sprechstunden-go/repositories/course.go

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2022-08-29 20:58:19 +00:00
// course
package repositories
import (
"database/sql"
"sprechstundentool/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
}