content: /*
   * 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.dolphinscheduler.api.controller.v2;
  
  import static org.apache.dolphinscheduler.api.enums.Status.CREATE_PROCESS_TASK_RELATION_ERROR;
  import static org.apache.dolphinscheduler.api.enums.Status.DELETE_TASK_PROCESS_RELATION_ERROR;
  import static org.apache.dolphinscheduler.api.enums.Status.UPDATE_UPSTREAM_TASK_PROCESS_RELATION_ERROR;
  
  import org.apache.dolphinscheduler.api.controller.BaseController;
  import org.apache.dolphinscheduler.api.dto.taskRelation.TaskRelationCreateRequest;
  import org.apache.dolphinscheduler.api.dto.taskRelation.TaskRelationDeleteRequest;
  import org.apache.dolphinscheduler.api.dto.taskRelation.TaskRelationUpdateUpstreamRequest;
  import org.apache.dolphinscheduler.api.exceptions.ApiException;
  import org.apache.dolphinscheduler.api.service.ProcessTaskRelationService;
  import org.apache.dolphinscheduler.api.utils.Result;
  import org.apache.dolphinscheduler.common.constants.Constants;
  import org.apache.dolphinscheduler.dao.entity.ProcessTaskRelation;
  import org.apache.dolphinscheduler.dao.entity.User;
  
  import java.util.List;
  
  import org.springframework.beans.factory.annotation.Autowired;
  import org.springframework.http.HttpStatus;
  import org.springframework.web.bind.annotation.DeleteMapping;
  import org.springframework.web.bind.annotation.PathVariable;
  import org.springframework.web.bind.annotation.PostMapping;
  import org.springframework.web.bind.annotation.PutMapping;
  import org.springframework.web.bind.annotation.RequestAttribute;
  import org.springframework.web.bind.annotation.RequestBody;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.ResponseStatus;
  import org.springframework.web.bind.annotation.RestController;
  
  import io.swagger.v3.oas.annotations.Operation;
  import io.swagger.v3.oas.annotations.Parameter;
  import io.swagger.v3.oas.annotations.Parameters;
  import io.swagger.v3.oas.annotations.media.Schema;
  import io.swagger.v3.oas.annotations.tags.Tag;
  
  /**
   * process task relation controller
   */
  @Tag(name = "PROCESS_TASK_RELATION_TAG")
  @RestController
  @RequestMapping("v2/relations")
  public class ProcessTaskRelationV2Controller extends BaseController {
  
      @Autowired
      private ProcessTaskRelationService processTaskRelationService;
  
      /**
       * create resource process task relation
       *
       * @param loginUser login user
       * @param TaskRelationCreateRequest process task definition json contains the object you want to create
       * @return Result object created
       */
      @Operation(summary = "create", description = "CREATE_PROCESS_TASK_RELATION_NOTES")
      @PostMapping(consumes = {"application/json"})
      @ResponseStatus(HttpStatus.CREATED)
      @ApiException(CREATE_PROCESS_TASK_RELATION_ERROR)
      public Result<ProcessTaskRelation> createTaskRelation(@Parameter(hidden = true) @RequestAttribute(value = Constants.SESSION_USER) User loginUser,
                                                            @RequestBody TaskRelationCreateRequest TaskRelationCreateRequest) {
          ProcessTaskRelation processTaskRelation =
                  processTaskRelationService.createProcessTaskRelationV2(loginUser, TaskRelationCreateRequest);
          return Result.success(processTaskRelation);
      }
  
      /**
       * delete resource process task relation
       *
       * @param loginUser login user
       * @param codePair code pair you want to delete the task relation, use `upstream,downstream` as example, will delete exists relation upstream -> downstream, throw error if not exists
       * @return delete result code
       */
      @Operation(summary = "delete", description = "DELETE_PROCESS_TASK_RELATION_NOTES")
      @Parameters({
              @Parameter(name = "code-pair", description = "TASK_DEFINITION_CODE", schema = @Schema(implementation = long.class, example = "123456,78901", required = true))
      })
      @DeleteMapping(value = "/{code-pair}")
      @ResponseStatus(HttpStatus.OK)
      @ApiException(DELETE_TASK_PROCESS_RELATION_ERROR)
      public Result deleteTaskRelation(@Parameter(hidden = true) @RequestAttribute(value = Constants.SESSION_USER) User loginUser,
                                       @PathVariable("code-pair") String codePair) {
          TaskRelationDeleteRequest taskRelationDeleteRequest = new TaskRelationDeleteRequest(codePair);
          processTaskRelationService.deleteTaskProcessRelationV2(loginUser, taskRelationDeleteRequest.getUpstreamCode(),
                  taskRelationDeleteRequest.getDownstreamCode());
          return Result.success();
      }
  
      /**
       * Update resource task relation by code, only update this code's upstreams
       *
       * @param loginUser         login user
       * @param code              resource task code want to update its upstreams
       * @param taskRelationUpdateUpstreamRequest workflowUpdateRequest
       * @return ResourceResponse object updated
       */
      @Operation(summary = "update", description = "UPDATE_PROCESS_TASK_RELATION_NOTES")
      @Parameters({
              @Parameter(name = "code", description = "DOWNSTREAM_TASK_DEFINITION_CODE", schema = @Schema(implementation = long.class, example = "123456", required = true))
      })
      @PutMapping(value = "/{code}")
      @ResponseStatus(HttpStatus.OK)
      @ApiException(UPDATE_UPSTREAM_TASK_PROCESS_RELATION_ERROR)
      public Result<List<ProcessTaskRelation>> updateUpstreamTaskDefinition(@Parameter(hidden = true) @RequestAttribute(value = Constants.SESSION_USER) User loginUser,
                                                                            @PathVariable("code") Long code,
                                                                            @RequestBody TaskRelationUpdateUpstreamRequest taskRelationUpdateUpstreamRequest) {
          List<ProcessTaskRelation> processTaskRelations = processTaskRelationService
                  .updateUpstreamTaskDefinitionWithSyncDag(loginUser, code, Boolean.TRUE,
                          taskRelationUpdateUpstreamRequest);
          return Result.success(processTaskRelations);
      }
  }
  