Add rocketchat integration (#226)

docs/rocketchat.md

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+# RocketChat Recipe
+
+## Installing
+
+Create a RocketChat incoming webhook, through the administration panel.
+
+Require the new recipe into your `deploy.php`
+
+```php
+require 'recipe/rocketchat.php';
+```
+
+Add hook on deploy:
+
+```
+before('deploy', 'rocketchat:notify');
+```
+
+## Configuration
+
+ - `rocketchat_webhook` - incoming rocketchat webook **required**
+   ```
+   set('rocketchat_webook', 'https://rocketchat.yourcompany.com/hooks/XXXXX');
+   ```
+
+ - `rocketchat_title` - the title of the application, defaults to `{{application}}`
+ - `rocketchat_text` - notification message
+   ```
+   set('rocketchat_text', '_{{user}}_ deploying {{branch}} to {{target}}');
+   ```
+
+ - `rocketchat_success_text` – success template, default:
+  ```
+  set('rocketchat_success_text', 'Deploy to *{{target}}* successful');
+  ```
+ - `rocketchat_failure_text` – failure template, default:
+  ```
+  set('rocketchat_failure_text', 'Deploy to *{{target}}* failed');
+  ```
+
+ - `rocketchat_color` – color's attachment
+ - `rocketchat_success_color` – success color's attachment
+ - `rocketchat_failure_color` – failure color's attachment
+
+## Tasks
+
+- `rocketchat:notify` – send message to rocketchat
+- `rocketchat:notify:success` – send success message to rocketchat
+- `rocketchat:notify:failure` – send failure message to rocketchat
+
+## Usage
+
+If you want to notify only about beginning of deployment add this line only:
+
+```php
+before('deploy', 'rocketchat:notify');
+```
+
+If you want to notify about successful end of deployment add this too:
+
+```php
+after('success', 'rocketchat:notify:success');
+```
+
+If you want to notify about failed deployment add this too:
+
+```php
+after('deploy:failed', 'rocketchat:notify:failure');
+```

recipe/rocketchat.php

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+<?php
+/* (c) Markus Bachmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace Deployer;
+
+use Deployer\Utility\Httpie;
+
+set('rockchat_title', function() {
+    return get('application', 'Project');
+});
+
+set('rocketchat_icon_emoji', ':robot:');
+set('rocketchat_icon_url', null);
+
+set('rocketchat_channel', null);
+set('rocketchat_room_id', null);
+set('rocketchat_username', null);
+set('rocketchat_webhook', null);
+
+set('rocketchat_color', '#000000');
+set('rocketchat_success_color', '#00c100');
+set('rocketchat_failure_color', '#ff0909');
+
+set('rocketchat_text', '_{{user}}_ deploying `{{branch}}` to *{{target}}*');
+set('rocketchat_success_text', 'Deploy to *{{target}}* successful');
+set('rocketchat_failure_text', 'Deploy to *{{target}}* failed');
+
+desc('Notify RocketChat');
+task('rocketchat:notify', function() {
+    if (null === get('rocketchat_webhook')) {
+        return;
+    }
+
+    $body = [
+        'text' => get('rockchat_title'),
+        'username' => get('rocketchat_username'),
+        'attachments' => [[
+            'text' => get('rocketchat_text'),
+            'color' => get('rocketchat_color'),
+        ]]
+    ];
+
+    if (get('rocketchat_channel')) {
+        $body['channel'] = get('rocketchat_channel');
+    }
+    if (get('rocketchat_room_id')) {
+        $body['roomId'] = get('rocketchat_room_id');
+    }
+    if (get('rocketchat_icon_url')) {
+        $body['avatar'] = get('rocketchat_icon_url');
+    } elseif (get('rocketchat_icon_emoji')) {
+        $body['emoji'] = get('rocketchat_icon_emoji');
+    }
+
+    Httpie::post(get('rocketchat_webhook'))->body($body)->send();
+});
+
+desc('Notifying RocketChat about deploy finish');
+task('rocketchat:notify:success', function() {
+    if (null === get('rocketchat_webhook')) {
+        return;
+    }
+
+    $body = [
+        'text' => get('rockchat_title'),
+        'username' => get('rocketchat_username'),
+        'attachments' => [[
+            'text' => get('rocketchat_success_text'),
+            'color' => get('rocketchat_success_color'),
+        ]]
+    ];
+
+    if (get('rocketchat_channel')) {
+        $body['channel'] = get('rocketchat_channel');
+    }
+    if (get('rocketchat_room_id')) {
+        $body['roomId'] = get('rocketchat_room_id');
+    }
+    if (get('rocketchat_icon_url')) {
+        $body['avatar'] = get('rocketchat_icon_url');
+    } elseif (get('rocketchat_icon_emoji')) {
+        $body['emoji'] = get('rocketchat_icon_emoji');
+    }
+
+    Httpie::post(get('rocketchat_webhook'))->body($body)->send();
+});
+
+desc('Notifying RocketChat about deploy failure');
+task('rocketchat:notify:failure', function() {
+    if (null === get('rocketchat_webhook')) {
+        return;
+    }
+
+    $body = [
+        'text' => get('rockchat_title'),
+        'username' => get('rocketchat_username'),
+        'attachments' => [[
+            'color' => get('rocketchat_failure_color'),
+            'text' => get('rocketchat_failure_text')
+        ]]
+    ];
+
+    if (get('rocketchat_channel')) {
+        $body['channel'] = get('rocketchat_channel');
+    }
+    if (get('rocketchat_room_id')) {
+        $body['roomId'] = get('rocketchat_room_id');
+    }
+    if (get('rocketchat_icon_url')) {
+        $body['avatar'] = get('rocketchat_icon_url');
+    } elseif (get('rocketchat_icon_emoji')) {
+        $body['emoji'] = get('rocketchat_icon_emoji');
+    }
+
+    Httpie::post(get('rocketchat_webhook'))->body($body)->send();
+});
+