From b660d700b9a197b918950af5a3adf56d8104b1c0 Mon Sep 17 00:00:00 2001
From: Ethan Dalool <git@voussoir.net>
Date: Mon, 10 Aug 2020 18:30:56 -0700
Subject: [PATCH] Add endpoint and gui button for deleting channels.

---
 .../backend/endpoints/channel_endpoints.py    | 10 +++++++++
 frontends/ycdl_flask/static/js/api.js         | 21 +++++++++++++++++++
 frontends/ycdl_flask/templates/channel.html   | 11 ++++++++++
 3 files changed, 42 insertions(+)

diff --git a/frontends/ycdl_flask/backend/endpoints/channel_endpoints.py b/frontends/ycdl_flask/backend/endpoints/channel_endpoints.py
index f6cfbbc..5489c3c 100644
--- a/frontends/ycdl_flask/backend/endpoints/channel_endpoints.py
+++ b/frontends/ycdl_flask/backend/endpoints/channel_endpoints.py
@@ -90,6 +90,16 @@ def post_add_channel():
     channel = common.ycdldb.add_channel(channel_id, get_videos=True)
     return jsonify.make_json_response(ycdl.jsonify.channel(channel))
 
+@site.route('/channel/<channel_id>/delete', methods=['POST'])
+def post_delete_channel(channel_id):
+    try:
+        channel = common.ycdldb.get_channel(channel_id)
+    except ycdl.exceptions.NoSuchChannel as exc:
+        return jsonify.make_json_response(ycdl.jsonify.exception(exc), status=404)
+
+    channel.delete()
+    return jsonify.make_json_response({})
+
 @site.route('/channel/<channel_id>/refresh', methods=['POST'])
 def post_refresh_channel(channel_id):
     force = request.form.get('force', False)
diff --git a/frontends/ycdl_flask/static/js/api.js b/frontends/ycdl_flask/static/js/api.js
index bf3ebb9..7820998 100644
--- a/frontends/ycdl_flask/static/js/api.js
+++ b/frontends/ycdl_flask/static/js/api.js
@@ -12,6 +12,14 @@ function add_channel(channel_id, callback)
     return common.post(url, data, callback);
 }
 
+api.channels.delete_channel =
+function delete_channel(channel_id, callback)
+{
+    var url = `/channel/${channel_id}/delete`;
+    data = new FormData();
+    return common.post(url, data, callback);
+}
+
 api.channels.refresh_channel =
 function refresh_channel(channel_id, force, callback)
 {
@@ -39,6 +47,19 @@ function set_automark(channel_id, state, callback)
     return common.post(url, data, callback);
 }
 
+api.channels.callback_go_to_channels =
+function callback_go_to_channels(response)
+{
+    if (response.meta.status === 200)
+    {
+        window.location.href = "/channels";
+    }
+    else
+    {
+        console.log(response);
+    }
+}
+
 /**************************************************************************************************/
 api.videos = {};
 
diff --git a/frontends/ycdl_flask/templates/channel.html b/frontends/ycdl_flask/templates/channel.html
index 06464c5..13df361 100644
--- a/frontends/ycdl_flask/templates/channel.html
+++ b/frontends/ycdl_flask/templates/channel.html
@@ -226,6 +226,12 @@ https://stackoverflow.com/a/35153397
     </div>
     
     <div id="toolbox_right">
+        {% if channel is not none %}
+        <button class="red_button button_with_confirm"
+        data-prompt="Delete channel and all videos?"
+        data-onclick="delete_channel_form();"
+        >Delete Channel</button>
+        {% endif %}
     </div>
 
 
@@ -298,6 +304,11 @@ var DOWNLOAD_FILTER = "{{download_filter if download_filter else ""}}";
 var video_card_first_selected = null;
 var video_card_selections = [];
 
+function delete_channel_form()
+{
+    api.channels.delete_channel(CHANNEL_ID, api.channels.callback_go_to_channels);
+}
+
 function refresh_channel_form(force)
 {
     console.log(`Refreshing channel ${CHANNEL_ID}, force=${force}.`);