|
|
@@ -0,0 +1,191 @@
|
|
|
+package orm
|
|
|
+
|
|
|
+import (
|
|
|
+ "fmt"
|
|
|
+ "net/http"
|
|
|
+
|
|
|
+ "github.com/jinzhu/gorm"
|
|
|
+ "gogs.carducci-dante.gov.it/karmen/core/renderer"
|
|
|
+)
|
|
|
+
|
|
|
+type Student struct {
|
|
|
+ gorm.Model
|
|
|
+ Credential
|
|
|
+
|
|
|
+ ClassID uint `schema:"class_id"`
|
|
|
+
|
|
|
+ Class *Class
|
|
|
+ Teachers []*Teacher
|
|
|
+ Activities []*Activity
|
|
|
+}
|
|
|
+
|
|
|
+type StudentForUpdate struct {
|
|
|
+ Student Student
|
|
|
+ AllClasses []*Class
|
|
|
+
|
|
|
+ SelectedClass map[uint]string
|
|
|
+}
|
|
|
+
|
|
|
+type StudentForAdd struct {
|
|
|
+ AllClasses []*Class
|
|
|
+}
|
|
|
+
|
|
|
+var (
|
|
|
+ selectStudentTeachers = `
|
|
|
+SELECT teachers.* FROM activities
|
|
|
+INNER JOIN teachers ON activities.teacher_id=teachers.id
|
|
|
+`
|
|
|
+)
|
|
|
+
|
|
|
+func (s *Student) GetID() uint { return s.ID }
|
|
|
+
|
|
|
+func GetStudent(args map[string]string) (interface{}, error) {
|
|
|
+ var student Student
|
|
|
+ if err := DB().First(&student, args["id"]).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return &student, nil
|
|
|
+}
|
|
|
+
|
|
|
+func GetStudentAll(args map[string]string) (interface{}, error) {
|
|
|
+ var student Student
|
|
|
+
|
|
|
+ id := args["id"]
|
|
|
+
|
|
|
+ if err := DB().Where("id = ?", id).Find(&student).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+
|
|
|
+ // if err := DB().Preload("Student").Preload("Subject").Preload("Class").Where("student_id=?", id).Find(&student.Activities).Error; err != nil {
|
|
|
+ // return nil, err
|
|
|
+ // }
|
|
|
+
|
|
|
+ return &student, nil
|
|
|
+}
|
|
|
+
|
|
|
+func GetStudents(args map[string]string) (interface{}, error) {
|
|
|
+ var students []*Student
|
|
|
+ if err := DB().Order("surname,name").Find(&students).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return students, nil
|
|
|
+}
|
|
|
+
|
|
|
+func GetStudentsAll(args map[string]string) (interface{}, error) {
|
|
|
+ var students []*Student
|
|
|
+ if err := DB().Order("surname,name").Find(&students).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ for _, student := range students {
|
|
|
+ student.GetTeachers()
|
|
|
+ }
|
|
|
+ for _, student := range students {
|
|
|
+ student.GetActivities()
|
|
|
+ }
|
|
|
+ return students, nil
|
|
|
+}
|
|
|
+
|
|
|
+func SaveStudent(student interface{}) (interface{}, error) {
|
|
|
+ if err := DB().Omit("Classes", "Subjects", "Activities").Save(student).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return student, nil
|
|
|
+}
|
|
|
+
|
|
|
+func UpdateStudent(args map[string]string, r *http.Request) (IDer, error) {
|
|
|
+ student, err := GetStudent(args)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ err = renderer.Decode(student, r)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ _, err = SaveStudent(student)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ student, err = GetStudent(args)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return student.(*Student), nil
|
|
|
+}
|
|
|
+
|
|
|
+func AddStudent(args map[string]string, r *http.Request) (IDer, error) {
|
|
|
+ student := new(Student)
|
|
|
+ err := renderer.Decode(student, r)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ student, err = CreateStudent(student)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+
|
|
|
+ return student, nil
|
|
|
+}
|
|
|
+
|
|
|
+func CreateStudent(student *Student) (*Student, error) {
|
|
|
+ if err := DB().Create(student).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return student, nil
|
|
|
+}
|
|
|
+
|
|
|
+func DeleteStudent(args map[string]string, r *http.Request) (IDer, error) {
|
|
|
+ student, err := GetStudent(args)
|
|
|
+ if err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ if err := DB().Unscoped().Delete(student.(*Student)).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return student.(*Student), nil
|
|
|
+}
|
|
|
+
|
|
|
+func GetStudentForUpdate(args map[string]string) (interface{}, error) {
|
|
|
+ var data StudentForUpdate
|
|
|
+
|
|
|
+ id := args["id"]
|
|
|
+
|
|
|
+ if err := DB().Preload("Class").First(&data.Student, id).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+
|
|
|
+ if err := DB().Find(&data.AllClasses).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+
|
|
|
+ data.SelectedClass = make(map[uint]string)
|
|
|
+ data.SelectedClass[data.Student.ClassID] = "selected"
|
|
|
+
|
|
|
+ return data, nil
|
|
|
+}
|
|
|
+
|
|
|
+func GetStudentForAdd(args map[string]string) (interface{}, error) {
|
|
|
+ var data StudentForAdd
|
|
|
+
|
|
|
+ if err := DB().Find(&data.AllClasses).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return data, nil
|
|
|
+}
|
|
|
+
|
|
|
+func (s *Student) GetTeachers() ([]*Teacher, error) {
|
|
|
+ if err := DB().Raw(selectStudentTeachers, s.ID).Scan(&s.Teachers).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return s.Teachers, nil
|
|
|
+}
|
|
|
+
|
|
|
+func (s *Student) GetActivities() ([]*Activity, error) {
|
|
|
+ if err := DB().Preload("Student").Preload("Subject").Preload("Class").Where("student_id=?", s.ID).Find(&s.Activities).Error; err != nil {
|
|
|
+ return nil, err
|
|
|
+ }
|
|
|
+ return s.Activities, nil
|
|
|
+}
|
|
|
+
|
|
|
+func (s *Student) CompleteName() string {
|
|
|
+ return fmt.Sprintf("%s %s", s.Name, s.Surname)
|
|
|
+}
|
Andrea Fazzi