Add comment system

1 files changed, 136 insertions, 0 deletions

diff --git a/app/views/threads.py b/app/views/threads.py
new file mode 100644
index 0000000..e4973a5
--- /dev/null
+++ b/app/views/threads.py
@@ -0,0 +1,136 @@
+# Content DB
+# Copyright (C) 2018  rubenwardy
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+
+from flask import *
+from flask_user import *
+from app import app
+from app.models import *
+from app.utils import triggerNotif, clearNotifications
+
+from flask_wtf import FlaskForm
+from wtforms import *
+from wtforms.validators import *
+
+@app.route("/threads/")
+def threads_page():
+	threads = Thread.query.filter_by(private=False).all()
+	return render_template("threads/list.html", threads=threads)
+
+@app.route("/threads/<int:id>/", methods=["GET", "POST"])
+def thread_page(id):
+	clearNotifications(url_for("thread_page", id=id))
+
+	thread = Thread.query.get(id)
+	if thread is None or not thread.checkPerm(current_user, Permission.SEE_THREAD):
+		abort(404)
+
+	if current_user.is_authenticated and request.method == "POST":
+		comment = request.form["comment"]
+
+		if len(comment) <= 500 and len(comment) > 3:
+			reply = ThreadReply()
+			reply.author = current_user
+			reply.comment = comment
+			db.session.add(reply)
+
+			thread.replies.append(reply)
+			db.session.commit()
+
+			return redirect(url_for("thread_page", id=id))
+
+		else:
+			flash("Comment needs to be between 3 and 500 characters.")
+
+	return render_template("threads/view.html", thread=thread)
+
+
+class ThreadForm(FlaskForm):
+	title	= StringField("Title", [InputRequired(), Length(3,100)])
+	comment = TextAreaField("Comment", [InputRequired(), Length(10, 500)])
+	private = BooleanField("Private")
+	submit  = SubmitField("Open Thread")
+
+@app.route("/threads/new/", methods=["GET", "POST"])
+@login_required
+def new_thread_page():
+	form = ThreadForm(formdata=request.form)
+
+	package = None
+	if "pid" in request.args:
+		package = Package.query.get(int(request.args.get("pid")))
+		if package is None:
+			flash("Unable to find that package!", "error")
+
+	if package is None:
+		abort(403)
+
+	def_is_private   = request.args.get("private") or False
+	if not package.approved:
+		def_is_private = True
+	allow_change     = package.approved
+	is_review_thread = package is not None and not package.approved
+
+	# Check that user can make the thread
+	if is_review_thread and not (package.author == current_user or \
+			package.checkPerm(current_user, Permission.APPROVE_NEW)):
+		flash("Unable to create thread!", "error")
+		return redirect(url_for("home_page"))
+
+	# Only allow creating one thread when not approved
+	elif is_review_thread and package.review_thread is not None:
+		flash("A review thread already exists!", "error")
+		if request.method == "GET":
+			return redirect(url_for("thread_page", id=package.review_thread.id))
+
+	# Set default values
+	elif request.method == "GET":
+		form.private.data = def_is_private
+		form.title.data   = request.args.get("title") or ""
+
+	# Validate and submit
+	elif request.method == "POST" and form.validate():
+		thread = Thread()
+		thread.author  = current_user
+		thread.title   = form.title.data
+		thread.private = form.private.data if allow_change else def_is_private
+		thread.package = package
+		db.session.add(thread)
+
+		reply = ThreadReply()
+		reply.thread  = thread
+		reply.author  = current_user
+		reply.comment = form.comment.data
+		db.session.add(reply)
+
+		thread.replies.append(reply)
+
+		db.session.commit()
+
+		if is_review_thread:
+			package.review_thread = thread
+
+		if package is not None:
+			triggerNotif(package.author, current_user,
+					"New thread '{}' on package {}".format(thread.title, package.title), url_for("thread_page", id=thread.id))
+			db.session.commit()
+
+		db.session.commit()
+
+		return redirect(url_for("thread_page", id=thread.id))
+
+
+	return render_template("threads/new.html", form=form, allow_private_change=allow_change)