+ Created the first version of gift images

.gitignore

@@ -2,4 +2,5 @@
 .gradle/
 out/
 build/
+gifts/
 *.iml

build.gradle

@@ -55,6 +55,8 @@ dependencies {
     compile("org.apache.commons:commons-lang3:3.3.2")
     compile("com.squareup.retrofit:retrofit:1.6.0")
     compile("commons-io:commons-io:2.4")
+    compile('org.imgscalr:imgscalr-lib:4.2')
+
 
 }
 

src/main/java/com/capstone/potlatch/Application.java

@@ -5,6 +5,7 @@
 import org.apache.commons.dbcp.BasicDataSource;
 import org.springframework.boot.SpringApplication;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.context.embedded.MultiPartConfigFactory;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
 import org.springframework.context.annotation.Configuration;
@@ -17,6 +18,7 @@
 import org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
 
+import javax.servlet.MultipartConfigElement;
 import javax.sql.DataSource;
 
 @Import(OAuth2SecurityConfiguration.class)
@@ -39,6 +41,8 @@
 @ComponentScan
 public class Application extends RepositoryRestMvcConfiguration {
 
+    private static final String MAX_REQUEST_SIZE = "50MB";
+
     public static DataSource dataSource() {
         BasicDataSource dataSource = new BasicDataSource();
         dataSource.setDriverClassName("com.mysql.jdbc.Driver");
@@ -71,6 +75,17 @@ public JpaVendorAdapter jpaVendorAdapter() {
         return hibernateJpaVendorAdapter;
     }
 
+
+    // This configuration element adds the ability to accept multipart
+    // requests to the web container.
+    @Bean
+    public MultipartConfigElement multipartConfigElement() {
+        final MultiPartConfigFactory factory = new MultiPartConfigFactory();
+        factory.setMaxFileSize(MAX_REQUEST_SIZE);
+        factory.setMaxRequestSize(MAX_REQUEST_SIZE);
+        return factory.createMultipartConfig();
+    }
+
 	public static void main(String[] args) {
 		SpringApplication.run(Application.class, args);
 	}

src/main/java/com/capstone/potlatch/controllers/GiftsController.java

@@ -21,15 +21,21 @@
 import com.capstone.potlatch.Constants;
 import com.capstone.potlatch.Routes;
 import com.capstone.potlatch.models.*;
+import com.capstone.potlatch.util.GiftImageFileManager;
+import com.fasterxml.jackson.databind.ObjectMapper;
 import com.google.common.collect.Lists;
+import org.apache.commons.io.IOUtils;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.PageRequest;
 import org.springframework.http.HttpStatus;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.stereotype.Controller;
 import org.springframework.web.bind.annotation.*;
+import org.springframework.web.multipart.MultipartFile;
+import org.yaml.snakeyaml.util.UriEncoder;
 
 import javax.servlet.http.HttpServletResponse;
+import java.io.ByteArrayInputStream;
 import java.io.IOException;
 import java.security.Principal;
 import java.util.Collection;
@@ -80,9 +86,14 @@ public class GiftsController {
 	@PreAuthorize("hasRole(mobile)")
 	@RequestMapping(value = Routes.GIFTS_PATH, method = RequestMethod.POST)
 	public @ResponseBody Gift create(
-           @RequestBody Gift gift,
-           Principal p)
-    {
+           @RequestParam("gift") String giftString,
+           @RequestParam MultipartFile image,
+           Principal p) throws IOException {
+        // In order to send in one request the gift data and the image, the gift data must be
+        // sent as a json string encoded along with the image.
+        // Here we parse it into a Gift object.
+        Gift gift = new ObjectMapper().readValue(UriEncoder.decode(giftString), Gift.class);
+
         User u = users.findByUsername(p.getName());
         gift.setUser(u);
 
@@ -94,7 +105,21 @@ public class GiftsController {
             gift.setGiftChain(giftChains.findOne(giftChain.getId()));
         }
 
-		gifts.save(gift);
+        gifts.save(gift); // This generates the id, needed for the images.
+
+        byte[] imageBytes = IOUtils.toByteArray(image.getInputStream());
+        GiftImageFileManager imgMan = GiftImageFileManager.get();
+
+        // versiones
+        imgMan.saveImage(gift, Gift.SIZE_FULL, new ByteArrayInputStream(imageBytes));
+        imgMan.saveImage(gift, Gift.SIZE_MEDIUM, new ByteArrayInputStream(imageBytes));
+        imgMan.saveImage(gift, Gift.SIZE_SMALL, new ByteArrayInputStream(imageBytes));
+
+        gift.setImageUrlFull(imgMan.getImagePath(gift, Gift.SIZE_FULL).toString());
+        gift.setImageUrlMedium(imgMan.getImagePath(gift, Gift.SIZE_MEDIUM).toString());
+        gift.setImageUrlSmall(imgMan.getImagePath(gift, Gift.SIZE_SMALL).toString());
+
+        gifts.save(gift); // Update the gift
 		return gift;
 	}
 

src/main/java/com/capstone/potlatch/models/Gift.java

@@ -27,13 +27,19 @@
 @JsonInclude(JsonInclude.Include.NON_NULL)
 //@JsonIdentityInfo(generator =  ObjectIdGenerators.PropertyGenerator.class, property="id")
 public class Gift {
+    public static final String SIZE_FULL = "full";
+    public static final String SIZE_MEDIUM = "medium";
+    public static final String SIZE_SMALL = "small";
+
 	@Id
 	@GeneratedValue(strategy = GenerationType.AUTO)
 	private long id;
 
 	private String title;
 	private String description;
-	private String imageUrl;
+	private String imageUrlFull;
+	private String imageUrlMedium;
+	private String imageUrlSmall;
 	@ElementCollection
 	private Set<Long> touchedByUserIds = new HashSet<Long>();
 	@ElementCollection
@@ -70,12 +76,28 @@ public void setDescription(String description) {
         this.description = description;
     }
 
-    public String getImageUrl() {
-        return imageUrl;
+    public String getImageUrlFull() {
+        return imageUrlFull;
+    }
+
+    public void setImageUrlFull(String imageUrlFull) {
+        this.imageUrlFull = imageUrlFull;
+    }
+
+    public String getImageUrlMedium() {
+        return imageUrlMedium;
+    }
+
+    public void setImageUrlMedium(String imageUrlMedium) {
+        this.imageUrlMedium = imageUrlMedium;
+    }
+
+    public String getImageUrlSmall() {
+        return imageUrlSmall;
     }
 
-    public void setImageUrl(String imageUrl) {
-        this.imageUrl = imageUrl;
+    public void setImageUrlSmall(String imageUrlSmall) {
+        this.imageUrlSmall = imageUrlSmall;
     }
 
     public Set<Long> getTouchedByUserIds() {

src/main/java/com/capstone/potlatch/util/GiftImageFileManager.java

@@ -0,0 +1,54 @@
+package com.capstone.potlatch.util;
+
+import com.capstone.potlatch.models.Gift;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.nio.file.StandardCopyOption;
+
+public class GiftImageFileManager {
+
+	public static GiftImageFileManager get() throws IOException {
+		return new GiftImageFileManager();
+	}
+
+	private Path targetDir = Paths.get("gifts");
+
+	private GiftImageFileManager() throws IOException{
+		if(!Files.exists(targetDir)){
+			Files.createDirectories(targetDir);
+		}
+	}
+
+	// Private helper method for resolving video file paths
+	public Path getImagePath(Gift gift, String size) throws IOException {
+		assert(gift != null);
+
+        String dirPathString = "id_" + gift.getId();
+        Path dirPath = targetDir.resolve(dirPathString);
+        if(!Files.exists(dirPath)){
+            Files.createDirectories(dirPath);
+        }
+
+		return dirPath.resolve("image_" + size + ".jpg");
+	}
+
+//	public void copyData(Gift gift, String size, OutputStream out) throws IOException {
+//		Path source = getImagePath(gift, size);
+//		if(!Files.exists(source)){
+//			throw new FileNotFoundException("Unable to find the referenced image file for gift id:"+gift.getId());
+//		}
+//		Files.copy(source, out);
+//	}
+
+	public void saveImage(Gift gift, String size, InputStream giftImage) throws IOException{
+		assert(giftImage != null);
+
+		Path target = getImagePath(gift, size);
+		Files.copy(giftImage, target, StandardCopyOption.REPLACE_EXISTING);
+	}
+
+}