Files
koin_ping_0.2.0/backend-go/cmd/api/main.go
2026-02-27 17:33:40 -05:00

106 lines
4.0 KiB
Go

package main
import (
"fmt"
"log"
"net/http"
"os"
"github.com/joho/godotenv"
"github.com/kjannette/koin-ping/backend-go/internal/config"
"github.com/kjannette/koin-ping/backend-go/internal/database"
"github.com/kjannette/koin-ping/backend-go/internal/firebase"
"github.com/kjannette/koin-ping/backend-go/internal/handlers"
"github.com/kjannette/koin-ping/backend-go/internal/middleware"
"github.com/kjannette/koin-ping/backend-go/internal/models"
"github.com/kjannette/koin-ping/backend-go/internal/protocols/ethereum"
)
func main() {
_ = godotenv.Load()
cfg, err := config.Load()
if err != nil {
log.Fatalf("Failed to load config: %v", err)
}
pool, err := database.Connect(cfg.DSN())
if err != nil {
log.Fatalf("Failed to connect to database: %v", err)
}
defer database.Close()
if err := firebase.Init(cfg.FirebaseProjectID); err != nil {
log.Fatalf("Failed to initialize Firebase: %v", err)
}
var eth ethereum.EthereumObserver
if cfg.EthRPCURL != "" {
eth, err = ethereum.NewJsonRpcEthereum(cfg.EthRPCURL)
if err != nil {
log.Printf("Warning: Failed to create Ethereum observer: %v", err)
}
}
addressModel := models.NewAddressModel(pool)
alertRuleModel := models.NewAlertRuleModel(pool)
alertEventModel := models.NewAlertEventModel(pool)
notifConfigModel := models.NewNotificationConfigModel(pool)
checkpointModel := models.NewCheckpointModel(pool)
addressHandler := handlers.NewAddressHandler(addressModel)
alertRuleHandler := handlers.NewAlertRuleHandler(alertRuleModel, addressModel)
alertEventHandler := handlers.NewAlertEventHandler(alertEventModel)
notifConfigHandler := handlers.NewNotificationConfigHandler(notifConfigModel)
statusHandler := handlers.NewStatusHandler(eth, checkpointModel)
mux := http.NewServeMux()
b := cfg.APIBasePath
mux.HandleFunc("GET "+b+"/health", handlers.HealthCheck)
mux.HandleFunc("GET "+b+"/status", statusHandler.SystemStatus)
mux.Handle("POST "+b+"/addresses", middleware.Authenticate(http.HandlerFunc(addressHandler.Create)))
mux.Handle("GET "+b+"/addresses", middleware.Authenticate(http.HandlerFunc(addressHandler.List)))
mux.Handle("DELETE "+b+"/addresses/{addressId}", middleware.Authenticate(http.HandlerFunc(addressHandler.Remove)))
mux.Handle("POST "+b+"/addresses/{addressId}/alerts", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.Create)))
mux.Handle("GET "+b+"/addresses/{addressId}/alerts", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.ListByAddress)))
mux.Handle("PATCH "+b+"/alerts/{alertId}", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.UpdateStatus)))
mux.Handle("DELETE "+b+"/alerts/{alertId}", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.Remove)))
mux.Handle("GET "+b+"/alert-events", middleware.Authenticate(http.HandlerFunc(alertEventHandler.List)))
mux.Handle("GET "+b+"/notification-config", middleware.Authenticate(http.HandlerFunc(notifConfigHandler.GetConfig)))
mux.Handle("PUT "+b+"/notification-config", middleware.Authenticate(http.HandlerFunc(notifConfigHandler.UpdateConfig)))
mux.Handle("DELETE "+b+"/notification-config", middleware.Authenticate(http.HandlerFunc(notifConfigHandler.DeleteConfig)))
mux.Handle("POST "+b+"/notification-config/test", middleware.Authenticate(http.HandlerFunc(notifConfigHandler.TestWebhook)))
handler := corsMiddleware(mux)
addr := fmt.Sprintf(":%d", cfg.Port)
log.Printf("Server running on port %d", cfg.Port)
log.Printf("API base path: %s", cfg.APIBasePath)
log.Printf("Environment: %s", cfg.NodeEnv)
if err := http.ListenAndServe(addr, handler); err != nil {
log.Fatalf("Server failed: %v", err)
os.Exit(1)
}
}
func corsMiddleware(next http.Handler) http.Handler {
return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.Header().Set("Access-Control-Allow-Origin", "*")
w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, PATCH, DELETE, OPTIONS")
w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
if r.Method == http.MethodOptions {
w.WriteHeader(http.StatusNoContent)
return
}
next.ServeHTTP(w, r)
})
}