144 lines
3.8 KiB
Python
144 lines
3.8 KiB
Python
from flask_login import login_required, login_user, logout_user
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from app.bp import bp
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from flask import jsonify, request
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from app.errors import error_response
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from flask_login import current_user
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from app import login, db
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from app.models import Course, User
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@login.user_loader
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def load_user(user_id):
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return User.query.get(user_id)
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def check_data(data, required_fields):
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for f in required_fields:
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if f not in data:
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return f
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return None
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@bp.route("/login", methods=["POST"])
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def login_route():
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data = request.get_json()
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if current_user.is_authenticated:
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return error_response(400, "A user is already logged in!")
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if not data.get("username") or not data.get("password"):
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return error_response(400, "Must supply username and password")
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user = User.query.filter_by(username=data["username"]).first()
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if not user:
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return error_response(400, "User not found")
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if not user.check_password(data.get("password")):
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return error_response(400, "Invalid password")
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login_user(user)
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resp = jsonify(user.to_dict())
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return resp
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@bp.route("/logout", methods=["POST"])
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@login_required
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def logout_route():
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resp = jsonify(current_user.to_dict())
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logout_user()
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return resp
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@bp.route("/register", methods=["POST"])
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def register():
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data = request.get_json()
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required_fields = ["role", "username", "email", "password", "password2"]
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if f := check_data(data, required_fields):
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return error_response(400, f"Must supply {f}")
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if User.query.filter_by(username=data["username"]).first():
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return error_response(409, "User with that username already exists")
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if User.query.filter_by(email=data["email"]).first():
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return error_response(409, "User with that email already exists")
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u = User()
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u.from_dict(data, new_user=True)
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db.session.add(u)
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db.session.commit()
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resp = jsonify(u.to_dict())
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return resp
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@bp.route("/course", methods=["POST"])
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@login_required
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def create_course():
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data = request.get_json()
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required_fields = ["name", "description", "instructor"]
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if f := check_data(data, required_fields):
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return error_response(400, f"Must supply {f}")
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u = User.query.get(data["instructor"])
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if not u:
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return error_response(400, f"User with id {data['instructor']} does not exist")
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if u.role != "instructor":
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return error_response(400, "User is not instructor")
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c = Course()
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c.from_dict(data)
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db.session.add(c)
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db.session.commit()
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return jsonify(c.to_dict())
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@bp.route("/user/<int:id>/courses", methods=["GET"])
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@login_required
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def get_courses(id):
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u = User.query.get(id)
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d = {"courses": []}
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for c in u.enrolled_courses.all():
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d["courses"].append(c.to_dict())
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resp = jsonify(d)
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return resp
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@bp.route("/user/<int:uid>/enroll/<int:cid>", methods=["POST"])
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@login_required
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def enroll_student(uid, cid):
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u = User.query.get(uid)
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if not u:
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return error_response(400, f"User with id {uid} does not exist")
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c = Course.query.get(cid)
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if not c:
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return error_response(400, f"Course with id {cid} does not exist")
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if not u.enroll(c):
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return error_response(400, f"User {uid} is already enrolled in course {cid}")
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resp = {"user": u.to_dict(), "course": c.to_dict()}
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return jsonify(resp)
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@bp.route("/user/<int:uid>/enroll/<int:cid>", methods=["DELETE"])
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@login_required
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def unenroll_student(uid, cid):
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u = User.query.get(uid)
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if not u:
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return error_response(400, f"User with id {uid} does not exist")
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c = Course.query.get(cid)
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if not c:
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return error_response(400, f"Course with id {cid} does not exist")
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if not u.unenroll(c):
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return error_response(400, f"User {uid} is not enrolled in course {cid}")
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resp = {"user": u.to_dict(), "course": c.to_dict()}
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return jsonify(resp)
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