fixes #109: add ability to delete channels

lib/philomena_web/controllers/channel_controller.ex

@@ -6,7 +6,7 @@ defmodule PhilomenaWeb.ChannelController do
   alias Philomena.Repo
   import Ecto.Query
 
-  plug :load_and_authorize_resource, model: Channel, only: [:show, :new, :create, :edit, :update]
+  plug :load_and_authorize_resource, model: Channel, only: [:show, :new, :create, :edit, :update, :delete]
 
   def index(conn, params) do
     show_nsfw? = conn.cookies["chan_nsfw"] == "true"
@@ -74,6 +74,14 @@ defmodule PhilomenaWeb.ChannelController do
     end
   end
 
+  def delete(conn, _params) do
+    {:ok, _channel} = Channels.delete_channel(conn.assigns.channel)
+
+    conn
+    |> put_flash(:info, "Channel destroyed successfully.")
+    |> redirect(to: Routes.channel_path(conn, :index))
+  end
+
   defp maybe_search(query, %{"cq" => cq}) when is_binary(cq) and cq != "" do
     title_query = "#{cq}%"
     tag_query = "%#{cq}%"

lib/philomena_web/router.ex

@@ -393,7 +393,7 @@ defmodule PhilomenaWeb.Router do
       singleton: true
 
     resources "/pages", PageController, only: [:index, :new, :create, :edit, :update]
-    resources "/channels", ChannelController, only: [:new, :create, :edit, :update]
+    resources "/channels", ChannelController, only: [:new, :create, :edit, :update, :delete]
   end
 
   scope "/", PhilomenaWeb do

lib/philomena_web/templates/channel/_channel_box.html.slime

@@ -32,5 +32,8 @@
     a href=Routes.channel_path(@conn, :edit, @channel) class=link_class
       i.fas.fa-fw.fa-edit>
       ' Edit
+    a href=Routes.channel_path(@conn, :delete, @channel) class=link_class data-method="delete" data-confirm="Are you really, really sure?"
+      i.fas.fa-fw.fa-trash>
+      ' Delete
 
   = render PhilomenaWeb.Channel.SubscriptionView, "_subscription.html", conn: @conn, watching: @subscriptions[@channel.id], channel: @channel