Files
sub2api/backend/internal/service/openai_compat_model.go

104 lines
2.3 KiB
Go

package service
import (
"strings"
"github.com/Wei-Shaw/sub2api/internal/pkg/apicompat"
)
func NormalizeOpenAICompatRequestedModel(model string) string {
trimmed := strings.TrimSpace(model)
if trimmed == "" {
return ""
}
normalized, _, ok := splitOpenAICompatReasoningModel(trimmed)
if !ok || normalized == "" {
return trimmed
}
return normalized
}
func applyOpenAICompatModelNormalization(req *apicompat.AnthropicRequest) {
if req == nil {
return
}
originalModel := strings.TrimSpace(req.Model)
if originalModel == "" {
return
}
normalizedModel, derivedEffort, hasReasoningSuffix := splitOpenAICompatReasoningModel(originalModel)
if hasReasoningSuffix && normalizedModel != "" {
req.Model = normalizedModel
}
if req.OutputConfig != nil && strings.TrimSpace(req.OutputConfig.Effort) != "" {
return
}
claudeEffort := openAIReasoningEffortToClaudeOutputEffort(derivedEffort)
if claudeEffort == "" {
return
}
if req.OutputConfig == nil {
req.OutputConfig = &apicompat.AnthropicOutputConfig{}
}
req.OutputConfig.Effort = claudeEffort
}
func splitOpenAICompatReasoningModel(model string) (normalizedModel string, reasoningEffort string, ok bool) {
trimmed := strings.TrimSpace(model)
if trimmed == "" {
return "", "", false
}
modelID := trimmed
if strings.Contains(modelID, "/") {
parts := strings.Split(modelID, "/")
modelID = parts[len(parts)-1]
}
modelID = strings.TrimSpace(modelID)
if !strings.HasPrefix(strings.ToLower(modelID), "gpt-") {
return trimmed, "", false
}
parts := strings.FieldsFunc(strings.ToLower(modelID), func(r rune) bool {
switch r {
case '-', '_', ' ':
return true
default:
return false
}
})
if len(parts) == 0 {
return trimmed, "", false
}
last := strings.NewReplacer("-", "", "_", "", " ", "").Replace(parts[len(parts)-1])
switch last {
case "none", "minimal":
case "low", "medium", "high":
reasoningEffort = last
case "xhigh", "extrahigh":
reasoningEffort = "xhigh"
default:
return trimmed, "", false
}
return normalizeCodexModel(modelID), reasoningEffort, true
}
func openAIReasoningEffortToClaudeOutputEffort(effort string) string {
switch strings.TrimSpace(effort) {
case "low", "medium", "high":
return effort
case "xhigh":
return "max"
default:
return ""
}
}