def update(id):
post = get_post(id)
if request.method == 'POST':
title = request.form['title']
body = request.form['body']
error = None
if not title:
error = 'Title is required.'
if error is not None:
flash(error)
else:
db = get_db()
result = db.post.update_one({"_id": ObjectId(id)}, {
'$set': {
'title': title,
'body': body,
'updated': datetime.now()
}
})
return redirect(url_for('blog.index'))
return render_template('blog/update.html', post=post)
def load_logged_in_user():
user_id = session.get('user_id')
if user_id is None:
g.user = None
else:
g.user = get_db().user.find_one({'_id': ObjectId(user_id)})
def get_post(id, check_author=True):
# 修正対象のpost_idのauthor_idがログインユーザと同じであるかチェック
# postを検索
db = get_db()
got_post = db.post.find_one({"_id": ObjectId(id)})
post = {
'id': str(got_post["_id"]),
'title': got_post["title"],
'body': got_post["body"],
'author_id': got_post["author_id"]
}
if post is None:
abort(404, "Post id {0} doesn't exist".format(id))
if str(post['author_id']) != str(g.user['_id']):
abort(403)
return post
def login():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
user = db.user.find_one({'username': username})
if user is None:
error = 'Incorrect username.'
elif not check_password_hash(user['password'], password):
error = 'Incorrect password.'
if error is None:
session.clear()
session['user_id'] = str(user['_id'])
return redirect(url_for('index'))
flash(error)
return render_template('auth/login.html')
def index():
db = get_db()
posts = db.post.aggregate([{
"$lookup": {
"from": "user",
"localField": "author_id",
"foreignField": "_id",
"as": "userInfos"
}
}, {
"$unwind": "$userInfos"
}, {
"$sort": {
"updated": -1
}
}, {
"$project": {
"id": "$_id",
"title": "$title",
"body": "$body",
"updated": "$updated",
"author_id": "$author_id",
"username": "******",
}
}])
results = []
for post in posts:
results.append({
"id": str(post["id"]),
"title": post["title"],
"body": post["body"],
"author_id": post["author_id"],
"username": post["username"],
"updated": post["updated"]
})
return render_template('blog/index.html', posts=results)
def create():
if request.method == 'POST':
title = request.form['title']
body = request.form['body']
error = None
if not title:
error = 'Title is required.'
if error is not None:
flash(error)
else:
db = get_db()
post_id = db.post.insert({
'title': title,
'body': body,
'author_id': g.user['_id'],
'updated': datetime.now()
})
return redirect(url_for('blog.index'))
return render_template('blog/create.html')
def register():
if request.method == 'POST':
username = request.form['username']
password = request.form['password']
db = get_db()
error = None
if not username:
error = 'Username is required.'
elif not password:
error = 'Password is required.'
else:
user = db.user.find_one({'username': username})
if user:
error = 'User {} is already registered.'.format(user['username'])
if error is None:
user_id = db.user.insert({'username': username, 'password': generate_password_hash(password)})
return redirect(url_for('auth.login'))
flash(error)
return render_template('auth/register.html')
def delete(id):
get_post(id)
db = get_db()
result = db.post.delete_one({'_id': ObjectId(id)})
return redirect(url_for('blog.index'))
