add reaction to chat

src/app/module/chat/domain/use-case/message-reaction-use-case.service.ts

@@ -0,0 +1,28 @@
+import { Injectable } from '@angular/core';
+import { MessageRepositoryService } from '../../data/repository/message-respository.service';
+import { object, z } from 'zod';
+
+
+const MessageReactionInputDTOSchema = z.object({
+  memberId: z.number(),
+  messageId: z.string(),
+  roomId: z.string(),
+  reaction: z.string(),
+  requestId: z.string()
+})
+
+export type MessageReactionInput = z.infer< typeof MessageReactionInputDTOSchema>
+
+@Injectable({
+  providedIn: 'root'
+})
+export class MessageReactionUseCaseService {
+
+  constructor(
+    public repository: MessageRepositoryService
+  ) { }
+
+  execute(input: MessageReactionInput) {
+    return this.repository.reactToMessage(input)
+  }
+}