97 lines
3.7 KiB
Go
97 lines
3.7 KiB
Go
package main
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import (
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"fmt"
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"log"
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"net/http"
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"os"
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"github.com/joho/godotenv"
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"github.com/kjannette/koin-ping/backend-go/internal/config"
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"github.com/kjannette/koin-ping/backend-go/internal/database"
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"github.com/kjannette/koin-ping/backend-go/internal/firebase"
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"github.com/kjannette/koin-ping/backend-go/internal/handlers"
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"github.com/kjannette/koin-ping/backend-go/internal/middleware"
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"github.com/kjannette/koin-ping/backend-go/internal/models"
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)
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func main() {
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_ = godotenv.Load() // .env is optional; env vars can also be set externally
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cfg, err := config.Load()
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if err != nil {
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log.Fatalf("Failed to load config: %v", err)
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}
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pool, err := database.Connect(cfg.DSN())
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if err != nil {
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log.Fatalf("Failed to connect to database: %v", err)
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}
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defer database.Close()
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if err := firebase.Init(cfg.FirebaseProjectID); err != nil {
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log.Fatalf("Failed to initialize Firebase: %v", err)
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}
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addressModel := models.NewAddressModel(pool)
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alertRuleModel := models.NewAlertRuleModel(pool)
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alertEventModel := models.NewAlertEventModel(pool)
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notifConfigModel := models.NewNotificationConfigModel(pool)
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addressHandler := handlers.NewAddressHandler(addressModel)
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alertRuleHandler := handlers.NewAlertRuleHandler(alertRuleModel, addressModel)
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alertEventHandler := handlers.NewAlertEventHandler(alertEventModel)
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notifConfigHandler := handlers.NewNotificationConfigHandler(notifConfigModel)
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mux := http.NewServeMux()
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// Public routes
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mux.HandleFunc("GET /api/health", handlers.HealthCheck)
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mux.HandleFunc("GET /api/status", handlers.SystemStatus)
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// Authenticated routes — addresses
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mux.Handle("POST /api/addresses", middleware.Authenticate(http.HandlerFunc(addressHandler.Create)))
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mux.Handle("GET /api/addresses", middleware.Authenticate(http.HandlerFunc(addressHandler.List)))
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mux.Handle("DELETE /api/addresses/{addressId}", middleware.Authenticate(http.HandlerFunc(addressHandler.Remove)))
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// Authenticated routes — alert rules
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mux.Handle("POST /api/addresses/{addressId}/alerts", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.Create)))
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mux.Handle("GET /api/addresses/{addressId}/alerts", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.ListByAddress)))
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mux.Handle("PATCH /api/alerts/{alertId}", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.UpdateStatus)))
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mux.Handle("DELETE /api/alerts/{alertId}", middleware.Authenticate(http.HandlerFunc(alertRuleHandler.Remove)))
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// Authenticated routes — alert events
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mux.Handle("GET /api/alert-events", middleware.Authenticate(http.HandlerFunc(alertEventHandler.List)))
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// Authenticated routes — notification config
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mux.Handle("GET /api/notification-config", middleware.Authenticate(http.HandlerFunc(notifConfigHandler.GetConfig)))
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mux.Handle("PUT /api/notification-config", middleware.Authenticate(http.HandlerFunc(notifConfigHandler.UpdateConfig)))
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mux.Handle("DELETE /api/notification-config", middleware.Authenticate(http.HandlerFunc(notifConfigHandler.DeleteConfig)))
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handler := corsMiddleware(mux)
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addr := fmt.Sprintf(":%d", cfg.Port)
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log.Printf("Server running on port %d", cfg.Port)
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log.Printf("Environment: %s", cfg.NodeEnv)
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if err := http.ListenAndServe(addr, handler); err != nil {
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log.Fatalf("Server failed: %v", err)
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os.Exit(1)
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}
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}
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func corsMiddleware(next http.Handler) http.Handler {
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return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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w.Header().Set("Access-Control-Allow-Origin", "*")
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w.Header().Set("Access-Control-Allow-Methods", "GET, POST, PUT, PATCH, DELETE, OPTIONS")
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w.Header().Set("Access-Control-Allow-Headers", "Content-Type, Authorization")
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if r.Method == http.MethodOptions {
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w.WriteHeader(http.StatusNoContent)
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return
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}
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next.ServeHTTP(w, r)
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})
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}
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