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backend/project/endpoints/projects/groups/group_student.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,128 @@ | ||
| """Endpoint for joining and leaving groups in a project""" | ||
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| from os import getenv | ||
| from urllib.parse import urljoin | ||
| from dotenv import load_dotenv | ||
| from flask import request | ||
| from flask_restful import Resource | ||
| from sqlalchemy.exc import SQLAlchemyError | ||
|
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| from project.utils.query_agent import insert_into_model | ||
| from project.models.group import Group | ||
| from project.models.project import Project | ||
| from project.utils.authentication import authorize_student_submission | ||
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| from project import db | ||
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| load_dotenv() | ||
| API_URL = getenv("API_HOST") | ||
| RESPONSE_URL = urljoin(f"{API_URL}/", "groups") | ||
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| class GroupStudent(Resource): | ||
| """Api endpoint to allow students to join and leave project groups""" | ||
| @authorize_student_submission | ||
| def post(self, project_id, group_id, uid=None): | ||
| """ | ||
| This function will allow students to join project groups if not full | ||
| """ | ||
| try: | ||
| project = db.session.query(Project).filter_by( | ||
| project_id=project_id).first() | ||
| if project.groups_locked: | ||
| return { | ||
| "message": "Groups are locked for this project", | ||
| "url": RESPONSE_URL | ||
| }, 400 | ||
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| group = db.session.query(Group).filter_by( | ||
| project_id=project_id, group_id=group_id).first() | ||
| if group is None: | ||
| return { | ||
| "message": "Group does not exist", | ||
| "url": RESPONSE_URL | ||
| }, 404 | ||
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| joined_groups = db.session.query(GroupStudent).filter_by( | ||
| uid=uid, project_id=project_id).all() | ||
| if len(joined_groups) > 0: | ||
| return { | ||
| "message": "Student is already in a group", | ||
| "url": RESPONSE_URL | ||
| }, 400 | ||
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| joined_students = db.session.query(GroupStudent).filter_by( | ||
| group_id=group_id, project_id=project_id).all() | ||
| if len(joined_students) >= group.group_size: | ||
| return { | ||
| "message": "Group is full", | ||
| "url": RESPONSE_URL | ||
| }, 400 | ||
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| req = request.json | ||
| req["project_id"] = project_id | ||
| req["group_id"] = group_id | ||
| req["uid"] = uid | ||
| return insert_into_model( | ||
| GroupStudent, | ||
| req, | ||
| RESPONSE_URL, | ||
| "group_id", | ||
| required_fields=["project_id", "group_id", "uid"] | ||
| ) | ||
| except SQLAlchemyError: | ||
| data = { | ||
| "url": urljoin(f"{API_URL}/", "projects") | ||
| } | ||
| data["message"] = "An error occurred while fetching the projects" | ||
| return data, 500 | ||
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| @authorize_student_submission | ||
| def delete(self, project_id, group_id, uid=None): | ||
| """ | ||
| This function will allow students to leave project groups | ||
| """ | ||
| data = { | ||
| "url": urljoin(f"{API_URL}/", "projects") | ||
| } | ||
| try: | ||
| project = db.session.query(Project).filter_by( | ||
| project_id=project_id).first() | ||
| if project.groups_locked: | ||
| return { | ||
| "message": "Groups are locked for this project", | ||
| "url": RESPONSE_URL | ||
| }, 400 | ||
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| group = db.session.query(Group).filter_by( | ||
| project_id=project_id, group_id=group_id).first() | ||
| if group is None: | ||
| return { | ||
| "message": "Group does not exist", | ||
| "url": RESPONSE_URL | ||
| }, 404 | ||
|
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| if uid is None: | ||
| return { | ||
| "message": "Failed to verify uid of user", | ||
| "url": RESPONSE_URL | ||
| }, 400 | ||
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| student_group = db.session.query(GroupStudent).filter_by( | ||
| group_id=group_id, project_id=project_id, uid=uid).first() | ||
| if student_group is None: | ||
| return { | ||
| "message": "Student is not in the group", | ||
| "url": RESPONSE_URL | ||
| }, 404 | ||
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| db.session.delete(student_group) | ||
| db.session.commit() | ||
| data["message"] = "Student has succesfully left the group" | ||
| return data, 200 | ||
|
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||
| except SQLAlchemyError: | ||
| data["message"] = "An error occurred while fetching the projects" | ||
| return data, 500 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,127 @@ | ||
| """Endpoint for creating/deleting groups in a project""" | ||
| from os import getenv | ||
| from urllib.parse import urljoin | ||
| from dotenv import load_dotenv | ||
| from flask import request | ||
| from flask_restful import Resource | ||
| from sqlalchemy.exc import SQLAlchemyError | ||
|
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||
| from project.models.project import Project | ||
| from project.models.group import Group | ||
| from project.utils.query_agent import query_selected_from_model, insert_into_model | ||
| from project.utils.authentication import ( | ||
| authorize_teacher_or_student_of_project, | ||
| authorize_teacher_of_project | ||
| ) | ||
| from project import db | ||
|
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| load_dotenv() | ||
| API_URL = getenv("API_HOST") | ||
| RESPONSE_URL = urljoin(f"{API_URL}/", "groups") | ||
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|
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| class Groups(Resource): | ||
| """Api endpoint for the /project/project_id/groups link""" | ||
|
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| @authorize_teacher_of_project | ||
| def patch(self, project_id): | ||
| """ | ||
| This function will set locked state of project groups, | ||
| need to pass locked field in the body | ||
| """ | ||
| req = request.json | ||
| locked = req.get("locked") | ||
| if locked is None: | ||
| return { | ||
| "message": "Bad request: locked field is required", | ||
| "url": RESPONSE_URL | ||
| }, 400 | ||
|
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| try: | ||
| project = db.session.query(Project).filter_by( | ||
| project_id=project_id).first() | ||
| if project is None: | ||
| return { | ||
| "message": "Project does not exist", | ||
| "url": RESPONSE_URL | ||
| }, 404 | ||
| project.groups_locked = locked | ||
| db.session.commit() | ||
|
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||
| return { | ||
| "message": "Groups are locked", | ||
| "url": RESPONSE_URL | ||
| }, 200 | ||
| except SQLAlchemyError: | ||
| return { | ||
| "message": "Database error", | ||
| "url": RESPONSE_URL | ||
| }, 500 | ||
|
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| @authorize_teacher_or_student_of_project | ||
| def get(self, project_id): | ||
| """ | ||
| Get function for /project/project_id/groups this will be the main endpoint | ||
| to get all groups for a project | ||
| """ | ||
| return query_selected_from_model( | ||
| Group, | ||
| RESPONSE_URL, | ||
| url_mapper={"group_id": RESPONSE_URL}, | ||
| filters={"project_id": project_id} | ||
| ) | ||
|
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| @authorize_teacher_of_project | ||
| def post(self, project_id): | ||
| """ | ||
| This function will create a new group for a project | ||
| if the body of the post contains a group_size and project_id exists | ||
| """ | ||
|
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| req = request.json | ||
| req["project_id"] = project_id | ||
| return insert_into_model( | ||
| Group, | ||
| req, | ||
| RESPONSE_URL, | ||
| "group_id", | ||
| required_fields=["project_id", "group_size"] | ||
| ) | ||
|
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| @authorize_teacher_of_project | ||
| def delete(self, project_id): | ||
| """ | ||
| This function will delete a group | ||
| if group_id is provided and request is from teacher | ||
| """ | ||
|
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| req = request.json | ||
| group_id = req.get("group_id") | ||
| if group_id is None: | ||
| return { | ||
| "message": "Bad request: group_id is required", | ||
| "url": RESPONSE_URL | ||
| }, 400 | ||
|
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| try: | ||
| project = db.session.query(Project).filter_by( | ||
| project_id=project_id).first() | ||
| if project is None: | ||
| return { | ||
| "message": "Project associated with group does not exist", | ||
| "url": RESPONSE_URL | ||
| }, 404 | ||
|
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| group = db.session.query(Group).filter_by( | ||
| project_id=project_id, group_id=group_id).first() | ||
| db.session.delete(group) | ||
| db.session.commit() | ||
| return { | ||
| "message": "Group deleted", | ||
| "url": RESPONSE_URL | ||
| }, 204 | ||
| except SQLAlchemyError: | ||
| return { | ||
| "message": "Database error", | ||
| "url": RESPONSE_URL | ||
| }, 500 |
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