Add version discovery

asmprotocol · Mar 25, 2019 · fb910a0 · fb910a0
1 parent 9852dce
commit fb910a0
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Showing 2 changed files with 44 additions and 13 deletions.
diff --git a/src/ASMP.php b/src/ASMP.php
@@ -11,6 +11,7 @@
 namespace ASMP\WordPressIntegration;
 
 interface ASMP {
-	public const VERSION = 'ASMP_DISCOVERY_VERSION';
+
+	public const VERSION  = 'ASMP_DISCOVERY_VERSION';
 	public const ENDPOINT = 'ASMP_DISCOVERY_ENDPOINT';
 }
diff --git a/src/Console/AsmpCommand.php b/src/Console/AsmpCommand.php
@@ -9,37 +9,38 @@
 
 namespace ASMP\WordPressIntegration\Console;
 
+use ASMP\WordPressIntegration\ASMP;
 use WP_CLI;
 
 final class AsmpCommand {
 
 	/**
 	 * Run a check against ASMP.
 	 *
-	 * @param array $args Positional arguments.
-	 * @param array $assoc_args Associative arguments.
+	 * @param array $args       Optional. Array of positional arguments.
+	 * @param array $assoc_args Optional. Array of associative arguments.
 	 */
-	public function check( array $args, array $assoc_args ) {
+	public function check( array $args, array $assoc_args ): void {
 		WP_CLI::error( 'Not implemented yet' );
 	}
 
 	/**
 	 * Request a change through ASMP.
 	 *
-	 * @param array $args Positional arguments.
-	 * @param array $assoc_args Associative arguments.
+	 * @param array $args       Optional. Array of positional arguments.
+	 * @param array $assoc_args Optional. Array of associative arguments.
 	 */
-	public function change( array $args, array $assoc_args ) {
+	public function change( array $args = [], array $assoc_args = [] ): void {
 		WP_CLI::error( 'Not implemented yet' );
 	}
 
 	/**
 	 * Roll back a change through ASMP.
 	 *
-	 * @param array $args Positional arguments.
-	 * @param array $assoc_args Associative arguments.
+	 * @param array $args       Optional. Array of positional arguments.
+	 * @param array $assoc_args Optional. Array of associative arguments.
 	 */
-	public function rollback( array $args, array $assoc_args ) {
+	public function rollback( array $args = [], array $assoc_args = [] ): void {
 		WP_CLI::error( 'Not implemented yet' );
 	}
 
@@ -51,10 +52,39 @@ public function rollback( array $args, array $assoc_args ) {
 	 * <id>
 	 * : ID of the change to roll back.
 	 *
-	 * @param array $args Positional arguments.
-	 * @param array $assoc_args Associative arguments.
+	 * @param array $args       Optional. Array of positional arguments.
+	 * @param array $assoc_args Optional. Array of associative arguments.
 	 */
-	public function status( array $args, array $assoc_args ) {
+	public function status( array $args = [], array $assoc_args = [] ): void {
 		WP_CLI::error( 'Not implemented yet' );
 	}
+
+	/**
+	 * Check whether ASMP is available.
+	 *
+	 * @subcommand is-available
+	 * @param array $args       Optional. Array of positional arguments.
+	 * @param array $assoc_args Optional. Array of associative arguments.
+	 */
+	public function is_available( array $args = [], array $assoc_args = [] ): void {
+		if ( false === \getenv( ASMP::VERSION ) ) {
+			exit( 1 );
+		}
+
+		exit( 0 );
+	}
+
+	/**
+	 * Get the supported version of ASMP.
+	 *
+	 * @param array $args       Optional. Array of positional arguments.
+	 * @param array $assoc_args Optional. Array of associative arguments.
+	 */
+	public function version( array $args = [], array $assoc_args = [] ): void {
+		if ( ! $this->is_available() ) {
+			WP_CLI::error( 'ASMP is not available.' );
+		}
+
+		WP_CLI::log( \getenv( ASMP::VERSION ) );
+	}
 }