safesight/control/internal/service/template.go

package service

import (
    "encoding/json"
    "os"
    "path/filepath"

	"safesight-control/internal/config"
)

type Template struct {
    Name   string      `json:"name"`
    Schema interface{} `json:"schema"`
    Body   interface{} `json:"body"`
}

type TemplateService struct {
    cfg *config.Config
}

func NewTemplateService(cfg *config.Config) *TemplateService {
    return &TemplateService{cfg: cfg}
}

func (s *TemplateService) ListTemplates() ([]Template, error) {
    files, err := os.ReadDir("templates")
    if err != nil {
        return nil, err
    }

    var list []Template
    for _, f := range files {
        if !f.IsDir() && filepath.Ext(f.Name()) == ".json" {
            data, err := os.ReadFile(filepath.Join("templates", f.Name()))
            if err != nil {
                continue
            }
            var t Template
            if err := json.Unmarshal(data, &t); err == nil {
                if t.Name == "" {
                    t.Name = f.Name() // Fallback
                }
                list = append(list, t)
            }
        }
    }
    return list, nil
}

func (s *TemplateService) GetTemplate(name string) (*Template, error) {
    path := filepath.Join("templates", name+".json")
    data, err := os.ReadFile(path)
    if err != nil {
        return nil, err
    }
    var t Template
    if err := json.Unmarshal(data, &t); err != nil {
        return nil, err
    }
    return &t, nil
}