Add the jetpack_package_versions filter and the Package_Version_Track…

…er class.

Add the new Package_Version_Tracker class, which will obtain the package versions using
the package versions using the jetpack_package_versions filter.

projects/packages/backup/actions.php

@@ -14,3 +14,6 @@
 
 // Register REST routes.
 add_action( 'rest_api_init', array( 'Automattic\\Jetpack\\Backup\\REST_Controller', 'register_rest_routes' ) );
+
+// Set up package version hook.
+add_filter( 'jetpack_package_versions', 'Automattic\\Jetpack\\Backup\\Package_Version::send_package_version_to_tracker' );

projects/packages/backup/composer.json

@@ -48,6 +48,9 @@
 	"extra": {
 		"autotagger": true,
 		"mirror-repo": "Automattic/jetpack-backup",
+		"version-constants": {
+			"::PACKAGE_VERSION": "src/class-package-version.php"
+		},
 		"changelogger": {
 			"link-template": "https://github.com/Automattic/jetpack-backup/compare/v${old}...v${new}"
 		},

projects/packages/backup/src/class-package-version.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * The Package_Version class.
+ *
+ * @package automattic/jetpack-backup
+ */
+
+namespace Automattic\Jetpack\Backup;
+
+/**
+ * The Package_Version class.
+ */
+class Package_Version {
+
+	const PACKAGE_VERSION = '1.1.1-alpha';
+
+	const PACKAGE_SLUG = 'backup';
+
+	/**
+	 * Adds the package slug and version to the package version tracker's data.
+	 *
+	 * @param array $package_versions The package version array.
+	 *
+	 * @return array The packge version array.
+	 */
+	public static function send_package_version_to_tracker( $package_versions ) {
+		$package_versions[ self::PACKAGE_SLUG ] = self::PACKAGE_VERSION;
+		return $package_versions;
+	}
+}

projects/packages/connection/composer.json

@@ -57,6 +57,9 @@
 	"extra": {
 		"autotagger": true,
 		"mirror-repo": "Automattic/jetpack-connection",
+		"version-constants": {
+			"::PACKAGE_VERSION": "src/class-package-version.php"
+		},
 		"changelogger": {
 			"link-template": "https://github.com/Automattic/jetpack-connection/compare/v${old}...v${new}"
 		},

projects/packages/connection/src/class-manager.php

@@ -108,6 +108,11 @@ public static function configure() {
 		add_filter( 'jetpack_heartbeat_stats_array', array( $manager, 'add_stats_to_heartbeat' ) );
 
 		Webhooks::init( $manager );
+
+		add_filter( 'plugins_loaded', __NAMESPACE__ . '\Package_Version_Tracker::get_package_versions' );
+
+		// Set up package version hook.
+		add_filter( 'jetpack_package_versions', __NAMESPACE__ . '\Package_Version::send_package_version_to_tracker' );
 	}
 
 	/**

projects/packages/connection/src/class-package-version-tracker.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * The Package_Version_Tracker class.
+ *
+ * @package automattic/jetpack-connection
+ */
+
+namespace Automattic\Jetpack\Connection;
+
+/**
+ * The Package_Version_Tracker class.
+ */
+class Package_Version_Tracker {
+
+	/**
+	 * Uses the jetpack_package_versions filter to obtain the package versions from packages that need
+	 * version tracking.
+	 */
+	public static function get_package_versions() {
+		/**
+		 * Obtains the package versions.
+		 *
+		 * @since x.x.x
+		 *
+		 * @param array An associative array containing the package versions with the package slugs as the keys.
+		 */
+		$package_versions = apply_filters( 'jetpack_package_versions', array() );
+
+	}
+}

projects/packages/connection/src/class-package-version.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * The Package_Version class.
+ *
+ * @package automattic/jetpack-connection
+ */
+
+namespace Automattic\Jetpack\Connection;
+
+/**
+ * The Package_Version class.
+ */
+class Package_Version {
+
+	const PACKAGE_VERSION = '1.30.1-alpha';
+
+	const PACKAGE_SLUG = 'connection';
+
+	/**
+	 * Adds the package slug and version to the package version tracker's data.
+	 *
+	 * @param array $package_versions The package version array.
+	 *
+	 * @return array The packge version array.
+	 */
+	public static function send_package_version_to_tracker( $package_versions ) {
+		$package_versions[ self::PACKAGE_SLUG ] = self::PACKAGE_VERSION;
+		return $package_versions;
+	}
+}

projects/packages/sync/composer.json

@@ -51,6 +51,9 @@
 	"extra": {
 		"autotagger": true,
 		"mirror-repo": "Automattic/jetpack-sync",
+		"version-constants": {
+			"::PACKAGE_VERSION": "src/class-package-version.php"
+		},
 		"changelogger": {
 			"link-template": "https://github.com/Automattic/jetpack-sync/compare/v${old}...v${new}"
 		},

projects/packages/sync/src/class-main.php

@@ -36,6 +36,9 @@ public static function configure() {
 
 		// Initialize Identity Crisis.
 		add_action( 'plugins_loaded', array( 'Automattic\\Jetpack\\Identity_Crisis', 'init' ) );
+
+		// Set up package version hook.
+		add_filter( 'jetpack_package_versions', __NAMESPACE__ . '\Package_Version::send_package_version_to_tracker' );
 	}
 
 	/**

projects/packages/sync/src/class-package-version.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * The Package_Version class.
+ *
+ * @package automattic/jetpack-sync
+ */
+
+namespace Automattic\Jetpack\Sync;
+
+/**
+ * The Package_Version class.
+ */
+class Package_Version {
+
+	const PACKAGE_VERSION = '1.24.0-alpha';
+
+	const PACKAGE_SLUG = 'sync';
+
+	/**
+	 * Adds the package slug and version to the package version tracker's data.
+	 *
+	 * @param array $package_versions The package version array.
+	 *
+	 * @return array The packge version array.
+	 */
+	public static function send_package_version_to_tracker( $package_versions ) {
+		$package_versions[ self::PACKAGE_SLUG ] = self::PACKAGE_VERSION;
+		return $package_versions;
+	}
+}