fix: clear chat messages

api/.gitignore

@@ -1,2 +1,3 @@
 tmp/
-api/chatgpt_backend
+api/chatgpt_backend
+env.sh

api/Makefile

@@ -19,13 +19,6 @@ build: vet
 	go build
 .PHONY: build
 
-
-export OPENAI_API_KEY=sk-KltHM7dsS8x2oL0KGJ69XXX
-export PG_HOST=192.168.0.1
-export PG_DB=hwu
-export PG_USER=hwu
-export PG_PASS=123456
-export PG_PORT=5432
 
 serve:
 	@echo "Starting server..."

api/chat_message_handler.go

@@ -33,6 +33,7 @@ func (h *ChatMessageHandler) Register(router *mux.Router) {
 	router.HandleFunc("/uuid/chat_messages/{uuid}", h.UpdateChatMessageByUUID).Methods(http.MethodPut)
 	router.HandleFunc("/uuid/chat_messages/{uuid}", h.DeleteChatMessageByUUID).Methods(http.MethodDelete)
 	router.HandleFunc("/uuid/chat_messages/chat_sessions/{uuid}", h.GetChatHistoryBySessionUUID).Methods(http.MethodGet)
+	router.HandleFunc("/uuid/chat_messages/chat_sessions/{uuid}", h.DeleteChatMessagesBySesionUUID).Methods(http.MethodDelete)
 
 }
 
@@ -207,3 +208,14 @@ func (h *ChatMessageHandler) GetChatHistoryBySessionUUID(w http.ResponseWriter,
 	}
 	json.NewEncoder(w).Encode(simple_msgs)
 }
+
+// DeleteChatMessagesBySesionUUID delete chat messages by session uuid
+func (h *ChatMessageHandler) DeleteChatMessagesBySesionUUID(w http.ResponseWriter, r *http.Request) {
+	uuidStr := mux.Vars(r)["uuid"]
+	err := h.service.DeleteChatMessagesBySesionUUID(r.Context(), uuidStr)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+	w.WriteHeader(http.StatusOK)
+}

api/chat_message_service.go

@@ -201,3 +201,12 @@ func (s *ChatMessageService) GetLastNChatMessages(ctx context.Context, uuid stri
 	}
 	return message, nil
 }
+
+//DeleteChatMessagesBySesionUUID deletes chat messages by session uuid.
+func (s *ChatMessageService) DeleteChatMessagesBySesionUUID(ctx context.Context, uuid string) error {
+	err := s.q.DeleteChatMessagesBySesionUUID(ctx, uuid)
+	if err != nil {
+		return errors.New("failed to delete message")
+	}
+	return nil
+}

api/sqlc/queries/chat_message.sql

@@ -103,4 +103,9 @@ ORDER BY created_at;
 -- name: UpdateChatMessageContent :exec
 UPDATE chat_message
 SET content = $2, updated_at = now()
-WHERE uuid = $1 ;
+WHERE uuid = $1 ;
+
+
+-- name: DeleteChatMessagesBySesionUUID :exec
+DELETE FROM chat_message
+WHERE chat_session_uuid = $1;

e2e/tests/01_register.spec.ts

@@ -14,6 +14,5 @@ test('test', async ({ page }) => {
   await page.getByTestId('password').locator('input').click();
   await page.getByTestId('password').locator('input').fill('@WuHao5');
   await page.getByTestId('signup').click();
-
 });
 

e2e/tests/06_clear_messages.spec.ts

@@ -0,0 +1,61 @@
+import { test, expect } from '@playwright/test';
+import { Pool } from 'pg';
+import { selectUserByEmail } from '../lib/db/user';
+import { selectChatSessionByUserId as selectChatSessionsByUserId } from '../lib/db/chat_session';
+import { selectChatPromptsBySessionUUID } from '../lib/db/chat_prompt';
+import { selectChatMessagesBySessionUUID } from '../lib/db/chat_message';
+import { randomEmail } from '../lib/sample';
+import { db_config } from '../lib/db/config';
+
+const pool = new Pool(db_config);
+
+const test_email = randomEmail();
+
+test('after clear conversation, only system message remains', async ({ page }) => {
+  await page.goto('/');
+  await page.getByTestId('email').click();
+  await page.getByTestId('email').locator('input').fill(test_email);
+  await page.getByTestId('password').locator('input').click();
+  await page.getByTestId('password').locator('input').fill('@WuHao5');
+  await page.getByTestId('signup').click();
+  // sleep 1 second
+  await page.waitForTimeout(1000);
+  let input_area = await page.$("#message_textarea textarea")
+  await input_area?.click();
+  await input_area?.fill('test_demo_bestqa');
+  await input_area?.press('Enter');
+  await page.waitForTimeout(1000);
+  await input_area?.fill('test_demo_bestqa');
+  await input_area?.press('Enter');
+  // get message counts in the conversation
+
+  await page.waitForTimeout(1000);
+
+  const message_counts = await page.$$eval('.message-text', (messages) => messages.length);
+  expect(message_counts).toBe(4);
+
+  const user = await selectUserByEmail(pool, test_email);
+  expect(user.email).toBe(test_email);
+  // expect(user.id).toBe(37);
+  const sessions = await selectChatSessionsByUserId(pool, user.id);
+  const session = sessions[0];
+
+  // clear
+  await page.getByRole('contentinfo').getByRole('button').first().click();
+  await page.getByRole('button', { name: '是' }).click();
+
+  // sleep 500 ms
+  await page.waitForTimeout(500);
+  // get message counts in the conversation
+  const message_count_after_clear = await page.$$eval('.message-text', (messages) => messages.length);
+  expect(message_count_after_clear).toBe(1);
+
+  const prompts = await selectChatPromptsBySessionUUID(pool, session.uuid)
+  expect(prompts.length).toBe(1);
+  expect(prompts[0].updated_by).toBe(user.id);
+  // sleep 5 seconds
+  await page.waitForTimeout(500);
+  const messages = await selectChatMessagesBySessionUUID(pool, session.uuid)
+  expect(messages.length).toBe(0);
+});
+

web/src/api/index.ts

@@ -157,6 +157,18 @@ export const renameChatSession = async (uuid: string, name: string) => {
   }
 }
 
+export const clearSessionChatMessages = async (sessionUuid: string) => {
+  try {
+    const response = await request.delete(`/uuid/chat_messages/chat_sessions/${sessionUuid}`)
+    return response.data
+  }
+  catch (error) {
+    console.error(error)
+    throw error
+  }
+}
+
+
 export const deleteChatMessage = async (uuid: string) => {
   try {
     const response = await request.delete(`/uuid/chat_messages/${uuid}`)

web/src/locales/zh-CN.ts

@@ -1,5 +1,6 @@
 export default {
   common: {
+    help: '第一条是主题(prompt), 上下午包括10条信息',
     edit: '编辑',
     delete: '删除',
     save: '保存',

web/src/store/modules/chat/index.ts

@@ -4,6 +4,7 @@ import { v4 as uuidv4 } from 'uuid'
 import { getLocalState, setLocalState } from './helper'
 import { router } from '@/router'
 import {
+  clearSessionChatMessages,
   createChatSession,
   createOrUpdateUserActiveChatSession,
   deleteChatData,
@@ -237,6 +238,7 @@ export const useChatStore = defineStore('chat-store', {
     },
 
     clearChatByUuid(uuid: string) {
+      // does this every happen?
       if (!uuid) {
         if (this.chat.length) {
           this.chat[0].data = []
@@ -247,7 +249,8 @@ export const useChatStore = defineStore('chat-store', {
 
       const index = this.chat.findIndex(item => item.uuid === uuid)
       if (index !== -1) {
-        this.chat[index].data = []
+        this.chat[index].data = this.chat[index].data.slice(0, 1)
+        clearSessionChatMessages(uuid)
         this.recordState()
       }
     },

web/src/views/chat/components/Message/index.vue

@@ -95,6 +95,7 @@ function handleRegenerate() {
       >
         <TextComponent
           ref="textRef"
+          class="message-text"
           :inversion="inversion"
           :error="error"
           :text="text"

web/src/views/chat/index.vue

@@ -505,7 +505,7 @@ onUnmounted(() => {
           <template v-if="!dataSources.length">
             <div class="flex items-center justify-center mt-4 text-center text-neutral-300">
               <SvgIcon icon="ri:bubble-chart-fill" class="mr-2 text-3xl" />
-              <span>Aha~</span>
+              <span>{{ $t('common.help') }}</span>
             </div>
           </template>
           <template v-else>