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Luis Pater
2025-09-25 10:32:48 +08:00
parent 3f69254f43
commit f5dc380b63
214 changed files with 39377 additions and 0 deletions
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288
internal/translator/gemini/openai/chat-completions/gemini_openai_request.go Normal file
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// Package openai provides request translation functionality for OpenAI to Gemini API compatibility.
// It converts OpenAI Chat Completions requests into Gemini compatible JSON using gjson/sjson only.
package chat_completions
import (
"bytes"
"fmt"
"strings"
"github.com/router-for-me/CLIProxyAPI/v6/internal/misc"
"github.com/router-for-me/CLIProxyAPI/v6/internal/util"
log "github.com/sirupsen/logrus"
"github.com/tidwall/gjson"
"github.com/tidwall/sjson"
)
// ConvertOpenAIRequestToGemini converts an OpenAI Chat Completions request (raw JSON)
// into a complete Gemini request JSON. All JSON construction uses sjson and lookups use gjson.
//
// Parameters:
// - modelName: The name of the model to use for the request
// - rawJSON: The raw JSON request data from the OpenAI API
// - stream: A boolean indicating if the request is for a streaming response (unused in current implementation)
//
// Returns:
// - []byte: The transformed request data in Gemini API format
func ConvertOpenAIRequestToGemini(modelName string, inputRawJSON []byte, _ bool) []byte {
rawJSON := bytes.Clone(inputRawJSON)
// Base envelope
out := []byte(`{"contents":[],"generationConfig":{"thinkingConfig":{"include_thoughts":true}}}`)
// Model
out, _ = sjson.SetBytes(out, "model", modelName)
// Reasoning effort -> thinkingBudget/include_thoughts
re := gjson.GetBytes(rawJSON, "reasoning_effort")
if re.Exists() {
switch re.String() {
case "none":
out, _ = sjson.DeleteBytes(out, "generationConfig.thinkingConfig.include_thoughts")
out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.thinkingBudget", 0)
case "auto":
out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.thinkingBudget", -1)
case "low":
out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.thinkingBudget", 1024)
case "medium":
out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.thinkingBudget", 8192)
case "high":
out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.thinkingBudget", 24576)
default:
out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.thinkingBudget", -1)
}
} else {
out, _ = sjson.SetBytes(out, "generationConfig.thinkingConfig.thinkingBudget", -1)
}
// Temperature/top_p/top_k
if tr := gjson.GetBytes(rawJSON, "temperature"); tr.Exists() && tr.Type == gjson.Number {
out, _ = sjson.SetBytes(out, "generationConfig.temperature", tr.Num)
}
if tpr := gjson.GetBytes(rawJSON, "top_p"); tpr.Exists() && tpr.Type == gjson.Number {
out, _ = sjson.SetBytes(out, "generationConfig.topP", tpr.Num)
}
if tkr := gjson.GetBytes(rawJSON, "top_k"); tkr.Exists() && tkr.Type == gjson.Number {
out, _ = sjson.SetBytes(out, "generationConfig.topK", tkr.Num)
}
// messages -> systemInstruction + contents
messages := gjson.GetBytes(rawJSON, "messages")
if messages.IsArray() {
arr := messages.Array()
// First pass: assistant tool_calls id->name map
tcID2Name := map[string]string{}
for i := 0; i < len(arr); i++ {
m := arr[i]
if m.Get("role").String() == "assistant" {
tcs := m.Get("tool_calls")
if tcs.IsArray() {
for _, tc := range tcs.Array() {
if tc.Get("type").String() == "function" {
id := tc.Get("id").String()
name := tc.Get("function.name").String()
if id != "" && name != "" {
tcID2Name[id] = name
}
}
}
}
}
}
// Second pass build systemInstruction/tool responses cache
toolResponses := map[string]string{} // tool_call_id -> response text
for i := 0; i < len(arr); i++ {
m := arr[i]
role := m.Get("role").String()
if role == "tool" {
toolCallID := m.Get("tool_call_id").String()
if toolCallID != "" {
c := m.Get("content")
if c.Type == gjson.String {
toolResponses[toolCallID] = c.String()
} else if c.IsObject() && c.Get("type").String() == "text" {
toolResponses[toolCallID] = c.Get("text").String()
}
}
}
}
for i := 0; i < len(arr); i++ {
m := arr[i]
role := m.Get("role").String()
content := m.Get("content")
if role == "system" && len(arr) > 1 {
// system -> system_instruction as a user message style
if content.Type == gjson.String {
out, _ = sjson.SetBytes(out, "system_instruction.role", "user")
out, _ = sjson.SetBytes(out, "system_instruction.parts.0.text", content.String())
} else if content.IsObject() && content.Get("type").String() == "text" {
out, _ = sjson.SetBytes(out, "system_instruction.role", "user")
out, _ = sjson.SetBytes(out, "system_instruction.parts.0.text", content.Get("text").String())
}
} else if role == "user" || (role == "system" && len(arr) == 1) {
// Build single user content node to avoid splitting into multiple contents
node := []byte(`{"role":"user","parts":[]}`)
if content.Type == gjson.String {
node, _ = sjson.SetBytes(node, "parts.0.text", content.String())
} else if content.IsArray() {
items := content.Array()
p := 0
for _, item := range items {
switch item.Get("type").String() {
case "text":
node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".text", item.Get("text").String())
p++
case "image_url":
imageURL := item.Get("image_url.url").String()
if len(imageURL) > 5 {
pieces := strings.SplitN(imageURL[5:], ";", 2)
if len(pieces) == 2 && len(pieces[1]) > 7 {
mime := pieces[0]
data := pieces[1][7:]
node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.mime_type", mime)
node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.data", data)
p++
}
}
case "file":
filename := item.Get("file.filename").String()
fileData := item.Get("file.file_data").String()
ext := ""
if sp := strings.Split(filename, "."); len(sp) > 1 {
ext = sp[len(sp)-1]
}
if mimeType, ok := misc.MimeTypes[ext]; ok {
node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.mime_type", mimeType)
node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.data", fileData)
p++
} else {
log.Warnf("Unknown file name extension '%s' in user message, skip", ext)
}
}
}
}
out, _ = sjson.SetRawBytes(out, "contents.-1", node)
} else if role == "assistant" {
if content.Type == gjson.String {
// Assistant text -> single model content
node := []byte(`{"role":"model","parts":[{"text":""}]}`)
node, _ = sjson.SetBytes(node, "parts.0.text", content.String())
out, _ = sjson.SetRawBytes(out, "contents.-1", node)
} else if content.IsArray() {
// Assistant multimodal content (e.g. text + image) -> single model content with parts
node := []byte(`{"role":"model","parts":[]}`)
p := 0
for _, item := range content.Array() {
switch item.Get("type").String() {
case "text":
node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".text", item.Get("text").String())
p++
case "image_url":
// If the assistant returned an inline data URL, preserve it for history fidelity.
imageURL := item.Get("image_url.url").String()
if len(imageURL) > 5 { // expect data:...
pieces := strings.SplitN(imageURL[5:], ";", 2)
if len(pieces) == 2 && len(pieces[1]) > 7 {
mime := pieces[0]
data := pieces[1][7:]
node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.mime_type", mime)
node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".inlineData.data", data)
p++
}
}
}
}
out, _ = sjson.SetRawBytes(out, "contents.-1", node)
} else if !content.Exists() || content.Type == gjson.Null {
// Tool calls -> single model content with functionCall parts
tcs := m.Get("tool_calls")
if tcs.IsArray() {
node := []byte(`{"role":"model","parts":[]}`)
p := 0
fIDs := make([]string, 0)
for _, tc := range tcs.Array() {
if tc.Get("type").String() != "function" {
continue
}
fid := tc.Get("id").String()
fname := tc.Get("function.name").String()
fargs := tc.Get("function.arguments").String()
node, _ = sjson.SetBytes(node, "parts."+itoa(p)+".functionCall.name", fname)
node, _ = sjson.SetRawBytes(node, "parts."+itoa(p)+".functionCall.args", []byte(fargs))
p++
if fid != "" {
fIDs = append(fIDs, fid)
}
}
out, _ = sjson.SetRawBytes(out, "contents.-1", node)
// Append a single tool content combining name + response per function
toolNode := []byte(`{"role":"tool","parts":[]}`)
pp := 0
for _, fid := range fIDs {
if name, ok := tcID2Name[fid]; ok {
toolNode, _ = sjson.SetBytes(toolNode, "parts."+itoa(pp)+".functionResponse.name", name)
resp := toolResponses[fid]
if resp == "" {
resp = "{}"
}
toolNode, _ = sjson.SetRawBytes(toolNode, "parts."+itoa(pp)+".functionResponse.response", []byte(`{"result":`+quoteIfNeeded(resp)+`}`))
pp++
}
}
if pp > 0 {
out, _ = sjson.SetRawBytes(out, "contents.-1", toolNode)
}
}
}
}
}
}
// tools -> tools[0].functionDeclarations
tools := gjson.GetBytes(rawJSON, "tools")
if tools.IsArray() && len(tools.Array()) > 0 {
out, _ = sjson.SetRawBytes(out, "tools", []byte(`[{"functionDeclarations":[]}]`))
fdPath := "tools.0.functionDeclarations"
for _, t := range tools.Array() {
if t.Get("type").String() == "function" {
fn := t.Get("function")
if fn.Exists() && fn.IsObject() {
out, _ = sjson.SetRawBytes(out, fdPath+".-1", []byte(fn.Raw))
}
}
}
}
var pathsToType []string
root := gjson.ParseBytes(out)
util.Walk(root, "", "type", &pathsToType)
for _, p := range pathsToType {
typeResult := gjson.GetBytes(out, p)
if strings.ToLower(typeResult.String()) == "select" {
out, _ = sjson.SetBytes(out, p, "STRING")
}
}
return out
}
// itoa converts int to string without strconv import for few usages.
func itoa(i int) string { return fmt.Sprintf("%d", i) }
// quoteIfNeeded ensures a string is valid JSON value (quotes plain text), pass-through for JSON objects/arrays.
func quoteIfNeeded(s string) string {
s = strings.TrimSpace(s)
if s == "" {
return "\"\""
}
if len(s) > 0 && (s[0] == '{' || s[0] == '[') {
return s
}
// escape quotes minimally
s = strings.ReplaceAll(s, "\\", "\\\\")
s = strings.ReplaceAll(s, "\"", "\\\"")
return "\"" + s + "\""
}

294
internal/translator/gemini/openai/chat-completions/gemini_openai_response.go Normal file
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// Package openai provides response translation functionality for Gemini to OpenAI API compatibility.
// This package handles the conversion of Gemini API responses into OpenAI Chat Completions-compatible
// JSON format, transforming streaming events and non-streaming responses into the format
// expected by OpenAI API clients. It supports both streaming and non-streaming modes,
// handling text content, tool calls, reasoning content, and usage metadata appropriately.
package chat_completions
import (
"bytes"
"context"
"encoding/json"
"fmt"
"time"
"github.com/tidwall/gjson"
"github.com/tidwall/sjson"
)
// convertGeminiResponseToOpenAIChatParams holds parameters for response conversion.
type convertGeminiResponseToOpenAIChatParams struct {
UnixTimestamp int64
}
// ConvertGeminiResponseToOpenAI translates a single chunk of a streaming response from the
// Gemini API format to the OpenAI Chat Completions streaming format.
// It processes various Gemini event types and transforms them into OpenAI-compatible JSON responses.
// The function handles text content, tool calls, reasoning content, and usage metadata, outputting
// responses that match the OpenAI API format. It supports incremental updates for streaming responses.
//
// Parameters:
// - ctx: The context for the request, used for cancellation and timeout handling
// - modelName: The name of the model being used for the response (unused in current implementation)
// - rawJSON: The raw JSON response from the Gemini API
// - param: A pointer to a parameter object for maintaining state between calls
//
// Returns:
// - []string: A slice of strings, each containing an OpenAI-compatible JSON response
func ConvertGeminiResponseToOpenAI(_ context.Context, _ string, originalRequestRawJSON, requestRawJSON, rawJSON []byte, param *any) []string {
if *param == nil {
*param = &convertGeminiResponseToOpenAIChatParams{
UnixTimestamp: 0,
}
}
if bytes.HasPrefix(rawJSON, []byte("data:")) {
rawJSON = bytes.TrimSpace(rawJSON[5:])
}
if bytes.Equal(rawJSON, []byte("[DONE]")) {
return []string{}
}
// Initialize the OpenAI SSE template.
template := `{"id":"","object":"chat.completion.chunk","created":12345,"model":"model","choices":[{"index":0,"delta":{"role":null,"content":null,"reasoning_content":null,"tool_calls":null},"finish_reason":null,"native_finish_reason":null}]}`
// Extract and set the model version.
if modelVersionResult := gjson.GetBytes(rawJSON, "modelVersion"); modelVersionResult.Exists() {
template, _ = sjson.Set(template, "model", modelVersionResult.String())
}
// Extract and set the creation timestamp.
if createTimeResult := gjson.GetBytes(rawJSON, "createTime"); createTimeResult.Exists() {
t, err := time.Parse(time.RFC3339Nano, createTimeResult.String())
if err == nil {
(*param).(*convertGeminiResponseToOpenAIChatParams).UnixTimestamp = t.Unix()
}
template, _ = sjson.Set(template, "created", (*param).(*convertGeminiResponseToOpenAIChatParams).UnixTimestamp)
} else {
template, _ = sjson.Set(template, "created", (*param).(*convertGeminiResponseToOpenAIChatParams).UnixTimestamp)
}
// Extract and set the response ID.
if responseIDResult := gjson.GetBytes(rawJSON, "responseId"); responseIDResult.Exists() {
template, _ = sjson.Set(template, "id", responseIDResult.String())
}
// Extract and set the finish reason.
if finishReasonResult := gjson.GetBytes(rawJSON, "candidates.0.finishReason"); finishReasonResult.Exists() {
template, _ = sjson.Set(template, "choices.0.finish_reason", finishReasonResult.String())
template, _ = sjson.Set(template, "choices.0.native_finish_reason", finishReasonResult.String())
}
// Extract and set usage metadata (token counts).
if usageResult := gjson.GetBytes(rawJSON, "usageMetadata"); usageResult.Exists() {
if candidatesTokenCountResult := usageResult.Get("candidatesTokenCount"); candidatesTokenCountResult.Exists() {
template, _ = sjson.Set(template, "usage.completion_tokens", candidatesTokenCountResult.Int())
}
if totalTokenCountResult := usageResult.Get("totalTokenCount"); totalTokenCountResult.Exists() {
template, _ = sjson.Set(template, "usage.total_tokens", totalTokenCountResult.Int())
}
promptTokenCount := usageResult.Get("promptTokenCount").Int()
thoughtsTokenCount := usageResult.Get("thoughtsTokenCount").Int()
template, _ = sjson.Set(template, "usage.prompt_tokens", promptTokenCount+thoughtsTokenCount)
if thoughtsTokenCount > 0 {
template, _ = sjson.Set(template, "usage.completion_tokens_details.reasoning_tokens", thoughtsTokenCount)
}
}
// Process the main content part of the response.
partsResult := gjson.GetBytes(rawJSON, "candidates.0.content.parts")
if partsResult.IsArray() {
partResults := partsResult.Array()
for i := 0; i < len(partResults); i++ {
partResult := partResults[i]
partTextResult := partResult.Get("text")
functionCallResult := partResult.Get("functionCall")
inlineDataResult := partResult.Get("inlineData")
if !inlineDataResult.Exists() {
inlineDataResult = partResult.Get("inline_data")
}
if partTextResult.Exists() {
// Handle text content, distinguishing between regular content and reasoning/thoughts.
if partResult.Get("thought").Bool() {
template, _ = sjson.Set(template, "choices.0.delta.reasoning_content", partTextResult.String())
} else {
template, _ = sjson.Set(template, "choices.0.delta.content", partTextResult.String())
}
template, _ = sjson.Set(template, "choices.0.delta.role", "assistant")
} else if functionCallResult.Exists() {
// Handle function call content.
toolCallsResult := gjson.Get(template, "choices.0.delta.tool_calls")
if !toolCallsResult.Exists() || !toolCallsResult.IsArray() {
template, _ = sjson.SetRaw(template, "choices.0.delta.tool_calls", `[]`)
}
functionCallTemplate := `{"id": "","type": "function","function": {"name": "","arguments": ""}}`
fcName := functionCallResult.Get("name").String()
functionCallTemplate, _ = sjson.Set(functionCallTemplate, "id", fmt.Sprintf("%s-%d", fcName, time.Now().UnixNano()))
functionCallTemplate, _ = sjson.Set(functionCallTemplate, "function.name", fcName)
if fcArgsResult := functionCallResult.Get("args"); fcArgsResult.Exists() {
functionCallTemplate, _ = sjson.Set(functionCallTemplate, "function.arguments", fcArgsResult.Raw)
}
template, _ = sjson.Set(template, "choices.0.delta.role", "assistant")
template, _ = sjson.SetRaw(template, "choices.0.delta.tool_calls.-1", functionCallTemplate)
} else if inlineDataResult.Exists() {
data := inlineDataResult.Get("data").String()
if data == "" {
continue
}
mimeType := inlineDataResult.Get("mimeType").String()
if mimeType == "" {
mimeType = inlineDataResult.Get("mime_type").String()
}
if mimeType == "" {
mimeType = "image/png"
}
imageURL := fmt.Sprintf("data:%s;base64,%s", mimeType, data)
imagePayload, err := json.Marshal(map[string]any{
"type": "image_url",
"image_url": map[string]string{
"url": imageURL,
},
})
if err != nil {
continue
}
imagesResult := gjson.Get(template, "choices.0.delta.images")
if !imagesResult.Exists() || !imagesResult.IsArray() {
template, _ = sjson.SetRaw(template, "choices.0.delta.images", `[]`)
}
template, _ = sjson.Set(template, "choices.0.delta.role", "assistant")
template, _ = sjson.SetRaw(template, "choices.0.delta.images.-1", string(imagePayload))
}
}
}
return []string{template}
}
// ConvertGeminiResponseToOpenAINonStream converts a non-streaming Gemini response to a non-streaming OpenAI response.
// This function processes the complete Gemini response and transforms it into a single OpenAI-compatible
// JSON response. It handles message content, tool calls, reasoning content, and usage metadata, combining all
// the information into a single response that matches the OpenAI API format.
//
// Parameters:
// - ctx: The context for the request, used for cancellation and timeout handling
// - modelName: The name of the model being used for the response (unused in current implementation)
// - rawJSON: The raw JSON response from the Gemini API
// - param: A pointer to a parameter object for the conversion (unused in current implementation)
//
// Returns:
// - string: An OpenAI-compatible JSON response containing all message content and metadata
func ConvertGeminiResponseToOpenAINonStream(_ context.Context, _ string, originalRequestRawJSON, requestRawJSON, rawJSON []byte, _ *any) string {
var unixTimestamp int64
template := `{"id":"","object":"chat.completion","created":123456,"model":"model","choices":[{"index":0,"message":{"role":"assistant","content":null,"reasoning_content":null,"tool_calls":null},"finish_reason":null,"native_finish_reason":null}]}`
if modelVersionResult := gjson.GetBytes(rawJSON, "modelVersion"); modelVersionResult.Exists() {
template, _ = sjson.Set(template, "model", modelVersionResult.String())
}
if createTimeResult := gjson.GetBytes(rawJSON, "createTime"); createTimeResult.Exists() {
t, err := time.Parse(time.RFC3339Nano, createTimeResult.String())
if err == nil {
unixTimestamp = t.Unix()
}
template, _ = sjson.Set(template, "created", unixTimestamp)
} else {
template, _ = sjson.Set(template, "created", unixTimestamp)
}
if responseIDResult := gjson.GetBytes(rawJSON, "responseId"); responseIDResult.Exists() {
template, _ = sjson.Set(template, "id", responseIDResult.String())
}
if finishReasonResult := gjson.GetBytes(rawJSON, "candidates.0.finishReason"); finishReasonResult.Exists() {
template, _ = sjson.Set(template, "choices.0.finish_reason", finishReasonResult.String())
template, _ = sjson.Set(template, "choices.0.native_finish_reason", finishReasonResult.String())
}
if usageResult := gjson.GetBytes(rawJSON, "usageMetadata"); usageResult.Exists() {
if candidatesTokenCountResult := usageResult.Get("candidatesTokenCount"); candidatesTokenCountResult.Exists() {
template, _ = sjson.Set(template, "usage.completion_tokens", candidatesTokenCountResult.Int())
}
if totalTokenCountResult := usageResult.Get("totalTokenCount"); totalTokenCountResult.Exists() {
template, _ = sjson.Set(template, "usage.total_tokens", totalTokenCountResult.Int())
}
promptTokenCount := usageResult.Get("promptTokenCount").Int()
thoughtsTokenCount := usageResult.Get("thoughtsTokenCount").Int()
template, _ = sjson.Set(template, "usage.prompt_tokens", promptTokenCount+thoughtsTokenCount)
if thoughtsTokenCount > 0 {
template, _ = sjson.Set(template, "usage.completion_tokens_details.reasoning_tokens", thoughtsTokenCount)
}
}
// Process the main content part of the response.
partsResult := gjson.GetBytes(rawJSON, "candidates.0.content.parts")
if partsResult.IsArray() {
partsResults := partsResult.Array()
for i := 0; i < len(partsResults); i++ {
partResult := partsResults[i]
partTextResult := partResult.Get("text")
functionCallResult := partResult.Get("functionCall")
inlineDataResult := partResult.Get("inlineData")
if !inlineDataResult.Exists() {
inlineDataResult = partResult.Get("inline_data")
}
if partTextResult.Exists() {
// Append text content, distinguishing between regular content and reasoning.
if partResult.Get("thought").Bool() {
template, _ = sjson.Set(template, "choices.0.message.reasoning_content", partTextResult.String())
} else {
template, _ = sjson.Set(template, "choices.0.message.content", partTextResult.String())
}
template, _ = sjson.Set(template, "choices.0.message.role", "assistant")
} else if functionCallResult.Exists() {
// Append function call content to the tool_calls array.
toolCallsResult := gjson.Get(template, "choices.0.message.tool_calls")
if !toolCallsResult.Exists() || !toolCallsResult.IsArray() {
template, _ = sjson.SetRaw(template, "choices.0.message.tool_calls", `[]`)
}
functionCallItemTemplate := `{"id": "","type": "function","function": {"name": "","arguments": ""}}`
fcName := functionCallResult.Get("name").String()
functionCallItemTemplate, _ = sjson.Set(functionCallItemTemplate, "id", fmt.Sprintf("%s-%d", fcName, time.Now().UnixNano()))
functionCallItemTemplate, _ = sjson.Set(functionCallItemTemplate, "function.name", fcName)
if fcArgsResult := functionCallResult.Get("args"); fcArgsResult.Exists() {
functionCallItemTemplate, _ = sjson.Set(functionCallItemTemplate, "function.arguments", fcArgsResult.Raw)
}
template, _ = sjson.Set(template, "choices.0.message.role", "assistant")
template, _ = sjson.SetRaw(template, "choices.0.message.tool_calls.-1", functionCallItemTemplate)
} else if inlineDataResult.Exists() {
data := inlineDataResult.Get("data").String()
if data == "" {
continue
}
mimeType := inlineDataResult.Get("mimeType").String()
if mimeType == "" {
mimeType = inlineDataResult.Get("mime_type").String()
}
if mimeType == "" {
mimeType = "image/png"
}
imageURL := fmt.Sprintf("data:%s;base64,%s", mimeType, data)
imagePayload, err := json.Marshal(map[string]any{
"type": "image_url",
"image_url": map[string]string{
"url": imageURL,
},
})
if err != nil {
continue
}
imagesResult := gjson.Get(template, "choices.0.message.images")
if !imagesResult.Exists() || !imagesResult.IsArray() {
template, _ = sjson.SetRaw(template, "choices.0.message.images", `[]`)
}
template, _ = sjson.Set(template, "choices.0.message.role", "assistant")
template, _ = sjson.SetRaw(template, "choices.0.message.images.-1", string(imagePayload))
}
}
}
return template
}

19
internal/translator/gemini/openai/chat-completions/init.go Normal file
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package chat_completions
import (
. "github.com/router-for-me/CLIProxyAPI/v6/internal/constant"
"github.com/router-for-me/CLIProxyAPI/v6/internal/interfaces"
"github.com/router-for-me/CLIProxyAPI/v6/internal/translator/translator"
)
func init() {
translator.Register(
OpenAI,
Gemini,
ConvertOpenAIRequestToGemini,
interfaces.TranslateResponse{
Stream: ConvertGeminiResponseToOpenAI,
NonStream: ConvertGeminiResponseToOpenAINonStream,
},
)
}

266
internal/translator/gemini/openai/responses/gemini_openai-responses_request.go Normal file
View File

@@ -0,0 +1,266 @@
package responses
import (
"bytes"
"strings"
"github.com/tidwall/gjson"
"github.com/tidwall/sjson"
)
func ConvertOpenAIResponsesRequestToGemini(modelName string, inputRawJSON []byte, stream bool) []byte {
rawJSON := bytes.Clone(inputRawJSON)
// Note: modelName and stream parameters are part of the fixed method signature
_ = modelName // Unused but required by interface
_ = stream // Unused but required by interface
// Base Gemini API template
out := `{"contents":[],"generationConfig":{"thinkingConfig":{"include_thoughts":true}}}`
root := gjson.ParseBytes(rawJSON)
// Extract system instruction from OpenAI "instructions" field
if instructions := root.Get("instructions"); instructions.Exists() {
systemInstr := `{"parts":[{"text":""}]}`
systemInstr, _ = sjson.Set(systemInstr, "parts.0.text", instructions.String())
out, _ = sjson.SetRaw(out, "system_instruction", systemInstr)
}
// Convert input messages to Gemini contents format
if input := root.Get("input"); input.Exists() && input.IsArray() {
input.ForEach(func(_, item gjson.Result) bool {
itemType := item.Get("type").String()
itemRole := item.Get("role").String()
if itemType == "" && itemRole != "" {
itemType = "message"
}
switch itemType {
case "message":
if strings.EqualFold(itemRole, "system") {
if contentArray := item.Get("content"); contentArray.Exists() && contentArray.IsArray() {
var builder strings.Builder
contentArray.ForEach(func(_, contentItem gjson.Result) bool {
text := contentItem.Get("text").String()
if builder.Len() > 0 && text != "" {
builder.WriteByte('\n')
}
builder.WriteString(text)
return true
})
if !gjson.Get(out, "system_instruction").Exists() {
systemInstr := `{"parts":[{"text":""}]}`
systemInstr, _ = sjson.Set(systemInstr, "parts.0.text", builder.String())
out, _ = sjson.SetRaw(out, "system_instruction", systemInstr)
}
}
return true
}
// Handle regular messages
// Note: In Responses format, model outputs may appear as content items with type "output_text"
// even when the message.role is "user". We split such items into distinct Gemini messages
// with roles derived from the content type to match docs/convert-2.md.
if contentArray := item.Get("content"); contentArray.Exists() && contentArray.IsArray() {
contentArray.ForEach(func(_, contentItem gjson.Result) bool {
contentType := contentItem.Get("type").String()
if contentType == "" {
contentType = "input_text"
}
switch contentType {
case "input_text", "output_text":
if text := contentItem.Get("text"); text.Exists() {
effRole := "user"
if itemRole != "" {
switch strings.ToLower(itemRole) {
case "assistant", "model":
effRole = "model"
default:
effRole = strings.ToLower(itemRole)
}
}
if contentType == "output_text" {
effRole = "model"
}
if effRole == "assistant" {
effRole = "model"
}
one := `{"role":"","parts":[]}`
one, _ = sjson.Set(one, "role", effRole)
textPart := `{"text":""}`
textPart, _ = sjson.Set(textPart, "text", text.String())
one, _ = sjson.SetRaw(one, "parts.-1", textPart)
out, _ = sjson.SetRaw(out, "contents.-1", one)
}
}
return true
})
}
case "function_call":
// Handle function calls - convert to model message with functionCall
name := item.Get("name").String()
arguments := item.Get("arguments").String()
modelContent := `{"role":"model","parts":[]}`
functionCall := `{"functionCall":{"name":"","args":{}}}`
functionCall, _ = sjson.Set(functionCall, "functionCall.name", name)
// Parse arguments JSON string and set as args object
if arguments != "" {
argsResult := gjson.Parse(arguments)
functionCall, _ = sjson.SetRaw(functionCall, "functionCall.args", argsResult.Raw)
}
modelContent, _ = sjson.SetRaw(modelContent, "parts.-1", functionCall)
out, _ = sjson.SetRaw(out, "contents.-1", modelContent)
case "function_call_output":
// Handle function call outputs - convert to function message with functionResponse
callID := item.Get("call_id").String()
output := item.Get("output").String()
functionContent := `{"role":"function","parts":[]}`
functionResponse := `{"functionResponse":{"name":"","response":{}}}`
// We need to extract the function name from the previous function_call
// For now, we'll use a placeholder or extract from context if available
functionName := "unknown" // This should ideally be matched with the corresponding function_call
// Find the corresponding function call name by matching call_id
// We need to look back through the input array to find the matching call
if inputArray := root.Get("input"); inputArray.Exists() && inputArray.IsArray() {
inputArray.ForEach(func(_, prevItem gjson.Result) bool {
if prevItem.Get("type").String() == "function_call" && prevItem.Get("call_id").String() == callID {
functionName = prevItem.Get("name").String()
return false // Stop iteration
}
return true
})
}
functionResponse, _ = sjson.Set(functionResponse, "functionResponse.name", functionName)
// Also set response.name to align with docs/convert-2.md
functionResponse, _ = sjson.Set(functionResponse, "functionResponse.response.name", functionName)
// Parse output JSON string and set as response content
if output != "" {
outputResult := gjson.Parse(output)
if outputResult.IsObject() {
functionResponse, _ = sjson.SetRaw(functionResponse, "functionResponse.response.content", outputResult.String())
} else {
functionResponse, _ = sjson.Set(functionResponse, "functionResponse.response.content", outputResult.String())
}
}
functionContent, _ = sjson.SetRaw(functionContent, "parts.-1", functionResponse)
out, _ = sjson.SetRaw(out, "contents.-1", functionContent)
}
return true
})
}
// Convert tools to Gemini functionDeclarations format
if tools := root.Get("tools"); tools.Exists() && tools.IsArray() {
geminiTools := `[{"functionDeclarations":[]}]`
tools.ForEach(func(_, tool gjson.Result) bool {
if tool.Get("type").String() == "function" {
funcDecl := `{"name":"","description":"","parameters":{}}`
if name := tool.Get("name"); name.Exists() {
funcDecl, _ = sjson.Set(funcDecl, "name", name.String())
}
if desc := tool.Get("description"); desc.Exists() {
funcDecl, _ = sjson.Set(funcDecl, "description", desc.String())
}
if params := tool.Get("parameters"); params.Exists() {
// Convert parameter types from OpenAI format to Gemini format
cleaned := params.Raw
// Convert type values to uppercase for Gemini
paramsResult := gjson.Parse(cleaned)
if properties := paramsResult.Get("properties"); properties.Exists() {
properties.ForEach(func(key, value gjson.Result) bool {
if propType := value.Get("type"); propType.Exists() {
upperType := strings.ToUpper(propType.String())
cleaned, _ = sjson.Set(cleaned, "properties."+key.String()+".type", upperType)
}
return true
})
}
// Set the overall type to OBJECT
cleaned, _ = sjson.Set(cleaned, "type", "OBJECT")
funcDecl, _ = sjson.SetRaw(funcDecl, "parameters", cleaned)
}
geminiTools, _ = sjson.SetRaw(geminiTools, "0.functionDeclarations.-1", funcDecl)
}
return true
})
// Only add tools if there are function declarations
if funcDecls := gjson.Get(geminiTools, "0.functionDeclarations"); funcDecls.Exists() && len(funcDecls.Array()) > 0 {
out, _ = sjson.SetRaw(out, "tools", geminiTools)
}
}
// Handle generation config from OpenAI format
if maxOutputTokens := root.Get("max_output_tokens"); maxOutputTokens.Exists() {
genConfig := `{"maxOutputTokens":0}`
genConfig, _ = sjson.Set(genConfig, "maxOutputTokens", maxOutputTokens.Int())
out, _ = sjson.SetRaw(out, "generationConfig", genConfig)
}
// Handle temperature if present
if temperature := root.Get("temperature"); temperature.Exists() {
if !gjson.Get(out, "generationConfig").Exists() {
out, _ = sjson.SetRaw(out, "generationConfig", `{}`)
}
out, _ = sjson.Set(out, "generationConfig.temperature", temperature.Float())
}
// Handle top_p if present
if topP := root.Get("top_p"); topP.Exists() {
if !gjson.Get(out, "generationConfig").Exists() {
out, _ = sjson.SetRaw(out, "generationConfig", `{}`)
}
out, _ = sjson.Set(out, "generationConfig.topP", topP.Float())
}
// Handle stop sequences
if stopSequences := root.Get("stop_sequences"); stopSequences.Exists() && stopSequences.IsArray() {
if !gjson.Get(out, "generationConfig").Exists() {
out, _ = sjson.SetRaw(out, "generationConfig", `{}`)
}
var sequences []string
stopSequences.ForEach(func(_, seq gjson.Result) bool {
sequences = append(sequences, seq.String())
return true
})
out, _ = sjson.Set(out, "generationConfig.stopSequences", sequences)
}
if reasoningEffort := root.Get("reasoning.effort"); reasoningEffort.Exists() {
switch reasoningEffort.String() {
case "none":
out, _ = sjson.Set(out, "generationConfig.thinkingConfig.include_thoughts", false)
out, _ = sjson.Set(out, "generationConfig.thinkingConfig.thinkingBudget", 0)
case "auto":
out, _ = sjson.Set(out, "generationConfig.thinkingConfig.thinkingBudget", -1)
case "minimal":
out, _ = sjson.Set(out, "generationConfig.thinkingConfig.thinkingBudget", 1024)
case "low":
out, _ = sjson.Set(out, "generationConfig.thinkingConfig.thinkingBudget", 4096)
case "medium":
out, _ = sjson.Set(out, "generationConfig.thinkingConfig.thinkingBudget", 8192)
case "high":
out, _ = sjson.Set(out, "generationConfig.thinkingConfig.thinkingBudget", 24576)
default:
out, _ = sjson.Set(out, "generationConfig.thinkingConfig.thinkingBudget", -1)
}
}
return []byte(out)
}

625
internal/translator/gemini/openai/responses/gemini_openai-responses_response.go Normal file
View File

@@ -0,0 +1,625 @@
package responses
import (
"bytes"
"context"
"fmt"
"strings"
"time"
"github.com/tidwall/gjson"
"github.com/tidwall/sjson"
)
type geminiToResponsesState struct {
Seq int
ResponseID string
CreatedAt int64
Started bool
// message aggregation
MsgOpened bool
MsgIndex int
CurrentMsgID string
TextBuf strings.Builder
// reasoning aggregation
ReasoningOpened bool
ReasoningIndex int
ReasoningItemID string
ReasoningBuf strings.Builder
ReasoningClosed bool
// function call aggregation (keyed by output_index)
NextIndex int
FuncArgsBuf map[int]*strings.Builder
FuncNames map[int]string
FuncCallIDs map[int]string
}
func emitEvent(event string, payload string) string {
return fmt.Sprintf("event: %s\ndata: %s", event, payload)
}
// ConvertGeminiResponseToOpenAIResponses converts Gemini SSE chunks into OpenAI Responses SSE events.
func ConvertGeminiResponseToOpenAIResponses(_ context.Context, modelName string, originalRequestRawJSON, requestRawJSON, rawJSON []byte, param *any) []string {
if *param == nil {
*param = &geminiToResponsesState{
FuncArgsBuf: make(map[int]*strings.Builder),
FuncNames: make(map[int]string),
FuncCallIDs: make(map[int]string),
}
}
st := (*param).(*geminiToResponsesState)
if bytes.HasPrefix(rawJSON, []byte("data:")) {
rawJSON = bytes.TrimSpace(rawJSON[5:])
}
root := gjson.ParseBytes(rawJSON)
if !root.Exists() {
return []string{}
}
var out []string
nextSeq := func() int { st.Seq++; return st.Seq }
// Helper to finalize reasoning summary events in correct order.
// It emits response.reasoning_summary_text.done followed by
// response.reasoning_summary_part.done exactly once.
finalizeReasoning := func() {
if !st.ReasoningOpened || st.ReasoningClosed {
return
}
full := st.ReasoningBuf.String()
textDone := `{"type":"response.reasoning_summary_text.done","sequence_number":0,"item_id":"","output_index":0,"summary_index":0,"text":""}`
textDone, _ = sjson.Set(textDone, "sequence_number", nextSeq())
textDone, _ = sjson.Set(textDone, "item_id", st.ReasoningItemID)
textDone, _ = sjson.Set(textDone, "output_index", st.ReasoningIndex)
textDone, _ = sjson.Set(textDone, "text", full)
out = append(out, emitEvent("response.reasoning_summary_text.done", textDone))
partDone := `{"type":"response.reasoning_summary_part.done","sequence_number":0,"item_id":"","output_index":0,"summary_index":0,"part":{"type":"summary_text","text":""}}`
partDone, _ = sjson.Set(partDone, "sequence_number", nextSeq())
partDone, _ = sjson.Set(partDone, "item_id", st.ReasoningItemID)
partDone, _ = sjson.Set(partDone, "output_index", st.ReasoningIndex)
partDone, _ = sjson.Set(partDone, "part.text", full)
out = append(out, emitEvent("response.reasoning_summary_part.done", partDone))
st.ReasoningClosed = true
}
// Initialize per-response fields and emit created/in_progress once
if !st.Started {
if v := root.Get("responseId"); v.Exists() {
st.ResponseID = v.String()
}
if v := root.Get("createTime"); v.Exists() {
if t, err := time.Parse(time.RFC3339Nano, v.String()); err == nil {
st.CreatedAt = t.Unix()
}
}
if st.CreatedAt == 0 {
st.CreatedAt = time.Now().Unix()
}
created := `{"type":"response.created","sequence_number":0,"response":{"id":"","object":"response","created_at":0,"status":"in_progress","background":false,"error":null}}`
created, _ = sjson.Set(created, "sequence_number", nextSeq())
created, _ = sjson.Set(created, "response.id", st.ResponseID)
created, _ = sjson.Set(created, "response.created_at", st.CreatedAt)
out = append(out, emitEvent("response.created", created))
inprog := `{"type":"response.in_progress","sequence_number":0,"response":{"id":"","object":"response","created_at":0,"status":"in_progress"}}`
inprog, _ = sjson.Set(inprog, "sequence_number", nextSeq())
inprog, _ = sjson.Set(inprog, "response.id", st.ResponseID)
inprog, _ = sjson.Set(inprog, "response.created_at", st.CreatedAt)
out = append(out, emitEvent("response.in_progress", inprog))
st.Started = true
st.NextIndex = 0
}
// Handle parts (text/thought/functionCall)
if parts := root.Get("candidates.0.content.parts"); parts.Exists() && parts.IsArray() {
parts.ForEach(func(_, part gjson.Result) bool {
// Reasoning text
if part.Get("thought").Bool() {
if st.ReasoningClosed {
// Ignore any late thought chunks after reasoning is finalized.
return true
}
if !st.ReasoningOpened {
st.ReasoningOpened = true
st.ReasoningIndex = st.NextIndex
st.NextIndex++
st.ReasoningItemID = fmt.Sprintf("rs_%s_%d", st.ResponseID, st.ReasoningIndex)
item := `{"type":"response.output_item.added","sequence_number":0,"output_index":0,"item":{"id":"","type":"reasoning","status":"in_progress","summary":[]}}`
item, _ = sjson.Set(item, "sequence_number", nextSeq())
item, _ = sjson.Set(item, "output_index", st.ReasoningIndex)
item, _ = sjson.Set(item, "item.id", st.ReasoningItemID)
out = append(out, emitEvent("response.output_item.added", item))
partAdded := `{"type":"response.reasoning_summary_part.added","sequence_number":0,"item_id":"","output_index":0,"summary_index":0,"part":{"type":"summary_text","text":""}}`
partAdded, _ = sjson.Set(partAdded, "sequence_number", nextSeq())
partAdded, _ = sjson.Set(partAdded, "item_id", st.ReasoningItemID)
partAdded, _ = sjson.Set(partAdded, "output_index", st.ReasoningIndex)
out = append(out, emitEvent("response.reasoning_summary_part.added", partAdded))
}
if t := part.Get("text"); t.Exists() && t.String() != "" {
st.ReasoningBuf.WriteString(t.String())
msg := `{"type":"response.reasoning_summary_text.delta","sequence_number":0,"item_id":"","output_index":0,"summary_index":0,"text":""}`
msg, _ = sjson.Set(msg, "sequence_number", nextSeq())
msg, _ = sjson.Set(msg, "item_id", st.ReasoningItemID)
msg, _ = sjson.Set(msg, "output_index", st.ReasoningIndex)
msg, _ = sjson.Set(msg, "text", t.String())
out = append(out, emitEvent("response.reasoning_summary_text.delta", msg))
}
return true
}
// Assistant visible text
if t := part.Get("text"); t.Exists() && t.String() != "" {
// Before emitting non-reasoning outputs, finalize reasoning if open.
finalizeReasoning()
if !st.MsgOpened {
st.MsgOpened = true
st.MsgIndex = st.NextIndex
st.NextIndex++
st.CurrentMsgID = fmt.Sprintf("msg_%s_0", st.ResponseID)
item := `{"type":"response.output_item.added","sequence_number":0,"output_index":0,"item":{"id":"","type":"message","status":"in_progress","content":[],"role":"assistant"}}`
item, _ = sjson.Set(item, "sequence_number", nextSeq())
item, _ = sjson.Set(item, "output_index", st.MsgIndex)
item, _ = sjson.Set(item, "item.id", st.CurrentMsgID)
out = append(out, emitEvent("response.output_item.added", item))
partAdded := `{"type":"response.content_part.added","sequence_number":0,"item_id":"","output_index":0,"content_index":0,"part":{"type":"output_text","annotations":[],"logprobs":[],"text":""}}`
partAdded, _ = sjson.Set(partAdded, "sequence_number", nextSeq())
partAdded, _ = sjson.Set(partAdded, "item_id", st.CurrentMsgID)
partAdded, _ = sjson.Set(partAdded, "output_index", st.MsgIndex)
out = append(out, emitEvent("response.content_part.added", partAdded))
}
st.TextBuf.WriteString(t.String())
msg := `{"type":"response.output_text.delta","sequence_number":0,"item_id":"","output_index":0,"content_index":0,"delta":"","logprobs":[]}`
msg, _ = sjson.Set(msg, "sequence_number", nextSeq())
msg, _ = sjson.Set(msg, "item_id", st.CurrentMsgID)
msg, _ = sjson.Set(msg, "output_index", st.MsgIndex)
msg, _ = sjson.Set(msg, "delta", t.String())
out = append(out, emitEvent("response.output_text.delta", msg))
return true
}
// Function call
if fc := part.Get("functionCall"); fc.Exists() {
// Before emitting function-call outputs, finalize reasoning if open.
finalizeReasoning()
name := fc.Get("name").String()
idx := st.NextIndex
st.NextIndex++
// Ensure buffers
if st.FuncArgsBuf[idx] == nil {
st.FuncArgsBuf[idx] = &strings.Builder{}
}
if st.FuncCallIDs[idx] == "" {
st.FuncCallIDs[idx] = fmt.Sprintf("call_%d", time.Now().UnixNano())
}
st.FuncNames[idx] = name
// Emit item.added for function call
item := `{"type":"response.output_item.added","sequence_number":0,"output_index":0,"item":{"id":"","type":"function_call","status":"in_progress","arguments":"","call_id":"","name":""}}`
item, _ = sjson.Set(item, "sequence_number", nextSeq())
item, _ = sjson.Set(item, "output_index", idx)
item, _ = sjson.Set(item, "item.id", fmt.Sprintf("fc_%s", st.FuncCallIDs[idx]))
item, _ = sjson.Set(item, "item.call_id", st.FuncCallIDs[idx])
item, _ = sjson.Set(item, "item.name", name)
out = append(out, emitEvent("response.output_item.added", item))
// Emit arguments delta (full args in one chunk)
if args := fc.Get("args"); args.Exists() {
argsJSON := args.Raw
st.FuncArgsBuf[idx].WriteString(argsJSON)
ad := `{"type":"response.function_call_arguments.delta","sequence_number":0,"item_id":"","output_index":0,"delta":""}`
ad, _ = sjson.Set(ad, "sequence_number", nextSeq())
ad, _ = sjson.Set(ad, "item_id", fmt.Sprintf("fc_%s", st.FuncCallIDs[idx]))
ad, _ = sjson.Set(ad, "output_index", idx)
ad, _ = sjson.Set(ad, "delta", argsJSON)
out = append(out, emitEvent("response.function_call_arguments.delta", ad))
}
return true
}
return true
})
}
// Finalization on finishReason
if fr := root.Get("candidates.0.finishReason"); fr.Exists() && fr.String() != "" {
// Finalize reasoning first to keep ordering tight with last delta
finalizeReasoning()
// Close message output if opened
if st.MsgOpened {
done := `{"type":"response.output_text.done","sequence_number":0,"item_id":"","output_index":0,"content_index":0,"text":"","logprobs":[]}`
done, _ = sjson.Set(done, "sequence_number", nextSeq())
done, _ = sjson.Set(done, "item_id", st.CurrentMsgID)
done, _ = sjson.Set(done, "output_index", st.MsgIndex)
out = append(out, emitEvent("response.output_text.done", done))
partDone := `{"type":"response.content_part.done","sequence_number":0,"item_id":"","output_index":0,"content_index":0,"part":{"type":"output_text","annotations":[],"logprobs":[],"text":""}}`
partDone, _ = sjson.Set(partDone, "sequence_number", nextSeq())
partDone, _ = sjson.Set(partDone, "item_id", st.CurrentMsgID)
partDone, _ = sjson.Set(partDone, "output_index", st.MsgIndex)
out = append(out, emitEvent("response.content_part.done", partDone))
final := `{"type":"response.output_item.done","sequence_number":0,"output_index":0,"item":{"id":"","type":"message","status":"completed","content":[{"type":"output_text","text":""}],"role":"assistant"}}`
final, _ = sjson.Set(final, "sequence_number", nextSeq())
final, _ = sjson.Set(final, "output_index", st.MsgIndex)
final, _ = sjson.Set(final, "item.id", st.CurrentMsgID)
out = append(out, emitEvent("response.output_item.done", final))
}
// Close function calls
if len(st.FuncArgsBuf) > 0 {
// sort indices (small N); avoid extra imports
idxs := make([]int, 0, len(st.FuncArgsBuf))
for idx := range st.FuncArgsBuf {
idxs = append(idxs, idx)
}
for i := 0; i < len(idxs); i++ {
for j := i + 1; j < len(idxs); j++ {
if idxs[j] < idxs[i] {
idxs[i], idxs[j] = idxs[j], idxs[i]
}
}
}
for _, idx := range idxs {
args := "{}"
if b := st.FuncArgsBuf[idx]; b != nil && b.Len() > 0 {
args = b.String()
}
fcDone := `{"type":"response.function_call_arguments.done","sequence_number":0,"item_id":"","output_index":0,"arguments":""}`
fcDone, _ = sjson.Set(fcDone, "sequence_number", nextSeq())
fcDone, _ = sjson.Set(fcDone, "item_id", fmt.Sprintf("fc_%s", st.FuncCallIDs[idx]))
fcDone, _ = sjson.Set(fcDone, "output_index", idx)
fcDone, _ = sjson.Set(fcDone, "arguments", args)
out = append(out, emitEvent("response.function_call_arguments.done", fcDone))
itemDone := `{"type":"response.output_item.done","sequence_number":0,"output_index":0,"item":{"id":"","type":"function_call","status":"completed","arguments":"","call_id":"","name":""}}`
itemDone, _ = sjson.Set(itemDone, "sequence_number", nextSeq())
itemDone, _ = sjson.Set(itemDone, "output_index", idx)
itemDone, _ = sjson.Set(itemDone, "item.id", fmt.Sprintf("fc_%s", st.FuncCallIDs[idx]))
itemDone, _ = sjson.Set(itemDone, "item.arguments", args)
itemDone, _ = sjson.Set(itemDone, "item.call_id", st.FuncCallIDs[idx])
itemDone, _ = sjson.Set(itemDone, "item.name", st.FuncNames[idx])
out = append(out, emitEvent("response.output_item.done", itemDone))
}
}
// Reasoning already finalized above if present
// Build response.completed with aggregated outputs and request echo fields
completed := `{"type":"response.completed","sequence_number":0,"response":{"id":"","object":"response","created_at":0,"status":"completed","background":false,"error":null}}`
completed, _ = sjson.Set(completed, "sequence_number", nextSeq())
completed, _ = sjson.Set(completed, "response.id", st.ResponseID)
completed, _ = sjson.Set(completed, "response.created_at", st.CreatedAt)
if requestRawJSON != nil {
req := gjson.ParseBytes(requestRawJSON)
if v := req.Get("instructions"); v.Exists() {
completed, _ = sjson.Set(completed, "response.instructions", v.String())
}
if v := req.Get("max_output_tokens"); v.Exists() {
completed, _ = sjson.Set(completed, "response.max_output_tokens", v.Int())
}
if v := req.Get("max_tool_calls"); v.Exists() {
completed, _ = sjson.Set(completed, "response.max_tool_calls", v.Int())
}
if v := req.Get("model"); v.Exists() {
completed, _ = sjson.Set(completed, "response.model", v.String())
}
if v := req.Get("parallel_tool_calls"); v.Exists() {
completed, _ = sjson.Set(completed, "response.parallel_tool_calls", v.Bool())
}
if v := req.Get("previous_response_id"); v.Exists() {
completed, _ = sjson.Set(completed, "response.previous_response_id", v.String())
}
if v := req.Get("prompt_cache_key"); v.Exists() {
completed, _ = sjson.Set(completed, "response.prompt_cache_key", v.String())
}
if v := req.Get("reasoning"); v.Exists() {
completed, _ = sjson.Set(completed, "response.reasoning", v.Value())
}
if v := req.Get("safety_identifier"); v.Exists() {
completed, _ = sjson.Set(completed, "response.safety_identifier", v.String())
}
if v := req.Get("service_tier"); v.Exists() {
completed, _ = sjson.Set(completed, "response.service_tier", v.String())
}
if v := req.Get("store"); v.Exists() {
completed, _ = sjson.Set(completed, "response.store", v.Bool())
}
if v := req.Get("temperature"); v.Exists() {
completed, _ = sjson.Set(completed, "response.temperature", v.Float())
}
if v := req.Get("text"); v.Exists() {
completed, _ = sjson.Set(completed, "response.text", v.Value())
}
if v := req.Get("tool_choice"); v.Exists() {
completed, _ = sjson.Set(completed, "response.tool_choice", v.Value())
}
if v := req.Get("tools"); v.Exists() {
completed, _ = sjson.Set(completed, "response.tools", v.Value())
}
if v := req.Get("top_logprobs"); v.Exists() {
completed, _ = sjson.Set(completed, "response.top_logprobs", v.Int())
}
if v := req.Get("top_p"); v.Exists() {
completed, _ = sjson.Set(completed, "response.top_p", v.Float())
}
if v := req.Get("truncation"); v.Exists() {
completed, _ = sjson.Set(completed, "response.truncation", v.String())
}
if v := req.Get("user"); v.Exists() {
completed, _ = sjson.Set(completed, "response.user", v.Value())
}
if v := req.Get("metadata"); v.Exists() {
completed, _ = sjson.Set(completed, "response.metadata", v.Value())
}
}
// Compose outputs in encountered order: reasoning, message, function_calls
var outputs []interface{}
if st.ReasoningOpened {
outputs = append(outputs, map[string]interface{}{
"id": st.ReasoningItemID,
"type": "reasoning",
"summary": []interface{}{map[string]interface{}{"type": "summary_text", "text": st.ReasoningBuf.String()}},
})
}
if st.MsgOpened {
outputs = append(outputs, map[string]interface{}{
"id": st.CurrentMsgID,
"type": "message",
"status": "completed",
"content": []interface{}{map[string]interface{}{
"type": "output_text",
"annotations": []interface{}{},
"logprobs": []interface{}{},
"text": st.TextBuf.String(),
}},
"role": "assistant",
})
}
if len(st.FuncArgsBuf) > 0 {
idxs := make([]int, 0, len(st.FuncArgsBuf))
for idx := range st.FuncArgsBuf {
idxs = append(idxs, idx)
}
for i := 0; i < len(idxs); i++ {
for j := i + 1; j < len(idxs); j++ {
if idxs[j] < idxs[i] {
idxs[i], idxs[j] = idxs[j], idxs[i]
}
}
}
for _, idx := range idxs {
args := ""
if b := st.FuncArgsBuf[idx]; b != nil {
args = b.String()
}
outputs = append(outputs, map[string]interface{}{
"id": fmt.Sprintf("fc_%s", st.FuncCallIDs[idx]),
"type": "function_call",
"status": "completed",
"arguments": args,
"call_id": st.FuncCallIDs[idx],
"name": st.FuncNames[idx],
})
}
}
if len(outputs) > 0 {
completed, _ = sjson.Set(completed, "response.output", outputs)
}
out = append(out, emitEvent("response.completed", completed))
}
return out
}
// ConvertGeminiResponseToOpenAIResponsesNonStream aggregates Gemini response JSON into a single OpenAI Responses JSON object.
func ConvertGeminiResponseToOpenAIResponsesNonStream(_ context.Context, _ string, originalRequestRawJSON, requestRawJSON, rawJSON []byte, _ *any) string {
root := gjson.ParseBytes(rawJSON)
// Base response scaffold
resp := `{"id":"","object":"response","created_at":0,"status":"completed","background":false,"error":null,"incomplete_details":null}`
// id: prefer provider responseId, otherwise synthesize
id := root.Get("responseId").String()
if id == "" {
id = fmt.Sprintf("resp_%x", time.Now().UnixNano())
}
// Normalize to response-style id (prefix resp_ if missing)
if !strings.HasPrefix(id, "resp_") {
id = fmt.Sprintf("resp_%s", id)
}
resp, _ = sjson.Set(resp, "id", id)
// created_at: map from createTime if available
createdAt := time.Now().Unix()
if v := root.Get("createTime"); v.Exists() {
if t, err := time.Parse(time.RFC3339Nano, v.String()); err == nil {
createdAt = t.Unix()
}
}
resp, _ = sjson.Set(resp, "created_at", createdAt)
// Echo request fields when present; fallback model from response modelVersion
if len(requestRawJSON) > 0 {
req := gjson.ParseBytes(requestRawJSON)
if v := req.Get("instructions"); v.Exists() {
resp, _ = sjson.Set(resp, "instructions", v.String())
}
if v := req.Get("max_output_tokens"); v.Exists() {
resp, _ = sjson.Set(resp, "max_output_tokens", v.Int())
}
if v := req.Get("max_tool_calls"); v.Exists() {
resp, _ = sjson.Set(resp, "max_tool_calls", v.Int())
}
if v := req.Get("model"); v.Exists() {
resp, _ = sjson.Set(resp, "model", v.String())
} else if v = root.Get("modelVersion"); v.Exists() {
resp, _ = sjson.Set(resp, "model", v.String())
}
if v := req.Get("parallel_tool_calls"); v.Exists() {
resp, _ = sjson.Set(resp, "parallel_tool_calls", v.Bool())
}
if v := req.Get("previous_response_id"); v.Exists() {
resp, _ = sjson.Set(resp, "previous_response_id", v.String())
}
if v := req.Get("prompt_cache_key"); v.Exists() {
resp, _ = sjson.Set(resp, "prompt_cache_key", v.String())
}
if v := req.Get("reasoning"); v.Exists() {
resp, _ = sjson.Set(resp, "reasoning", v.Value())
}
if v := req.Get("safety_identifier"); v.Exists() {
resp, _ = sjson.Set(resp, "safety_identifier", v.String())
}
if v := req.Get("service_tier"); v.Exists() {
resp, _ = sjson.Set(resp, "service_tier", v.String())
}
if v := req.Get("store"); v.Exists() {
resp, _ = sjson.Set(resp, "store", v.Bool())
}
if v := req.Get("temperature"); v.Exists() {
resp, _ = sjson.Set(resp, "temperature", v.Float())
}
if v := req.Get("text"); v.Exists() {
resp, _ = sjson.Set(resp, "text", v.Value())
}
if v := req.Get("tool_choice"); v.Exists() {
resp, _ = sjson.Set(resp, "tool_choice", v.Value())
}
if v := req.Get("tools"); v.Exists() {
resp, _ = sjson.Set(resp, "tools", v.Value())
}
if v := req.Get("top_logprobs"); v.Exists() {
resp, _ = sjson.Set(resp, "top_logprobs", v.Int())
}
if v := req.Get("top_p"); v.Exists() {
resp, _ = sjson.Set(resp, "top_p", v.Float())
}
if v := req.Get("truncation"); v.Exists() {
resp, _ = sjson.Set(resp, "truncation", v.String())
}
if v := req.Get("user"); v.Exists() {
resp, _ = sjson.Set(resp, "user", v.Value())
}
if v := req.Get("metadata"); v.Exists() {
resp, _ = sjson.Set(resp, "metadata", v.Value())
}
} else if v := root.Get("modelVersion"); v.Exists() {
resp, _ = sjson.Set(resp, "model", v.String())
}
// Build outputs from candidates[0].content.parts
var outputs []interface{}
var reasoningText strings.Builder
var reasoningEncrypted string
var messageText strings.Builder
var haveMessage bool
if parts := root.Get("candidates.0.content.parts"); parts.Exists() && parts.IsArray() {
parts.ForEach(func(_, p gjson.Result) bool {
if p.Get("thought").Bool() {
if t := p.Get("text"); t.Exists() {
reasoningText.WriteString(t.String())
}
if sig := p.Get("thoughtSignature"); sig.Exists() && sig.String() != "" {
reasoningEncrypted = sig.String()
}
return true
}
if t := p.Get("text"); t.Exists() && t.String() != "" {
messageText.WriteString(t.String())
haveMessage = true
return true
}
if fc := p.Get("functionCall"); fc.Exists() {
name := fc.Get("name").String()
args := fc.Get("args")
callID := fmt.Sprintf("call_%x", time.Now().UnixNano())
outputs = append(outputs, map[string]interface{}{
"id": fmt.Sprintf("fc_%s", callID),
"type": "function_call",
"status": "completed",
"arguments": func() string {
if args.Exists() {
return args.Raw
}
return ""
}(),
"call_id": callID,
"name": name,
})
return true
}
return true
})
}
// Reasoning output item
if reasoningText.Len() > 0 || reasoningEncrypted != "" {
rid := strings.TrimPrefix(id, "resp_")
item := map[string]interface{}{
"id": fmt.Sprintf("rs_%s", rid),
"type": "reasoning",
"encrypted_content": reasoningEncrypted,
}
var summaries []interface{}
if reasoningText.Len() > 0 {
summaries = append(summaries, map[string]interface{}{
"type": "summary_text",
"text": reasoningText.String(),
})
}
if summaries != nil {
item["summary"] = summaries
}
outputs = append(outputs, item)
}
// Assistant message output item
if haveMessage {
outputs = append(outputs, map[string]interface{}{
"id": fmt.Sprintf("msg_%s_0", strings.TrimPrefix(id, "resp_")),
"type": "message",
"status": "completed",
"content": []interface{}{map[string]interface{}{
"type": "output_text",
"annotations": []interface{}{},
"logprobs": []interface{}{},
"text": messageText.String(),
}},
"role": "assistant",
})
}
if len(outputs) > 0 {
resp, _ = sjson.Set(resp, "output", outputs)
}
// usage mapping
if um := root.Get("usageMetadata"); um.Exists() {
// input tokens = prompt + thoughts
input := um.Get("promptTokenCount").Int() + um.Get("thoughtsTokenCount").Int()
resp, _ = sjson.Set(resp, "usage.input_tokens", input)
// cached_tokens not provided by Gemini; default to 0 for structure compatibility
resp, _ = sjson.Set(resp, "usage.input_tokens_details.cached_tokens", 0)
// output tokens
if v := um.Get("candidatesTokenCount"); v.Exists() {
resp, _ = sjson.Set(resp, "usage.output_tokens", v.Int())
}
if v := um.Get("thoughtsTokenCount"); v.Exists() {
resp, _ = sjson.Set(resp, "usage.output_tokens_details.reasoning_tokens", v.Int())
}
if v := um.Get("totalTokenCount"); v.Exists() {
resp, _ = sjson.Set(resp, "usage.total_tokens", v.Int())
}
}
return resp
}

19
internal/translator/gemini/openai/responses/init.go Normal file
View File

@@ -0,0 +1,19 @@
package responses
import (
. "github.com/router-for-me/CLIProxyAPI/v6/internal/constant"
"github.com/router-for-me/CLIProxyAPI/v6/internal/interfaces"
"github.com/router-for-me/CLIProxyAPI/v6/internal/translator/translator"
)
func init() {
translator.Register(
OpenaiResponse,
Gemini,
ConvertOpenAIResponsesRequestToGemini,
interfaces.TranslateResponse{
Stream: ConvertGeminiResponseToOpenAIResponses,
NonStream: ConvertGeminiResponseToOpenAIResponsesNonStream,
},
)
}