From b84b32e08b6f89fbfed53e334f870298a43e6d2a Mon Sep 17 00:00:00 2001
From: Martin <git@mail.de>
Date: Thu, 3 Apr 2025 15:29:00 +0200
Subject: [PATCH] OZG-7872 use enum instead of string; adjust naming; remove
 redundant order

---
 .../common/command/CommandModelAssembler.java | 16 ++--
 .../alfa/common/command/CommandProcessor.java | 11 +--
 .../PostfachNachrichtCommandProcessor.java    | 25 +++--
 .../common/command/CommandProcessorTest.java  | 93 ++++++++++++++-----
 ...PostfachNachrichtCommandProcessorTest.java |  8 +-
 5 files changed, 98 insertions(+), 55 deletions(-)

diff --git a/alfa-service/src/main/java/de/ozgcloud/alfa/common/command/CommandModelAssembler.java b/alfa-service/src/main/java/de/ozgcloud/alfa/common/command/CommandModelAssembler.java
index 467466ef0b..eb69a13aeb 100644
--- a/alfa-service/src/main/java/de/ozgcloud/alfa/common/command/CommandModelAssembler.java
+++ b/alfa-service/src/main/java/de/ozgcloud/alfa/common/command/CommandModelAssembler.java
@@ -58,15 +58,13 @@ class CommandModelAssembler implements RepresentationModelAssembler<Command, Ent
 
 	static final Predicate<Command> HAS_KNOWN_COMMAND_ORDER = command -> command.getCommandOrder() != CommandOrder.UNBEKANNT;
 
-	private static final List<String> NOT_PROCESSABLE_ORDER = List.of(
-			CommandOrder.RECEIVE_POSTFACH_NACHRICHT.name(),
-			CommandOrder.RESEND_POSTFACH_MAIL.name(),
-			CommandOrder.SEND_POSTFACH_MAIL.name(),
-			CommandOrder.SEND_POSTFACH_NACHRICHT.name(),
-			CommandOrder.RESEND_POSTFACH_MAIL.name(),
-			CommandOrder.RECEIVE_POSTFACH_NACHRICHT.name());
-
-	static final Predicate<Command> IS_PROCESSABLE_ORDER = command -> !NOT_PROCESSABLE_ORDER.contains(command.getOrder());
+	private static final List<CommandOrder> ORDER_PROCESSED_SEPERATELY = List.of(
+			CommandOrder.RECEIVE_POSTFACH_NACHRICHT,
+			CommandOrder.RESEND_POSTFACH_MAIL,
+			CommandOrder.SEND_POSTFACH_MAIL,
+			CommandOrder.SEND_POSTFACH_NACHRICHT);
+
+	static final Predicate<Command> IS_PROCESSABLE_ORDER = command -> !ORDER_PROCESSED_SEPERATELY.contains(command.getCommandOrder());
 
 	private final List<CommandProcessor> processors;
 
diff --git a/alfa-service/src/main/java/de/ozgcloud/alfa/common/command/CommandProcessor.java b/alfa-service/src/main/java/de/ozgcloud/alfa/common/command/CommandProcessor.java
index a7343b9a3f..77d8d40bf0 100644
--- a/alfa-service/src/main/java/de/ozgcloud/alfa/common/command/CommandProcessor.java
+++ b/alfa-service/src/main/java/de/ozgcloud/alfa/common/command/CommandProcessor.java
@@ -1,7 +1,6 @@
 package de.ozgcloud.alfa.common.command;
 
 import java.util.Objects;
-import java.util.function.Predicate;
 
 import org.springframework.hateoas.EntityModel;
 import org.springframework.hateoas.LinkRelation;
@@ -12,8 +11,6 @@ public abstract class CommandProcessor {
 	static final LinkRelation REL_EFFECTED_RESOURCE = LinkRelation.of("effected_resource");
 	static final LinkRelation REL_RELATED_RESOURCE = LinkRelation.of("related_resource");
 
-	static final Predicate<Command> HAS_KNOWN_COMMAND_ORDER = command -> command.getCommandOrder() != CommandOrder.UNBEKANNT;
-
 	public void process(EntityModel<Command> model) {
 		var command = model.getContent();
 
@@ -21,17 +18,17 @@ public abstract class CommandProcessor {
 			return;
 		}
 
-		model.addIf(CommandHelper.IS_DONE.test(command) && isResponsibleForEffectedResource(command.getOrder()),
+		model.addIf(CommandHelper.IS_DONE.test(command) && isResponsibleForEffectedResource(command.getCommandOrder()),
 				() -> createEffectedResourceLinkBuilder(command).withRel(REL_EFFECTED_RESOURCE));
-		model.addIf(isResponsible(command.getOrder()),
+		model.addIf(isResponsibleForRelatedResource(command.getCommandOrder()),
 				() -> createRelatedResourceLinkBuilder(command).withRel(REL_RELATED_RESOURCE));
 	}
 
-	public abstract boolean isResponsibleForEffectedResource(String order);
+	public abstract boolean isResponsibleForEffectedResource(CommandOrder order);
 
 	public abstract WebMvcLinkBuilder createEffectedResourceLinkBuilder(Command command);
 
-	public abstract boolean isResponsible(String order);
+	public abstract boolean isResponsibleForRelatedResource(CommandOrder order);
 
 	public abstract WebMvcLinkBuilder createRelatedResourceLinkBuilder(Command command);
 }
\ No newline at end of file
diff --git a/alfa-service/src/main/java/de/ozgcloud/alfa/postfach/PostfachNachrichtCommandProcessor.java b/alfa-service/src/main/java/de/ozgcloud/alfa/postfach/PostfachNachrichtCommandProcessor.java
index 72f871b053..358f358b47 100644
--- a/alfa-service/src/main/java/de/ozgcloud/alfa/postfach/PostfachNachrichtCommandProcessor.java
+++ b/alfa-service/src/main/java/de/ozgcloud/alfa/postfach/PostfachNachrichtCommandProcessor.java
@@ -3,7 +3,6 @@ package de.ozgcloud.alfa.postfach;
 import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.*;
 
 import java.util.List;
-import java.util.Optional;
 
 import org.springframework.hateoas.server.mvc.WebMvcLinkBuilder;
 import org.springframework.stereotype.Component;
@@ -15,19 +14,19 @@ import de.ozgcloud.alfa.common.command.CommandProcessor;
 @Component
 public class PostfachNachrichtCommandProcessor extends CommandProcessor {
 
-	private static final List<String> RESPONSIBLE_ORDER = List.of(
-			CommandOrder.RECEIVE_POSTFACH_NACHRICHT.name(),
-			CommandOrder.RESEND_POSTFACH_MAIL.name());
+	private static final List<CommandOrder> RESPONSIBLE_ORDER = List.of(
+			CommandOrder.RECEIVE_POSTFACH_NACHRICHT,
+			CommandOrder.RESEND_POSTFACH_MAIL);
 
-	private static final List<String> RESPONSIBLE_EFFECTED_RESOURCE_ORDER = List.of(
-			CommandOrder.SEND_POSTFACH_MAIL.name(),
-			CommandOrder.SEND_POSTFACH_NACHRICHT.name(),
-			CommandOrder.RESEND_POSTFACH_MAIL.name(),
-			CommandOrder.RECEIVE_POSTFACH_NACHRICHT.name());
+	private static final List<CommandOrder> RESPONSIBLE_EFFECTED_RESOURCE_ORDER = List.of(
+			CommandOrder.SEND_POSTFACH_MAIL,
+			CommandOrder.SEND_POSTFACH_NACHRICHT,
+			CommandOrder.RESEND_POSTFACH_MAIL,
+			CommandOrder.RECEIVE_POSTFACH_NACHRICHT);
 
 	@Override
-	public boolean isResponsible(String order) {
-		return Optional.ofNullable(order).map(RESPONSIBLE_ORDER::contains).orElse(false);
+	public boolean isResponsibleForRelatedResource(CommandOrder order) {
+		return RESPONSIBLE_ORDER.contains(order);
 	}
 
 	@Override
@@ -36,8 +35,8 @@ public class PostfachNachrichtCommandProcessor extends CommandProcessor {
 	}
 
 	@Override
-	public boolean isResponsibleForEffectedResource(String order) {
-		return Optional.ofNullable(order).map(RESPONSIBLE_EFFECTED_RESOURCE_ORDER::contains).orElse(false);
+	public boolean isResponsibleForEffectedResource(CommandOrder order) {
+		return RESPONSIBLE_EFFECTED_RESOURCE_ORDER.contains(order);
 	}
 
 	@Override
diff --git a/alfa-service/src/test/java/de/ozgcloud/alfa/common/command/CommandProcessorTest.java b/alfa-service/src/test/java/de/ozgcloud/alfa/common/command/CommandProcessorTest.java
index 224152f96e..d62ad2e600 100644
--- a/alfa-service/src/test/java/de/ozgcloud/alfa/common/command/CommandProcessorTest.java
+++ b/alfa-service/src/test/java/de/ozgcloud/alfa/common/command/CommandProcessorTest.java
@@ -21,6 +21,11 @@ class CommandProcessorTest {
 	@Nested
 	class TestProcess {
 
+		private final Command command = CommandTestFactory.create();
+		private final EntityModel<Command> model = EntityModel.of(command);
+
+		private final WebMvcLinkBuilder linkBuilder = WebMvcLinkBuilder.linkTo(CommandController.class).slash("id");
+
 		@Test
 		void shouldNotThrowExceptionsOnNullContent() {
 			EntityModel<Command> entityModel = when(mock(EntityModel.class).getContent()).thenReturn(null).getMock();
@@ -28,49 +33,93 @@ class CommandProcessorTest {
 			assertDoesNotThrow(() -> processor.process(entityModel));
 		}
 
-		@DisplayName("effected resource link")
+		@DisplayName("effected resource")
 		@Nested
 		class TestEffectedResource {
 
+			@DisplayName("should verify if responsibility is related to the order")
+			@Test
+			void shouldCallIsResponsibleForEffectedResource() {
+				processor.process(model);
+
+				verify(processor).isResponsibleForEffectedResource(CommandOrder.fromOrder(CommandTestFactory.ORDER));
+			}
+
+			@DisplayName("should create link builder for effected resource if the responsibility matches")
 			@Test
-			void shouldBeAddedIfResponsible() {
-				var linkBuilder = WebMvcLinkBuilder.linkTo(CommandController.class).slash("id");
-				doReturn(true).when(processor).isResponsibleForEffectedResource(any());
+			void shouldCallCreateEffectedResourceLinkBuilder() {
+				when(processor.isResponsibleForEffectedResource(any())).thenReturn(true);
 				doReturn(linkBuilder).when(processor).createEffectedResourceLinkBuilder(any());
-				var command = CommandTestFactory.createBuilder().status(CommandStatus.FINISHED).build();
-				var entityModel = EntityModel.of(command);
 
-				processor.process(entityModel);
+				processor.process(model);
 
-				assertThat(entityModel.getLink(CommandProcessor.REL_EFFECTED_RESOURCE).get().getHref()).isEqualTo("/api/commands/id");
+				verify(processor).createEffectedResourceLinkBuilder(command);
 			}
 
-			@Test
-			void shouldNotBeAddedIfCommandNotDone() {
-				var command = CommandTestFactory.createBuilder().status(CommandStatus.PENDING).build();
-				var entityModel = EntityModel.of(command);
+			@DisplayName("link")
+			@Nested
+			class TestEffectedResourceLink {
+
+				@Test
+				void shouldBeAddedIfResponsible() {
+					doReturn(true).when(processor).isResponsibleForEffectedResource(any());
+					doReturn(linkBuilder).when(processor).createEffectedResourceLinkBuilder(any());
+					var finishedCommand = CommandTestFactory.createBuilder().status(CommandStatus.FINISHED).build();
+					var entityModel = EntityModel.of(finishedCommand);
+
+					processor.process(entityModel);
+
+					assertThat(entityModel.getLink(CommandProcessor.REL_EFFECTED_RESOURCE).get().getHref()).isEqualTo("/api/commands/id");
+				}
 
-				processor.process(entityModel);
+				@Test
+				void shouldNotBeAddedIfCommandNotDone() {
+					var pendingCommand = CommandTestFactory.createBuilder().status(CommandStatus.PENDING).build();
+					var entityModel = EntityModel.of(pendingCommand);
 
-				assertThat(entityModel.getLink(CommandProcessor.REL_EFFECTED_RESOURCE)).isNotPresent();
+					processor.process(entityModel);
+
+					assertThat(entityModel.getLink(CommandProcessor.REL_EFFECTED_RESOURCE)).isNotPresent();
+				}
 			}
 		}
 
-		@DisplayName("related resource link")
+		@DisplayName("related resource")
 		@Nested
 		class TestRelatedResource {
 
+			@DisplayName("should verify if responsibility is related to the order")
+			@Test
+			void shouldCallIsResponsibleForRelatedResource() {
+				processor.process(model);
+
+				verify(processor).isResponsibleForRelatedResource(CommandOrder.fromOrder(CommandTestFactory.ORDER));
+			}
+
+			@DisplayName("should create link builder for related resource if the responsibility matches")
 			@Test
-			void shouldBeAddedIfResponsible() {
-				var linkBuilder = WebMvcLinkBuilder.linkTo(CommandController.class).slash("id");
-				doReturn(true).when(processor).isResponsible(any());
+			void shouldCallCreateRelatedResourceLinkBuilder() {
+				when(processor.isResponsibleForRelatedResource(any())).thenReturn(true);
 				doReturn(linkBuilder).when(processor).createRelatedResourceLinkBuilder(any());
-				var command = CommandTestFactory.create();
-				var entityModel = EntityModel.of(command);
 
-				processor.process(entityModel);
+				processor.process(model);
+
+				verify(processor).createRelatedResourceLinkBuilder(command);
+			}
+
+			@DisplayName("link")
+			@Nested
+			class TestRelatedResourceLink {
+
+				@Test
+				void shouldBeAddedIfResponsible() {
+					doReturn(true).when(processor).isResponsibleForRelatedResource(any());
+					doReturn(linkBuilder).when(processor).createRelatedResourceLinkBuilder(any());
+
+					processor.process(model);
 
-				assertThat(entityModel.getLink(CommandProcessor.REL_RELATED_RESOURCE).get().getHref()).isEqualTo("/api/commands/id");
+					assertThat(model.getLink(CommandProcessor.REL_RELATED_RESOURCE).get().getHref()).isEqualTo("/api/commands/id");
+				}
 			}
 		}
 	}
diff --git a/alfa-service/src/test/java/de/ozgcloud/alfa/postfach/PostfachNachrichtCommandProcessorTest.java b/alfa-service/src/test/java/de/ozgcloud/alfa/postfach/PostfachNachrichtCommandProcessorTest.java
index a4d6b2272e..5b2cbca51b 100644
--- a/alfa-service/src/test/java/de/ozgcloud/alfa/postfach/PostfachNachrichtCommandProcessorTest.java
+++ b/alfa-service/src/test/java/de/ozgcloud/alfa/postfach/PostfachNachrichtCommandProcessorTest.java
@@ -29,7 +29,7 @@ class PostfachNachrichtCommandProcessorTest {
 			@EnumSource(mode = Mode.INCLUDE, names = { "RECEIVE_POSTFACH_NACHRICHT", "RESEND_POSTFACH_MAIL" })
 			@ParameterizedTest(name = "{0}")
 			void shouldReturnTrueOnOrder(CommandOrder order) {
-				var isResponsible = processor.isResponsible(order.name());
+				var isResponsible = processor.isResponsibleForRelatedResource(order);
 
 				assertThat(isResponsible).isTrue();
 			}
@@ -37,7 +37,7 @@ class PostfachNachrichtCommandProcessorTest {
 			@EnumSource(mode = Mode.EXCLUDE, names = { "RECEIVE_POSTFACH_NACHRICHT", "RESEND_POSTFACH_MAIL" })
 			@ParameterizedTest(name = "{0}")
 			void shouldReturnFalseOnOrder(CommandOrder order) {
-				var isResponsible = processor.isResponsible(order.name());
+				var isResponsible = processor.isResponsibleForRelatedResource(order);
 
 				assertThat(isResponsible).isFalse();
 			}
@@ -63,7 +63,7 @@ class PostfachNachrichtCommandProcessorTest {
 					"RECEIVE_POSTFACH_NACHRICHT" })
 			@ParameterizedTest(name = "{0}")
 			void shouldReturnTrueOnOrder(CommandOrder order) {
-				var isResponsible = processor.isResponsibleForEffectedResource(order.name());
+				var isResponsible = processor.isResponsibleForEffectedResource(order);
 
 				assertThat(isResponsible).isTrue();
 			}
@@ -72,7 +72,7 @@ class PostfachNachrichtCommandProcessorTest {
 					"RECEIVE_POSTFACH_NACHRICHT" })
 			@ParameterizedTest(name = "{0}")
 			void shouldReturnFalseOnOrder(CommandOrder order) {
-				var isResponsible = processor.isResponsibleForEffectedResource(order.name());
+				var isResponsible = processor.isResponsibleForEffectedResource(order);
 
 				assertThat(isResponsible).isFalse();
 			}
-- 
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