init

internal/tenant/comments.go

@@ -0,0 +1,70 @@
+package tenant
+
+import (
+	"context"
+	"database/sql"
+)
+
+func (q *Queries) ListComments(ctx context.Context, postSlug string) ([]Comment, error) {
+	rows, err := q.db.QueryContext(ctx, `SELECT id, user_id, post_slug, content, content_html, parent_id, created_at, updated_at
+		FROM comments WHERE post_slug = ? ORDER BY created_at ASC`, postSlug)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	var comments []Comment
+	for rows.Next() {
+		c, err := scanComment(rows)
+		if err != nil {
+			return nil, err
+		}
+		comments = append(comments, c)
+	}
+	return comments, rows.Err()
+}
+
+func (q *Queries) GetComment(ctx context.Context, id int64) (*Comment, error) {
+	row := q.db.QueryRowContext(ctx, `SELECT id, user_id, post_slug, content, content_html, parent_id, created_at, updated_at
+		FROM comments WHERE id = ?`, id)
+
+	c, err := scanComment(row)
+	if err == sql.ErrNoRows {
+		return nil, nil
+	}
+	if err != nil {
+		return nil, err
+	}
+	return &c, nil
+}
+
+func (q *Queries) CreateComment(ctx context.Context, c *Comment) error {
+	result, err := q.db.ExecContext(ctx, `INSERT INTO comments (user_id, post_slug, content, content_html, parent_id)
+		VALUES (?, ?, ?, ?, ?)`,
+		c.UserID, c.PostSlug, c.Content, nullStr(c.ContentHTML), c.ParentID)
+	if err != nil {
+		return err
+	}
+	c.ID, _ = result.LastInsertId()
+	return nil
+}
+
+func (q *Queries) DeleteComment(ctx context.Context, id int64) error {
+	_, err := q.db.ExecContext(ctx, `DELETE FROM comments WHERE id = ?`, id)
+	return err
+}
+
+func scanComment(s scanner) (Comment, error) {
+	var c Comment
+	var contentHTML, createdAt, updatedAt sql.NullString
+
+	err := s.Scan(&c.ID, &c.UserID, &c.PostSlug, &c.Content, &contentHTML, &c.ParentID, &createdAt, &updatedAt)
+	if err != nil {
+		return c, err
+	}
+
+	c.ContentHTML = contentHTML.String
+	c.CreatedAt = parseTime(createdAt.String)
+	c.UpdatedAt = parseTime(updatedAt.String)
+	return c, nil
+}