changes

apps/edr-freight-api/src/modules/rule-engine/controllers/priority-configs.controller.ts

@@ -1,4 +1,5 @@
 import {
+  BadRequestException,
   Body, Controller, Delete, Get, HttpCode, HttpStatus,
   Param, ParseUUIDPipe, Patch, Post, Query,
 } from '@nestjs/common';
@@ -24,6 +25,23 @@ export class PriorityConfigsController {
     return this.service.findAll(query);
   }
 
+  // Static route — must stay above `:id` (Express matches in declaration order).
+  @Get('next-range')
+  @RuleEngineView('priority-configs')
+  @ApiOperation({
+    summary:
+      "Where the next contiguous range for a type (and currency) must start, plus the type's ceiling",
+  })
+  nextRange(
+    @Query('type') type: 'WAGON' | 'CURRENCY' | 'CUSTOMS',
+    @Query('currency') currency?: string,
+  ) {
+    if (!['WAGON', 'CURRENCY', 'CUSTOMS'].includes(type)) {
+      throw new BadRequestException('type must be WAGON, CURRENCY, or CUSTOMS');
+    }
+    return this.service.nextRange(type, currency ?? null);
+  }
+
   @Get(':id')
   @RuleEngineView('priority-configs')
   @ApiOperation({ summary: 'Get a priority config by ID' })