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77 lines
2.1 KiB
77 lines
2.1 KiB
# -*- coding: utf-8 -*-
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from flask import Flask, request, jsonify, abort
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from functools import lru_cache
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from cppy.cp_util import *
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from functools import cache
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app = Flask(__name__)
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# 模拟数据库
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books_db = []
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# 用于缓存用户数据库的装饰器
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@lru_cache(maxsize=None)
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def get_books_db():
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return books_db
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#查询所有资源
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@app.route('/books', methods=['GET'])
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def get_books():
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return jsonify(get_books_db())
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#查询某个资源
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@app.route('/books/<int:book_id>', methods=['GET'])
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def get_book(book_id):
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book = next((book for book in get_books_db() if book['id'] == book_id), None)
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if book is None:
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abort(404)
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return jsonify(book['content'])
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# 创建或更新新资源
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@app.route('/books/<int:book_id>', methods=['PUT'])
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def update_book(book_id):
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global books_db
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book_to_update = request.json
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print(book_to_update)
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books_db = get_books_db()
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book = next((book for book in books_db if book['id'] == book_id), None)
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if book is None:
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# 如果资源不存在，创建新资源
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books_db.append(book_to_update)
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else:
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# 如果资源存在，更新资源
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book.update(book_to_update)
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# 清除缓存的数据库
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cache.delete(get_books_db)
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return jsonify(books_db), 200
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#操作一个资源
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@app.route('/books/<int:book_id>/word_frequency', methods=['GET'])
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def word_frequency(book_id):
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global books_db
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book = next((book for book in get_books_db() if book['id'] == book_id), None)
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filepath = book['content']
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word_list = extract_file_words(filepath)
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word_frequency = get_frequencies(word_list)
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word_frequency = sort_dict(word_frequency)
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print_word_freqs(word_frequency)
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return jsonify(word_frequency), 200
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@app.route('/books/<int:book_id>', methods=['DELETE'])
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def delete_book(book_id):
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global books_db
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books_db = [book for book in books_db if book['id'] != book_id]
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if len(books_db) == len([l for l in books_db if l['id'] == book_id]):
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abort(404) # 用户不存在
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return jsonify({'message': f'book {book_id} deleted'}), 200
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if __name__ == '__main__':
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app.run(debug=True)
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