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/*
GoToSocial
Copyright (C) 2021 GoToSocial Authors admin@gotosocial.org
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package config
import (
"encoding/json"
"fmt"
"os"
"github.com/gotosocial/gotosocial/internal/db"
)
// Config contains all the configuration needed to run gotosocial
type Config struct {
DBConfig *db.Config `json:"db,omitempty"`
}
// New returns a new config, or an error if something goes amiss.
// The path parameter is optional, for loading a configuration json from the given path.
func New(path string) (*Config, error) {
var config *Config
if path != "" {
var err error
if config, err = loadFromFile(path); err != nil {
return nil, fmt.Errorf("error creating config: %s", err)
}
}
return config, nil
}
// loadFromFile takes a path to a .json file and attempts to load a Config object from it
func loadFromFile(path string) (*Config, error) {
bytes, err := os.ReadFile(path)
if err != nil {
return nil, fmt.Errorf("could not read file at path %s: %s", path, err)
}
config := &Config{}
if err := json.Unmarshal(bytes, config); err != nil {
return nil, fmt.Errorf("could not unmarshal file at path %s: %s", path, err)
}
return config, nil
}
// WithFlags returns a copy of this config object with flags set using the provided flags object
func (c *Config) WithFlags(f Flags) *Config {
return c
}
// Flags is a wrapper for any type that can store keyed flags and give them back
type Flags interface {
String(k string) string
Int(k string) int
}
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