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|
package config
import (
"fmt"
"os"
"gopkg.in/yaml.v3"
)
type Config struct {
// AppConfig is the application level configuration entries
App App `yaml:"App"`
// Menus is the list of menus. The first one is the default menu for an anonymous user, the second one is the default menu for an authenticated user
Menus map[string]Menu `yaml:"Menus"`
// Games is the list of games.
Games map[string]Game `yaml:"Games"`
}
func (c *Config) validate() error {
// App
if err := c.App.validate(); err != nil {
return err
}
// Menus
if len(c.Menus) < 2 {
return fmt.Errorf("A valid configuration needs at least two menu entries named anonymous and logged_in")
}
for k, v := range c.Menus {
if err := v.validate(k); err != nil {
return err
}
}
// Games
for k, v := range c.Games {
if err := v.validate(k); err != nil {
return err
}
}
return nil
}
// LoadFile loads the c from a given file
func LoadFile(path string) (*Config, error) {
var c *Config
f, errOpen := os.Open(path)
if errOpen != nil {
return nil, fmt.Errorf("Failed to open configuration file %s : %w", path, errOpen)
}
defer f.Close()
decoder := yaml.NewDecoder(f)
if err := decoder.Decode(&c); err != nil {
return nil, fmt.Errorf("Failed to decode configuration file : %w", err)
}
if err := c.validate(); err != nil {
return nil, fmt.Errorf("Failed to validate configuration : %w", err)
}
// If all looks good we validate menu consistency
for _, v := range c.Menus {
if err := v.validateConsistency(c); err != nil {
return nil, fmt.Errorf("Failed menu consistency checks : %w", err)
}
}
return c, nil
}
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