airavata-kubernetes/modules/microservices/api-server/src/main/java/org/apache/airavata/k8s/api/server/controller/DataStoreController.java

/**
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.airavata.k8s.api.server.controller;

import org.apache.airavata.k8s.api.resources.data.DataEntryResource;
import org.apache.airavata.k8s.api.server.ServerRuntimeException;
import org.apache.airavata.k8s.api.server.service.data.DataStoreService;
import org.springframework.web.bind.annotation.*;
import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import javax.annotation.Resource;
import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;

/**
 * TODO: Class level comments please
 *
 * @author dimuthu
 * @since 1.0.0-SNAPSHOT
 */
@RestController
@RequestMapping(path="/data")
public class DataStoreController {

    @Resource
    private DataStoreService dataStoreService;

    @PostMapping("{taskId}/{identifier}/upload")
    public long uploadData(@RequestParam("file") MultipartFile file, @PathVariable("taskId") long taskId,
                           @PathVariable("identifier") String identifier, RedirectAttributes redirectAttributes) {

        System.out.println("Received data for task id " + taskId + " and identifier " + identifier);
        if (file.isEmpty()) {
            throw new ServerRuntimeException("Data file is empty");
        }
        try {
            // Get the file and save it somewhere
            byte[] bytes = file.getBytes();
            return this.dataStoreService.createEntry(taskId, identifier, bytes);

        } catch (IOException e) {
            e.printStackTrace();
            throw new ServerRuntimeException("Failed to store file", e);
        }
    }

    @GetMapping("process/{id}")
    public List<DataEntryResource> getAllEntriesForProcess(@PathVariable("id") long processId) {
        return this.dataStoreService.getEntriesForProcess(processId);
    }
}