err != nil {
+		return 0, err
+	}
+	return result.RowsAffected()
+}
+
+const upsertPostVoteOnVisibleRoot = `-- name: UpsertPostVoteOnVisibleRoot :execrows
+INSERT INTO post_votes (user_id, post_id, value)
+SELECT $1, $2, $3
+FROM posts p
+WHERE p.id = $2
+  AND p.parent_id IS NULL
+  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
+	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,
+		arg.HiddenState,
+	)
+	if err != nil {
+		return 0, err
+	}
+	return result.RowsAffected()
+}