From d29b978732c2907abc41a937de33d71f81ca5b51 Mon Sep 17 00:00:00 2001
From: dongyukun <1208714201@qq.com>
Date: 星期二, 03 六月 2025 13:14:11 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master'

---
 src/views/ai/chat/index/index.vue |  773 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 773 insertions(+), 0 deletions(-)

diff --git a/src/views/ai/chat/index/index.vue b/src/views/ai/chat/index/index.vue
new file mode 100644
index 0000000..e6efef0
--- /dev/null
+++ b/src/views/ai/chat/index/index.vue
@@ -0,0 +1,773 @@
+<template>
+  <el-container class="ai-layout">
+    <!-- 左侧:对话列表 -->
+    <ConversationList
+      :active-id="activeConversationId"
+      ref="conversationListRef"
+      @on-conversation-create="handleConversationCreateSuccess"
+      @on-conversation-click="handleConversationClick"
+      @on-conversation-clear="handleConversationClear"
+      @on-conversation-delete="handlerConversationDelete"
+    />
+    <!-- 右侧:对话详情 -->
+    <el-container class="detail-container">
+      <el-header class="header">
+        <div class="title">
+          {{ activeConversation?.title ? activeConversation?.title : '对话' }}
+          <span v-if="activeMessageList.length">({{ activeMessageList.length }})</span>
+        </div>
+        <div class="btns" v-if="activeConversation">
+          <el-button type="primary" bg plain size="small" @click="openChatConversationUpdateForm">
+            <span v-html="activeConversation?.modelName"></span>
+            <Icon icon="ep:setting" class="ml-10px" />
+          </el-button>
+          <el-button size="small" class="btn" @click="handlerMessageClear">
+            <Icon icon="heroicons-outline:archive-box-x-mark" color="#787878" />
+          </el-button>
+          <el-button size="small" class="btn">
+            <Icon icon="ep:download" color="#787878" />
+          </el-button>
+          <el-button size="small" class="btn" @click="handleGoTopMessage">
+            <Icon icon="ep:top" color="#787878" />
+          </el-button>
+        </div>
+      </el-header>
+
+      <!-- main:消息列表 -->
+      <el-main class="main-container">
+        <div>
+          <div class="message-container">
+            <!-- 情况一:消息加载中 -->
+            <MessageLoading v-if="activeMessageListLoading" />
+            <!-- 情况二:无聊天对话时 -->
+            <MessageNewConversation
+              v-if="!activeConversation"
+              @on-new-conversation="handleConversationCreate"
+            />
+            <!-- 情况三:消息列表为空 -->
+            <MessageListEmpty
+              v-if="!activeMessageListLoading && messageList.length === 0 && activeConversation"
+              @on-prompt="doSendMessage"
+            />
+            <!-- 情况四:消息列表不为空 -->
+            <MessageList
+              v-if="!activeMessageListLoading && messageList.length > 0"
+              ref="messageRef"
+              :conversation="activeConversation"
+              :list="messageList"
+              @on-delete-success="handleMessageDelete"
+              @on-edit="handleMessageEdit"
+              @on-refresh="handleMessageRefresh"
+            />
+          </div>
+        </div>
+      </el-main>
+
+      <!-- 底部 -->
+      <el-footer class="footer-container">
+        <form class="prompt-from">
+          <textarea
+            class="prompt-input"
+            v-model="prompt"
+            @keydown="handleSendByKeydown"
+            @input="handlePromptInput"
+            @compositionstart="onCompositionstart"
+            @compositionend="onCompositionend"
+            placeholder="问我任何问题...(Shift+Enter 换行,按下 Enter 发送)"
+          ></textarea>
+          <div class="prompt-btns">
+            <div>
+              <el-switch v-model="enableContext" />
+              <span class="ml-5px text-14px text-#8f8f8f">上下文</span>
+            </div>
+            <el-button
+              type="primary"
+              size="default"
+              @click="handleSendByButton"
+              :loading="conversationInProgress"
+              v-if="conversationInProgress == false"
+            >
+              {{ conversationInProgress ? '进行中' : '发送' }}
+            </el-button>
+            <el-button
+              type="danger"
+              size="default"
+              @click="stopStream()"
+              v-if="conversationInProgress == true"
+            >
+              停止
+            </el-button>
+          </div>
+        </form>
+      </el-footer>
+    </el-container>
+
+    <!-- 更新对话 Form -->
+    <ConversationUpdateForm
+      ref="conversationUpdateFormRef"
+      @success="handleConversationUpdateSuccess"
+    />
+  </el-container>
+</template>
+
+<script setup lang="ts">
+import { ChatMessageApi, ChatMessageVO } from '@/api/ai/chat/message'
+import { ChatConversationApi, ChatConversationVO } from '@/api/ai/chat/conversation'
+import ConversationList from './components/conversation/ConversationList.vue'
+import ConversationUpdateForm from './components/conversation/ConversationUpdateForm.vue'
+import MessageList from './components/message/MessageList.vue'
+import MessageListEmpty from './components/message/MessageListEmpty.vue'
+import MessageLoading from './components/message/MessageLoading.vue'
+import MessageNewConversation from './components/message/MessageNewConversation.vue'
+
+/** AI 聊天对话 列表 */
+defineOptions({ name: 'AiChat' })
+
+const route = useRoute() // 路由
+const message = useMessage() // 消息弹窗
+
+// 聊天对话
+const conversationListRef = ref()
+const activeConversationId = ref<number | null>(null) // 选中的对话编号
+const activeConversation = ref<ChatConversationVO | null>(null) // 选中的 Conversation
+const conversationInProgress = ref(false) // 对话是否正在进行中。目前只有【发送】消息时,会更新为 true,避免切换对话、删除对话等操作
+
+// 消息列表
+const messageRef = ref()
+const activeMessageList = ref<ChatMessageVO[]>([]) // 选中对话的消息列表
+const activeMessageListLoading = ref<boolean>(false) // activeMessageList 是否正在加载中
+const activeMessageListLoadingTimer = ref<any>() // activeMessageListLoading Timer 定时器。如果加载速度很快,就不进入加载中
+// 消息滚动
+const textSpeed = ref<number>(50) // Typing speed in milliseconds
+const textRoleRunning = ref<boolean>(false) // Typing speed in milliseconds
+
+// 发送消息输入框
+const isComposing = ref(false) // 判断用户是否在输入
+const conversationInAbortController = ref<any>() // 对话进行中 abort 控制器(控制 stream 对话)
+const inputTimeout = ref<any>() // 处理输入中回车的定时器
+const prompt = ref<string>() // prompt
+const enableContext = ref<boolean>(true) // 是否开启上下文
+// 接收 Stream 消息
+const receiveMessageFullText = ref('')
+const receiveMessageDisplayedText = ref('')
+
+
+// =========== 【聊天对话】相关 ===========
+
+/** 获取对话信息 */
+const getConversation = async (id: number | null) => {
+  if (!id) {
+    return
+  }
+  const conversation: ChatConversationVO = await ChatConversationApi.getChatConversationMy(id)
+  if (!conversation) {
+    return
+  }
+  activeConversation.value = conversation
+  activeConversationId.value = conversation.id
+}
+
+/**
+ * 点击某个对话
+ *
+ * @param conversation 选中的对话
+ * @return 是否切换成功
+ */
+const handleConversationClick = async (conversation: ChatConversationVO) => {
+  // 对话进行中,不允许切换
+  if (conversationInProgress.value) {
+    message.alert('对话中,不允许切换!')
+    return false
+  }
+
+  // 更新选中的对话 id
+  activeConversationId.value = conversation.id
+  activeConversation.value = conversation
+  // 刷新 message 列表
+  await getMessageList()
+  // 滚动底部
+  scrollToBottom(true)
+  // 清空输入框
+  prompt.value = ''
+  return true
+}
+
+/** 删除某个对话*/
+const handlerConversationDelete = async (delConversation: ChatConversationVO) => {
+  // 删除的对话如果是当前选中的,那么就重置
+  if (activeConversationId.value === delConversation.id) {
+    await handleConversationClear()
+  }
+}
+/** 清空选中的对话 */
+const handleConversationClear = async () => {
+  // 对话进行中,不允许切换
+  if (conversationInProgress.value) {
+    message.alert('对话中,不允许切换!')
+    return false
+  }
+  activeConversationId.value = null
+  activeConversation.value = null
+  activeMessageList.value = []
+}
+
+/** 修改聊天对话 */
+const conversationUpdateFormRef = ref()
+const openChatConversationUpdateForm = async () => {
+  conversationUpdateFormRef.value.open(activeConversationId.value)
+}
+const handleConversationUpdateSuccess = async () => {
+  // 对话更新成功,刷新最新信息
+  await getConversation(activeConversationId.value)
+}
+
+/** 处理聊天对话的创建成功 */
+const handleConversationCreate = async () => {
+  // 创建对话
+  await conversationListRef.value.createConversation()
+}
+/** 处理聊天对话的创建成功 */
+const handleConversationCreateSuccess = async () => {
+  // 创建新的对话,清空输入框
+  prompt.value = ''
+}
+
+// =========== 【消息列表】相关 ===========
+
+/** 获取消息 message 列表 */
+const getMessageList = async () => {
+  try {
+    if (activeConversationId.value === null) {
+      return
+    }
+    // Timer 定时器,如果加载速度很快,就不进入加载中
+    activeMessageListLoadingTimer.value = setTimeout(() => {
+      activeMessageListLoading.value = true
+    }, 60)
+
+    // 获取消息列表
+    activeMessageList.value = await ChatMessageApi.getChatMessageListByConversationId(
+      activeConversationId.value
+    )
+
+    // 滚动到最下面
+    await nextTick()
+    await scrollToBottom()
+  } finally {
+    // time 定时器,如果加载速度很快,就不进入加载中
+    if (activeMessageListLoadingTimer.value) {
+      clearTimeout(activeMessageListLoadingTimer.value)
+    }
+    // 加载结束
+    activeMessageListLoading.value = false
+  }
+}
+
+/**
+ * 消息列表
+ *
+ * 和 {@link #getMessageList()} 的差异是,把 systemMessage 考虑进去
+ */
+const messageList = computed(() => {
+  if (activeMessageList.value.length > 0) {
+    return activeMessageList.value
+  }
+  // 没有消息时,如果有 systemMessage 则展示它
+  if (activeConversation.value?.systemMessage) {
+    return [
+      {
+        id: 0,
+        type: 'system',
+        content: activeConversation.value.systemMessage
+      }
+    ]
+  }
+  return []
+})
+
+/** 处理删除 message 消息 */
+const handleMessageDelete = () => {
+  if (conversationInProgress.value) {
+    message.alert('回答中,不能删除!')
+    return
+  }
+  // 刷新 message 列表
+  getMessageList()
+}
+
+/** 处理 message 清空 */
+const handlerMessageClear = async () => {
+  if (!activeConversationId.value) {
+    return
+  }
+  try {
+    // 确认提示
+    await message.delConfirm('确认清空对话消息?')
+    // 清空对话
+    await ChatMessageApi.deleteByConversationId(activeConversationId.value)
+    // 刷新 message 列表
+    activeMessageList.value = []
+  } catch {}
+}
+
+/** 回到 message 列表的顶部 */
+const handleGoTopMessage = () => {
+  messageRef.value.handlerGoTop()
+}
+
+// =========== 【发送消息】相关 ===========
+
+/** 处理来自 keydown 的发送消息 */
+const handleSendByKeydown = async (event) => {
+  // 判断用户是否在输入
+  if (isComposing.value) {
+    return
+  }
+  // 进行中不允许发送
+  if (conversationInProgress.value) {
+    return
+  }
+  const content = prompt.value?.trim() as string
+  if (event.key === 'Enter') {
+    if (event.shiftKey) {
+      // 插入换行
+      prompt.value += '\r\n'
+      event.preventDefault() // 防止默认的换行行为
+    } else {
+      // 发送消息
+      await doSendMessage(content)
+      event.preventDefault() // 防止默认的提交行为
+    }
+  }
+}
+
+/** 处理来自【发送】按钮的发送消息 */
+const handleSendByButton = () => {
+  doSendMessage(prompt.value?.trim() as string)
+}
+
+/** 处理 prompt 输入变化 */
+const handlePromptInput = (event) => {
+  // 非输入法 输入设置为 true
+  if (!isComposing.value) {
+    // 回车 event data 是 null
+    if (event.data == null) {
+      return
+    }
+    isComposing.value = true
+  }
+  // 清理定时器
+  if (inputTimeout.value) {
+    clearTimeout(inputTimeout.value)
+  }
+  // 重置定时器
+  inputTimeout.value = setTimeout(() => {
+    isComposing.value = false
+  }, 400)
+}
+// TODO @芋艿:是不是可以通过 @keydown.enter、@keydown.shift.enter 来实现,回车发送、shift+回车换行;主要看看,是不是可以简化 isComposing 相关的逻辑
+const onCompositionstart = () => {
+  isComposing.value = true
+}
+const onCompositionend = () => {
+  // console.log('输入结束...')
+  setTimeout(() => {
+    isComposing.value = false
+  }, 200)
+}
+
+/** 真正执行【发送】消息操作 */
+const doSendMessage = async (content: string) => {
+  // 校验
+  if (content.length < 1) {
+    message.error('发送失败,原因:内容为空!')
+    return
+  }
+  if (activeConversationId.value == null) {
+    message.error('还没创建对话,不能发送!')
+    return
+  }
+  // 清空输入框
+  prompt.value = ''
+  // 执行发送
+  await doSendMessageStream({
+    conversationId: activeConversationId.value,
+    content: content
+  } as ChatMessageVO)
+}
+
+/** 真正执行【发送】消息操作 */
+const doSendMessageStream = async (userMessage: ChatMessageVO) => {
+  // 创建 AbortController 实例,以便中止请求
+  conversationInAbortController.value = new AbortController()
+  // 标记对话进行中
+  conversationInProgress.value = true
+  // 设置为空
+  receiveMessageFullText.value = ''
+
+  try {
+    // 1.1 先添加两个假数据,等 stream 返回再替换
+    activeMessageList.value.push({
+      id: -1,
+      conversationId: activeConversationId.value,
+      type: 'user',
+      content: userMessage.content,
+      createTime: new Date()
+    } as ChatMessageVO)
+    activeMessageList.value.push({
+      id: -2,
+      conversationId: activeConversationId.value,
+      type: 'assistant',
+      content: '思考中...',
+      createTime: new Date()
+    } as ChatMessageVO)
+    // 1.2 滚动到最下面
+    await nextTick()
+    await scrollToBottom() // 底部
+    // 1.3 开始滚动
+    textRoll()
+
+    // 2. 发送 event stream
+    let isFirstChunk = true // 是否是第一个 chunk 消息段
+    await ChatMessageApi.sendChatMessageStream(
+      userMessage.conversationId,
+      userMessage.content,
+      conversationInAbortController.value,
+      enableContext.value,
+      async (res) => {
+        const { code, data, msg } = JSON.parse(res.data)
+        if (code !== 0) {
+          message.alert(`对话异常! ${msg}`)
+          return
+        }
+
+        // 如果内容为空,就不处理。
+        if (data.receive.content === '') {
+          return
+        }
+        // 首次返回需要添加一个 message 到页面,后面的都是更新
+        if (isFirstChunk) {
+          isFirstChunk = false
+          // 弹出两个假数据
+          activeMessageList.value.pop()
+          activeMessageList.value.pop()
+          // 更新返回的数据
+          activeMessageList.value.push(data.send)
+          activeMessageList.value.push(data.receive)
+        }
+        // debugger
+        receiveMessageFullText.value = receiveMessageFullText.value + data.receive.content
+        // 滚动到最下面
+        await scrollToBottom()
+      },
+      (error) => {
+        message.alert(`对话异常! ${error}`)
+        stopStream()
+      },
+      () => {
+        stopStream()
+      }
+    )
+  } catch {}
+}
+
+/** 停止 stream 流式调用 */
+const stopStream = async () => {
+  // tip:如果 stream 进行中的 message,就需要调用 controller 结束
+  if (conversationInAbortController.value) {
+    conversationInAbortController.value.abort()
+  }
+  // 设置为 false
+  conversationInProgress.value = false
+}
+
+/** 编辑 message:设置为 prompt,可以再次编辑 */
+const handleMessageEdit = (message: ChatMessageVO) => {
+  prompt.value = message.content
+}
+
+/** 刷新 message:基于指定消息,再次发起对话 */
+const handleMessageRefresh = (message: ChatMessageVO) => {
+  doSendMessage(message.content)
+}
+
+// ============== 【消息滚动】相关 =============
+
+/** 滚动到 message 底部 */
+const scrollToBottom = async (isIgnore?: boolean) => {
+  await nextTick()
+  if (messageRef.value) {
+    messageRef.value.scrollToBottom(isIgnore)
+  }
+}
+
+/** 自提滚动效果 */
+const textRoll = async () => {
+  let index = 0
+  try {
+    // 只能执行一次
+    if (textRoleRunning.value) {
+      return
+    }
+    // 设置状态
+    textRoleRunning.value = true
+    receiveMessageDisplayedText.value = ''
+    const task = async () => {
+      // 调整速度
+      const diff =
+        (receiveMessageFullText.value.length - receiveMessageDisplayedText.value.length) / 10
+      if (diff > 5) {
+        textSpeed.value = 10
+      } else if (diff > 2) {
+        textSpeed.value = 30
+      } else if (diff > 1.5) {
+        textSpeed.value = 50
+      } else {
+        textSpeed.value = 100
+      }
+      // 对话结束,就按 30 的速度
+      if (!conversationInProgress.value) {
+        textSpeed.value = 10
+      }
+
+      if (index < receiveMessageFullText.value.length) {
+        receiveMessageDisplayedText.value += receiveMessageFullText.value[index]
+        index++
+
+        // 更新 message
+        const lastMessage = activeMessageList.value[activeMessageList.value.length - 1]
+        lastMessage.content = receiveMessageDisplayedText.value
+        // 滚动到住下面
+        await scrollToBottom()
+        // 重新设置任务
+        timer = setTimeout(task, textSpeed.value)
+      } else {
+        // 不是对话中可以结束
+        if (!conversationInProgress.value) {
+          textRoleRunning.value = false
+          clearTimeout(timer)
+        } else {
+          // 重新设置任务
+          timer = setTimeout(task, textSpeed.value)
+        }
+      }
+    }
+    let timer = setTimeout(task, textSpeed.value)
+  } catch {}
+}
+
+/** 初始化 **/
+onMounted(async () => {
+  // 如果有 conversationId 参数,则默认选中
+  if (route.query.conversationId) {
+    const id = route.query.conversationId as unknown as number
+    activeConversationId.value = id
+    await getConversation(id)
+  }
+
+  // 获取列表数据
+  activeMessageListLoading.value = true
+  await getMessageList()
+})
+</script>
+
+<style lang="scss" scoped>
+.ai-layout {
+  position: absolute;
+  flex: 1;
+  top: 0;
+  left: 0;
+  height: 100%;
+  width: 100%;
+}
+
+.conversation-container {
+  position: relative;
+  display: flex;
+  flex-direction: column;
+  justify-content: space-between;
+  padding: 10px 10px 0;
+
+  .btn-new-conversation {
+    padding: 18px 0;
+  }
+
+  .search-input {
+    margin-top: 20px;
+  }
+
+  .conversation-list {
+    margin-top: 20px;
+
+    .conversation {
+      display: flex;
+      flex-direction: row;
+      justify-content: space-between;
+      flex: 1;
+      padding: 0 5px;
+      margin-top: 10px;
+      cursor: pointer;
+      border-radius: 5px;
+      align-items: center;
+      line-height: 30px;
+
+      &.active {
+        background-color: #e6e6e6;
+
+        .button {
+          display: inline-block;
+        }
+      }
+
+      .title-wrapper {
+        display: flex;
+        flex-direction: row;
+        align-items: center;
+      }
+
+      .title {
+        padding: 5px 10px;
+        max-width: 220px;
+        font-size: 14px;
+        overflow: hidden;
+        white-space: nowrap;
+        text-overflow: ellipsis;
+      }
+
+      .avatar {
+        width: 28px;
+        height: 28px;
+        display: flex;
+        flex-direction: row;
+        justify-items: center;
+      }
+
+      // 对话编辑、删除
+      .button-wrapper {
+        right: 2px;
+        display: flex;
+        flex-direction: row;
+        justify-items: center;
+        color: #606266;
+
+        .el-icon {
+          margin-right: 5px;
+        }
+      }
+    }
+  }
+
+  // 角色仓库、清空未设置对话
+  .tool-box {
+    line-height: 35px;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+    color: var(--el-text-color);
+
+    > div {
+      display: flex;
+      align-items: center;
+      color: #606266;
+      padding: 0;
+      margin: 0;
+      cursor: pointer;
+
+      > span {
+        margin-left: 5px;
+      }
+    }
+  }
+}
+
+// 头部
+.detail-container {
+  background: #ffffff;
+
+  .header {
+    display: flex;
+    flex-direction: row;
+    align-items: center;
+    justify-content: space-between;
+    background: #fbfbfb;
+    box-shadow: 0 0 0 0 #dcdfe6;
+
+    .title {
+      font-size: 18px;
+      font-weight: bold;
+    }
+
+    .btns {
+      display: flex;
+      width: 300px;
+      flex-direction: row;
+      justify-content: flex-end;
+      //justify-content: space-between;
+
+      .btn {
+        padding: 10px;
+      }
+    }
+  }
+}
+
+// main 容器
+.main-container {
+  margin: 0;
+  padding: 0;
+  position: relative;
+  height: 100%;
+  width: 100%;
+
+  .message-container {
+    position: absolute;
+    top: 0;
+    bottom: 0;
+    left: 0;
+    right: 0;
+    overflow-y: hidden;
+    padding: 0;
+    margin: 0;
+  }
+}
+
+// 底部
+.footer-container {
+  display: flex;
+  flex-direction: column;
+  height: auto;
+  margin: 0;
+  padding: 0;
+
+  .prompt-from {
+    display: flex;
+    flex-direction: column;
+    height: auto;
+    border: 1px solid #e3e3e3;
+    border-radius: 10px;
+    margin: 10px 20px 20px 20px;
+    padding: 9px 10px;
+  }
+
+  .prompt-input {
+    height: 80px;
+    //box-shadow: none;
+    border: none;
+    box-sizing: border-box;
+    resize: none;
+    padding: 0 2px;
+    overflow: auto;
+  }
+
+  .prompt-input:focus {
+    outline: none;
+  }
+
+  .prompt-btns {
+    display: flex;
+    justify-content: space-between;
+    padding-bottom: 0;
+    padding-top: 5px;
+  }
+}
+</style>

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