Files
scriptorium/internal/profile/filesystem_repository.go

144 lines
3.8 KiB
Go

package profile
import (
"bytes"
"context"
"errors"
"fmt"
"gitea.maximumdirect.net/eric/scriptorium/internal/domain"
"gopkg.in/yaml.v3"
"os"
"path/filepath"
"strings"
)
var (
ErrProfileNotFound = errors.New("prompt profile not found")
ErrInvalidYAML = errors.New("invalid YAML format")
ErrInvalidProfile = errors.New("invalid profile configuration")
)
type filesystemRepository struct {
dir string
}
func NewFilesystemRepository(dir string) Repository {
return &filesystemRepository{dir: dir}
}
func (r *filesystemRepository) GetProfile(ctx context.Context, id string, version string) (*domain.PromptProfile, error) {
if strings.TrimSpace(id) == "" {
return nil, fmt.Errorf("%w: profile id is required", ErrInvalidProfile)
}
files, err := os.ReadDir(r.dir)
if err != nil {
return nil, fmt.Errorf("failed to read profile directory: %w", err)
}
for _, file := range files {
select {
case <-ctx.Done():
return nil, ctx.Err()
default:
}
if file.IsDir() || (!strings.HasSuffix(file.Name(), ".yaml") && !strings.HasSuffix(file.Name(), ".yml")) {
continue
}
fullPath := filepath.Join(r.dir, file.Name())
data, err := os.ReadFile(fullPath)
if err != nil {
return nil, fmt.Errorf("failed to read profile file %s: %w", file.Name(), err)
}
var prof domain.PromptProfile
decoder := yaml.NewDecoder(bytes.NewReader(data))
decoder.KnownFields(true)
if err := decoder.Decode(&prof); err != nil {
if strings.TrimSuffix(strings.TrimSuffix(file.Name(), ".yaml"), ".yml") == id {
return nil, fmt.Errorf("%w: %s: %v", ErrInvalidYAML, file.Name(), err)
}
continue
}
if prof.ID == id {
if version == "" || prof.Version == version {
if err := validateProfile(&prof); err != nil {
return nil, fmt.Errorf("%w: %s: %v", ErrInvalidProfile, file.Name(), err)
}
return &prof, nil
}
}
}
return nil, ErrProfileNotFound
}
func validateProfile(p *domain.PromptProfile) error {
if p.ID == "" {
return errors.New("profile id is required")
}
if p.Version == "" {
return errors.New("profile version is required")
}
if len(p.Templates) == 0 {
return errors.New("at least one prompt template message is required")
}
for i, t := range p.Templates {
if !isValidMessageRole(t.Role) {
return fmt.Errorf("template message %d has invalid role %q", i, t.Role)
}
if t.Content == "" {
return fmt.Errorf("template message %d is missing content", i)
}
}
if !isValidOutputFormat(p.OutputFormat) {
return fmt.Errorf("invalid output format: %s", p.OutputFormat)
}
if !isValidValidationMode(p.Validation.ValidationMode) {
return fmt.Errorf("invalid validation mode: %s", p.Validation.ValidationMode)
}
if p.Validation.RepairAttempts < 0 {
return errors.New("validation.repair_attempts must be greater than or equal to 0")
}
if p.Validation.ValidationMode == domain.ValidationJSONSchema && strings.TrimSpace(p.Validation.SchemaPath) == "" {
return errors.New("validation.schema_path is required when validation_mode is json_schema")
}
if p.Validation.Format != "" && p.Validation.Format != p.OutputFormat {
return fmt.Errorf("validation format %q does not match output format %q", p.Validation.Format, p.OutputFormat)
}
for i, input := range p.ExpectedInputs {
if strings.TrimSpace(input) == "" {
return fmt.Errorf("expected input %d has empty name", i)
}
}
return nil
}
func isValidOutputFormat(f domain.OutputFormat) bool {
switch f {
case domain.FormatText, domain.FormatMarkdown, domain.FormatJSON:
return true
}
return false
}
func isValidValidationMode(m domain.ValidationMode) bool {
switch m {
case domain.ValidationNone, domain.ValidationBasic, domain.ValidationJSON, domain.ValidationJSONSchema:
return true
}
return false
}
func isValidMessageRole(role string) bool {
switch role {
case "system", "user", "assistant", "developer":
return true
}
return false
}