update demo

feat: i18n

app.vue

@@ -1,123 +1,32 @@
 <script setup>
-import { fetchEventSource } from '@microsoft/fetch-event-source'
-
+const { $i18n } = useNuxtApp()
 const runtimeConfig = useRuntimeConfig()
-const currentModel = useCurrentModel()
-const openaiApiKey = useApiKey()
-const fetchingResponse = ref(false)
-const fetchReply = async (message, parentMessageId) => {
-  const ctrl = new AbortController()
-  try {
-    await fetchEventSource('/api/conversation', {
-      signal: ctrl.signal,
-      method: 'POST',
-      headers: {
-        'Content-Type': 'application/json'
-      },
-      body: JSON.stringify({
-        model: currentModel.value,
-        openaiApiKey: openaiApiKey.value,
-        message: message,
-        parentMessageId: parentMessageId,
-        conversationId: currentConversation.value.id
-      }),
-      onopen(response) {
-        if (response.status === 200) {
-          return;
-        }
-        throw new Error(`Failed to send message. HTTP ${response.status} - ${response.statusText}`);
-      },
-      onclose() {
-        throw new Error(`Failed to send message. Server closed the connection unexpectedly.`);
-      },
-      onerror(err) {
-        throw err;
-      },
-      onmessage(message) {
-        if (message.event === 'error') {
-          throw new Error(JSON.parse(message.data).error);
-        }
-        const { type, data } = JSON.parse(message.data);
-        if (type === 'done') {
-          if (currentConversation.value.id === null) {
-            currentConversation.value.id = data.conversationId
-          }
-          currentConversation.value.messages[currentConversation.value.messages.length - 1].id = data.messageId
-          ctrl.abort();
-          fetchingResponse.value = false
-          return;
-        }
-        if (currentConversation.value.messages[currentConversation.value.messages.length - 1].from === 'ai') {
-          currentConversation.value.messages[currentConversation.value.messages.length - 1].message += data
-        } else {
-          currentConversation.value.messages.push({id: null, from: 'ai', message: data})
-        }
-        scrollChatWindow()
-      },
-    })
-  } catch (err) {
-    ctrl.abort()
-    showSnackbar(err.message)
-    fetchingResponse.value = false
+const colorMode = useColorMode()
+const drawer = ref(null)
+const themes = ref([
+  { title: $i18n.t('lightMode'), value: 'light' },
+  { title: $i18n.t('darkMode'), value: 'dark' },
+  { title: $i18n.t('followSystem'), value: 'system'}
+])
+const setTheme = (theme) => {
+  colorMode.preference = theme
 }
+const feedback = () => {
+  window.open('https://github.com/WongSaang/chatgpt-ui/issues', '_blank')
 }
 
-const theme = ref('light')
-const toggleTheme = () => {
-  theme.value = theme.value === 'light' ? 'dark' : 'light'
+const { locale, locales, setLocale } = useI18n()
+const setLang = (lang) => {
+  setLocale(lang)
 }
-
-const defaultConversation = ref({
-  id: null,
-  messages: []
-})
-const currentConversation = ref({})
-
-const grab = ref(null)
-const scrollChatWindow = () => {
-  grab.value.scrollIntoView({behavior: 'smooth'})
-}
-
-const createNewConversation = () => {
-  currentConversation.value = Object.assign(defaultConversation.value, {
-  })
-}
-const send = (message) => {
-  fetchingResponse.value = true
-  let parentMessageId = null
-  if (currentConversation.value.messages.length > 0) {
-    const lastMessage = currentConversation.value.messages[currentConversation.value.messages.length - 1]
-    if (lastMessage.from === 'ai' && lastMessage.id !== null) {
-      parentMessageId = lastMessage.id
-    }
-  }
-  currentConversation.value.messages.push({from: 'me', parentMessageId: parentMessageId, message: message})
-  fetchReply(message, parentMessageId)
-  scrollChatWindow()
-}
-const stop = () => {
-  ctrl.abort();
-  fetchingResponse.value = false
-}
-
-const snackbar = ref(false)
-const snackbarText = ref('')
-const showSnackbar = (text) => {
-  snackbarText.value = text
-  snackbar.value = true
-}
-
-onNuxtReady(() => {
-  createNewConversation()
-})
 </script>
 
 <template>
   <v-app
-      :theme="theme"
+      :theme="$colorMode.value"
   >
     <v-navigation-drawer
-        permanent
+        v-model="drawer"
     >
       <v-list>
         <ModelDialog/>
@@ -128,68 +37,72 @@ onNuxtReady(() => {
         <v-list>
           <ApiKeyDialog/>
 
+          <v-menu
+          >
+            <template v-slot:activator="{ props }">
+              <v-list-item
+                  v-bind="props"
+                  rounded="xl"
+                  :prepend-icon="$colorMode.value === 'light' ? 'light_mode' : 'dark_mode'"
+                  :title="$t('themeMode')"
+              ></v-list-item>
+            </template>
+            <v-list
+                bg-color="white"
+            >
+              <v-list-item
+                  v-for="(theme, idx) in themes"
+                  :key="idx"
+                  @click="setTheme(theme.value)"
+              >
+                <v-list-item-title>{{ theme.title }}</v-list-item-title>
+              </v-list-item>
+            </v-list>
+          </v-menu>
+
+          <SettingsLanguages/>
+
           <v-list-item
               rounded="xl"
-              :prepend-icon="theme === 'light' ? 'dark_mode' : 'light_mode'"
-              :title="(theme === 'light' ? 'Dark' : 'Light') + ' mode'"
-              @click="toggleTheme"
+              prepend-icon="help_outline"
+              :title="$t('feedback')"
+              @click="feedback"
           ></v-list-item>
         </v-list>
       </template>
     </v-navigation-drawer>
-    <v-main>
-      <div ref="chatWindow">
-        <v-card
-            rounded="0"
-            elevation="0"
-            v-for="(conversation, index) in currentConversation.messages"
-            :key="index"
-            :variant="conversation.from === 'ai' ? 'tonal' : ''"
+
+    <v-app-bar
+        class="d-lg-none"
     >
-          <v-container>
-            <v-card-text class="text-caption text-disabled">{{ conversation.from }}</v-card-text>
-            <v-card-text>
-              <MsgContent :content="conversation.message" />
-            </v-card-text>
-          </v-container>
-          <v-divider></v-divider>
-        </v-card>
-        <div ref="grab" class="w-100" style="height: 150px;"></div>
-      </div>
-      <v-container>
-      </v-container>
-    </v-main>
-    <v-footer app class="d-flex flex-column">
-      <div class="px-16 w-100 d-flex align-center">
+      <v-app-bar-nav-icon @click="drawer = !drawer"></v-app-bar-nav-icon>
+
+      <v-toolbar-title>{{ runtimeConfig.public.appName }}</v-toolbar-title>
+
+      <v-spacer></v-spacer>
+
+      <v-menu
+      >
+        <template v-slot:activator="{ props }">
           <v-btn
-            v-show="fetchingResponse"
-            icon="close"
-            title="stop"
-            class="mr-3"
-            @click="stop"
+              v-bind="props"
+              icon="help_outline"
+              title="Feedback"
           ></v-btn>
-        <MsgEditor :send-message="send" :disabled="fetchingResponse" :loading="fetchingResponse" />
-      </div>
-
-      <div class="px-4 py-2 text-disabled text-caption font-weight-light text-center w-100">
-        {{ new Date().getFullYear() }} — {{ runtimeConfig.public.appName }}
-      </div>
-    </v-footer>
-    <v-snackbar
-        v-model="snackbar"
-        multi-line
-    >
-      {{ snackbarText }}
-
-      <template v-slot:actions>
-        <v-btn
-            color="red"
-            variant="text"
-            @click="snackbar = false"
-        >
-          Close
-        </v-btn>
         </template>
-    </v-snackbar>
+        <v-list
+        >
+          <v-list-item
+              @click="feedback"
+          >
+            <v-list-item-title>{{ $t('feedback') }}</v-list-item-title>
+          </v-list-item>
+        </v-list>
+      </v-menu>
+    </v-app-bar>
+
+    <v-main>
+      <NuxtPage/>
+    </v-main>
   </v-app>
 </template>

components/ApiKeyDialog.vue

@@ -10,17 +10,17 @@
           prepend-icon="vpn_key"
           color="primary"
       >
-        Set OpenAI Api Key
+        {{ $t('setApiKey') }}
       </v-list-item>
     </template>
     <v-card>
       <v-card-title>
-        <span class="text-h5">OpenAI Api Key</span>
+        <span class="text-h5">{{ $t('openAIApiKey') }}</span>
       </v-card-title>
       <v-divider></v-divider>
       <v-card-text>
         <div>
-          Get a key:
+          {{ $t('getAKey') }}:
           <a target="_blank" href="https://platform.openai.com/account/api-keys">https://platform.openai.com/account/api-keys</a>
         </div>
         <div

components/ModelDialog.vue

@@ -17,12 +17,12 @@
     </template>
     <v-card>
       <v-card-title>
-        <span class="text-h5">OpenAI Models</span>
+        <span class="text-h5">{{ $t('openAIModels') }}</span>
       </v-card-title>
       <v-divider></v-divider>
       <v-card-text>
         <div>
-          About the models:
+          {{ $t('aboutTheModels') }}:
           <a target="_blank" href="https://platform.openai.com/docs/models/overview">https://platform.openai.com/docs/models/overview</a>
         </div>
         <div
@@ -77,7 +77,7 @@
             color="primary"
             @click="save"
         >
-          Save & Close
+          {{ $t('saveAndClose') }}
         </v-btn>
       </v-card-actions>
     </v-card>
@@ -85,6 +85,7 @@
 </template>
 
 <script setup>
+const { $i18n } = useNuxtApp()
 const dialog = ref(false)
 const models = useModels()
 const currentModel = useCurrentModel()
@@ -110,7 +111,7 @@ const removeModel = (index) => {
 }
 const save = async () => {
   if (!currentModel.value) {
-    showWarning('Please select at least one model.')
+    showWarning($i18n.t('pleaseSelectAtLeastOneModelDot'))
     return
   }
   setModels(models.value)

components/MsgEditor.vue

@@ -1,21 +1,22 @@
 <template>
   <v-textarea
       v-model="message"
-      clearable
-      label="Message"
-      placeholder="Type your message here"
+      :label="$t('writeAMessage')"
+      :placeholder="$t('writeAMessage') + '...'"
       rows="1"
       :auto-grow="autoGrow"
       :disabled="disabled"
       :loading="loading"
-      hide-details
+      :hint="hint"
+      :hide-details="loading"
       append-inner-icon="send"
-      @keyup.enter="send"
-      @click:append="send"
+      @keyup.enter.exact="enterOnly"
+      @click:appendInner="clickSendBtn"
   ></v-textarea>
 </template>
 
 <script>
+import { isMobile } from 'is-mobile'
 export default {
   name: "MsgEditor",
   props: {
@@ -30,6 +31,11 @@ export default {
       autoGrow: true,
     };
   },
+  computed: {
+    hint() {
+      return isMobile() ? "" : "Press Enter to send your message or Shift+Enter to add a new line";
+    },
+  },
   watch: {
     message(val) {
       const lines = val.split(/\r\n|\r|\n/).length;
@@ -44,10 +50,24 @@ export default {
   },
   methods: {
     send() {
-      const msg = this.message
+      let msg = this.message
+      // remove the last "\n"
+      if (msg[msg.length - 1] === "\n") {
+        msg = msg.slice(0, -1)
+      }
+      if (msg.length > 0) {
+        this.sendMessage(msg)
+      }
       this.message = ""
-      this.sendMessage(msg);
     },
+    clickSendBtn () {
+      this.send()
+    },
+    enterOnly () {
+      if (!isMobile()) {
+        this.send()
+      }
+    }
   },
 }
 </script>

components/Welcome.vue

@@ -0,0 +1,84 @@
+<template>
+  <v-container>
+    <v-row>
+      <v-col cols="12">
+        <div class="text-center">
+          <h2 class="text-h2">{{ $t('welcomeTo') }} <span class="text-primary">{{ runtimeConfig.public.appName }}</span></h2>
+          <p class="text-caption mt-5">
+            {{ runtimeConfig.public.appName }} {{ $t('welcomeScreen.introduction1') }}
+            <br>
+            {{ $t('welcomeScreen.introduction2') }}
+          </p>
+        </div>
+      </v-col>
+    </v-row>
+    <v-row>
+      <v-col cols="12" md="10" offset-md="1">
+        <v-row>
+          <v-col
+              cols="12"
+              md="4"
+          >
+            <v-row>
+              <v-col>
+                <div class="d-flex flex-column align-center">
+                  <v-icon icon="sunny"></v-icon>
+                  <h3 class="text-h6">{{ $t('welcomeScreen.examples.title') }}</h3>
+                </div>
+              </v-col>
+            </v-row>
+            <WelcomeCard v-for="example in examples" :content="example" />
+          </v-col>
+          <v-col
+              cols="12"
+              md="4"
+          >
+            <v-row>
+              <v-col>
+                <div class="d-flex flex-column align-center">
+                  <v-icon icon="bolt"></v-icon>
+                  <h3 class="text-h6">{{ $t('welcomeScreen.capabilities.title') }}</h3>
+                </div>
+              </v-col>
+            </v-row>
+            <WelcomeCard v-for="capabilitie in capabilities" :content="capabilitie" />
+          </v-col>
+          <v-col
+              cols="12"
+              md="4"
+          >
+            <v-row>
+              <v-col>
+                <div class="d-flex flex-column align-center">
+                  <v-icon icon="warning_amber"></v-icon>
+                  <h3 class="text-h6">{{ $t('welcomeScreen.limitations.title') }}</h3>
+                </div>
+              </v-col>
+            </v-row>
+            <WelcomeCard v-for="limitation in limitations" :content="limitation" />
+          </v-col>
+        </v-row>
+      </v-col>
+    </v-row>
+  </v-container>
+</template>
+
+<script setup>
+const runtimeConfig = useRuntimeConfig()
+const { $i18n } = useNuxtApp()
+const examples = ref([
+  $i18n.t('welcomeScreen.examples.item1'),
+  $i18n.t('welcomeScreen.examples.item2'),
+  $i18n.t('welcomeScreen.examples.item3')
+])
+const capabilities = ref([
+  $i18n.t('welcomeScreen.capabilities.item1'),
+  $i18n.t('welcomeScreen.capabilities.item2'),
+  $i18n.t('welcomeScreen.capabilities.item3')
+])
+const limitations = ref([
+  $i18n.t('welcomeScreen.limitations.item1'),
+  $i18n.t('welcomeScreen.limitations.item2'),
+  $i18n.t('welcomeScreen.limitations.item3')
+])
+</script>

components/WelcomeCard.vue

@@ -0,0 +1,24 @@
+<template>
+  <v-row>
+    <v-col>
+      <v-hover
+          v-slot="{ isHovering, props }"
+          open-delay="100"
+      >
+        <v-card
+            :elevation="isHovering ? 3 : 0"
+            v-bind="props"
+            variant="tonal"
+        >
+          <v-card-text class="text-center">
+            {{ content }}
+          </v-card-text>
+        </v-card>
+      </v-hover>
+    </v-col>
+  </v-row>
+</template>
+
+<script setup>
+const props = defineProps(['content'])
+</script>

components/settings/Languages.vue

@@ -0,0 +1,86 @@
+<template>
+  <v-dialog
+      v-model="dialog"
+      fullscreen
+      :scrim="false"
+      transition="dialog-bottom-transition"
+  >
+    <template v-slot:activator="{ props }">
+      <v-list-item
+          v-bind="props"
+          rounded="xl"
+          prepend-icon="language"
+          :title="$t('language')"
+      ></v-list-item>
+    </template>
+    <v-card>
+      <v-toolbar
+          dark
+          color="primary"
+      >
+        <v-btn
+            icon
+            dark
+            @click="dialog = false"
+        >
+          <v-icon>close</v-icon>
+        </v-btn>
+        <v-toolbar-title>{{ $t('language') }}</v-toolbar-title>
+        <v-spacer></v-spacer>
+        <!--          <v-toolbar-items>-->
+        <!--            <v-btn-->
+        <!--                variant="text"-->
+        <!--                @click="dialog = false"-->
+        <!--            >-->
+        <!--              Save-->
+        <!--            </v-btn>-->
+        <!--          </v-toolbar-items>-->
+      </v-toolbar>
+      <v-list
+      >
+        <!--          <v-list-item-->
+        <!--              title="Use device language"-->
+        <!--              :append-icon="usingDeviceLanguage() ? 'radio_button_checked' : 'radio_button_unchecked'"-->
+        <!--              @click="useDeviceLanguage"-->
+        <!--          >-->
+        <!--          </v-list-item>-->
+        <v-list-item
+            v-for="l in locales"
+            :key="l.code"
+            :title="l.name"
+            :append-icon="radioIcon(l.code)"
+            @click="updateLocale(l.code)"
+        >
+        </v-list-item>
+      </v-list>
+    </v-card>
+  </v-dialog>
+</template>
+
+<script setup>
+const dialog = ref(false)
+const { locale, locales, setLocale } = useI18n()
+const { $i18n } = useNuxtApp()
+
+// const usingDeviceLanguage = () => {
+//   return ($i18n.getLocaleCookie() === undefined || $i18n.getLocaleCookie() === 'undefined')
+// }
+
+const updateLocale = (lang) => {
+  setLocale(lang)
+}
+
+const radioIcon = (code) => {
+  return code === locale.value ? 'radio_button_checked' : 'radio_button_unchecked'
+}
+
+// const useDeviceLanguage = () => {
+//   setLocale($i18n.getBrowserLocale())
+//   $i18n.setLocaleCookie(undefined)
+// }
+
+</script>
+
+<style scoped>
+
+</style>

lang/en-US.json

@@ -0,0 +1,45 @@
+{
+  "welcomeTo": "Welcome to",
+  "language": "Language",
+  "setApiKey": "Set API Key",
+  "setOpenAIApiKey": "Set OpenAI API Key",
+  "openAIApiKey": "OpenAI API Key",
+  "getAKey": "Get a key",
+  "openAIModels": "OpenAI Models",
+  "aboutTheModels": "About the models",
+  "saveAndClose": "Save & Close",
+  "pleaseSelectAtLeastOneModelDot": "Please select at least one model.",
+  "writeAMessage": "Write a message",
+  "pressEnterToSendYourMessageOrShiftEnterToAddANewLine": "Press Enter to send your message or Shift+Enter to add a new line",
+  "lightMode": "Light Mode",
+  "darkMode": "Dark Mode",
+  "followSystem": "Follow system",
+  "themeMode": "Theme Mode",
+  "feedback": "Feedback",
+  "roles": {
+    "me": "Me",
+    "ai": "AI"
+  },
+  "welcomeScreen": {
+    "introduction1": "is an unofficial client for ChatGPT, but uses the official OpenAI API.",
+    "introduction2": "You will need an OpenAI API Key before you can use this client.",
+    "examples": {
+      "title": "Examples",
+      "item1": "\"Explain quantum computing in simple terms\"",
+      "item2": "\"Got any creative ideas for a 10 year old’s birthday?\"",
+      "item3": "\"How do I make an HTTP request in Javascript?\""
+    },
+    "capabilities": {
+      "title": "Capabilities",
+      "item1": "Remembers what user said earlier in the conversation",
+      "item2": "Allows user to provide follow-up corrections",
+      "item3": "Trained to decline inappropriate requests"
+    },
+    "limitations": {
+      "title": "Limitations",
+      "item1": "May occasionally generate incorrect information",
+      "item2": "May occasionally produce harmful instructions or biased content",
+      "item3": "Limited knowledge of world and events after 2021"
+    }
+  }
+}

lang/zh-CN.json

@@ -0,0 +1,45 @@
+{
+  "welcomeTo": "欢迎来到",
+  "language": "语言",
+  "setApiKey": "设置API密钥",
+  "setOpenAIApiKey": "设置OpenAI的API密钥",
+  "openAIApiKey": "OpenAI的API密钥",
+  "getAKey": "获取钥匙",
+  "openAIModels": "OpenAI模型",
+  "aboutTheModels": "关于模型",
+  "saveAndClose": "保存并关闭",
+  "pleaseSelectAtLeastOneModelDot": "请至少选择一个模型",
+  "writeAMessage": "输入信息",
+  "pressEnterToSendYourMessageOrShiftEnterToAddANewLine": "按回车键发送您的信息，或按Shift+Enter键添加新行",
+  "lightMode": "明亮模式",
+  "darkMode": "暗色模式",
+  "followSystem": "跟随系统",
+  "themeMode": "主题模式",
+  "feedback": "反馈",
+  "roles": {
+    "me": "我",
+    "ai": "AI"
+  },
+  "welcomeScreen": {
+    "introduction1": "是一个非官方的ChatGPT客户端，但使用OpenAI的官方API",
+    "introduction2": "在使用本客户端之前，您需要一个OpenAI API密钥。",
+    "examples": {
+      "title": "例子",
+      "item1": "\"用简单的语言解释量子计算\"",
+      "item2": "\"为10岁的孩子过生日，有什么创造性的想法吗？\"",
+      "item3": "\"我如何在Javascript中进行HTTP请求？\""
+    },
+    "capabilities": {
+      "title": "能力",
+      "item1": "记得用户在谈话中早先说过的话",
+      "item2": "允许用户提供后续更正",
+      "item3": "经过培训，可以拒绝不适当的请求"
+    },
+    "limitations": {
+      "title": "局限",
+      "item1": "偶尔可能会产生不正确的信息",
+      "item2": "可能偶尔会产生有害的指示或有偏见的内容",
+      "item3": "对2021年以后的世界和事件了解有限"
+    }
+  }
+}

nuxt.config.ts

@@ -21,5 +21,32 @@ export default defineNuxtConfig({
         'vuetify/styles',
         'material-design-icons-iconfont/dist/material-design-icons.css',
         'highlight.js/styles/panda-syntax-dark.css',
-    ]
+    ],
+    modules: [
+        '@nuxtjs/color-mode',
+        '@nuxtjs/i18n'
+    ],
+    i18n: {
+        strategy: 'no_prefix',
+        locales: [
+            {
+                code: 'en',
+                iso: 'en-US',
+                name: 'English',
+                file: 'en-US.json',
+            },
+            {
+                code: 'zh-CN',
+                iso: 'zh-CN',
+                name: '简体中文',
+                file: 'zh-CN.json',
+            }
+        ],
+        lazy: true,
+        langDir: 'lang',
+        defaultLocale: 'en',
+        vueI18n: {
+            fallbackLocale: 'en',
+        },
+    }
 })

package.json

@@ -8,15 +8,19 @@
     "postinstall": "nuxt prepare"
   },
   "devDependencies": {
+    "@nuxtjs/color-mode": "^3.2.0",
+    "@nuxtjs/i18n": "^8.0.0-beta.9",
     "material-design-icons-iconfont": "^6.7.0",
-    "nuxt": "^3.1.2"
+    "nuxt": "^3.2.0"
   },
   "dependencies": {
-    "@keyv/sqlite": "^3.6.4",
     "@microsoft/fetch-event-source": "^2.0.1",
     "@waylaidwanderer/chatgpt-api": "^1.12.2",
     "highlight.js": "^11.7.0",
+    "is-mobile": "^3.1.1",
     "marked": "^4.2.12",
+    "nanoid": "^4.0.1",
     "vuetify": "^3.0.6"
-  }
+  },
+  "license": "MIT"
 }

pages/index.vue

@@ -0,0 +1,182 @@
+<script setup>
+import {EventStreamContentType, fetchEventSource} from '@microsoft/fetch-event-source'
+
+const { $i18n } = useNuxtApp()
+const runtimeConfig = useRuntimeConfig()
+const currentModel = useCurrentModel()
+const openaiApiKey = useApiKey()
+const fetchingResponse = ref(false)
+
+let ctrl
+const abortFetch = () => {
+  if (ctrl) {
+    ctrl.abort()
+  }
+  fetchingResponse.value = false
+}
+const fetchReply = async (message, parentMessageId) => {
+  ctrl = new AbortController()
+  try {
+    await fetchEventSource('/api/conversation', {
+      signal: ctrl.signal,
+      method: 'POST',
+      headers: {
+        'Content-Type': 'application/json'
+      },
+      body: JSON.stringify({
+        model: currentModel.value,
+        openaiApiKey: openaiApiKey.value,
+        message: message,
+        parentMessageId: parentMessageId,
+        conversationId: currentConversation.value.id
+      }),
+      onopen(response) {
+        if (response.ok && response.headers.get('content-type') === EventStreamContentType) {
+          return;
+        }
+        throw new Error(`Failed to send message. HTTP ${response.status} - ${response.statusText}`);
+      },
+      onclose() {
+        if (ctrl.signal.aborted === true) {
+          return;
+        }
+        throw new Error(`Failed to send message. Server closed the connection unexpectedly.`);
+      },
+      onerror(err) {
+        throw err;
+      },
+      onmessage(message) {
+        const event = message.event
+        const data = JSON.parse(message.data)
+
+        if (event === 'error') {
+          throw new Error(data.error);
+        }
+
+        if (event === 'done') {
+          if (currentConversation.value.id === null) {
+            currentConversation.value.id = data.conversationId
+          }
+          currentConversation.value.messages[currentConversation.value.messages.length - 1].id = data.messageId
+          abortFetch()
+          return;
+        }
+
+        if (currentConversation.value.messages[currentConversation.value.messages.length - 1].from === 'ai') {
+          currentConversation.value.messages[currentConversation.value.messages.length - 1].message += data.content
+        } else {
+          currentConversation.value.messages.push({id: null, from: 'ai', message: data.content})
+        }
+
+        scrollChatWindow()
+      },
+    })
+  } catch (err) {
+    console.log(err)
+    abortFetch()
+    showSnackbar(err.message)
+  }
+}
+
+const defaultConversation = ref({
+  id: null,
+  messages: []
+})
+const currentConversation = ref({})
+
+const grab = ref(null)
+const scrollChatWindow = () => {
+  if (grab.value === null) {
+    return;
+  }
+  grab.value.scrollIntoView({behavior: 'smooth'})
+}
+
+const createNewConversation = () => {
+  currentConversation.value = Object.assign(defaultConversation.value, {
+  })
+}
+const send = (message) => {
+  fetchingResponse.value = true
+  let parentMessageId = null
+  if (currentConversation.value.messages.length > 0) {
+    const lastMessage = currentConversation.value.messages[currentConversation.value.messages.length - 1]
+    if (lastMessage.from === 'ai' && lastMessage.id !== null) {
+      parentMessageId = lastMessage.id
+    }
+  }
+  currentConversation.value.messages.push({from: 'me', parentMessageId: parentMessageId, message: message})
+  fetchReply(message, parentMessageId)
+  scrollChatWindow()
+}
+const stop = () => {
+  abortFetch()
+}
+
+const snackbar = ref(false)
+const snackbarText = ref('')
+const showSnackbar = (text) => {
+  snackbarText.value = text
+  snackbar.value = true
+}
+
+createNewConversation()
+</script>
+
+<template>
+  <div
+      v-if="currentConversation.messages.length > 0"
+      ref="chatWindow"
+  >
+    <v-card
+        rounded="0"
+        elevation="0"
+        v-for="(conversation, index) in currentConversation.messages"
+        :key="index"
+        :variant="conversation.from === 'ai' ? 'tonal' : 'text'"
+    >
+      <v-container>
+        <v-card-text class="text-caption text-disabled">{{ $t(`roles.${conversation.from}`) }}</v-card-text>
+        <v-card-text>
+          <MsgContent :content="conversation.message" />
+        </v-card-text>
+      </v-container>
+      <v-divider></v-divider>
+    </v-card>
+    <div ref="grab" class="w-100" style="height: 200px;"></div>
+  </div>
+  <Welcome v-else />
+  <v-footer app class="d-flex flex-column">
+    <div class="px-md-16 w-100 d-flex align-center">
+      <v-btn
+          v-show="fetchingResponse"
+          icon="close"
+          title="stop"
+          class="mr-3"
+          @click="stop"
+      ></v-btn>
+      <MsgEditor :send-message="send" :disabled="fetchingResponse" :loading="fetchingResponse" />
+    </div>
+
+    <div class="px-4 py-2 text-disabled text-caption font-weight-light text-center w-100">
+      © {{ new Date().getFullYear() }} {{ runtimeConfig.public.appName }}
+    </div>
+  </v-footer>
+  <v-snackbar
+      v-model="snackbar"
+      multi-line
+      location="top"
+  >
+    {{ snackbarText }}
+
+    <template v-slot:actions>
+      <v-btn
+          color="red"
+          variant="text"
+          @click="snackbar = false"
+      >
+        Close
+      </v-btn>
+    </template>
+  </v-snackbar>
+</template>

server/api/conversation.post.js

@@ -1,25 +1,13 @@
 import ChatGPTClient from '@waylaidwanderer/chatgpt-api'
 import { PassThrough } from 'node:stream'
+import { nanoid } from 'nanoid'
 
-const serializeSSEEvent = (chunk) => {
-    let payload = "";
-    if (chunk.id) {
-        payload += `id: ${chunk.id}\n`;
-    }
-    if (chunk.event) {
-        payload += `event: ${chunk.event}\n`;
-    }
-    if (chunk.data) {
-        payload += `data: ${chunk.data}\n`;
-    }
-    if (chunk.retry) {
-        payload += `retry: ${chunk.retry}\n`;
-    }
-    if (!payload) {
-        return "";
-    }
-    payload += "\n";
-    return payload;
+const serializeSSEEvent = (event, data) => {
+    const id = nanoid();
+    const eventStr = event ? `event: ${event}\n` : '';
+    const dataStr = data ? `data: ${JSON.stringify(data)}\n` : '';
+
+    return `id: ${id}\n${eventStr}${dataStr}\n`;
 }
 
 export default defineEventHandler(async (event) => {
@@ -27,9 +15,13 @@ export default defineEventHandler(async (event) => {
     const conversationId = body.conversationId ? body.conversationId.toString() : undefined
     const parentMessageId = body.parentMessageId ? body.parentMessageId.toString() : undefined
     const tunnel = new PassThrough()
-    const writeToTunnel = (data) => {
-        tunnel.write(serializeSSEEvent(data))
+    const writeToTunnel = (event, data) => {
+        tunnel.write(serializeSSEEvent(event, data))
     }
+    const endTunnel = () => {
+        tunnel.end()
+    }
+
     setResponseHeaders(event, {
         'Content-Type': 'text/event-stream',
         'Cache-Control': 'no-cache',
@@ -37,13 +29,11 @@ export default defineEventHandler(async (event) => {
     })
 
     if (!body.openaiApiKey) {
-        writeToTunnel({
-            event: 'error',
-            data: JSON.stringify({
+        writeToTunnel('error', {
             code: 503,
             error: 'You haven\'t set the api key of openai',
-            }),
         })
+        endTunnel()
         return sendStream(event, tunnel)
     }
 
@@ -69,7 +59,6 @@ export default defineEventHandler(async (event) => {
         // This is used for storing conversations, and supports additional drivers (conversations are stored in memory by default)
         // For example, to use a JSON file (`npm i keyv-file`) as a database:
         // store: new KeyvFile({ filename: 'cache.json' }),
-        uri: 'sqlite://database.sqlite'
     };
 
     const chatGptClient = new ChatGPTClient(body.openaiApiKey, clientOptions, cacheOptions);
@@ -80,29 +69,19 @@ export default defineEventHandler(async (event) => {
             parentMessageId,
             onProgress: (token) => {
                 // console.log(token)
-                writeToTunnel({ data: JSON.stringify({
-                        type: 'token',
-                        data: token
-                    })
-                })
+                writeToTunnel('message',{content: token})
             }
         });
-        writeToTunnel({ data: JSON.stringify({
-                type: 'done',
-                data: response
-            }) })
-        console.log(response)
+        writeToTunnel('done',response)
+        console.info(response)
     } catch (e) {
         const code = e?.json?.data?.code || 503;
         const message = e?.json?.error?.message || 'There was an error communicating with ChatGPT.';
-        writeToTunnel({
-            event: 'error',
-            data: JSON.stringify({
+        writeToTunnel('error', {
             code,
-                error: message,
-            }),
+            error: message
         })
     }
-
+    tunnel.end()
     return sendStream(event, tunnel)
 })

server/api/settings.js

@@ -1,19 +0,0 @@
-import {getSetting, setSetting} from "~/utils/keyv";
-import {apiError, apiSuccess} from "~/utils/api";
-
-export default defineEventHandler(async (event) => {
-    const runtimeConfig = useRuntimeConfig()
-    const method = getMethod(event)
-    if (method === 'GET') {
-        const query = getQuery(event)
-        let value = await getSetting(query.key)
-        if (!value && query.key === 'modelName') {
-            value = runtimeConfig.openaiModelName
-        }
-        return apiSuccess(value)
-    } else if (method === 'POST') {
-        const body = await readBody(event)
-        await setSetting(body.key, body.value)
-        return apiSuccess()
-    }
-})

utils/keyv.js

@@ -1,18 +0,0 @@
-import Keyv from 'keyv'
-import KeyvSqlite from "@keyv/sqlite";
-
-const sqlite = new KeyvSqlite()
-
-const cacheOptions = {
-    namespace: 'settings',
-    uri: 'sqlite://database.sqlite',
-}
-const cache = new Keyv(cacheOptions);
-
-export const getSetting = async (key) => {
-    return await cache.get(key)
-}
-
-export const setSetting = async (key, value) => {
-    return await cache.set(key, value)
-}