feat: support gpt-4 (#22)

Author: josStorer

src/background/apis/chatgpt-web.mjs

@@ -38,7 +38,7 @@ export async function sendModerations(token, question, conversationId, messageId
 
 export async function getModels(token) {
   const response = JSON.parse((await request(token, 'GET', '/models')).responseText)
-  return response.models
+  if (response.models) return response.models.map((m) => m.slug)
 }
 
 /**
@@ -71,7 +71,12 @@ export async function generateAnswersWithChatgptWebApi(port, question, session,
   const models = await getModels(accessToken).catch(() => {
     port.onMessage.removeListener(stopListener)
   })
+  console.debug('models', models)
   const config = await getUserConfig()
+  const selectedModel = Models[config.modelName].value
+  const usedModel =
+    models && models.includes(selectedModel) ? selectedModel : Models[chatgptWebModelKeys[0]].value
+  console.debug('usedModel', usedModel)
 
   let answer = ''
   await fetchSSE(`${config.customChatGptWebApiUrl}${config.customChatGptWebApiPath}`, {
@@ -94,7 +99,7 @@ export async function generateAnswersWithChatgptWebApi(port, question, session,
           },
         },
       ],
-      model: models ? models[0].slug : Models[chatgptWebModelKeys[0]].value,
+      model: usedModel,
       parent_message_id: session.parentMessageId,
     }),
     onMessage(message) {

src/config.mjs

@@ -14,13 +14,16 @@ import { languages } from 'countries-list'
  */
 export const Models = {
   chatgptFree: { value: 'text-davinci-002-render-sha', desc: 'ChatGPT (Web)' },
-  chatgptApi: { value: 'gpt-3.5-turbo', desc: 'ChatGPT (GPT-3.5)' },
-  gptDavinci: { value: 'text-davinci-003', desc: 'GPT3' },
+  chatgptPlus: { value: 'gpt-4', desc: 'ChatGPT (Web, GPT-4)' },
+  chatgptApi35: { value: 'gpt-3.5-turbo', desc: 'ChatGPT (GPT-3.5-turbo)' },
+  chatgptApi4_8k: { value: 'gpt-4', desc: 'ChatGPT (GPT-4-8k)' },
+  chatgptApi4_32k: { value: 'gpt-4-32k', desc: 'ChatGPT (GPT-4-32k)' },
+  gptApiDavinci: { value: 'text-davinci-003', desc: 'GPT-3.5' },
 }
 
-export const chatgptWebModelKeys = ['chatgptFree']
+export const chatgptWebModelKeys = ['chatgptFree', 'chatgptPlus']
 export const gptApiModelKeys = ['gptDavinci']
-export const chatgptApiModelKeys = ['chatgptApi']
+export const chatgptApiModelKeys = ['chatgptApi35', 'chatgptApi4_8k', 'chatgptApi4_32k']
 
 export const TriggerMode = {
   always: 'Always',