Add File

frontend/src/views/chat/answer/PredictAnswer.vue

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+<script setup lang="ts">
+import BaseAnswer from './BaseAnswer.vue'
+import { chatApi, ChatInfo, type ChatMessage, ChatRecord } from '@/api/chat.ts'
+import { computed, nextTick, onBeforeUnmount, onMounted, ref } from 'vue'
+import MdComponent from '@/views/chat/component/MdComponent.vue'
+import ChartBlock from '@/views/chat/chat-block/ChartBlock.vue'
+const props = withDefaults(
+  defineProps<{
+    chatList?: Array<ChatInfo>
+    currentChatId?: number
+    currentChat?: ChatInfo
+    message?: ChatMessage
+    loading?: boolean
+  }>(),
+  {
+    chatList: () => [],
+    currentChatId: undefined,
+    currentChat: () => new ChatInfo(),
+    message: undefined,
+    loading: false,
+  }
+)
+
+const emits = defineEmits([
+  'finish',
+  'error',
+  'stop',
+  'update:loading',
+  'update:chatList',
+  'update:currentChat',
+  'update:currentChatId',
+])
+
+const index = computed(() => {
+  if (props.message?.index) {
+    return props.message.index
+  }
+  if (props.message?.index === 0) {
+    return 0
+  }
+  return -1
+})
+
+const _currentChatId = computed({
+  get() {
+    return props.currentChatId
+  },
+  set(v) {
+    emits('update:currentChatId', v)
+  },
+})
+
+const _currentChat = computed({
+  get() {
+    return props.currentChat
+  },
+  set(v) {
+    emits('update:currentChat', v)
+  },
+})
+
+const _chatList = computed({
+  get() {
+    return props.chatList
+  },
+  set(v) {
+    emits('update:chatList', v)
+  },
+})
+
+const _loading = computed({
+  get() {
+    return props.loading
+  },
+  set(v) {
+    emits('update:loading', v)
+  },
+})
+
+const stopFlag = ref(false)
+const sendMessage = async () => {
+  stopFlag.value = false
+  _loading.value = true
+
+  if (index.value < 0) {
+    _loading.value = false
+    return
+  }
+
+  const currentRecord: ChatRecord = _currentChat.value.records[index.value]
+
+  let error: boolean = false
+  if (_currentChatId.value === undefined || currentRecord.predict_record_id === undefined) {
+    error = true
+  }
+  if (error) return
+
+  try {
+    const controller: AbortController = new AbortController()
+    const response = await chatApi.predict(currentRecord.predict_record_id, controller)
+    const reader = response.body.getReader()
+    const decoder = new TextDecoder('utf-8')
+
+    let predict_answer = ''
+    let predict_content = ''
+
+    let tempResult = ''
+
+    while (true) {
+      if (stopFlag.value) {
+        controller.abort()
+        _loading.value = false
+        break
+      }
+
+      const { done, value } = await reader.read()
+      if (done) {
+        _loading.value = false
+        break
+      }
+
+      let chunk = decoder.decode(value, { stream: true })
+      tempResult += chunk
+      const split = tempResult.match(/data:.*}\n\n/g)
+      if (split) {
+        chunk = split.join('')
+        tempResult = tempResult.replace(chunk, '')
+      } else {
+        continue
+      }
+      if (chunk && chunk.startsWith('data:{')) {
+        if (split) {
+          for (const str of split) {
+            let data
+            try {
+              data = JSON.parse(str.replace('data:{', '{'))
+            } catch (err) {
+              console.error('JSON string:', str)
+              throw err
+            }
+
+            if (data.code && data.code !== 200) {
+              ElMessage({
+                message: data.msg,
+                type: 'error',
+                showClose: true,
+              })
+              return
+            }
+
+            switch (data.type) {
+              case 'id':
+                currentRecord.id = data.id
+                _currentChat.value.records[index.value].id = data.id
+                break
+              case 'info':
+                console.info(data.msg)
+                break
+              case 'error':
+                currentRecord.error = data.content
+                emits('error')
+                break
+              case 'predict-result':
+                predict_answer += data.reasoning_content
+                predict_content += data.content
+                _currentChat.value.records[index.value].predict = predict_answer
+                _currentChat.value.records[index.value].predict_content = predict_content
+                break
+              case 'predict-failed':
+                emits('error')
+                break
+              case 'predict-success':
+                //currentChat.value.records[_index].predict_data = data.content
+                getChatPredictData(_currentChat.value.records[index.value].id)
+                emits('finish', currentRecord.id)
+                break
+              case 'predict_finish':
+                _loading.value = false
+                break
+            }
+            await nextTick()
+          }
+        }
+      }
+    }
+  } catch (error) {
+    if (!currentRecord.error) {
+      currentRecord.error = ''
+    }
+    if (currentRecord.error.trim().length !== 0) {
+      currentRecord.error = currentRecord.error + '\n'
+    }
+    currentRecord.error = currentRecord.error + 'Error:' + error
+    console.error('Error:', error)
+    emits('error')
+  } finally {
+    _loading.value = false
+  }
+}
+
+const chartBlockRef = ref()
+
+function getChatPredictData(recordId?: number) {
+  chatApi.get_chart_predict_data(recordId).then((response) => {
+    _currentChat.value.records.forEach((record) => {
+      if (record.id === recordId) {
+        record.predict_data = response ?? []
+
+        if (record.predict_data.length > 1) {
+          getChatData(recordId)
+        }
+      }
+    })
+  })
+}
+
+function getChatData(recordId?: number) {
+  chatApi.get_chart_data(recordId).then((response) => {
+    _currentChat.value.records.forEach((record) => {
+      if (record.id === recordId) {
+        record.data = response
+        console.log(record.data)
+      }
+    })
+  })
+}
+
+function stop() {
+  stopFlag.value = true
+  _loading.value = false
+  emits('stop')
+}
+
+onBeforeUnmount(() => {
+  stop()
+})
+
+onMounted(() => {
+  if (props.message?.record?.id && props.message?.record?.finish) {
+    getChatPredictData(props.message.record.id)
+  }
+})
+
+defineExpose({ sendMessage, index: () => index.value, chatList: () => _chatList, stop })
+</script>
+
+<template>
+  <BaseAnswer v-if="message" :message="message" :reasoning-name="['predict']" :loading="_loading">
+    <MdComponent :message="message.record?.predict_content" style="margin-top: 12px" />
+    <ChartBlock
+      v-if="message.record?.predict_data?.length > 0 && message.record?.data"
+      ref="chartBlockRef"
+      style="margin-top: 12px"
+      :message="message"
+      is-predict
+    />
+    <slot></slot>
+    <template #tool>
+      <slot name="tool"></slot>
+    </template>
+    <template #footer>
+      <slot name="footer"></slot>
+    </template>
+  </BaseAnswer>
+</template>
+
+<style scoped lang="less"></style>