initial commit

.gitignore

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+# 一些别的东西
+.idea
+*.sqlite
+
+# 加上vue文件家中的东西，也需要忽略，不过这里需要我们自己把它放过来
+
+.DS_Store
+# 这个需要添加frontend
+frontend/node_modules/
+front/dist/
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# Editor directories and files
+.idea
+.vscode
+*.suo
+*.ntvs*
+*.njsproj
+*.sln
+
+# 我的helloworld.py的学习文件，不用上传，反正应该也没人把文件名弄成helloworld.py吧
+helloworld.py
+
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+.hypothesis/
+.pytest_cache/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+.static_storage/
+.media/
+local_settings.py
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# pyenv
+.python-version
+
+# celery beat schedule file
+celerybeat-schedule
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/

backend/app/__init__.py

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+#!/usr/bin/env python
+# Created by BBruceyuan on 18-7-5.
+
+
+from flask import Flask
+from config import config
+
+from flask_sqlalchemy import SQLAlchemy
+from flask_cors import CORS
+
+
+db = SQLAlchemy()
+
+
+def create_app(config_name):
+    """
+    based on config_name 创建不同的app
+    :param config_name: 
+    :return: 
+    """
+    app = Flask(__name__)
+    # 如果是开发环境，要求跨域
+    if config_name == 'develop':
+        CORS(app)  # or cors = CORS(app)
+    app.config.from_object(config[config_name])
+
+    # init backend config by a static method
+    config[config_name].init_app(app)
+    db.init_app(app)
+    return app

backend/app/api/__init__.py

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+#!/usr/bin/env python
+# Created by BBruceyuan on 18-7-11.
+
+
+from flask import Blueprint
+
+api = Blueprint('api', __name__)
+
+

backend/app/api/authentication.py

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+#!/usr/bin/env python
+# Created by BBruceyuan on 18-7-11.
+
+
+from flask import g, jsonify
+from flask_httpauth import HTTPBasicAuth
+from ..model import User
+from . import api
+from .errors import unauthorized
+
+
+auth = HTTPBasicAuth()
+
+
+@auth.verify_password
+def verify_password(username_or_token, password):
+    """
+    这获取的是头部中auth中的值
+    :param username_or_token: 
+    :param password: 
+    :return: 
+    """
+    if username_or_token == '':
+        return False
+    if password == '':
+        # 使用token进行验证
+        # 这时候说明是一个token,　而不是username
+        # 看User的实现可以知道，我们返回的是一个user
+        g.current_user = User.verify_auth_token(username_or_token)
+        g.token_used = True
+        return g.current_user is not None
+    user = User.query.get(username=username_or_token)
+    if not user:
+        return False
+    g.current_user = user
+    g.token_used = False
+    return g.current_user.verify_password(password)
+
+
+@auth.error_handler
+def auth_error():
+    return unauthorized('Invalid credentials')
+
+
+# todo, 好好研究一下这个怎么放比较好
+# 这个before_request仅仅对api下的路由生效
+@api.before_request
+@auth.login_required
+def before_request():
+    """
+    这么做的作用就是让api下所有的路由都需要auth.login_required
+    :return:
+    """
+    pass
+
+
+@api.route('/token')
+def get_token():
+    # 因为g.current_user.generate_auth.token是一个byte值，所以需要decode
+    data = {
+        'token': g.current_user.generate_auth_token(expiration=3600).decode('utf-8'),
+        'expiration': 3600
+    }
+    return jsonify(data)

backend/app/api/errors.py

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+#!/usr/bin/env python
+# Created by BBruceyuan on 18-7-11.
+
+
+from flask import jsonify
+
+
+# todo, not used yet
+def bad_request(message):
+    response = jsonify({'error': 'bad request', 'message': message})
+    response.status_code = 400
+    return response
+
+
+def unauthorized(message):
+    response = jsonify({'error': 'unauthorized', 'message': message})
+    response.status_code = 401
+    return response
+
+
+# todo, not used yet
+def forbidden(message):
+    response = jsonify({'error': 'forbidden', 'message': message})
+    response.status_code = 403
+    return response

backend/app/api/post.py

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+#!/usr/bin/env python
+# Created by BBruceyuan on 18-7-12.
+
+from .. import db
+from . import api
+from ..model import Post
+from flask import current_app, request, url_for, jsonify
+
+
+@api.route('/posts/')
+def get_posts():
+    page = request.args.get('page', 1, type=int)
+    pagination = Post.query.paginate(page, per_page=current_app.config['FLASKY_POSTS_PER_PAGE'], error_out=False)
+    posts = pagination.items
+    prev = None
+    if pagination.has_prev:
+        prev = url_for('api.get_posts', page=page - 1)
+    next_ = None
+    if pagination.has_next:
+        next_ = url_for('api.get_posts', page=page + 1)
+    return jsonify(
+        {
+            'posts': [post.to_json() for post in posts],
+            'prev': prev,
+            'next': next_,
+            'count': pagination.total
+        })

backend/app/api/user.py

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+#!/usr/bin/env python
+# Created by BBruceyuan on 18-7-12.
+
+from flask import jsonify, request, url_for, current_app
+from ..model import User, Post
+from . import api
+from .. import db
+
+
+@api.route('/users/<uid>', methods=['GET', 'DELETE'])
+def get_user(uid):
+    uu = UserUtils(uid)
+    if request.method == 'GET':
+        return uu.get_user()
+    elif request.method == 'DELETE':
+        return uu.del_user()
+
+
+@api.route('/users/<uid>/posts/')
+def get_user_posts(uid):
+    user = User.query.get_or_404(uid)
+    page = request.args.get('page', 1, type=int)
+    # 时间递减
+    pagination = user.posts.order_by(
+        Post.timestamp.desc()
+    ).paginate(
+        page,
+        per_page=current_app.config['FLASK_POSTS_PER_PAGE'],
+        error_out=False)
+    posts = pagination.items
+    # 前面是否有请求过pagination, (previous)
+    prev = None
+    if pagination.has_prev:
+        prev = url_for('api.get_user_posts', id=uid, page=page - 1)
+    # 因为next是关键字，所以这里使用next_代替
+    next_ = None
+    if pagination.has_next:
+        next_ = url_for('api.get_user_posts', id=uid, page=page + 1)
+    return jsonify(
+        {
+            'posts': [post.to_json() for post in posts],
+            'prev': prev,
+            'next': next_,
+            'count': pagination.total
+        }
+    )
+
+
+# @api.route('/user/<int:id>/timeline/')
+
+
+class UserUtils:
+    """
+    CRUD HTTP 对应http操作
+    Create POST 　（这个是register
+    Read GET 
+    Update PUT 
+    Delete DELETE 
+    """
+    def __init__(self, user_id):
+        self.uid = user_id
+        self.user = User.query.get_or_404(self.uid)
+
+    def get_user(self):
+        return jsonify(self.user.to_json())
+
+    def del_user(self):
+        username = self.user.username
+        user = User.query.filter_by(username=username).first()
+        db.session.delete(user)
+        db.commit()
+        response = {"username": username, 'type': 'delete', 'error_code': 0}
+        return jsonify(response)

backend/app/model/__init__.py

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+#!/usr/bin/env python
+# Created by BBruceyuan on 18-7-5.
+
+from .user import User
+from .post import Post

backend/app/model/post.py

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+#!/usr/bin/env python
+# Created by BBruceyuan on 18-7-5.
+
+
+from .. import db
+import datetime
+
+
+class Post(db.Model):
+    """
+    post
+    """
+    __tablename__ = 'posts'
+
+    id = db.Column(db.String(64), primary_key=True)
+    body = db.Column(db.Text)
+    body_html = db.Column(db.Text)
+    timestamp = db.Column(db.DateTime, index=True, default=datetime.datetime.utcnow)
+    author_id = db.Column(db.Integer, db.ForeignKey('users.id'))
+    # 加上author,这样就可以根据文章找作者，也可以直接更具作者找文章
+    author = db.relationship('User', backref='posts', lazy='dynamic')
+    # todo, 这个暂时不加
+    # comments = db.relationship('Comment', backref='post', lazy='dynamic')