feat(backend): add ServiceRoleApplicationService with submit/approve/reject

cfc-backend/src/main/java/com/etotem/cfc/service/ServiceRoleApplicationService.java

@@ -0,0 +1,11 @@
+package com.etotem.cfc.service;
+
+import com.etotem.cfc.common.Result;
+import com.etotem.cfc.dto.ServiceRoleApplyDTO;
+
+public interface ServiceRoleApplicationService {
+    Result submit(Long userId, ServiceRoleApplyDTO dto);
+    Result getMyApplication(Long userId);
+    Result approve(Long id, Long reviewerId);
+    Result reject(Long id, String reason, Long reviewerId);
+}

cfc-backend/src/main/java/com/etotem/cfc/service/impl/ServiceRoleApplicationServiceImpl.java

@@ -0,0 +1,143 @@
+package com.etotem.cfc.service.impl;
+
+import com.alibaba.fastjson.JSON;
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
+import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.etotem.cfc.common.Result;
+import com.etotem.cfc.dto.ServiceRoleApplyDTO;
+import com.etotem.cfc.entity.*;
+import com.etotem.cfc.mapper.*;
+import com.etotem.cfc.service.ServiceRoleApplicationService;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+import javax.annotation.Resource;
+import java.time.LocalDateTime;
+import java.util.List;
+
+@Service
+public class ServiceRoleApplicationServiceImpl
+        extends ServiceImpl<ServiceRoleApplicationMapper, ServiceRoleApplication>
+        implements ServiceRoleApplicationService {
+
+    @Resource
+    private UserMapper userMapper;
+
+    @Resource
+    private GuideMapper guideMapper;
+
+    @Resource
+    private ButlerProfileMapper butlerProfileMapper;
+
+    @Override
+    public Result submit(Long userId, ServiceRoleApplyDTO dto) {
+        ServiceRoleApplication existing = this.getOne(
+                new LambdaQueryWrapper<ServiceRoleApplication>()
+                        .eq(ServiceRoleApplication::getUserId, userId)
+                        .eq(ServiceRoleApplication::getStatus, 0));
+        if (existing != null) {
+            return Result.error("您已提交过申请，请等待审核");
+        }
+
+        ServiceRoleApplication app = new ServiceRoleApplication();
+        app.setUserId(userId);
+        app.setRoles(JSON.toJSONString(dto.getRoles()));
+        app.setIdCard(dto.getIdCard());
+        app.setIdCardImages(dto.getIdCardImages() != null ? JSON.toJSONString(dto.getIdCardImages()) : null);
+        app.setCertificateImages(dto.getCertificateImages() != null ? JSON.toJSONString(dto.getCertificateImages()) : null);
+        app.setProvince(dto.getProvince());
+        app.setCity(dto.getCity());
+        app.setDistrict(dto.getDistrict());
+        app.setStreet(dto.getStreet());
+        app.setAddressDetail(dto.getAddressDetail());
+        app.setStatus(0);
+        this.save(app);
+        return Result.success("申请提交成功，请等待审核");
+    }
+
+    @Override
+    public Result getMyApplication(Long userId) {
+        ServiceRoleApplication app = this.getOne(
+                new LambdaQueryWrapper<ServiceRoleApplication>()
+                        .eq(ServiceRoleApplication::getUserId, userId)
+                        .orderByDesc(ServiceRoleApplication::getCreatedAt)
+                        .last("LIMIT 1"));
+        return Result.success(app);
+    }
+
+    @Override
+    @Transactional
+    public Result approve(Long id, Long reviewerId) {
+        ServiceRoleApplication app = this.getById(id);
+        if (app == null) {
+            return Result.error("申请记录不存在");
+        }
+        if (app.getStatus() != 0) {
+            return Result.error("该申请已处理");
+        }
+
+        app.setStatus(1);
+        app.setReviewedBy(reviewerId);
+        app.setReviewedAt(LocalDateTime.now());
+        this.updateById(app);
+
+        List<String> roles = JSON.parseArray(app.getRoles(), String.class);
+        User user = userMapper.selectById(app.getUserId());
+
+        for (String role : roles) {
+            switch (role) {
+                case "planner":
+                    Guide guide = new Guide();
+                    guide.setUserId(app.getUserId());
+                    guide.setStatus("active");
+                    guide.setProvince(app.getProvince());
+                    guide.setCity(app.getCity());
+                    guide.setDistrict(app.getDistrict());
+                    guide.setStreet(app.getStreet());
+                    guideMapper.insert(guide);
+                    break;
+                case "nutritionist":
+                    user.setNutritionistStatus("approved");
+                    break;
+                case "butler":
+                    user.setButlerStatus("approved");
+                    ButlerProfile bp = new ButlerProfile();
+                    bp.setUserId(app.getUserId());
+                    bp.setStatus("active");
+                    butlerProfileMapper.insert(bp);
+                    break;
+                case "vendor":
+                    user.setVendorStatus("approved");
+                    break;
+                case "article_admin":
+                    user.setArticleAdminStatus("approved");
+                    break;
+                case "activity_provider":
+                    user.setActivityProviderStatus("approved");
+                    break;
+            }
+        }
+        userMapper.updateById(user);
+
+        return Result.success("审核通过");
+    }
+
+    @Override
+    @Transactional
+    public Result reject(Long id, String reason, Long reviewerId) {
+        ServiceRoleApplication app = this.getById(id);
+        if (app == null) {
+            return Result.error("申请记录不存在");
+        }
+        if (app.getStatus() != 0) {
+            return Result.error("该申请已处理");
+        }
+
+        app.setStatus(2);
+        app.setRejectReason(reason);
+        app.setReviewedBy(reviewerId);
+        app.setReviewedAt(LocalDateTime.now());
+        this.updateById(app);
+        return Result.success("已驳回");
+    }
+}