coze-studio/backend/crossdomain/impl/singleagent/single_agent.go

243 lines
7.3 KiB
Go

/*
* Copyright 2025 coze-dev Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package agent
import (
"context"
"encoding/json"
"github.com/cloudwego/eino/schema"
"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/agentrun"
"github.com/coze-dev/coze-studio/backend/api/model/crossdomain/message"
model "github.com/coze-dev/coze-studio/backend/api/model/crossdomain/singleagent"
crossagent "github.com/coze-dev/coze-studio/backend/crossdomain/contract/agent"
singleagent "github.com/coze-dev/coze-studio/backend/domain/agent/singleagent/service"
"github.com/coze-dev/coze-studio/backend/domain/conversation/message/entity"
"github.com/coze-dev/coze-studio/backend/infra/contract/imagex"
"github.com/coze-dev/coze-studio/backend/pkg/lang/conv"
"github.com/coze-dev/coze-studio/backend/pkg/lang/slices"
"github.com/coze-dev/coze-studio/backend/pkg/logs"
)
var defaultSVC crossagent.SingleAgent
type impl struct {
DomainSVC singleagent.SingleAgent
ImagexSVC imagex.ImageX
}
func InitDomainService(c singleagent.SingleAgent, imagexClient imagex.ImageX) crossagent.SingleAgent {
defaultSVC = &impl{
DomainSVC: c,
ImagexSVC: imagexClient,
}
return defaultSVC
}
func (c *impl) StreamExecute(ctx context.Context, historyMsg []*message.Message,
query *message.Message, agentRuntime *model.AgentRuntime,
) (*schema.StreamReader[*model.AgentEvent], error) {
historyMsg = c.historyPairs(historyMsg)
singleAgentStreamExecReq := c.buildSingleAgentStreamExecuteReq(ctx, historyMsg, query, agentRuntime)
streamEvent, err := c.DomainSVC.StreamExecute(ctx, singleAgentStreamExecReq)
logs.CtxInfof(ctx, "agent StreamExecute req:%v, streamEvent:%v, err:%v", conv.DebugJsonToStr(singleAgentStreamExecReq), streamEvent, err)
return streamEvent, err
}
func (c *impl) buildSingleAgentStreamExecuteReq(ctx context.Context, historyMsg []*message.Message,
input *message.Message, agentRuntime *model.AgentRuntime,
) *model.ExecuteRequest {
identity := c.buildIdentity(input, agentRuntime)
inputBuild := c.buildSchemaMessage(ctx, []*message.Message{input})
var inputSM *schema.Message
if len(inputBuild) > 0 {
inputSM = inputBuild[0]
}
history := c.buildSchemaMessage(ctx, historyMsg)
resumeInfo := c.checkResumeInfo(ctx, historyMsg)
return &model.ExecuteRequest{
Identity: identity,
Input: inputSM,
History: history,
UserID: input.UserID,
PreCallTools: slices.Transform(agentRuntime.PreRetrieveTools, func(tool *agentrun.Tool) *agentrun.ToolsRetriever {
return &agentrun.ToolsRetriever{
PluginID: tool.PluginID,
ToolName: tool.ToolName,
ToolID: tool.ToolID,
Arguments: tool.Arguments,
Type: func(toolType agentrun.ToolType) agentrun.ToolType {
switch toolType {
case agentrun.ToolTypeWorkflow:
return agentrun.ToolTypeWorkflow
case agentrun.ToolTypePlugin:
return agentrun.ToolTypePlugin
}
return agentrun.ToolTypePlugin
}(tool.Type),
}
}),
ResumeInfo: resumeInfo,
}
}
func (c *impl) historyPairs(historyMsg []*message.Message) []*message.Message {
fcMsgPairs := make(map[int64][]*message.Message)
for _, one := range historyMsg {
if one.MessageType != message.MessageTypeFunctionCall && one.MessageType != message.MessageTypeToolResponse {
continue
}
if _, ok := fcMsgPairs[one.RunID]; !ok {
fcMsgPairs[one.RunID] = []*message.Message{one}
} else {
fcMsgPairs[one.RunID] = append(fcMsgPairs[one.RunID], one)
}
}
var historyAfterPairs []*message.Message
for _, value := range historyMsg {
if value.MessageType == message.MessageTypeFunctionCall {
if len(fcMsgPairs[value.RunID])%2 == 0 {
historyAfterPairs = append(historyAfterPairs, value)
}
} else {
historyAfterPairs = append(historyAfterPairs, value)
}
}
return historyAfterPairs
}
func (c *impl) checkResumeInfo(_ context.Context, historyMsg []*message.Message) *crossagent.ResumeInfo {
var resumeInfo *crossagent.ResumeInfo
for i := len(historyMsg) - 1; i >= 0; i-- {
if historyMsg[i].MessageType == message.MessageTypeQuestion {
break
}
if historyMsg[i].MessageType == message.MessageTypeVerbose {
if historyMsg[i].Ext[string(entity.ExtKeyResumeInfo)] != "" {
err := json.Unmarshal([]byte(historyMsg[i].Ext[string(entity.ExtKeyResumeInfo)]), &resumeInfo)
if err != nil {
return nil
}
}
}
}
return resumeInfo
}
func (c *impl) buildSchemaMessage(ctx context.Context, msgs []*message.Message) []*schema.Message {
schemaMessage := make([]*schema.Message, 0, len(msgs))
for _, msgOne := range msgs {
if msgOne.ModelContent == "" {
continue
}
if msgOne.MessageType == message.MessageTypeVerbose || msgOne.MessageType == message.MessageTypeFlowUp {
continue
}
var sm *schema.Message
err := json.Unmarshal([]byte(msgOne.ModelContent), &sm)
if err != nil {
continue
}
if len(sm.ReasoningContent) > 0 {
sm.ReasoningContent = ""
}
schemaMessage = append(schemaMessage, c.parseMessageURI(ctx, sm))
}
return schemaMessage
}
func (c *impl) parseMessageURI(ctx context.Context, mcMsg *schema.Message) *schema.Message {
if mcMsg.MultiContent == nil {
return mcMsg
}
for k, one := range mcMsg.MultiContent {
switch one.Type {
case schema.ChatMessagePartTypeImageURL:
if one.ImageURL.URI != "" {
url, err := c.ImagexSVC.GetResourceURL(ctx, one.ImageURL.URI)
if err == nil {
mcMsg.MultiContent[k].ImageURL.URL = url.URL
}
}
case schema.ChatMessagePartTypeFileURL:
if one.FileURL.URI != "" {
url, err := c.ImagexSVC.GetResourceURL(ctx, one.FileURL.URI)
if err == nil {
mcMsg.MultiContent[k].FileURL.URL = url.URL
}
}
case schema.ChatMessagePartTypeAudioURL:
if one.AudioURL.URI != "" {
url, err := c.ImagexSVC.GetResourceURL(ctx, one.AudioURL.URI)
if err == nil {
mcMsg.MultiContent[k].AudioURL.URL = url.URL
}
}
case schema.ChatMessagePartTypeVideoURL:
if one.VideoURL.URI != "" {
url, err := c.ImagexSVC.GetResourceURL(ctx, one.VideoURL.URI)
if err == nil {
mcMsg.MultiContent[k].VideoURL.URL = url.URL
}
}
}
}
return mcMsg
}
func (c *impl) buildIdentity(input *message.Message, agentRuntime *model.AgentRuntime) *model.AgentIdentity {
return &model.AgentIdentity{
AgentID: input.AgentID,
Version: agentRuntime.AgentVersion,
IsDraft: agentRuntime.IsDraft,
ConnectorID: agentRuntime.ConnectorID,
}
}
func (c *impl) GetSingleAgent(ctx context.Context, agentID int64, version string) (agent *model.SingleAgent, err error) {
agentInfo, err := c.DomainSVC.GetSingleAgent(ctx, agentID, version)
if err != nil {
return nil, err
}
return agentInfo.SingleAgent, nil
}
func (c *impl) ObtainAgentByIdentity(ctx context.Context, identity *model.AgentIdentity) (*model.SingleAgent, error) {
agentInfo, err := c.DomainSVC.ObtainAgentByIdentity(ctx, identity)
if err != nil {
return nil, err
}
return agentInfo.SingleAgent, nil
}