2 files changed, 35 insertions, 3 deletions
diff --git a/src/include/taler_merchant_service.h b/src/include/taler_merchant_service.h
index 057c9eff..537a2485 100644
--- a/src/include/taler_merchant_service.h
+++ b/src/include/taler_merchant_service.h
@@ -1516,12 +1516,12 @@ struct TALER_MERCHANT_ProductGetResponse
       struct TALER_Amount price;
 
       /**
-       * base64-encoded product image
+       * base64-encoded product image, can be NULL if none is set.
        */
       const char *image;
 
       /**
-       * list of taxes paid by the merchant
+       * list of taxes paid by the merchant, can be NULL if no taxes were specified.
        */
       const json_t *taxes;
 
@@ -1544,7 +1544,7 @@ struct TALER_MERCHANT_ProductGetResponse
       uint64_t total_lost;
 
       /**
-       * where the product is in stock
+       * where the product is in stock, can be NULL if no location was given.
        */
       const json_t *location;
 
diff --git a/src/include/taler_merchantdb_plugin.h b/src/include/taler_merchantdb_plugin.h
index 44fdc0ab..12b13e33 100644
--- a/src/include/taler_merchantdb_plugin.h
+++ b/src/include/taler_merchantdb_plugin.h
@@ -335,6 +335,22 @@ struct TALER_MERCHANTDB_ProductDetails
 
 
 /**
+ * Typically called by `lookup_all_products`.
+ *
+ * @param cls a `json_t *` JSON array to build
+ * @param product_serial row ID of the product
+ * @param product_id ID of the product
+ * @param pd full product details
+ */
+typedef void
+(*TALER_MERCHANTDB_ProductCallback)(
+  void *cls,
+  uint64_t product_serial,
+  const char *product_id,
+  const struct TALER_MERCHANTDB_ProductDetails *pd);
+
+
+/**
  * Typically called by `lookup_templates`.
  *
  * @param cls closure
@@ -1619,6 +1635,22 @@ struct TALER_MERCHANTDB_Plugin
                      TALER_MERCHANTDB_ProductsCallback cb,
                      void *cb_cls);
 
+
+  /**
+   * Lookup full details of all of the products the given instance has configured (expensive).
+   *
+   * @param cls closure
+   * @param instance_id instance to lookup products for
+   * @param cb function to call on all products found
+   * @param cb_cls closure for @a cb
+   * @return database result code
+   */
+  enum GNUNET_DB_QueryStatus
+  (*lookup_all_products)(void *cls,
+                         const char *instance_id,
+                         TALER_MERCHANTDB_ProductCallback cb,
+                         void *cb_cls);
+
   /**
    * Lookup details about a particular product.
    *