feat: Implement job fair company registration review workflow

- Added review status fields to the public_job_fair_company table to manage company registration states (pending, approved, rejected).
- Enhanced PublicJobFairServiceImpl to handle company registration, review, and job management for companies.
- Updated PublicJobFairMapper.xml with new SQL queries for managing company relations and reviews.
- Created migration script to add review fields and set default values for existing records.
- Introduced new permissions for company users to manage job postings and registration status.
- Added utility methods for ensuring proper role checks and company retrieval.

ruoyi-bussiness/src/main/java/com/ruoyi/cms/mapper/rc/PublicJobFairMapper.java

@@ -27,6 +27,28 @@ public interface PublicJobFairMapper extends BaseMapper<PublicJobFair> {
      */
     List<PublicJobFairCompanyVO> selectCompanyListByJobFairId(@Param("jobFairId") String jobFairId);
 
+    /**
+     * 查询指定企业在招聘会中的关联记录。
+     */
+    PublicJobFairCompany selectCompanyRelation(@Param("jobFairId") String jobFairId,
+                                               @Param("companyId") Long companyId);
+
+    /**
+     * 批量查询指定企业的招聘会报名状态。
+     */
+    List<PublicJobFairCompany> selectCompanyRelations(@Param("jobFairIds") List<String> jobFairIds,
+                                                      @Param("companyId") Long companyId);
+
+    /**
+     * 查询招聘会企业关联记录。
+     */
+    PublicJobFairCompany selectCompanyRelationById(@Param("id") String id);
+
+    /**
+     * 审核招聘会企业报名。
+     */
+    int updateCompanyReview(PublicJobFairCompany relation);
+
     /**
      * 查询招聘会关联的岗位列表
      */
@@ -94,6 +116,12 @@ public interface PublicJobFairMapper extends BaseMapper<PublicJobFair> {
      */
     int deleteJobFairCompanyById(@Param("id") String id);
 
+    /**
+     * 删除招聘会中指定企业的全部岗位关联。
+     */
+    int deleteJobFairJobsByCompany(@Param("jobFairId") String jobFairId,
+                                   @Param("companyId") Long companyId);
+
     /**
      * 添加岗位到招聘会
      */
@@ -109,6 +137,17 @@ public interface PublicJobFairMapper extends BaseMapper<PublicJobFair> {
      */
     int deleteJobFairJobById(@Param("id") String id);
 
+    /**
+     * 查询招聘会岗位关联。
+     */
+    PublicJobFairJob selectJobRelation(@Param("jobFairId") String jobFairId,
+                                       @Param("jobId") Long jobId);
+
+    /**
+     * 根据关联主键查询招聘会岗位关联。
+     */
+    PublicJobFairJob selectJobRelationById(@Param("id") String id);
+
     /**
      * 查询招聘会报名列表（包含用户信息）
      */