From 81708ef490a95791f8da7a0036678a32155ace60 Mon Sep 17 00:00:00 2001
From: Mark Veidemanis <m@zm.is>
Date: Sun, 14 Aug 2022 00:01:00 +0100
Subject: [PATCH] Add API channel deletion endpoint

---
 app/urls.py                                   |  6 ++
 core/lib/manage/threshold.py                  |  5 +-
 .../threshold/irc/network/channels.html       |  5 +-
 core/views/manage/threshold/irc.py            | 57 ++++++++++++++++++-
 4 files changed, 67 insertions(+), 6 deletions(-)

diff --git a/app/urls.py b/app/urls.py
index 2a7d6f0..91d7c3a 100644
--- a/app/urls.py
+++ b/app/urls.py
@@ -48,6 +48,7 @@ from core.views.manage.threshold.irc import (
     ThresholdIRCOverviewAlerts,
     ThresholdIRCSendMessage,
     ThresholdIRCStats,
+    ThresholdIRCNetworkChannelsAPI,
 )
 
 # Management stuff
@@ -199,6 +200,11 @@ urlpatterns = [
         ThresholdIRCNetworkChannels.as_view(),
         name="threshold_irc_network_channels",
     ),
+    path(
+        "manage/threshold/irc/network/<str:net>/channel/json/",
+        ThresholdIRCNetworkChannelsAPI.as_view(),
+        name="threshold_irc_network_channel_json",
+    ),
     path(
         "manage/threshold/irc/network/<str:net>/channel/<channel>/",
         ThresholdIRCNetworkChannels.as_view(),
diff --git a/core/lib/manage/threshold.py b/core/lib/manage/threshold.py
index c2a4fc6..04afc0a 100644
--- a/core/lib/manage/threshold.py
+++ b/core/lib/manage/threshold.py
@@ -66,9 +66,8 @@ def get_irc_channels(net):
 
 
 def part_channel(net, channel):
-    channel = urllib.parse.quote(channel, safe="")
-    url = f"irc/network/{net}/channel/{channel}"
-    payload = {}
+    url = f"irc/network/{net}/channel"
+    payload = {"channel": channel}
     parted = threshold_request(url, payload, method="DELETE")
     if not parted:
         return {}
diff --git a/core/templates/manage/threshold/irc/network/channels.html b/core/templates/manage/threshold/irc/network/channels.html
index 5a95818..f87db4c 100644
--- a/core/templates/manage/threshold/irc/network/channels.html
+++ b/core/templates/manage/threshold/irc/network/channels.html
@@ -23,8 +23,9 @@
                 </td>
                 <td>
                   <button
-                    hx-headers='{"X-CSRFToken": "{{ csrf_token }}"}'
-                    hx-delete="{% url 'threshold_irc_network_channel' net channel.name %}"
+                    hx-headers='{"X-CSRFToken": "{{ csrf_token }}", "Content-Type": "application/json"}'
+                    hx-delete="{% url 'threshold_irc_network_channel_json' net %}"
+                    hx-vals='{"channel": "{{ channel.name }}"}'
                     hx-target="#channels"
                     hx-swap="outerHTML"
                     class="button is-danger is-small">
diff --git a/core/views/manage/threshold/irc.py b/core/views/manage/threshold/irc.py
index 86a3486..994024c 100644
--- a/core/views/manage/threshold/irc.py
+++ b/core/views/manage/threshold/irc.py
@@ -1,6 +1,6 @@
 from django.shortcuts import render
 from django.views import View
-from rest_framework.parsers import FormParser
+from rest_framework.parsers import FormParser, JSONParser
 from rest_framework.views import APIView
 
 from core.lib.manage import threshold
@@ -208,6 +208,61 @@ class ThresholdIRCNetworkRelayStatus(SuperUserRequiredMixin, APIView):
         }
         return render(request, self.template_name, context)
 
+class ThresholdIRCNetworkChannelsAPI(SuperUserRequiredMixin, APIView):
+    template_name = "manage/threshold/irc/network/channels.html"
+    parser_classes = [FormParser]
+
+    def delete(self, request, net):
+        """
+        Part a channel.
+        :param net: network name
+        :param channel: channel name
+        """
+        channel = request.data["channel"]
+        print("DELETE CHANNEL", channel)
+        parted = threshold.part_channel(net, channel)
+        if parted["success"]:
+            message = f"Requested part on relays: {', '.join(parted['relays'])}"
+            message_class = "success"
+        else:
+            message = parted["reason"]
+            message_class = "danger"
+
+        channels = threshold.get_irc_channels(net)
+        context = {
+            "net": net,
+            "channels": channels["channels"],
+            "message": message,
+            "class": message_class,
+        }
+        return render(request, self.template_name, context)
+
+    def put(self, request, net):
+        """
+        Join a channel.
+        :param net: network name
+        """
+        if "channel" not in request.data:
+            message = "No channel specified"
+            message_class = "danger"
+        else:
+            channel = request.data["channel"]
+            joined = threshold.join_channel(net, channel)
+            if joined["success"]:
+                message = f"Requested join on relay: {joined['relays']}"
+                message_class = "success"
+            else:
+                message = joined["reason"]
+                message_class = "danger"
+
+        channels = threshold.get_irc_channels(net)
+        context = {
+            "net": net,
+            "channels": channels["channels"],
+            "message": message,
+            "class": message_class,
+        }
+        return render(request, self.template_name, context)
 
 class ThresholdIRCNetworkChannels(SuperUserRequiredMixin, APIView):
     """