def handlePosts(user_id):
form = PostsForm()
if request.method == "POST":
if form.validate_on_submit():
caption = form.caption.data
photo = form.photo.data
filename = photo.filename
photo.save(os.path.join(app.config['UPLOAD_FOLDER'], filename))
post = Posts(user_id, filename, caption)
try:
db.session.add(post)
db.session.commit()
#Flash message for a successfully added post
response = "A new post was added successfully"
return jsonify(message=response), 201
except Exception as e:
print(e)
response = "An error as occurred"
return jsonify(error=response), 401
response = form_errors(form)
return jsonify(error=response)
if request.method == "GET":
if form.validate_on_submit():
try:
#Retrieve the user's posts
posts = db.session.query(Posts).filter_by(
user_id=user_id).all()
allPosts = []
for post in posts:
post_detail = {
"id": post.id,
"user_id": post.user_id,
"photo": post.photo,
"caption": post.caption
}
allPosts.append(post_detail)
return jsonify(posts=allPosts)
except Exception as e:
print(e)
response = "An error has occurred"
return jsonify(error=response), 401
response = form_errors(form)
return jsonify(error=response), 400
#Flash message for errors
response = "An error occurred trying to display posts"
return jsonify(error=response), 401
def index():
form = PostsForm()
if form.validate_on_submit():
if not current_user.is_authenticated:
flash('登录后才可发表')
return redirect(url_for('user.login'))
u = current_user._get_current_object()
p = Posts(content=form.content.data, user=u)
db.session.add(p)
flash('发表成功')
return redirect(url_for('main.index'))
# 读取所有发表博客的数据（不分页）
# posts= Posts.query.filter(Posts.rid==0).order_by(Posts.timestamp.desc()).all()
# 分页查询发表博客的数据
# 获取当前页码
page = request.args.get('page', 1, int)
pagination = Posts.query.filter(Posts.rid == 0).order_by(
Posts.timestamp.desc()).paginate(page=page,
per_page=10,
error_out=False)
posts = pagination.items
return render_template('main/index.html',
form=form,
posts=posts,
pagination=pagination)
def userPosts(user_id):
#Gets the current user to add/display posts to
user = db.session.query(Users).get(user_id)
form = PostsForm()
if request.method == "POST" and form.validate_on_submit() == True:
caption = form.caption.data
photo = assignPath(form.photo.data)
post = Posts(photo, caption, user_id)
db.session.add(post)
db.session.commit()
#Flash message to indicate a post was added successfully
success = "Successfully created a new post"
return jsonify(message=success), 201
elif request.method == "GET":
posts = []
for post in user.posts:
p = {
"id": post.id,
"user_id": post.user_id,
"photo": post.photo,
"description": post.caption,
"created_on": post.created_on
}
posts.append(p)
return jsonify(posts=posts)
#Flash message to indicate an error occurred
failure = "Failed to create/display posts"
return jsonify(error=failure)
def index():
form = PostsForm()
if form.validate_on_submit():
# 判断是否登录
if current_user.is_authenticated:
# 获取当前用户
u = current_user._get_current_object()
# 创建博客对象
p = Posts(content=form.content.data, user=u)
# 保存到数据库
db.session.add(p)
return redirect(url_for('main.index'))
else:
flash('用户尚未登录。请登录后发表')
return redirect(url_for('user.login'))
# 分页读取数据
# 获取get参数里的页码，默认为当前页
page = request.args.get('page', 1, type=int)
# 获取数据库中博客的数据，按时间排序(pagination是个对象)
pagination = Posts.query.filter_by(rid=0).order_by(Posts.timestamp.desc()).paginate(page, per_page=5,
error_out=False)
# 读取每页数据
posts = pagination.items
for post in posts:
post.count = post.users.count()
return render_template('main/index.html', form=form, pagination=pagination, posts=posts)
def index():
form = PostsForm()
if form.validate_on_submit():
if current_user.is_authenticated:
# 获取当前登录用户对象
user = current_user._get_current_object()
# 创建对象
p = Posts(content=form.content.data, user=user)
# 保存到数据库
db.session.add(p)
flash('发表成功')
return redirect(url_for('main.index'))
else:
flash('请登录后再发表')
return redirect(url_for('user.login'))
# 查询博客
# posts = Posts.query.filter(Posts.rid == 0).order_by(Posts.timestamp.desc())
# 分页查询
page = request.args.get('page', 1, int)
pagination = Posts.query.filter(Posts.rid == 0).order_by(
Posts.timestamp.desc()).paginate(page, per_page=3, error_out=False)
posts = pagination.items
return render_template('main/index.html',
form=form,
posts=posts,
pagination=pagination)
def index():
form = PostsForm()
if form.validate_on_submit():
if current_user.is_authenticated:
u = current_user._get_current_object()
p = Posts(content=form.content.data, user=u)
db.session.add(p)
flash("发表成功")
return redirect(url_for('main.index'))
else:
flash("登录后才可发表")
return redirect(url_for("user.login"))
# 读取博客
# posts = Posts.query.filter(Posts.rid==0).order_by(Posts.timestamp.desc()).all()
page = request.args.get("page", 1, type=int)
pagination = Posts.query.filter(Posts.rid == 0).order_by(
Posts.timestamp.desc()).paginate(page=page,
per_page=5,
error_out=False)
# 当前页码的数据
posts = pagination.items
return render_template('main/index.html',
form=form,
posts=posts,
pagination=pagination)
def index():
form = PostsForm()
if form.validate_on_submit():
# 判断是否登录
if current_user.is_authenticated:
u = current_user._get_current_object()
# 根据表单提交的数据常见对象
p = Posts(content=form.content.data, user=u)
# 然后写入数据库
db.session.add(p)
return redirect(url_for('main.index'))
else:
flash('登录后才能发表博客')
return redirect(url_for('user.login'))
# 从数据库中读取博客，并分配到模板中，然后在模板中渲染
# 安装发表时间，降序排列
# 只获取发表的帖子，过滤回复的帖子
#posts = Posts.query.filter_by(rid=0).order_by(Posts.timestamp.desc()).all()
# 分页处理
# 获取当前页码，没有认为是第一页
page = request.args.get('page', 1, type=int)
pagination = Posts.query.filter_by(rid=0).order_by(
Posts.timestamp.desc()).paginate(page, per_page=1, error_out=False)
posts = pagination.items
return render_template('main/index.html',
form=form,
posts=posts,
pagination=pagination)
def index():
form = PostsForm()
if form.validate_on_submit():
# 判断用户是否是登录状态
if current_user.is_authenticated:
user = current_user._get_current_object()
posts = Posts(content=form.content.data, user=user)
db.session.add(posts)
return redirect(url_for('main.index'))
else:
flash('登录后才能发表')
return redirect(url_for('user.login'))
# 分页读取数据，然后展示
# 从请求的参数中获取当前页码，没有page参数默认为第一页
page = request.args.get('page', 1, type=int)
# paginate参数介绍
# page：唯一的必须参数，表示当前的页码
# per_page：可选参数，表示每页显示的记录数，默认20条
# error_out：可选参数，页码超出范围时是否显示404错误，默认为True
pagination = Posts.query.filter_by(rid=0).order_by(
Posts.timestamp.desc()).paginate(page, per_page=5, error_out=False)
# 获取当前页的记录
posts = pagination.items
return render_template('main/index.html',
form=form,
posts=posts,
pagination=pagination)
def index():
form = PostsForm()
if form.validate_on_submit():
# 判断是否登录
if current_user.is_authenticated:
# 获取原始的用户对象
u = current_user._get_current_object()
# 创建对象
p = Posts(content=form.content.data, user=u)
# 保存到数据库
db.session.add(p)
flash('发表成功')
return redirect(url_for('main.index'))
else:
flash('登录之后才可以发表')
return redirect(url_for('user.login'))
# 读取博客
# posts = Posts.query.filter(Posts.id == 0)
# 分页查询
page = request.args.get('page', 1, int) # 将获取的页码参数转为int类型
pagination = Posts.query.filter(Posts.rid == 0).paginate(page,
per_page=10,
error_out=False)
posts = pagination.items
return render_template('main/index.html',
form=form,
pagination=pagination,
posts=posts)
def index():
# 发表
form = PostsForm()
if form.validate_on_submit():
# 用户想发表内容必须先登录 并且获取当前登录用户名
if current_user.is_authenticated:
# 获取该用户对象
u = current_user._get_current_object()
p = Posts(content=form.content.data, user=u)
db.session.add(p)
db.session.commit()
return redirect(url_for('main.index'))
else:
flash('请先登录')
return redirect(url_for('users.login'))
# posts = Posts.query.filter_by(rid=0).all() # 获取发表的内容
# 获取用户查看第几页
page = request.args.get('page', 1, type=int)
#
pagination = Posts.query.filter_by(rid=0).order_by(
Posts.timestamp.desc()).paginate(page, per_page=5, error_out=False)
posts = pagination.items # 当前对象的所有数据
return render_template('main/index.html',
form=form,
posts=posts,
pagination=pagination)
def userPosts(user_id):
form = PostsForm()
if request.method == "POST" and form.validate_on_submit() == True:
try:
caption = form.caption.data
photo = assignPath(form.photo.data)
post = Posts(photo, caption, user_id)
db.session.add(post)
db.session.commit()
#Flash message to indicate a post was added successfully
success = "Successfully created a new post"
return jsonify(message=success), 201
except Exception as e:
print(e)
error = "Internal server error"
return jsonify(error=error), 401
else:
try:
#Gets the current user to add/display posts to
userPosts = db.session.query(Posts).filter_by(
user_id=user_id).all()
posts = []
for post in userPosts:
p = {
"id": post.id,
"user_id": post.user_id,
"photo": os.path.join(app.config['GET_FILE'], post.photo),
"description": post.caption,
"created_on": post.created_on.strftime("%d %b %Y")
}
posts.append(p)
return jsonify(posts=posts)
except Exception as e:
print(e)
error = "Internal server error"
return jsonify(error=error), 401
#Flash message to indicate an error occurred
failure = "Failed to create/display posts"
return jsonify(error=failure), 401
def pzl():
print('从数据库中加载')
form = PostsForm()
next = request.args.get('next')
if next:
form.content.data = next
if form.validate_on_submit():
# 判断用户是否登录
if current_user.is_authenticated:
suffix = os.path.splitext(form.pic.data.filename)[1]
filename = random_string() + suffix
# 保存文件print (form.pic.data)
print(form.pic.data)
photos.save(form.pic.data, name=filename)
# 拼接完整的路径名
pathname = os.path.join(current_app.config['UPLOADED_PHOTOS_DEST'],
filename)
# 生成缩略图
img = Image.open(pathname)
# 重新设置尺寸
img.thumbnail((128, 128))
# 重新保存
img.save(pathname)
p = Post(content=form.content.data,
category=form.category.data,
users_id=current_user.id,
pic=filename)
db.session.add(p)
form.content.data = ''
flash('发布成功')
return redirect(url_for('main.pzl'))
else:
flash('登录后才能发布微博哦')
return redirect(url_for('users.login', next=form.content.data))
# posts = Post.query.filter_by(rid=0).order_by(Post.timestamp.desc()).all()
page = request.args.get('page', 1, type=int)
pagination = Post.query.filter_by(rid=0).\
order_by(Post.timestamp.desc()).paginate(page, per_page=3,error_out=False)
posts = pagination.items
return render_template('common/index.html',
form=form,
posts=posts,
pagination=pagination)
def new_user_post():
"""Used for adding posts to the user's feed"""
form = PostsForm()
if request.method == "POST" and form.validate_on_submit():
userid = user_id
caption = request.form['caption']
photo_posted = request.file['photo']
date_now = datetime.datetime.now()
photo_file = secure_filename(photo_posted.photo_file)
post = Posts(userid=user_id,
caption=caption,
created_on=date_now,
photo_posted=photo)
db.session.add(post)
db.session.commit()
photo_posted.save(os.path.join(filefolder, photo_file))
info = [{"message": "Post successfully created"}]
return jsonify(result=info)
def index():
form = PostsForm()
if form.validate_on_submit():
if current_user.is_authenticated:
u = current_user._get_current_object()
p = Posts(content=form.content.data, user=u)
db.session.add(p)
return redirect(url_for('main.index'))
else:
flash('登录后才能发表')
return redirect('user.login')
# posts = Posts.query.filter_by(rid=0).order_by(Posts.timestamp.desc()).all()
page = request.args.get('page', 1, type=int)
pagination = Posts.query.filter_by(rid=0).order_by(
Posts.timestamp.desc()).paginate(page, per_page=3, error_out=False)
posts = pagination.items
return render_template('main/index.html',
form=form,
posts=posts,
pagination=pagination)
def blogs():
form = PostsForm()
if form.validate_on_submit():
u = current_user._get_current_object()
p = Posts(content=form.content.data, user=u)
db.session.add(p)
flash('你的博客已经发表成功，点击继续发表可继续发表，点击返回可返回首页')
return redirect(url_for('posts.blogs_continue'))
# 读取分页数据 'page':当前页码，默认第一页
page = request.args.get('page', 1, type=int)
# 只保留我发表的博客，然后按照时间倒序排列
pagination = Posts.query.filter_by(rid=0).filter_by(
uid=current_user.id).order_by(Posts.timestamp.desc()).paginate(
page, per_page=5, error_out=False)
# 获取当前分页所有数据
posts = pagination.items
for p in posts:
p.count = Posts.query.filter_by(rid=p.id).count()
return render_template('posts/blogs.html',
form=form,
posts=posts,
pagination=pagination)