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package main
import (
"code.laria.me/petrific/cache"
"code.laria.me/petrific/config"
"code.laria.me/petrific/logging"
"code.laria.me/petrific/storage"
"code.laria.me/petrific/storage/registry"
"fmt"
)
// Env provides commonly used objects for subcommands
type Env struct {
Conf config.Config
Store storage.Storage
IdCache cache.Cache
Log *logging.Log
}
func (e *Env) Close() {
if e.IdCache != nil {
e.IdCache.Close()
}
if e.Store != nil {
e.Store.Close()
}
}
func (env *Env) loadCache() error {
path := env.Conf.CachePath
if path == "" {
return nil
}
file_cache := cache.NewFileCache(config.ExpandTilde(path))
if err := file_cache.Load(); err != nil {
return fmt.Errorf("Loading cache %s: %s", path, err)
}
env.IdCache = file_cache
return nil
}
func NewEnv(log *logging.Log, confPath, storageName string) (*Env, error) {
env := new(Env)
env.Log = log
var err error
// Load config
env.Conf, err = config.LoadConfig(confPath)
if err != nil {
return nil, err
}
// load storage
if storageName == "" {
storageName = env.Conf.DefaultStorage
}
env.Store, err = registry.LoadStorage(env.Conf, storageName)
if err != nil {
return nil, err
}
// Load cache
if err = env.loadCache(); err != nil {
env.Close()
return nil, err
}
return env, nil
}
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