WPBO_MailChimp - Code Metrics - ThemeAvenue/BetterOptin - Measure and Improve Code Quality continuously with Scrutinizer

WPBO_MailChimp B
last analyzed 2016-05-12 10:36 UTC

↳ Parent: Project

Complexity

Total Complexity

Size/Duplication

Total Lines	389
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes	2
Bugs	0	Features	1

Metric	Value
wmc	43
c	2
b	0
f	1
lcom	1
cbo	1
dl	0
loc	389
rs	8.3157

12 Methods

Rating	Name	Size	Complexity
A	instance()	14	3
A	__clone()	4	1
A	__wakeup()	4	1
A	setup_options()	8	1
A	load_mailchimp_api_wrapper()	10	2
B	submit()	17	6
A	is_mailchimp_ready()	9	3
A	clean_fields()	21	4
C	subscribe()	72	7
A	get_lists()	14	2
C	get_groups()	44	7
B	has_groups()	17	6

How to fix Complexity

<?php
/**
 * BetterOptin Provider MailChimp
 *
 * @package   BetterOptin/Provider/MailChimp
 * @author    ThemeAvenue <[email protected]>
 * @license   GPL-2.0+
 * @link      http://themeavenue.net
 * @copyright 2015 ThemeAvenue
 */

// If this file is called directly, abort.
if ( ! defined( 'WPINC' ) ) {
	die;
}

final class WPBO_MailChimp {

	/**
	 * @var WPBO_MailChimp $instance Holds the unique instance of the MailChimp provider
	 * @since 2.0
	 */
	private static $instance;

	/**
	 * @var string MailChimp API key
	 * @since 1.0
	 */
	private static $api_key;

	/**
	 * @var string MailChimp list ID
	 * @since 1.0
	 */
	private static $list_id;

	/**
	 * @var bool Whether or not to use double optin for new subscribers
	 * @since 1.0
	 */
	private static $double_optin;

	/**
	 * @var bool Whether to update existing contacts or add new
	 * @since 1.0
	 */
	private static $update;

	/**
	 * @var bool Whether or not to send the welcome message to new subscribers
	 * @since 1.0
	 */
	private static $welcome;

	/**
	 * @var array A list of allowed fields to be passed to MailChimp
	 * @since 1.0
	 */
	private static $fields;

	/**
	 * Instantiate and return the unique BetterOptin object
	 *
	 * @since     2.0
	 * @return object BetterOptin Unique instance of BetterOptin
	 */
	public static function instance() {

		if ( ! isset( self::$instance ) && ! ( self::$instance instanceof WPBO_MailChimp ) ) {

			// Instantiate
			self::$instance = new WPBO_MailChimp;
			self::$instance->setup_options();
			self::$instance->load_mailchimp_api_wrapper();

		}

		return self::$instance;

	}

	/**
	 * Throw error on object clone
	 *
	 * The whole idea of the singleton design pattern is that there is a single
	 * object therefore, we don't want the object to be cloned.
	 *
	 * @since 2.0
	 * @return void
	 */
	public function __clone() {
		// Cloning instances of the class is forbidden
		_doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'wpas' ), '2.0' );
	}

	/**
	 * Disable unserializing of the class
	 *
	 * @since 2.0
	 * @return void
	 */
	public function __wakeup() {
		// Unserializing instances of the class is forbidden
		_doing_it_wrong( __FUNCTION__, __( 'Cheatin&#8217; huh?', 'wpas' ), '2.0' );
	}

	/**
	 * Setup MailChimp options
	 *
	 * @since 2.0
	 * @return void
	 */
	private function setup_options() {
		self::$api_key      = wpbo_get_option( 'mc_api_key', '' );
		self::$list_id      = wpbo_get_option( 'mc_list_id', '' );
		self::$double_optin = wpbo_get_option( 'mc_double_optin', true );
		self::$update       = wpbo_get_option( 'mc_update_existing', true );
		self::$welcome      = wpbo_get_option( 'mc_welcome', true );
		self::$fields       = apply_filters( 'wpbo_mc_merge_vars', array( 'FNAME' ) );
	}

	/**
	 * Load the MailChimp API wrapper
	 *
	 * @since 1.0
	 * @return void
	 */
	private function load_mailchimp_api_wrapper() {
		/**
		 * Load MailChimp API Wrapper
		 *
		 * @link https://bitbucket.org/mailchimp/mailchimp-api-php
		 */
		if ( ! class_exists( 'Drewm\MailChimp' ) ) {
			require( WPBO_PATH . 'vendor/drewm/mailchimp-api/src/Drewm/MailChimp.php' );
		}
	}

	/**
	 * Trigger form submission.
	 *
	 * Add a last couple of checks, set the redirects and
	 * finally subscribe the visitor to the MailChimp list.
	 *
	 * @since  1.0.0
	 *
	 * @param array $data Popup form data
	 *
	 * @return null
	 */
	public function submit( $data ) {

		/* Check for credentials */
		if ( empty( self::$api_key ) || empty( self::$list_id ) ) {
			return new WP_Error( 'missing_credentials', esc_html__( 'The MailChimp credentials are missing. Please verify your settings.', 'betteroptin' ) );
		}

		/* Do the subscription */
		$subscribe = $this->subscribe( $data );

		if ( isset( $subscribe['status'] ) && 'error' == $subscribe['status'] || false === $subscribe ) {
			return new WP_Error( 'missing_credentials', esc_html__( 'An error occurred during submission.', 'betteroptin' ) );
		}

		return true;

	}


	/**
	 * Check if MailChimp settings are correct.
	 *
	 * @since  1.0.0
	 * @return boolean True if MailChimp integration is ready to work
	 */
	public function is_mailchimp_ready() {

		if ( empty( self::$api_key ) || empty( self::$list_id ) ) {
			return false;
		} else {
			return true;
		}

	}

	/**
	 * Clean the post.
	 *
	 * Filter the post data and only keep
	 * values that are actually supported
	 * by the API.
	 *
	 * @since  1.0.0
	 * @return array Clean list of merge fields
	 */
	protected function clean_fields() {

		$fields = self::$fields;
		$clean  = array();

		/* Need to use a merge var for the name */
		if ( isset( $_POST['wpbo_name'] ) ) {
			$_POST['FNAME'] = $_POST['wpbo_name'];
		}

		foreach ( $fields as $field ) {

			if ( isset( $_POST[ $field ] ) ) {
				$clean[ $field ] = $_POST[ $field ];
			}

		}

		return $clean;

	}

	/**
	 * Subscribe the visitor to a list.
	 *
	 * @since  1.0.0
	 *
	 * @param array $data Popup form data
	 *
	 * @return array Result
	 */
	private function subscribe( $data ) {

		$popup_id    = (int) $data['wpbo_id'];
		$custom_list = get_post_meta( $popup_id, 'wpbo_mc_list', true );
		$list_id     = '' != $custom_list ? $custom_list : self::$list_id;

		// Prepare e-mail content
		$email = array(
			'email' => sanitize_email( $data['email'] ),
			'euid'  => md5( sanitize_email( $data['email'] ) ),
			'leid'  => false
		);

		// Get cleaned merge fields
		$merge_vars = $this->clean_fields();

		// MailChimp e-mail array
		$settings = array(
			'id'                => $list_id,
			'email'             => $email,
			'merge_vars'        => $merge_vars,
			'email_type'        => 'html',
			'double_optin'      => self::$double_optin,
			'update_existing'   => self::$update,
			'replace_interests' => false,
			'send_welcome'      => self::$welcome,
		);

		/* Instantiate the MailChimp API Wrapper */
		$mc = new \Drewm\MailChimp( self::$api_key );

		/**
		 * Get the groups.
		 */
		$groups = maybe_unserialize( get_post_meta( $popup_id, 'wpbo_mc_list_groups', true ) );

		if ( is_array( $groups ) ) {

			/* Declare the grouping array */
			if ( ! isset( $settings['merge_vars']['groupings'] ) ) {
				$settings['merge_vars']['groupings'] = array();
			}

			foreach ( $groups as $group => $option ) {

				if ( is_array( $option ) ) {

					$opts = array();

					foreach ( $option as $opt ) {
						array_push( $opts, $opt );
					}

					array_push( $settings['merge_vars']['groupings'], array( 'id' => $group, 'groups' => $opts ) );

				} else {
					array_push( $settings['merge_vars']['groupings'], array(
						'id'     => $group,
						'groups' => array( $option )
					) );
				}

			}

		}

		/* Call the API */
		$subscribe = $mc->call( 'lists/subscribe', $settings );

		return $subscribe;

	}

	/**
	 * Get user lists.
	 *
	 * @since  1.0.0
	 * @return array Array of available lists for this account
	 */
	public function get_lists() {

		if ( empty( self::$api_key ) ) {
			return array();
		}

		/* Instantiate */
		$mc = new \Drewm\MailChimp( self::$api_key );

		$lists = $mc->call( 'lists/list' );

		return $lists;

	}

	/**
	 * Get the groups list.
	 *
	 * @since  1.1.0
	 *
	 * @param  string $list_id ID of the list to get the groups of
	 *
	 * @return mixed            Array of groups or error
	 */
	public function get_groups( $list_id = '' ) {

		/* Verify the list ID and try to retrieve it if needed. */
		if ( empty( $list_id ) ) {
			return new WP_Error( 'list_id_missing', __( 'The list ID is missing.', 'wpmc' ) );
		}

		/* Try to get groups from cache */
		$groups = get_transient( "wpbo_mc_groups_list_$list_id" );

		if ( false !== $groups ) {
			return $groups;
		}

		/* Check if the credentials are set. */
		if ( empty( self::$api_key ) ) {
			return new WP_Error( 'api_credentials_missing', __( 'The API credentials are missing.', 'wpmc' ) );
		}

		/* Instanciate MailChimp API Wrapper. */
		$mc = new \Drewm\MailChimp( self::$api_key );

		/* Get the lists. */
		$groups = $mc->call( 'lists/interest-groupings', array(
				'id' => $list_id
			)
		);

		/* An error occurred during the request, thus no groups. */
		if ( isset( $groups['status'] ) && 'error' === $groups['status'] && isset( $groups['error'] ) ) {
			return new WP_Error( 'api_credentials_missing', $groups['error'] );
		} else {

			/* Set a transient to reduce load time */
			$lifetime = apply_filters( 'wpbo_mc_list_groups_cache_lifetime', 24 * 60 * 60 );
			set_transient( "wpbo_mc_groups_list_$list_id", $groups, $lifetime );

			/* Return the groups */

			return $groups;

		}

	}

	/**
	 * Check if a list has groups.
	 *
	 * Use the MailChimp API to check if a given mailing list
	 * has groups available.
	 *
	 * @since  1.1.0
	 *
	 * @param  string $list_id The list ID
	 *
	 * @return boolean          Request result
	 */
	public function has_groups( $list_id = '' ) {

		/* Verify the list ID and try to retrieve it if needed. */
		if ( empty( $list_id ) ) {
			return new WP_Error( 'list_id_missing', __( 'The list ID is missing.', 'wpmc' ) );
		}

		/* Get the groups. */
		$groups = $this->get_groups( $list_id );

		if ( is_wp_error( $groups ) || false === $groups || is_array( $groups ) && empty( $groups ) ) {
			return false;
		} else {
			return true;
		}

	}

}

1			<?php
2			/**
3			* BetterOptin Provider MailChimp
4			*
5			* @package BetterOptin/Provider/MailChimp
6			* @author ThemeAvenue <[email protected]>
7			* @license GPL-2.0+
8			* @link http://themeavenue.net
9			* @copyright 2015 ThemeAvenue
10			*/
11
12			// If this file is called directly, abort.
13			if ( ! defined( 'WPINC' ) ) {
14			die;
15			}
16
17			final class WPBO_MailChimp {
18
19			/**
20			* @var WPBO_MailChimp $instance Holds the unique instance of the MailChimp provider
21			* @since 2.0
22			*/
23			private static $instance;
24
25			/**
26			* @var string MailChimp API key
27			* @since 1.0
28			*/
29			private static $api_key;
30
31			/**
32			* @var string MailChimp list ID
33			* @since 1.0
34			*/
35			private static $list_id;
36
37			/**
38			* @var bool Whether or not to use double optin for new subscribers
39			* @since 1.0
40			*/
41			private static $double_optin;
42
43			/**
44			* @var bool Whether to update existing contacts or add new
45			* @since 1.0
46			*/
47			private static $update;
48
49			/**
50			* @var bool Whether or not to send the welcome message to new subscribers
51			* @since 1.0
52			*/
53			private static $welcome;
54
55			/**
56			* @var array A list of allowed fields to be passed to MailChimp
57			* @since 1.0
58			*/
59			private static $fields;
60
61			/**
62			* Instantiate and return the unique BetterOptin object
63			*
64			* @since 2.0
65			* @return object BetterOptin Unique instance of BetterOptin
66			*/
67			public static function instance() {
68
69			if ( ! isset( self::$instance ) && ! ( self::$instance instanceof WPBO_MailChimp ) ) {
70
71			// Instantiate
72			self::$instance = new WPBO_MailChimp;
73			self::$instance->setup_options();
74			self::$instance->load_mailchimp_api_wrapper();
75
76			}
77
78			return self::$instance;
79
80			}
81
82			/**
83			* Throw error on object clone
84			*
85			* The whole idea of the singleton design pattern is that there is a single
86			* object therefore, we don't want the object to be cloned.
87			*
88			* @since 2.0
89			* @return void
90			*/
91			public function __clone() {
92			// Cloning instances of the class is forbidden
93			_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'wpas' ), '2.0' );
94			}
95
96			/**
97			* Disable unserializing of the class
98			*
99			* @since 2.0
100			* @return void
101			*/
102			public function __wakeup() {
103			// Unserializing instances of the class is forbidden
104			_doing_it_wrong( __FUNCTION__, __( 'Cheatin’ huh?', 'wpas' ), '2.0' );
105			}
106
107			/**
108			* Setup MailChimp options
109			*
110			* @since 2.0
111			* @return void
112			*/
113			private function setup_options() {
114			self::$api_key = wpbo_get_option( 'mc_api_key', '' );
115			self::$list_id = wpbo_get_option( 'mc_list_id', '' );
116			self::$double_optin = wpbo_get_option( 'mc_double_optin', true );
117			self::$update = wpbo_get_option( 'mc_update_existing', true );
118			self::$welcome = wpbo_get_option( 'mc_welcome', true );
119			self::$fields = apply_filters( 'wpbo_mc_merge_vars', array( 'FNAME' ) );
120			}
121
122			/**
123			* Load the MailChimp API wrapper
124			*
125			* @since 1.0
126			* @return void
127			*/
128			private function load_mailchimp_api_wrapper() {
129			/**
130			* Load MailChimp API Wrapper
131			*
132			* @link https://bitbucket.org/mailchimp/mailchimp-api-php
133			*/
134			if ( ! class_exists( 'Drewm\MailChimp' ) ) {
135			require( WPBO_PATH . 'vendor/drewm/mailchimp-api/src/Drewm/MailChimp.php' );
136			}
137			}
138
139			/**
140			* Trigger form submission.
141			*
142			* Add a last couple of checks, set the redirects and
143			* finally subscribe the visitor to the MailChimp list.
144			*
145			* @since 1.0.0
146			*
147			* @param array $data Popup form data
148			*
149			* @return null
150			*/
151			public function submit( $data ) {
152
153			/* Check for credentials */
154			if ( empty( self::$api_key ) \|\| empty( self::$list_id ) ) {
155			return new WP_Error( 'missing_credentials', esc_html__( 'The MailChimp credentials are missing. Please verify your settings.', 'betteroptin' ) );
156			}
157
158			/* Do the subscription */
159			$subscribe = $this->subscribe( $data );
160
161			if ( isset( $subscribe['status'] ) && 'error' == $subscribe['status'] \|\| false === $subscribe ) {
162			return new WP_Error( 'missing_credentials', esc_html__( 'An error occurred during submission.', 'betteroptin' ) );
163			}
164
165			return true;
166
167			}
168
169
170			/**
171			* Check if MailChimp settings are correct.
172			*
173			* @since 1.0.0
174			* @return boolean True if MailChimp integration is ready to work
175			*/
176			public function is_mailchimp_ready() {
177
178			if ( empty( self::$api_key ) \|\| empty( self::$list_id ) ) {
179			return false;
180			} else {
181			return true;
182			}
183
184			}
185
186			/**
187			* Clean the post.
188			*
189			* Filter the post data and only keep
190			* values that are actually supported
191			* by the API.
192			*
193			* @since 1.0.0
194			* @return array Clean list of merge fields
195			*/
196			protected function clean_fields() {
197
198			$fields = self::$fields;
199			$clean = array();
200
201			/* Need to use a merge var for the name */
202			if ( isset( $_POST['wpbo_name'] ) ) {
203			$_POST['FNAME'] = $_POST['wpbo_name'];
204			}
205
206			foreach ( $fields as $field ) {
207
208			if ( isset( $_POST[ $field ] ) ) {
209			$clean[ $field ] = $_POST[ $field ];
210			}
211
212			}
213
214			return $clean;
215
216			}
217
218			/**
219			* Subscribe the visitor to a list.
220			*
221			* @since 1.0.0
222			*
223			* @param array $data Popup form data
224			*
225			* @return array Result
226			*/
227			private function subscribe( $data ) {
228
229			$popup_id = (int) $data['wpbo_id'];
230			$custom_list = get_post_meta( $popup_id, 'wpbo_mc_list', true );
231			$list_id = '' != $custom_list ? $custom_list : self::$list_id;
232
233			// Prepare e-mail content
234			$email = array(
235			'email' => sanitize_email( $data['email'] ),
236			'euid' => md5( sanitize_email( $data['email'] ) ),
237			'leid' => false
238			);
239
240			// Get cleaned merge fields
241			$merge_vars = $this->clean_fields();
242
243			// MailChimp e-mail array
244			$settings = array(
245			'id' => $list_id,
246			'email' => $email,
247			'merge_vars' => $merge_vars,
248			'email_type' => 'html',
249			'double_optin' => self::$double_optin,
250			'update_existing' => self::$update,
251			'replace_interests' => false,
252			'send_welcome' => self::$welcome,
253			);
254
255			/* Instantiate the MailChimp API Wrapper */
256			$mc = new \Drewm\MailChimp( self::$api_key );
257
258			/**
259			* Get the groups.
260			*/
261			$groups = maybe_unserialize( get_post_meta( $popup_id, 'wpbo_mc_list_groups', true ) );
262
263			if ( is_array( $groups ) ) {
264
265			/* Declare the grouping array */
266			if ( ! isset( $settings['merge_vars']['groupings'] ) ) {
267			$settings['merge_vars']['groupings'] = array();
268			}
269
270			foreach ( $groups as $group => $option ) {
271
272			if ( is_array( $option ) ) {
273
274			$opts = array();
275
276			foreach ( $option as $opt ) {
277			array_push( $opts, $opt );
278			}
279
280			array_push( $settings['merge_vars']['groupings'], array( 'id' => $group, 'groups' => $opts ) );
281
282			} else {
283			array_push( $settings['merge_vars']['groupings'], array(
284			'id' => $group,
285			'groups' => array( $option )
286			) );
287			}
288
289			}
290
291			}
292
293			/* Call the API */
294			$subscribe = $mc->call( 'lists/subscribe', $settings );
295
296			return $subscribe;
297
298			}
299
300			/**
301			* Get user lists.
302			*
303			* @since 1.0.0
304			* @return array Array of available lists for this account
305			*/
306			public function get_lists() {
307
308			if ( empty( self::$api_key ) ) {
309			return array();
310			}
311
312			/* Instantiate */
313			$mc = new \Drewm\MailChimp( self::$api_key );
314
315			$lists = $mc->call( 'lists/list' );
316
317			return $lists;
318
319			}
320
321			/**
322			* Get the groups list.
323			*
324			* @since 1.1.0
325			*
326			* @param string $list_id ID of the list to get the groups of
327			*
328			* @return mixed Array of groups or error
329			*/
330			public function get_groups( $list_id = '' ) {
331
332			/* Verify the list ID and try to retrieve it if needed. */
333			if ( empty( $list_id ) ) {
334			return new WP_Error( 'list_id_missing', __( 'The list ID is missing.', 'wpmc' ) );
335			}
336
337			/* Try to get groups from cache */
338			$groups = get_transient( "wpbo_mc_groups_list_$list_id" );
339
340			if ( false !== $groups ) {
341			return $groups;
342			}
343
344			/* Check if the credentials are set. */
345			if ( empty( self::$api_key ) ) {
346			return new WP_Error( 'api_credentials_missing', __( 'The API credentials are missing.', 'wpmc' ) );
347			}
348
349			/* Instanciate MailChimp API Wrapper. */
350			$mc = new \Drewm\MailChimp( self::$api_key );
351
352			/* Get the lists. */
353			$groups = $mc->call( 'lists/interest-groupings', array(
354			'id' => $list_id
355			)
356			);
357
358			/* An error occurred during the request, thus no groups. */
359			if ( isset( $groups['status'] ) && 'error' === $groups['status'] && isset( $groups['error'] ) ) {
360			return new WP_Error( 'api_credentials_missing', $groups['error'] );
361			} else {
362
363			/* Set a transient to reduce load time */
364			$lifetime = apply_filters( 'wpbo_mc_list_groups_cache_lifetime', 24 * 60 * 60 );
365			set_transient( "wpbo_mc_groups_list_$list_id", $groups, $lifetime );
366
367			/* Return the groups */
368
369			return $groups;
370
371			}
372
373			}
374
375			/**
376			* Check if a list has groups.
377			*
378			* Use the MailChimp API to check if a given mailing list
379			* has groups available.
380			*
381			* @since 1.1.0
382			*
383			* @param string $list_id The list ID
384			*
385			* @return boolean Request result
386			*/
387			public function has_groups( $list_id = '' ) {
388
389			/* Verify the list ID and try to retrieve it if needed. */
390			if ( empty( $list_id ) ) {
391			return new WP_Error( 'list_id_missing', __( 'The list ID is missing.', 'wpmc' ) );
392			}
393
394			/* Get the groups. */
395			$groups = $this->get_groups( $list_id );
396
397			if ( is_wp_error( $groups ) \|\| false === $groups \|\| is_array( $groups ) && empty( $groups ) ) {
398			return false;
399			} else {
400			return true;
401			}
402
403			}
404
405			}

ThemeAvenue / BetterOptin

WPBO_MailChimp B last analyzed 2016-05-12 10:36 UTC

Complexity

Size/Duplication

Coupling/Cohesion

Importance

12 Methods

How to fix Complexity

Complex Class

Duplication Side-by-Side

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WPBO_MailChimp B
last analyzed 2016-05-12 10:36 UTC