Only build UI rest project if resource classes exist (#23)

Author: richturner

ui/component/rest/build.gradle

@@ -22,6 +22,42 @@ dependencies {
 
 generateTypeScript createTSGeneratorConfigForClient("src/restclient.ts", new File("${project(":ui:component:model").projectDir}/src/typescript-generator-info.json"), project(":model"))
 generateTypeScript.dependsOn resolveTask(":ui:component:model:generateTypeScript")
+generateTypeScript.onlyIf { countResourceClasses() > 0 }
+npmBuild.onlyIf { countResourceClasses() > 0 }
+tasks.register('dummyRestClient') {
+    onlyIf { countResourceClasses() == 0 }
+    doLast {
+        file("${projectDir}/src/restclient.ts").text = 'export class ApiClient {}'
+    }
+}
+generateTypeScript.finalizedBy dummyRestClient
+
+def countResourceClasses() {
+    // Get the main source set's output classes directory
+    def classesDir = project(":model").sourceSets.main.output.classesDirs
+    def count = 0
+
+    // Iterate through all class files
+    classesDir.files.each { dir ->
+        dir.eachFileRecurse { file ->
+            if (file.name.endsWith('.class')) {
+                // Convert file path to class name and check if it ends with "Resource"
+                def className = file.absolutePath
+                        .substring(classesDir.asPath.length() + 1)
+                        .replace(File.separator, '.')
+                        .replace('.class', '')
+
+                if (className.endsWith('Resource')) {
+                    count++
+                }
+
+            }
+        }
+    }
+
+    println "Total classes ending with 'Resource': $count"
+    return count
+}
 
 clean {
     doLast {