Add Threadfin Enhanced app (#746)

* Add Threadfin Enhanced app

* Fix lint error

* Add SVG icon for Threadfin

Threadfin/Threadfin.php

@@ -0,0 +1,72 @@
+<?php
+
+namespace App\SupportedApps\Threadfin;
+
+class Threadfin extends \App\SupportedApps implements \App\EnhancedApps
+{
+    public $config;
+
+    //protected $login_first = true; // Uncomment if api requests need to be authed first
+    protected $method = 'POST';  // Uncomment if requests to the API should be set by POST
+
+    public function __construct()
+    {
+        //$this->jar = new \GuzzleHttp\Cookie\CookieJar; // Uncomment if cookies need to be set
+    }
+
+    private function getStatus()
+    {
+        $attrs = [
+            "headers" => [
+                "Content-Type" => "application/json"
+            ],
+            "body" => json_encode([
+                "cmd" => "status"
+            ])
+        ];
+
+        $res = parent::execute($this->url("api/"), $attrs);
+
+        switch ($res->getStatusCode()) {
+            case 200:
+                return json_decode($res->getBody());
+            case 400:
+                throw new \Exception("Bad command");
+            default:
+                throw new \Exception("Could not connect to Threadfin");
+        }
+    }
+
+    public function test()
+    {
+        try {
+            $res = $this->getStatus();
+            if ($res->status == true) {
+                echo "Successfully communicated with the API";
+            } else {
+                echo "Threadfin is not in a good health";
+            }
+        } catch (Exception $err) {
+            echo $err->getMessage();
+        }
+    }
+
+    public function livestats()
+    {
+        $status = "inactive";
+        $data = [];
+
+        $res = $this->getStatus();
+
+        $data["activeChannels"] = $res->{"streams.active"};
+        $data["totalChannels"] = $res->{"streams.all"};
+
+        return parent::getLiveStats($status, $data);
+    }
+
+    public function url($endpoint)
+    {
+        $api_url = parent::normaliseurl($this->config->url) . $endpoint;
+        return $api_url;
+    }
+}

Threadfin/app.json

@@ -0,0 +1,10 @@
+{
+  "appid": "98028de0432f62fda3283fc2e833f0d68c2a38d9",
+  "name": "Threadfin",
+  "website": "https://github.com/Threadfin/Threadfin",
+  "license": "MIT license",
+  "description": "An M3U proxy for Kernel/Plex/Jellyfin/Emby based on xTeVe",
+  "enhanced": true,
+  "tile_background": "dark",
+  "icon": "threadfin.svg"
+}

Threadfin/config.blade.php

@@ -0,0 +1,10 @@
+<h2>{{ __('app.apps.config') }} ({{ __('app.optional') }}) @include('items.enable')</h2>
+<div class="items">
+    <div class="input">
+        <label>{{ strtoupper(__('app.url')) }}</label>
+        {!! Form::text('config[override_url]', isset($item) ? $item->getconfig()->override_url : null, ['placeholder' => __('app.apps.override'), 'id' => 'override_url', 'class' => 'form-control']) !!}
+    </div>
+    <div class="input">
+        <button style="margin-top: 32px;" class="btn test" id="test_config">Test</button>
+    </div>
+</div>

Threadfin/livestats.blade.php

@@ -0,0 +1,5 @@
+<ul class="livestats">
+    <li>
+        <span class="title">Channels</span>
+        <strong>{!! $activeChannels !!}<span>/{!! $totalChannels !!}</span></strong>
+    </li>