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66 lines
2.5 KiB
66 lines
2.5 KiB
from flask import Blueprint, request, jsonify
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from uuid import UUID
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from db.model import db, User, Course, Enrollment
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chat = Blueprint('chat', __name__)
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@chat.route('/course/<uuid:course_id>/users', methods=['POST'])
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def get_users_assigned_to_course(course_id: UUID):
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"""
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Fetch all users assigned to a specific course.
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:param course_id: ID of the course to fetch users for (UUID).
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:return: JSON response with users assigned to the course.
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"""
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try:
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# Query the course to ensure it exists
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course = Course.query.get(course_id)
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if not course:
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return jsonify({"error": "Course not found."}), 404
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# Get the list of users assigned to the course
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users = User.query.filter(User.enrollments.any(course_id=course_id)).all()
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# Prepare the response data
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user_data = [
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{
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"id": user.id,
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"email": user.email,
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"username": user.username,
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"firstName": user.firstName,
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"lastName": user.lastName,
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}
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for user in users
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]
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return jsonify({"course": course.name, "users": user_data}), 200
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except Exception as e:
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return jsonify({"error": f"An error occurred: {str(e)}"}), 500
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@chat.route('/course/<uuid:course_id>/chat', methods=['POST'])
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def join_chat(course_id: UUID):
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"""
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Allow users to join the chat only if they are enrolled in the course.
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:param course_id: ID of the course (UUID).
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:return: JSON response indicating whether the user can join or not.
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"""
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try:
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# Get the user from the request (assume user_id is passed in the request body)
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user_id = request.json.get('user_id')
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if not user_id:
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return jsonify({"error": "User ID is required."}), 400
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# Query the user and ensure they exist
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user = User.query.get(user_id)
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if not user:
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return jsonify({"error": "User not found."}), 404
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# Check if the user is enrolled in the course
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enrollment = Enrollment.query.filter_by(userID=user_id, courseID=course_id).first()
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if not enrollment:
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return jsonify({"error": "User is not enrolled in this course."}), 403
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# If enrolled, allow the user to join the chat
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return jsonify({"message": f"User {user.username} is enrolled in the course and can join the chat."}), 200
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except Exception as e:
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return jsonify({"error": f"An error occurred: {str(e)}"}), 500
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