Fachschaft/sprechstunden-go
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Verbessere Logging und Fehlerbehandlung

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This commit is contained in:
Gonne 2022-09-21 22:24:08 +02:00
parent c737818ce4
commit 6e97d867de
14 changed files with 223 additions and 88 deletions
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31
repositories/course.go
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@ -3,6 +3,9 @@ package repositories
import (
"database/sql"
"errors"
"fmt"
"log"
"officeHours/models"
)
@ -17,26 +20,17 @@ func NewCourseRepo(db *sql.DB) *CourseRepo {
}
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
return r.getFromRow(r.db.QueryRow("SELECT * FROM course WHERE name=?", name))
}
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
return r.getFromRow(r.db.QueryRow("SELECT * FROM course WHERE id=?", id))
}
func (r *CourseRepo) GetAll() ([]models.Course, error) {
rows, err := r.db.Query("SELECT * FROM course")
if err != nil {
log.Printf("Error getting all courses: %s", err.Error())
return nil, err
}
defer rows.Close()
@ -49,9 +43,22 @@ func (r *CourseRepo) getFromRows(rows *sql.Rows) ([]models.Course, error) {
for rows.Next() {
var course models.Course
if err := rows.Scan(&course.Id, &course.Name); err != nil {
log.Printf("Error scanning course row: %s", err.Error())
return courses, err
}
courses = append(courses, course)
}
return courses, nil
}
func (r *CourseRepo) getFromRow(row *sql.Row) (models.Course, error) {
var course models.Course
if err := row.Scan(&course.Id, &course.Name); err != nil {
err = fmt.Errorf("Error getting course row: %w", err)
if !errors.Is(err, sql.ErrNoRows) {
log.Printf(err.Error())
}
return models.Course{}, err
}
return course, nil
}