[#2] Check if thumbnail is generated and cached in disk.

Author: WikiDru

README.md

@@ -114,7 +114,10 @@ The other is a restful API server that provide application information and addit
 ## Main HTTP Server
 ### Usage
 ```html
+http://example.com:{port}/{secret_path}
 http://example.com:{port}/{command}/{channel}/{path}
+http://example.com:{port}/status/{secret_path}
+http://example.com:{port}/status/{command}/{channel}/{path}
 ```
 * port
   * Server port
@@ -134,6 +137,8 @@ http://example.com:{port}/{command}/{channel}/{path}
   * It's *channel* in channel_config.yml
 * path
   * Origin path
+* status
+  * Check if thumbnail is generated and cached in disk.
 
 ### Example
 ```html

thumbly-http-client/src/main/java/org/code13k/thumbly/web/client/CachedWebClient.java

@@ -2,12 +2,15 @@
 
 
 import org.apache.commons.codec.digest.DigestUtils;
+import org.apache.commons.io.FileUtils;
 import org.apache.commons.io.FilenameUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.code13k.thumbly.web.client.model.WebData;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.nio.file.Files;
+import java.nio.file.Paths;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -103,6 +106,21 @@ public void accept(String filePath) {
         });
     }
 
+    /**
+     * Get cached file
+     */
+    public String getCachedFile(String url){
+        WebData cachedWebData = getCache(url);
+        if(cachedWebData!=null){
+            String cachedFilePath = cachedWebData.getFilePath();
+            boolean result = Files.exists(Paths.get(cachedFilePath));
+            if (result == true) {
+                return cachedFilePath;
+            }
+        }
+        return null;
+    }
+
     /**
      * Size of cache directory
      */

thumbly-image-info/src/main/java/org/code13k/thumbly/image/info/CachedImageInfo.java

@@ -111,6 +111,20 @@ public void accept(ImageInfo imageInfo) {
         });
     }
 
+    /**
+     * Get cached image info
+     */
+    public ImageInfo getCached(String filePath){
+        final String key = Util.MD5FromFile(filePath);
+        ImageInfo imageInfo = ImageInfoStore.getInstance().get(key);
+        mLogger.trace("key = " + key);
+
+        if (imageInfo != null) {
+            return imageInfo;
+        }
+        return null;
+    }
+
     /**
      * Size of cached info
      */

thumbly-image-processor/src/main/java/org/code13k/thumbly/image/processor/CachedImageProcessor.java

@@ -153,10 +153,36 @@ public void accept(String tempThumbFilePath) {
         });
     }
 
+    /**
+     * Get cached file
+     */
+    public String getCachedFile(String originFilePath, Command command) {
+        // Get cached image info
+        ImageInfo cachedImageInfo = CachedImageInfo.getInstance().getCached(originFilePath);
+        if (cachedImageInfo != null) {
+            // Calculate output size
+            Size outputSize = calculateOutputSize(cachedImageInfo, command);
+            if (outputSize != null) {
+                // Process
+                Command newCommand = new Command();
+                newCommand.fromCommand(command);
+                newCommand.setSize(outputSize);
+                // Get thumbnail
+                final String key = generateKey(originFilePath, newCommand);
+                String thumbFilePath = FileStore.getInstance().getCacheFile(key);
+                // End
+                if (StringUtils.isEmpty(thumbFilePath) == false) {
+                    return thumbFilePath;
+                }
+            }
+        }
+        return null;
+    }
+
     /**
      * Operation count in queue
      */
-    public int operationCountInQueue(){
+    public int operationCountInQueue() {
         return mOperator.count();
     }
 

thumbly-main/src/main/java/org/code13k/thumbly/service/api/ApiHttpServer.java

@@ -36,7 +36,7 @@ public class ApiHttpServer extends AbstractVerticle {
 
 
     /**
-     * start()
+     * Start
      */
     @Override
     public void start() throws Exception {