Datenbanken, erster Versuch
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parent
b26544756a
commit
766aedf22d
21 changed files with 678 additions and 320 deletions
67
repositories/course.go
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67
repositories/course.go
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@ -0,0 +1,67 @@
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// course
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package repositories
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import (
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"database/sql"
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"sprechstundentool/models"
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)
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type CourseRepo struct {
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db *sql.DB
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}
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func NewCourseRepo(db *sql.DB) *CourseRepo {
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return &CourseRepo{
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db: db,
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}
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}
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func (r *CourseRepo) FindByName(name string) (models.Course, error) {
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row := r.db.QueryRow("SELECT * FROM course WHERE name=?", name)
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var course models.Course
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if err := row.Scan(&course.Id, &course.Name); err != nil {
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return models.Course{}, err
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}
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return course, nil
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}
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func (r *CourseRepo) FindById(id int) (models.Course, error) {
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row := r.db.QueryRow("SELECT * FROM course WHERE id=?", id)
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var course models.Course
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if err := row.Scan(&course.Id, &course.Name); err != nil {
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return models.Course{}, err
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}
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return course, nil
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}
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func (r *CourseRepo) GetAll() ([]models.Course, error) {
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rows, err := r.db.Query("SELECT * FROM course")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return r.getFromRows(rows)
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}
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func (r *CourseRepo) GetActive() ([]models.Course, error) {
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rows, err := r.db.Query("SELECT * FROM course WHERE active")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return r.getFromRows(rows)
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}
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func (r *CourseRepo) getFromRows(rows *sql.Rows) ([]models.Course, error) {
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var courses []models.Course
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for rows.Next() {
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var course models.Course
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if err := rows.Scan(&course.Id, &course.Name); err != nil {
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return courses, err
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}
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courses = append(courses, course)
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}
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return courses, nil
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}
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95
repositories/officeHour.go
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95
repositories/officeHour.go
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@ -0,0 +1,95 @@
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// officeHour
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package repositories
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import (
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"database/sql"
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"sprechstundentool/models"
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)
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type OfficeHourRepo struct {
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db *sql.DB
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roomRepo *RoomRepo
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tutorRepo *TutorRepo
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courseRepo *CourseRepo
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}
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func NewOfficeHourRepo(db *sql.DB, roomRepo *RoomRepo, tutorRepo *TutorRepo, courseRepo *CourseRepo) *OfficeHourRepo {
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return &OfficeHourRepo{
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db: db,
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roomRepo: roomRepo,
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tutorRepo: tutorRepo,
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courseRepo: courseRepo,
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}
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}
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func (r *OfficeHourRepo) GetAll() ([]models.OfficeHour, error) {
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rows, err := r.db.Query("SELECT * FROM officeHour")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return r.getFromRows(rows)
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}
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func (r *OfficeHourRepo) FindByCourse(course models.Course) ([]models.OfficeHour, error) {
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rows, err := r.db.Query("SELECT * FROM officeHour WHERE course=?", course.Id)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return r.getFromRows(rows)
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}
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func (r *OfficeHourRepo) FindByRoom(room models.Room) ([]models.OfficeHour, error) {
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rows, err := r.db.Query("SELECT * FROM officeHour WHERE room=?", room.Id)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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return r.getFromRows(rows)
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}
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func (r *OfficeHourRepo) FindById(id int) (models.OfficeHour, error) {
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return r.getFromRow(r.db.QueryRow("SELECT * FROM officeHour WHERE id=?", id))
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}
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func (r *OfficeHourRepo) Add(officeHour models.OfficeHour) error {
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return nil
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}
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func (r *OfficeHourRepo) Delete(officeHour models.OfficeHour) error {
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return nil
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}
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func (r *OfficeHourRepo) getFromRow(row *sql.Row) (models.OfficeHour, error) {
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var officeHour models.OfficeHour
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var day, hour, minute, tutorid int
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var roomName, courseName string
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err := row.Scan(&officeHour.Id, &tutorid, &day, &hour, &minute, &roomName, &courseName, &officeHour.Week, &officeHour.Info, &officeHour.Active, &officeHour.Duration)
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if err != nil {
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return models.OfficeHour{}, err
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}
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officeHour.Date = models.Date{day, hour, minute}
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officeHour.Room, _ = r.roomRepo.FindByName(roomName)
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officeHour.Tutor, _ = r.tutorRepo.FindById(tutorid)
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officeHour.Course, _ = r.courseRepo.FindByName(courseName)
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return officeHour, nil
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}
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func (r *OfficeHourRepo) getFromRows(rows *sql.Rows) ([]models.OfficeHour, error) {
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var officeHours []models.OfficeHour
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for rows.Next() {
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var officeHour models.OfficeHour
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var day, hour, minute, tutorId, roomId, courseId int
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if err := rows.Scan(&officeHour.Id, &tutorId, &day, &hour, &minute, &roomId, &courseId, &officeHour.Week, &officeHour.Info, &officeHour.Active, &officeHour.Duration); err != nil {
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return officeHours, err
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}
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officeHour.Date = models.Date{day, hour, minute}
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officeHour.Room, _ = r.roomRepo.FindById(roomId)
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officeHour.Tutor, _ = r.tutorRepo.FindById(tutorId)
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officeHour.Course, _ = r.courseRepo.FindById(courseId)
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officeHours = append(officeHours, officeHour)
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}
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return officeHours, nil
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}
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59
repositories/room.go
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59
repositories/room.go
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@ -0,0 +1,59 @@
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// raum
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package repositories
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import (
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"database/sql"
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"sprechstundentool/models"
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)
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type RoomRepo struct {
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db *sql.DB
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}
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func NewRoomRepo(db *sql.DB) *RoomRepo {
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return &RoomRepo{
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db: db,
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}
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}
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func (r *RoomRepo) FindByName(name string) (models.Room, error) {
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row := r.db.QueryRow("SELECT * FROM room WHERE name=?", name)
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var room models.Room
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if err := row.Scan(&room.Name, &room.MaxOccupy); err != nil {
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return models.Room{}, err
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}
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return room, nil
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}
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func (r *RoomRepo) FindById(id int) (models.Room, error) {
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row := r.db.QueryRow("SELECT * FROM room WHERE id=?", id)
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var room models.Room
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if err := row.Scan(&room.Id, &room.Name, &room.MaxOccupy); err != nil {
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return models.Room{}, err
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}
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return room, nil
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}
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func (r *RoomRepo) GetAll() ([]models.Room, error) {
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rows, err := r.db.Query("SELECT * FROM room")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var rooms []models.Room
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for rows.Next() {
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var room models.Room
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if err := rows.Scan(&room.Id, &room.Name, &room.MaxOccupy); err != nil {
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return rooms, err
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}
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rooms = append(rooms, room)
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}
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return rooms, nil
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}
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func (r *RoomRepo) Save(room models.Room) error {
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return nil
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}
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func (r *RoomRepo) Add(room models.Room) error {
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return nil
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}
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68
repositories/tutor.go
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68
repositories/tutor.go
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@ -0,0 +1,68 @@
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// tutor
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package repositories
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import (
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"database/sql"
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"sprechstundentool/models"
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)
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type TutorRepo struct {
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db *sql.DB
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}
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func NewTutorRepo(db *sql.DB) *TutorRepo {
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return &TutorRepo{
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db: db,
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}
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}
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func (r *TutorRepo) FindByEmail(email string) ([]models.Tutor, error) {
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rows, err := r.db.Query("SELECT * FROM tutor WHERE email=?", email)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var tutors []models.Tutor
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for rows.Next() {
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var tutor models.Tutor
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if err := rows.Scan(&tutor.Id, &tutor.Name, &tutor.Email); err != nil {
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return tutors, err
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}
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tutors = append(tutors, tutor)
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}
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return tutors, nil
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}
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func (r *TutorRepo) FindById(id int) (models.Tutor, error) {
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row := r.db.QueryRow("SELECT * FROM tutor WHERE id=?", id)
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var tutor models.Tutor
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if err := row.Scan(&tutor.Id, &tutor.Name, &tutor.Email); err != nil {
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return models.Tutor{}, err
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}
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return tutor, nil
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}
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func (r *TutorRepo) GetAll() ([]models.Tutor, error) {
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rows, err := r.db.Query("SELECT * FROM tutor")
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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var tutors []models.Tutor
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for rows.Next() {
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var tutor models.Tutor
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if err := rows.Scan(&tutor.Id, &tutor.Name, &tutor.Email); err != nil {
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return tutors, err
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}
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tutors = append(tutors, tutor)
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}
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return tutors, nil
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}
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func (r *TutorRepo) Save(tutor models.Tutor) error {
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return nil
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}
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func (r *TutorRepo) Add(tutor models.Tutor) error {
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return nil
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}
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