refactor code

cmd/africastalking/main.go

@@ -13,26 +13,23 @@ import (
 	"syscall"
 
 	"git.defalsify.org/vise.git/asm"
-	"git.defalsify.org/vise.git/db"
-	fsdb "git.defalsify.org/vise.git/db/fs"
-	gdbmdb "git.defalsify.org/vise.git/db/gdbm"
 	"git.defalsify.org/vise.git/engine"
 	"git.defalsify.org/vise.git/logging"
 	"git.defalsify.org/vise.git/resource"
 
 	"git.grassecon.net/urdt/ussd/internal/handlers"
-	"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
 	httpserver "git.grassecon.net/urdt/ussd/internal/http"
+	"git.grassecon.net/urdt/ussd/internal/storage"
 )
 
 var (
-	logg = logging.NewVanilla()
+	logg      = logging.NewVanilla()
 	scriptDir = path.Join("services", "registration")
 )
 
-type atRequestParser struct {}
+type atRequestParser struct{}
 
-func(arp *atRequestParser) GetSessionId(rq any) (string, error) {
+func (arp *atRequestParser) GetSessionId(rq any) (string, error) {
 	rqv, ok := rq.(*http.Request)
 	if !ok {
 		return "", handlers.ErrInvalidRequest
@@ -49,7 +46,7 @@ func(arp *atRequestParser) GetSessionId(rq any) (string, error) {
 	return phoneNumber, nil
 }
 
-func(arp *atRequestParser) GetInput(rq any) ([]byte, error) {
+func (arp *atRequestParser) GetInput(rq any) ([]byte, error) {
 	rqv, ok := rq.(*http.Request)
 	if !ok {
 		return nil, handlers.ErrInvalidRequest
@@ -68,7 +65,6 @@ func(arp *atRequestParser) GetInput(rq any) ([]byte, error) {
 	return []byte(parts[len(parts)-1]), nil
 }
 
-
 func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
 	flagParser := asm.NewFlagParser().WithDebug()
 	_, err := flagParser.Load(fp)
@@ -78,86 +74,6 @@ func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
 	return flagParser, nil
 }
 
-func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, userdataStore db.Db) (*ussd.Handlers, error) {
-
-	ussdHandlers, err := ussd.NewHandlers(appFlags, userdataStore)
-	if err != nil {
-		return nil, err
-	}
-	rs.AddLocalFunc("set_language", ussdHandlers.SetLanguage)
-	rs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
-	rs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
-	rs.AddLocalFunc("verify_pin", ussdHandlers.VerifyPin)
-	rs.AddLocalFunc("check_identifier", ussdHandlers.CheckIdentifier)
-	rs.AddLocalFunc("check_account_status", ussdHandlers.CheckAccountStatus)
-	rs.AddLocalFunc("authorize_account", ussdHandlers.Authorize)
-	rs.AddLocalFunc("quit", ussdHandlers.Quit)
-	rs.AddLocalFunc("check_balance", ussdHandlers.CheckBalance)
-	rs.AddLocalFunc("validate_recipient", ussdHandlers.ValidateRecipient)
-	rs.AddLocalFunc("transaction_reset", ussdHandlers.TransactionReset)
-	rs.AddLocalFunc("max_amount", ussdHandlers.MaxAmount)
-	rs.AddLocalFunc("validate_amount", ussdHandlers.ValidateAmount)
-	rs.AddLocalFunc("reset_transaction_amount", ussdHandlers.ResetTransactionAmount)
-	rs.AddLocalFunc("get_recipient", ussdHandlers.GetRecipient)
-	rs.AddLocalFunc("get_sender", ussdHandlers.GetSender)
-	rs.AddLocalFunc("get_amount", ussdHandlers.GetAmount)
-	rs.AddLocalFunc("reset_incorrect", ussdHandlers.ResetIncorrectPin)
-	rs.AddLocalFunc("save_firstname", ussdHandlers.SaveFirstname)
-	rs.AddLocalFunc("save_familyname", ussdHandlers.SaveFamilyname)
-	rs.AddLocalFunc("save_gender", ussdHandlers.SaveGender)
-	rs.AddLocalFunc("save_location", ussdHandlers.SaveLocation)
-	rs.AddLocalFunc("save_yob", ussdHandlers.SaveYob)
-	rs.AddLocalFunc("save_offerings", ussdHandlers.SaveOfferings)
-	rs.AddLocalFunc("quit_with_balance", ussdHandlers.QuitWithBalance)
-	rs.AddLocalFunc("reset_account_authorized", ussdHandlers.ResetAccountAuthorized)
-	rs.AddLocalFunc("reset_allow_update", ussdHandlers.ResetAllowUpdate)
-	rs.AddLocalFunc("get_profile_info", ussdHandlers.GetProfileInfo)
-	rs.AddLocalFunc("verify_yob", ussdHandlers.VerifyYob)
-	rs.AddLocalFunc("reset_incorrect_date_format", ussdHandlers.ResetIncorrectYob)
-	rs.AddLocalFunc("set_reset_single_edit", ussdHandlers.SetResetSingleEdit)
-	rs.AddLocalFunc("initiate_transaction", ussdHandlers.InitiateTransaction)
-	rs.AddLocalFunc("save_temporary_pin", ussdHandlers.SaveTemporaryPin)
-	rs.AddLocalFunc("verify_new_pin", ussdHandlers.VerifyNewPin)
-	rs.AddLocalFunc("confirm_pin_change", ussdHandlers.ConfirmPinChange)
-	rs.AddLocalFunc("quit_with_help",ussdHandlers.QuitWithHelp)
-
-	return ussdHandlers, nil
-}
-
-func ensureDbDir(dbDir string) error {
-	err := os.MkdirAll(dbDir, 0700)
-	if err != nil {
-		return fmt.Errorf("state dir create exited with error: %v\n", err)
-	}
-	return nil
-}
-
-func getStateStore(dbDir string, ctx context.Context) (db.Db, error) {
-	store := gdbmdb.NewGdbmDb()
-	storeFile := path.Join(dbDir, "state.gdbm")
-	store.Connect(ctx, storeFile)
-	return store, nil
-}
-
-func getUserdataDb(dbDir string, ctx context.Context) db.Db {
-	store := gdbmdb.NewGdbmDb()
-	storeFile := path.Join(dbDir, "userdata.gdbm")
-	store.Connect(ctx, storeFile)
-	
-	return store
-}
-
-func getResource(resourceDir string, ctx context.Context) (resource.Resource, error) {
-	store := fsdb.NewFsDb()
-	err := store.Connect(ctx, resourceDir)
-	if err != nil {
-		return nil, err
-	}
-	rfs := resource.NewDbResource(store)
-	return rfs, nil
-}
-
-
 func main() {
 	var dbDir string
 	var resourceDir string
@@ -175,7 +91,7 @@ func main() {
 	flag.UintVar(&port, "p", 7123, "http port")
 	flag.Parse()
 
-	logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir,  "outputsize", size)
+	logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir, "outputsize", size)
 
 	ctx := context.Background()
 	pfp := path.Join(scriptDir, "pp.csv")
@@ -197,19 +113,21 @@ func main() {
 		cfg.EngineDebug = true
 	}
 
-	rs, err := getResource(resourceDir, ctx)
+	menuStorageService := storage.MenuStorageService{}
+
+	rs, err := menuStorageService.GetResource(scriptDir, ctx)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, err.Error())
 		os.Exit(1)
 	}
 
-	err = ensureDbDir(dbDir)
+	err = menuStorageService.EnsureDbDir(dbDir)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, err.Error())
 		os.Exit(1)
 	}
 
-	userdataStore := getUserdataDb(dbDir, ctx)
+	userdataStore := menuStorageService.GetUserdataDb(dbDir, ctx)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, err.Error())
 		os.Exit(1)
@@ -220,14 +138,26 @@ func main() {
 	if !ok {
 		os.Exit(1)
 	}
+	lhs := handlers.LocalHandlerService{
+		Parser:        flagParser,
+		DbRs:          dbResource,
+		UserdataStore: userdataStore,
+		Cfg:           cfg,
+		Rs:            rs,
+	}
 
-	hl, err := getHandler(flagParser, dbResource, userdataStore)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, err.Error())
 		os.Exit(1)
 	}
 
-	stateStore, err := getStateStore(dbDir, ctx)
+	hl, err := lhs.GetHandler()
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	stateStore, err := menuStorageService.GetStateStore(dbDir, ctx)
 	if err != nil {
 		fmt.Fprintf(os.Stderr, err.Error())
 		os.Exit(1)
@@ -238,7 +168,7 @@ func main() {
 	bsh := handlers.NewBaseSessionHandler(cfg, rs, stateStore, userdataStore, rp, hl)
 	sh := httpserver.NewATSessionHandler(bsh)
 	s := &http.Server{
-		Addr: fmt.Sprintf("%s:%s", host, strconv.Itoa(int(port))),
+		Addr:    fmt.Sprintf("%s:%s", host, strconv.Itoa(int(port))),
 		Handler: sh,
 	}
 	s.RegisterOnShutdown(sh.Shutdown)