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|
package storage
import (
"database/sql"
"encoding/json"
"errors"
"fmt"
"time"
"github.com/thepeterstone/claudomator/internal/task"
)
// ErrTemplateNotFound is returned when a template ID does not exist.
var ErrTemplateNotFound = errors.New("template not found")
// Template is a reusable task configuration saved for repeated use.
type Template struct {
ID string `json:"id"`
Name string `json:"name"`
Description string `json:"description"`
Agent task.AgentConfig `json:"agent"`
Timeout string `json:"timeout"`
Priority string `json:"priority"`
Tags []string `json:"tags"`
CreatedAt time.Time `json:"created_at"`
UpdatedAt time.Time `json:"updated_at"`
}
// CreateTemplate inserts a new template.
func (s *DB) CreateTemplate(tmpl *Template) error {
configJSON, err := json.Marshal(tmpl.Agent)
if err != nil {
return fmt.Errorf("marshaling config: %w", err)
}
tagsJSON, err := json.Marshal(tmpl.Tags)
if err != nil {
return fmt.Errorf("marshaling tags: %w", err)
}
_, err = s.db.Exec(`
INSERT INTO templates (id, name, description, config_json, timeout, priority, tags_json, created_at, updated_at)
VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)`,
tmpl.ID, tmpl.Name, tmpl.Description, string(configJSON),
tmpl.Timeout, tmpl.Priority, string(tagsJSON),
tmpl.CreatedAt.UTC(), tmpl.UpdatedAt.UTC(),
)
return err
}
// GetTemplate retrieves a template by ID, returning ErrTemplateNotFound if missing.
func (s *DB) GetTemplate(id string) (*Template, error) {
row := s.db.QueryRow(`SELECT id, name, description, config_json, timeout, priority, tags_json, created_at, updated_at FROM templates WHERE id = ?`, id)
return scanTemplate(row)
}
// ListTemplates returns all templates ordered by name.
func (s *DB) ListTemplates() ([]*Template, error) {
rows, err := s.db.Query(`SELECT id, name, description, config_json, timeout, priority, tags_json, created_at, updated_at FROM templates ORDER BY name ASC`)
if err != nil {
return nil, err
}
defer rows.Close()
var templates []*Template
for rows.Next() {
tmpl, err := scanTemplate(rows)
if err != nil {
return nil, err
}
templates = append(templates, tmpl)
}
return templates, rows.Err()
}
// UpdateTemplate fully replaces a template's fields. Returns ErrTemplateNotFound if the ID is missing.
func (s *DB) UpdateTemplate(tmpl *Template) error {
configJSON, err := json.Marshal(tmpl.Agent)
if err != nil {
return fmt.Errorf("marshaling config: %w", err)
}
tagsJSON, err := json.Marshal(tmpl.Tags)
if err != nil {
return fmt.Errorf("marshaling tags: %w", err)
}
result, err := s.db.Exec(`
UPDATE templates SET name = ?, description = ?, config_json = ?, timeout = ?, priority = ?, tags_json = ?, updated_at = ?
WHERE id = ?`,
tmpl.Name, tmpl.Description, string(configJSON), tmpl.Timeout, tmpl.Priority, string(tagsJSON),
tmpl.UpdatedAt.UTC(), tmpl.ID,
)
if err != nil {
return err
}
n, err := result.RowsAffected()
if err != nil {
return err
}
if n == 0 {
return ErrTemplateNotFound
}
return nil
}
// DeleteTemplate removes a template by ID. Returns ErrTemplateNotFound if the ID is missing.
func (s *DB) DeleteTemplate(id string) error {
result, err := s.db.Exec(`DELETE FROM templates WHERE id = ?`, id)
if err != nil {
return err
}
n, err := result.RowsAffected()
if err != nil {
return err
}
if n == 0 {
return ErrTemplateNotFound
}
return nil
}
func scanTemplate(row scanner) (*Template, error) {
var (
tmpl Template
configJSON string
tagsJSON string
)
err := row.Scan(&tmpl.ID, &tmpl.Name, &tmpl.Description, &configJSON,
&tmpl.Timeout, &tmpl.Priority, &tagsJSON, &tmpl.CreatedAt, &tmpl.UpdatedAt)
if err != nil {
if errors.Is(err, sql.ErrNoRows) {
return nil, ErrTemplateNotFound
}
return nil, err
}
if err := json.Unmarshal([]byte(configJSON), &tmpl.Agent); err != nil {
return nil, fmt.Errorf("unmarshaling config: %w", err)
}
if err := json.Unmarshal([]byte(tagsJSON), &tmpl.Tags); err != nil {
return nil, fmt.Errorf("unmarshaling tags: %w", err)
}
return &tmpl, nil
}
|
