settings.php

<?php

class Bullhorn_Settings {

	static $authorize;

	/**
	 * Bullhorn_Settings constructor.
	 */
	public function __construct() {

		add_filter( 'wp_bullhorn_settings', array( __CLASS__, 'get_settings' ) );

		//move this if to somewhere else, add admin check
		if ( isset( $_GET['sync'] ) && 'bullhorn' === $_GET['sync'] ) {
			add_action( 'admin_init', 'bullhorn_sync_now' );
		}

		add_action( 'admin_init', array( __CLASS__, 'init' ) );
		add_action( 'current_screen', array( __CLASS__, 'tasks' ) );

		if ( 'plugin' === Bullhorn_2_WP::$mode ) {
		    add_action( 'admin_menu', array( __CLASS__, 'menu' ) );
	    } else if ( 'wp-job-manager-addon' === Bullhorn_2_WP::$mode ) {
			add_action( 'job_manager_settings', array( 'Bullhorn_WP_Job_Manager_Addon', 'wp_job_manager_menu' ) );
		}
	}


	/**
	 *
	 */
	public static function tasks() {
		// If being redirected back to the site with a code, we need to auth
		// with the API and save the access_token.
		$currentScreen = get_current_screen();
		if ( 'settings_page_bullhorn' !== $currentScreen->id ) {
			return;
		}

		if ( isset( $_GET['code'] ) ) {
			self::authorize();
		}
		//if ( isset( $_GET['sync'] ) && 'bullhorn' === $_GET['sync'] ) {
		//	add_action( 'admin_init', 'bullhorn_sync' );
		//}
	}

	/**
	 * Sets up the plugin by adding the settings link on the GF Settings page
	 */
	public static function init() {

		$redirect_uri = self::get_api_redirect_uri();

		if ( isset( $_GET['sync'] ) && 'bullhorn' === $_GET['sync'] ) {
			wp_redirect( $redirect_uri );

		}

		register_setting( 'bullhorn_settings', 'bullhorn_settings', array( __CLASS__, 'validate' ) );

		add_settings_section( 'bullhorn_api', __( 'API Settings', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'api_settings' ), 'bullhornwp' );

		add_settings_field( 'client_id', __( 'Client ID', 'bullhorn' ), array( __CLASS__, 'client_id' ), 'bullhornwp', 'bullhorn_api' );
		add_settings_field( 'client_secret', __( 'Client Secret', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'client_secret' ), 'bullhornwp', 'bullhorn_api' );

		add_settings_field( 'client_corporation', __( 'Client Corporation', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'client_corporation' ), 'bullhornwp', 'bullhorn_api' );

		add_settings_field( 'listings_page', __( 'Job Listings page slug', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'listings_page' ), 'bullhornwp', 'bullhorn_api' );
		add_settings_field( 'form_page', __( 'Form Page or CV upload', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'form_page' ), 'bullhornwp', 'bullhorn_api' );
		add_settings_field( 'default_shortcode', __( 'Default form inputs', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'default_shortcode' ), 'bullhornwp', 'bullhorn_api' );


		add_settings_field( 'thanks_page', __( 'CV Thanks Page', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'thanks_page' ), 'bullhornwp', 'bullhorn_api' );
		add_settings_field( 'listings_sort', __( 'Listings Sort', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'listings_sort' ), 'bullhornwp', 'bullhorn_api' );
		add_settings_field( 'description_field', __( 'Description Field', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'description_field' ), 'bullhornwp', 'bullhorn_api' );


		add_settings_field( 'send_email', __( 'Email address for applications', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'send_email' ), 'bullhornwp', 'bullhorn_api' );

		add_settings_field( 'run_cron', __( 'Auto-sync', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'run_cron' ), 'bullhornwp', 'bullhorn_api' );
		add_settings_field( 'cron_error_email', __( 'Auto-sync Error Email', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'cron_error_email' ), 'bullhornwp', 'bullhorn_api' );

		add_settings_field( 'is_public', __( 'Filter isPublic', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'is_public' ), 'bullhornwp', 'bullhorn_api' );
		add_settings_field( 'mark_submitted', __( 'Mark Submitted', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), array( __CLASS__, 'mark_submitted' ), 'bullhornwp', 'bullhorn_api' );
	}

	/**
	 * Adds a link to the Bullhorn to the Settings menu
	 */
	public static function menu() {
		add_options_page( 'Bullhorn', __( 'Bullhorn', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), 'manage_options', 'bullhorn', array( __CLASS__, 'settings_page' ) );
	}

	/**
	 * @return array|bool
	 */
	public static function authorize() {

		// check for
		if ( null !== self::$authorize ) {
			return self::$authorize;
		}

		$settings = apply_filters( 'wp_bullhorn_settings', (array) get_option( 'bullhorn_settings' ) );

		if (
			isset( $settings['client_id'] ) and ! empty( $settings['client_id'] ) and
			                                    isset( $settings['client_secret'] ) and ! empty( $settings['client_secret'] ) and
			                                                                            isset( $_GET['code'] )
		) {
			$redirect_uri = self::get_api_redirect_uri();
			$url = add_query_arg(
				array(
					'grant_type'    => 'authorization_code',
					'code'          => $_GET['code'],
					'client_id'     => $settings['client_id'],
					'client_secret' => $settings['client_secret'],
					'redirect_uri'  => $redirect_uri,
				), 'https://auth.bullhornstaffing.com/oauth/token'
			);

			$response = wp_remote_post( $url, array( 'timeout' => 30 ) );
			if( is_wp_error( $response ) ) {

				wp_die( __( 'Callback to Bullhorn API failed. Please retry.', 'bh-staffing-job-listing-and-cv-upload-for-wp' ) );
			}
			$body     = json_decode( $response['body'], true );

			if ( isset( $body['error_description'] ) ) {
				return $body;
			}
			if ( isset( $body['access_token'] ) ) {
				$body['last_refreshed'] = time();
				update_option( 'bullhorn_api_access', $body );
				self::$authorize = true;

				return true;
			}
		}

		return false;
	}

	/**
	 * Callback for the API settings section, which is left blank
	 */
	public static function api_settings() {
		if ( ! isset( $_GET['code'] ) ) {

			return;
		}

		if ( true === self::authorize() ) {
			echo '<div class="updated"><p>' . __( 'You have successfully connected to Bullhorn.', 'bh-staffing-job-listing-and-cv-upload-for-wp' ) . '</p></div>';
		} elseif ( isset( $body['error_description'] ) ) {
			echo '<div class="error"><p><strong>' . __( 'Bullhorn Error:', 'bh-staffing-job-listing-and-cv-upload-for-wp' ) . '</strong> ' . esc_html( $body['error_description'] ) . '</p></div>';
		}
	}

	/**
	 * Displays the API key settings field
	 */
	public static function client_id() {
		$settings = (array) get_option( 'bullhorn_settings' );
		if ( isset( $settings['client_id'] ) ) {
			$client_id = $settings['client_id'];
		} else {
			$client_id = null;
		}
		echo '<input type="text" size="40" name="bullhorn_settings[client_id]" value="' . esc_attr( $client_id ) . '" />';

	}

	/**
	 * Displays the API key settings field
	 */
	public static function client_secret() {
		$settings = (array) get_option( 'bullhorn_settings' );
		if ( isset( $settings['client_secret'] ) ) {
			$client_secret = $settings['client_secret'];
		} else {
			$client_secret = null;
		}
		echo '<input type="text" size="40" name="bullhorn_settings[client_secret]" value="' . esc_attr( $client_secret ) . '" />';

		if ( isset( $settings['client_id'] ) ) {
			$state_string = __( 'not ready', 'bh-staffing-job-listing-and-cv-upload-for-wp' );
			if ( self::authorized() ) {
				$state_string = __( 'Re-connect to Bullhorn', 'bh-staffing-job-listing-and-cv-upload-for-wp' );
			} elseif ( self::connected() ) {
				$state_string = __( 'Connect to Bullhorn', 'bh-staffing-job-listing-and-cv-upload-for-wp' );
			}
			$redirect_uri = self::get_api_redirect_uri();
			$url = add_query_arg(
				array(
					'client_id'     => $settings['client_id'],
					'response_type' => 'code',
					'redirect_uri'  => $redirect_uri,
				),
				'auth.bullhornstaffing.com/oauth/authorize'
			);

			printf( '<a class="button" href="https://%s">%s</a>', $url, esc_html( $state_string ) );
		} else {
			printf( ' <strong> %s</strong>', __( 'Enter Your Client Id and Secret', 'bh-staffing-job-listing-and-cv-upload-for-wp' ) );
		}
		printf( '<br><span class="description">' .
		     __(
			     'Note: You will have to ask Bullhorn support to add this URL "%s" to your API white list for this to work. (see the plugin install notes for more info)',
			     'bh-staffing-job-listing-and-cv-upload-for-wp'
		     ) . '</span>', admin_url( 'options-general.php?page=bullhorn' ) );
	}

	/**
	 * Displays the settings field for picking the client corporation.
	 */
	public static function client_corporation() {
		$settings = (array) get_option( 'bullhorn_settings' );
		if ( isset( $settings['client_corporation'] ) ) {
			$client_corporation = $settings['client_corporation'];
		} else {
			$client_corporation = null;
		}
		echo '<input type="text" size="40" name="bullhorn_settings[client_corporation]" value="' . esc_attr( $client_corporation ) . '" />';
		echo '<br><span class="description">' . __( 'This field is optional, but will filter the jobs retreived from Bullhorn to only those listed under a specific Client Corporation. This must be the ID of the corporation. Leave blank to sync all job listings.', 'bh-staffing-job-listing-and-cv-upload-for-wp' ) . '</span>';
	}

	public static function send_email() {
		$settings = (array) get_option( 'bullhorn_settings' );
		if ( isset( $settings['send_email'] ) ) {
			$client_corporation = $settings['send_email'];
		} else {
			$client_corporation = null;
		}
		echo '<input type="text" size="40" name="bullhorn_settings[send_email]" value="' . esc_attr( $client_corporation ) . '" />';
		echo '<br><span class="description">' . __( 'This field is optional, but if set, you will get a copy of the application sent to the email provided.', 'bh-staffing-job-listing-and-cv-upload-for-wp' ) . '</span>';
	}
	/**
	 * Displays the job listings page settings field.
	 */
	public static function listings_page() {
		$settings = (array) get_option( 'bullhorn_settings' );
		if ( isset( $settings['listings_page'] ) ) {
			$listings_page = $settings['listings_page'];
		} else {
			$listings_page = null;
		}

		echo '<input type="text" size="40" name="bullhorn_settings[listings_page]" value="' . esc_attr( $listings_page ) . '" placeholder="' . Bullhorn_2_WP::$post_type_job_listing . '" />';
		echo '<br><span class="description">' . __( 'This field is optional, but changing it will adjust the URL of the job listing pages from "' . Bullhorn_2_WP::$post_type_job_listing . '" to the set value. You must run the sync after changing this as it changes the Custom Post Slug.', 'bh-staffing-job-listing-and-cv-upload-for-wp' ) . '</span>';
	}

	/**
	 * Displays the job listings page settings field.
	 */
	public static function thanks_page() {
		$settings = (array) get_option( 'bullhorn_settings' );
		if ( isset( $settings['thanks_page'] ) ) {
			$thanks_page = $settings['thanks_page'];
		} else {
			$thanks_page = null;
		}

		wp_dropdown_pages( array(
			'name'             => 'bullhorn_settings[thanks_page]',
			'selected'         => $thanks_page,
			'show_option_none' => __( 'Select a page...', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
		) );
	}

	/**
	 * Displays the job listings page settings field.
	 */
	public static function form_page() {
		$settings = (array) get_option( 'bullhorn_settings' );
		if ( isset( $settings['form_page'] ) ) {
			$form_page = $settings['form_page'];
		} else {
			$form_page = null;
		}

		wp_dropdown_pages( array(
			'name'             => 'bullhorn_settings[form_page]',
			'selected'         => $form_page,
			'show_option_none' => __( 'Use CV upload form', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
		) );
	}


	/**
	 * Displays the job listings page settings field.
	 */
	public static function default_shortcode() {
		$settings          = (array) get_option( 'bullhorn_settings' );
		$default_shortcode = array( 'name', 'email', 'phone', 'cv' );

		if ( isset( $settings['default_shortcode'] ) ) {
			$default_shortcode = $settings['default_shortcode'];
		}

		$sorts = array(
			'name'    => __( 'Name', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'email'   => __( 'Email', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'phone'   => __( 'Phone', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'address' => __( 'Address', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'message' => __( 'Message saved as Note', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'cv' => __( 'Resume file upload', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
		);

		foreach ( $sorts as $value => $name ) {
			$checked = in_array( $value, $default_shortcode );
			printf( '<label for="%1$s">%2$s&nbsp;<input name="bullhorn_settings[default_shortcode][]" id="%1$s" value="%1$s" type="checkbox" %3$s>&nbsp;</label>',
				esc_attr( $value ),
				esc_attr( $name ),
				checked( $checked, true, false )
			);
		}

	}

	/**
	 * Displays the job listings page settings field.
	 */
	public static function is_public() {
		$settings  = (array) get_option( 'bullhorn_settings' );
		$is_public = 'true';

		if ( isset( $settings['is_public'] ) ) {
			$is_public = $settings['is_public'];
		}

		$sorts = array(
			'true'  => __( 'On', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'false' => __( 'Off', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
		);

		foreach ( $sorts as $value => $name ) {
			printf( '<label for="%1$s">%2$s&nbsp;<input name="bullhorn_settings[is_public]" id="%1$s" value="%1$s" type="radio" %3$s>&nbsp;</label>',
				esc_attr( $value ),
				esc_attr( $name ),
				checked( $is_public, $value, false )
			);
		}
		echo '<br><span class="description">' . esc_html__( 'By Default the isPublic field is hidden in Vacancy by default if no job as syniced try set to this to false.
						To show the field the steps are : Fields Mapping Vacancy isPublic, uncheck "hidden"  .', 'bh-staffing-job-listing-and-cv-upload-for-wp' ) . '</span>';


	}

	/**
	 * Displays the job listings page settings field.
	 */
	public static function mark_submitted() {
		$settings  = (array) get_option( 'bullhorn_settings' );
		$mark_submitted = 'true';

		if ( isset( $settings['mark_submitted'] ) ) {
			$mark_submitted = $settings['mark_submitted'];
		}

		$sorts = array(
			'true'  => __( 'Submitted', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'false' => __( 'New Lead', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
		);

		foreach ( $sorts as $value => $name ) {
			printf( '<label for="%1$s">%2$s&nbsp;<input name="bullhorn_settings[mark_submitted]" id="%1$s" value="%1$s" type="radio" %3$s>&nbsp;</label>',
				esc_attr( $value ),
				esc_attr( $name ),
				checked( $mark_submitted, $value, false )
			);
		}
		echo '<br><span class="description">' . esc_html__( 'Choose if to mark a submission to a job as "Submitted" or as "New Lead".', 'bh-staffing-job-listing-and-cv-upload-for-wp' ) . '</span>';


	}
	/**
	 * Displays the job listings page settings field.
	 */
	public static function run_cron() {
		$settings = (array) get_option( 'bullhorn_settings' );
		$run_cron = 'false';

		if ( isset( $settings['run_cron'] ) ) {
			$run_cron = $settings['run_cron'];
		}

		$sorts = array(
			'true'  => __( 'On', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'false' => __( 'Off', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
		);

		foreach ( $sorts as $value => $name ) {
			printf( '<label for="%1$s">%2$s&nbsp;<input name="bullhorn_settings[run_cron]" id="%1$s" value="%1$s" type="radio" %3$s>&nbsp;</label>',
				esc_attr( $value ),
				esc_attr( $name ),
				checked( $run_cron, $value, false )
			);
		}
		echo '<br><span class="description">' . __( 'Fetch Jobs from Bullhorn every hour or using the manual sync button below ( shows once you have connected to Bullhorn ).', 'bh-staffing-job-listing-and-cv-upload-for-wp' ) . '</span>';
	}

	/**
	 * Displays the job listings page settings field.
	 */
	public static function cron_error_email() {
		$settings = (array) get_option( 'bullhorn_settings' );
		$cron_error_email = 'true';

		if ( isset( $settings['cron_error_email'] ) ) {
			$cron_error_email = $settings['cron_error_email'];
		}

		$sorts = array(
			'true'  => __( 'On', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'false' => __( 'Off', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
		);

		foreach ( $sorts as $value => $name ) {
			printf( '<label for="%1$s">%2$s&nbsp;<input name="bullhorn_settings[cron_error_email]" id="%1$s" value="%1$s" type="radio" %3$s>&nbsp;</label>',
				esc_attr( $value ),
				esc_attr( $name ),
				checked( $cron_error_email, $value, false )
			);
		}
		echo '<br><span class="description">' . __( 'Send an Email to the WP admin email address if the synic errors.', 'bh-staffing-job-listing-and-cv-upload-for-wp' ) . '</span>';
	}
	/**
	 * Displays the job listings sort settings field.
	 */
	public static function listings_sort() {
		$settings      = (array) get_option( 'bullhorn_settings' );
		$listings_sort = null;
		if ( isset( $settings['listings_sort'] ) ) {
			$listings_sort = $settings['listings_sort'];
		}

		$sorts = array(
			'date'            => __( 'Date', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'employment-type' => __( 'Employment Type', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'name'            => __( 'Name', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
			'state'           => __( 'State', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
		);

		echo '<select name="bullhorn_settings[listings_sort]">';
		echo '<option value="">Select a field to sort by...</option>';
		foreach ( $sorts as $value => $name ) {
			$selected = selected( $listings_sort, $value, false );
			echo '<option value="' . $value . '"' . $selected . '>' . $name . '</option>';
		}
		echo '</select>';
	}

	/**
	 * Displays the description field settings field.
	 */
	public static function description_field() {
		$settings = (array) get_option( 'bullhorn_settings' );
		if ( isset( $settings['description_field'] ) ) {
			$description_field = $settings['description_field'];
		} else {
			$description_field = 'description';
		}

		$fields = array(
			'description'       => 'Description (default)',
			'publicDescription' => __( 'Public Description', 'bh-staffing-job-listing-and-cv-upload-for-wp' ),
		);

		echo '<select name="bullhorn_settings[description_field]">';
		echo '<option value="">Select the description field to use...</option>';
		foreach ( $fields as $value => $name ) {
			$selected = ( $description_field === $value ) ? ' selected="selected"' : '';
			echo '<option value="' . $value . '"' . $selected . '>' . $name . '</option>';
		}
		echo '</select>';
	}

	/**
	 * Validates the user input
	 *
	 * @param array $input POST data
	 *
	 * @return array        Sanitized POST data
	 */
	public static function validate( $input ) {
		$input['client_id']         = esc_html( $input['client_id'] );
		$input['client_secret']     = esc_html( $input['client_secret'] );
		$input['listings_page']     = esc_html( $input['listings_page'] );
		$input['form_page']         = intval( $input['form_page'] );
		$input['listings_sort']     = esc_html( $input['listings_sort'] );
		$input['description_field'] = esc_html( $input['description_field'] );
		$input['thanks_page']       = intval( $input['thanks_page'] );
		$input['run_cron']          = esc_attr( $input['run_cron'] );
		$input['cron_error_email']  = esc_attr( $input['cron_error_email'] );
		$input['is_public']         = esc_attr( $input['is_public'] );
		$input['send_email']        = sanitize_email( $input['send_email'] );

		// Since the listings page has probably been updated, we need to flush
		// the rewrite rules for the site.
		flush_rewrite_rules();

		return $input;
	}

	/**
	 * Output the main settings page with the title and form
	 */
	public static function settings_page() {
		?>
		<div class="wrap">
			<div id="icon-options-general" class="icon32"><br></div>
			<h2>Bullhorn Developer</h2>
			<form method="post" action="<?php echo admin_url( 'options.php' ); ?>">
				<?php settings_fields( 'bullhorn_settings' ); ?>
				<?php do_settings_sections( 'bullhornwp' ); ?>
				<p class="submit">
					<?php submit_button( __( 'Save Changes', 'bh-staffing-job-listing-and-cv-upload-for-wp' ), 'primary', 'submit', false ); ?>
					<?php
					if ( self::authorized() ) {
						printf( '<a href="%s" class="button">%s</a>',
							admin_url( 'options-general.php?page=bullhorn&sync=bullhorn' ),
							__( 'Sync Now', 'bh-staffing-job-listing-and-cv-upload-for-wp' )
						);
					}
					?>
				</p>
			</form>
		</div>
		<?php
	}

	/**
	 * Determines if we are authorized to Bullhorn (have an API access token).
	 *
	 * @return boolean
	 */
	public static function authorized() {
		$settings = get_option( 'bullhorn_api_access' );

		return ( $settings and isset( $settings['access_token'] ) );
	}

	/**
	 * Determines if we are connected to Bullhorn (which means that the client
	 * ID and secret have been entered).
	 *
	 * @return boolean
	 */
	public static function connected() {
		$settings = get_option( 'bullhorn_settings' );

		return (
			isset( $settings['client_id'] ) and
			! empty( $settings['client_id'] ) and
			isset( $settings['client_secret'] ) and
			! empty( $settings['client_secret'] )
		);
	}

	public static function get_settings( $settings ) {

		if ( 'wp-job-manager-addon' === Bullhorn_2_WP::$mode ) {
			$settings['client_id'] = get_option( 'job_manager_bullhorn_client_id' );
			$settings['client_secret'] = get_option( 'job_manager_bullhorn_client_secret' );
			$settings['client_corporation'] = get_option( 'job_manager_bullhorn_client_corporation' );
			$settings['is_public'] = get_option( 'job_manager_bullhorn_cron_is_public' );
		}

		return $settings;
	}

	public static function get_api_redirect_uri() {

		if ( 'wp-job-manager-addon' === Bullhorn_2_WP::$mode ) {
			$redirect_uri = admin_url( 'edit.php?post_type=job_listing&page=job-manager-settings#settings-bullhorn' );
		} else {
			$redirect_uri = admin_url( 'options-general.php?page=bullhorn' );
		}

		return $redirect_uri;
	}
}