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<script setup lang="ts">
import { useAiChatStore } from "@/stores/aichat";
import { useModelStore } from "@/stores/model";
import { t } from "@/i18n";
import { notifyError } from "@/util/msg.ts";
import { ElScrollbar } from "element-plus";
import { getSystemConfig } from "@/system/config";
import { Vue3Lottie } from "vue3-lottie";
const chatStore = useAiChatStore();
const modelStore = useModelStore();
const isPadding = ref(false); //是否发送中
const imageInput: any = ref(null);
let imageData = ref("");
const messageContainerRef = ref<InstanceType<typeof ElScrollbar>>();
const messageInnerRef = ref<HTMLDivElement>();
// User Input Message
const userMessage = ref("");
const promptMessage = computed(() => {
return [
{
content: chatStore.chatInfo.prompt,
chatType: "chat",
chatId: chatStore.activeId,
role: "system",
id: Date.now(),
createAt: Date.now(),
},
];
});
const requestMessages = computed(() => {
const contextLen = modelStore.chatConfig.chat.contextLength;
//console.log(contextLen)
if (chatStore.messageList.length <= contextLen) {
return [...promptMessage.value, ...chatStore.messageList];
} else {
// 截取最新的10条信息
const slicedMessages = chatStore.messageList.slice(-contextLen);
return [...promptMessage.value, ...slicedMessages];
}
});
const sendMessage = async () => {
if (chatStore.activeId < 1) {
notifyError(t("index.notFindChatModel"));
return;
}
if (userMessage.value) {
// Add the message to the list
if (isPadding.value === true) return;
const saveMessage = {
content: userMessage.value,
chatId: chatStore.activeId,
role: "user",
id: Date.now(),
createdAt: Date.now(),
};
chatStore.messageList.push(saveMessage);
await chatStore.addMessages(chatStore.activeId, saveMessage);
// Clear the input
userMessage.value = "";
// Create a completion
isPadding.value = true;
await createCompletion();
}
};
const createCompletion = async () => {
try {
const config = getSystemConfig()
const messageId = Date.now();
const saveMessage: any = {
content: "",
role: "assistant",
chatType: "chat",
chatId: chatStore.activeId,
id: messageId,
createdAt: messageId,
};
const chatConfig = modelStore.chatConfig.chat;
let postMsg: any = {
messages: requestMessages.value,
model: chatStore.chatInfo.model,
stream: false,
options: chatConfig,
};
if (imageData.value != "") {
const img2txtModel = await modelStore.getModel("img2txt");
const usermsg = chatStore.messageList[chatStore.messageList.length - 1];
postMsg = {
model: img2txtModel,
//"prompt":userMessage.value,
stream: false,
//options: chatConfig,
messages: [
{
role: "user",
content: usermsg.content,
images: [imageData.value],
},
],
};
}
const postData: any = {
method: "POST",
body: JSON.stringify(postMsg),
};
const completion = await fetch(config.apiUrl + '/ai/chat', postData);
//const completion:any = await modelStore.getModel(postData)
imageData.value = "";
if (!completion.ok) {
const errorData = await completion.json();
notifyError(errorData.error.message);
isPadding.value = false;
return;
}
const res = await completion.json();
//console.log(res)
if (res && res.choices && res.choices.length > 0) {
if (res.choices[0].message.content) {
const msg = res.choices[0].message.content;
saveMessage.content = msg;
chatStore.messageList.push(saveMessage);
await chatStore.addMessages(chatStore.activeId, saveMessage);
}
}
isPadding.value = false;
} catch (error: any) {
isPadding.value = false;
notifyError(error.message);
}
};
const scrollToBottom = () => {
nextTick(() => {
if (messageContainerRef && messageContainerRef.value) {
messageContainerRef.value!.setScrollTop(
messageInnerRef.value!.clientHeight
);
}
});
};
watch(
() => chatStore.messageList,
() => {
scrollToBottom();
},
{
deep: true,
}
);
const handleKeydown = (e: any) => {
if (e.key === "Enter" && (e.altKey || e.shiftKey)) {
// 当同时按下 alt或者shift 和 enter 时,插入一个换行符
e.preventDefault();
userMessage.value += "\n";
} else if (e.key === "Enter") {
// 当只按下 enter 时,发送消息
e.preventDefault();
sendMessage();
}
};
const selectImage = async () => {
const img2txtModel = await modelStore.getModel("img2txt");
if (!img2txtModel) {
notifyError(t("chat.notEyeModel"));
return;
}
imageInput.value.click();
};
const uploadImage = async (event: any) => {
const file = event.target.files[0];
if (!file) {
return;
}
const reader = new FileReader();
reader.onload = (e: any) => {
imageData.value = e.target.result.split(",")[1];
};
reader.readAsDataURL(file);
};
</script>
<template>
<div class="chat-bot">
<div class="top-menu">
<el-icon size="15" @click.stop="chatStore.showBox(true)" class="top-menu-button">
<Tools />
</el-icon>
<el-icon size="15" @click.stop="chatStore.clearChatHistory" class="top-menu-button">
<DeleteFilled />
</el-icon>
</div>
<div class="messsage-area">
<el-scrollbar v-if="chatStore.messageList.length > 0" class="message-container" ref="messageContainerRef">
<div ref="messageInnerRef">
<ai-chat-message v-for="message in chatStore.messageList" :key="message.messageId" :content="message.content"
:link="message.link" :role="message.role" :createdAt="message.createdAt" />
</div>
</el-scrollbar>
<div class="no-message-container" v-else>
<Vue3Lottie animationLink="/bot/chat.json" :height="420" :width="420" />
</div>
</div>
<div class="input-area">
<div class="input-panel">
<el-row :gutter="24" style="border-bottom: none;">
<el-col :span="2">
<el-button @click="selectImage" size="large" icon="Paperclip" circle />
<input type="file" ref="imageInput" accept="image/*" style="display: none" @change="uploadImage" />
</el-col>
<el-col :span="19">
<el-input v-model="userMessage" :placeholder="t('aichat.askme')" size="large" clearable
@keydown="handleKeydown" autofocus class="ai-input-area"/>
</el-col>
<el-col :span="2">
<el-button v-if="!isPadding" @click="sendMessage" icon="Promotion" type="info" size="large" circle />
<el-button type="primary" size="large" v-else loading-icon="Eleme" icon="Loading" loading circle />
</el-col>
</el-row>
</div>
</div>
</div>
</template>
<style scoped lang="scss">
@import "@/assets/chat.scss";
</style>