code

Signed-off-by: wkyas <14069237+wkyas@user.noreply.gitee.com>

app/__init__.py

+from flask import Flask
+from flask_sqlalchemy import SQLAlchemy
+
+# 定义模块级别的 db 对象
+db = SQLAlchemy()
+
+# 定义模块级别的 app 对象
+app = None
+
+def create_app():
+    global app  # 使用 global 关键字将 app 定义为全局变量
+    app = Flask(__name__)
+    # app.config.from_object('config.Config')
+    app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///assessments.db'
+    db.init_app(app)
+    
+    with app.app_context():
+        from . import routes  # 导入路由
+        db.create_all()  # 创建数据库表
+        
+    return app
\ No newline at end of file

app/models.py

+from . import db
+from datetime import datetime
+
+class Question(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    text = db.Column(db.String(500), nullable=False)
+    type = db.Column(db.String(50), nullable=False)  # e.g., 'multiple_choice', 'true_false'
+    correct_answer = db.Column(db.String(500), nullable=False)
+    assessment_id = db.Column(db.Integer, db.ForeignKey('assessment.id'), nullable=False)
+
+class Assessment(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    title = db.Column(db.String(200), nullable=False)
+    type = db.Column(db.String(50), nullable=False)  # 'formative' or 'summative'
+    deadline = db.Column(db.DateTime, nullable=True)
+    questions = db.relationship('Question', backref='assessment', lazy=True)
+
+class StudentResponse(db.Model):
+    id = db.Column(db.Integer, primary_key=True)
+    student_id = db.Column(db.Integer, nullable=False)
+    question_id = db.Column(db.Integer, db.ForeignKey('question.id'), nullable=False)
+    response = db.Column(db.String(500), nullable=False)
+    is_correct = db.Column(db.Boolean, nullable=False)
+    timestamp = db.Column(db.DateTime, default=datetime.utcnow)
\ No newline at end of file

app/routes.py

+from flask import request, jsonify, render_template
+from . import app, db
+from .models import Assessment, Question, StudentResponse
+from datetime import datetime
+from sqlalchemy import func
+
+# 定义路由
+@app.route('/')
+def index():
+    return render_template('index.html')
+
+@app.route('/create_assessment', methods=['GET', 'POST'])
+def create_assessment():
+    if request.method == 'POST':
+        data = request.json
+        new_assessment = Assessment(
+            title=data['title'],
+            type=data['type'],
+            deadline=datetime.strptime(data['deadline'], '%Y-%m-%d %H:%M:%S') if data.get('deadline') else None
+        )
+        db.session.add(new_assessment)
+        db.session.commit()
+        return jsonify({"message": "Assessment created", "id": new_assessment.id}), 201
+    else:
+        return render_template('create_assessment.html')
+
+@app.route('/add_question', methods=['POST'])
+def add_question():
+    data = request.json
+    new_question = Question(
+        text=data['text'],
+        type=data['type'],
+        correct_answer=data['correct_answer'],
+        assessment_id=data['assessment_id']
+    )
+    db.session.add(new_question)
+    db.session.commit()
+    return jsonify({"message": "Question added", "id": new_question.id}), 201
+
+# 显示评估选择页面
+@app.route('/take_assessment', methods=['GET'])
+def take_assessment():
+    return render_template('take_assessment.html')
+
+#显示形成性评估页面
+@app.route('/take_assessment/formative_test', methods=['GET'])
+def formative_test():
+    # 查询所有形成性评估
+    assessment = Assessment.query.filter_by(type='formative').first()
+    if assessment:
+        questions = Question.query.filter_by(assessment_id=assessment.id).all()
+        return render_template('formative_test.html', assessment=assessment, questions=questions)
+    else:
+        return "No formative assessment available.", 404
+
+# 显示总结性评估页面
+@app.route('/take_assessment/summative_test', methods=['GET'])
+def summative_test():
+    # 查询所有总结性评估
+    assessment = Assessment.query.filter_by(type='summative').first()
+    if assessment:
+        questions = Question.query.filter_by(assessment_id=assessment.id).all()
+        return render_template('summative_test.html', assessment=assessment, questions=questions)
+    else:
+        return "No summative assessment available.", 404
+
+# @app.route('/take_assessment/<int:assessment_id>', methods=['GET'])
+# def take_assessment(assessment_id):
+#     assessment = Assessment.query.get_or_404(assessment_id)
+#     questions = Question.query.filter_by(assessment_id=assessment_id).all()
+#     return render_template('take_assessment.html', assessment=assessment, questions=questions)
+
+# 管理问题页面
+@app.route('/manage_questions', methods=['GET'])
+def manage_questions():
+    return render_template('manage_questions.html')
+
+@app.route('/submit_response', methods=['POST'])
+def submit_response():
+    data = request.json
+    question = Question.query.get_or_404(data['question_id'])
+    is_correct = data['response'] == question.correct_answer
+    new_response = StudentResponse(
+        student_id=data['student_id'],
+        question_id=data['question_id'],
+        response=data['response'],
+        is_correct=is_correct
+    )
+    db.session.add(new_response)
+    db.session.commit()
+    return jsonify({"message": "Response submitted", "is_correct": is_correct}), 201
+
+@app.route('/get_results/<int:assessment_id>', methods=['GET'])
+def get_results(assessment_id):
+    assessment = Assessment.query.get_or_404(assessment_id)
+    responses = StudentResponse.query.join(Question).filter(Question.assessment_id == assessment_id).all()
+    results = [{"student_id": r.student_id, "question_id": r.question_id, "response": r.response, "is_correct": r.is_correct} for r in responses]
+    
+    # 计算统计信息
+    total_students = db.session.query(StudentResponse.student_id).distinct().count()
+    average_score = db.session.query(func.avg(StudentResponse.is_correct)).filter(Question.assessment_id == assessment_id).scalar()
+    most_incorrect_question = db.session.query(Question.text, func.count(StudentResponse.id)).join(StudentResponse).filter(StudentResponse.is_correct == False).group_by(Question.text).order_by(func.count(StudentResponse.id).desc()).first()
+    
+    statistics = {
+        "total_students": total_students,
+        "average_score": average_score,
+        "most_incorrect_question": most_incorrect_question[0] if most_incorrect_question else None
+    }
+    
+    return jsonify({"results": results, "statistics": statistics}), 200
\ No newline at end of file

app/templates/create_assessment.html

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Create Assessment</title>
+</head>
+<body>
+    <h1>Create Assessment</h1>
+    <form id="createAssessmentForm">
+        <label for="title">Title:</label>
+        <input type="text" id="title" name="title" required>
+        <br>
+        <label for="type">Type:</label>
+        <select id="type" name="type" required>
+            <option value="formative">Formative</option>
+            <option value="summative">Summative</option>
+        </select>
+        <br>
+        <label for="deadline">Deadline (for summative):</label>
+        <input type="datetime-local" id="deadline" name="deadline">
+        <br>
+        <button type="submit">Create Assessment</button>
+    </form>
+
+    <script>
+        document.getElementById('createAssessmentForm').onsubmit = async function(e) {
+            e.preventDefault();
+            const formData = {
+                title: document.getElementById('title').value,
+                type: document.getElementById('type').value,
+                deadline: document.getElementById('deadline').value
+            };
+            const response = await fetch('/create_assessment', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json'
+                },
+                body: JSON.stringify(formData)
+            });
+            const result = await response.json();
+            alert(result.message);
+        };
+    </script>
+</body>
+</html>
\ No newline at end of file

app/templates/formative_test.html

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Formative Test</title>
+</head>
+<body>
+    <h1>Formative Test: {{ assessment.title }}</h1>
+    <div id="questions">
+        {% if questions %}
+            {% for question in questions %}
+            <div>
+                <p><strong>Question {{ loop.index }}:</strong> {{ question.text }}</p>
+                <input type="text" id="response_{{ question.id }}" placeholder="Your answer">
+            </div>
+            {% endfor %}
+        {% else %}
+            <p>No questions available for this assessment.</p>
+        {% endif %}
+    </div>
+    <button onclick="submitResponses()">Submit</button>
+
+    <script>
+        async function submitResponses() {
+            const assessmentId = {{ assessment.id | tojson | safe }};
+            const studentId = 1; // 假设学生 ID 为 1
+            const questions = document.querySelectorAll('[id^="response_"]');
+            for (const question of questions) {
+                const questionId = question.id.split('_')[1];
+                const response = question.value;
+                await fetch('/submit_response', {
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json'
+                    },
+                    body: JSON.stringify({
+                        student_id: studentId,
+                        question_id: questionId,
+                        response: response
+                    })
+                });
+            }
+            alert('Responses submitted!');
+        }
+    </script>
+</body>
+</html>
\ No newline at end of file

app/templates/index.html

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Automated Assessment Tool</title>
+</head>
+<body>
+    <h1>Automated Assessment Tool</h1>
+    <button onclick="location.href='/create_assessment'">Create Assessment</button>
+    <button onclick="location.href='/take_assessment'">Take Assessment</button>
+    <button onclick="location.href='/manage_questions'">Manage Questions</button>
+</body>
+</html>
\ No newline at end of file

app/templates/manage_questions.html

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Manage Questions</title>
+</head>
+<body>
+    <h1>Manage Questions</h1>
+    <form id="addQuestionForm">
+        <label for="question_text">Question Text:</label>
+        <input type="text" id="question_text" name="question_text" required>
+        <br>
+        <label for="question_type">Question Type:</label>
+        <select id="question_type" name="question_type" required>
+            <option value="multiple_choice">Multiple Choice</option>
+            <option value="true_false">True/False</option>
+        </select>
+        <br>
+        <label for="correct_answer">Correct Answer:</label>
+        <input type="text" id="correct_answer" name="correct_answer" required>
+        <br>
+        <button type="submit">Add Question</button>
+    </form>
+
+    <script>
+        document.getElementById('addQuestionForm').onsubmit = async function(e) {
+            e.preventDefault();
+            const formData = {
+                text: document.getElementById('question_text').value,
+                type: document.getElementById('question_type').value,
+                correct_answer: document.getElementById('correct_answer').value,
+                assessment_id: 1 // 假设评估 ID 为 1
+            };
+            const response = await fetch('/add_question', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json'
+                },
+                body: JSON.stringify(formData)
+            });
+            const result = await response.json();
+            alert(result.message);
+        };
+    </script>
+</body>
+</html>
\ No newline at end of file

app/templates/summaritive_test.html

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Summative Test</title>
+</head>
+<body>
+    <h1>Summative Test: {{ assessment.title }}</h1>
+    <div id="questions">
+        {% if questions %}
+            {% for question in questions %}
+            <div>
+                <p><strong>Question {{ loop.index }}:</strong> {{ question.text }}</p>
+                <input type="text" id="response_{{ question.id }}" placeholder="Your answer">
+            </div>
+            {% endfor %}
+        {% else %}
+            <p>No questions available for this assessment.</p>
+        {% endif %}
+    </div>
+    <button onclick="submitResponses()">Submit</button>
+
+    <script>
+        async function submitResponses() {
+            const assessmentId = {{ assessment.id | tojson | safe }};
+            const studentId = 1; // 假设学生 ID 为 1
+            const questions = document.querySelectorAll('[id^="response_"]');
+            for (const question of questions) {
+                const questionId = question.id.split('_')[1];
+                const response = question.value;
+                await fetch('/submit_response', {
+                    method: 'POST',
+                    headers: {
+                        'Content-Type': 'application/json'
+                    },
+                    body: JSON.stringify({
+                        student_id: studentId,
+                        question_id: questionId,
+                        response: response
+                    })
+                });
+            }
+            alert('Responses submitted!');
+        }
+    </script>
+</body>
+</html>
\ No newline at end of file

app/templates/take_assessment.html

+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Take Assessment</title>
+</head>
+<body>
+    <h1>Take Assessment</h1>
+    <div>
+        <button onclick="window.location.href='/take_assessment/formative_test'">Formative Test</button>
+        <button onclick="window.location.href='/take_assessment/summative_test'">Summative Test</button>
+    </div>
+</body>
+</html>
\ No newline at end of file

config.py

+import os
+
+class Config:
+    SECRET_KEY = os.environ.get('SECRET_KEY') or 'you-will-never-guess'
+    SQLALCHEMY_DATABASE_URI = os.environ.get('DATABASE_URL') or 'sqlite:///assessments.db'
+    SQLALCHEMY_TRACK_MODIFICATIONS = False
\ No newline at end of file

init_db.py

+from app import create_app, app, db
+from app.models import Assessment, Question
+from datetime import datetime
+
+with app.app_context():
+    # 创建数据库表
+    db.create_all()
+
+    # 创建形成性评估
+    formative_assessment = Assessment(title="Formative Test", type="formative")
+    db.session.add(formative_assessment)
+    db.session.commit()
+
+    # 添加形成性评估的问题
+    formative_questions = [
+        {"text": "What is 2 + 2?", "type": "multiple_choice", "correct_answer": "4"},
+        {"text": "What is the capital of France?", "type": "multiple_choice", "correct_answer": "Paris"},
+        {"text": "Is the sky blue?", "type": "true_false", "correct_answer": "True"},
+        {"text": "What is 5 * 5?", "type": "multiple_choice", "correct_answer": "25"},
+        {"text": "Is water H2O?", "type": "true_false", "correct_answer": "True"}
+    ]
+    for q in formative_questions:
+        question = Question(text=q['text'], type=q['type'], correct_answer=q['correct_answer'], assessment_id=formative_assessment.id)
+        db.session.add(question)
+    db.session.commit()
+
+    # 创建总结性评估
+    summative_assessment = Assessment(title="Summative Test", type="summative", deadline=datetime(2023, 12, 31, 23, 59, 59))
+    db.session.add(summative_assessment)
+    db.session.commit()
+
+    # 添加总结性评估的问题
+    summative_questions = [
+        {"text": "What is 10 - 4?", "type": "multiple_choice", "correct_answer": "6"},
+        {"text": "What is the capital of Germany?", "type": "multiple_choice", "correct_answer": "Berlin"},
+        {"text": "Is the Earth flat?", "type": "true_false", "correct_answer": "False"},
+        {"text": "What is 8 / 2?", "type": "multiple_choice", "correct_answer": "4"},
+        {"text": "Is the sun a star?", "type": "true_false", "correct_answer": "True"}
+    ]
+    for q in summative_questions:
+        question = Question(text=q['text'], type=q['type'], correct_answer=q['correct_answer'], assessment_id=summative_assessment.id)
+        db.session.add(question)
+    db.session.commit()
+
+    print("Database initialized with test data.")
\ No newline at end of file

requirements.txt

+Flask==2.0.1
+Flask-SQLAlchemy==2.5.1
+werkzeug==2.0.3
+SQLAlchemy==1.4.41
\ No newline at end of file

run.py

+from app import create_app
+
+app = create_app()
+
+if __name__ == '__main__':
+    app.run(debug=True)
\ No newline at end of file