Merge branch 'master' into dev_5

CRM/Twingle/Form/Profile.php

@@ -44,6 +44,76 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
    */
   protected static $_paymentInstruments = NULL;
 
+  /**
+   * @var array
+   *
+   * A static cache of retrieved contribution statuses found within
+   * static::getContributionStatusOptions().
+   */
+  protected static $_contributionStatusOptions = NULL;
+
+  /**
+   * @var array
+   *
+   * A static cache of retrieved groups found within static::getGroups().
+   */
+  protected static $_groups = NULL;
+
+  /**
+   * @var array
+   *
+   * A static cache of retrieved newsletter groups found within
+   * static::getNewsletterGroups().
+   */
+  protected static $_newsletterGroups = NULL;
+
+  /**
+   * @var array
+   *
+   * A static cache of retrieved campaigns found within static::getCampaigns().
+   */
+  protected static $_campaigns = NULL;
+
+  /**
+   * @var array
+   *
+   * A static cache of retrieved financial types found within
+   * static::getFinancialTypes().
+   */
+  protected static $_financialTypes = NULL;
+
+  /**
+   * @var array
+   *
+   * A static cache of retrieved genders found within
+   * static::getGenderOptions().
+   */
+  protected static $_genderOptions = NULL;
+
+  /**
+   * @var array
+   *
+   * A static cache of retrieved location types found within
+   * static::getLocationTypes().
+   */
+  protected static $_locationTypes = NULL;
+
+  /**
+   * @var array
+   *
+   * A static cache of retrieved membership types found within
+   * static::getMembershipTypes().
+   */
+  protected static $_membershipTypes = NULL;
+
+  /**
+   * @var array
+   *
+   * A static cache of retrieved CiviSEPA creditors found within
+   * static::getSepaCreditors().
+   */
+  protected static $_sepaCreditors = NULL;
+
   /**
    * Builds the form structure.
    */
@@ -59,10 +129,6 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       $profile_name = NULL;
     }
 
-    // Assign template variables.
-    $this->assign('op', $this->_op);
-    $this->assign('profile_name', $profile_name);
-
     // Set redirect destination.
     $this->controller->_destination = CRM_Utils_System::url('civicrm/admin/settings/twingle/profiles', 'reset=1');
 
@@ -88,6 +154,21 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
         }
         CRM_Utils_System::setTitle(E::ts('Edit Twingle API profile <em>%1</em>', array(1 => $this->profile->getName())));
         break;
+      case 'copy':
+        // This will be a 'create' actually.
+        $this->_op = 'create';
+
+        // When copying without a valid profile name, copy the default profile.
+        if (!$profile_name) {
+          $profile_name = 'default';
+          $this->profile = CRM_Twingle_Profile::getProfile($profile_name);
+        }
+
+        // Set a new name for this profile.
+        $profile_name = $profile_name . '_copy';
+        $this->profile->setName($profile_name);
+        CRM_Utils_System::setTitle(E::ts('New Twingle API profile'));
+        break;
       case 'create':
         // Load factory default profile values.
         $this->profile = CRM_twingle_Profile::createDefaultProfile($profile_name);
@@ -95,6 +176,10 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
         break;
     }
 
+    // Assign template variables.
+    $this->assign('op', $this->_op);
+    $this->assign('profile_name', $profile_name);
+
     // Add form elements.
     $is_default = $profile_name == 'default';
     $this->add(
@@ -109,7 +194,7 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       'text', // field type
       'selector', // field name
       E::ts('Project IDs'), // field label
-      array(),
+      ['class' => 'huge'],
       TRUE // is required
     );
 
@@ -117,7 +202,7 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       'select',
       'location_type_id',
       E::ts('Location type'),
-      $this->getLocationTypes(),
+      static::getLocationTypes(),
       TRUE
     );
 
@@ -125,7 +210,7 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       'select',
       'location_type_id_organisation',
       E::ts('Location type for organisations'),
-      $this->getLocationTypes(),
+      static::getLocationTypes(),
       TRUE
     );
 
@@ -133,14 +218,14 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       'select', // field type
       'financial_type_id', // field name
       E::ts('Financial type'), // field label
-      $this->getFinancialTypes(), // list of options
+      static::getFinancialTypes(), // list of options
       TRUE // is required
     );
     $this->add(
       'select', // field type
       'financial_type_id_recur', // field name
       E::ts('Financial type (recurring)'), // field label
-      $this->getFinancialTypes(), // list of options
+      static::getFinancialTypes(), // list of options
       TRUE // is required
     );
 
@@ -148,21 +233,21 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       'select',
       'gender_male',
       E::ts('Gender option for submitted value "male"'),
-      $this->getGenderOptions(),
+      static::getGenderOptions(),
       TRUE
     );
     $this->add(
       'select',
       'gender_female',
       E::ts('Gender option for submitted value "female"'),
-      $this->getGenderOptions(),
+      static::getGenderOptions(),
       TRUE
     );
     $this->add(
       'select',
       'gender_other',
       E::ts('Gender option for submitted value "other"'),
-      $this->getGenderOptions(),
+      static::getGenderOptions(),
       TRUE
     );
 
@@ -173,9 +258,17 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
         'select', // field type
         $pi_name, // field name
         E::ts('Record %1 as', array(1 => $pi_label)), // field label
-        $this->getPaymentInstruments(), // list of options
+        static::getPaymentInstruments(), // list of options
         TRUE // is required
       );
+
+      $this->add(
+        'select',
+        $pi_name . '_status',
+        E::ts('Record %1 donations with contribution status', array(1 => $pi_label)),
+        static::getContributionStatusOptions(),
+        TRUE
+      );
     }
 
     if (CRM_Twingle_Submission::civiSepaEnabled()) {
@@ -183,7 +276,7 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
         'select',
         'sepa_creditor_id',
         E::ts('CiviSEPA creditor'),
-        $this->getSepaCreditors(),
+        static::getSepaCreditors(),
         TRUE
       );
     }
@@ -192,7 +285,7 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       'select', // field type
       'newsletter_groups', // field name
       E::ts('Sign up for newsletter groups'), // field label
-      $this->getNewsletterGroups(), // list of options
+      static::getNewsletterGroups(), // list of options
       FALSE, // is not required
       array('class' => 'crm-select2 huge', 'multiple' => 'multiple')
     );
@@ -201,7 +294,7 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       'select', // field type
       'postinfo_groups', // field name
       E::ts('Sign up for postal mail groups'), // field label
-      $this->getPostinfoGroups(), // list of options
+      static::getPostinfoGroups(), // list of options
       FALSE, // is not required
       array('class' => 'crm-select2 huge', 'multiple' => 'multiple')
     );
@@ -210,7 +303,7 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       'select', // field type
       'donation_receipt_groups', // field name
       E::ts('Sign up for Donation receipt groups'), // field label
-      $this->getDonationReceiptGroups(), // list of options
+      static::getDonationReceiptGroups(), // list of options
       FALSE, // is not required
       array('class' => 'crm-select2 huge', 'multiple' => 'multiple')
     );
@@ -219,7 +312,7 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       'select', // field type
       'campaign', // field name
       E::ts('Assign donation to campaign'), // field label
-      array('' => E::ts('- none -')) + $this->getCampaigns(), // list of options
+      array('' => E::ts('- none -')) + static::getCampaigns(), // list of options
       FALSE, // is not required
       array('class' => 'crm-select2 huge')
     );
@@ -228,7 +321,7 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       'select', // field type
       'membership_type_id', // field name
       E::ts('Create membership of type'), // field label
-      array('' => E::ts('- none -')) + $this->getMembershipTypes(), // list of options
+      array('' => E::ts('- none -')) + static::getMembershipTypes(), // list of options
       FALSE, // is not required
       array('class' => 'crm-select2 huge')
     );
@@ -240,6 +333,13 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       array()
     );
 
+    $this->add(
+      'textarea', // field type
+      'custom_field_mapping', // field name
+      E::ts('Custom field mapping'), // field label
+      array()
+    );
+
     $this->addButtons(array(
       array(
         'type' => 'submit',
@@ -277,6 +377,69 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
       $errors['name'] = E::ts('Only alphanumeric characters and the underscore (_) are allowed for profile names.');
     }
 
+    // Validate custom field mapping.
+    try {
+      if (isset($values['custom_field_mapping'])) {
+        $custom_field_mapping = preg_split('/\r\n|\r|\n/', $values['custom_field_mapping'], -1, PREG_SPLIT_NO_EMPTY);
+        if (!is_array($custom_field_mapping)) {
+          throw new Exception(
+            E::ts('Could not parse custom field mapping.')
+          );
+        }
+        foreach ($custom_field_mapping as $custom_field_map) {
+          $custom_field_map = explode("=", $custom_field_map);
+          if (count($custom_field_map) !== 2) {
+            throw new Exception(
+              E::ts('Could not parse custom field mapping.')
+            );
+          }
+          list($twingle_field_name, $custom_field_name) = $custom_field_map;
+          $custom_field_id = substr($custom_field_name, strlen('custom_'));
+
+          // Check for custom field existence
+          try {
+            $custom_field = civicrm_api3('CustomField', 'getsingle', array(
+              'id' => $custom_field_id,
+            ));
+          }
+          catch (CiviCRM_API3_Exception $exception) {
+            throw new Exception(
+              E::ts(
+                'Custom field custom_%1 does not exist.',
+                array(1 => $custom_field_id)
+              )
+            );
+          }
+
+          // Only allow custom fields on relevant entities.
+          try {
+            $custom_group = civicrm_api3('CustomGroup', 'getsingle', array(
+              'id' => $custom_field['custom_group_id'],
+              'extends' => array(
+                'IN' => array(
+                  'Contact',
+                  'Individual',
+                  'Organization',
+                  'Contribution',
+                  'ContributionRecur',
+                ),
+              ),
+            ));
+          } catch (CiviCRM_API3_Exception $exception) {
+            throw new Exception(
+              E::ts(
+                'Custom field custom_%1 is not in a CustomGroup that extends one of the supported CiviCRM entities.',
+                array(1 => $custom_field['id'])
+              )
+            );
+          }
+        }
+      }
+    }
+    catch (Exception $exception) {
+      $errors['custom_field_mapping'] = $exception->getMessage();
+    }
+
     return empty($errors) ? TRUE : $errors;
   }
 
@@ -325,16 +488,18 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
    *
    * @throws \CiviCRM_API3_Exception
    */
-  public function getLocationTypes() {
+  public static function getLocationTypes() {
-    $location_types = array();
+    if (!isset(static::$_locationTypes)) {
+      static::$_locationTypes = array();
       $query = civicrm_api3('LocationType', 'get', array(
+        'option.limit' => 0,
         'is_active' => 1,
       ));
       foreach ($query['values'] as $type) {
-      $location_types[$type['id']] = $type['name'];
+        static::$_locationTypes[$type['id']] = $type['name'];
       }
-
+    }
-    return $location_types;
+    return static::$_locationTypes;
   }
 
   /**
@@ -345,17 +510,19 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
    *
    * @throws \CiviCRM_API3_Exception
    */
-  public function getFinancialTypes() {
+  public static function getFinancialTypes() {
-    $financial_types = array();
+    if (!isset(static::$_financialTypes)) {
+      static::$_financialTypes = array();
       $query = civicrm_api3('FinancialType', 'get', array(
-      'is_active'    => 1,
         'option.limit' => 0,
+        'is_active' => 1,
         'return' => 'id,name'
       ));
       foreach ($query['values'] as $type) {
-      $financial_types[$type['id']] = $type['name'];
+        static::$_financialTypes[$type['id']] = $type['name'];
       }
-    return $financial_types;
+    }
+    return static::$_financialTypes;
   }
 
   /**
@@ -366,17 +533,19 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
    *
    * @throws \CiviCRM_API3_Exception
    */
-  public function getMembershipTypes() {
+  public static function getMembershipTypes() {
-    $membership_types = array();
+    if (!isset(static::$_membershipTypes)) {
+      static::$_membershipTypes = array();
       $query = civicrm_api3('MembershipType', 'get', array(
-      'is_active'    => 1,
         'option.limit' => 0,
+        'is_active' => 1,
         'return' => 'id,name'
       ));
       foreach ($query['values'] as $type) {
-      $membership_types[$type['id']] = $type['name'];
+        static::$_membershipTypes[$type['id']] = $type['name'];
       }
-    return $membership_types;
+    }
+    return static::$_membershipTypes;
   }
 
   /**
@@ -387,21 +556,23 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
    *
    * @throws \CiviCRM_API3_Exception
    */
-  public function getGenderOptions() {
+  public static function getGenderOptions() {
-    $genders = array();
+    if (!isset(static::$_genderOptions)) {
+      static::$_genderOptions = array();
       $query = civicrm_api3('OptionValue', 'get', array(
+        'option.limit' => 0,
         'option_group_id' => 'gender',
         'is_active' => 1,
-      'option.limit' => 0,
         'return' => array(
           'value',
           'label',
         ),
       ));
       foreach ($query['values'] as $gender) {
-      $genders[$gender['value']] = $gender['label'];
+        static::$_genderOptions[$gender['value']] = $gender['label'];
       }
-    return $genders;
+    }
+    return static::$_genderOptions;
   }
 
   /**
@@ -411,32 +582,36 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
    *
    * @throws \CiviCRM_API3_Exception
    */
-  public function getSepaCreditors() {
+  public static function getSepaCreditors() {
-    $creditors = array();
+    if (!isset(static::$_sepaCreditors)) {
-
+      static::$_sepaCreditors = array();
       if (CRM_Twingle_Submission::civiSepaEnabled()) {
         $result = civicrm_api3('SepaCreditor', 'get', array(
           'option.limit' => 0,
         ));
         foreach ($result['values'] as $sepa_creditor) {
-        $creditors[$sepa_creditor['id']] = $sepa_creditor['name'];
+          static::$_sepaCreditors[$sepa_creditor['id']] = $sepa_creditor['name'];
         }
       }
-
+    }
-    return $creditors;
+    return static::$_sepaCreditors;
   }
 
   /**
    * Retrieves payment instruments present within the system as options for
    * select form elements.
+   *
+   * @return array
+   *
+   * @throws \CiviCRM_API3_Exception
    */
-  public function getPaymentInstruments() {
+  public static function getPaymentInstruments() {
     if (!isset(self::$_paymentInstruments)) {
       self::$_paymentInstruments = array();
       $query = civicrm_api3('OptionValue', 'get', array(
+        'option.limit' => 0,
         'option_group_id' => 'payment_instrument',
         'is_active'  => 1,
-        'option.limit'    => 0,
         'return' => 'value,label'
       ));
       foreach ($query['values'] as $payment_instrument) {
@@ -471,13 +646,49 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
     return self::$_paymentInstruments;
   }
 
+  /**
+   * Retrieves contribution statuses as options for select form elements.
+   *
+   * @return array
+   *
+   * @throws \CiviCRM_API3_Exception
+   */
+  public static function getContributionStatusOptions() {
+    if (!isset(self::$_contributionStatusOptions)) {
+      $query = civicrm_api3(
+        'OptionValue',
+        'get',
+        array(
+          'option.limit' => 0,
+          'option_group_id' => 'contribution_status',
+          'return' => array(
+            'value',
+            'label',
+          )
+        )
+      );
+
+      foreach ($query['values'] as $contribution_status) {
+        self::$_contributionStatusOptions[$contribution_status['value']] = $contribution_status['label'];
+      }
+    }
+
+    return self::$_contributionStatusOptions;
+  }
+
   /**
    * Retrieves active groups used as mailing lists within the system as options
    * for select form elements.
+   *
+   * @return array
+   *
+   * @throws \CiviCRM_API3_Exception
    */
-  public function getNewsletterGroups() {
+  public static function getNewsletterGroups() {
-    $groups = array();
+    if (!isset(static::$_newsletterGroups)) {
+      static::$_newsletterGroups = array();
       $group_types = civicrm_api3('OptionValue', 'get', array(
+        'option.limit' => 0,
         'option_group_id' => 'group_type',
         'name' => CRM_Twingle_Submission::GROUP_TYPE_NEWSLETTER,
       ));
@@ -490,52 +701,72 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
           'return'         => 'id,name'
         ));
         foreach ($query['values'] as $group) {
-        $groups[$group['id']] = $group['name'];
+          static::$_newsletterGroups[$group['id']] = $group['name'];
         }
       }
       else {
-      $groups[''] = E::ts('No mailing lists available');
+        static::$_newsletterGroups[''] = E::ts('No mailing lists available');
       }
-    return $groups;
+    }
+    return static::$_newsletterGroups;
   }
 
   /**
    * Retrieves active groups as options for select form elements.
+   *
+   * @return array
+   *
+   * @throws \CiviCRM_API3_Exception
    */
-  public function getGroups() {
+  public static function getGroups() {
-    $groups = array();
+    if (!isset(static::$_groups)) {
+      static::$_groups = array();
       $query = civicrm_api3('Group', 'get', array(
-      'is_active' => 1,
         'option.limit' => 0,
+        'is_active' => 1,
         'return' => 'id,name'
       ));
       foreach ($query['values'] as $group) {
-      $groups[$group['id']] = $group['name'];
+        static::$_groups[$group['id']] = $group['name'];
       }
-    return $groups;
+    }
+    return static::$_groups;
   }
 
   /**
    * Retrieves active groups used as postal mailing lists within the system as
    * options for select form elements.
+   *
+   * @return array
+   *
+   * @throws \CiviCRM_API3_Exception
    */
-  public function getPostinfoGroups() {
+  public static function getPostinfoGroups() {
-    return $this->getGroups();
+    return static::getGroups();
   }
 
   /**
    * Retrieves active groups used as donation receipt requester lists within the
    * system as options for select form elements.
+   *
+   * @return array
+   *
+   * @throws \CiviCRM_API3_Exception
    */
-  public function getDonationReceiptGroups() {
+  public static function getDonationReceiptGroups() {
-    return $this->getGroups();
+    return static::getGroups();
   }
 
   /**
    * Retrieves campaigns as options for select elements.
+   *
+   * @return array
+   *
+   * @throws \CiviCRM_API3_Exception
    */
-  public function getCampaigns() {
+  public static function getCampaigns() {
-    $campaigns = array();
+    if (!isset(static::$_campaigns)) {
+      static::$_campaigns = array();
       $query = civicrm_api3('Campaign', 'get', array(
         'option.limit' => 0,
         'return' => array(
@@ -544,9 +775,10 @@ class CRM_Twingle_Form_Profile extends CRM_Core_Form {
         )
       ));
       foreach ($query['values'] as $campaign) {
-      $campaigns[$campaign['id']] = $campaign['title'];
+        static::$_campaigns[$campaign['id']] = $campaign['title'];
       }
-    return $campaigns;
+    }
+    return static::$_campaigns;
   }
 
 }

CRM/Twingle/Profile.php

@@ -69,6 +69,21 @@ class CRM_Twingle_Profile {
     return in_array($project_id, $project_ids);
   }
 
+  /**
+   * @return array
+   *   The profile's configured custom field mapping
+   */
+  public function getCustomFieldMapping() {
+    $custom_field_mapping = array();
+    if (!empty($custom_field_definition = $this->getAttribute('custom_field_mapping'))) {
+      foreach (preg_split('/\r\n|\r|\n/', $custom_field_definition, -1, PREG_SPLIT_NO_EMPTY) as $custom_field_map) {
+        list($twingle_field_name, $custom_field_name) = explode("=", $custom_field_map);
+        $custom_field_mapping[$twingle_field_name] = $custom_field_name;
+      }
+    }
+    return $custom_field_mapping;
+  }
+
   /**
    * Retrieves all data attributes of the profile.
    *
@@ -100,15 +115,16 @@ class CRM_Twingle_Profile {
    * Retrieves an attribute of the profile.
    *
    * @param string $attribute_name
+   * @param mixed $default
    *
    * @return mixed | NULL
    */
-  public function getAttribute($attribute_name) {
+  public function getAttribute($attribute_name, $default = NULL) {
     if (isset($this->data[$attribute_name])) {
       return $this->data[$attribute_name];
     }
     else {
-      return NULL;
+      return $default;
     }
   }
 
@@ -129,6 +145,21 @@ class CRM_Twingle_Profile {
     $this->data[$attribute_name] = $value;
   }
 
+  /**
+   * Get the CiviCRM transaction ID (to be used in contributions and recurring contributions)
+   *
+   * @param $twingle_id string Twingle ID
+   * @return string CiviCRM transaction ID
+   */
+  public function getTransactionID($twingle_id) {
+    $prefix = Civi::settings()->get('twingle_prefix');
+    if (empty($prefix)) {
+      return $twingle_id;
+    } else {
+      return $prefix . $twingle_id;
+    }
+  }
+
   /**
    * Verifies whether the profile is valid (i.e. consistent and not colliding
    * with other profiles).
@@ -165,23 +196,13 @@ class CRM_Twingle_Profile {
    * @return array
    */
   public static function allowedAttributes() {
-    return array(
+    return array_merge(
+      array(
         'selector',
         'location_type_id',
         'location_type_id_organisation',
         'financial_type_id',
         'financial_type_id_recur',
-      'pi_banktransfer',
-      'pi_debit_manual',
-      'pi_debit_automatic',
-      'pi_creditcard',
-      'pi_mobilephone_germany',
-      'pi_paypal',
-      'pi_sofortueberweisung',
-      'pi_amazonpay',
-      'pi_paydirekt',
-      'pi_applepay',
-      'pi_googlepay',
         'sepa_creditor_id',
         'gender_male',
         'gender_female',
@@ -191,7 +212,16 @@ class CRM_Twingle_Profile {
         'donation_receipt_groups',
         'campaign',
         'contribution_source',
+        'custom_field_mapping',
         'membership_type_id',
+      ),
+      // Add payment methods.
+      array_keys(static::paymentInstruments()),
+
+      // Add contribution status for all payment methods.
+      array_map(function ($attribute) {
+        return $attribute . '_status';
+      }, array_keys(static::paymentInstruments()))
     );
   }
 
@@ -251,8 +281,13 @@ class CRM_Twingle_Profile {
       'donation_receipt_groups' => NULL,
       'campaign' => NULL,
       'contribution_source' => NULL,
+      'custom_field_mapping' => NULL,
       'membership_type_id' => NULL,
-    ));
+    )
+      // Add contribution status for all payment methods.
+      + array_fill_keys(array_map(function($attribute) {
+        return $attribute . '_status';
+      }, array_keys(static::paymentInstruments())), CRM_Twingle_Submission::CONTRIBUTION_STATUS_COMPLETED));
   }
 
   /**
@@ -267,16 +302,14 @@ class CRM_Twingle_Profile {
   public static function getProfileForProject($project_id) {
     $profiles = self::getProfiles();
 
-    // If none matches, use the default profile.
-    $profile = $profiles['default'];
-
     foreach ($profiles as $profile) {
       if ($profile->matches($project_id)) {
-        break;
+        return $profile;
       }
     }
 
-    return $profile;
+    // If none matches, use the default profile.
+    return $profiles['default'];
   }
 
   /**
@@ -305,7 +338,7 @@ class CRM_Twingle_Profile {
   public static function getProfiles() {
     if (self::$_profiles === NULL) {
       self::$_profiles = array();
-      if ($profiles_data = CRM_Core_BAO_Setting::getItem('de.systopia.twingle', 'twingle_profiles')) {
+      if ($profiles_data = Civi::settings()->get('twingle_profiles')) {
         foreach ($profiles_data as $profile_name => $profile_data) {
           self::$_profiles[$profile_name] = new CRM_Twingle_Profile($profile_name, $profile_data);
         }
@@ -330,6 +363,6 @@ class CRM_Twingle_Profile {
     foreach (self::$_profiles as $profile_name => $profile) {
       $profile_data[$profile_name] = $profile->data;
     }
-    CRM_Core_BAO_Setting::setItem((object) $profile_data, 'de.systopia.twingle', 'twingle_profiles');
+    Civi::settings()->set('twingle_profiles', $profile_data);
   }
 }

CRM/Twingle/Submission.php

@@ -27,6 +27,11 @@ class CRM_Twingle_Submission {
    */
   const GROUP_TYPE_NEWSLETTER = 'Mailing List';
 
+  /**
+   * The option value for the contribution type for completed contributions.
+   */
+  const CONTRIBUTION_STATUS_COMPLETED = 'Completed';
+
   /**
    * The default ID of the "Employer of" relationship type.
    */
@@ -99,6 +104,16 @@ class CRM_Twingle_Submission {
       }
       $params['gender_id'] = $gender_id;
     }
+
+    // Validate custom fields parameter, if given.
+    if (!empty($params['custom_fields'])) {
+      if (!is_array($custom_fields = json_decode($params['custom_fields'], TRUE))) {
+        throw new CiviCRM_API3_Exception(
+          E::ts('Invalid format for custom fields.'),
+          'invalid_format'
+        );
+      }
+    }
   }
 
   /**
@@ -254,10 +269,7 @@ class CRM_Twingle_Submission {
       'is_active' => 1,
     ));
     return
-      CRM_Core_BAO_Setting::getItem(
+      Civi::settings()->get('twingle_use_sepa')
-        'de.systopia.twingle',
-        'twingle_use_sepa'
-      )
       && $sepa_extension['count'];
   }
 

CRM/Twingle/Tools.php

@@ -0,0 +1,94 @@
+<?php
+/*------------------------------------------------------------+
+| SYSTOPIA Twingle Integration                                |
+| Copyright (C) 2019 SYSTOPIA                                 |
+| Author: B. Endres (endres@systopia.de)                      |
++-------------------------------------------------------------+
+| This program is released as free software under the         |
+| Affero GPL license. You can redistribute it and/or          |
+| modify it under the terms of this license which you         |
+| can read by viewing the included agpl.txt or online         |
+| at www.gnu.org/licenses/agpl.html. Removal of this          |
+| copyright header is strictly prohibited without             |
+| written permission from the original author(s).             |
++-------------------------------------------------------------*/
+
+use CRM_Twingle_ExtensionUtil as E;
+
+class CRM_Twingle_Tools {
+
+  /**
+   * This flag can be used to temporarily suspend twingle protection
+   * @var bool
+   */
+  public static $protection_suspended = FALSE;
+
+  /**
+   * Check if the attempted modification of the recurring contribution is allowed.
+   * If not, an exception will be raised
+   *
+   * @param $recurring_contribution_id int
+   * @param $change                    array
+   * @throws Exception if the change is not allowed
+   */
+  public static function checkRecurringContributionChange($recurring_contribution_id, $change) {
+    // check if a change to the status is planned
+    if (empty($change['contribution_status_id'])) return;
+
+    // check if the target status is not closed
+    if (in_array($change['contribution_status_id'], [2,5])) return;
+
+    // check if we're suspended
+    if (self::$protection_suspended) return;
+
+    // currently only works with prefixes
+    $prefix = Civi::settings()->get('twingle_prefix');
+    if (empty($prefix)) return;
+
+    // check if protection is turned on
+    $protection_on = Civi::settings()->get('twingle_protect_recurring');
+    if (empty($protection_on)) return;
+
+    // load the recurring contribution
+    $recurring_contribution = civicrm_api3('ContributionRecur', 'getsingle', [
+        'return' => 'trxn_id,contribution_status_id,payment_instrument_id',
+        'id'     => $recurring_contribution_id]);
+
+    // check if this is a SEPA transaction
+    //if (self::isSDD($recurring_contribution['payment_instrument_id'])) return;
+
+    // check if it's really a termination (i.e. current status is 2 or 5)
+    if (!in_array($recurring_contribution['contribution_status_id'], [2,5])) return;
+
+    // check if it's a Twingle contribution
+    if (substr($recurring_contribution['trxn_id'], 0, strlen($prefix)) == $prefix) {
+      // this is a Twingle contribution that is about to be terminated
+      throw new Exception(E::ts("This is a Twingle recurring contribution. It should be terminated through the Twingle interface, otherwise it will still be collected."));
+    }
+  }
+
+  /**
+   * Check if the given payment instrument is SEPA
+   *
+   * @param $payment_instrument_id string payment instrument
+   * @return boolean
+   */
+  public static function isSDD($payment_instrument_id) {
+    static $sepa_payment_instruments = NULL;
+    if ($sepa_payment_instruments === NULL) {
+      // init with instrument names
+      $sepa_payment_instruments = ['FRST', 'RCUR', 'OOFF'];
+
+      // lookup and add instrument IDs
+      $lookup = civicrm_api3('OptionValue', 'get', [
+          'option_group_id' => 'payment_instrument',
+          'name'            => ['IN' => $sepa_payment_instruments],
+          'return'          => 'value'
+      ]);
+      foreach ($lookup['values'] as $payment_instrument) {
+        $sepa_payment_instruments[] = $payment_instrument['value'];
+      }
+    }
+    return in_array($payment_instrument_id, $sepa_payment_instruments);
+  }
+}

CRM/Twingle/Upgrader.php

@@ -143,4 +143,24 @@ class CRM_Twingle_Upgrader extends CRM_Twingle_Upgrader_Base {
     return TRUE;
   }
 
+  /**
+   * Convert serialized settings from objects to arrays.
+   *
+   * @link https://civicrm.org/advisory/civi-sa-2019-21-poi-saved-search-and-report-instance-apis
+   */
+  public function upgrade_5011() {
+    // Do not use CRM_Core_BAO::getItem() or Civi::settings()->get().
+    // Extract and unserialize directly from the database.
+    $twingle_profiles_query = CRM_Core_DAO::executeQuery("
+        SELECT `value`
+          FROM `civicrm_setting`
+        WHERE `name` = 'twingle_profiles';");
+    if ($twingle_profiles_query->fetch()) {
+      $profiles = unserialize($twingle_profiles_query->value);
+      Civi::settings()->set('twingle_profiles', (array) $profiles);
+    }
+
+    return TRUE;
+  }
+
 }

README.md

@@ -13,6 +13,11 @@ The extension is licensed under
 
 *This section is yet to be completed.*
 
+### Configure Extended Contact Matcher (XCM)
+
+Make sure you use an XCM profile with the option *Match contacts by contact ID*
+enabled.
+
 ### Configure CiviCRM
 
 - Go to the Administration console `/civicrm/admin`
@@ -37,17 +42,21 @@ project ID from any other profile. Therefore the default profile will be used
 for all newly created Twingle projects.
 
 | Label                           | Description                                                                                                                                                                              |
-|---------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------|
+|---------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
 | Profile name                    | Internal name, used inside the extension.                                                                                                                                                |
 | Project IDs                     | Twingle project IDs. Separate multiple IDs with commas.                                                                                                                                  |
 | Location type                   | Specify how the address data sent by the form should be categorised in CiviCRM. The list is based on your CiviCRM configuration.                                                         |
 | Location type for organisations | Specify how the address data sent by the form should be categorised in CiviCRM for organisational donations. The list is based on your CiviCRM configuration.                            |
 | Financial type                  | Specify which financial type incoming one-time donations should be recorded with in CiviCRM. The list is based on your CiviCRM configuration.                                            |
 | Financial type (recurring)      | Specify which financial type incoming recurring donations should be recorded with in CiviCRM. The list is based on your CiviCRM configuration.                                           |
+| CiviSEPA creditor               | When enabled to integrate with CiviSEPA, specify the CiviSEPA creditor to use.                                                                                                           |
 | Gender options                  | Specify which CiviCRM gender option the incoming Twingle gender value should be mapped to. The list is based on your CiviCRM configuration.                                              |
 | Record *Payment method* as      | Specifiy the payment methods mapping for incoming donations for each Twingle payment method.                                                                                             |
-| CiviSEPA creditor               | When enabled to integrate with CiviSEPA, specify the CiviSEPA creditor to use.                                                                                |
 | Sign up for groups              | Whenever the donor checked the newsletter/postal mailing/donation receipt checkbox on the Twingle form, the contact will be added to the groups listed here.                             |
+| Assign donation to campaign     | The donation will be assigned to the selected campaign. If a campaign ID is being submitted using the `campaign_id` parameter, this setting will be overridden with the submitted value. |
+| Create membership of type       | A membership of the selected type will be created for the Individual contact. If no membership type is selected, no membership will be created.                                          |
+| Contribution source             | The configured value will be set as the "Source" field for the contribution.                                                                                                             |
+| Custom field mapping            | Additional field values may be set to CiviCRM custom fields using a mapping. See the option's help text for the exact format.                                                            |
 
 
 ## API documentation

api/v3/TwingleDonation/Cancel.php

@@ -80,15 +80,16 @@ function civicrm_api3_twingle_donation_Cancel($params) {
     }
 
     // Retrieve (recurring) contribution.
+    $default_profile = CRM_Twingle_Profile::getProfile('default');
     try {
       $contribution = civicrm_api3('Contribution', 'getsingle', array(
-        'trxn_id' => $params['trx_id'],
+        'trxn_id' => $default_profile->getTransactionID($params['trx_id']),
       ));
       $contribution_type = 'Contribution';
     }
     catch (CiviCRM_API3_Exception $exception) {
       $contribution = civicrm_api3('ContributionRecur', 'getsingle', array(
-        'trxn_id' => $params['trx_id'],
+          'trxn_id' => $default_profile->getTransactionID($params['trx_id']),
       ));
       $contribution_type = 'ContributionRecur';
     }
@@ -121,12 +122,14 @@ function civicrm_api3_twingle_donation_Cancel($params) {
       ));
     }
     else {
+      CRM_Twingle_Tools::$protection_suspended = TRUE;
       $contribution = civicrm_api3($contribution_type, 'create', array(
         'id' => $contribution['id'],
         'cancel_date' => $params['cancelled_at'],
         'contribution_status_id' => 'Cancelled',
         'cancel_reason' => $params['cancel_reason'],
       ));
+      CRM_Twingle_Tools::$protection_suspended = FALSE;
     }
 
     $result = civicrm_api3_create_success($contribution);

api/v3/TwingleDonation/Endrecurring.php

@@ -72,8 +72,9 @@ function civicrm_api3_twingle_donation_endrecurring($params) {
       );
     }
 
+    $default_profile = CRM_Twingle_Profile::getProfile('default');
     $contribution = civicrm_api3('ContributionRecur', 'getsingle', array(
-      'trxn_id' => $params['trx_id'],
+      'trxn_id' => $default_profile->getTransactionID($params['trx_id']),
     ));
     // End SEPA mandate (which ends the associated recurring contribution) or
     // recurring contributions.
@@ -87,6 +88,16 @@ function civicrm_api3_twingle_donation_endrecurring($params) {
         time(),
         date_create_from_format('Ymd', $params['cancelled_at'])->getTimestamp()
       ));
+
+      // verify that the mandate has not been terminated in the past
+      $mandate_status = civicrm_api3('SepaMandate', 'getvalue', ['return' => 'status', 'id' => $mandate_id]);
+      if ($mandate_status != 'FRST' && $mandate_status != 'RCUR') {
+        throw new CiviCRM_API3_Exception(
+            E::ts("SEPA Mandate [%1] already terminated.", [1 => $mandate_id]),
+            'api_error'
+        );
+      }
+
       if (!CRM_Sepa_BAO_SEPAMandate::terminateMandate(
         $mandate_id,
         $end_date,
@@ -102,11 +113,13 @@ function civicrm_api3_twingle_donation_endrecurring($params) {
       ));
     }
     else {
+      CRM_Twingle_Tools::$protection_suspended = TRUE;
       $contribution = civicrm_api3('ContributionRecur', 'create', array(
         'id' => $contribution['id'],
         'end_date' => $params['ended_at'],
-        'contribution_status_id' => 'Completed',
+        'contribution_status_id' => CRM_Twingle_Submission::CONTRIBUTION_STATUS_COMPLETED,
       ));
+      CRM_Twingle_Tools::$protection_suspended = FALSE;
     }
 
     $result = civicrm_api3_create_success($contribution);

api/v3/TwingleDonation/Submit.php

@@ -238,6 +238,13 @@ function _civicrm_api3_twingle_donation_Submit_spec(&$params) {
     'api.required' => 0,
     'description' => E::ts('The CiviCRM ID of a campaign to assign the contribution.'),
   );
+  $params['custom_fields'] = array(
+    'name'         => 'custom_fields',
+    'title'        => E::ts('Custom fields'),
+    'type'         => CRM_Utils_Type::T_STRING,
+    'api.required' => 0,
+    'description'  => E::ts('Additional information for either the contact or the (recurring) contribution.'),
+  );
 }
 
 /**
@@ -271,10 +278,10 @@ function civicrm_api3_twingle_donation_Submit($params) {
     // Do not process an already existing contribution with the given
     // transaction ID.
     $existing_contribution = civicrm_api3('Contribution', 'get', array(
-      'trxn_id' => $params['trx_id']
+      'trxn_id' => $profile->getTransactionID($params['trx_id'])
     ));
     $existing_contribution_recur = civicrm_api3('ContributionRecur', 'get', array(
-      'trxn_id' => $params['trx_id']
+      'trxn_id' => $profile->getTransactionID($params['trx_id'])
     ));
     if ($existing_contribution['count'] > 0 || $existing_contribution_recur['count'] > 0) {
       throw new CiviCRM_API3_Exception(
@@ -283,6 +290,27 @@ function civicrm_api3_twingle_donation_Submit($params) {
       );
     }
 
+    // Extract custom field values using the profile's mapping of Twingle fields
+    // to CiviCRM custom fields.
+    $custom_fields = array();
+    if (!empty($params['custom_fields'])) {
+      $custom_field_mapping = $profile->getCustomFieldMapping();
+
+      foreach (json_decode($params['custom_fields']) as $twingle_field => $value) {
+        if (isset($custom_field_mapping[$twingle_field])) {
+          // Get custom field definition to store values by entity the field
+          // extends.
+          $custom_field_id = substr($custom_field_mapping[$twingle_field], strlen('custom_'));
+          $custom_field = civicrm_api3('CustomField', 'getsingle', array(
+            'id' => $custom_field_id,
+            // Chain a CustomGroup.getsingle API call.
+            'api.CustomGroup.getsingle' => array(),
+          ));
+          $custom_fields[$custom_field['api.CustomGroup.getsingle']['extends']][$custom_field_mapping[$twingle_field]] = $value;
+        }
+      }
+    }
+
     // Create contact(s).
     if ($params['is_anonymous']) {
       // Retrieve the ID of the contact to use for anonymous donations defined
@@ -349,11 +377,21 @@ function civicrm_api3_twingle_donation_Submit($params) {
                  'user_email' => 'email',
                  'user_telephone' => 'phone',
                  'user_title' => 'formal_title',
+                 'debit_iban' => 'iban',
                ) as $contact_param => $contact_component) {
         if (!empty($params[$contact_param])) {
           $contact_data[$contact_component] = $params[$contact_param];
         }
       }
+
+      // Add custom field values.
+      if (!empty($custom_fields['Contact'])) {
+        $contact_data += $custom_fields['Contact'];
+      }
+      if (!empty($custom_fields['Individual'])) {
+        $contact_data += $custom_fields['Individual'];
+      }
+
       if (!$contact_id = CRM_Twingle_Submission::getContact(
         'Individual',
         $contact_data
@@ -378,6 +416,12 @@ function civicrm_api3_twingle_donation_Submit($params) {
         $organisation_data = array(
           'organization_name' => $params['organization_name'],
         );
+
+        // Add custom field values.
+        if (!empty($custom_fields['Organization'])) {
+          $organisation_data += $custom_fields['Organization'];
+        }
+
         if (!empty($submitted_address)) {
           $organisation_data += $submitted_address;
           // Use configured location type for organisation address.
@@ -467,12 +511,17 @@ function civicrm_api3_twingle_donation_Submit($params) {
     $contribution_data = array(
       'contact_id' => (isset($organisation_id) ? $organisation_id : $contact_id),
       'currency' => $params['currency'],
-      'trxn_id' => $params['trx_id'],
+      'trxn_id' => $profile->getTransactionID($params['trx_id']),
       'payment_instrument_id' => $params['payment_instrument_id'],
       'amount' => $params['amount'] / 100,
       'total_amount' => $params['amount'] / 100,
     );
 
+    // Add custom field values.
+    if (!empty($custom_fields['Contribution'])) {
+      $contribution_data += $custom_fields['Contribution'];
+    }
+
     if (!empty($params['purpose'])) {
       $contribution_data['note'] = $params['purpose'];
     }
@@ -526,6 +575,10 @@ function civicrm_api3_twingle_donation_Submit($params) {
         )
       // ... and frequency unit and interval from a static mapping.
       + CRM_Twingle_Submission::getFrequencyMapping($params['donation_rhythm']);
+      // Add custom field values.
+      if (!empty($custom_fields['ContributionRecur'])) {
+        $mandate_data += $custom_fields['ContributionRecur'];
+      }
 
       // Add cycle day for recurring contributions.
       if ($params['donation_rhythm'] != 'one_time') {
@@ -557,6 +610,13 @@ function civicrm_api3_twingle_donation_Submit($params) {
             'financial_type_id' => $profile->getAttribute('financial_type_id_recur'),
           )
           + CRM_Twingle_Submission::getFrequencyMapping($params['donation_rhythm']);
+
+        // Add custom field values.
+        if (!empty($custom_fields['ContributionRecur'])) {
+          $contribution_recur_data += $custom_fields['ContributionRecur'];
+          $contribution_data += $custom_fields['ContributionRecur'];
+        }
+
         $contribution_recur = civicrm_api3('contributionRecur', 'create', $contribution_recur_data);
         if ($contribution_recur['is_error']) {
           throw new CiviCRM_API3_Exception(
@@ -573,7 +633,7 @@ function civicrm_api3_twingle_donation_Submit($params) {
 
       // Create contribution.
       $contribution_data += array(
-        'contribution_status_id' => 'Completed',
+        'contribution_status_id' => $profile->getAttribute("pi_{$params['payment_method']}_status", CRM_Twingle_Submission::CONTRIBUTION_STATUS_COMPLETED),
         'receive_date' => $params['confirmed_at'],
       );
       $contribution = civicrm_api3('Contribution', 'create', $contribution_data);

info.xml

@@ -19,6 +19,7 @@
   <develStage>dev</develStage>
   <compatibility>
     <ver>4.7</ver>
+    <ver>5.0</ver>
   </compatibility>
   <comments></comments>
   <requires>

settings/twingle.setting.php

@@ -31,4 +31,32 @@ return array(
     'is_contact' => 0,
     'description' => 'Whether to provide CiviSEPA functionality for manual debit payment method. This requires the CiviSEPA (org.project60.sepa) extension be installed.',
   ),
+  'twingle_protect_recurring' => array(
+      'group_name' => 'de.systopia.twingle',
+      'group' => 'de.systopia.twingle',
+      'name' => 'twingle_protect_recurring',
+      'type' => 'Boolean',
+      'quick_form_type' => 'YesNo',
+      'html_type' => 'radio',
+      'title' => 'Protect Recurring Contributions',
+      'default' => 0,
+      'add' => '4.6',
+      'is_domain' => 1,
+      'is_contact' => 0,
+      'description' => 'Will protect all recurring contributions created by Twingle from termination, since this does NOT terminate the Twingle collection process. Currently only works with a prefix',
+  ),
+  'twingle_prefix' => array(
+      'group_name' => 'de.systopia.twingle',
+      'group' => 'de.systopia.twingle',
+      'name' => 'twingle_prefix',
+      'type' => CRM_Utils_Type::T_STRING,
+      'quick_form_type' => 'Element',
+      'html_type' => 'text',
+      'title' => 'Twingle ID Prefix',
+      'default' => '',
+      'add' => '4.6',
+      'is_domain' => 1,
+      'is_contact' => 0,
+      'description' => 'You can use this setting to add a prefix to the Twingle transaction ID, in order to avoid collisions with other transaction ids.',
+  ),
 );

templates/CRM/Twingle/Form/Profile.hlp

@@ -16,6 +16,11 @@
     {ts domain="de.systopia.twingle"}Select which location type to use for addresses for individuals, either when no organisation name is specified, or an organisation address can not be shared with the individual contact.{/ts}
 {/htxt}
 
+{htxt id='id-project_ids'}
+    {ts domain="de.systopia.twingle"}Put your project's Twingle ID in here, to activate this profile for that project.{/ts}
+    {ts domain="de.systopia.twingle"}You can also provide multiple project IDs separated by a comma.{/ts}
+{/htxt}
+
 {htxt id='id-location_type_id_organisation'}
     {ts domain="de.systopia.twingle"}Select which location type to use for addresses for organisations and shared organisation addresses for individual contacts.{/ts}
 {/htxt}
@@ -27,3 +32,17 @@
 {htxt id='id-financial_type_id_recur'}
     {ts domain="de.systopia.twingle"}Select which financial type to use for recurring contributions.{/ts}
 {/htxt}
+
+{htxt id='id-custom_field_mapping'}
+    {ts domain="de.systopia.twingle"}<p>Map Twingle custom fields to CiviCRM custom fields using the following format (each assignment in a separate line):</p>
+    <pre>twingle_field_1=custom_123<br />twingle_field_2=custom_789</pre>
+    <p>Always use the <code>custom_[id]</code> notation for CiviCRM custom fields.</p>
+    <p>Only custom fields extending one of the following CiviCRM entities are allowed:</p>
+    <ul>
+      <li><strong>Contact</strong> &ndash; Will be set on the Individual contact</li>
+      <li><strong>Individual</strong> &ndash; Will be set on the Individual contact</li>
+      <li><strong>Organization</strong> &ndash; Will be set on the Organization contact, if an organisation name was submitted</li>
+      <li><strong>Contribution</strong> &ndash; Will be set on the contribution</li>
+      <li><strong>ContributionRecur</strong> &ndash; Will be set on the recurring contribution and deriving single contributions</li>
+    </ul>{/ts}
+{/htxt}

templates/CRM/Twingle/Form/Profile.tpl

@@ -28,7 +28,23 @@
         </tr>
 
         <tr class="crm-section">
-          <td class="label">{$form.selector.label}</td>
+          <td class="label">{$form.selector.label}
+            <a
+                    onclick='
+                            CRM.help(
+                            "{ts domain="de.systopia.twingle"}Project IDs{/ts}",
+                    {literal}{
+                      "id": "id-project_ids",
+                      "file": "CRM\/Twingle\/Form\/Profile"
+                    }{/literal}
+                            );
+                            return false;
+                            '
+                    href="#"
+                    title="{ts domain="de.systopia.twingle"}Help{/ts}"
+                    class="helpicon"
+            ></a>
+          </td>
           <td class="content">{$form.selector.html}</td>
         </tr>
 
@@ -151,8 +167,14 @@
       <table class="form-layout-compressed">
         {foreach key=pi_name item=pi_label from=$payment_instruments}
           <tr class="crm-section {cycle values="odd,even"}">
+
             <td class="label">{$form.$pi_name.label}</td>
             <td class="content">{$form.$pi_name.html}</td>
+
+            {capture assign="pi_contribution_status"}{$pi_name}_status{/capture}
+            <td class="label">{$form.$pi_contribution_status.label}</td>
+            <td class="content">{$form.$pi_contribution_status.html}</td>
+
           </tr>
         {/foreach}
       </table>
@@ -161,7 +183,7 @@
 
     <fieldset>
 
-      <legend>{ts domain="de.systopia.twingle"}Groups{/ts}</legend>
+      <legend>{ts domain="de.systopia.twingle"}Groups and Correlations{/ts}</legend>
 
       <table class="form-layout-compressed">
 
@@ -195,6 +217,28 @@
           <td class="content">{$form.contribution_source.html}</td>
         </tr>
 
+        <tr class="crm-section">
+          <td class="label">
+            {$form.custom_field_mapping.label}
+            <a
+                    onclick='
+                            CRM.help(
+                            "{ts domain="de.systopia.twingle"}Custom field mapping{/ts}",
+                    {literal}{
+                      "id": "id-custom_field_mapping",
+                      "file": "CRM\/Twingle\/Form\/Profile"
+                    }{/literal}
+                            );
+                            return false;
+                            '
+                    href="#"
+                    title="{ts domain="de.systopia.twingle"}Help{/ts}"
+                    class="helpicon"
+            ></a>
+          </td>
+          <td class="content">{$form.custom_field_mapping.html}</td>
+        </tr>
+
       </table>
 
     </fieldset>

templates/CRM/Twingle/Form/Settings.hlp

@@ -15,3 +15,11 @@
 {htxt id='id-twingle_use_sepa'}
     {ts domain="de.systopia.twingle" 1="<a href=\"https://github.com/project60/org.project60.sepa\" target=\"_blank\">CiviSEPA (<kbd>org.project60.sepa</kbd>) extension</a>"}When the %1 is enabled and one of its payment instruments is assigned to a Twingle payment method (practically the <em>debit_manual</em> payment method), submitting a Twingle donation through the API will create a SEPA mandate with the given data.{/ts}
 {/htxt}
+
+{htxt id='id-twingle_protect_recurring'}
+    {ts domain="de.systopia.twingle"}Will protect all recurring contributions created by Twingle from termination, since this does NOT terminate the Twingle collection process{/ts}
+{/htxt}
+
+{htxt id='id-twingle_prefix'}
+    {ts domain="de.systopia.twingle"}You can use this setting to add a prefix to the Twingle transaction ID, in order to avoid collisions with other transaction ids.{/ts}
+{/htxt}

templates/CRM/Twingle/Page/Profiles.tpl

@@ -39,6 +39,7 @@
           </td>
           <td>
             <a href="{crmURL p="civicrm/admin/settings/twingle/profile" q="op=edit&name=$profile_name"}" title="{ts domain="de.systopia.twingle" 1=$profile.name}Edit profile %1{/ts}" class="action-item crm-hover-button">{ts domain="de.systopia.twingle"}Edit{/ts}</a>
+            <a href="{crmURL p="civicrm/admin/settings/twingle/profile" q="op=copy&name=$profile_name"}" title="{ts domain="de.systopia.twingle" 1=$profile.name}Copy profile %1{/ts}" class="action-item crm-hover-button">{ts domain="de.systopia.twingle"}Copy{/ts}</a>
             {if $profile_name == 'default'}
               <a href="{crmURL p="civicrm/admin/settings/twingle/profile" q="op=delete&name=$profile_name"}" title="{ts domain="de.systopia.twingle" 1=$profile.name}Reset profile %1{/ts}" class="action-item crm-hover-button">{ts domain="de.systopia.twingle"}Reset{/ts}</a>
             {else}

twingle.php

@@ -3,6 +3,15 @@
 require_once 'twingle.civix.php';
 use CRM_Twingle_ExtensionUtil as E;
 
+/**
+ * Implements hook_civicrm_pre().
+ */
+function twingle_civicrm_pre($op, $objectName, $id, &$params) {
+  if ($objectName == 'ContributionRecur' && $op == 'edit') {
+    CRM_Twingle_Tools::checkRecurringContributionChange($id, $params);
+  }
+}
+
 /**
  * Implements hook_civicrm_config().
  *