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// 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
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// specific language governing permissions and limitations
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package org.apache.cloudstack.api.command.user.project;

import org.apache.cloudstack.api.APICommand;
import org.apache.cloudstack.api.ApiConstants;
import org.apache.cloudstack.api.ApiErrorCode;
import org.apache.cloudstack.api.BaseAsyncCmd;
import org.apache.cloudstack.api.Parameter;
import org.apache.cloudstack.api.ServerApiException;
import org.apache.cloudstack.api.response.ProjectResponse;
import org.apache.log4j.Logger;

import com.cloud.event.EventTypes;
import com.cloud.exception.InvalidParameterValueException;
import com.cloud.exception.ResourceAllocationException;
import com.cloud.projects.Project;
import com.cloud.user.UserContext;

@APICommand(name = "updateProject", description="Updates a project", responseObject=ProjectResponse.class, since="3.0.0")
public class UpdateProjectCmd extends BaseAsyncCmd {
    public static final Logger s_logger = Logger.getLogger(UpdateProjectCmd.class.getName());

    private static final String s_name = "updateprojectresponse";

    /////////////////////////////////////////////////////
    //////////////// API parameters /////////////////////
    /////////////////////////////////////////////////////

    @Parameter(name=ApiConstants.ID, type=CommandType.UUID, entityType=ProjectResponse.class,
            required=true, description="id of the project to be modified")
    private Long id;

    @Parameter(name=ApiConstants.ACCOUNT, type=CommandType.STRING, description="new Admin account for the project")
    private String accountName;

    @Parameter(name=ApiConstants.DISPLAY_TEXT, type=CommandType.STRING, description="display text of the project")
    private String displayText;

    /////////////////////////////////////////////////////
    /////////////////// Accessors ///////////////////////
    /////////////////////////////////////////////////////

    public String getAccountName() {
        return accountName;
    }

    public Long getId() {
        return id;
    }

    public String getDisplayText() {
        return displayText;
    }

    @Override
    public String getCommandName() {
        return s_name;
    }

    @Override
    public long getEntityOwnerId() {
        Project project= _projectService.getProject(id);
        //verify input parameters
        if (project == null) {
            throw new InvalidParameterValueException("Unable to find project by id " + id);
        }

        return _projectService.getProjectOwner(id).getId();
    }


    /////////////////////////////////////////////////////
    /////////////// API Implementation///////////////////
    /////////////////////////////////////////////////////

    @Override
    public void execute() throws ResourceAllocationException{
        UserContext.current().setEventDetails("Project id: "+ getId());
        Project project = _projectService.updateProject(getId(), getDisplayText(), getAccountName());
        if (project != null) {
            ProjectResponse response = _responseGenerator.createProjectResponse(project);
            response.setResponseName(getCommandName());
            this.setResponseObject(response);
        } else {
            throw new ServerApiException(ApiErrorCode.INTERNAL_ERROR, "Failed to update a project");
        }
    }

    @Override
    public String getEventType() {
        return EventTypes.EVENT_PROJECT_UPDATE;
    }

    @Override
    public String getEventDescription() {
        return  "Updating project: " + id;
    }
}
