Alexander
a1f6701bac
- gRPC service with MusicBrainz provider - PostgreSQL schema with migrations - Service layer with database-first caching - Repository pattern for data access - YAML configuration support - Research documentation for 17 music metadata projects
69 lines
1.2 KiB
Go
69 lines
1.2 KiB
Go
package config
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import (
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"fmt"
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"os"
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"gopkg.in/yaml.v3"
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)
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type Config struct {
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Server ServerConfig `yaml:"server"`
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Database DatabaseConfig `yaml:"database"`
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}
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type ServerConfig struct {
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Port int `yaml:"port"`
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}
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type DatabaseConfig struct {
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Host string `yaml:"host"`
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Port int `yaml:"port"`
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User string `yaml:"user"`
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Password string `yaml:"password"`
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Name string `yaml:"name"`
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SSLMode string `yaml:"sslmode"`
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}
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func Load(path string) (*Config, error) {
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cfg := &Config{
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Server: ServerConfig{
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Port: 50051,
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},
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Database: DatabaseConfig{
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Host: "localhost",
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Port: 5432,
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SSLMode: "disable",
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},
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}
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if path == "" {
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return cfg, nil
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}
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data, err := os.ReadFile(path)
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if err != nil {
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if os.IsNotExist(err) {
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return cfg, nil
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}
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return nil, fmt.Errorf("read config: %w", err)
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}
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if err := yaml.Unmarshal(data, cfg); err != nil {
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return nil, fmt.Errorf("parse config: %w", err)
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}
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return cfg, nil
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}
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func (d *DatabaseConfig) DSN() string {
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if d.Host == "" || d.User == "" || d.Name == "" {
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return ""
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}
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return fmt.Sprintf(
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"postgres://%s:%s@%s:%d/%s?sslmode=%s",
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d.User, d.Password, d.Host, d.Port, d.Name, d.SSLMode,
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)
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}
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