88 lines
2.1 KiB
Go
88 lines
2.1 KiB
Go
package postgres
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import (
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"fmt"
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"git.snrd.de/Spaenny/goddit"
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"github.com/google/uuid"
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"github.com/jmoiron/sqlx"
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)
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type PostStore struct {
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*sqlx.DB
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}
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func (s *PostStore) Post(id uuid.UUID) (goddit.Post, error) {
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var p goddit.Post
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if err := s.Get(&p, `SELECT * FROM posts WHERE id = $1`, id); err != nil {
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return goddit.Post{}, fmt.Errorf("error getting post: %w", err)
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}
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return p, nil
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}
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func (s *PostStore) PostsByThread(threadID uuid.UUID) ([]goddit.Post, error) {
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var pp []goddit.Post
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var query = `
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SELECT
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posts.*,
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COUNT(comments.*) AS comments_count
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FROM posts
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LEFT JOIN comments ON comments.post_id = posts.id
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WHERE thread_ID = $1
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GROUP BY posts.id
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ORDER BY votes DESC`
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if err := s.Select(&pp, query, threadID); err != nil {
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return []goddit.Post{}, fmt.Errorf("error gettings posts: %w", err)
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}
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return pp, nil
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}
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func (s *PostStore) Posts() ([]goddit.Post, error) {
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var pp []goddit.Post
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var query = `
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SELECT
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posts.*,
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COUNT(comments.*) AS comments_count,
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threads.title AS thread_title
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FROM posts
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LEFT JOIN comments ON comments.post_id = posts.id
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JOIN threads ON threads.id = posts.thread_id
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GROUP BY posts.id, threads.title
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ORDER BY votes DESC`
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if err := s.Select(&pp, query); err != nil {
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return []goddit.Post{}, fmt.Errorf("error gettings posts: %w", err)
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}
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return pp, nil
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}
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func (s *PostStore) CreatePost(p *goddit.Post) error {
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if err := s.Get(p, `INSERT INTO posts VALUES($1, $2, $3, $4, $5) RETURNING *`,
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p.ID,
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p.ThreadID,
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p.Title,
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p.Content,
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p.Votes); err != nil {
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return fmt.Errorf("error creating post: %w", err)
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}
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return nil
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}
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func (s *PostStore) UpdatePost(p *goddit.Post) error {
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if err := s.Get(p, `UPDATE posts set thread_id = $1, title = $2, content = $3, votes = $4 WHERE id = $5 RETURNING *`,
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p.ThreadID,
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p.Title,
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p.Content,
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p.Votes,
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p.ID); err != nil {
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return fmt.Errorf("error updating post: %w", err)
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}
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return nil
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}
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func (s *PostStore) DeletePost(id uuid.UUID) error {
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if _, err := s.Exec(`DELETE FROM posts WHERE id = $1`, id); err != nil {
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return fmt.Errorf("error deleting post: %w", err)
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}
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return nil
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}
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