feat/slack

forms-bridge/addons/gsheets/hooks.php

@@ -87,8 +87,7 @@ function ( $defaults, $addon, $schema ) {
 						'name'     => 'scope',
 						'label'    => __( 'Scope', 'forms-bridge' ),
 						'type'     => 'text',
-						'value'    =>
-							'https://www.googleapis.com/auth/drive.readonly https://www.googleapis.com/auth/spreadsheets',
+						'value'    => 'https://www.googleapis.com/auth/drive.readonly https://www.googleapis.com/auth/spreadsheets',
 						'required' => true,
 					),
 					array(
@@ -147,8 +146,7 @@ function ( $defaults, $addon, $schema ) {
 					'name'          => '',
 					'schema'        => 'Bearer',
 					'oauth_url'     => 'https://accounts.google.com/o/oauth2/v2',
-					'scope'         =>
-						'https://www.googleapis.com/auth/drive.readonly https://www.googleapis.com/auth/spreadsheets',
+					'scope'         => 'https://www.googleapis.com/auth/drive.readonly https://www.googleapis.com/auth/spreadsheets',
 					'client_id'     => '',
 					'client_secret' => '',
 					'access_token'  => '',
@@ -173,8 +171,7 @@ function ( $data, $template_id ) {
 			return $data;
 		}
 
-		$data['bridge']['endpoint'] =
-			'/v4/spreadsheets/' . $data['bridge']['endpoint'];
+		$data['bridge']['endpoint'] = '/v4/spreadsheets/' . $data['bridge']['endpoint'];
 		return $data;
 	},
 	10,
@@ -184,7 +181,7 @@ function ( $data, $template_id ) {
 add_filter(
 	'http_bridge_oauth_url',
 	function ( $url, $verb ) {
-		if ( strpos( $url, 'accounts.google.com' ) === false ) {
+		if ( false === strpos( $url, 'accounts.google.com' ) ) {
 			return $url;
 		}
 

forms-bridge/addons/slack/class-slack-addon.php

@@ -0,0 +1,93 @@
+<?php
+/**
+ * Class Slack_Addon
+ *
+ * @package formsbridge
+ */
+
+namespace FORMS_BRIDGE;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit();
+}
+
+require_once 'class-slack-form-bridge.php';
+require_once 'hooks.php';
+
+/**
+ * Slack addon class.
+ */
+class Slack_Addon extends Addon {
+	/**
+	 * Holds the addon's title.
+	 *
+	 * @var string
+	 */
+	public const TITLE = 'Slack';
+
+	/**
+	 * Holds the addon's name.
+	 *
+	 * @var string
+	 */
+	public const NAME = 'slack';
+
+	/**
+	 * Holds the addon's custom bridge class.
+	 *
+	 * @var string
+	 */
+	public const BRIDGE = '\FORMS_BRIDGE\Slack_Form_Bridge';
+
+	/**
+	 * Performs a request against the backend to check the connexion status.
+	 *
+	 * @param string $backend Backend name.
+	 *
+	 * @return boolean
+	 */
+	public function ping( $backend ) {
+		$bridge = new Slack_Form_Bridge(
+			array(
+				'name'     => '__slack-' . time(),
+				'endpoint' => '/api/conversations.list',
+				'method'   => 'GET',
+				'backend'  => $backend,
+			)
+		);
+
+		$response = $bridge->submit();
+
+		if ( is_wp_error( $response ) ) {
+			Logger::log( 'Slack backend ping error response', Logger::ERROR );
+			Logger::log( $response, Logger::ERROR );
+			return false;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Performs a GET request against the backend endpoint and retrive the response data.
+	 *
+	 * @param string $endpoint API endpoint.
+	 * @param string $backend Backend name.
+	 *
+	 * @return array|WP_Error
+	 */
+	public function fetch( $endpoint, $backend ) {
+		$bridge = new Slack_Form_Bridge(
+			array(
+				'name'     => '__slack-' . time(),
+				'endpoint' => $endpoint,
+				'method'   => 'GET',
+				'backend'  => $backend,
+			),
+			'zulip'
+		);
+
+		return $bridge->submit();
+	}
+}
+
+Slack_Addon::setup();

forms-bridge/addons/slack/class-slack-form-bridge.php

@@ -0,0 +1,153 @@
+<?php
+/**
+ * Class Slack_Form_Bridge
+ *
+ * @package formsbridge
+ */
+
+namespace FORMS_BRIDGE;
+
+use FBAPI;
+use WP_Error;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit();
+}
+
+/**
+ * Form bridge implementation for the Slack API.
+ */
+class Slack_Form_Bridge extends Form_Bridge {
+	/**
+	 * Holdes the current HTTP request.
+	 *
+	 * @var array|null
+	 */
+	private static $request;
+
+	/**
+	 * Submits payload and attachments to the bridge's backend.
+	 *
+	 * @param array $payload Payload data.
+	 * @param array $attachments Submission's attached files.
+	 *
+	 * @return array|WP_Error Http request response.
+	 */
+	public function submit( $payload = array(), $attachments = array() ) {
+		$uploads = FBAPI::get_uploads();
+
+		if ( ! empty( $uploads ) ) {
+			$attachments = Forms_Bridge::attachments( $uploads );
+			$backend     = $this->backend();
+
+			foreach ( $attachments as $name => $path ) {
+				$info     = pathinfo( $path );
+				$filename = $info['basename'];
+
+				$response = $backend->post(
+					'/api/files.getUploadURLExternal',
+					array(
+						'length'   => filesize( $path ),
+						'filename' => $filename,
+					),
+					array(
+						'Content-Type' => 'application/x-www-form-urlencoded',
+					)
+				);
+
+				if ( is_wp_error( $response ) ) {
+					return $response;
+				}
+
+				if ( isset( $response['data']['error'] ) ) {
+					return new WP_Error( 'slack_upload', __( 'Can not upload a file to Slack', 'forms-bridge' ), $response['data'] );
+				}
+
+				$file_id    = $response['data']['file_id'];
+				$upload_url = $response['data']['upload_url'];
+
+				$response = http_bridge_post(
+					$upload_url,
+					file_get_contents( $path ),
+					array(
+						'Content-Type' => 'application/octet-stream',
+					),
+				);
+
+				if ( is_wp_error( $response ) ) {
+					return $response;
+				}
+
+				$attachments[ $name ] = $file_id;
+			}
+
+			$files = array();
+			foreach ( $attachments as $name => $file_id ) {
+				$files[] = array(
+					'id'    => $file_id,
+					'title' => $name,
+				);
+			}
+
+			$response = $backend->post(
+				'/api/files.completeUploadExternal',
+				array(
+					'files'      => wp_json_encode( $files ),
+					'channel_id' => $payload['channel'] ?? $payload['channel_id'] ?? null,
+				),
+				array(
+					'Content-Type' => 'application/x-www-form-urlencoded',
+				),
+			);
+
+			if ( is_wp_error( $response ) ) {
+				return $response;
+			}
+
+			if ( isset( $response['data']['error'] ) ) {
+				return new WP_Error( 'slack_upload', __( 'Can not upload a file to Slack', 'forms-bridge' ), $response['data'] );
+			}
+
+			$annex = "\n\n----\n" . esc_html( __( 'Attachments', 'forms-bridge' ) ) . ":\n";
+
+			foreach ( $response['data']['files'] as $upload ) {
+				$annex .= "* [{$upload['name']}]({$upload['permalink']})\n";
+			}
+
+			if ( isset( $payload['markdown_text'] ) ) {
+				$payload['markdown_text'] .= $annex;
+			} else {
+				$payload['text'] .= $annex;
+			}
+		}
+
+		add_filter(
+			'http_bridge_request',
+			static function ( $request ) {
+				self::$request = $request;
+				return $request;
+			},
+			10,
+			1
+		);
+
+		$response = parent::submit( $payload, array() );
+
+		if ( is_wp_error( $response ) ) {
+			return $response;
+		}
+
+		if ( isset( $response['data']['error'] ) ) {
+			return new WP_Error(
+				'slack_rpc_error',
+				'Slack bridge response error',
+				array(
+					'request'  => self::$request,
+					'response' => $response,
+				)
+			);
+		}
+
+		return $response;
+	}
+}