58 lines
1.2 KiB
Go
58 lines
1.2 KiB
Go
// course
|
|
package repositories
|
|
|
|
import (
|
|
"database/sql"
|
|
"officeHours/models"
|
|
)
|
|
|
|
type CourseRepo struct {
|
|
db *sql.DB
|
|
}
|
|
|
|
func NewCourseRepo(db *sql.DB) *CourseRepo {
|
|
return &CourseRepo{
|
|
db: db,
|
|
}
|
|
}
|
|
|
|
func (r *CourseRepo) FindByName(name string) (models.Course, error) {
|
|
row := r.db.QueryRow("SELECT * FROM course WHERE name=?", name)
|
|
var course models.Course
|
|
if err := row.Scan(&course.Id, &course.Name); err != nil {
|
|
return models.Course{}, err
|
|
}
|
|
return course, nil
|
|
}
|
|
|
|
func (r *CourseRepo) FindById(id int) (models.Course, error) {
|
|
row := r.db.QueryRow("SELECT * FROM course WHERE id=?", id)
|
|
var course models.Course
|
|
if err := row.Scan(&course.Id, &course.Name); err != nil {
|
|
return models.Course{}, err
|
|
}
|
|
return course, nil
|
|
}
|
|
|
|
func (r *CourseRepo) GetAll() ([]models.Course, error) {
|
|
rows, err := r.db.Query("SELECT * FROM course")
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
defer rows.Close()
|
|
|
|
return r.getFromRows(rows)
|
|
}
|
|
|
|
func (r *CourseRepo) getFromRows(rows *sql.Rows) ([]models.Course, error) {
|
|
var courses []models.Course
|
|
for rows.Next() {
|
|
var course models.Course
|
|
if err := rows.Scan(&course.Id, &course.Name); err != nil {
|
|
return courses, err
|
|
}
|
|
courses = append(courses, course)
|
|
}
|
|
return courses, nil
|
|
}
|