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context.go
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/
context.go
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package gpt
import (
"encoding/base64"
"encoding/csv"
"errors"
"fmt"
"os"
"path/filepath"
"time"
"github.com/sashabaranov/go-openai"
"github.com/kaatinga/commit/internal/gitlet"
"github.com/kaatinga/commit/internal/settings"
)
const csvSeparator = '🧮'
// Persist method saves openai message history to recover context.
func (gptContext *OpenAIContextItem) Persist() error {
if gptContext == nil {
return errors.New("empty context cannot be saved")
}
contextFile, err := os.OpenFile(settings.ContextAbsolutePath, os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0644)
if err != nil {
return fmt.Errorf("failed to open context file so as to save context: %w", err)
}
defer contextFile.Close()
err = gitlet.UpdateGitIgnore()
if err != nil {
return err
}
writer := csv.NewWriter(contextFile)
writer.Comma = csvSeparator
defer writer.Flush()
content := base64.StdEncoding.EncodeToString([]byte(gptContext.Message.Content))
return writer.Write([]string{gptContext.Date.Format(time.RFC3339), content, gptContext.Message.Role})
}
// OpenContext method reads openai message history to recover context from the file in .commit/context.csv.
func OpenContext() ([]OpenAIContextItem, error) {
absoluteFileName, err := filepath.Abs(settings.ContextAbsolutePath)
if err != nil {
return nil, fmt.Errorf("failed to get absolute path to context file: %w", err)
}
file, err := os.Open(absoluteFileName)
if err != nil {
var pathError = new(os.PathError)
if errors.As(err, &pathError) {
// create .context folder
err := os.Mkdir(filepath.Join(settings.RepositoryPath, settings.ContextFolder), 0755)
if err != nil {
return nil, fmt.Errorf("failed to create .commit folder: %w", err)
}
// create empty context.csv file
_, err = os.Create(absoluteFileName)
if err != nil {
return nil, fmt.Errorf("failed to create context file: %w", err)
}
return []OpenAIContextItem{
{
Date: time.Now().UTC(),
Message: openai.ChatCompletionMessage{
Role: openai.ChatMessageRoleUser,
Content: "[comment] the context history is empty. This is the first request to commit API for this repository",
},
},
}, nil
}
return nil, fmt.Errorf("failed to open context file: %w", err)
}
var records [][]string
reader := csv.NewReader(file)
reader.Comma = csvSeparator
reader.LazyQuotes = true
records, err = reader.ReadAll()
if err != nil {
return nil, fmt.Errorf("failed to read context file: %w", err)
}
var context = make([]OpenAIContextItem, 0, len(records))
for _, record := range records {
decodedContent, err := base64.StdEncoding.DecodeString(record[1])
if err != nil {
return nil, fmt.Errorf("failed to decode content from context file: %w", err)
}
var recordTime time.Time
recordTime, err = time.Parse(time.RFC3339, record[0])
if err != nil {
return nil, fmt.Errorf("failed to parse time from context file: %w", err)
}
chatCompletion := OpenAIContextItem{
Date: recordTime,
Message: openai.ChatCompletionMessage{
Role: record[2],
},
}
if chatCompletion.Message.Role == openai.ChatMessageRoleUser {
chatCompletion.Message.Content = "[user]: " + string(decodedContent)
} else {
chatCompletion.Message.Content = "[openAI]: " + string(decodedContent)
}
context = append(context, chatCompletion)
}
return context, nil
}
// func getLatestCommits(path string, i int) ([]OpenAIContextItem, error) {
// get the repository url
// var repoURL string
// repoURL, err = gitlet.RunCommand("git config --get remote.origin.url", "")
// if err != nil {
// return nil, err
// }
// get 10 latest commits
// var fromCommits []OpenAIContextItem
// fromCommits, err = getLatestCommits(repoURL, 10)
// if err != nil {
// return nil, err
// }
//
// output := append(fromCommits, context...)
//
// // sort by date
// sort.Slice(output, func(i, j int) bool {
// return output[i].Date < output[j].Date
// })
// gitlet.RunCommand("git clone "+path+" .commit", "")
//
// var commits []OpenAIContextItem
// for i > 0 {
// commits = append(commits, OpenAIContextItem{
// Date: commit.Author.When.Format(time.RFC822),
// Message: openai.ChatCompletionMessage{
// Content: "[user]" + commit.Message,
// Role: openai.ChatMessageRoleUser,
// },
// })
// commit, err = commit.Parents().Next()
// if err != nil {
// break
// }
// i--
// }
//
// return commits, nil
// }