fix: added chat to the freight api

apps/edr-freight-api/src/modules/support-chat/support-chat.controller.ts

@@ -0,0 +1,59 @@
+import { CurrentUser } from "@edr/api-common";
+import { SupportAuthorRole } from "@edr/types";
+import { Body, Controller, Get, Post } from "@nestjs/common";
+import { ApiOperation, ApiTags } from "@nestjs/swagger";
+
+import {
+  AuthUserPayload,
+  resolveAuthUserId,
+} from "../../common/resolve-auth-user-id";
+import { SendMessageDto } from "./dto/send-message.dto";
+import { SupportChatService } from "./support-chat.service";
+
+/**
+ * Portal (customer) support-chat endpoints. The caller's company has exactly one
+ * thread, so these are addressed as a singleton — no conversation id on the wire,
+ * and nothing for a portal user to pick between.
+ */
+@ApiTags("support-chat")
+@Controller("support")
+export class SupportChatController {
+  constructor(private readonly service: SupportChatService) {}
+
+  @Get("conversation")
+  @ApiOperation({
+    summary: "My company's support thread (null until someone speaks)",
+  })
+  conversation(@CurrentUser() user: AuthUserPayload) {
+    return this.service.getCustomerConversation(resolveAuthUserId(user));
+  }
+
+  @Get("conversation/messages")
+  @ApiOperation({ summary: "Messages in my company's support thread" })
+  messages(@CurrentUser() user: AuthUserPayload) {
+    return this.service.getCustomerMessages(resolveAuthUserId(user));
+  }
+
+  @Post("conversation/messages")
+  @ApiOperation({
+    summary: "Send a message as the customer, opening the thread if needed",
+  })
+  send(@CurrentUser() user: AuthUserPayload, @Body() body: SendMessageDto) {
+    return this.service.sendAsCustomer(resolveAuthUserId(user), body.body);
+  }
+
+  @Post("conversation/read")
+  @ApiOperation({ summary: "Mark my company's thread read (customer side)" })
+  read(@CurrentUser() user: AuthUserPayload) {
+    return this.service.markCustomerRead(resolveAuthUserId(user));
+  }
+
+  @Get("unread-count")
+  @ApiOperation({ summary: "Count my unread support messages" })
+  unread(@CurrentUser() user: AuthUserPayload) {
+    return this.service.unreadCount(
+      SupportAuthorRole.CUSTOMER,
+      resolveAuthUserId(user),
+    );
+  }
+}