feat: 添加角色设定预留API 设定页(#768)

* add systemMessage

* perf: 优化代码和类型

* perf: 补全翻译和为以后做准备

---------

Co-authored-by: ChenZhaoYu <790348264@qq.com>

src/store/modules/index.ts

@@ -2,4 +2,5 @@ export * from './app'
 export * from './chat'
 export * from './user'
 export * from './prompt'
+export * from './settings'
 export * from './auth'

src/store/modules/settings/helper.ts

@@ -0,0 +1,23 @@
+import { ss } from '@/utils/storage'
+
+const LOCAL_NAME = 'settingsStorage'
+
+export interface SettingsState {
+  systemMessage: string
+}
+
+export function defaultSetting(): SettingsState {
+  const currentDate = new Date().toISOString().split('T')[0]
+  return {
+    systemMessage: `You are ChatGPT, a large language model trained by OpenAI. Answer as concisely as possible.\nKnowledge cutoff: 2021-09-01\nCurrent date: ${currentDate}`,
+  }
+}
+
+export function getLocalState(): SettingsState {
+  const localSetting: SettingsState | undefined = ss.get(LOCAL_NAME)
+  return { ...defaultSetting(), ...localSetting }
+}
+
+export function setLocalState(setting: SettingsState): void {
+  ss.set(LOCAL_NAME, setting)
+}

src/store/modules/settings/index.ts

@@ -0,0 +1,22 @@
+import { defineStore } from 'pinia'
+import type { SettingsState } from './helper'
+import { defaultSetting, getLocalState, setLocalState } from './helper'
+
+export const useSettingStore = defineStore('setting-store', {
+  state: (): SettingsState => getLocalState(),
+  actions: {
+    updateSetting(settings: Partial<SettingsState>) {
+      this.$state = { ...this.$state, ...settings }
+      this.recordState()
+    },
+
+    resetSetting() {
+      this.$state = defaultSetting()
+      this.recordState()
+    },
+
+    recordState() {
+      setLocalState(this.$state)
+    },
+  },
+})