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prompt_template.go
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/
prompt_template.go
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package main
import (
"bytes"
"encoding/json"
"os"
"text/template"
)
type PromptContext struct {
Message string
MessageStdin string
Files []*PromptFile
Context map[string]string
}
type PromptFile struct {
Name string
Content string
}
func NewPrompt(promptTemplatePath, ctxString, message, messageStdin string, files []string) (string, error) {
if _, err := os.Stat(promptTemplatePath); os.IsNotExist(err) {
return "", err
}
promptTemplate, err := os.ReadFile(promptTemplatePath)
if err != nil {
return "", err
}
tmpl, err := template.New("prompt").Parse(string(promptTemplate))
if err != nil {
return "", err
}
promptContext, err := newPromptContext(ctxString, message, messageStdin, files)
if err != nil {
return "", err
}
var prompt bytes.Buffer
err = tmpl.Execute(&prompt, promptContext)
if err != nil {
return "", err
}
return prompt.String(), nil
}
func newPromptContext(ctxString, message, messageStdin string, files []string) (*PromptContext, error) {
if ctxString == "" {
ctxString = "{}"
}
var ctx map[string]string
if err := json.Unmarshal([]byte(ctxString), &ctx); err != nil {
return nil, err
}
var fileData []*PromptFile
for _, file := range files {
content, err := os.ReadFile(file)
if err != nil {
return nil, err
}
fileData = append(fileData, &PromptFile{
Name: file,
Content: string(content),
})
}
return &PromptContext{
Message: message,
MessageStdin: messageStdin,
Files: fileData,
Context: ctx,
}, nil
}