From e6278dc703a131b65981973cf401a9fbf9544693 Mon Sep 17 00:00:00 2001
From: Philip Helger <philip@helger.com>
Date: Wed, 6 Dec 2023 18:21:01 +0100
Subject: [PATCH] Added support to create MLR from ValidationResultList; #45

---
 peppol-mlr/pom.xml                            |  5 +++
 .../helger/peppol/mlr/PeppolMLRBuilder.java   | 37 +++++++++++++++++++
 .../peppol/mlr/PeppolMLRBuilderTest.java      |  6 ++-
 pom.xml                                       |  7 ++++
 4 files changed, 53 insertions(+), 2 deletions(-)

diff --git a/peppol-mlr/pom.xml b/peppol-mlr/pom.xml
index 9d817d02..5192519a 100644
--- a/peppol-mlr/pom.xml
+++ b/peppol-mlr/pom.xml
@@ -71,6 +71,11 @@
       <artifactId>peppol-id</artifactId>
     </dependency>
 
+    <dependency>
+      <groupId>com.helger.phive</groupId>
+      <artifactId>phive-api</artifactId>
+    </dependency>
+
     <dependency>
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
diff --git a/peppol-mlr/src/main/java/com/helger/peppol/mlr/PeppolMLRBuilder.java b/peppol-mlr/src/main/java/com/helger/peppol/mlr/PeppolMLRBuilder.java
index f8884d81..595cba9d 100644
--- a/peppol-mlr/src/main/java/com/helger/peppol/mlr/PeppolMLRBuilder.java
+++ b/peppol-mlr/src/main/java/com/helger/peppol/mlr/PeppolMLRBuilder.java
@@ -19,6 +19,7 @@
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
+import java.util.Locale;
 import java.util.UUID;
 
 import javax.annotation.Nonnull;
@@ -34,6 +35,7 @@
 import com.helger.commons.datetime.PDTFactory;
 import com.helger.commons.string.StringHelper;
 import com.helger.peppolid.IParticipantIdentifier;
+import com.helger.phive.api.result.ValidationResultList;
 
 import oasis.names.specification.ubl.schema.xsd.applicationresponse_21.ApplicationResponseType;
 import oasis.names.specification.ubl.schema.xsd.commonaggregatecomponents_21.DocumentReferenceType;
@@ -361,4 +363,39 @@ public static PeppolMLRBuilder rejection ()
     _init (ret);
     return ret;
   }
+
+  /**
+   * Create a predefined Peppol MLR builder based on the validation result list.
+   * If the list contains no error, {@link #acceptance()} is returned else
+   * {@link #rejection()} with the pre-filled lines is returned. Sender,
+   * Receiver and Reference ID need to be set manually anyway.
+   *
+   * @param aVRL
+   *        The Validation result list to evaluate. May not be
+   *        <code>null</code>.
+   * @return A new {@link PeppolMLRBuilder} and never <code>null</code>.
+   */
+  @Nonnull
+  public static PeppolMLRBuilder createForValidationResultList (@Nonnull final ValidationResultList aVRL)
+  {
+    ValueEnforcer.notNull (aVRL, "ValidationResultList");
+
+    // Overall status
+    final PeppolMLRBuilder aMLRBuilder = aVRL.containsNoError () ? acceptance () : rejection ();
+
+    // Add each warning/error
+    final Locale aDisplayLocale = Locale.US;
+    aVRL.forEachFlattened (aError -> {
+      // Single error or warning?
+      final PeppolMLRLineResponseBuilder aLineBuilder = aError.isError () ? PeppolMLRLineResponseBuilder.rejection ()
+                                                                                                        .statusReasonCodeBusinessRuleViolationFatal ()
+                                                                          : PeppolMLRLineResponseBuilder.acknowledging ()
+                                                                                                        .statusReasonCodeBusinessRuleViolationWarning ();
+      aMLRBuilder.addLineResponse (aLineBuilder.errorField (aError.getErrorFieldName ())
+                                               .description (StringHelper.getConcatenatedOnDemand (aError.getErrorID (),
+                                                                                                   " - ",
+                                                                                                   aError.getErrorText (aDisplayLocale))));
+    });
+    return aMLRBuilder;
+  }
 }
diff --git a/peppol-mlr/src/test/java/com/helger/peppol/mlr/PeppolMLRBuilderTest.java b/peppol-mlr/src/test/java/com/helger/peppol/mlr/PeppolMLRBuilderTest.java
index eb087c22..ee30a658 100644
--- a/peppol-mlr/src/test/java/com/helger/peppol/mlr/PeppolMLRBuilderTest.java
+++ b/peppol-mlr/src/test/java/com/helger/peppol/mlr/PeppolMLRBuilderTest.java
@@ -51,7 +51,8 @@ public void testMinimalNoLine ()
 
     if (false)
       LOGGER.info (new PeppolMLRMarshaller ().setFormattedOutput (true).getAsString (aMLR));
-    new PeppolMLRMarshaller ().setFormattedOutput (true).write (aMLR, new File ("generated/mlr1.xml"));
+    if (false)
+      new PeppolMLRMarshaller ().setFormattedOutput (true).write (aMLR, new File ("generated/mlr1.xml"));
   }
 
   @Test
@@ -72,6 +73,7 @@ public void testMinimalWithOneLine ()
 
     if (false)
       LOGGER.info (new PeppolMLRMarshaller ().setFormattedOutput (true).getAsString (aMLR));
-    new PeppolMLRMarshaller ().setFormattedOutput (true).write (aMLR, new File ("generated/mlr2.xml"));
+    if (false)
+      new PeppolMLRMarshaller ().setFormattedOutput (true).write (aMLR, new File ("generated/mlr2.xml"));
   }
 }
diff --git a/pom.xml b/pom.xml
index 71d2bf08..c8f5b88b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -124,6 +124,13 @@
         <type>pom</type>
         <scope>import</scope>
       </dependency>
+      <dependency>
+        <groupId>com.helger.phive</groupId>
+        <artifactId>phive-parent-pom</artifactId>
+        <version>9.0.0</version>
+        <type>pom</type>
+        <scope>import</scope>
+      </dependency>
 
       <dependency>
         <groupId>dnsjava</groupId>