Add forum topic validation

app/tasks/phpbbparser.py

@@ -133,7 +133,7 @@ def parseForumListPage(id, page, out, extra=None):
 
 		out[id] = row
 
-	return True
+	return False
 
 def getTopicsFromForum(id, out={}, extra=None):
 	print("Fetching all topics from forum {}".format(id))

app/templates/packages/view.html

@@ -24,6 +24,9 @@
 			{% elif (package.type == package.type.GAME or package.type == package.type.TXP) and package.screenshots.count() == 0 %}
 				You need to add at least one screenshot.
 
+			{% elif topic_error_lvl == "error" %}
+				Please fix the below topic issue(s).
+
 			{% else %}
 				{% if package.screenshots.count() == 0 %}
 					<b>You should add at least one screenshot, but this isn't required.</b><br />
@@ -44,6 +47,14 @@
 			<div style="clear: both;"></div>
 		</div>
 
+		{% if topic_error %}
+			<div class="box box_grey alert alert-{{ topic_error_lvl }}">
+				<span class="icon_message"></span>
+				{{ topic_error | safe }}
+				<div style="clear: both;"></div>
+			</div>
+		{% endif %}
+
 		{% if package.author == current_user or package.checkPerm(current_user, "APPROVE_NEW") %}
 			{% if review_thread %}
 				<h2>&#x1f512; {{ review_thread.title }}</h2>

app/views/packages/__init__.py

@@ -116,10 +116,31 @@ def package_page(package):
 	if review_thread is not None and not review_thread.checkPerm(current_user, Permission.SEE_THREAD):
 		review_thread = None
 
+	topic_error = None
+	topic_error_lvl = "warning"
+	if not package.approved and package.forums is not None:
+		errors = []
+		if Package.query.filter_by(forums=package.forums, soft_deleted=False).count() > 1:
+			errors.append("<b>Error: Another package already uses this forum topic!</b>")
+			topic_error_lvl = "error"
+
+		topic = ForumTopic.query.get(package.forums)
+		if topic is not None:
+			if topic.author != package.author:
+				errors.append("<b>Error: Forum topic author doesn't match package author.</b>")
+				topic_error_lvl = "error"
+
+			if topic.wip:
+				errors.append("Warning: Forum topic is in WIP section, make sure package meets playability standards.")
+		elif package.type != PackageType.TXP:
+			errors.append("Warning: Forum topic not found. This may happen if the topic has only just been created.")
+
+		topic_error = "<br />".join(errors)
+
 	return render_template("packages/view.html", \
 			package=package, releases=releases, requests=requests, \
 			alternatives=alternatives, similar_topics=similar_topics, \
-			review_thread=review_thread)
+			review_thread=review_thread, topic_error=topic_error, topic_error_lvl=topic_error_lvl)
 
 
 @app.route("/packages/<author>/<name>/download/")