Add route for creating group

backend/domain/logic/project.py

@@ -2,7 +2,7 @@
 
 from sqlalchemy.orm import Session
 
-from db.models.models import Project, Student, Subject
+from db.models.models import Project, Student, Subject, Teacher
 from domain.logic.basic_operations import get, get_all
 from domain.models.ProjectDataclass import ProjectDataclass
 
@@ -57,3 +57,12 @@ def get_projects_of_student(session: Session, user_id: int) -> list[ProjectDatac
     for i in subjects:
         projects += i.projects
     return [project.to_domain_model() for project in projects]
+
+
+def get_projects_of_teacher(session: Session, user_id: int) -> list[ProjectDataclass]:
+    teacher = get(session, Teacher, ident=user_id)
+    subjects = teacher.subjects
+    projects = []
+    for i in subjects:
+        projects += i.projects
+    return [project.to_domain_model() for project in projects]

backend/routes/dependencies/role_dependencies.py

@@ -3,7 +3,7 @@
 
 from db.sessions import get_session
 from domain.logic.admin import get_admin, is_user_admin
-from domain.logic.project import get_project
+from domain.logic.project import get_project, get_projects_of_teacher
 from domain.logic.student import get_student, is_user_student
 from domain.logic.subject import get_subjects_of_student, get_subjects_of_teacher, is_user_authorized_for_subject
 from domain.logic.teacher import get_teacher, is_user_teacher
@@ -62,7 +62,7 @@ def ensure_user_authorized_for_project(
         raise NoAccessToSubjectError
 
 
-def get_authenticated_student_for_subject(
+def ensure_student_authorized_for_subject(
     subject_id: int,
     session: Session = Depends(get_session),
     student: StudentDataclass = Depends(get_authenticated_student),
@@ -73,7 +73,7 @@ def get_authenticated_student_for_subject(
     return student
 
 
-def get_authenticated_teacher_for_subject(
+def ensure_teacher_authorized_for_subject(
     subject_id: int,
     session: Session = Depends(get_session),
     teacher: TeacherDataclass = Depends(get_authenticated_teacher),
@@ -82,3 +82,14 @@ def get_authenticated_teacher_for_subject(
     if subject_id not in [subject.id for subject in subjects_of_teacher]:
         raise NoAccessToSubjectError
     return teacher
+
+
+def ensure_teacher_authorized_for_project(
+    project_id: int,
+    session: Session = Depends(get_session),
+    teacher: TeacherDataclass = Depends(get_authenticated_teacher),
+) -> TeacherDataclass:
+    projects_of_teacher = get_projects_of_teacher(session, teacher.id)
+    if project_id not in [project.id for project in projects_of_teacher]:
+        raise NoAccessToSubjectError
+    return teacher

backend/routes/project.py

@@ -2,11 +2,14 @@
 from sqlalchemy.orm import Session
 
 from db.sessions import get_session
-from domain.logic.group import get_groups_of_project
+from domain.logic.group import create_group, get_groups_of_project
 from domain.logic.project import get_project
 from domain.models.GroupDataclass import GroupDataclass
 from domain.models.ProjectDataclass import ProjectDataclass
-from routes.dependencies.role_dependencies import ensure_user_authorized_for_project
+from routes.dependencies.role_dependencies import (
+    ensure_teacher_authorized_for_project,
+    ensure_user_authorized_for_project,
+)
 
 project_router = APIRouter()
 
@@ -26,3 +29,11 @@ def project_get_groups(
     session: Session = Depends(get_session),
 ) -> list[GroupDataclass]:
     return get_groups_of_project(session, project_id)
+
+
+@project_router.post("/projects/{project_id}/groups", dependencies=[Depends(ensure_teacher_authorized_for_project)])
+def project_create_group(
+    project_id: int,
+    session: Session = Depends(get_session),
+) -> GroupDataclass:
+    return create_group(session, project_id)

backend/routes/subject.py

@@ -7,8 +7,8 @@
 from domain.models.ProjectDataclass import ProjectDataclass, ProjectInput
 from domain.models.SubjectDataclass import SubjectDataclass
 from routes.dependencies.role_dependencies import (
+    ensure_teacher_authorized_for_subject,
     ensure_user_authorized_for_subject,
-    get_authenticated_teacher_for_subject,
     get_authenticated_user,
 )
 
@@ -25,7 +25,7 @@ def get_subject_projects(subject_id: int, session: Session = Depends(get_session
     return get_projects_of_subject(session, subject_id)
 
 
-@subject_router.post("/subjects/{subject_id}/projects", dependencies=[Depends(get_authenticated_teacher_for_subject)])
+@subject_router.post("/subjects/{subject_id}/projects", dependencies=[Depends(ensure_teacher_authorized_for_subject)])
 def new_project(
     subject_id: int,
     project: ProjectInput,