修改政府端前端，银行端小程序和后端接口

bank-backend/models/index.js

@@ -22,6 +22,8 @@ const CompletedSupervision = require('./CompletedSupervision');
 const LoanApplication = require('./LoanApplication');
 const AuditRecord = require('./AuditRecord');
 const LoanContract = require('./LoanContract');
+const LoanRelease = require('./LoanRelease');
+const LoanReleaseHistory = require('./LoanReleaseHistory');
 
 // 定义模型关联关系
 
@@ -226,6 +228,54 @@ User.hasMany(AuditRecord, {
 // 贷款合同暂时不关联用户表，因为当前表结构中没有外键字段
 // 如果需要关联，需要先添加相应的外键字段到数据库表中
 
+// 贷款解押与用户关联（处理人）
+LoanRelease.belongsTo(User, {
+  foreignKey: 'processor_id',
+  as: 'processor',
+  targetKey: 'id'
+});
+
+User.hasMany(LoanRelease, {
+  foreignKey: 'processor_id',
+  as: 'processedReleases'
+});
+
+// 贷款解押与贷款合同关联
+LoanRelease.belongsTo(LoanContract, {
+  foreignKey: 'contract_id',
+  as: 'contract',
+  targetKey: 'id'
+});
+
+LoanContract.hasMany(LoanRelease, {
+  foreignKey: 'contract_id',
+  as: 'releases'
+});
+
+// 贷款解押历史记录与解押申请关联
+LoanReleaseHistory.belongsTo(LoanRelease, {
+  foreignKey: 'release_id',
+  as: 'release',
+  targetKey: 'id'
+});
+
+LoanRelease.hasMany(LoanReleaseHistory, {
+  foreignKey: 'release_id',
+  as: 'histories'
+});
+
+// 贷款解押历史记录与用户关联（操作人）
+LoanReleaseHistory.belongsTo(User, {
+  foreignKey: 'operator_id',
+  as: 'operatorUser',
+  targetKey: 'id'
+});
+
+User.hasMany(LoanReleaseHistory, {
+  foreignKey: 'operator_id',
+  as: 'releaseHistories'
+});
+
 // 导出所有模型和数据库实例
 module.exports = {
   sequelize,
@@ -244,5 +294,7 @@ module.exports = {
   CompletedSupervision,
   LoanApplication,
   AuditRecord,
-  LoanContract
+  LoanContract,
+  LoanRelease,
+  LoanReleaseHistory
 };