main.go

package main

import (
	"fmt"

	"github.com/go-playground/validator/v10"
	"github.com/ic-matcom/api.dapp/api/endpoints"
	"github.com/ic-matcom/api.dapp/api/middlewares"
	_ "github.com/ic-matcom/api.dapp/docs"
	"github.com/ic-matcom/api.dapp/service/utils"
	"github.com/iris-contrib/swagger/v12"              // swagger middleware for Iris
	"github.com/iris-contrib/swagger/v12/swaggerFiles" // swagger embed files
	"github.com/kataras/iris/v12"
	"github.com/kataras/iris/v12/middleware/logger"

	_ "github.com/lib/pq"
)

// @title eVote
// @version 0.0
// @description Hyperledger Fabric blockchain solution for electronic election system

// @contact.name Instituto Criptografía MATCOM,UH
// @contact.url http://www.matcom.uh.cu/
// @contact.email username@matcom.uh.cu

// @authorizationurl https://example.com/oauth/authorize

// TIPS This Ip here 👇🏽  must be change when compiling to deploy, can't figure out how to do it dynamically with Iris.

// @host localhost:7001
// @BasePath /
func main() {
	// region ======== GLOBALS ===============================================================
	v := validator.New() // Validator instance. Reference https://github.com/kataras/iris/wiki/Model-validation | https://github.com/go-playground/validator

	app := iris.New() // App instance
	app.Validator = v // Register validation on the iris app

	// Services
	svcConfig := utils.NewSvcConfig()              // Creating Configuration Service
	svcResponse := utils.NewSvcResponse(svcConfig) // Creating Response Service
	// endregion =============================================================================

	// region ======== MIDDLEWARES ===========================================================
	// Our custom CORS middleware.
	crs := func(ctx iris.Context) {
		ctx.Header("Access-Control-Allow-Origin", "*")
		ctx.Header("Access-Control-Allow-Credentials", "true")

		if ctx.Method() == iris.MethodOptions {
			ctx.Header("Access-Control-Methods",
				"POST, PUT, PATCH, DELETE")

			ctx.Header("Access-Control-Allow-Headers",
				"Access-Control-Allow-Origin,Content-Type,authorization")

			ctx.Header("Access-Control-Max-Age",
				"86400")

			ctx.StatusCode(iris.StatusNoContent)
			return
		}

		ctx.Next()
	}

	// built-ins
	app.Use(logger.New())
	app.UseRouter(crs) // Recovery middleware recovers from any panics and writes a 500 if there was one.

	// custom middleware
	MdwAuthChecker := middlewares.NewAuthCheckerMiddleware([]byte(svcConfig.JWTSignKey))

	// endregion =============================================================================

	// region ======== ENDPOINT REGISTRATIONS ================================================

	endpoints.NewAuthHandler(app, &MdwAuthChecker, svcResponse, svcConfig)
	endpoints.NewBlockchainTxsHandler(app, &MdwAuthChecker, svcResponse, svcConfig) // Blockchain transactions handlers
	endpoints.NewFilesTxsHandler(app, &MdwAuthChecker, svcResponse, svcConfig)
	endpoints.NewUserTxsHandler(app, &MdwAuthChecker, svcResponse, svcConfig)
	// endregion =============================================================================

	// region ======== SWAGGER REGISTRATION ==================================================
	// sc == swagger config
	sc := &swagger.Config{
		DeepLinking: true,
		URL:         "http://" + svcConfig.ApiDocIp + ":" + svcConfig.DappPort + "/swagger/apidoc.json", // The url pointing to API definition
	}

	// use swagger middleware to
	app.Get("/swagger/{any:path}", swagger.CustomWrapHandler(sc, swaggerFiles.Handler))
	// endregion =============================================================================

	addr := fmt.Sprintf("%s:%s", svcConfig.ApiDocIp, svcConfig.DappPort)

	// run localhost
	app.Listen(addr)
}

// TODO: the node-client and node-peer connection must be invoke with client  identity making the request