MaysWind
92 lines
3.9 KiB
Go
92 lines
3.9 KiB
Go
package llm
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import (
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"crypto/tls"
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"io"
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"net/http"
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"time"
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"github.com/mayswind/ezbookkeeping/pkg/core"
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"github.com/mayswind/ezbookkeeping/pkg/errs"
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"github.com/mayswind/ezbookkeeping/pkg/log"
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"github.com/mayswind/ezbookkeeping/pkg/settings"
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"github.com/mayswind/ezbookkeeping/pkg/utils"
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)
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// HttpLargeLanguageModelProvider defines the structure of http large language model provider
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type HttpLargeLanguageModelProvider interface {
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// BuildTextualRequest returns the http request by the provider api definition
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BuildTextualRequest(c core.Context, uid int64, request *LargeLanguageModelRequest, modelId string, responseType LargeLanguageModelResponseFormat) (*http.Request, error)
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// ParseTextualResponse returns the textual response entity by the provider api definition
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ParseTextualResponse(c core.Context, uid int64, body []byte, responseType LargeLanguageModelResponseFormat) (*LargeLanguageModelTextualResponse, error)
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// GetReceiptImageRecognitionModelID returns the receipt image recognition model id if supported, otherwise returns empty string
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GetReceiptImageRecognitionModelID() string
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}
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// CommonHttpLargeLanguageModelProvider defines the structure of common http large language model provider
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type CommonHttpLargeLanguageModelProvider struct {
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LargeLanguageModelProvider
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provider HttpLargeLanguageModelProvider
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}
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// GetJsonResponseByReceiptImageRecognitionModel returns the json response from the OpenAI common compatible large language model provider
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func (p *CommonHttpLargeLanguageModelProvider) GetJsonResponseByReceiptImageRecognitionModel(c core.Context, uid int64, currentConfig *settings.Config, request *LargeLanguageModelRequest) (*LargeLanguageModelTextualResponse, error) {
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return p.getTextualResponse(c, uid, currentConfig, request, p.provider.GetReceiptImageRecognitionModelID(), LARGE_LANGUAGE_MODEL_RESPONSE_FORMAT_JSON)
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}
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func (p *CommonHttpLargeLanguageModelProvider) getTextualResponse(c core.Context, uid int64, currentConfig *settings.Config, request *LargeLanguageModelRequest, modelId string, responseType LargeLanguageModelResponseFormat) (*LargeLanguageModelTextualResponse, error) {
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if modelId == "" {
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return nil, errs.ErrInvalidLLMModelId
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}
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transport := http.DefaultTransport.(*http.Transport).Clone()
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utils.SetProxyUrl(transport, currentConfig.LargeLanguageModelAPIProxy)
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if currentConfig.LargeLanguageModelAPISkipTLSVerify {
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transport.TLSClientConfig = &tls.Config{
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InsecureSkipVerify: true,
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}
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}
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client := &http.Client{
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Transport: transport,
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Timeout: time.Duration(currentConfig.LargeLanguageModelAPIRequestTimeout) * time.Millisecond,
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}
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httpRequest, err := p.provider.BuildTextualRequest(c, uid, request, modelId, responseType)
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if err != nil {
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log.Errorf(c, "[http_large_language_model_provider.getTextualResponse] failed to build requests for user \"uid:%d\", because %s", uid, err.Error())
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return nil, errs.ErrFailedToRequestRemoteApi
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}
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httpRequest.Header.Set("User-Agent", settings.GetUserAgent())
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resp, err := client.Do(httpRequest)
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if err != nil {
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log.Errorf(c, "[http_large_language_model_provider.getTextualResponse] failed to request large language model api for user \"uid:%d\", because %s", uid, err.Error())
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return nil, errs.ErrFailedToRequestRemoteApi
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}
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defer resp.Body.Close()
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body, err := io.ReadAll(resp.Body)
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log.Debugf(c, "[http_large_language_model_provider.getTextualResponse] response is %s", body)
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if resp.StatusCode != 200 {
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log.Errorf(c, "[http_large_language_model_provider.getTextualResponse] failed to get large language model api response for user \"uid:%d\", because response code is %d", uid, resp.StatusCode)
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return nil, errs.ErrFailedToRequestRemoteApi
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}
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return p.provider.ParseTextualResponse(c, uid, body, responseType)
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}
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func newCommonHttpLargeLanguageModelProvider(provider HttpLargeLanguageModelProvider) *CommonHttpLargeLanguageModelProvider {
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return &CommonHttpLargeLanguageModelProvider{
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provider: provider,
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}
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}
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