one-api/controller/channel.go
2023-05-19 22:44:06 +05:30

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package controller
import (
"bytes"
"encoding/json"
"errors"
"fmt"
"github.com/gin-gonic/gin"
"net/http"
"one-api/common"
"one-api/model"
"strconv"
"strings"
"sync"
"time"
)
func GetAllChannels(c *gin.Context) {
p, _ := strconv.Atoi(c.Query("p"))
if p < 0 {
p = 0
}
channels, err := model.GetAllChannels(p*common.ItemsPerPage, common.ItemsPerPage, false)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"data": channels,
})
return
}
func SearchChannels(c *gin.Context) {
keyword := c.Query("keyword")
channels, err := model.SearchChannels(keyword)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"data": channels,
})
return
}
func GetChannel(c *gin.Context) {
id, err := strconv.Atoi(c.Param("id"))
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
channel, err := model.GetChannelById(id, false)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"data": channel,
})
return
}
func AddChannel(c *gin.Context) {
channel := model.Channel{}
err := c.ShouldBindJSON(&channel)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
channel.CreatedTime = common.GetTimestamp()
keys := strings.Split(channel.Key, "\n")
channels := make([]model.Channel, 0)
for _, key := range keys {
if key == "" {
continue
}
localChannel := channel
localChannel.Key = key
channels = append(channels, localChannel)
}
err = model.BatchInsertChannels(channels)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
})
return
}
func DeleteChannel(c *gin.Context) {
id, _ := strconv.Atoi(c.Param("id"))
channel := model.Channel{Id: id}
err := channel.Delete()
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
})
return
}
func UpdateChannel(c *gin.Context) {
channel := model.Channel{}
err := c.ShouldBindJSON(&channel)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
err = channel.Update()
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"data": channel,
})
return
}
func testChannel(channel *model.Channel, request *ChatRequest) error {
if request.Model == "" {
request.Model = "gpt-3.5-turbo"
if channel.Type == common.ChannelTypeAzure {
request.Model = "gpt-35-turbo"
}
}
requestURL := common.ChannelBaseURLs[channel.Type]
if channel.Type == common.ChannelTypeAzure {
requestURL = fmt.Sprintf("%s/openai/deployments/%s/chat/completions?api-version=2023-03-15-preview", channel.BaseURL, request.Model)
} else {
if channel.Type == common.ChannelTypeCustom {
requestURL = channel.BaseURL
}
requestURL += "/v1/chat/completions"
}
jsonData, err := json.Marshal(request)
if err != nil {
return err
}
req, err := http.NewRequest("POST", requestURL, bytes.NewBuffer(jsonData))
if err != nil {
return err
}
if channel.Type == common.ChannelTypeAzure {
req.Header.Set("api-key", channel.Key)
} else {
req.Header.Set("Authorization", "Bearer "+channel.Key)
}
req.Header.Set("Content-Type", "application/json")
client := &http.Client{}
resp, err := client.Do(req)
if err != nil {
return err
}
defer resp.Body.Close()
var response TextResponse
err = json.NewDecoder(resp.Body).Decode(&response)
if err != nil {
return err
}
if response.Error.Message != "" {
return errors.New(fmt.Sprintf("type %s, code %s, message %s", response.Error.Type, response.Error.Code, response.Error.Message))
}
return nil
}
func buildTestRequest(c *gin.Context) *ChatRequest {
model_ := c.Query("model")
testRequest := &ChatRequest{
Model: model_,
MaxTokens: 1,
}
testMessage := Message{
Role: "user",
Content: "hi",
}
testRequest.Messages = append(testRequest.Messages, testMessage)
return testRequest
}
func TestChannel(c *gin.Context) {
id, err := strconv.Atoi(c.Param("id"))
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
channel, err := model.GetChannelById(id, true)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
testRequest := buildTestRequest(c)
tik := time.Now()
err = testChannel(channel, testRequest)
tok := time.Now()
milliseconds := tok.Sub(tik).Milliseconds()
go channel.UpdateResponseTime(milliseconds)
consumedTime := float64(milliseconds) / 1000.0
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
"time": consumedTime,
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
"time": consumedTime,
})
return
}
var testAllChannelsLock sync.Mutex
var testAllChannelsRunning bool = false
// disable & notify
func disableChannel(channelId int, channelName string, reason string) {
if common.RootUserEmail == "" {
common.RootUserEmail = model.GetRootUserEmail()
}
model.UpdateChannelStatusById(channelId, common.ChannelStatusDisabled)
subject := fmt.Sprintf("Channel「%s」#%dhas been disabled", channelName, channelId)
content := fmt.Sprintf("Channel「%s」#%dhas been disabled, reason%s", channelName, channelId, reason)
err := common.SendEmail(subject, common.RootUserEmail, content)
if err != nil {
common.SysError(fmt.Sprintf("Failed to send mail%s", err.Error()))
}
}
func testAllChannels(c *gin.Context) error {
testAllChannelsLock.Lock()
if testAllChannelsRunning {
testAllChannelsLock.Unlock()
return errors.New("Test is already running")
}
testAllChannelsRunning = true
testAllChannelsLock.Unlock()
channels, err := model.GetAllChannels(0, 0, true)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return err
}
testRequest := buildTestRequest(c)
var disableThreshold = int64(common.ChannelDisableThreshold * 1000)
if disableThreshold == 0 {
disableThreshold = 10000000 // a impossible value
}
go func() {
for _, channel := range channels {
if channel.Status != common.ChannelStatusEnabled {
continue
}
tik := time.Now()
err := testChannel(channel, testRequest)
tok := time.Now()
milliseconds := tok.Sub(tik).Milliseconds()
if err != nil || milliseconds > disableThreshold {
if milliseconds > disableThreshold {
err = errors.New(fmt.Sprintf("Response time %.2fs Threshold exceeded %.2fs", float64(milliseconds)/1000.0, float64(disableThreshold)/1000.0))
}
disableChannel(channel.Id, channel.Name, err.Error())
}
channel.UpdateResponseTime(milliseconds)
}
err := common.SendEmail("Channel test complete", common.RootUserEmail, "The channel test is completed, if no disable notification is received, all channels are normal")
if err != nil {
common.SysError(fmt.Sprintf("Failed to send mail%s", err.Error()))
}
testAllChannelsLock.Lock()
testAllChannelsRunning = false
testAllChannelsLock.Unlock()
}()
return nil
}
func TestAllChannels(c *gin.Context) {
err := testAllChannels(c)
if err != nil {
c.JSON(http.StatusOK, gin.H{
"success": false,
"message": err.Error(),
})
return
}
c.JSON(http.StatusOK, gin.H{
"success": true,
"message": "",
})
return
}