Preliminary hash and thumb generation

pom.xml

@@ -83,6 +83,13 @@
         </dependency>
 
 
+		<dependency>
+			<groupId>commons-codec</groupId>
+			<artifactId>commons-codec</artifactId>
+			<version>1.11</version>
+		</dependency>
+
+
         <dependency>
 			<groupId>org.springframework.boot</groupId>
 			<artifactId>spring-boot-starter-test</artifactId>

src/main/java/com/itdominator/api/controller/ThumbnailerApiController.java

@@ -1,8 +1,17 @@
 package com.itdominator.api.controller;
 
 
+import java.io.IOException;
+import java.nio.file.DirectoryStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.HashSet;
 import java.util.List;
+import java.util.Set;
 
+import org.apache.commons.codec.digest.DigestUtils;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.security.config.annotation.method.configuration.EnableMethodSecurity;
 import org.springframework.validation.annotation.Validated;
@@ -35,6 +44,9 @@ public class ThumbnailerApiController {
 
     private final ThumbnailerService thumbnailerService;
 
+    @Value("${videos.filter}")
+    private final String[] videoFilter;
+
 
     @PreAuthorize("hasRole('User')")
     @PostMapping("/get-thumbnail/id/{id}")
@@ -69,4 +81,62 @@ public class ThumbnailerApiController {
         return thumbnailerService.getAllThumbnails();
     }
 
+    @PreAuthorize("hasRole('User')")
+    @GetMapping("/temp-videos-list-test")
+    public Set<String> getAllVideoFiles() {
+        Set<Path> paths   = collectVideoFilePaths("/home/abaddon/Downloads");
+        Set<String> files = new HashSet<>();
+
+        generateThumbnails(paths);
+        for (Path path : paths) {
+            files.add( path.getFileName().toString() );
+        }
+
+        return files;
+    }
+
+
+    public Set<Path> collectVideoFilePaths(final String dir) {
+        Set<Path> paths = new HashSet<>();
+
+        try (DirectoryStream<Path> stream = Files.newDirectoryStream( Paths.get(dir) )) {
+            for (Path path : stream) {
+                if ( !Files.isDirectory(path) ) {
+                    String target = path.getFileName().toString();
+                    for (String filterItem : videoFilter) {
+                        if ( target.endsWith(filterItem) ) {
+                            paths.add(path);
+                        }
+                    }
+                }
+            }
+        } catch (IOException e) {
+            log.debug("Invalid path given to scan...");
+        }
+
+        return paths;
+    }
+
+    public void generateThumbnails(Set<Path> paths) {
+        for (Path path : paths) {
+            String fileName = path.getFileName().toString();
+            String fileHash = DigestUtils.sha256Hex(fileName);
+            generateThumbnail(path.toString(), "/home/abaddon/Downloads/tmp/" + fileHash + ".jpg","65%");
+        }
+    }
+
+
+
+    // proc = subprocess.Popen([self.FFMPG_THUMBNLR, "-t", scrub_percent, "-s", "300", "-c", "jpg", "-i", full_path, "-o", hash_img_path])
+    public void generateThumbnail(final String full_path, final String hash_img_path, final String scrub_percent) {
+        try {
+            ProcessBuilder pb = new ProcessBuilder("ffmpegthumbnailer", "-t", scrub_percent, "-s", "300", "-c", "jpg", "-i", full_path, "-o", hash_img_path);
+            Process p = pb.start();
+        } catch (Exception e) {
+            log.debug("Thumbnail couldn't be generated...");
+            // Note: Need supporting logic for failed loads. Maybe return empty byte[]
+        }
+
+    }
+
 }

src/main/resources/application.properties

@@ -16,4 +16,6 @@ hibernate.show_sql=true
 spring.jpa.hibernate.ddl-auto=update
 
 
+videos.filter=.mkv,.mp4,.webm,.avi,.mov,.m4v,.mpg,.mpeg,.wmv,.flv
+