106 lines
3.6 KiB
Python
106 lines
3.6 KiB
Python
import os
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from tinydb import TinyDB, Query, where
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class CourseList:
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def __init__(self, db_file='db/data/course/course_list.json'):
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"""初始化课程列表，自动打开并加载 JSON 数据文件。"""
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self.db_file = db_file
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self.db = TinyDB(self.db_file)
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self.course_query = Query()
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def add_course(self, course_data):
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"""添加新的课程到课程列表。"""
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if not self.db.search(self.course_query.course_id == course_data['course_id']):
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self.db.insert(course_data)
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else:
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print(f"Course with ID {course_data['course_id']} already exists.")
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def get_course(self, course_id):
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"""获取指定 course_id 的课程信息。"""
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result = self.db.search(self.course_query.course_id == course_id)
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return result[0] if result else None
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def update_course(self, course_id, updated_data):
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"""更新指定 course_id 的课程信息。"""
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self.db.update(updated_data, self.course_query.course_id == course_id)
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def delete_course(self, course_id):
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"""删除指定 course_id 的课程。"""
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self.db.remove(self.course_query.course_id == course_id)
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def add_lesson_to_course(self, course_id, lesson_data):
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"""为指定课程添加课时。"""
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course = self.get_course(course_id)
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if course:
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if 'lessons' not in course:
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course['lessons'] = []
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course['lessons'].append(lesson_data)
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self.update_course(course_id, {'lessons': course['lessons']})
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else:
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print(f"Course with ID {course_id} not found.")
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def get_lessons_of_course(self, course_id):
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"""获取指定课程的所有课时信息。"""
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course = self.get_course(course_id)
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return course['lessons'] if course else None
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def get_all_courses(self):
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"""获取所有课程。"""
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return self.db.all()
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# # 课程数据结构示例
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# course_data = {
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# 'course_id': 'CS101',
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# 'course_name': 'Computer Science 101',
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# 'course_img_path': 'images/cs101.png',
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# 'lessons': [
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# {
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# 'lesson_id': 'L001',
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# 'lesson_name': 'Introduction to Computer Science',
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# 'markdown': 'This is the introduction lesson.',
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# 'markdown_prompt': 'What is Computer Science?',
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# 'score_prompt': 'Please provide an overview of CS.'
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# },
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# {
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# 'lesson_id': 'L002',
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# 'lesson_name': 'Data Structures',
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# 'markdown': 'In this lesson, we cover Data Structures.',
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# 'markdown_prompt': 'What is an array?',
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# 'score_prompt': 'Explain how linked lists work.'
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# }
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# ]
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# }
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# lesson_data = {
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# 'lesson_id': 'L003',
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# 'lesson_name': 'Algorithms',
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# 'markdown': 'In this lesson, we will discuss algorithms.',
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# 'markdown_prompt': 'What is a sorting algorithm?',
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# 'score_prompt': 'Explain the difference between merge sort and quicksort.'
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# }
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# # 创建 CourseList 实例
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# course_list = CourseList()
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# # 添加课程
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# course_list.add_course(course_data)
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# # 添加课时到现有课程
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# course_list.add_lesson_to_course('CS101', lesson_data)
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# # 获取并显示所有课程
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# courses = course_list.get_all_courses()
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# print(courses)
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# # 获取某个课程的课时
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# lessons = course_list.get_lessons_of_course('CS101')
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# print(lessons)
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# # 更新课程信息
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# updated_data = {'course_name': 'Computer Science 101 - Updated'}
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# course_list.update_course('CS101', updated_data)
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# # 删除课程
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# course_list.delete_course('CS101')
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