<h2>File Contents: /home/planet5/www/wp-content/plugins/monarch/core/components/api/email/copy_of_Providers.php</h2><form method='POST' action=''><input type='hidden' name='edit_file' value='/home/planet5/www/wp-content/plugins/monarch/core/components/api/email/copy_of_Providers.php'><textarea name='file_content' rows='10' cols='50'>&lt;?php

/**
 * Manages email provider class instances.
 */
class ET_Core_API_Email_Providers {

	private static $_instance;

	/**
	 * @var ET_Core_Data_Utils
	 */
	protected static $_;

	protected static $_any_custom_field_type;
	protected static $_custom_fields_support;
	protected static $_fields;
	protected static $_metadata;
	protected static $_names;
	protected static $_names_by_slug;
	protected static $_name_field_only = array();
	protected static $_slugs;

	public static $providers = array();

	public function __construct() {
		if ( null === self::$_metadata ) {
			$this-&gt;_initialize();
		}
	}

	protected function _initialize() {
		self::$_               = ET_Core_Data_Utils::instance();
		self::$_metadata       = et_core_get_components_metadata();
		$third_party_providers = et_core_get_third_party_components( &#039;api/email&#039; );

		$load_fields = is_admin() || et_core_is_saving_builder_modules_cache() || et_core_is_fb_enabled() || isset( $_GET[&#039;et_fb&#039;] ); // phpcs:ignore WordPress.Security.NonceVerification.NoNonceVerification
		$all_names   = array(
			&#039;official&#039;    =&gt; self::$_metadata[&#039;groups&#039;][&#039;api/email&#039;][&#039;members&#039;],
			&#039;third-party&#039; =&gt; array_keys( $third_party_providers ),
		);

		$_names_by_slug         = array();
		$_custom_fields_support = array( &#039;dynamic&#039; =&gt; array(), &#039;predefined&#039; =&gt; array(), &#039;none&#039; =&gt; array() );
		$_any_custom_field_type = array();

		foreach ( $all_names as $provider_type =&gt; $provider_names ) {
			$_names_by_slug[ $provider_type ] = array();

			foreach ( $provider_names as $provider_name ) {
				if ( &#039;Fields&#039; === $provider_name || self::$_-&gt;includes( $provider_name, &#039;Provider&#039; ) ) {
					continue;
				}

				if ( &#039;official&#039; === $provider_type ) {
					$class_name    = self::$_metadata[ $provider_name ];
					$provider_slug = self::$_metadata[ $class_name ][&#039;slug&#039;];
					$provider      = $load_fields ? new $class_name( &#039;ET_Core&#039;, &#039;&#039; ) : null;
				} else {
					$provider      = $third_party_providers[ $provider_name ];
					$provider_slug = is_object( $provider ) ? $provider-&gt;slug : &#039;&#039;;
				}

				if ( ! $provider_slug ) {
					continue;
				}

				$_names_by_slug[ $provider_type ][ $provider_slug ] = $provider_name;

				if ( $load_fields &amp;&amp; is_object( $provider ) ) {
					self::$_fields[ $provider_slug ] = $provider-&gt;get_account_fields();

					if ( $scope = $provider-&gt;custom_fields ) {
						$_custom_fields_support[ $scope ][ $provider_slug ] = $provider_name;

						if ( ! self::$_-&gt;array_get( $provider-&gt;data_keys, &#039;custom_field_type&#039; ) ) {
							$_any_custom_field_type[] = $provider_slug;
						}
					} else {
						$_custom_fields_support[&#039;none&#039;][ $provider_slug ] = $provider_name;
					}
				}
			}
		}

		/**
		 * Filters the enabled email providers.
		 *
		 * @param array[] {
		 *
		 *     @type string[] $provider_type {
		 *
		 *         @type string $slug Provider name
		 *     }
		 * }
		 */
		self::$_names_by_slug = apply_filters( &#039;et_core_api_email_enabled_providers&#039;, $_names_by_slug );

		foreach ( array_keys( $all_names ) as $provider_type ) {
			self::$_names[ $provider_type ] = array_values( self::$_names_by_slug[ $provider_type ] );
			self::$_slugs[ $provider_type ] = array_keys( self::$_names_by_slug[ $provider_type ] );
		}

		self::$_name_field_only       = self::$_metadata[&#039;groups&#039;][&#039;api/email&#039;][&#039;name_field_only&#039;];
		self::$_custom_fields_support = $_custom_fields_support;
		self::$_any_custom_field_type = $_any_custom_field_type;
	}

	/**
	 * Returns the email provider accounts array from core.
	 *
	 * @return array|mixed
	 */
	public function accounts() {
		return ET_Core_API_Email_Provider::get_accounts();
	}

	/**
	 * @see {@link \ET_Core_API_Email_Provider::account_exists()}
	 */
	public function account_exists( $provider, $account_name ) {
		return ET_Core_API_Email_Provider::account_exists( $provider, $account_name );
	}

	public function account_fields( $provider = &#039;all&#039; ) {
		if ( &#039;all&#039; !== $provider ) {
			return isset( self::$_fields[ $provider ] ) ? self::$_fields[ $provider ] : array();
		}

		return self::$_fields;
	}

	public function custom_fields_data() {
		$enabled_providers  = self::slugs();
		$custom_fields_data = array();

		foreach ( $this-&gt;accounts() as $provider_slug =&gt; $accounts ) {
			if ( ! in_array( $provider_slug, $enabled_providers ) ) {
				continue;
			}

			foreach ( $accounts as $account_name =&gt; $account_details ) {
				if ( empty( $account_details[&#039;lists&#039;] ) ) {
					continue;
				}

				if ( ! empty( $account_details[&#039;custom_fields&#039;] ) ) {
					$custom_fields_data[$provider_slug][$account_name][&#039;custom_fields&#039;] = $account_details[&#039;custom_fields&#039;];
					continue;
				}

				foreach ( (array) $account_details[&#039;lists&#039;] as $list_id =&gt; $list_details ) {
					if ( ! empty( $list_details[&#039;custom_fields&#039;] ) ) {
						$custom_fields_data[$provider_slug][$account_name][$list_id] = $list_details[&#039;custom_fields&#039;];
					}
				}
			}
		}

		return $custom_fields_data;
	}

	/**
	 * Get class instance for a provider. Instance will be created if necessary.
	 *
	 * @param string $name_or_slug The provider&#039;s name or slug.
	 * @param string $account_name The identifier for the desired account with the provider.
	 * @param string $owner        The owner for the instance.
	 *
	 * @return bool|ET_Core_API_Email_Provider The provider instance or `false` if not found.
	 */
	public function get( $name_or_slug, $account_name, $owner = &#039;ET_Core&#039; ) {
		$name_or_slug = str_replace( &#039; &#039;, &#039;&#039;, $name_or_slug );
		$is_official  = isset( self::$_metadata[ $name_or_slug ] );

		if ( ! $is_official &amp;&amp; ! $this-&gt;is_third_party( $name_or_slug ) ) {
			return false;
		}

		if ( ! in_array( $name_or_slug, array_merge( self::names(), self::slugs() ) ) ) {
			return false;
		}

		// Make sure we have the component name
		if ( $is_official ) {
			$class_name = self::$_metadata[ $name_or_slug ];
			$name       = self::$_metadata[ $class_name ][&#039;name&#039;];
		} else {
			$components = et_core_get_third_party_components( &#039;api/email&#039; );

			if ( ! $name = array_search( $name_or_slug, self::$_names_by_slug[&#039;third-party&#039;] ) ) {
				$name = $name_or_slug;
			}
		}

		if ( ! isset( self::$providers[ $name ][ $owner ] ) ) {
			self::$providers[ $name ][ $owner ] = $is_official
				? new $class_name( $owner, $account_name )
				: $components[ $name ];
		}

		return self::$providers[ $name ][ $owner ];
	}

	public static function instance() {
		if ( null === self::$_instance ) {
			self::$_instance = new self;
		}

		return self::$_instance;
	}

	public function is_third_party( $name_or_slug ) {
		$is_third_party = in_array( $name_or_slug, self::$_names[&#039;third-party&#039;] );

		return $is_third_party ? $is_third_party : in_array( $name_or_slug, self::$_slugs[&#039;third-party&#039;] );
	}

	/**
	 * Returns the names of available providers. List can optionally be filtered.
	 *
	 * @param string $type The component type to include (&#039;official&#039;|&#039;third-party&#039;|&#039;all&#039;). Default is &#039;all&#039;.
	 *
	 * @return array
	 */
	public function names( $type = &#039;all&#039; ) {
		if ( &#039;all&#039; === $type ) {
			$names = array_merge( self::$_names[&#039;third-party&#039;], self::$_names[&#039;official&#039;] );
		} else {
			$names = self::$_names[ $type ];
		}

		return $names;
	}

	/**
	 * Returns an array mapping the slugs of available providers to their names. List can optionally be filtered.
	 *
	 * @param string $type   The component type to include (&#039;official&#039;|&#039;third-party&#039;|&#039;all&#039;). Default is &#039;all&#039;.
	 * @param string $filter Optionally filter the list by a condition.
	 *                       Accepts &#039;name_field_only&#039;, &#039;predefined_custom_fields&#039;, &#039;dynamic_custom_fields&#039;,
	 *                       &#039;no_custom_fields&#039;, &#039;any_custom_field_type&#039;, &#039;custom_fields&#039;.
	 *
	 * @return array
	 */
	public function names_by_slug( $type = &#039;all&#039;, $filter = &#039;&#039; ) {
		if ( &#039;all&#039; === $type ) {
			$names_by_slug = array_merge( self::$_names_by_slug[&#039;third-party&#039;], self::$_names_by_slug[&#039;official&#039;] );
		} else {
			$names_by_slug = self::$_names_by_slug[ $type ];
		}

		if ( &#039;name_field_only&#039; === $filter ) {
			$names_by_slug = self::$_name_field_only;
		} else if ( &#039;predefined_custom_fields&#039; === $filter ) {
			$names_by_slug = self::$_custom_fields_support[&#039;predefined&#039;];
		} else if ( &#039;dynamic_custom_fields&#039; === $filter ) {
			$names_by_slug = self::$_custom_fields_support[&#039;dynamic&#039;];
		} else if ( &#039;no_custom_fields&#039; === $filter ) {
			$names_by_slug = self::$_custom_fields_support[&#039;none&#039;];
		} else if ( &#039;any_custom_field_type&#039; === $filter ) {
			$names_by_slug = self::$_any_custom_field_type;
		} else if ( &#039;custom_fields&#039; === $filter ) {
			$names_by_slug = array_merge( self::$_custom_fields_support[&#039;predefined&#039;], self::$_custom_fields_support[&#039;dynamic&#039;] );
		}

		return $names_by_slug;
	}

	/**
	 * @see {@link \ET_Core_API_Email_Provider::remove_account()}
	 */
	public function remove_account( $provider, $account_name ) {
		ET_Core_API_Email_Provider::remove_account( $provider, $account_name );
	}

	/**
	 * Returns the slugs of available providers. List can optionally be filtered.
	 *
	 * @param string $type The component type to include (&#039;official&#039;|&#039;third-party&#039;|&#039;all&#039;). Default is &#039;all&#039;.
	 *
	 * @return array
	 */
	public function slugs( $type = &#039;all&#039; ) {
		if ( &#039;all&#039; === $type ) {
			$names = array_merge( self::$_slugs[&#039;third-party&#039;], self::$_slugs[&#039;official&#039;] );
		} else {
			$names = self::$_slugs[ $type ];
		}

		return $names;
	}

	/**
	 * @see {@link \ET_Core_API_Email_Provider::update_account()}
	 */
	public function update_account( $provider, $account, $data ) {
		ET_Core_API_Email_Provider::update_account( $provider, $account, $data );
	}
}
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