mirror of
https://github.com/QuantumNous/new-api.git
synced 2026-03-29 23:10:35 +00:00
915 lines
25 KiB
Go
915 lines
25 KiB
Go
package controller
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import (
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"bytes"
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"context"
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"encoding/json"
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"fmt"
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"io"
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"math"
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"net"
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"net/http"
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"net/url"
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"sort"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/QuantumNous/new-api/common"
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"github.com/QuantumNous/new-api/logger"
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"github.com/QuantumNous/new-api/dto"
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"github.com/QuantumNous/new-api/model"
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"github.com/QuantumNous/new-api/setting/ratio_setting"
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"github.com/gin-gonic/gin"
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)
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const (
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defaultTimeoutSeconds = 10
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defaultEndpoint = "/api/ratio_config"
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maxConcurrentFetches = 8
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maxRatioConfigBytes = 10 << 20 // 10MB
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floatEpsilon = 1e-9
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officialRatioPresetID = -100
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officialRatioPresetName = "官方倍率预设"
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officialRatioPresetBaseURL = "https://basellm.github.io"
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modelsDevPresetID = -101
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modelsDevPresetName = "models.dev 价格预设"
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modelsDevPresetBaseURL = "https://models.dev"
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modelsDevHost = "models.dev"
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modelsDevPath = "/api.json"
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modelsDevInputCostRatioBase = 1000.0
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)
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func nearlyEqual(a, b float64) bool {
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if a > b {
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return a-b < floatEpsilon
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}
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return b-a < floatEpsilon
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}
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func valuesEqual(a, b interface{}) bool {
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af, aok := a.(float64)
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bf, bok := b.(float64)
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if aok && bok {
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return nearlyEqual(af, bf)
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}
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return a == b
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}
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var ratioTypes = []string{"model_ratio", "completion_ratio", "cache_ratio", "model_price"}
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type upstreamResult struct {
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Name string `json:"name"`
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Data map[string]any `json:"data,omitempty"`
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Err string `json:"err,omitempty"`
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}
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func FetchUpstreamRatios(c *gin.Context) {
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var req dto.UpstreamRequest
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if err := c.ShouldBindJSON(&req); err != nil {
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common.SysError("failed to bind upstream request: " + err.Error())
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c.JSON(http.StatusBadRequest, gin.H{"success": false, "message": "请求参数格式错误"})
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return
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}
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if req.Timeout <= 0 {
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req.Timeout = defaultTimeoutSeconds
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}
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var upstreams []dto.UpstreamDTO
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if len(req.Upstreams) > 0 {
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for _, u := range req.Upstreams {
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if strings.HasPrefix(u.BaseURL, "http") {
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if u.Endpoint == "" {
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u.Endpoint = defaultEndpoint
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}
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u.BaseURL = strings.TrimRight(u.BaseURL, "/")
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upstreams = append(upstreams, u)
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}
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}
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} else if len(req.ChannelIDs) > 0 {
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intIds := make([]int, 0, len(req.ChannelIDs))
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for _, id64 := range req.ChannelIDs {
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intIds = append(intIds, int(id64))
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}
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dbChannels, err := model.GetChannelsByIds(intIds)
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if err != nil {
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logger.LogError(c.Request.Context(), "failed to query channels: "+err.Error())
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c.JSON(http.StatusInternalServerError, gin.H{"success": false, "message": "查询渠道失败"})
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return
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}
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for _, ch := range dbChannels {
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if base := ch.GetBaseURL(); strings.HasPrefix(base, "http") {
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upstreams = append(upstreams, dto.UpstreamDTO{
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ID: ch.Id,
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Name: ch.Name,
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BaseURL: strings.TrimRight(base, "/"),
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Endpoint: "",
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})
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}
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}
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}
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if len(upstreams) == 0 {
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c.JSON(http.StatusOK, gin.H{"success": false, "message": "无有效上游渠道"})
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return
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}
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var wg sync.WaitGroup
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ch := make(chan upstreamResult, len(upstreams))
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sem := make(chan struct{}, maxConcurrentFetches)
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dialer := &net.Dialer{Timeout: 10 * time.Second}
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transport := &http.Transport{MaxIdleConns: 100, IdleConnTimeout: 90 * time.Second, TLSHandshakeTimeout: 10 * time.Second, ExpectContinueTimeout: 1 * time.Second, ResponseHeaderTimeout: 10 * time.Second}
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if common.TLSInsecureSkipVerify {
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transport.TLSClientConfig = common.InsecureTLSConfig
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}
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transport.DialContext = func(ctx context.Context, network, addr string) (net.Conn, error) {
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host, _, err := net.SplitHostPort(addr)
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if err != nil {
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host = addr
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}
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// 对 github.io 优先尝试 IPv4，失败则回退 IPv6
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if strings.HasSuffix(host, "github.io") {
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if conn, err := dialer.DialContext(ctx, "tcp4", addr); err == nil {
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return conn, nil
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}
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return dialer.DialContext(ctx, "tcp6", addr)
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}
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return dialer.DialContext(ctx, network, addr)
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}
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client := &http.Client{Transport: transport}
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for _, chn := range upstreams {
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wg.Add(1)
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go func(chItem dto.UpstreamDTO) {
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defer wg.Done()
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sem <- struct{}{}
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defer func() { <-sem }()
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isOpenRouter := chItem.Endpoint == "openrouter"
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endpoint := chItem.Endpoint
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var fullURL string
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if isOpenRouter {
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fullURL = chItem.BaseURL + "/v1/models"
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} else if strings.HasPrefix(endpoint, "http://") || strings.HasPrefix(endpoint, "https://") {
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fullURL = endpoint
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} else {
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if endpoint == "" {
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endpoint = defaultEndpoint
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} else if !strings.HasPrefix(endpoint, "/") {
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endpoint = "/" + endpoint
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}
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fullURL = chItem.BaseURL + endpoint
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}
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isModelsDev := isModelsDevAPIEndpoint(fullURL)
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uniqueName := chItem.Name
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if chItem.ID != 0 {
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uniqueName = fmt.Sprintf("%s(%d)", chItem.Name, chItem.ID)
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}
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ctx, cancel := context.WithTimeout(c.Request.Context(), time.Duration(req.Timeout)*time.Second)
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defer cancel()
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httpReq, err := http.NewRequestWithContext(ctx, http.MethodGet, fullURL, nil)
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if err != nil {
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logger.LogWarn(c.Request.Context(), "build request failed: "+err.Error())
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ch <- upstreamResult{Name: uniqueName, Err: err.Error()}
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return
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}
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// OpenRouter requires Bearer token auth
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if isOpenRouter && chItem.ID != 0 {
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dbCh, err := model.GetChannelById(chItem.ID, true)
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if err != nil {
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ch <- upstreamResult{Name: uniqueName, Err: "failed to get channel key: " + err.Error()}
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return
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}
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key, _, apiErr := dbCh.GetNextEnabledKey()
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if apiErr != nil {
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ch <- upstreamResult{Name: uniqueName, Err: "failed to get enabled channel key: " + apiErr.Error()}
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return
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}
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if strings.TrimSpace(key) == "" {
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ch <- upstreamResult{Name: uniqueName, Err: "no API key configured for this channel"}
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return
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}
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httpReq.Header.Set("Authorization", "Bearer "+strings.TrimSpace(key))
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} else if isOpenRouter {
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ch <- upstreamResult{Name: uniqueName, Err: "OpenRouter requires a valid channel with API key"}
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return
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}
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// 简单重试：最多 3 次，指数退避
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var resp *http.Response
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var lastErr error
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for attempt := 0; attempt < 3; attempt++ {
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resp, lastErr = client.Do(httpReq)
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if lastErr == nil {
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break
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}
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time.Sleep(time.Duration(200*(1<<attempt)) * time.Millisecond)
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}
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if lastErr != nil {
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logger.LogWarn(c.Request.Context(), "http error on "+chItem.Name+": "+lastErr.Error())
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ch <- upstreamResult{Name: uniqueName, Err: lastErr.Error()}
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return
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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logger.LogWarn(c.Request.Context(), "non-200 from "+chItem.Name+": "+resp.Status)
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ch <- upstreamResult{Name: uniqueName, Err: resp.Status}
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return
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}
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// Content-Type 和响应体大小校验
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if ct := resp.Header.Get("Content-Type"); ct != "" && !strings.Contains(strings.ToLower(ct), "application/json") {
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logger.LogWarn(c.Request.Context(), "unexpected content-type from "+chItem.Name+": "+ct)
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}
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limited := io.LimitReader(resp.Body, maxRatioConfigBytes)
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bodyBytes, err := io.ReadAll(limited)
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if err != nil {
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logger.LogWarn(c.Request.Context(), "read response failed from "+chItem.Name+": "+err.Error())
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ch <- upstreamResult{Name: uniqueName, Err: err.Error()}
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return
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}
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// type3: OpenRouter /v1/models -> convert per-token pricing to ratios
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if isOpenRouter {
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converted, err := convertOpenRouterToRatioData(bytes.NewReader(bodyBytes))
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if err != nil {
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logger.LogWarn(c.Request.Context(), "OpenRouter parse failed from "+chItem.Name+": "+err.Error())
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ch <- upstreamResult{Name: uniqueName, Err: err.Error()}
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return
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}
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ch <- upstreamResult{Name: uniqueName, Data: converted}
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return
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}
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// type4: models.dev /api.json -> convert provider model pricing to ratios
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if isModelsDev {
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converted, err := convertModelsDevToRatioData(bytes.NewReader(bodyBytes))
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if err != nil {
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logger.LogWarn(c.Request.Context(), "models.dev parse failed from "+chItem.Name+": "+err.Error())
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ch <- upstreamResult{Name: uniqueName, Err: err.Error()}
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return
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}
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ch <- upstreamResult{Name: uniqueName, Data: converted}
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return
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}
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// 兼容两种上游接口格式：
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// type1: /api/ratio_config -> data 为 map[string]any，包含 model_ratio/completion_ratio/cache_ratio/model_price
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// type2: /api/pricing -> data 为 []Pricing 列表，需要转换为与 type1 相同的 map 格式
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var body struct {
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Success bool `json:"success"`
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Data json.RawMessage `json:"data"`
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Message string `json:"message"`
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}
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if err := common.DecodeJson(bytes.NewReader(bodyBytes), &body); err != nil {
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logger.LogWarn(c.Request.Context(), "json decode failed from "+chItem.Name+": "+err.Error())
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ch <- upstreamResult{Name: uniqueName, Err: err.Error()}
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return
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}
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if !body.Success {
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ch <- upstreamResult{Name: uniqueName, Err: body.Message}
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return
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}
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// 若 Data 为空，将继续按 type1 尝试解析（与多数静态 ratio_config 兼容）
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// 尝试按 type1 解析
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var type1Data map[string]any
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if err := common.Unmarshal(body.Data, &type1Data); err == nil {
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// 如果包含至少一个 ratioTypes 字段，则认为是 type1
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isType1 := false
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for _, rt := range ratioTypes {
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if _, ok := type1Data[rt]; ok {
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isType1 = true
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break
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}
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}
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if isType1 {
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ch <- upstreamResult{Name: uniqueName, Data: type1Data}
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return
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}
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}
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// 如果不是 type1，则尝试按 type2 (/api/pricing) 解析
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var pricingItems []struct {
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ModelName string `json:"model_name"`
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QuotaType int `json:"quota_type"`
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ModelRatio float64 `json:"model_ratio"`
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ModelPrice float64 `json:"model_price"`
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CompletionRatio float64 `json:"completion_ratio"`
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}
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if err := common.Unmarshal(body.Data, &pricingItems); err != nil {
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logger.LogWarn(c.Request.Context(), "unrecognized data format from "+chItem.Name+": "+err.Error())
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ch <- upstreamResult{Name: uniqueName, Err: "无法解析上游返回数据"}
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return
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}
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modelRatioMap := make(map[string]float64)
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completionRatioMap := make(map[string]float64)
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modelPriceMap := make(map[string]float64)
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for _, item := range pricingItems {
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if item.QuotaType == 1 {
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modelPriceMap[item.ModelName] = item.ModelPrice
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} else {
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modelRatioMap[item.ModelName] = item.ModelRatio
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// completionRatio 可能为 0，此时也直接赋值，保持与上游一致
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completionRatioMap[item.ModelName] = item.CompletionRatio
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}
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}
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converted := make(map[string]any)
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if len(modelRatioMap) > 0 {
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ratioAny := make(map[string]any, len(modelRatioMap))
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for k, v := range modelRatioMap {
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ratioAny[k] = v
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}
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converted["model_ratio"] = ratioAny
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}
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if len(completionRatioMap) > 0 {
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compAny := make(map[string]any, len(completionRatioMap))
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for k, v := range completionRatioMap {
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compAny[k] = v
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}
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converted["completion_ratio"] = compAny
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}
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if len(modelPriceMap) > 0 {
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priceAny := make(map[string]any, len(modelPriceMap))
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for k, v := range modelPriceMap {
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priceAny[k] = v
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}
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converted["model_price"] = priceAny
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}
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ch <- upstreamResult{Name: uniqueName, Data: converted}
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}(chn)
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}
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wg.Wait()
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close(ch)
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localData := ratio_setting.GetExposedData()
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var testResults []dto.TestResult
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var successfulChannels []struct {
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name string
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data map[string]any
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}
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for r := range ch {
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if r.Err != "" {
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testResults = append(testResults, dto.TestResult{
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Name: r.Name,
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Status: "error",
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Error: r.Err,
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})
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} else {
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testResults = append(testResults, dto.TestResult{
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Name: r.Name,
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Status: "success",
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})
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successfulChannels = append(successfulChannels, struct {
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name string
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data map[string]any
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}{name: r.Name, data: r.Data})
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}
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}
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differences := buildDifferences(localData, successfulChannels)
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c.JSON(http.StatusOK, gin.H{
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"success": true,
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"data": gin.H{
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"differences": differences,
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"test_results": testResults,
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},
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})
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}
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func buildDifferences(localData map[string]any, successfulChannels []struct {
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name string
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data map[string]any
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}) map[string]map[string]dto.DifferenceItem {
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differences := make(map[string]map[string]dto.DifferenceItem)
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allModels := make(map[string]struct{})
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for _, ratioType := range ratioTypes {
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if localRatioAny, ok := localData[ratioType]; ok {
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if localRatio, ok := localRatioAny.(map[string]float64); ok {
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for modelName := range localRatio {
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allModels[modelName] = struct{}{}
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}
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}
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}
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}
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for _, channel := range successfulChannels {
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for _, ratioType := range ratioTypes {
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if upstreamRatio, ok := channel.data[ratioType].(map[string]any); ok {
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for modelName := range upstreamRatio {
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allModels[modelName] = struct{}{}
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}
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}
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}
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}
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confidenceMap := make(map[string]map[string]bool)
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// 预处理阶段：检查pricing接口的可信度
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for _, channel := range successfulChannels {
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confidenceMap[channel.name] = make(map[string]bool)
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modelRatios, hasModelRatio := channel.data["model_ratio"].(map[string]any)
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completionRatios, hasCompletionRatio := channel.data["completion_ratio"].(map[string]any)
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if hasModelRatio && hasCompletionRatio {
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// 遍历所有模型，检查是否满足不可信条件
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for modelName := range allModels {
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// 默认为可信
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confidenceMap[channel.name][modelName] = true
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// 检查是否满足不可信条件：model_ratio为37.5且completion_ratio为1
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if modelRatioVal, ok := modelRatios[modelName]; ok {
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if completionRatioVal, ok := completionRatios[modelName]; ok {
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// 转换为float64进行比较
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if modelRatioFloat, ok := modelRatioVal.(float64); ok {
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if completionRatioFloat, ok := completionRatioVal.(float64); ok {
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if modelRatioFloat == 37.5 && completionRatioFloat == 1.0 {
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confidenceMap[channel.name][modelName] = false
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}
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}
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}
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}
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}
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}
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} else {
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// 如果不是从pricing接口获取的数据，则全部标记为可信
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for modelName := range allModels {
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confidenceMap[channel.name][modelName] = true
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}
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}
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}
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for modelName := range allModels {
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for _, ratioType := range ratioTypes {
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var localValue interface{} = nil
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if localRatioAny, ok := localData[ratioType]; ok {
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if localRatio, ok := localRatioAny.(map[string]float64); ok {
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if val, exists := localRatio[modelName]; exists {
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localValue = val
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}
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}
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}
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upstreamValues := make(map[string]interface{})
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confidenceValues := make(map[string]bool)
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hasUpstreamValue := false
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hasDifference := false
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for _, channel := range successfulChannels {
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var upstreamValue interface{} = nil
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if upstreamRatio, ok := channel.data[ratioType].(map[string]any); ok {
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if val, exists := upstreamRatio[modelName]; exists {
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upstreamValue = val
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hasUpstreamValue = true
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if localValue != nil && !valuesEqual(localValue, val) {
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hasDifference = true
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} else if valuesEqual(localValue, val) {
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upstreamValue = "same"
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}
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}
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}
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if upstreamValue == nil && localValue == nil {
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||
upstreamValue = "same"
|
||
}
|
||
|
||
if localValue == nil && upstreamValue != nil && upstreamValue != "same" {
|
||
hasDifference = true
|
||
}
|
||
|
||
upstreamValues[channel.name] = upstreamValue
|
||
|
||
confidenceValues[channel.name] = confidenceMap[channel.name][modelName]
|
||
}
|
||
|
||
shouldInclude := false
|
||
|
||
if localValue != nil {
|
||
if hasDifference {
|
||
shouldInclude = true
|
||
}
|
||
} else {
|
||
if hasUpstreamValue {
|
||
shouldInclude = true
|
||
}
|
||
}
|
||
|
||
if shouldInclude {
|
||
if differences[modelName] == nil {
|
||
differences[modelName] = make(map[string]dto.DifferenceItem)
|
||
}
|
||
differences[modelName][ratioType] = dto.DifferenceItem{
|
||
Current: localValue,
|
||
Upstreams: upstreamValues,
|
||
Confidence: confidenceValues,
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
channelHasDiff := make(map[string]bool)
|
||
for _, ratioMap := range differences {
|
||
for _, item := range ratioMap {
|
||
for chName, val := range item.Upstreams {
|
||
if val != nil && val != "same" {
|
||
channelHasDiff[chName] = true
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
for modelName, ratioMap := range differences {
|
||
for ratioType, item := range ratioMap {
|
||
for chName := range item.Upstreams {
|
||
if !channelHasDiff[chName] {
|
||
delete(item.Upstreams, chName)
|
||
delete(item.Confidence, chName)
|
||
}
|
||
}
|
||
|
||
allSame := true
|
||
for _, v := range item.Upstreams {
|
||
if v != "same" {
|
||
allSame = false
|
||
break
|
||
}
|
||
}
|
||
if len(item.Upstreams) == 0 || allSame {
|
||
delete(ratioMap, ratioType)
|
||
} else {
|
||
differences[modelName][ratioType] = item
|
||
}
|
||
}
|
||
|
||
if len(ratioMap) == 0 {
|
||
delete(differences, modelName)
|
||
}
|
||
}
|
||
|
||
return differences
|
||
}
|
||
|
||
func roundRatioValue(value float64) float64 {
|
||
return math.Round(value*1e6) / 1e6
|
||
}
|
||
|
||
func isModelsDevAPIEndpoint(rawURL string) bool {
|
||
parsedURL, err := url.Parse(rawURL)
|
||
if err != nil {
|
||
return false
|
||
}
|
||
if strings.ToLower(parsedURL.Hostname()) != modelsDevHost {
|
||
return false
|
||
}
|
||
path := strings.TrimSuffix(parsedURL.Path, "/")
|
||
if path == "" {
|
||
path = "/"
|
||
}
|
||
return path == modelsDevPath
|
||
}
|
||
|
||
// convertOpenRouterToRatioData parses OpenRouter's /v1/models response and converts
|
||
// per-token USD pricing into the local ratio format.
|
||
// model_ratio = prompt_price_per_token * 1_000_000 * (USD / 1000)
|
||
//
|
||
// since 1 ratio unit = $0.002/1K tokens and USD=500, the factor is 500_000
|
||
//
|
||
// completion_ratio = completion_price / prompt_price (output/input multiplier)
|
||
func convertOpenRouterToRatioData(reader io.Reader) (map[string]any, error) {
|
||
var orResp struct {
|
||
Data []struct {
|
||
ID string `json:"id"`
|
||
Pricing struct {
|
||
Prompt string `json:"prompt"`
|
||
Completion string `json:"completion"`
|
||
InputCacheRead string `json:"input_cache_read"`
|
||
} `json:"pricing"`
|
||
} `json:"data"`
|
||
}
|
||
|
||
if err := common.DecodeJson(reader, &orResp); err != nil {
|
||
return nil, fmt.Errorf("failed to decode OpenRouter response: %w", err)
|
||
}
|
||
|
||
modelRatioMap := make(map[string]any)
|
||
completionRatioMap := make(map[string]any)
|
||
cacheRatioMap := make(map[string]any)
|
||
|
||
for _, m := range orResp.Data {
|
||
promptPrice, promptErr := strconv.ParseFloat(m.Pricing.Prompt, 64)
|
||
completionPrice, compErr := strconv.ParseFloat(m.Pricing.Completion, 64)
|
||
|
||
if promptErr != nil && compErr != nil {
|
||
// Both unparseable — skip this model
|
||
continue
|
||
}
|
||
|
||
// Treat parse errors as 0
|
||
if promptErr != nil {
|
||
promptPrice = 0
|
||
}
|
||
if compErr != nil {
|
||
completionPrice = 0
|
||
}
|
||
|
||
// Negative values are sentinel values (e.g., -1 for dynamic/variable pricing) — skip
|
||
if promptPrice < 0 || completionPrice < 0 {
|
||
continue
|
||
}
|
||
|
||
if promptPrice == 0 && completionPrice == 0 {
|
||
// Free model
|
||
modelRatioMap[m.ID] = 0.0
|
||
continue
|
||
}
|
||
if promptPrice <= 0 {
|
||
// No meaningful prompt baseline, cannot derive ratios safely.
|
||
continue
|
||
}
|
||
|
||
// Normal case: promptPrice > 0
|
||
ratio := promptPrice * 1000 * ratio_setting.USD
|
||
ratio = roundRatioValue(ratio)
|
||
modelRatioMap[m.ID] = ratio
|
||
|
||
compRatio := completionPrice / promptPrice
|
||
compRatio = roundRatioValue(compRatio)
|
||
completionRatioMap[m.ID] = compRatio
|
||
|
||
// Convert input_cache_read to cache_ratio (= cache_read_price / prompt_price)
|
||
if m.Pricing.InputCacheRead != "" {
|
||
if cachePrice, err := strconv.ParseFloat(m.Pricing.InputCacheRead, 64); err == nil && cachePrice >= 0 {
|
||
cacheRatio := cachePrice / promptPrice
|
||
cacheRatio = roundRatioValue(cacheRatio)
|
||
cacheRatioMap[m.ID] = cacheRatio
|
||
}
|
||
}
|
||
}
|
||
|
||
converted := make(map[string]any)
|
||
if len(modelRatioMap) > 0 {
|
||
converted["model_ratio"] = modelRatioMap
|
||
}
|
||
if len(completionRatioMap) > 0 {
|
||
converted["completion_ratio"] = completionRatioMap
|
||
}
|
||
if len(cacheRatioMap) > 0 {
|
||
converted["cache_ratio"] = cacheRatioMap
|
||
}
|
||
|
||
return converted, nil
|
||
}
|
||
|
||
type modelsDevProvider struct {
|
||
Models map[string]modelsDevModel `json:"models"`
|
||
}
|
||
|
||
type modelsDevModel struct {
|
||
Cost modelsDevCost `json:"cost"`
|
||
}
|
||
|
||
type modelsDevCost struct {
|
||
Input *float64 `json:"input"`
|
||
Output *float64 `json:"output"`
|
||
CacheRead *float64 `json:"cache_read"`
|
||
}
|
||
|
||
type modelsDevCandidate struct {
|
||
Provider string
|
||
Input float64
|
||
Output *float64
|
||
CacheRead *float64
|
||
}
|
||
|
||
func cloneFloatPtr(v *float64) *float64 {
|
||
if v == nil {
|
||
return nil
|
||
}
|
||
out := *v
|
||
return &out
|
||
}
|
||
|
||
func isValidNonNegativeCost(v float64) bool {
|
||
if math.IsNaN(v) || math.IsInf(v, 0) {
|
||
return false
|
||
}
|
||
return v >= 0
|
||
}
|
||
|
||
func buildModelsDevCandidate(provider string, cost modelsDevCost) (modelsDevCandidate, bool) {
|
||
if cost.Input == nil {
|
||
return modelsDevCandidate{}, false
|
||
}
|
||
|
||
input := *cost.Input
|
||
if !isValidNonNegativeCost(input) {
|
||
return modelsDevCandidate{}, false
|
||
}
|
||
|
||
var output *float64
|
||
if cost.Output != nil {
|
||
if !isValidNonNegativeCost(*cost.Output) {
|
||
return modelsDevCandidate{}, false
|
||
}
|
||
output = cloneFloatPtr(cost.Output)
|
||
}
|
||
|
||
// input=0/output>0 cannot be transformed into local ratio.
|
||
if input == 0 && output != nil && *output > 0 {
|
||
return modelsDevCandidate{}, false
|
||
}
|
||
|
||
var cacheRead *float64
|
||
if cost.CacheRead != nil && isValidNonNegativeCost(*cost.CacheRead) {
|
||
cacheRead = cloneFloatPtr(cost.CacheRead)
|
||
}
|
||
|
||
return modelsDevCandidate{
|
||
Provider: provider,
|
||
Input: input,
|
||
Output: output,
|
||
CacheRead: cacheRead,
|
||
}, true
|
||
}
|
||
|
||
func shouldReplaceModelsDevCandidate(current, next modelsDevCandidate) bool {
|
||
currentNonZero := current.Input > 0
|
||
nextNonZero := next.Input > 0
|
||
if currentNonZero != nextNonZero {
|
||
// Prefer non-zero pricing data; this matches "cheapest non-zero" conflict policy.
|
||
return nextNonZero
|
||
}
|
||
if nextNonZero && !nearlyEqual(next.Input, current.Input) {
|
||
return next.Input < current.Input
|
||
}
|
||
// Stable tie-breaker for deterministic result.
|
||
return next.Provider < current.Provider
|
||
}
|
||
|
||
// convertModelsDevToRatioData parses models.dev /api.json and converts
|
||
// provider pricing metadata into local ratio format.
|
||
// models.dev costs are USD per 1M tokens:
|
||
//
|
||
// model_ratio = input_cost_per_1M / 2
|
||
// completion_ratio = output_cost / input_cost
|
||
// cache_ratio = cache_read_cost / input_cost
|
||
//
|
||
// Duplicate model keys across providers are resolved by selecting the
|
||
// cheapest non-zero input cost. If only zero-priced candidates exist,
|
||
// a zero ratio is kept.
|
||
func convertModelsDevToRatioData(reader io.Reader) (map[string]any, error) {
|
||
var upstreamData map[string]modelsDevProvider
|
||
if err := common.DecodeJson(reader, &upstreamData); err != nil {
|
||
return nil, fmt.Errorf("failed to decode models.dev response: %w", err)
|
||
}
|
||
if len(upstreamData) == 0 {
|
||
return nil, fmt.Errorf("empty models.dev response")
|
||
}
|
||
|
||
providers := make([]string, 0, len(upstreamData))
|
||
for provider := range upstreamData {
|
||
providers = append(providers, provider)
|
||
}
|
||
sort.Strings(providers)
|
||
|
||
selectedCandidates := make(map[string]modelsDevCandidate)
|
||
for _, provider := range providers {
|
||
providerData := upstreamData[provider]
|
||
if len(providerData.Models) == 0 {
|
||
continue
|
||
}
|
||
|
||
modelNames := make([]string, 0, len(providerData.Models))
|
||
for modelName := range providerData.Models {
|
||
modelNames = append(modelNames, modelName)
|
||
}
|
||
sort.Strings(modelNames)
|
||
|
||
for _, modelName := range modelNames {
|
||
candidate, ok := buildModelsDevCandidate(provider, providerData.Models[modelName].Cost)
|
||
if !ok {
|
||
continue
|
||
}
|
||
current, exists := selectedCandidates[modelName]
|
||
if !exists || shouldReplaceModelsDevCandidate(current, candidate) {
|
||
selectedCandidates[modelName] = candidate
|
||
}
|
||
}
|
||
}
|
||
|
||
if len(selectedCandidates) == 0 {
|
||
return nil, fmt.Errorf("no valid models.dev pricing entries found")
|
||
}
|
||
|
||
modelRatioMap := make(map[string]any)
|
||
completionRatioMap := make(map[string]any)
|
||
cacheRatioMap := make(map[string]any)
|
||
|
||
for modelName, candidate := range selectedCandidates {
|
||
if candidate.Input == 0 {
|
||
modelRatioMap[modelName] = 0.0
|
||
continue
|
||
}
|
||
|
||
modelRatio := candidate.Input * float64(ratio_setting.USD) / modelsDevInputCostRatioBase
|
||
modelRatioMap[modelName] = roundRatioValue(modelRatio)
|
||
|
||
if candidate.Output != nil {
|
||
completionRatio := *candidate.Output / candidate.Input
|
||
completionRatioMap[modelName] = roundRatioValue(completionRatio)
|
||
}
|
||
|
||
if candidate.CacheRead != nil {
|
||
cacheRatio := *candidate.CacheRead / candidate.Input
|
||
cacheRatioMap[modelName] = roundRatioValue(cacheRatio)
|
||
}
|
||
}
|
||
|
||
converted := make(map[string]any)
|
||
if len(modelRatioMap) > 0 {
|
||
converted["model_ratio"] = modelRatioMap
|
||
}
|
||
if len(completionRatioMap) > 0 {
|
||
converted["completion_ratio"] = completionRatioMap
|
||
}
|
||
if len(cacheRatioMap) > 0 {
|
||
converted["cache_ratio"] = cacheRatioMap
|
||
}
|
||
return converted, nil
|
||
}
|
||
|
||
func GetSyncableChannels(c *gin.Context) {
|
||
channels, err := model.GetAllChannels(0, 0, true, false)
|
||
if err != nil {
|
||
c.JSON(http.StatusOK, gin.H{
|
||
"success": false,
|
||
"message": err.Error(),
|
||
})
|
||
return
|
||
}
|
||
|
||
var syncableChannels []dto.SyncableChannel
|
||
for _, channel := range channels {
|
||
if channel.GetBaseURL() != "" {
|
||
syncableChannels = append(syncableChannels, dto.SyncableChannel{
|
||
ID: channel.Id,
|
||
Name: channel.Name,
|
||
BaseURL: channel.GetBaseURL(),
|
||
Status: channel.Status,
|
||
Type: channel.Type,
|
||
})
|
||
}
|
||
}
|
||
|
||
syncableChannels = append(syncableChannels, dto.SyncableChannel{
|
||
ID: officialRatioPresetID,
|
||
Name: officialRatioPresetName,
|
||
BaseURL: officialRatioPresetBaseURL,
|
||
Status: 1,
|
||
})
|
||
|
||
syncableChannels = append(syncableChannels, dto.SyncableChannel{
|
||
ID: modelsDevPresetID,
|
||
Name: modelsDevPresetName,
|
||
BaseURL: modelsDevPresetBaseURL,
|
||
Status: 1,
|
||
})
|
||
|
||
c.JSON(http.StatusOK, gin.H{
|
||
"success": true,
|
||
"message": "",
|
||
"data": syncableChannels,
|
||
})
|
||
}
|