app/blueprints/threads/__init__.py

   1 # Content DB
   2 # Copyright (C) 2018  rubenwardy
   3 #
   4 # This program is free software: you can redistribute it and/or modify
   5 # it under the terms of the GNU General Public License as published by
   6 # the Free Software Foundation, either version 3 of the License, or
   7 # (at your option) any later version.
   8 #
   9 # This program is distributed in the hope that it will be useful,
  10 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 # GNU General Public License for more details.
  13 #
  14 # You should have received a copy of the GNU General Public License
  15 # along with this program.  If not, see <https://www.gnu.org/licenses/>.
  16
  17
  18 from flask import *
  19
  20 bp = Blueprint("threads", __name__)
  21
  22 from flask_user import *
  23 from app.models import *
  24 from app.utils import addNotification, clearNotifications
  25
  26 import datetime
  27
  28 from flask_wtf import FlaskForm
  29 from wtforms import *
  30 from wtforms.validators import *
  31 from app.utils import get_int_or_abort
  32
  33 @bp.route("/threads/")
  34 def list_all():
  35         query = Thread.query
  36         if not Permission.SEE_THREAD.check(current_user):
  37                 query = query.filter_by(private=False)
  38
  39         pid = request.args.get("pid")
  40         if pid:
  41                 pid = get_int_or_abort(pid)
  42                 query = query.filter_by(package_id=pid)
  43
  44         query = query.order_by(db.desc(Thread.created_at))
  45
  46         return render_template("threads/list.html", threads=query.all())
  47
  48
  49 @bp.route("/threads/<int:id>/subscribe/", methods=["POST"])
  50 @login_required
  51 def subscribe(id):
  52         thread = Thread.query.get(id)
  53         if thread is None or not thread.checkPerm(current_user, Permission.SEE_THREAD):
  54                 abort(404)
  55
  56         if current_user in thread.watchers:
  57                 flash("Already subscribed!", "success")
  58         else:
  59                 flash("Subscribed to thread", "success")
  60                 thread.watchers.append(current_user)
  61                 db.session.commit()
  62
  63         return redirect(url_for("threads.view", id=id))
  64
  65
  66 @bp.route("/threads/<int:id>/unsubscribe/", methods=["POST"])
  67 @login_required
  68 def unsubscribe(id):
  69         thread = Thread.query.get(id)
  70         if thread is None or not thread.checkPerm(current_user, Permission.SEE_THREAD):
  71                 abort(404)
  72
  73         if current_user in thread.watchers:
  74                 flash("Unsubscribed!", "success")
  75                 thread.watchers.remove(current_user)
  76                 db.session.commit()
  77         else:
  78                 flash("Not subscribed to thread", "success")
  79
  80         return redirect(url_for("threads.view", id=id))
  81
  82
  83 @bp.route("/threads/<int:id>/", methods=["GET", "POST"])
  84 def view(id):
  85         thread = Thread.query.get(id)
  86         if thread is None or not thread.checkPerm(current_user, Permission.SEE_THREAD):
  87                 abort(404)
  88
  89         if current_user.is_authenticated and request.method == "POST":
  90                 comment = request.form["comment"]
  91
  92                 if not current_user.canCommentRL():
  93                         flash("Please wait before commenting again", "danger")
  94                         if package:
  95                                 return redirect(package.getDetailsURL())
  96                         else:
  97                                 return redirect(url_for("homepage.home"))
  98
  99                 if len(comment) <= 500 and len(comment) > 3:
 100                         reply = ThreadReply()
 101                         reply.author = current_user
 102                         reply.comment = comment
 103                         db.session.add(reply)
 104
 105                         thread.replies.append(reply)
 106                         if not current_user in thread.watchers:
 107                                 thread.watchers.append(current_user)
 108
 109                         msg = "New comment on '{}'".format(thread.title)
 110                         addNotification(thread.watchers, current_user, msg, url_for("threads.view", id=thread.id), thread.package)
 111                         db.session.commit()
 112
 113                         return redirect(url_for("threads.view", id=id))
 114
 115                 else:
 116                         flash("Comment needs to be between 3 and 500 characters.")
 117
 118         return render_template("threads/view.html", thread=thread)
 119
 120
 121 class ThreadForm(FlaskForm):
 122         title   = StringField("Title", [InputRequired(), Length(3,100)])
 123         comment = TextAreaField("Comment", [InputRequired(), Length(10, 500)])
 124         private = BooleanField("Private")
 125         submit  = SubmitField("Open Thread")
 126
 127 @bp.route("/threads/new/", methods=["GET", "POST"])
 128 @login_required
 129 def new():
 130         form = ThreadForm(formdata=request.form)
 131
 132         package = None
 133         if "pid" in request.args:
 134                 package = Package.query.get(int(request.args.get("pid")))
 135                 if package is None:
 136                         flash("Unable to find that package!", "danger")
 137
 138         # Don't allow making orphan threads on approved packages for now
 139         if package is None:
 140                 abort(403)
 141
 142         def_is_private   = request.args.get("private") or False
 143         if package is None:
 144                 def_is_private = True
 145         allow_change     = package and package.approved
 146         is_review_thread = package and not package.approved
 147
 148         # Check that user can make the thread
 149         if not package.checkPerm(current_user, Permission.CREATE_THREAD):
 150                 flash("Unable to create thread!", "danger")
 151                 return redirect(url_for("homepage.home"))
 152
 153         # Only allow creating one thread when not approved
 154         elif is_review_thread and package.review_thread is not None:
 155                 flash("A review thread already exists!", "danger")
 156                 return redirect(url_for("threads.view", id=package.review_thread.id))
 157
 158         elif not current_user.canOpenThreadRL():
 159                 flash("Please wait before opening another thread", "danger")
 160
 161                 if package:
 162                         return redirect(package.getDetailsURL())
 163                 else:
 164                         return redirect(url_for("homepage.home"))
 165
 166         # Set default values
 167         elif request.method == "GET":
 168                 form.private.data = def_is_private
 169                 form.title.data   = request.args.get("title") or ""
 170
 171         # Validate and submit
 172         elif request.method == "POST" and form.validate():
 173                 thread = Thread()
 174                 thread.author  = current_user
 175                 thread.title   = form.title.data
 176                 thread.private = form.private.data if allow_change else def_is_private
 177                 thread.package = package
 178                 db.session.add(thread)
 179
 180                 thread.watchers.append(current_user)
 181                 if package is not None and package.author != current_user:
 182                         thread.watchers.append(package.author)
 183
 184                 reply = ThreadReply()
 185                 reply.thread  = thread
 186                 reply.author  = current_user
 187                 reply.comment = form.comment.data
 188                 db.session.add(reply)
 189
 190                 thread.replies.append(reply)
 191
 192                 db.session.commit()
 193
 194                 if is_review_thread:
 195                         package.review_thread = thread
 196
 197                 notif_msg = "New thread '{}'".format(thread.title)
 198                 if package is not None:
 199                         addNotification(package.maintainers, current_user, notif_msg, url_for("threads.view", id=thread.id), package)
 200
 201                 editors = User.query.filter(User.rank >= UserRank.EDITOR).all()
 202                 addNotification(editors, current_user, notif_msg, url_for("threads.view", id=thread.id), package)
 203
 204                 db.session.commit()
 205
 206                 return redirect(url_for("threads.view", id=thread.id))
 207
 208
 209         return render_template("threads/new.html", form=form, allow_private_change=allow_change, package=package)