From a4ca519e4172144272bdc5b7038df4bb7690651f Mon Sep 17 00:00:00 2001
From: Kota Nishizaki <kota.nishizaki@avanade.com>
Date: Wed, 28 Dec 2022 07:24:33 +0900
Subject: [PATCH] Add conditional branching based on the existence of an
 ExtraProperty item and an item value to the template in Demo sample

---
 samples/Demo/Beef.Demo.CodeGen/Beef.Demo.xml             | 2 +-
 .../Demo/Beef.Demo.CodeGen/Config/TestConfigEditor.cs    | 9 +++++++++
 samples/Demo/Beef.Demo.CodeGen/Templates/Test_cs.hbs     | 6 +++++-
 3 files changed, 15 insertions(+), 2 deletions(-)

diff --git a/samples/Demo/Beef.Demo.CodeGen/Beef.Demo.xml b/samples/Demo/Beef.Demo.CodeGen/Beef.Demo.xml
index 1a62d3537..67203e131 100644
--- a/samples/Demo/Beef.Demo.CodeGen/Beef.Demo.xml
+++ b/samples/Demo/Beef.Demo.CodeGen/Beef.Demo.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <CodeGeneration RefDataNamespace="Beef.Demo.Common.Entities" Grpc="true" ValidatorLayer="Business" MapperDefaultRefDataConverter="ReferenceDataCodeConverter" RefDataText="true" EventPublish="true" EventSourceKind="Relative" AppBasedAgentArgs="true" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="https://github.com/Avanade/Beef/raw/master/tools/Beef.CodeGen.Core/Schema/codegen.entity.xsd">
-  <Entity Name="Person" Text="Person" Implements="IETag, IChangeLog" Collection="true" CollectionResult="true" Grpc="true" Validator="PersonValidator" WebApiAuthorize="false" WebApiRoutePrefix="api/v1/persons" WebApiAutoLocation="true" Create="true" Delete="true" AutoImplement="Database" DatabaseSchema="Demo" EntityFrameworkEntity="EfModel.Person" DataCtorParams="Microsoft.Extensions.Logging.ILogger&lt;PersonData&gt;^Logger, Common.Agents.IPersonAgent" ManagerExtensions="true" DataSvcExtensions="true" DataExtensions="true" EventTransaction="true" TestCodeGen="true" TestExtra="Unknown-Config">
+  <Entity Name="Person" Text="Person" Implements="IETag, IChangeLog" Collection="true" CollectionResult="true" Grpc="true" Validator="PersonValidator" WebApiAuthorize="false" WebApiRoutePrefix="api/v1/persons" WebApiAutoLocation="true" Create="true" Delete="true" AutoImplement="Database" DatabaseSchema="Demo" EntityFrameworkEntity="EfModel.Person" DataCtorParams="Microsoft.Extensions.Logging.ILogger&lt;PersonData&gt;^Logger, Common.Agents.IPersonAgent" ManagerExtensions="true" DataSvcExtensions="true" DataExtensions="true" EventTransaction="true" TestCodeGen="true" TestExtra="Unknown-Config" TestExist="Exist-Value">
     <Property Name="Id" Text="{{Person}} identifier" Type="Guid" GrpcFieldNo="1" UniqueKey="true" IdentifierGenerator="IGuidIdentifierGenerator^GuidIdGen" DataName="PersonId" Annotation1="[System.Xml.Serialization.XmlElement(&quot;Id&quot;)]" />
     <Property Name="FirstName" Type="string" GrpcFieldNo="2" />
     <Property Name="LastName" Type="string" GrpcFieldNo="3" />
diff --git a/samples/Demo/Beef.Demo.CodeGen/Config/TestConfigEditor.cs b/samples/Demo/Beef.Demo.CodeGen/Config/TestConfigEditor.cs
index f226faecf..1bc3573a2 100644
--- a/samples/Demo/Beef.Demo.CodeGen/Config/TestConfigEditor.cs
+++ b/samples/Demo/Beef.Demo.CodeGen/Config/TestConfigEditor.cs
@@ -15,6 +15,15 @@ public Task AfterPrepareAsync(IRootConfig config)
                 // Look for the additional property added in the configuration file.
                 if (e.TryGetExtraProperty("TestCodeGen", out JValue val) && val.ToObject<bool>())
                     e.CustomProperties["TestExtra"] = $"XXX.{e.GetExtraProperty<JValue>("TestExtra")}.XXX"; // Add a new custom property that can be referenced in the template.
+
+                // In order to test the additional properties existence in the template,
+                // store whether the specified additional properties exist in the configuration file.
+                foreach (var name in new string[] { "TestExist", "TestNotExist" })
+                {
+                    bool defined = e.ExtraProperties?.ContainsKey(name) ?? false;
+                    e.CustomProperties[$"{name}-Defined"] = defined;
+                    e.CustomProperties[name] = defined ? e.GetExtraProperty<JValue>(name).Value : null;
+                }
             }
 
             return Task.CompletedTask;
diff --git a/samples/Demo/Beef.Demo.CodeGen/Templates/Test_cs.hbs b/samples/Demo/Beef.Demo.CodeGen/Templates/Test_cs.hbs
index ea68dc2bb..a4dce21f2 100644
--- a/samples/Demo/Beef.Demo.CodeGen/Templates/Test_cs.hbs
+++ b/samples/Demo/Beef.Demo.CodeGen/Templates/Test_cs.hbs
@@ -1,4 +1,4 @@
-/* 
+/*
 Company: {{Root.Company}}
 AppName: {{Root.AppName}}
 Entity name: {{Name}}
@@ -8,4 +8,8 @@ Extra loop2: {{#ExtraProperties}}{{@key}},{{@value}}{{#unless @last}};{{/unless}
 Extra lookup: {{lookup ExtraProperties 'TestExtra'}}
 Custom lookup: {{lookup CustomProperties 'TestExtra'}}
 Custom lookup lowercase: {{lower (lookup CustomProperties 'TestExtra')}}
+Custom defined(lookup combined with if - true): {{#if (lookup CustomProperties 'TestExist-Defined')}}exist{{else}}not exist{{/if}}
+Custom defined(lookup combined with if - false): {{#if (lookup CustomProperties 'TestNotExist-Defined')}}exist{{else}}not exist{{/if}}
+Custom conditional(lookup combined with if - true): {{#ifeq (lookup CustomProperties 'TestExist') 'Exist-Value'}}true{{else}}false{{/ifeq}}
+Custom conditional(lookup combined with if - false): {{#ifeq (lookup CustomProperties 'TestNotExist') 'Exist-Value'}}true{{else}}false{{/ifeq}}
 */
\ No newline at end of file