Support configuring model parameters in the front-end and storing them in localStorage.

components/ModelParameters.vue

@@ -0,0 +1,191 @@
+<script setup>
+const dialog = ref(false)
+const currentModel = useCurrentModel()
+const availableModels = [
+  DEFAULT_MODEL.name
+]
+
+watch(currentModel, (newVal, oldVal) => {
+  saveCurrentModel(newVal)
+}, { deep: true })
+
+</script>
+
+<template>
+  <v-dialog
+      v-model="dialog"
+      persistent
+  >
+    <template v-slot:activator="{ props }">
+      <v-list-item
+          v-bind="props"
+          rounded="xl"
+          prepend-icon="tune"
+          :title="$t('modelParameters')"
+      ></v-list-item>
+    </template>
+    <v-card>
+      <v-toolbar
+          density="compact"
+      >
+        <v-toolbar-title>{{ $t('modelParameters') }}</v-toolbar-title>
+
+        <v-spacer></v-spacer>
+
+        <v-btn icon="close" @click="dialog = false"></v-btn>
+      </v-toolbar>
+      <v-card-text>
+        <v-select
+            v-model="currentModel.name"
+            :label="$t('model')"
+            :items="availableModels"
+            variant="underlined"
+        ></v-select>
+
+        <v-row
+            no-gutters
+        >
+          <v-col cols="12">
+            <div class="d-flex justify-space-between align-center">
+              <v-list-subheader>{{ $t('temperature') }}</v-list-subheader>
+              <v-text-field
+                  v-model="currentModel.temperature"
+                  hide-details
+                  single-line
+                  density="compact"
+                  type="number"
+                  max="1"
+                  step="0.01"
+                  style="width: 100px"
+                  class="flex-grow-0"
+              ></v-text-field>
+            </div>
+          </v-col>
+          <v-col cols="12">
+            <v-slider
+                v-model="currentModel.temperature"
+                :max="1"
+                :step="0.01"
+                hide-details
+            >
+            </v-slider>
+          </v-col>
+        </v-row>
+        <v-row
+            no-gutters
+        >
+          <v-col cols="12">
+            <div class="d-flex justify-space-between align-center">
+              <v-list-subheader>{{ $t('maxTokens') }}</v-list-subheader>
+              <v-text-field
+                  v-model="currentModel.max_tokens"
+                  hide-details
+                  single-line
+                  density="compact"
+                  type="number"
+                  max="2048"
+                  step="1"
+                  style="width: 100px"
+                  class="flex-grow-0"
+              ></v-text-field>
+            </div>
+          </v-col>
+          <v-col cols="12">
+            <v-slider
+                v-model="currentModel.max_tokens"
+                :max="2048"
+                :step="1"
+                hide-details
+            >
+            </v-slider>
+          </v-col>
+        </v-row>
+        <v-row
+            no-gutters
+        >
+          <v-col cols="12">
+            <div class="d-flex justify-space-between align-center">
+              <v-list-subheader>{{ $t('topP') }}</v-list-subheader>
+              <v-text-field
+                  v-model="currentModel.top_p"
+                  hide-details
+                  single-line
+                  density="compact"
+                  type="number"
+                  max="1"
+                  step="0.01"
+                  style="width: 100px"
+                  class="flex-grow-0"
+              ></v-text-field>
+            </div>
+          </v-col>
+          <v-col cols="12">
+            <v-slider
+                v-model="currentModel.top_p"
+                :max="1"
+                :step="0.01"
+                hide-details
+            >
+            </v-slider>
+          </v-col>
+        </v-row>
+        <v-row no-gutters>
+          <v-col cols="12">
+            <div class="d-flex justify-space-between align-center">
+              <v-list-subheader>{{ $t('frequencyPenalty') }}</v-list-subheader>
+              <v-text-field
+                  v-model="currentModel.frequency_penalty"
+                  hide-details
+                  single-line
+                  density="compact"
+                  type="number"
+                  max="2"
+                  step="0.01"
+                  style="width: 100px"
+                  class="flex-grow-0"
+              ></v-text-field>
+            </div>
+          </v-col>
+          <v-col cols="12">
+            <v-slider
+                v-model="currentModel.frequency_penalty"
+                :max="2"
+                :step="0.01"
+                hide-details
+            ></v-slider>
+          </v-col>
+        </v-row>
+        <v-row no-gutters>
+          <v-col cols="12">
+            <div class="d-flex justify-space-between align-center">
+              <v-list-subheader>{{ $t('presencePenalty') }}</v-list-subheader>
+              <v-text-field
+                  v-model="currentModel.presence_penalty"
+                  hide-details
+                  single-line
+                  density="compact"
+                  type="number"
+                  max="2"
+                  step="0.01"
+                  style="width: 100px"
+                  class="flex-grow-0"
+              ></v-text-field>
+            </div>
+          </v-col>
+          <v-col cols="12">
+            <v-slider
+                v-model="currentModel.presence_penalty"
+                :max="2"
+                :step="0.01"
+                hide-details
+            ></v-slider>
+          </v-col>
+        </v-row>
+      </v-card-text>
+    </v-card>
+  </v-dialog>
+</template>
+
+<style scoped>
+
+</style>

lang/en-US.json

@@ -18,6 +18,13 @@
   "feedback": "Feedback",
   "newConversation": "New conversation",
   "clearConversations": "Clear conversations",
+  "modelParameters": "Model Parameters",
+  "model": "Model",
+  "temperature": "Temperature",
+  "topP": "Top P",
+  "frequencyPenalty": "Frequency Penalty",
+  "presencePenalty": "Presence Penalty",
+  "maxTokens": "Max Tokens",
   "roles": {
     "me": "Me",
     "ai": "AI"

lang/zh-CN.json

@@ -18,6 +18,13 @@
   "feedback": "反馈",
   "newConversation": "新的对话",
   "clearConversations": "清除对话",
+  "modelParameters": "模型参数",
+  "model": "模型",
+  "temperature": "Temperature",
+  "topP": "Top P",
+  "frequencyPenalty": "Frequency Penalty",
+  "presencePenalty": "Presence Penalty",
+  "maxTokens": "Max Tokens",
   "roles": {
     "me": "我",
     "ai": "AI"

layouts/default.vue

@@ -228,6 +228,8 @@ onNuxtReady(async () => {
               </v-card>
             </v-dialog>
 
+            <ModelParameters/>
+
             <v-menu
             >
               <template v-slot:activator="{ props }">

pages/index.vue

@@ -51,6 +51,14 @@ const abortFetch = () => {
 }
 const fetchReply = async (message, parentMessageId) => {
   ctrl = new AbortController()
+
+  const data = Object.assign({}, currentModel.value, {
+    openaiApiKey: openaiApiKey.value,
+    message: message,
+    parentMessageId: parentMessageId,
+    conversationId: currentConversation.value.id
+  })
+
   try {
     await fetchEventSource('/api/conversation/', {
       signal: ctrl.signal,
@@ -59,13 +67,7 @@ const fetchReply = async (message, parentMessageId) => {
         'accept': 'application/json',
         'Content-Type': 'application/json',
       },
-      body: JSON.stringify({
-        model: currentModel.value,
-        openaiApiKey: openaiApiKey.value,
-        message: message,
-        parentMessageId: parentMessageId,
-        conversationId: currentConversation.value.id
-      }),
+      body: JSON.stringify(data),
       onopen(response) {
         if (response.ok && response.headers.get('content-type') === EventStreamContentType) {
           return;

utils/enums.js

@@ -1,6 +1,15 @@
 
 export const STORAGE_KEY = {
-    OPENAI_MODELS: 'openai_models',
-    CURRENT_OPENAI_MODEL: 'current_openai_model',
+    MODELS: 'models',
+    CURRENT_MODEL: 'current_model',
     OPENAI_API_KEY: 'openai_api_key',
+}
+
+export const DEFAULT_MODEL = {
+    name: 'gpt-3.5-turbo',
+    frequency_penalty: 0.0,
+    presence_penalty: 0.0,
+    max_tokens: 1000,
+    temperature: 0.7,
+    top_p: 1.0
 }

utils/localStorage.js

@@ -11,32 +11,28 @@ const set = (key, val) => {
     localStorage.setItem(key, JSON.stringify(val))
 }
 
-const DEFAULT_OPENAI_MODEL = 'text-davinci-003'
-
 export const setModels = (val) => {
     const models = useModels()
-    set(STORAGE_KEY.OPENAI_MODELS, val)
+    set(STORAGE_KEY.MODELS, val)
     models.value = val
 }
 
 export const getStoredModels = () => {
-    let models = get(STORAGE_KEY.OPENAI_MODELS)
+    let models = get(STORAGE_KEY.MODELS)
     if (!models) {
-        models = [DEFAULT_OPENAI_MODEL]
+        models = [DEFAULT_MODEL]
     }
     return models
 }
 
-export const setCurrentModel = (val) => {
-    const model = useCurrentModel()
-    set(STORAGE_KEY.CURRENT_OPENAI_MODEL, val)
-    model.value = val
+export const saveCurrentModel = (val) => {
+    set(STORAGE_KEY.CURRENT_MODEL, val)
 }
 
 export const getCurrentModel = () => {
-    let model = get(STORAGE_KEY.CURRENT_OPENAI_MODEL)
+    let model = get(STORAGE_KEY.CURRENT_MODEL)
     if (!model) {
-        model = DEFAULT_OPENAI_MODEL
+        model = DEFAULT_MODEL
     }
     return model
 }