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main.go
151 lines (138 loc) · 4.53 KB
/
main.go
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package main
import (
"log"
"os"
"time"
"github.com/allisson/go-env"
_ "github.com/allisson/postmand/docs"
"github.com/allisson/postmand/http"
"github.com/allisson/postmand/http/handler"
"github.com/allisson/postmand/repository"
"github.com/allisson/postmand/service"
"github.com/go-chi/chi/v5"
"github.com/jmoiron/sqlx"
_ "github.com/joho/godotenv/autoload"
httpSwagger "github.com/swaggo/http-swagger"
"github.com/urfave/cli/v2"
"go.uber.org/zap"
)
func healthcheckServer(db *sqlx.DB, logger *zap.Logger) {
pingRepository := repository.NewPing(db)
pingService := service.NewPing(pingRepository)
pingHandler := handler.NewPing(pingService, logger)
mux := http.NewRouter(logger)
mux.Get("/healthz", pingHandler.Healthz)
server := http.NewServer(mux, env.GetInt("POSTMAND_HEALTH_CHECK_HTTP_PORT", 8001), logger)
server.Run()
}
// @title Postmand API
// @version 1.0
// @description Simple webhook delivery system powered by Golang and PostgreSQL.
// @BasePath /v1
func main() {
// Setup logger
logger, err := zap.NewProduction()
if err != nil {
log.Fatalf("logger-setup-error: %v\n", err)
}
// nolint:errcheck
defer logger.Sync()
// Setup postgresql database
db, err := sqlx.Open("postgres", env.GetString("POSTMAND_DATABASE_URL", ""))
if err != nil {
logger.Fatal("database-setup-error", zap.Error(err))
}
if err := db.Ping(); err != nil {
logger.Fatal("database-ping-error", zap.Error(err))
}
db.SetMaxOpenConns(env.GetInt("POSTMAND_DATABASE_MAX_OPEN_CONNS", 2))
// Setup cli
app := cli.NewApp()
app.Name = "postmand"
app.Usage = "CLI"
app.Authors = []*cli.Author{
{
Name: "Allisson Azevedo",
Email: "allisson@gmail.com",
},
}
app.Commands = []*cli.Command{
{
Name: "migrate",
Aliases: []string{"m"},
Usage: "executes database migration",
Action: func(c *cli.Context) error {
migrationRepository := repository.NewMigration(
db,
env.GetString("POSTMAND_DATABASE_MIGRATION_DIR", "file:///db/migrations"),
)
migrationService := service.NewMigration(migrationRepository, logger)
return migrationService.Run(c.Context)
},
},
{
Name: "worker",
Aliases: []string{"w"},
Usage: "executes worker to dispatch webhooks",
Action: func(c *cli.Context) error {
// Start health check
go healthcheckServer(db, logger)
deliveryRepository := repository.NewDelivery(db)
pollingInterval := time.Duration(env.GetInt("POSTMAND_POLLING_INTERVAL", 1000)) * time.Millisecond
workerService := service.NewWorker(deliveryRepository, logger, pollingInterval)
workerService.Run(c.Context)
return nil
},
},
{
Name: "server",
Aliases: []string{"s"},
Usage: "executes http server",
Action: func(c *cli.Context) error {
// Start health check
go healthcheckServer(db, logger)
// Create repositories
webhookRepository := repository.NewWebhook(db)
deliveryRepository := repository.NewDelivery(db)
deliveryAttemptRepository := repository.NewDeliveryAttempt(db)
// Create services
webhookService := service.NewWebhook(webhookRepository)
deliveryService := service.NewDelivery(deliveryRepository)
deliveryAttemptService := service.NewDeliveryAttempt(deliveryAttemptRepository)
// Create http handlers
webhookHandler := handler.NewWebhook(webhookService, logger)
deliveryHandler := handler.NewDelivery(deliveryService, logger)
deliveryAttemptHandler := handler.NewDeliveryAttempt(deliveryAttemptService, logger)
httpPort := env.GetInt("POSTMAND_HTTP_PORT", 8000)
mux := http.NewRouter(logger)
mux.Route("/v1/webhooks", func(r chi.Router) {
r.Get("/", webhookHandler.List)
r.Post("/", webhookHandler.Create)
r.Get("/{webhook_id}", webhookHandler.Get)
r.Put("/{webhook_id}", webhookHandler.Update)
r.Delete("/{webhook_id}", webhookHandler.Delete)
})
mux.Route("/v1/deliveries", func(r chi.Router) {
r.Get("/", deliveryHandler.List)
r.Post("/", deliveryHandler.Create)
r.Get("/{delivery_id}", deliveryHandler.Get)
r.Delete("/{delivery_id}", deliveryHandler.Delete)
})
mux.Route("/v1/delivery-attempts", func(r chi.Router) {
r.Get("/", deliveryAttemptHandler.List)
r.Get("/{delivery_attempt_id}", deliveryAttemptHandler.Get)
})
mux.Get("/swagger/*", httpSwagger.Handler(
httpSwagger.URL("/swagger/doc.json"), //The url pointing to API definition"
))
server := http.NewServer(mux, httpPort, logger)
server.Run()
return nil
},
},
}
err = app.Run(os.Args)
if err != nil {
logger.Fatal("cli-error", zap.Error(err))
}
}