From ff0367c62bce1dc1f80c2ccab9c3bbf3899b79e2 Mon Sep 17 00:00:00 2001
From: Athou <jeremiepanzer@gmail.com>
Date: Wed, 1 May 2013 07:13:57 +0200
Subject: [PATCH] concat templates and use build timestamp as cache invalidator

---
 pom.xml                            | 66 +++++++++++++++++++++++++++++-
 src/main/script/HTMLConcat.groovy  | 28 +++++++++++++
 src/main/script/template-loader.js | 35 ++++++++++++++++
 3 files changed, 128 insertions(+), 1 deletion(-)
 create mode 100644 src/main/script/HTMLConcat.groovy
 create mode 100644 src/main/script/template-loader.js

diff --git a/pom.xml b/pom.xml
index a3a00cde..ae99ef29 100644
--- a/pom.xml
+++ b/pom.xml
@@ -413,7 +413,7 @@
 				</plugins>
 			</build>
 		</profile>
-		
+
 		<profile>
 			<id>mysql</id>
 			<properties>
@@ -424,9 +424,73 @@
 		<profile>
 			<id>prod</id>
 			<properties>
+				<timestamp>${maven.build.timestamp}</timestamp>
 				<production>true</production>
 				<jpa.show_sql>false</jpa.show_sql>
 			</properties>
+			<build>
+				<plugins>
+					<plugin>
+						<groupId>org.codehaus.gmaven</groupId>
+						<artifactId>gmaven-plugin</artifactId>
+						<version>1.4</version>
+						<dependencies>
+							<dependency>
+								<groupId>commons-io</groupId>
+								<artifactId>commons-io</artifactId>
+								<version>2.4</version>
+							</dependency>
+						</dependencies>
+						<executions>
+							<execution>
+								<phase>generate-sources</phase>
+								<goals>
+									<goal>execute</goal>
+								</goals>
+								<configuration>
+									<properties>
+										<source>${basedir}/src/main/webapp/templates</source>
+										<prefix>templates/</prefix>
+										<destination>${basedir}/target/generated-sources/angularjs/all-templates.html</destination>
+									</properties>
+									<scriptpath>
+										<element>${basedir}/src/main/script</element>
+									</scriptpath>
+									<source>
+										def source = project.properties['source'];
+										def prefix =
+										project.properties['prefix'];
+										def dest =
+										project.properties['destination'];
+										new
+										HTMLConcat().concat(source, prefix, dest);
+									</source>
+								</configuration>
+							</execution>
+						</executions>
+					</plugin>
+					<plugin>
+						<artifactId>maven-war-plugin</artifactId>
+						<version>2.3</version>
+						<configuration>
+							<webResources>
+								<resource>
+									<directory>target/generated-sources/angularjs/</directory>
+									<targetPath>templates</targetPath>
+								</resource>
+								<resource>
+									<directory>src/main/script/</directory>
+									<includes>
+										<include>*.js</include>
+									</includes>
+									<targetPath>js</targetPath>
+									<filtering>true</filtering>
+								</resource>
+							</webResources>
+						</configuration>
+					</plugin>
+				</plugins>
+			</build>
 		</profile>
 	</profiles>
 </project>
diff --git a/src/main/script/HTMLConcat.groovy b/src/main/script/HTMLConcat.groovy
new file mode 100644
index 00000000..da32dca2
--- /dev/null
+++ b/src/main/script/HTMLConcat.groovy
@@ -0,0 +1,28 @@
+import java.io.File;
+import java.io.IOException;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.lang.SystemUtils;
+
+public class HTMLConcat {
+	public void concat(String source, String prefix, String destination)
+			throws IOException {
+		StringBuilder sb = new StringBuilder();
+		sb.append("<div>");
+		for (File file : new File(source).listFiles()) {
+			if (file.isFile()) {
+				sb.append(SystemUtils.LINE_SEPARATOR);
+				sb.append(String.format(
+						"<script type=\"text/ng-template\" id=\"%s%s\">",
+						prefix, file.getName()));
+				sb.append(SystemUtils.LINE_SEPARATOR);
+				sb.append(FileUtils.readFileToString(file));
+				sb.append(SystemUtils.LINE_SEPARATOR);
+				sb.append("</script>");
+				sb.append(SystemUtils.LINE_SEPARATOR);
+			}
+		}
+		sb.append("</div>");
+		FileUtils.writeStringToFile(new File(destination), sb.toString());
+	}
+}
diff --git a/src/main/script/template-loader.js b/src/main/script/template-loader.js
new file mode 100644
index 00000000..3ded2693
--- /dev/null
+++ b/src/main/script/template-loader.js
@@ -0,0 +1,35 @@
+var app = angular.module('commafeed.services');
+
+app.factory('$templateCache', ['$cacheFactory', '$http', '$injector', function($cacheFactory, $http, $injector) {
+	var cache = $cacheFactory('templates');
+	var allTplPromise;
+
+	return {
+		get : function(url) {
+			var fromCache = cache.get(url);
+
+			if (fromCache) {
+				return fromCache;
+			}
+
+			if (!allTplPromise) {
+				allTplPromise = $http.get('templates/all-templates.html?${timestamp}').then(
+						function(response) {
+							$injector.get('$compile')(response.data);
+							return response;
+						});
+			}
+
+			return allTplPromise.then(function(response) {
+				return {
+					status : response.status,
+					data : cache.get(url)
+				};
+			});
+		},
+
+		put : function(key, value) {
+			cache.put(key, value);
+		}
+	};
+}]);
\ No newline at end of file