O3-3438: Update SPA module to load the bundled frontend (#62)

openmrs · Aug 16, 2024 · 780f92e · 780f92e
1 parent 490ad71
commit 780f92e
Show file tree

Hide file tree

Showing 4 changed files with 31 additions and 1 deletion.
diff --git a/omod/src/main/java/org/openmrs/module/spa/SpaActivator.java b/omod/src/main/java/org/openmrs/module/spa/SpaActivator.java
@@ -13,24 +13,49 @@
 import org.openmrs.api.GlobalPropertyListener;
 import org.openmrs.api.context.Context;
 import org.openmrs.module.BaseModuleActivator;
+import org.springframework.web.context.ServletContextAware;
+
+import javax.servlet.ServletContext;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+
+import static org.openmrs.module.spa.SpaConstants.BUNDLED_FRONTEND_DIRECTORY;
+import static org.openmrs.module.spa.SpaConstants.GP_LOCAL_DIRECTORY;
 
 @Slf4j
-public class SpaActivator extends BaseModuleActivator {
+public class SpaActivator extends BaseModuleActivator implements ServletContextAware {
 
 	// here so we can register the listener on load and de-register it when stopped
 	private GlobalPropertyListener spaDirectoryResolver = null;
 
+	public static ServletContext servletContext;
+
 	@Override
 	public void started() {
 		log.info("SPA module started");
 		spaDirectoryResolver = new SpaDirectoryResolver();
 		Context.getAdministrationService().addGlobalPropertyListener(spaDirectoryResolver);
 	}
 
+	@Override
+	public void contextRefreshed() {
+		if (!Paths.get(SpaDirectoryResolver.getSpaDirectory(), "index.html").toFile().exists()) {
+			Path bundledFrontend = Paths.get(servletContext.getRealPath("/"), "WEB-INF", BUNDLED_FRONTEND_DIRECTORY);
+			if (bundledFrontend.resolve("index.html").toFile().exists()) {
+				Context.getAdministrationService().setGlobalProperty(GP_LOCAL_DIRECTORY, bundledFrontend.toAbsolutePath().toString());
+			}
+		}
+	}
+
 	@Override
 	public void stopped() {
 		Context.getAdministrationService().removeGlobalPropertyListener(spaDirectoryResolver);
 		spaDirectoryResolver = null;
 		log.info("SPA module stopped");
 	}
+
+	@Override
+	public void setServletContext(ServletContext servletContext) {
+		SpaActivator.servletContext = servletContext;
+	}
 }
diff --git a/omod/src/main/java/org/openmrs/module/spa/SpaConstants.java b/omod/src/main/java/org/openmrs/module/spa/SpaConstants.java
@@ -19,6 +19,8 @@ private SpaConstants() {}
 
 	public static final String DEFAULT_FRONTEND_DIRECTORY = "frontend";
 
+	public static final String BUNDLED_FRONTEND_DIRECTORY = "bundledFrontend";
+
 	public static final String GP_LOCAL_DIRECTORY = "spa.local.directory";
 }
 
diff --git a/omod/src/main/java/org/openmrs/module/spa/SpaDirectoryResolver.java b/omod/src/main/java/org/openmrs/module/spa/SpaDirectoryResolver.java
@@ -84,6 +84,8 @@ private static void resolveDirectory(String spaDirectory) {
                 SpaDirectoryResolver.spaDirectory.set(Paths.get(OpenmrsUtil.getApplicationDataDirectory(), DEFAULT_FRONTEND_DIRECTORY).normalize().toAbsolutePath().toString());
             }
             SpaDirectoryResolver.spaDirectory.set(spaDirectoryPath.normalize().toString());
+        } else {
+            SpaDirectoryResolver.spaDirectory.set(spaDirectory);
         }
     }
 }
diff --git a/omod/src/main/resources/webModuleApplicationContext.xml b/omod/src/main/resources/webModuleApplicationContext.xml
@@ -16,6 +16,7 @@
             http://www.springframework.org/schema/mvc https://www.springframework.org/schema/mvc/spring-mvc-4.0.xsd">
 
     <context:annotation-config />
+    <bean id="org.openmrs.module.spa.SpaActivator" class="org.openmrs.module.spa.SpaActivator" />
     <bean id="spaResourceLoader" class="org.openmrs.module.spa.SpaResourceLoader" />
     <bean class="org.openmrs.module.spa.SpaController" />
     <bean class="org.openmrs.module.spa.SpaResourceConverter" />