mirror of
https://gitee.com/blackfox/geekai.git
synced 2024-12-05 21:58:23 +08:00
87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
package utils
|
||
|
||
import (
|
||
"chatplus/core/types"
|
||
"chatplus/store/model"
|
||
"fmt"
|
||
"github.com/imroc/req/v3"
|
||
"github.com/pkoukk/tiktoken-go"
|
||
"gorm.io/gorm"
|
||
"time"
|
||
)
|
||
|
||
func CalcTokens(text string, model string) (int, error) {
|
||
encoding, ok := tiktoken.MODEL_TO_ENCODING[model]
|
||
if !ok {
|
||
encoding = "cl100k_base"
|
||
}
|
||
tke, err := tiktoken.GetEncoding(encoding)
|
||
if err != nil {
|
||
return 0, fmt.Errorf("getEncoding: %v", err)
|
||
}
|
||
|
||
token := tke.Encode(text, nil, nil)
|
||
return len(token), nil
|
||
}
|
||
|
||
type apiRes struct {
|
||
Model string `json:"model"`
|
||
Choices []struct {
|
||
Index int `json:"index"`
|
||
Message struct {
|
||
Role string `json:"role"`
|
||
Content string `json:"content"`
|
||
} `json:"message"`
|
||
FinishReason string `json:"finish_reason"`
|
||
} `json:"choices"`
|
||
}
|
||
|
||
type apiErrRes struct {
|
||
Error struct {
|
||
Code interface{} `json:"code"`
|
||
Message string `json:"message"`
|
||
Param interface{} `json:"param"`
|
||
Type string `json:"type"`
|
||
} `json:"error"`
|
||
}
|
||
|
||
func OpenAIRequest(db *gorm.DB, prompt string) (string, error) {
|
||
var apiKey model.ApiKey
|
||
res := db.Where("platform = ?", types.OpenAI).Where("type = ?", "chat").Where("enabled = ?", true).First(&apiKey)
|
||
if res.Error != nil {
|
||
return "", fmt.Errorf("error with fetch OpenAI API KEY:%v", res.Error)
|
||
}
|
||
|
||
messages := make([]interface{}, 1)
|
||
messages[0] = types.Message{
|
||
Role: "user",
|
||
Content: prompt,
|
||
}
|
||
|
||
var response apiRes
|
||
var errRes apiErrRes
|
||
client := req.C()
|
||
if len(apiKey.ProxyURL) > 5 {
|
||
client.SetProxyURL(apiKey.ApiURL)
|
||
}
|
||
r, err := client.R().SetHeader("Content-Type", "application/json").
|
||
SetHeader("Authorization", "Bearer "+apiKey.Value).
|
||
SetBody(types.ApiRequest{
|
||
Model: "gpt-3.5-turbo-0125",
|
||
Temperature: 0.9,
|
||
MaxTokens: 1024,
|
||
Stream: false,
|
||
Messages: messages,
|
||
}).
|
||
SetErrorResult(&errRes).
|
||
SetSuccessResult(&response).Post(apiKey.ApiURL)
|
||
if err != nil || r.IsErrorState() {
|
||
return "", fmt.Errorf("error with http request: %v%v%s", err, r.Err, errRes.Error.Message)
|
||
}
|
||
|
||
// 更新 API KEY 的最后使用时间
|
||
db.Model(&apiKey).UpdateColumn("last_used_at", time.Now().Unix())
|
||
|
||
return response.Choices[0].Message.Content, nil
|
||
}
|