casibase/embedding/ernie.go

43 lines
1.3 KiB
Go

// Copyright 2023 The casbin Authors. All Rights Reserved.
//
// 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 embedding
import (
"context"
ernie "github.com/anhao/go-ernie"
)
type ErnieEmbeddingProvider struct {
subType string
apiKey string
secretKey string
}
func NewErnieEmbeddingProvider(subType string, apiKey string, secretKey string) (*ErnieEmbeddingProvider, error) {
return &ErnieEmbeddingProvider{subType: subType, apiKey: apiKey, secretKey: secretKey}, nil
}
func (e *ErnieEmbeddingProvider) QueryVector(text string, ctx context.Context) ([]float32, error) {
client := ernie.NewDefaultClient(e.apiKey, e.secretKey)
request := ernie.EmbeddingRequest{Input: []string{text}}
embeddings, err := client.CreateEmbeddings(ctx, request)
if err != nil {
return nil, err
}
return float64ToFloat32(embeddings.Data[0].Embedding), nil
}