138 lines
3.2 KiB
Go
138 lines
3.2 KiB
Go
package repositories
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import (
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"context"
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"database/sql"
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"strings"
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"gitea.d3m0k1d.ru/d3m0k1d/d3m0k1d.ru/backend/internal/logger"
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"gitea.d3m0k1d.ru/d3m0k1d/d3m0k1d.ru/backend/internal/storage"
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)
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type postRepository struct {
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db *sql.DB
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logger *logger.Logger
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}
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func NewPostRepository(db *sql.DB) PostRepository {
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return &postRepository{
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db: db,
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logger: logger.New(false),
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}
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}
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func (p *postRepository) GetAll(ctx context.Context) ([]storage.PostReq, error) {
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var result []storage.PostReq
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rows, err := p.db.Query("SELECT id, title, content FROM posts WHERE published = 1")
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if err != nil {
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p.logger.Error(err.Error())
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return nil, err
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}
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for rows.Next() {
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var title string
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var content string
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var id int
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err := rows.Scan(&id, &title, &content)
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if err != nil {
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p.logger.Error("error scan: " + err.Error())
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}
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result = append(result, storage.PostReq{
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ID: id,
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Title: title,
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Content: content,
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})
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}
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return result, nil
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}
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func (p *postRepository) GetByID(ctx context.Context, id int) (storage.PostReq, error) {
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var result storage.PostReq
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row := p.db.QueryRow("SELECT title, content FROM posts WHERE id = ? AND published = 1", id)
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var title string
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var content string
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err := row.Scan(&title, &content)
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if err != nil {
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p.logger.Error("error scan: " + err.Error())
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}
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result = storage.PostReq{
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ID: id,
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Title: title,
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Content: content,
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}
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return result, nil
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}
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func (p *postRepository) Create(ctx context.Context, post storage.Post) error {
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query, err := p.db.Exec(
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"INSERT INTO posts(title, content) VALUES(?, ?)",
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post.Title,
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post.Content,
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)
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if err != nil {
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return err
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}
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id, err := query.LastInsertId()
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if err != nil {
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return err
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}
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p.logger.Info("Post created:", "id", id)
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return nil
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}
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func (p *postRepository) Update(ctx context.Context, id int, post storage.Post) error {
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query := "UPDATE posts SET "
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args := []interface{}{}
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updates := []string{}
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if post.Title != "" {
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updates = append(updates, "title = ?")
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args = append(args, post.Title)
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}
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if post.Content != "" {
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updates = append(updates, "content = ?")
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args = append(args, post.Content)
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}
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updates = append(updates, "published = ?")
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args = append(args, post.Published)
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updates = append(updates, "updated_at = CURRENT_TIMESTAMP")
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query += strings.Join(updates, ", ")
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query += " WHERE id = ?"
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args = append(args, id)
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_, err := p.db.ExecContext(ctx, query, args...)
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return err
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}
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func (p *postRepository) Delete(ctx context.Context, id int) error {
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_, err := p.db.Exec("DELETE FROM posts WHERE id = ?", id)
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if err != nil {
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return err
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}
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p.logger.Info("Post deleted:", "id", id)
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return nil
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}
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func (p *postRepository) GetLastID(ctx context.Context) (int, error) {
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var id int
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row := p.db.QueryRow("SELECT id FROM posts ORDER BY id DESC LIMIT 1")
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err := row.Scan(&id)
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if err != nil {
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p.logger.Error("error scan: " + err.Error())
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}
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return id, nil
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}
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func (p *postRepository) IsExist(ctx context.Context, id int) bool {
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var exists int
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err := p.db.QueryRowContext(ctx, "SELECT 1 FROM posts WHERE id = ? LIMIT 1", id).Scan(&exists)
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if err != nil {
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if err == sql.ErrNoRows {
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return false
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}
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p.logger.Error("error checking post existence: " + err.Error())
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return false
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}
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return true
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}
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