mirror of
https://github.com/miguelgrinberg/microblog.git
synced 2025-12-08 18:02:07 +00:00
242 lines
9.2 KiB
Python
242 lines
9.2 KiB
Python
from datetime import datetime, timezone
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from flask import render_template, flash, redirect, url_for, request, g, \
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current_app
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from flask_login import current_user, login_required
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from flask_babel import _, get_locale
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import sqlalchemy as sa
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from langdetect import detect, LangDetectException
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from app import db
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from app.main.forms import EditProfileForm, EmptyForm, PostForm, SearchForm, \
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MessageForm
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from app.models import User, Post, Message, Notification
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from app.translate import translate
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from app.main import bp
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@bp.before_app_request
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def before_request():
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if current_user.is_authenticated:
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current_user.last_seen = datetime.now(timezone.utc)
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db.session.commit()
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g.search_form = SearchForm()
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g.locale = str(get_locale())
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@bp.route('/', methods=['GET', 'POST'])
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@bp.route('/index', methods=['GET', 'POST'])
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@login_required
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def index():
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form = PostForm()
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if form.validate_on_submit():
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try:
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language = detect(form.post.data)
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except LangDetectException:
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language = ''
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post = Post(body=form.post.data, author=current_user,
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language=language)
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db.session.add(post)
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db.session.commit()
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flash(_('Your post is now live!'))
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return redirect(url_for('main.index'))
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page = request.args.get('page', 1, type=int)
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posts = db.paginate(current_user.following_posts(), page=page,
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per_page=current_app.config['POSTS_PER_PAGE'],
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error_out=False)
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next_url = url_for('main.index', page=posts.next_num) \
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if posts.has_next else None
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prev_url = url_for('main.index', page=posts.prev_num) \
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if posts.has_prev else None
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return render_template('index.html', title=_('Home'), form=form,
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posts=posts.items, next_url=next_url,
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prev_url=prev_url)
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@bp.route('/explore')
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@login_required
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def explore():
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page = request.args.get('page', 1, type=int)
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query = sa.select(Post).order_by(Post.timestamp.desc())
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posts = db.paginate(query, page=page,
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per_page=current_app.config['POSTS_PER_PAGE'],
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error_out=False)
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next_url = url_for('main.explore', page=posts.next_num) \
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if posts.has_next else None
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prev_url = url_for('main.explore', page=posts.prev_num) \
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if posts.has_prev else None
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return render_template('index.html', title=_('Explore'),
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posts=posts.items, next_url=next_url,
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prev_url=prev_url)
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@bp.route('/user/<username>')
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@login_required
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def user(username):
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user = db.first_or_404(sa.select(User).where(User.username == username))
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page = request.args.get('page', 1, type=int)
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query = user.posts.select().order_by(Post.timestamp.desc())
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posts = db.paginate(query, page=page,
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per_page=current_app.config['POSTS_PER_PAGE'],
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error_out=False)
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next_url = url_for('main.user', username=user.username,
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page=posts.next_num) if posts.has_next else None
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prev_url = url_for('main.user', username=user.username,
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page=posts.prev_num) if posts.has_prev else None
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form = EmptyForm()
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return render_template('user.html', user=user, posts=posts.items,
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next_url=next_url, prev_url=prev_url, form=form)
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@bp.route('/user/<username>/popup')
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@login_required
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def user_popup(username):
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user = db.first_or_404(sa.select(User).where(User.username == username))
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form = EmptyForm()
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return render_template('user_popup.html', user=user, form=form)
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@bp.route('/edit_profile', methods=['GET', 'POST'])
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@login_required
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def edit_profile():
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form = EditProfileForm(current_user.username)
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if form.validate_on_submit():
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current_user.username = form.username.data
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current_user.about_me = form.about_me.data
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db.session.commit()
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flash(_('Your changes have been saved.'))
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return redirect(url_for('main.edit_profile'))
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elif request.method == 'GET':
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form.username.data = current_user.username
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form.about_me.data = current_user.about_me
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return render_template('edit_profile.html', title=_('Edit Profile'),
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form=form)
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@bp.route('/follow/<username>', methods=['POST'])
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@login_required
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def follow(username):
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form = EmptyForm()
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if form.validate_on_submit():
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user = db.session.scalar(
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sa.select(User).where(User.username == username))
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if user is None:
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flash(_('User %(username)s not found.', username=username))
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return redirect(url_for('main.index'))
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if user == current_user:
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flash(_('You cannot follow yourself!'))
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return redirect(url_for('main.user', username=username))
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current_user.follow(user)
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db.session.commit()
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flash(_('You are following %(username)s!', username=username))
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return redirect(url_for('main.user', username=username))
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else:
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return redirect(url_for('main.index'))
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@bp.route('/unfollow/<username>', methods=['POST'])
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@login_required
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def unfollow(username):
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form = EmptyForm()
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if form.validate_on_submit():
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user = db.session.scalar(
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sa.select(User).where(User.username == username))
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if user is None:
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flash(_('User %(username)s not found.', username=username))
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return redirect(url_for('main.index'))
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if user == current_user:
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flash(_('You cannot unfollow yourself!'))
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return redirect(url_for('main.user', username=username))
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current_user.unfollow(user)
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db.session.commit()
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flash(_('You are not following %(username)s.', username=username))
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return redirect(url_for('main.user', username=username))
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else:
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return redirect(url_for('main.index'))
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@bp.route('/translate', methods=['POST'])
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@login_required
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def translate_text():
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data = request.get_json()
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return {'text': translate(data['text'],
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data['source_language'],
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data['dest_language'])}
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@bp.route('/search')
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@login_required
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def search():
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if not g.search_form.validate():
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return redirect(url_for('main.explore'))
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page = request.args.get('page', 1, type=int)
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posts, total = Post.search(g.search_form.q.data, page,
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current_app.config['POSTS_PER_PAGE'])
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next_url = url_for('main.search', q=g.search_form.q.data, page=page + 1) \
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if total > page * current_app.config['POSTS_PER_PAGE'] else None
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prev_url = url_for('main.search', q=g.search_form.q.data, page=page - 1) \
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if page > 1 else None
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return render_template('search.html', title=_('Search'), posts=posts,
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next_url=next_url, prev_url=prev_url)
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@bp.route('/send_message/<recipient>', methods=['GET', 'POST'])
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@login_required
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def send_message(recipient):
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user = db.first_or_404(sa.select(User).where(User.username == recipient))
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form = MessageForm()
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if form.validate_on_submit():
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msg = Message(author=current_user, recipient=user,
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body=form.message.data)
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db.session.add(msg)
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user.add_notification('unread_message_count',
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user.unread_message_count())
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db.session.commit()
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flash(_('Your message has been sent.'))
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return redirect(url_for('main.user', username=recipient))
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return render_template('send_message.html', title=_('Send Message'),
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form=form, recipient=recipient)
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@bp.route('/messages')
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@login_required
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def messages():
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current_user.last_message_read_time = datetime.now(timezone.utc)
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current_user.add_notification('unread_message_count', 0)
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db.session.commit()
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page = request.args.get('page', 1, type=int)
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query = current_user.messages_received.select().order_by(
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Message.timestamp.desc())
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messages = db.paginate(query, page=page,
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per_page=current_app.config['POSTS_PER_PAGE'],
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error_out=False)
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next_url = url_for('main.messages', page=messages.next_num) \
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if messages.has_next else None
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prev_url = url_for('main.messages', page=messages.prev_num) \
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if messages.has_prev else None
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return render_template('messages.html', messages=messages.items,
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next_url=next_url, prev_url=prev_url)
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@bp.route('/export_posts')
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@login_required
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def export_posts():
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if current_user.get_task_in_progress('export_posts'):
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flash(_('An export task is currently in progress'))
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else:
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current_user.launch_task('export_posts', _('Exporting posts...'))
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db.session.commit()
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return redirect(url_for('main.user', username=current_user.username))
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@bp.route('/notifications')
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@login_required
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def notifications():
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since = request.args.get('since', 0.0, type=float)
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query = current_user.notifications.select().where(
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Notification.timestamp > since).order_by(Notification.timestamp.asc())
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notifications = db.session.scalars(query)
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return [{
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'name': n.name,
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'data': n.get_data(),
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'timestamp': n.timestamp
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} for n in notifications]
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