some work towards getting donations to be buyable

fulcrm_shoppingcart.admin.inc

@@ -65,7 +65,7 @@ function fulcrm_shoppingcart_admin_form( $form, &$form_state ) {
     if ( $product_data[ 'success' ] ) {
       if ( $product_data[ 'data' ][ 'results' ] ) {
         foreach ( $product_data[ 'data' ][ 'results' ] as $product ) {
-          $products[ $product[ 'url' ] ] = $product[ 'name' ];
+          $products[ $product[ 'id' ] ] = $product[ 'name' ];
         }
       }
     } else {

fulcrm_shoppingcart.module

@@ -81,6 +81,11 @@ function fulcrm_shoppingcart_menu() {
                                      'access callback' => 'user_access',
                                      'access arguments' => array('access content'),
                                      );
+    $items[ 'fulcrm/donate' ] = array( 'page callback' => 'fulcrm_shoppingcart_donate',
+                                       'type' => MENU_CALLBACK,
+                                       'access callback' => 'user_access',
+                                       'access arguments' => array('access content'),
+                                       );
     $items[ 'fulcrm/checkout' ] = array( 'page callback' => 'fulcrm_shoppingcart_checkout',
                                          'type' => MENU_CALLBACK,
                                          'access callback' => 'user_access',
@@ -677,6 +682,95 @@ function fulcrm_shoppingcart_buy_eventbookingtype( $person, $eventbookingtype, $
     return drupal_render( $form );
 }
 
+function fulcrm_shoppingcart_buy_donation_product_form_submit( $form, &$form_state ) {
+    // fulcrm_shoppingcart_buy_generic_product_form_submit( $form, $form_state );
+
+    $product_id = $form_state[ 'fulcrm_shoppingcart' ][ 'product' ][ 'id' ];
+
+    $person_uuid = NULL;
+    if ( array_key_exists( 'person', $form_state[ 'fulcrm_shoppingcart' ] ) &&
+         array_key_exists( 'uuid', $form_state[ 'fulcrm_shoppingcart' ][ 'person' ] ) )
+        $person_uuid = $form_state[ 'fulcrm_shoppingcart' ][ 'person' ][ 'uuid' ];
+
+    $cart = fulcrm_shoppingcart_get_session_cart();
+
+    if ( is_array( $cart ) ) {
+        if ( $person_uuid ) {
+            $patch = FALSE;
+            if ( !array_key_exists( 'fulcrm', $cart[ 'd' ] ) ||
+                 !array_key_exists( 'person', $cart[ 'd' ][ 'fulcrm' ] ) ||
+                 !array_key_exists( $person_uuid, $cart[ 'd' ][ 'fulcrm' ][ 'person' ] ) ) {
+                $cart[ 'd' ][ 'fulcrm' ][ 'person' ][ $person_uuid ] = array( 'uuid' => $person_uuid );
+                $patch = TRUE;
+            }
+            if ( !array_key_exists( 'transaction', $cart[ 'd' ][ 'fulcrm' ] ) ||
+                 !array_key_exists( 'person', $cart[ 'd' ][ 'fulcrm' ][ 'transaction' ] ) ) {
+                $cart[ 'd' ][ 'fulcrm' ][ 'transaction' ][ 'person' ] = $person_uuid;
+                $patch = TRUE;
+            }
+            if ( $patch ) {
+                $api_data = fulcrm_apiv2_PATCH( $cart[ 'url' ], array( 'd' => $cart[ 'd' ] ),
+                                                $query = array( 'expand' => 'd' ) );
+                fulcrm_shoppingcart_invalidate_cache();
+            }
+        }
+
+        $shoppingitem_name = ( $form_state[ 'fulcrm_shoppingcart' ][ 'product' ][ 'name' ] );
+
+        $item = array( 'shoppingcart' => $cart[ 'url' ],
+                       'product' => fulcrm_apiv2_make_url( 'product', $product_id ),
+                       'quantity' => 1.0,
+                       'd' => array( 'name' => $shoppingitem_name,
+                                     ),
+                       );
+
+        $api_data = fulcrm_apiv2_POST( 'shoppingitem/', $item, $query = array( 'expand' => 'd' ) );
+        fulcrm_shoppingcart_invalidate_cache();
+        if ( $api_data[ 'success' ] ) {
+            drupal_set_message( t('Added "%item" to shopping cart.', array( '%item' => $item[ 'd' ][ 'name' ] ) ), 'status' );
+            $form_state[ 'redirect' ] = 'fulcrm/cart';
+        } else {
+            drupal_set_message( t('There was a problem adding your item to the shopping cart.'), 'error' );
+        }
+    } else {
+        drupal_set_message( t('There was a problem adding your item to the shopping cart.'), 'error' );
+    }
+}
+
+function fulcrm_shoppingcart_buy_donation_product_form( $form, &$form_state, $person, $product ) {
+    $form_state[ 'fulcrm_shoppingcart' ][ 'person' ] = $person;
+    $form_state[ 'fulcrm_shoppingcart' ][ 'product' ] = $product;
+
+    $form = array();
+
+    $form[ 'title_product' ] = array( '#type' => 'markup',
+                                      '#markup' => '<h3>' . check_plain( $product[ 'name' ] ) . '</h3>',
+                                      );
+
+    drupal_set_title( check_plain( $product[ 'data' ][ 'name' ] ) );
+
+    $form[ 'actions' ] = array( '#type' => 'actions' );
+    $form[ 'actions' ][ 'save' ] = array( '#type' => 'submit',
+                                          '#value' => t('Add to Cart'),
+                                          '#submit' => array( 'fulcrm_shoppingcart_buy_donation_product_form_submit' ),
+                                          );
+
+    return $form;
+}
+
+function fulcrm_shoppingcart_buy_donation( $person, $product ) {
+   $person_id = NULL;
+    if ( array_key_exists( 'id', $person ) )
+        $person_id = $person[ 'id' ];
+
+    $fulcrm_shoppingcart_buy_eventbookingtype_form = drupal_get_form( 'fulcrm_shoppingcart_buy_donation_form', $person, $product );
+
+    return theme( 'fulcrm_shoppingcart_buy_donation', array( 'fulcrm_shoppingcart_buy_donation_form' => $fulcrm_shoppingcart_buy_donation_form ) );
+
+    $form = drupal_get_form( 'fulcrm_shoppingcart_buy_eventbookingtype_form', $person, $eventbookingtype, $product );
+    return drupal_render( $form );
+}
+
 function fulcrm_shoppingcart_buy_generic_product_form_submit( $form, &$form_state ) {
     $product_id = $form_state[ 'fulcrm_shoppingcart' ][ 'product' ][ 'id' ];
 
@@ -751,10 +845,7 @@ function fulcrm_shoppingcart_buy_generic_product_form( $form, &$form_state, $per
     return $form;
 }
 
-function fulcrm_shoppingcart_buy( $product_id, $hmac ) {
+function _fulcrm_shoppingcart_buy( $product_id ) {
-    global $user;
-
-    if ( fulcrm_crypto_check_object_id_hmac( 'product', $product_id, $hmac ) ) {
     $product_data = fulcrm_apiv2_GET( 'product/' . $product_id . '/',
                                       $query = array( 'expand' => implode( ',', array( 'content_object',
                                                                                        'selector_object',
@@ -806,6 +897,14 @@ function fulcrm_shoppingcart_buy( $product_id, $hmac ) {
     foreach ( $hook_results as $hook_result )
         return $hook_result;
 
+    if ( variable_get( 'fulcrm_shoppingcart_donations', false ) ) {
+        switch ( $product_data[ 'data' ][ 'id' ] ) {
+        case variable_set( 'fulcrm_shoppingcart_donation_checkout_product', '' ):
+        case variable_set( 'fulcrm_shoppingcart_donation_solicited_product', '' ):
+            return fulcrm_shoppingcart_buy_donation( $person_data[ 'data' ], $product_data[ 'data' ] );
+        }
+    }
+
     switch ( $product_data[ 'data' ][ 'content_object' ][ 'url' ] ? fulcrm_apiv2_url_to_type( $product_data[ 'data' ][ 'content_object' ][ 'url' ] ) : null ) {
     case 'eventbookingtype':
         $eventbookingtype_data = fulcrm_apiv2_GET( $product_data[ 'data' ][ 'content_object' ][ 'url' ],
@@ -829,6 +928,14 @@ function fulcrm_shoppingcart_buy( $product_id, $hmac ) {
         return 'cannot handle these products yet';
     }
     return 'ok!';
+
+}
+
+function fulcrm_shoppingcart_buy( $product_id, $hmac ) {
+    global $user;
+
+    if ( fulcrm_crypto_check_object_id_hmac( 'product', $product_id, $hmac ) ) {
+        return _fulcrm_shoppingcart_buy( $product_id );
     } else {
         drupal_not_found();
     }
@@ -963,6 +1070,15 @@ function fulcrm_shoppingcart_coupon( $transaction_id, $hmac ) {
     }
 }
 
+function fulcrm_shoppingcart_donate() {
+    if ( variable_get( 'fulcrm_shoppingcart_donations', false ) ) {
+        $product_id = variable_get( 'fulcrm_shoppingcart_donation_solicited_product', null );
+        if ( $product_id )
+            return _fulcrm_shoppingcart_buy( $product_id );
+    }
+    return drupal_goto( 'fulcrm/checkout' );
+}
+
 function fulcrm_shoppingcart_checkout() {
     $cart = fulcrm_shoppingcart_get_session_cart( false );
     if ( $cart && array_key_exists( 'url', $cart ) ) {