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path: root/pkg/handler/router.go
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package handler

import (
	"net/http"

	serverconfig "git.gabrielgio.me/cerrado/pkg/config"
	"git.gabrielgio.me/cerrado/pkg/ext"
	"git.gabrielgio.me/cerrado/pkg/handler/about"
	"git.gabrielgio.me/cerrado/pkg/handler/auth"
	"git.gabrielgio.me/cerrado/pkg/handler/git"
	"git.gabrielgio.me/cerrado/pkg/handler/static"
	"git.gabrielgio.me/cerrado/pkg/service"
)

// Mount handler gets the requires service and repository to build the handlers
// This functons wraps the whole handler package and wraps it into one part so
// its sub package don't leak in other places.
func MountHandler(
	gitService *service.GitService,
	authService *service.AuthService,
	configRepo *serverconfig.ConfigurationRepository,
) (http.Handler, error) {
	var (
		gitHandler   = git.NewGitHandler(gitService, configRepo)
		aboutHandler = about.NewAboutHandler(configRepo)
		loginHandler = auth.NewLoginHandler(authService)
	)

	staticHandler, err := static.ServeStaticHandler()
	if err != nil {
		return nil, err
	}

	mux := ext.NewRouter()
	mux.AddMiddleware(ext.Compress)
	mux.AddMiddleware(ext.Log)
	mux.AddMiddleware(ext.VerifyRespository(configRepo))

	if configRepo.IsAuthEnabled() {
		mux.AddMiddleware(ext.Authenticate(authService))
		mux.HandleFunc("/login/{$}", loginHandler.Login)
		mux.HandleFunc("/logout/{$}", loginHandler.Logout)
	} else {
		mux.AddMiddleware(ext.DisableAuthentication)
	}

	mux.HandleFunc("/static/{file}", staticHandler)
	mux.HandleFunc("/{name}/about/{$}", gitHandler.About)
	mux.HandleFunc("/{name}/", gitHandler.Summary)
	mux.HandleFunc("/{name}/refs/{$}", gitHandler.Refs)
	mux.HandleFunc("/{name}/tree/{ref}/{rest...}", gitHandler.Tree)
	mux.HandleFunc("/{name}/blob/{ref}/{rest...}", gitHandler.Blob)
	mux.HandleFunc("/{name}/log/{ref}/", gitHandler.Log)
	mux.HandleFunc("/{name}/commit/{ref}/", gitHandler.Commit)
	mux.HandleFunc("/{name}/archive/{file}", gitHandler.Archive)
	mux.HandleFunc("/about", aboutHandler.About)
	mux.HandleFunc("/", gitHandler.List)
	return mux.Handler(), nil
}