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1package notella
2
3import (
4 "fmt"
5 "os"
6 "strings"
7
8 "github.com/caarlos0/env/v11"
9 ll "github.com/gwennlbh/label-logger-go"
10 "github.com/joho/godotenv"
11 "github.com/redis/go-redis/v9"
12)
13
14type Configuration struct {
15 ChurrosDatabaseURL string `env:"DATABASE_URL"`
16 RedisURL string `env:"REDIS_URL"`
17 NatsURL string `env:"NATS_URL" envDefault:"nats://localhost:4222"`
18 VapidPublicKey string `env:"PUBLIC_VAPID_KEY"`
19 VapidPrivateKey string `env:"VAPID_PRIVATE_KEY"`
20 ContactEmail string `env:"CONTACT_EMAIL"`
21 FirebaseServiceAccount string `env:"FIREBASE_SERVICE_ACCOUNT"`
22 StartupScheduleRestoration string `env:"STARTUP_SCHEDULE_RESTORATION" envDefault:"enabled"`
23 AppPackageId string `env:"APP_PACKAGE_ID" envDefault:"app.churros"`
24 HealthCheckPort int `env:"HEALTH_CHECK_PORT" envDefault:"8080"`
25 DryRunMode bool `env:"DRY_RUN" envDefault:"false"`
26}
27
28func LoadConfiguration() (Configuration, error) {
29 if _, err := os.Stat(".env"); err == nil {
30 err := godotenv.Load()
31 if err != nil {
32 ll.ErrorDisplay("could not load .env file", err)
33 }
34 ll.Info("loaded .env file")
35 }
36
37 config := Configuration{}
38 err := env.Parse(&config)
39 if err != nil {
40 return Configuration{}, fmt.Errorf("could not load env variables: %w", err)
41 }
42
43 if config.StartupScheduleRestoration != "enabled" && config.StartupScheduleRestoration != "disabled" && config.StartupScheduleRestoration != "eager" {
44 return Configuration{}, fmt.Errorf("invalid value for STARTUP_SCHEDULE_RESTORATION: %q, should be one of \"enabled\", \"disabled\", \"eager\"", config.StartupScheduleRestoration)
45 }
46
47 ll.Log("Loaded", "green", "configuration from environment")
48
49 return config, nil
50}
51
52var config Configuration
53
54func init() {
55 var err error
56 config, err = LoadConfiguration()
57 if err != nil {
58 panic(fmt.Errorf("could not load configuration: %w", err))
59 }
60
61 err = setupFirebaseClient()
62 if err != nil {
63 ll.ErrorDisplay("could not setup firebase client", err)
64 } else {
65 ll.Log("Initialized", "cyan", "firebase client")
66 }
67
68 redisClient = redis.NewClient(&redis.Options{
69 Addr: strings.TrimPrefix(config.RedisURL, "redis://"),
70 })
71 ll.Log("Initialized", "cyan", "redis client")
72}