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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,14 @@ | ||
| package botengines | ||
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| import "context" | ||
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| var DefaultBotEngine IBotEngine = &NilBotEngine{} | ||
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| type IBotEngine interface { | ||
| StreamChat(ctx context.Context, senderId, converId string, question string, f func(answerPart string, isEnd bool)) | ||
| } | ||
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| type NilBotEngine struct{} | ||
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| func (engine *NilBotEngine) StreamChat(ctx context.Context, senderId, converId string, question string, f func(answerPart string, isEnd bool)) { | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,90 @@ | ||
| package botengines | ||
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| import ( | ||
| "context" | ||
| "fmt" | ||
| "im-server/commons/tools" | ||
| "im-server/services/commonservices/logs" | ||
| "net/http" | ||
| ) | ||
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| type DifyBotEngine struct { | ||
| ApiKey string `json:"api_key"` | ||
| Url string `json:"url"` | ||
| } | ||
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| func (engine *DifyBotEngine) StreamChat(ctx context.Context, senderId, converId string, question string, f func(answerPart string, isEnd bool)) { | ||
| req := &DifyChatMsgReq{ | ||
| Inputs: map[string]string{}, | ||
| Query: question, | ||
| ResponseMode: "streaming", | ||
| ConversationId: converId, | ||
| User: senderId, | ||
| } | ||
| body := tools.ToJson(req) | ||
| headers := map[string]string{} | ||
| headers["Authorization"] = fmt.Sprintf("Bearer %s", engine.ApiKey) | ||
| headers["Content-Type"] = "application/json" | ||
| stream, code, err := tools.CreateStream(http.MethodPost, engine.Url, headers, body) | ||
| if err != nil || code != http.StatusOK { | ||
| logs.WithContext(ctx).Errorf("call dify api failed. http_code:%d,err:%v", code, err) | ||
| return | ||
| } | ||
| for { | ||
| line, err := stream.Receive() | ||
| if err != nil { | ||
| f("", true) | ||
| return | ||
| } | ||
| item := DifyStreamRespItem{} | ||
| err = tools.JsonUnMarshal([]byte(line), &item) | ||
| if err != nil { | ||
| f("", true) | ||
| return | ||
| } | ||
| if item.Event == "message" { | ||
| f(item.Answer, false) | ||
| } else if item.Event == "message_end" { | ||
| f(item.Answer, true) | ||
| return | ||
| } | ||
| } | ||
| } | ||
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| type DifyChatMsgReq struct { | ||
| Inputs map[string]string `json:"inputs"` | ||
| Query string `json:"query"` | ||
| ResponseMode string `json:"response_mode"` | ||
| ConversationId string `json:"conversation_id"` | ||
| User string `json:"user"` | ||
| } | ||
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| type DifyStreamRespItem struct { | ||
| Event string `json:"event"` | ||
| ConversationId string `json:"conversation_id"` | ||
| MessageId string `json:"message_id"` | ||
| CreatedAt int64 `json:"created_at"` | ||
| TaskId string `json:"task_id"` | ||
| Id string `json:"id"` | ||
| Answer string `json:"answer"` | ||
|
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| Audio string `json:"audio"` | ||
| } | ||
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| type DifyMetaData struct { | ||
| Usage *DifyUsage `json:"usage"` | ||
| } | ||
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| type DifyUsage struct { | ||
| PromptTokens int32 `json:"prompt_tokens"` | ||
| PromptUnitPrice string `json:"prompt_price_unit"` | ||
| PromptPrice string `json:"prompt_price"` | ||
| CompletionTokens int32 `json:"completion_tokens"` | ||
| CompletionUnitPrice string `json:"completion_unit_price"` | ||
| CompletionPriceUnit string `json:"completion_price_unit"` | ||
| CompletionPrice string `json:"completion_price"` | ||
| TotalTokens int32 `json:"total_tokens"` | ||
| TotalPrice string `json:"total_price"` | ||
| Currency string `json:"currency"` | ||
| Latency float64 `json:"latency"` | ||
| } |
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