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package cn.iocoder.yudao.module.ums.controller.admin.application;
 
import cn.hutool.core.collection.CollUtil;
import cn.iocoder.yudao.framework.common.pojo.CommonResult;
import cn.iocoder.yudao.framework.common.pojo.PageResult;
import cn.iocoder.yudao.framework.common.util.number.NumberUtils;
import cn.iocoder.yudao.framework.common.util.object.BeanUtils;
import cn.iocoder.yudao.module.system.api.storage.StorageAttachmentApi;
import cn.iocoder.yudao.module.system.api.storage.dto.StorageBlobRespDTO;
import cn.iocoder.yudao.module.system.api.user.AdminUserApi;
import cn.iocoder.yudao.module.system.api.user.dto.AdminUserRespDTO;
import cn.iocoder.yudao.module.ums.controller.admin.application.vo.UmsApplicationPageReqVO;
import cn.iocoder.yudao.module.ums.controller.admin.application.vo.UmsApplicationRespVO;
import cn.iocoder.yudao.module.ums.controller.admin.application.vo.UmsApplicationSaveReqVO;
import cn.iocoder.yudao.module.ums.dal.dataobject.application.UmsApplicationDO;
import cn.iocoder.yudao.module.ums.service.application.UmsApplicationService;
import cn.iocoder.yudao.module.ums.service.application.UmsApplicationServiceImpl;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.annotation.Resource;
import jakarta.validation.Valid;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.validation.annotation.Validated;
import org.springframework.web.bind.annotation.*;
 
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
 
import static cn.iocoder.yudao.framework.common.pojo.CommonResult.success;
import static cn.iocoder.yudao.framework.common.util.collection.CollectionUtils.convertSet;
import static cn.iocoder.yudao.framework.common.util.collection.MapUtils.findAndThen;
 
@Tag(name = "管理后台 - 入会申请")
@RestController
@RequestMapping("/ums/application")
@Validated
public class UmsApplicationController {
 
    public static final String APPLICATION_RECORD_TYPE =
            UmsApplicationServiceImpl.APPLICATION_RECORD_TYPE;
 
    @Resource
    private UmsApplicationService applicationService;
 
    @Resource
    private AdminUserApi adminUserApi;
 
    @Resource
    private StorageAttachmentApi storageAttachmentApi;
 
    @PostMapping("/create")
    @Operation(summary = "创建入会申请")
    @PreAuthorize("@ss.hasPermission('ums:application:create')")
    public CommonResult<Long> createApplication(@Valid @RequestBody UmsApplicationSaveReqVO createReqVO) {
        return success(applicationService.createApplication(createReqVO));
    }
 
    @PutMapping("/update")
    @Operation(summary = "更新入会申请")
    @PreAuthorize("@ss.hasPermission('ums:application:update')")
    public CommonResult<Boolean> updateApplication(@Valid @RequestBody UmsApplicationSaveReqVO updateReqVO) {
        applicationService.updateApplication(updateReqVO);
        return success(true);
    }
 
    @DeleteMapping("/delete")
    @Operation(summary = "删除入会申请")
    @Parameter(name = "id", description = "编号", required = true)
    @PreAuthorize("@ss.hasPermission('ums:application:delete')")
    public CommonResult<Boolean> deleteApplication(@RequestParam("id") Long id) {
        applicationService.deleteApplication(id);
        return success(true);
    }
 
    @GetMapping("/get")
    @Operation(summary = "获得入会申请")
    @Parameter(name = "id", description = "编号", required = true, example = "1024")
    @PreAuthorize("@ss.hasPermission('ums:application:query')")
    public CommonResult<UmsApplicationRespVO> getApplication(@RequestParam("id") Long id) {
        UmsApplicationDO application = applicationService.getApplication(id);
        return success(buildApplicationDetail(application));
    }
 
    @GetMapping("/page")
    @Operation(summary = "获得入会申请分页")
    @PreAuthorize("@ss.hasPermission('ums:application:query')")
    public CommonResult<PageResult<UmsApplicationRespVO>> getApplicationPage(
            @Valid UmsApplicationPageReqVO pageReqVO) {
        PageResult<UmsApplicationDO> pageResult = applicationService.getApplicationPage(pageReqVO);
        return success(new PageResult<>(buildApplicationDetailList(pageResult.getList()), pageResult.getTotal()));
    }
 
    @PostMapping("/submit")
    @Operation(summary = "提交入会申请审批")
    @PreAuthorize("@ss.hasPermission('ums:application:submit')")
    public CommonResult<Boolean> submitApplication(@RequestParam("id") Long id,
                                                    @RequestParam("processDefinitionKey") String processDefinitionKey) {
        applicationService.submitApplication(id, processDefinitionKey);
        return success(true);
    }
 
    @GetMapping("/approve-process-list")
    @Operation(summary = "获取入会申请审批流程列表")
    @PreAuthorize("@ss.hasPermission('ums:application:query')")
    public CommonResult<List<Map<String, Object>>> getApproveProcessDefinitionList() {
        return success(applicationService.getApproveProcessDefinitionList());
    }
 
    // ==================== 内部方法 ====================
 
    private UmsApplicationRespVO buildApplicationDetail(UmsApplicationDO application) {
        if (application == null) {
            return null;
        }
        return buildApplicationDetailList(Collections.singletonList(application)).get(0);
    }
 
    private List<UmsApplicationRespVO> buildApplicationDetailList(List<UmsApplicationDO> list) {
        if (CollUtil.isEmpty(list)) {
            return Collections.emptyList();
        }
 
        // 1.1 获取创建人
        Set<Long> creatorIds = convertSet(list, application ->
                NumberUtils.parseLong(application.getCreator()));
        Map<Long, AdminUserRespDTO> creatorMap = adminUserApi.getUserMap(creatorIds);
        // 1.2 获取附件
        Map<Long, List<StorageBlobRespDTO>> attachmentMap = list.stream()
                .collect(Collectors.toMap(UmsApplicationDO::getId,
                        r -> storageAttachmentApi.listAttachments(APPLICATION_RECORD_TYPE, r.getId())));
 
        // 2. 拼接结果
        return BeanUtils.toBean(list, UmsApplicationRespVO.class, (vo) -> {
            findAndThen(creatorMap, NumberUtils.parseLong(vo.getCreator()),
                    user -> vo.setCreatorName(user.getNickname()));
            List<StorageBlobRespDTO> attachments = attachmentMap.getOrDefault(vo.getId(), Collections.emptyList());
            vo.setAttachmentList(attachments);
            vo.setHasAttachment(CollUtil.isNotEmpty(attachments));
        });
    }
 
}