mirror of https://github.com/Pull-Pal/pull-pal.git
128 lines
3.0 KiB
Go
128 lines
3.0 KiB
Go
package llm
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import (
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"bytes"
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"html/template"
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"strings"
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)
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// File represents a file in a git repository.
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type File struct {
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Path string
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Contents string
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}
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// CodeChangeRequest contains all necessary information for generating a prompt for a LLM.
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type CodeChangeRequest struct {
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Files []File
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Subject string
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Body string
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IssueID string
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}
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// String is the string representation of a CodeChangeRequest. Functionally, it contains the LLM prompt.
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func (req CodeChangeRequest) String() string {
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prompt := req.MustGetPrompt()
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return "START OF PROMPT\n" + prompt + "\nEND OF PROMPT"
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}
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// MustGetPrompt only returns the prompt, but panics if the data in the request cannot populate the template.
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func (req CodeChangeRequest) MustGetPrompt() string {
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prompt, err := req.GetPrompt()
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if err != nil {
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panic(err)
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}
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return prompt
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}
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// GetPrompt converts the information in the request to a prompt for an LLM.
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func (req CodeChangeRequest) GetPrompt() (string, error) {
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tmpl, err := template.ParseFiles("./llm/prompts/code-change-request.tmpl")
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if err != nil {
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return "", err
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}
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var result bytes.Buffer
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err = tmpl.Execute(&result, req)
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if err != nil {
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return "", err
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}
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return result.String(), nil
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}
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// CodeChangeResponse contains data derived from an LLM response to a prompt generated via a CodeChangeRequest.
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type CodeChangeResponse struct {
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Files []File
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Notes string
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}
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// String is a string representation of CodeChangeResponse.
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func (res CodeChangeResponse) String() string {
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out := "Notes:\n"
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out += res.Notes + "\n\n"
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out += "Files:\n"
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for _, f := range res.Files {
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out += f.Path + ":\n```\n"
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out += f.Contents + "\n```\n"
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}
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return out
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}
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// ParseCodeChangeResponse parses the LLM's response to CodeChangeRequest (string) into a CodeChangeResponse.
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func ParseCodeChangeResponse(llmResponse string) CodeChangeResponse {
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sections := strings.Split(llmResponse, "ppnotes:")
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filesSection := ""
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if len(sections) > 0 {
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filesSection = sections[0]
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}
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notes := ""
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if len(sections) > 1 {
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notes = strings.TrimSpace(sections[1])
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}
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files := parseFiles(filesSection)
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return CodeChangeResponse{
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Files: files,
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Notes: notes,
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}
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}
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// parseFiles process the "files" subsection of the LLM's response. It is a helper for GetCodeChangeResponse.
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func parseFiles(filesSection string) []File {
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fileStringList := strings.Split(filesSection, "ppname:")
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if len(fileStringList) < 2 {
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return []File{}
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}
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// first item in the list is just gonna be "Files:"
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fileStringList = fileStringList[1:]
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replacer := strings.NewReplacer(
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"\\n", "\n",
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"\\\"", "\"",
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"```", "",
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)
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fileList := make([]File, len(fileStringList))
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for i, f := range fileStringList {
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fileParts := strings.Split(f, "ppcontents:")
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if len(fileParts) < 2 {
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continue
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}
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path := replacer.Replace(fileParts[0])
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path = strings.TrimSpace(path)
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contents := replacer.Replace(fileParts[1])
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contents = strings.TrimSpace(contents)
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fileList[i] = File{
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Path: path,
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Contents: contents,
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}
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}
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return fileList
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}
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