/
snippets.go
73 lines (59 loc) · 1.55 KB
/
snippets.go
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package mysql
import (
"database/sql"
"errors"
"github.com/able8/snippetbox/pkg/models"
)
type SnippetModel struct {
DB *sql.DB
}
func (m *SnippetModel) Insert(title, content, expires string) (int, error) {
stmt := `INSERT INTO snippets (title, content, created, expires)
VALUES (?,?, UTC_TIMESTAMP(), DATE_ADD(UTC_TIMESTAMP(), INTERVAL ? DAY))`
result, err := m.DB.Exec(stmt, title, content, expires)
if err != nil {
return 0, err
}
id, err := result.LastInsertId()
if err != nil {
return 0, err
}
return int(id), nil
}
func (m *SnippetModel) Get(id int) (*models.Snippet, error) {
stmt := `SELECT id, title, content, created, expires FROM snippets
WHERE expires > UTC_TIMESTAMP() AND id = ?`
row := m.DB.QueryRow(stmt, id)
s := &models.Snippet{}
err := row.Scan(&s.ID, &s.Title, &s.Content, &s.Created, &s.Expires)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return nil, models.ErrNoRecord
} else {
return nil, err
}
}
return s, nil
}
func (m *SnippetModel) Latest() ([]*models.Snippet, error) {
stmt := `SELECT id, title, content, created, expires FROM snippets
WHERE expires > UTC_TIMESTAMP() ORDER BY created DESC LIMIT 10`
rows, err := m.DB.Query(stmt)
if err != nil {
return nil, err
}
defer rows.Close()
snippets := []*models.Snippet{}
for rows.Next() {
s := &models.Snippet{}
err = rows.Scan(&s.ID, &s.Title, &s.Content, &s.Created, &s.Expires)
if err != nil {
return nil, err
}
snippets = append(snippets, s)
}
if err = rows.Err(); err != nil {
return nil, err
}
return snippets, nil
}