package example.u2ware.springfield.part4.step3;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.Id;
import javax.persistence.Transient;

import lombok.Getter;
import lombok.Setter;

import org.springframework.web.multipart.MultipartFile;

import com.u2ware.springfield.config.Springfield;
import com.u2ware.springfield.config.Springfield.Strategy;
import com.u2ware.springfield.support.multipart.UploadFile;

@Springfield(
        strategy=Strategy.JPA,
        methodLevelMapping={"*","read.stream","read.download"}
)
@Entity
public class AttachedFile implements UploadFile{
        
        @Transient 
        private @Getter @Setter MultipartFile multipartFile;
        
        @Id @GeneratedValue
        private @Getter @Setter Integer id;
        private @Getter @Setter String contentFile;
        private @Getter @Setter String contentName;
        private @Getter @Setter String contentType;
        private @Getter @Setter long contentSize;
}

package example.u2ware.springfield.part4.step3;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import com.u2ware.springfield.repository.EntityRepository;
import com.u2ware.springfield.service.EntityServiceImpl;
import com.u2ware.springfield.support.multipart.UploadFileRepository;


@Service
public class AttachedFileService extends EntityServiceImpl<AttachedFile, Integer>{

        protected final Log logger = LogFactory.getLog(getClass());

        @Autowired 
        protected UploadFileRepository uploadFileRepository;

        @Autowired 
        public AttachedFileService(
                @Qualifier("attachedFileRepository") EntityRepository<AttachedFile, ?> r) {
                super("attachedFileRepository", r);
        }

        @Transactional
        public AttachedFile create(AttachedFile entity) {
                uploadFileRepository.saveFile(entity);
                return super.create(entity);
        }
        
        @Transactional
        public AttachedFile delete(AttachedFile entity) {
                AttachedFile newEntity = super.read(entity);
                uploadFileRepository.deleteFile(newEntity);
                return super.delete(newEntity);
        }
}

public interface UploadFileRepository {

        public void saveFile(UploadFile bean) ;
        public void deleteFile(UploadFile bean) ;
}

public interface UploadFile extends DownloadFile{

        public MultipartFile getMultipartFile();

        public void setContentFile(String contentFile);
        public void setContentName(String contentName);
        public void setContentType(String contentType);
        public void setContentSize(long contentSize);
}

public interface DownloadFile {

        public String getContentFile();
        public String getContentName();
        public String getContentType();
        public long getContentSize();
}