64 lines
1.8 KiB
Go
64 lines
1.8 KiB
Go
// Copyright 2023 The casbin Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package model
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import (
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"fmt"
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"io"
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"net/http"
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"strings"
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"github.com/madebywelch/anthropic-go/pkg/anthropic"
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)
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type ClaudeModelProvider struct {
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subType string
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secretKey string
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}
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func NewClaudeModelProvider(subType string, secretKey string) (*ClaudeModelProvider, error) {
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return &ClaudeModelProvider{subType: subType, secretKey: secretKey}, nil
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}
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func (p *ClaudeModelProvider) QueryText(question string, writer io.Writer, builder *strings.Builder) error {
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client, err := anthropic.NewClient(p.secretKey)
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if err != nil {
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panic(err)
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}
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response, _ := client.Complete(&anthropic.CompletionRequest{
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Prompt: anthropic.GetPrompt(question),
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Model: anthropic.Model(p.subType),
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MaxTokensToSample: 100,
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StopSequences: []string{"\r", "Human:"},
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}, nil)
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flusher, ok := writer.(http.Flusher)
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if !ok {
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return fmt.Errorf("writer does not implement http.Flusher")
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}
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flushData := func(data string) error {
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if _, err := fmt.Fprintf(writer, "event: message\ndata: %s\n\n", data); err != nil {
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return err
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}
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flusher.Flush()
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builder.WriteString(data)
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return nil
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}
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err = flushData(response.Completion)
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if err != nil {
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return err
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}
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return nil
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}
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