add page for users to edit their memberships

fulcrm_membership.module

@@ -25,9 +25,42 @@ function fulcrm_membership_menu() {
                                              'access callback' => 'user_access',
                                              'access arguments' => array('access content'),
                                              );
+    $items[ 'user/fulcrm/membership' ] = array( 'page callback' => 'fulcrm_membership_self_set',
+                                                'title' => 'Choose Your Settings',
+                                                'description' => 'Opt-In Membership Settings.',
+                                                'access callback' => 'user_access',
+                                                'access arguments' => array('access content'),
+                                                );
     return $items;
 }
 
+function fulcrm_membership_person2membership_is_current( $p2m ) {
+    if ( $p2m[ 'timescale' ] ) {
+        $tz = new DateTimeZone('UTC');
+        $now = new DateTime();
+
+        $ts_start = $p2m[ 'timescale' ][ 'start' ];
+        if ( $ts_start ) {
+            $start = DateTime::createFromFormat( 'Y-m-d\TH:i:s.u\Z', $ts_start, $timezone = $tz );
+            $start = $start ? $start : DateTime::createFromFormat( 'Y-m-d\TH:i:s\Z', $ts_start, $timezone = $tz );
+        } else {
+            $start = NULL;
+        }
+
+        $ts_finish = $p2m[ 'timescale' ][ 'finish' ];
+        if ( $ts_finish ) {
+            $finish = DateTime::createFromFormat( 'Y-m-d\TH:i:s.u\Z', $ts_finish, $timezone = $tz );
+            $finish = $finish ? $finish : DateTime::createFromFormat( 'Y-m-d\TH:i:s\Z', $ts_finish, $timezone = $tz );
+        } else {
+            $finish = NULL;
+        }
+
+        return ( ( is_null( $start ) || ( $start <= $now ) ) && ( is_null( $finish ) || ( $finish > $now ) ) );
+    } else {
+        return true;
+    }
+}
+
 function fulcrm_membership_optin_form_submit( $form, &$form_state ) {
     foreach ( $form_state[ 'values' ][ 'person2memberships' ] as $p2m_id ) {
         $p2m_id = fulcrm_crypto_get_object_id_form_value( 'person2membership-optin', $p2m_id );
@@ -98,3 +131,83 @@ function fulcrm_membership_optin( $passport ) {
         return drupal_get_form( 'fulcrm_membership_optin_form', $api_data[ 'data' ][ 'results' ] );
     }
 }
+
+function fulcrm_membership_self_set_form_submit( $form, &$form_state ) {
+
+}
+
+function fulcrm_membership_self_set_form( $form, &$form_state ) {
+    global $user;
+
+    $form[ 'title' ] = array( '#type' => 'item',
+                              '#title' => 'Subscription Preferences',
+                              '#description' => '',
+                              );
+
+    $person_id = fulcrm_webhook_get_pk_for_entity_type( 'user', $user->uid, 'person' );
+    if ( $person_id ) {
+        $person_data = fulcrm_apiv2_GET( 'person/' . $person_id . '/',
+                                         $query = array( 'expand' => implode( ',', array( 'person2memberships',
+                                                                                          'person2memberships.membership',
+                                                                                          'person2memberships.timescale' ) ) ) );
+
+        if ( $person_data[ 'success' ] ) {
+            $membership_data = fulcrm_apiv2_GET( 'membership/',
+                                                 $query = array( 'page_size' => 1000,
+                                                                 ) );
+
+            if ( $membership_data[ 'success' ] ) {
+                $membership_name = array();
+                foreach ( $membership_data[ 'data' ][ 'results' ] as $membership )
+                    $membership_name[ $membership[ 'id' ] ] = $membership[ 'name' ];
+
+                $possible_ids = variable_get( 'fulcrm_membership_self_set_membership_ids', array() );
+                $membership_map = array();
+                $options = array();
+
+                foreach ( $possible_ids as $membership_id => $is_possible ) {
+                    if ( $is_possible ) {
+                        $membership_map[ $membership_id ] = 0;
+                        if ( array_key_exists( $membership_id, $membership_name ) )
+                            $options[ $membership_id ] = $membership_name[ $membership_id ];
+                    }
+                }
+
+                foreach ( $person_data[ 'data' ][ 'person2memberships' ] as $p2m ) {
+                    $membership_id = $p2m[ 'membership' ][ 'id' ];
+                    if ( array_key_exists( $membership_id, $possible_ids ) && $possible_ids[ $membership_id ] ) {
+                        if ( fulcrm_membership_person2membership_is_current( $p2m ) ) {
+                            $membership_map[ $membership_id ] = $membership_id;
+                        }
+                    }
+                }
+
+                $form[ 'memberships' ] = array( '#type' => 'checkboxes',
+                                                '#title' => 'Subscriptions',
+                                                '#options' => $options,
+                                                '#default_value' => $membership_map,
+                                                );
+            } else {
+                drupal_set_message( t('There was a problem fetching membership information.'), 'error', FALSE );
+            }
+        } else {
+            drupal_set_message( t('There was a problem fetching your subscription information.'), 'error', FALSE );
+        }
+    }
+
+    $form[ 'actions' ] = array( '#type' => 'actions' );
+    $form[ 'actions' ][ 'save' ] = array( '#type' => 'submit',
+                                          '#value' => t('Save'),
+                                          '#submit' => array( 'fulcrm_membership_self_set_form_submit' ),
+                                          );
+
+    return $form;
+}
+
+function fulcrm_membership_self_set() {
+    //if ( user_is_logged_in() ) {
+    return drupal_get_form( 'fulcrm_membership_self_set_form' );
+    //} else {
+    //drupal_goto( 'user?destination=user/fulcrm/membership' );
+    //}
+}