clean -up tests

Reviewed-on: #58

cmd/africastalking/main.go

@@ -0,0 +1,261 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"net/http"
+	"os"
+	"os/signal"
+	"path"
+	"strconv"
+	"strings"
+	"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"
+)
+
+var (
+	logg = logging.NewVanilla()
+	scriptDir = path.Join("services", "registration")
+)
+
+type atRequestParser struct {}
+
+func(arp *atRequestParser) GetSessionId(rq any) (string, error) {
+	rqv, ok := rq.(*http.Request)
+	if !ok {
+		return "", handlers.ErrInvalidRequest
+	}
+	if err := rqv.ParseForm(); err != nil {
+		return "", fmt.Errorf("failed to parse form data: %v", err)
+	}
+
+	phoneNumber := rqv.FormValue("phoneNumber")
+	if phoneNumber == "" {
+		return "", fmt.Errorf("no phone number found")
+	}
+
+	return phoneNumber, nil
+}
+
+func(arp *atRequestParser) GetInput(rq any) ([]byte, error) {
+	rqv, ok := rq.(*http.Request)
+	if !ok {
+		return nil, handlers.ErrInvalidRequest
+	}
+	if err := rqv.ParseForm(); err != nil {
+		return nil, fmt.Errorf("failed to parse form data: %v", err)
+	}
+
+	text := rqv.FormValue("text")
+
+	parts := strings.Split(text, "*")
+	if len(parts) == 0 {
+		return nil, fmt.Errorf("no input found")
+	}
+
+	return []byte(parts[len(parts)-1]), nil
+}
+
+
+func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
+	flagParser := asm.NewFlagParser().WithDebug()
+	_, err := flagParser.Load(fp)
+	if err != nil {
+		return nil, err
+	}
+	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
+	var size uint
+	var engineDebug bool
+	var stateDebug bool
+	var host string
+	var port uint
+	flag.StringVar(&dbDir, "dbdir", ".state", "database dir to read from")
+	flag.StringVar(&resourceDir, "resourcedir", path.Join("services", "registration"), "resource dir")
+	flag.BoolVar(&engineDebug, "engine-debug", false, "use engine debug output")
+	flag.BoolVar(&stateDebug, "state-debug", false, "use engine debug output")
+	flag.UintVar(&size, "s", 160, "max size of output")
+	flag.StringVar(&host, "h", "127.0.0.1", "http host")
+	flag.UintVar(&port, "p", 7123, "http port")
+	flag.Parse()
+
+	logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir,  "outputsize", size)
+
+	ctx := context.Background()
+	pfp := path.Join(scriptDir, "pp.csv")
+	flagParser, err := getFlags(pfp, true)
+
+	if err != nil {
+		os.Exit(1)
+	}
+
+	cfg := engine.Config{
+		Root:       "root",
+		OutputSize: uint32(size),
+		FlagCount:  uint32(16),
+	}
+	if stateDebug {
+		cfg.StateDebug = true
+	}
+	if engineDebug {
+		cfg.EngineDebug = true
+	}
+
+	rs, err := getResource(resourceDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	err = ensureDbDir(dbDir)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	userdataStore := getUserdataDb(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+	defer userdataStore.Close()
+
+	dbResource, ok := rs.(*resource.DbResource)
+	if !ok {
+		os.Exit(1)
+	}
+
+	hl, err := getHandler(flagParser, dbResource, userdataStore)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	stateStore, err := getStateStore(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+	defer stateStore.Close()
+
+	rp := &atRequestParser{}
+	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))),
+		Handler: sh,
+	}
+	s.RegisterOnShutdown(sh.Shutdown)
+
+	cint := make(chan os.Signal)
+	cterm := make(chan os.Signal)
+	signal.Notify(cint, os.Interrupt, syscall.SIGINT)
+	signal.Notify(cterm, os.Interrupt, syscall.SIGTERM)
+	go func() {
+		select {
+		case _ = <-cint:
+		case _ = <-cterm:
+		}
+		s.Shutdown(ctx)
+	}()
+	err = s.ListenAndServe()
+	if err != nil {
+		logg.Infof("Server closed with error", "err", err)
+	}
+}

cmd/async/main.go

@@ -0,0 +1,255 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"os"
+	"os/signal"
+	"path"
+	"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/resource"
+	"git.defalsify.org/vise.git/logging"
+
+	"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
+	"git.grassecon.net/urdt/ussd/internal/handlers"
+)
+
+var (
+	logg = logging.NewVanilla()
+	scriptDir = path.Join("services", "registration")
+)
+
+type asyncRequestParser struct {
+	sessionId string
+	input []byte
+}
+
+func(p *asyncRequestParser) GetSessionId(r any) (string, error) {
+	return p.sessionId, nil
+}
+
+func(p *asyncRequestParser) GetInput(r any) ([]byte, error) {
+	return p.input, nil
+}
+
+func getFlags(fp string, debug bool) (*asm.FlagParser, error) {
+	flagParser := asm.NewFlagParser().WithDebug()
+	_, err := flagParser.Load(fp)
+	if err != nil {
+		return nil, err
+	}
+	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 sessionId string
+	var dbDir string
+	var resourceDir string
+	var size uint
+	var engineDebug bool
+	var stateDebug bool
+	var host string
+	var port uint
+	flag.StringVar(&sessionId, "session-id", "075xx2123", "session id")
+	flag.StringVar(&dbDir, "dbdir", ".state", "database dir to read from")
+	flag.StringVar(&resourceDir, "resourcedir", path.Join("services", "registration"), "resource dir")
+	flag.BoolVar(&engineDebug, "engine-debug", false, "use engine debug output")
+	flag.BoolVar(&stateDebug, "state-debug", false, "use engine debug output")
+	flag.UintVar(&size, "s", 160, "max size of output")
+	flag.StringVar(&host, "h", "127.0.0.1", "http host")
+	flag.UintVar(&port, "p", 7123, "http port")
+	flag.Parse()
+
+	logg.Infof("start command", "dbdir", dbDir, "resourcedir", resourceDir,  "outputsize", size, "sessionId", sessionId)
+
+	ctx := context.Background()
+	pfp := path.Join(scriptDir, "pp.csv")
+	flagParser, err := getFlags(pfp, true)
+
+	if err != nil {
+		os.Exit(1)
+	}
+
+	cfg := engine.Config{
+		Root:       "root",
+		OutputSize: uint32(size),
+		FlagCount:  uint32(16),
+	}
+	if stateDebug {
+		cfg.StateDebug = true
+	}
+	if engineDebug {
+		cfg.EngineDebug = true
+	}
+
+	rs, err := getResource(resourceDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	err = ensureDbDir(dbDir)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	userdataStore := getUserdataDb(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+	defer userdataStore.Close()
+
+	dbResource, ok := rs.(*resource.DbResource)
+	if !ok {
+		os.Exit(1)
+	}
+
+	hl, err := getHandler(flagParser, dbResource, userdataStore)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+
+	stateStore, err := getStateStore(dbDir, ctx)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, err.Error())
+		os.Exit(1)
+	}
+	defer stateStore.Close()
+
+	rp := &asyncRequestParser{
+		sessionId: sessionId,
+	}
+	sh := handlers.NewBaseSessionHandler(cfg, rs, stateStore, userdataStore, rp, hl)
+	cfg.SessionId = sessionId
+	rqs := handlers.RequestSession{
+		Ctx: ctx,
+		Writer: os.Stdout,
+		Config: cfg,
+	}
+
+	cint := make(chan os.Signal)
+	cterm := make(chan os.Signal)
+	signal.Notify(cint, os.Interrupt, syscall.SIGINT)
+	signal.Notify(cterm, os.Interrupt, syscall.SIGTERM)
+	go func() {
+		select {
+		case _ = <-cint:
+		case _ = <-cterm:
+		}
+		sh.Shutdown()
+	}()
+
+	for true {
+		rqs, err = sh.Process(rqs)
+		if err != nil {
+			fmt.Errorf("error in process: %v", err)
+			os.Exit(1)
+		}
+		rqs, err = sh.Output(rqs)
+		if err != nil {
+			fmt.Errorf("error in output: %v", err)
+			os.Exit(1)
+		}
+		rqs, err = sh.Reset(rqs)
+		if err != nil {
+			fmt.Errorf("error in reset: %v", err)
+			os.Exit(1)
+		}
+		fmt.Println("")
+		_, err = fmt.Scanln(&rqs.Input)
+		if err != nil {
+		fmt.Errorf("error in input: %v", err)
+			os.Exit(1)
+		}
+	}
+}

cmd/http/main.go

@@ -20,6 +20,7 @@ import (
 	"git.defalsify.org/vise.git/logging"
 
 	"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
+	"git.grassecon.net/urdt/ussd/internal/handlers"
 	httpserver "git.grassecon.net/urdt/ussd/internal/http"
 )
 
@@ -43,7 +44,7 @@ func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, userdataStore
 	if err != nil {
 		return nil, err
 	}
-	rs.AddLocalFunc("select_language", ussdHandlers.SetLanguage)
+	rs.AddLocalFunc("set_language", ussdHandlers.SetLanguage)
 	rs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
 	rs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
 	rs.AddLocalFunc("verify_pin", ussdHandlers.VerifyPin)
@@ -75,6 +76,10 @@ func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, userdataStore
 	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
 }
@@ -112,6 +117,7 @@ func getResource(resourceDir string, ctx context.Context) (resource.Resource, er
 	return rfs, nil
 }
 
+
 func main() {
 	var dbDir string
 	var resourceDir string
@@ -189,8 +195,8 @@ func main() {
 	defer stateStore.Close()
 
 	rp := &httpserver.DefaultRequestParser{}
-	//sh := httpserver.NewSessionHandler(cfg, rs, stateStore, userdataStore, rp, hl.Init)
-	sh := httpserver.NewSessionHandler(cfg, rs, stateStore, userdataStore, rp, hl)
+	bsh := handlers.NewBaseSessionHandler(cfg, rs, stateStore, userdataStore, rp, hl)
+	sh := httpserver.ToSessionHandler(bsh)
 	s := &http.Server{
 		Addr: fmt.Sprintf("%s:%s", host, strconv.Itoa(int(port))),
 		Handler: sh,

cmd/main.go

@@ -39,7 +39,7 @@ func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, pe *persist.P
 		return nil, err
 	}
 	ussdHandlers = ussdHandlers.WithPersister(pe)
-	rs.AddLocalFunc("select_language", ussdHandlers.SetLanguage)
+	rs.AddLocalFunc("set_language", ussdHandlers.SetLanguage)
 	rs.AddLocalFunc("create_account", ussdHandlers.CreateAccount)
 	rs.AddLocalFunc("save_pin", ussdHandlers.SavePin)
 	rs.AddLocalFunc("verify_pin", ussdHandlers.VerifyPin)
@@ -71,7 +71,10 @@ func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, pe *persist.P
 	rs.AddLocalFunc("reset_incorrect_date_format", ussdHandlers.ResetIncorrectYob)
 	rs.AddLocalFunc("set_reset_single_edit", ussdHandlers.SetResetSingleEdit)
 	rs.AddLocalFunc("initiate_transaction", ussdHandlers.InitiateTransaction)
-	rs.AddLocalFunc("quit_with_help", ussdHandlers.QuitWithHelp)
+	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
 }

go.mod

@@ -3,14 +3,12 @@ module git.grassecon.net/urdt/ussd
 go 1.22.6
 
 require (
-	git.defalsify.org/vise.git v0.1.0-rc.3.0.20240911162138-1f2af8672dc7
+	git.defalsify.org/vise.git v0.1.0-rc.3.0.20240911231817-0d23e0dbb57f
 	github.com/alecthomas/assert/v2 v2.2.2
 	github.com/peteole/testdata-loader v0.3.0
 	gopkg.in/leonelquinteros/gotext.v1 v1.3.1
 )
 
-require gopkg.in/dnaeon/go-vcr.v4 v4.0.1 // indirect
-
 require (
 	github.com/alecthomas/participle/v2 v2.0.0 // indirect
 	github.com/alecthomas/repr v0.2.0 // indirect

go.sum

@@ -1,5 +1,5 @@
-git.defalsify.org/vise.git v0.1.0-rc.3.0.20240911162138-1f2af8672dc7 h1:embPZDx0Sgpq6jp9vcZ1GVI0eum3PsPCmAfxAa/1KLI=
-git.defalsify.org/vise.git v0.1.0-rc.3.0.20240911162138-1f2af8672dc7/go.mod h1:JDguWmcoWBdsnpw7PUjVZAEpdC/ubBmjdUBy3tjP63M=
+git.defalsify.org/vise.git v0.1.0-rc.3.0.20240911231817-0d23e0dbb57f h1:CuJvG3NyMoRtHUim4aZdrfjjJBg2AId7z0yp7Q97bRM=
+git.defalsify.org/vise.git v0.1.0-rc.3.0.20240911231817-0d23e0dbb57f/go.mod h1:JDguWmcoWBdsnpw7PUjVZAEpdC/ubBmjdUBy3tjP63M=
 github.com/alecthomas/assert/v2 v2.2.2 h1:Z/iVC0xZfWTaFNE6bA3z07T86hd45Xe2eLt6WVy2bbk=
 github.com/alecthomas/assert/v2 v2.2.2/go.mod h1:pXcQ2Asjp247dahGEmsZ6ru0UVwnkhktn7S0bBDLxvQ=
 github.com/alecthomas/participle/v2 v2.0.0 h1:Fgrq+MbuSsJwIkw3fEj9h75vDP0Er5JzepJ0/HNHv0g=
@@ -30,8 +30,6 @@ github.com/x448/float16 v0.8.4 h1:qLwI1I70+NjRFUR3zs1JPUCgaCXSh3SW62uAKT1mSBM=
 github.com/x448/float16 v0.8.4/go.mod h1:14CWIYCyZA/cWjXOioeEpHeN/83MdbZDRQHoFcYsOfg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/dnaeon/go-vcr.v4 v4.0.1 h1:dIFuOqqDZIJ9BTcK+DXmElzypQ6PV9fBQZSIwY+J1yM=
-gopkg.in/dnaeon/go-vcr.v4 v4.0.1/go.mod h1:65yxh9goQVrudqofKtHA4JNFWd6XZRkWfKN4YpMx7KI=
 gopkg.in/leonelquinteros/gotext.v1 v1.3.1 h1:8d9/fdTG0kn/B7NNGV1BsEyvektXFAbkMsTZS2sFSCc=
 gopkg.in/leonelquinteros/gotext.v1 v1.3.1/go.mod h1:X1WlGDeAFIYsW6GjgMm4VwUwZ2XjI7Zan2InxSUQWrU=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=

internal/handlers/base.go

@@ -0,0 +1,117 @@
+package handlers
+
+import (
+	"git.defalsify.org/vise.git/db"
+	"git.defalsify.org/vise.git/engine"
+	"git.defalsify.org/vise.git/persist"
+	"git.defalsify.org/vise.git/resource"
+
+	"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
+	"git.grassecon.net/urdt/ussd/internal/storage"
+)
+
+type BaseSessionHandler struct {
+	cfgTemplate engine.Config
+	rp RequestParser
+	rs resource.Resource
+	hn *ussd.Handlers
+	provider storage.StorageProvider
+}
+
+func NewBaseSessionHandler(cfg engine.Config, rs resource.Resource, stateDb db.Db, userdataDb db.Db, rp RequestParser, hn *ussd.Handlers) *BaseSessionHandler {
+	return &BaseSessionHandler{
+		cfgTemplate: cfg,
+		rs: rs,
+		hn: hn,
+		rp: rp,
+		provider: storage.NewSimpleStorageProvider(stateDb, userdataDb),
+	}
+}
+
+func(f* BaseSessionHandler) Shutdown() {
+	err := f.provider.Close()
+	if err != nil {
+		logg.Errorf("handler shutdown error", "err", err)
+	}
+}
+
+func(f *BaseSessionHandler) GetEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) engine.Engine {
+	en := engine.NewEngine(cfg, rs)
+	en = en.WithPersister(pr)
+	return en
+}
+
+func(f *BaseSessionHandler) Process(rqs RequestSession) (RequestSession, error) {
+	var r bool
+	var err error
+	var ok bool
+	
+	logg.InfoCtxf(rqs.Ctx, "new request",  rqs)
+
+	rqs.Storage, err = f.provider.Get(rqs.Config.SessionId)
+	if err != nil {
+		logg.ErrorCtxf(rqs.Ctx, "", "storage get error", err)
+		return rqs, ErrStorage
+	}
+
+	f.hn = f.hn.WithPersister(rqs.Storage.Persister)
+	eni := f.GetEngine(rqs.Config, f.rs, rqs.Storage.Persister)
+	en, ok := eni.(*engine.DefaultEngine)
+	if !ok {
+		perr := f.provider.Put(rqs.Config.SessionId, rqs.Storage)
+		rqs.Storage = nil
+		if perr != nil {
+			logg.ErrorCtxf(rqs.Ctx, "", "storage put error", perr)
+		}
+		return rqs, ErrEngineType
+	}
+	en = en.WithFirst(f.hn.Init)
+	if rqs.Config.EngineDebug {
+		en = en.WithDebug(nil)
+	}
+	rqs.Engine = en
+
+	r, err = rqs.Engine.Init(rqs.Ctx)
+	if err != nil {
+		perr := f.provider.Put(rqs.Config.SessionId, rqs.Storage)
+		rqs.Storage = nil
+		if perr != nil {
+			logg.ErrorCtxf(rqs.Ctx, "", "storage put error", perr)
+		}
+		return rqs, err
+	}
+
+	if r && len(rqs.Input) > 0 {
+		r, err = rqs.Engine.Exec(rqs.Ctx, rqs.Input)
+	}
+	if err != nil {
+		perr := f.provider.Put(rqs.Config.SessionId, rqs.Storage)
+		rqs.Storage = nil
+		if perr != nil {
+			logg.ErrorCtxf(rqs.Ctx, "", "storage put error", perr)
+		}
+		return rqs, err
+	}
+
+	rqs.Continue = r 
+	return rqs, nil
+}
+
+func(f *BaseSessionHandler) Output(rqs RequestSession) (RequestSession,  error) {
+	var err error
+	_, err = rqs.Engine.WriteResult(rqs.Ctx, rqs.Writer)
+	return rqs, err
+}
+
+func(f *BaseSessionHandler) Reset(rqs RequestSession) (RequestSession, error) {
+	defer f.provider.Put(rqs.Config.SessionId, rqs.Storage)
+	return rqs, rqs.Engine.Finish()
+}
+
+func(f *BaseSessionHandler) GetConfig() engine.Config {
+	return f.cfgTemplate
+}
+
+func(f *BaseSessionHandler) GetRequestParser() RequestParser {
+	return f.rp
+}

internal/handlers/server/account_service_offline_test.go

@@ -1,129 +0,0 @@
-//go:build !online
-// +build !online
-
-package server
-
-import (
-	"testing"
-
-	"github.com/alecthomas/assert/v2"
-	"gopkg.in/dnaeon/go-vcr.v4/pkg/recorder"
-)
-
-func TestCheckBalanceOffline(t *testing.T) {
-	r, err := recorder.New("custodial/balance")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer r.Stop()
-
-	client := r.GetDefaultClient()
-
-	as := AccountService{
-		Client: client,
-	}
-	tests := []struct {
-		name      string
-		balance   string
-		publicKey string
-	}{
-		{
-			name:      "Test check balance with correct public key",
-			publicKey: "0x216a4A64E1e699F9d65Dd9CbD0058dAB21DeF002",
-			balance:   "3.06000000003 CELO",
-		},
-		{
-			name:      "Test check balance with public key that doesn't exist in the custodial system",
-			balance:   "",
-			publicKey: "0x216a4A64E1e699F9d65Dd9CbD0058dAB21DeF00",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			balance, err := as.CheckBalance(tt.publicKey)
-			if err != nil {
-				t.Fatalf("Failed to get balance with error %s", err)
-			}
-			if err != nil {
-
-				return
-			}
-			assert.NoError(t, err)
-			assert.Equal(t, balance, tt.balance, "Expected balance and actual balance should be equal")
-
-		})
-	}
-
-}
-
-func TestCheckAccountStatusOffline(t *testing.T) {
-	r, err := recorder.New("custodial/status")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer r.Stop()
-
-	client := r.GetDefaultClient()
-
-	as := AccountService{
-		Client: client,
-	}
-	tests := []struct {
-		name       string
-		status     string
-		trackingId string
-	}{
-		{
-			name:       "Test check status with tracking id that exists in the custodial system",
-			trackingId: "bb23945b-65cd-4110-ac2e-a5df40572e18",
-			status:     "SUCCESS",
-		},
-		{
-			name:       "Test check status with tracking id that doesn't exist in the custodial system",
-			status:     "",
-			trackingId: "bb23945b-65cd-4110-ac2e-a5df40572e1",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			status, err := as.CheckAccountStatus(tt.trackingId)
-			if err != nil {
-				t.Fatalf("Failed to account status with error %s", err)
-			}
-			if err != nil {
-				return
-			}
-			assert.NoError(t, err)
-			assert.Equal(t, status, tt.status, "Expected status and actual status should be equal")
-
-		})
-	}
-
-}
-
-func TestCreateAccountOffline(t *testing.T) {
-	r, err := recorder.New("custodial/create")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer r.Stop()
-
-	client := r.GetDefaultClient()
-
-	as := AccountService{
-		Client: client,
-	}
-	accountRes, err := as.CreateAccount()
-
-	if err != nil {
-		t.Fatalf("Failed to create an account with error %s", err)
-	}
-	if err != nil {
-		return
-	}
-	assert.NoError(t, err)
-	assert.Equal(t, accountRes.Ok, true, "account response status is true")
-
-}

internal/handlers/server/account_service_online_test.go

@@ -1,130 +0,0 @@
-//go:build online
-// +build online
-
-package server
-
-import (
-	"net/http"
-	"testing"
-
-	"github.com/alecthomas/assert/v2"
-	"gopkg.in/dnaeon/go-vcr.v4/pkg/recorder"
-)
-
-func TestCheckBalance(t *testing.T) {
-	r, err := recorder.New("custodial/balance")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer r.Stop()
-
-	client := &http.Client{}
-
-	as := AccountService{
-		Client: client,
-	}
-	tests := []struct {
-		name      string
-		balance   string
-		publicKey string
-	}{
-		{
-			name:      "Test check balance with correct public key",
-			publicKey: "0x216a4A64E1e699F9d65Dd9CbD0058dAB21DeF002",
-			balance:   "3.06000000003 CELO",
-		},
-		{
-			name:      "Test check balance with public key that doesn't exist in the custodial system",
-			balance:   "",
-			publicKey: "0x216a4A64E1e699F9d65Dd9CbD0058dAB21DeF00",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			balance, err := as.CheckBalance(tt.publicKey)
-			if err != nil {
-				t.Fatalf("Failed to get balance with error %s", err)
-			}
-			if err != nil {
-
-				return
-			}
-			assert.NoError(t, err)
-			assert.Equal(t, balance, tt.balance, "Expected balance and actual balance should be equal")
-
-		})
-	}
-
-}
-
-func TestCheckAccountStatus(t *testing.T) {
-	r, err := recorder.New("custodial/status")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer r.Stop()
-
-	client := &http.Client{}
-
-	as := AccountService{
-		Client: client,
-	}
-	tests := []struct {
-		name       string
-		status     string
-		trackingId string
-	}{
-		{
-			name:       "Test check status with tracking id that exists in the custodial system",
-			trackingId: "bb23945b-65cd-4110-ac2e-a5df40572e18",
-			status:     "SUCCESS",
-		},
-		{
-			name:       "Test check status with tracking id that doesn't exist in the custodial system",
-			status:     "",
-			trackingId: "bb23945b-65cd-4110-ac2e-a5df40572e1",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			status, err := as.CheckAccountStatus(tt.trackingId)
-			if err != nil {
-				t.Fatalf("Failed to account status with error %s", err)
-			}
-			if err != nil {
-				return
-			}
-			assert.NoError(t, err)
-			assert.Equal(t, status, tt.status, "Expected status and actual status should be equal")
-
-		})
-	}
-
-}
-
-func TestCreateAccount(t *testing.T) {
-	r, err := recorder.New("custodial/create")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer r.Stop()
-
-	client := &http.Client{}
-
-	as := AccountService{
-		Client: client,
-	}
-	accountRes, err := as.CreateAccount()
-
-	if err != nil {
-		t.Fatalf("Failed to create an account with error %s", err)
-	}
-	if err != nil {
-		return
-	}
-	assert.NoError(t, err)
-	assert.Equal(t, accountRes.Ok, true, "account response status is true")
-
-}

internal/handlers/server/accountservice.go

@@ -16,7 +16,6 @@ type AccountServiceInterface interface {
 }
 
 type AccountService struct {
-	Client *http.Client
 }
 
 
@@ -35,8 +34,7 @@ type AccountService struct {
 //     If no error occurs, this will be nil.
 //
 func (as *AccountService) CheckAccountStatus(trackingId string) (string, error) {
-	resp,err := as.Client.Get(config.TrackStatusURL + trackingId)
-	// resp, err := http.Get(config.TrackStatusURL + trackingId)
+	resp, err := http.Get(config.TrackStatusURL + trackingId)
 	if err != nil {
 		return "", err
 	}
@@ -64,8 +62,7 @@ func (as *AccountService) CheckAccountStatus(trackingId string) (string, error)
 //   - publicKey: The public key associated with the account whose balance needs to be checked.
 func (as *AccountService) CheckBalance(publicKey string) (string, error) {
 
-	//resp, err := http.Get(config.BalanceURL + publicKey)
-	resp, err := as.Client.Get(config.BalanceURL + publicKey)
+	resp, err := http.Get(config.BalanceURL + publicKey)
 	if err != nil {
 		return "0.0", err
 	}
@@ -94,8 +91,7 @@ func (as *AccountService) CheckBalance(publicKey string) (string, error) {
 //   - error: An error if any occurred during the HTTP request, reading the response, or unmarshalling the JSON data.
 //     If no error occurs, this will be nil.
 func (as *AccountService) CreateAccount() (*models.AccountResponse, error) {
-	//resp, err := http.Post(config.CreateAccountURL, "application/json", nil)
-	resp, err := as.Client.Post(config.CreateAccountURL, "application/json", nil)
+	resp, err := http.Post(config.CreateAccountURL, "application/json", nil)
 	if err != nil {
 		return nil, err
 	}

internal/handlers/server/accountservice_test.go

@@ -1,126 +0,0 @@
-package server
-
-import (
-	"testing"
-
-	"github.com/alecthomas/assert/v2"
-	"gopkg.in/dnaeon/go-vcr.v4/pkg/recorder"
-)
-
-func TestCheckBalance(t *testing.T) {
-	r, err := recorder.New("custodial/balance")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer r.Stop()
-
-	client := r.GetDefaultClient()
-
-	as := AccountService{
-		Client: client,
-	}
-	tests := []struct {
-		name      string
-		balance   string
-		publicKey string
-	}{
-		{
-			name:      "Test check balance with correct public key",
-			publicKey: "0x216a4A64E1e699F9d65Dd9CbD0058dAB21DeF002",
-			balance:   "3.06000000003 CELO",
-		},
-		{
-			name:      "Test check balance with public key that doesn't exist in the custodial system",
-			balance:   "",
-			publicKey: "0x216a4A64E1e699F9d65Dd9CbD0058dAB21DeF00",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			balance, err := as.CheckBalance(tt.publicKey)
-			if err != nil {
-				t.Fatalf("Failed to get balance with error %s", err)
-			}
-			if err != nil {
-
-				return
-			}
-			assert.NoError(t, err)
-			assert.Equal(t, balance, tt.balance, "Expected balance and actual balance should be equal")
-
-		})
-	}
-
-}
-
-func TestCheckAccountStatus(t *testing.T) {
-	r, err := recorder.New("custodial/status")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer r.Stop()
-
-	client := r.GetDefaultClient()
-
-	as := AccountService{
-		Client: client,
-	}
-	tests := []struct {
-		name       string
-		status     string
-		trackingId string
-	}{
-		{
-			name:       "Test check status with tracking id that exists in the custodial system",
-			trackingId: "bb23945b-65cd-4110-ac2e-a5df40572e18",
-			status:     "SUCCESS",
-		},
-		{
-			name:       "Test check status with tracking id that doesn't exist in the custodial system",
-			status:     "",
-			trackingId: "bb23945b-65cd-4110-ac2e-a5df40572e1",
-		},
-	}
-
-	for _, tt := range tests {
-		t.Run(tt.name, func(t *testing.T) {
-			status, err := as.CheckAccountStatus(tt.trackingId)
-			if err != nil {
-				t.Fatalf("Failed to account status with error %s", err)
-			}
-			if err != nil {
-				return
-			}
-			assert.NoError(t, err)
-			assert.Equal(t, status, tt.status, "Expected status and actual status should be equal")
-
-		})
-	}
-
-}
-
-func TestCreateAccount(t *testing.T) {
-	r, err := recorder.New("custodial/create")
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer r.Stop()
-
-	client := r.GetDefaultClient()
-
-	as := AccountService{
-		Client: client,
-	}
-	accountRes, err := as.CreateAccount()
-
-	if err != nil {
-		t.Fatalf("Failed to create an account with error %s", err)
-	}
-	if err != nil {
-		return
-	}
-	assert.NoError(t, err)
-	assert.Equal(t, accountRes.Ok, true, "account response status is true")
-
-}

internal/handlers/single.go

@@ -0,0 +1,56 @@
+package handlers
+
+import (
+	"context"
+	"errors"
+	"io"
+
+	"git.defalsify.org/vise.git/engine"
+	"git.defalsify.org/vise.git/resource"
+	"git.defalsify.org/vise.git/persist"
+	"git.defalsify.org/vise.git/logging"
+
+	"git.grassecon.net/urdt/ussd/internal/storage"
+)
+
+var (
+	logg = logging.NewVanilla().WithDomain("handlers")
+)
+
+var (
+	ErrInvalidRequest = errors.New("invalid request for context")
+	ErrSessionMissing = errors.New("missing session")
+	ErrInvalidInput = errors.New("invalid input")
+	ErrStorage = errors.New("storage retrieval fail")
+	ErrEngineType = errors.New("incompatible engine")
+	ErrEngineInit = errors.New("engine init fail")
+	ErrEngineExec = errors.New("engine exec fail")
+)
+
+type RequestSession struct {
+	Ctx context.Context
+	Config engine.Config
+	Engine engine.Engine
+	Input []byte
+	Storage *storage.Storage
+	Writer io.Writer
+	Continue bool
+}
+
+type engineMaker func(cfg engine.Config, rs resource.Resource, pr *persist.Persister) engine.Engine
+
+// TODO: seems like can remove this.
+type RequestParser interface {
+	GetSessionId(rq any) (string, error)
+	GetInput(rq any) ([]byte, error)
+}
+
+type RequestHandler interface {
+	GetConfig() engine.Config
+	GetRequestParser() RequestParser
+	GetEngine(cfg engine.Config, rs resource.Resource, pe *persist.Persister) engine.Engine 
+	Process(rs RequestSession) (RequestSession, error)
+	Output(rs RequestSession) (RequestSession, error)
+	Reset(rs RequestSession) (RequestSession, error)
+	Shutdown()
+}

internal/handlers/ussd/menuhandler.go

@@ -4,7 +4,6 @@ import (
 	"bytes"
 	"context"
 	"fmt"
-	"net/http"
 	"path"
 	"regexp"
 	"strconv"
@@ -74,13 +73,10 @@ func NewHandlers(appFlags *asm.FlagParser, userdataStore db.Db) (*Handlers, erro
 	userDb := &utils.UserDataStore{
 		Db: userdataStore,
 	}
-	client := &http.Client{}
 	h := &Handlers{
-		userdataStore: userDb,
-		flagManager:   appFlags,
-		accountService: &server.AccountService{
-			Client: client,
-		},
+		userdataStore:  userDb,
+		flagManager:    appFlags,
+		accountService: &server.AccountService{},
 	}
 	return h, nil
 }
@@ -125,15 +121,15 @@ func (h *Handlers) Init(ctx context.Context, sym string, input []byte) (resource
 // SetLanguage sets the language across the menu
 func (h *Handlers) SetLanguage(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
-	var err error
 
-	inputStr := string(input)
-	switch inputStr {
-	case "0":
-		res.FlagSet = []uint32{state.FLAG_LANG}
+	sym, _ = h.st.Where()
+
+	switch sym {
+	case "set_default":
+		res.FlagSet = append(res.FlagSet, state.FLAG_LANG)
 		res.Content = "eng"
-	case "1":
-		res.FlagSet = []uint32{state.FLAG_LANG}
+	case "set_swa":
+		res.FlagSet = append(res.FlagSet, state.FLAG_LANG)
 		res.Content = "swa"
 	default:
 	}
@@ -220,6 +216,74 @@ func (h *Handlers) SavePin(ctx context.Context, sym string, input []byte) (resou
 	return res, nil
 }
 
+func (h *Handlers) VerifyNewPin(ctx context.Context, sym string, input []byte) (resource.Result, error) {
+	res := resource.Result{}
+	_, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
+	flag_valid_pin, _ := h.flagManager.GetFlag("flag_valid_pin")
+	pinInput := string(input)
+	// Validate that the PIN is a 4-digit number
+	if isValidPIN(pinInput) {
+		res.FlagSet = append(res.FlagSet, flag_valid_pin)
+	} else {
+		res.FlagReset = append(res.FlagReset, flag_valid_pin)
+	}
+
+	return res, nil
+}
+
+func (h *Handlers) SaveTemporaryPin(ctx context.Context, sym string, input []byte) (resource.Result, error) {
+	var res resource.Result
+	var err error
+
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
+	flag_incorrect_pin, _ := h.flagManager.GetFlag("flag_incorrect_pin")
+
+	accountPIN := string(input)
+
+	// Validate that the PIN is a 4-digit number
+	if !isValidPIN(accountPIN) {
+		res.FlagSet = append(res.FlagSet, flag_incorrect_pin)
+		return res, nil
+	}
+	store := h.userdataStore
+	err = store.WriteEntry(ctx, sessionId, utils.DATA_TEMPORARY_PIN, []byte(accountPIN))
+	if err != nil {
+		return res, err
+	}
+	return res, nil
+}
+
+func (h *Handlers) ConfirmPinChange(ctx context.Context, sym string, input []byte) (resource.Result, error) {
+	var res resource.Result
+	sessionId, ok := ctx.Value("SessionId").(string)
+	if !ok {
+		return res, fmt.Errorf("missing session")
+	}
+	flag_pin_mismatch, _ := h.flagManager.GetFlag("flag_pin_mismatch")
+
+	store := h.userdataStore
+	temporaryPin, err := store.ReadEntry(ctx, sessionId, utils.DATA_TEMPORARY_PIN)
+	if err != nil {
+		return res, err
+	}
+	if bytes.Equal(temporaryPin, input) {
+		res.FlagReset = append(res.FlagReset, flag_pin_mismatch)
+	} else {
+		res.FlagSet = append(res.FlagSet, flag_pin_mismatch)
+	}
+	err = store.WriteEntry(ctx, sessionId, utils.DATA_ACCOUNT_PIN, []byte(temporaryPin))
+	if err != nil {
+		return res, err
+	}
+	return res, nil
+}
+
 // SetResetSingleEdit sets and resets  flags to allow gradual editing of profile information.
 func (h *Handlers) SetResetSingleEdit(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
@@ -326,9 +390,6 @@ func (h *Handlers) SaveFamilyname(ctx context.Context, sym string, input []byte)
 		if err != nil {
 			return res, err
 		}
-		if err != nil {
-			return res, nil
-		}
 	} else {
 		return res, fmt.Errorf("a family name cannot be less than one character")
 	}
@@ -502,7 +563,6 @@ func (h *Handlers) Authorize(ctx context.Context, sym string, input []byte) (res
 	} else {
 		return res, nil
 	}
-
 	return res, nil
 }
 
@@ -544,6 +604,7 @@ func (h *Handlers) CheckAccountStatus(ctx context.Context, sym string, input []b
 	if err != nil {
 		return res, nil
 	}
+
 	if status == "SUCCESS" {
 		res.FlagSet = append(res.FlagSet, flag_account_success)
 		res.FlagReset = append(res.FlagReset, flag_account_pending)
@@ -569,6 +630,22 @@ func (h *Handlers) Quit(ctx context.Context, sym string, input []byte) (resource
 	return res, nil
 }
 
+// QuitWithHelp displays helpline information then exits the menu
+func (h *Handlers) QuitWithHelp(ctx context.Context, sym string, input []byte) (resource.Result, error) {
+	var res resource.Result
+
+	flag_account_authorized, _ := h.flagManager.GetFlag("flag_account_authorized")
+
+	code := codeFromCtx(ctx)
+	l := gotext.NewLocale(translationDir, code)
+	l.AddDomain("default")
+
+	res.Content = l.Get("For more help,please call: 0757628885")
+	res.FlagReset = append(res.FlagReset, flag_account_authorized)
+	return res, nil
+}
+
+
 // VerifyYob verifies the length of the given input
 func (h *Handlers) VerifyYob(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
@@ -758,7 +835,6 @@ func (h *Handlers) ValidateAmount(ctx context.Context, sym string, input []byte)
 	if err != nil {
 		return res, err
 	}
-
 	res.Content = balanceStr
 
 	// Parse the balance
@@ -766,7 +842,6 @@ func (h *Handlers) ValidateAmount(ctx context.Context, sym string, input []byte)
 	if len(balanceParts) != 2 {
 		return res, fmt.Errorf("unexpected balance format: %s", balanceStr)
 	}
-
 	balanceValue, err := strconv.ParseFloat(balanceParts[0], 64)
 	if err != nil {
 		return res, fmt.Errorf("failed to parse balance: %v", err)
@@ -776,7 +851,6 @@ func (h *Handlers) ValidateAmount(ctx context.Context, sym string, input []byte)
 	re := regexp.MustCompile(`^(\d+(\.\d+)?)\s*(?:CELO)?$`)
 	matches := re.FindStringSubmatch(strings.TrimSpace(amountStr))
 	if len(matches) < 2 {
-
 		res.FlagSet = append(res.FlagSet, flag_invalid_amount)
 		res.Content = amountStr
 		return res, nil
@@ -784,7 +858,6 @@ func (h *Handlers) ValidateAmount(ctx context.Context, sym string, input []byte)
 
 	inputAmount, err := strconv.ParseFloat(matches[1], 64)
 	if err != nil {
-
 		res.FlagSet = append(res.FlagSet, flag_invalid_amount)
 		res.Content = amountStr
 		return res, nil
@@ -797,7 +870,6 @@ func (h *Handlers) ValidateAmount(ctx context.Context, sym string, input []byte)
 	}
 
 	res.Content = fmt.Sprintf("%.3f", inputAmount) // Format to 3 decimal places
-	store = h.userdataStore
 	err = store.WriteEntry(ctx, sessionId, utils.DATA_AMOUNT, []byte(amountStr))
 	if err != nil {
 		return res, err

internal/handlers/ussd/menuhandler_test.go

@@ -349,7 +349,7 @@ func TestSaveGender(t *testing.T) {
 			}
 
 			// Call the method
-			_, err := h.SaveGender(ctx, "someSym", tt.input)
+			_, err := h.SaveGender(ctx, "save_gender", tt.input)
 
 			// Assert no error
 			assert.NoError(t, err)
@@ -538,64 +538,56 @@ func TestSetLanguage(t *testing.T) {
 	}
 	// Define test cases
 	tests := []struct {
-		name                string
-		input               []byte
-		expectedFlags       []uint32
-		expectedResult      resource.Result
-		flagManagerResponse uint32
-		flagManagerError    error
+		name           string
+		execPath       []string
+		expectedResult resource.Result
 	}{
 		{
-			name:          "English language",
-			input:         []byte("0"),
-			expectedFlags: []uint32{state.FLAG_LANG, 123},
+			name:     "Set Default Language (English)",
+			execPath: []string{"set_default"},
 			expectedResult: resource.Result{
 				FlagSet: []uint32{state.FLAG_LANG, 8},
 				Content: "eng",
 			},
-			flagManagerResponse: 123,
-			flagManagerError:    nil,
 		},
 		{
-			name:          "Swahili language",
-			input:         []byte("1"),
-			expectedFlags: []uint32{state.FLAG_LANG, 123},
+			name:     "Set Swahili Language",
+			execPath: []string{"set_swa"},
 			expectedResult: resource.Result{
 				FlagSet: []uint32{state.FLAG_LANG, 8},
 				Content: "swa",
 			},
-			flagManagerResponse: 123,
-			flagManagerError:    nil,
 		},
 		{
-			name:          "Unhandled Input",
-			input:         []byte("3"),
-			expectedFlags: []uint32{123},
+			name:     "Unhandled path",
+			execPath: []string{""},
 			expectedResult: resource.Result{
 				FlagSet: []uint32{8},
 			},
-			flagManagerResponse: 123,
-			flagManagerError:    nil,
 		},
 	}
 
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			mockState := state.NewState(16)
+			// Set the ExecPath
+			mockState.ExecPath = tt.execPath
 
 			// Create the Handlers instance with the mock flag manager
 			h := &Handlers{
 				flagManager: fm.parser,
+				st:          mockState,
 			}
 
 			// Call the method
-			res, err := h.SetLanguage(context.Background(), "set_language", tt.input)
+			res, err := h.SetLanguage(context.Background(), "set_language", nil)
 
 			if err != nil {
 				t.Error(err)
 			}
 
 			// Assert that the Result FlagSet has the required flags after language switch
-			assert.Equal(t, res, tt.expectedResult, "Flags should be equal to account created")
+			assert.Equal(t, res, tt.expectedResult, "Result should match expected result")
 
 		})
 	}
@@ -1109,27 +1101,26 @@ func TestCheckAccountStatus(t *testing.T) {
 				FlagReset: []uint32{flag_account_pending},
 			},
 		},
-		// {
-		// 	name:   "Test when account status is not Success",
-		// 	input:  []byte("TrackingId1234"),
-		// 	status: "REVERTED",
-		// 	expectedResult: resource.Result{
-		// 		FlagReset: []uint32{flag_account_pending},
-		// 		FlagSet:   []uint32{flag_account_success},
-		// 	},
-		// },
+		{
+			name:   "Test when account status is not a success",
+			input:  []byte("TrackingId12"),
+			status: "REVERTED",
+			expectedResult: resource.Result{
+				FlagSet:   []uint32{flag_account_success},
+				FlagReset: []uint32{flag_account_pending},
+			},
+		},
 	}
 
 	typ := utils.DATA_TRACKING_ID
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
+			mockCreateAccountService.On("CheckAccountStatus", string(tt.input)).Return(tt.status, nil)
 
+			mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_ACCOUNT_STATUS, []byte(tt.status)).Return(nil).Maybe()
 			// Define expected interactions with the mock
 			mockDataStore.On("ReadEntry", ctx, sessionId, typ).Return(tt.input, nil)
 
-			mockCreateAccountService.On("CheckAccountStatus", string(tt.input)).Return(tt.status, nil)
-			mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_ACCOUNT_STATUS, []byte(tt.status)).Return(nil)
-
 			// Call the method under test
 			res, _ := h.CheckAccountStatus(ctx, "check_status", tt.input)
 
@@ -1306,7 +1297,6 @@ func TestInitiateTransaction(t *testing.T) {
 			mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_PUBLIC_KEY).Return(tt.PublicKey, nil)
 			mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_AMOUNT).Return(tt.Amount, nil)
 			mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_RECIPIENT).Return(tt.Recipient, nil)
-			//mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_AMOUNT, []byte("")).Return(nil)
 
 			// Call the method under test
 			res, _ := h.InitiateTransaction(ctx, "transaction_reset_amount", tt.input)
@@ -1497,7 +1487,7 @@ func TestValidateAmount(t *testing.T) {
 	if err != nil {
 		t.Logf(err.Error())
 	}
-	//flag_invalid_amount, _ := fm.parser.GetFlag("flag_invalid_amount")
+	flag_invalid_amount, _ := fm.parser.GetFlag("flag_invalid_amount")
 	mockDataStore := new(mocks.MockUserDataStore)
 	mockCreateAccountService := new(mocks.MockAccountService)
 
@@ -1526,26 +1516,26 @@ func TestValidateAmount(t *testing.T) {
 				Content: "0.001",
 			},
 		},
-		// {
-		// 	name:      "Test with amount larger than balance",
-		// 	input:     []byte("0.02"),
-		// 	balance:   "0.003 CELO",
-		// 	publicKey: []byte("0xrqeqrequuq"),
-		// 	expectedResult: resource.Result{
-		// 		FlagSet: []uint32{flag_invalid_amount},
-		// 		Content: "0.02",
-		// 	},
-		// },
-		// {
-		// 	name:      "Test with invalid amount",
-		// 	input:     []byte("0.02ms"),
-		// 	balance:   "0.003 CELO",
-		// 	publicKey: []byte("0xrqeqrequuq"),
-		// 	expectedResult: resource.Result{
-		// 		FlagSet: []uint32{flag_invalid_amount},
-		// 		Content: "0.02ms",
-		// 	},
-		// },
+		{
+			name:      "Test with amount larger than balance",
+			input:     []byte("0.02"),
+			balance:   "0.003 CELO",
+			publicKey: []byte("0xrqeqrequuq"),
+			expectedResult: resource.Result{
+				FlagSet: []uint32{flag_invalid_amount},
+				Content: "0.02",
+			},
+		},
+		{
+			name:      "Test with invalid amount",
+			input:     []byte("0.02ms"),
+			balance:   "0.003 CELO",
+			publicKey: []byte("0xrqeqrequuq"),
+			expectedResult: resource.Result{
+				FlagSet: []uint32{flag_invalid_amount},
+				Content: "0.02ms",
+			},
+		},
 	}
 
 	for _, tt := range tests {
@@ -1553,7 +1543,7 @@ func TestValidateAmount(t *testing.T) {
 
 			mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_PUBLIC_KEY).Return(tt.publicKey, nil)
 			mockCreateAccountService.On("CheckBalance", string(tt.publicKey)).Return(tt.balance, nil)
-			mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_AMOUNT, tt.input).Return(nil)
+			mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_AMOUNT, tt.input).Return(nil).Maybe()
 
 			// Call the method under test
 			res, _ := h.ValidateAmount(ctx, "test_validate_amount", tt.input)
@@ -1688,17 +1678,6 @@ func TestGetProfile(t *testing.T) {
 				),
 			},
 		},
-		// {
-		// 	name:        "Test with yob not provided",
-		// 	keys:        []utils.DataTyp{utils.DATA_FAMILY_NAME, utils.DATA_FIRST_NAME, utils.DATA_GENDER, utils.DATA_OFFERINGS, utils.DATA_LOCATION, utils.DATA_YOB},
-		// 	profileInfo: []string{"Doee", "John", "Male", "Bananas", "Kilifi", "Not Provided"},
-		// 	result: resource.Result{
-		// 		Content: fmt.Sprintf(
-		// 			"Name: %s\nGender: %s\nAge: %s\nLocation: %s\nYou provide: %s\n",
-		// 			"John Doee", "Male", "Not Provided", "Kilifi", "Bananas",
-		// 		),
-		// 	},
-		// },
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
@@ -1716,3 +1695,156 @@ func TestGetProfile(t *testing.T) {
 		})
 	}
 }
+
+func TestVerifyNewPin(t *testing.T) {
+	sessionId := "session123"
+
+	fm, _ := NewFlagManager(flagsPath)
+
+	flag_valid_pin, _ := fm.parser.GetFlag("flag_valid_pin")
+	mockDataStore := new(mocks.MockUserDataStore)
+	mockCreateAccountService := new(mocks.MockAccountService)
+	h := &Handlers{
+		userdataStore:  mockDataStore,
+		flagManager:    fm.parser,
+		accountService: mockCreateAccountService,
+	}
+	ctx := context.WithValue(context.Background(), "SessionId", sessionId)
+
+	tests := []struct {
+		name           string
+		input          []byte
+		expectedResult resource.Result
+	}{
+		{
+			name:  "Test with valid pin",
+			input: []byte("1234"),
+			expectedResult: resource.Result{
+				FlagSet: []uint32{flag_valid_pin},
+			},
+		},
+		{
+			name:  "Test with invalid pin",
+			input: []byte("123"),
+			expectedResult: resource.Result{
+				FlagReset: []uint32{flag_valid_pin},
+			},
+		},
+		{
+			name:  "Test with invalid pin",
+			input: []byte("12345"),
+			expectedResult: resource.Result{
+				FlagReset: []uint32{flag_valid_pin},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+
+			//Call the function under test
+			res, _ := h.VerifyNewPin(ctx, "verify_new_pin", tt.input)
+
+			// Assert that expectations were met
+			mockDataStore.AssertExpectations(t)
+
+			//Assert that the result set to content is what was expected
+			assert.Equal(t, res, tt.expectedResult, "Result should contain flags set according to user input")
+
+		})
+	}
+
+}
+
+func TestSaveTemporaryPIn(t *testing.T) {
+
+	fm, err := NewFlagManager(flagsPath)
+
+	if err != nil {
+		t.Logf(err.Error())
+	}
+
+	// Create a new instance of UserDataStore
+	mockStore := new(mocks.MockUserDataStore)
+
+	// Define test data
+	sessionId := "session123"
+	PIN := "1234"
+	ctx := context.WithValue(context.Background(), "SessionId", sessionId)
+
+	// Set up the expected behavior of the mock
+	mockStore.On("WriteEntry", ctx, sessionId, utils.DATA_TEMPORARY_PIN, []byte(PIN)).Return(nil)
+
+	// Create the Handlers instance with the mock store
+	h := &Handlers{
+		userdataStore: mockStore,
+		flagManager:   fm.parser,
+	}
+
+	// Call the method
+	res, err := h.SaveTemporaryPin(ctx, "save_temporary_pin", []byte(PIN))
+
+	// Assert results
+	assert.NoError(t, err)
+	assert.Equal(t, resource.Result{}, res)
+
+	// Assert all expectations were met
+	mockStore.AssertExpectations(t)
+}
+
+func TestConfirmPin(t *testing.T) {
+	sessionId := "session123"
+
+	fm, _ := NewFlagManager(flagsPath)
+	flag_pin_mismatch, _ := fm.parser.GetFlag("flag_pin_mismatch")
+	mockDataStore := new(mocks.MockUserDataStore)
+	mockCreateAccountService := new(mocks.MockAccountService)
+	h := &Handlers{
+		userdataStore:  mockDataStore,
+		flagManager:    fm.parser,
+		accountService: mockCreateAccountService,
+	}
+	ctx := context.WithValue(context.Background(), "SessionId", sessionId)
+
+	tests := []struct {
+		name           string
+		input          []byte
+		temporarypin   []byte
+		expectedResult resource.Result
+	}{
+		{
+			name:         "Test with correct pin confirmation",
+			input:        []byte("1234"),
+			temporarypin: []byte("1234"),
+			expectedResult: resource.Result{
+				FlagReset: []uint32{flag_pin_mismatch},
+			},
+		},
+		{
+			name:         "Test with different pin confirmation",
+			input:        []byte("1234"),
+			temporarypin: []byte("12345"),
+			expectedResult: resource.Result{
+				FlagSet: []uint32{flag_pin_mismatch},
+			},
+		},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			// Set up the expected behavior of the mock
+			mockDataStore.On("WriteEntry", ctx, sessionId, utils.DATA_ACCOUNT_PIN, []byte(tt.temporarypin)).Return(nil).Maybe()
+
+			mockDataStore.On("ReadEntry", ctx, sessionId, utils.DATA_TEMPORARY_PIN).Return(tt.temporarypin, nil)
+
+			//Call the function under test
+			res, _ := h.ConfirmPinChange(ctx, "confirm_pin_change", tt.temporarypin)
+
+			// Assert that expectations were met
+			mockDataStore.AssertExpectations(t)
+
+			//Assert that the result set to content is what was expected
+			assert.Equal(t, res, tt.expectedResult, "Result should contain flags set according to user input")
+
+		})
+	}
+
+}

internal/http/at_session_handler.go

@@ -0,0 +1,93 @@
+package http
+
+import (
+	"io"
+	"net/http"
+
+	"git.grassecon.net/urdt/ussd/internal/handlers"
+)
+
+type ATSessionHandler struct {
+	*SessionHandler
+}
+
+func NewATSessionHandler(h handlers.RequestHandler) *ATSessionHandler {
+	return &ATSessionHandler{
+		SessionHandler: ToSessionHandler(h),
+	}
+}
+
+func (ash *ATSessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	var code int
+	var err error
+
+	rqs := handlers.RequestSession{
+		Ctx:    req.Context(),
+		Writer: w,
+	}
+
+	rp := ash.GetRequestParser()
+	cfg := ash.GetConfig()
+	cfg.SessionId, err = rp.GetSessionId(req)
+	if err != nil {
+		logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
+		ash.writeError(w, 400, err)
+	}
+	rqs.Config = cfg
+	rqs.Input, err = rp.GetInput(req)
+	if err != nil {
+		logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
+		ash.writeError(w, 400, err)
+		return
+	}
+
+	rqs, err = ash.Process(rqs)
+	switch err {
+	case handlers.ErrStorage:
+		code = 500
+	case handlers.ErrEngineInit:
+		code = 500
+	case handlers.ErrEngineExec:
+		code = 500
+	default:
+		code = 200
+	}
+
+	if code != 200 {
+		ash.writeError(w, 500, err)
+		return
+	}
+
+	w.WriteHeader(200)
+	w.Header().Set("Content-Type", "text/plain")
+	rqs, err = ash.Output(rqs)
+	if err != nil {
+		ash.writeError(w, 500, err)
+		return
+	}
+
+	rqs, err = ash.Reset(rqs)
+	if err != nil {
+		ash.writeError(w, 500, err)
+		return
+	}
+}
+
+func (ash *ATSessionHandler) Output(rqs handlers.RequestSession) (handlers.RequestSession, error) {
+	var err error
+	var prefix string
+
+	if rqs.Continue {
+		prefix = "CON "
+	} else {
+		prefix = "END "
+	}
+
+	_, err = io.WriteString(rqs.Writer, prefix)
+	if err != nil {
+		return rqs, err
+	}
+
+	_, err = rqs.Engine.WriteResult(rqs.Ctx, rqs.Writer)
+	return rqs, err
+}

internal/http/server.go

@@ -1,42 +1,42 @@
 package http
 
 import (
-	"fmt"
 	"io/ioutil"
 	"net/http"
+	"strconv"
 
-	"git.defalsify.org/vise.git/db"
-	"git.defalsify.org/vise.git/engine"
 	"git.defalsify.org/vise.git/logging"
-	"git.defalsify.org/vise.git/persist"
-	"git.defalsify.org/vise.git/resource"
 
-	"git.grassecon.net/urdt/ussd/internal/handlers/ussd"
+	"git.grassecon.net/urdt/ussd/internal/handlers"
 )
 
 var (
 	logg = logging.NewVanilla().WithDomain("httpserver")
 )
 
-type RequestParser interface {
-	GetSessionId(rq *http.Request) (string, error)
-	GetInput(rq *http.Request) ([]byte, error)
-}
-
 type DefaultRequestParser struct {
 }
 
-func(rp *DefaultRequestParser) GetSessionId(rq *http.Request) (string, error) {
-	v := rq.Header.Get("X-Vise-Session")
+
+func(rp *DefaultRequestParser) GetSessionId(rq any) (string, error) {
+	rqv, ok := rq.(*http.Request)
+	if !ok {
+		return "", handlers.ErrInvalidRequest
+	}
+	v := rqv.Header.Get("X-Vise-Session")
 	if v == "" {
-		return "", fmt.Errorf("no session found")
+		return "", handlers.ErrSessionMissing
 	}
 	return v, nil
 }
 
-func(rp *DefaultRequestParser) GetInput(rq *http.Request) ([]byte, error) {
-	defer rq.Body.Close()
-	v, err := ioutil.ReadAll(rq.Body)
+func(rp *DefaultRequestParser) GetInput(rq any) ([]byte, error) {
+	rqv, ok := rq.(*http.Request)
+	if !ok {
+		return nil, handlers.ErrInvalidRequest
+	}
+	defer rqv.Body.Close()
+	v, err := ioutil.ReadAll(rqv.Body)
 	if err != nil {
 		return nil, err
 	}
@@ -44,107 +44,79 @@ func(rp *DefaultRequestParser) GetInput(rq *http.Request) ([]byte, error) {
 }
 
 type SessionHandler struct {
-	cfgTemplate engine.Config
-	rp RequestParser
-	rs resource.Resource
-	//first resource.EntryFunc
-	hn *ussd.Handlers
-	provider StorageProvider
+	handlers.RequestHandler
 }
 
-//func NewSessionHandler(cfg engine.Config, rs resource.Resource, stateDb db.Db, userdataDb db.Db, rp RequestParser, first resource.EntryFunc) *SessionHandler {
-func NewSessionHandler(cfg engine.Config, rs resource.Resource, stateDb db.Db, userdataDb db.Db, rp RequestParser, hn *ussd.Handlers) *SessionHandler {
+func ToSessionHandler(h handlers.RequestHandler) *SessionHandler {
 	return &SessionHandler{
-		cfgTemplate: cfg,
-		rs: rs,
-		//first: first,
-		hn: hn,
-		rp: rp,
-		provider: NewSimpleStorageProvider(stateDb, userdataDb),
+		RequestHandler: h,
 	}
 }
 
-func(f *SessionHandler) writeError(w http.ResponseWriter, code int, msg string, err error) {
-	w.Header().Set("X-Vise", msg + ": " + err.Error())
-	w.Header().Set("Content-Length", "0")
+func(f *SessionHandler) writeError(w http.ResponseWriter, code int, err error) {
+	s := err.Error()
+	w.Header().Set("Content-Length", strconv.Itoa(len(s)))
 	w.WriteHeader(code)
 	_, err = w.Write([]byte{})
 	if err != nil {
+		logg.Errorf("error writing error!!", "err", err, "olderr", s)
 		w.WriteHeader(500)
-		w.Header().Set("X-Vise", err.Error())
 	}
 	return 
 }
 
-func(f* SessionHandler) Shutdown() {
-	err := f.provider.Close()
-	if err != nil {
-		logg.Errorf("handler shutdown error", "err", err)
-	}
-}
-
 func(f *SessionHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
-	var r bool
-	sessionId, err := f.rp.GetSessionId(req)
-	if err != nil {
-		f.writeError(w, 400, "Session missing", err)
-		return
-	}
-	input, err := f.rp.GetInput(req)
-	if err != nil {
-		f.writeError(w, 400, "Input read fail", err)
-		return
-	}
-	ctx := req.Context()
-	cfg := f.cfgTemplate
-	cfg.SessionId = sessionId
+	var code int
+	var err error
+	var perr error
 
-	logg.InfoCtxf(ctx, "new request",  "session", cfg.SessionId, "input", input)
-
-	storage, err := f.provider.Get(cfg.SessionId)
-	if err != nil {
-		f.writeError(w, 500, "Storage retrieval fail", err)
-		return
-	}
-	f.hn = f.hn.WithPersister(storage.Persister)
-	defer f.provider.Put(cfg.SessionId, storage)
-	en := getEngine(cfg, f.rs, storage.Persister)
-	en = en.WithFirst(f.hn.Init)
-	if cfg.EngineDebug {
-		en = en.WithDebug(nil)
+	rqs := handlers.RequestSession{
+		Ctx: req.Context(),
+		Writer: w,
 	}
 
-	r, err = en.Init(ctx)
+	rp := f.GetRequestParser()
+	cfg := f.GetConfig()
+	cfg.SessionId, err = rp.GetSessionId(req)
 	if err != nil {
-		f.writeError(w, 500, "Engine init fail", err)
+		logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
+		f.writeError(w, 400, err)
+	}
+	rqs.Config = cfg
+	rqs.Input, err = rp.GetInput(req)
+	if err != nil {
+		logg.ErrorCtxf(rqs.Ctx, "", "header processing error", err)
+		f.writeError(w, 400, err)
 		return
 	}
-	if r && len(input) > 0 {
-		r, err = en.Exec(ctx, input)
+
+	rqs, err = f.Process(rqs)
+	switch err {
+	case handlers.ErrStorage:
+		code = 500
+	case handlers.ErrEngineInit:
+		code = 500
+	case handlers.ErrEngineExec:
+		code = 500
+	default:
+		code = 200
 	}
-	if err != nil {
-		f.writeError(w, 500, "Engine exec fail", err)
+
+	if code != 200 {
+		f.writeError(w, 500, err)
 		return
 	}
 
 	w.WriteHeader(200)
 	w.Header().Set("Content-Type", "text/plain")
-	_, err = en.WriteResult(ctx, w)
+	rqs, err = f.Output(rqs)
+	rqs, perr = f.Reset(rqs)
 	if err != nil {
-		f.writeError(w, 500, "Write result fail", err)
+		f.writeError(w, 500, err)
 		return
 	}
-	err = en.Finish()
-	if err != nil {
-		f.writeError(w, 500, "Engine finish fail", err)
+	if perr != nil {
+		f.writeError(w, 500, perr)
 		return
 	}
-
-	_ = r
-}
-
-func getEngine(cfg engine.Config, rs resource.Resource, pr *persist.Persister) *engine.DefaultEngine {
-	en := engine.NewEngine(cfg, rs)
-	en = en.WithPersister(pr)
-	return en
 }

internal/storage/storage.go

@@ -1,4 +1,4 @@
-package http
+package storage
 
 import (
 	"git.defalsify.org/vise.git/db"
@@ -11,31 +11,31 @@ type Storage struct {
 }
 
 type StorageProvider interface {
-	Get(sessionId string) (Storage, error)
-	Put(sessionId string, storage Storage) error
+	Get(sessionId string) (*Storage, error)
+	Put(sessionId string, storage *Storage) error
 	Close() error
 }
 
 type SimpleStorageProvider struct {
-	Storage
+	*Storage
 }
 
 func NewSimpleStorageProvider(stateStore db.Db, userdataStore db.Db) StorageProvider {
 	pe := persist.NewPersister(stateStore)
 	pe = pe.WithFlush()
 	return &SimpleStorageProvider{
-		Storage: Storage{
+		Storage: &Storage{
 			Persister: pe,
 			UserdataDb: userdataStore,
 		},
 	}
 }
 
-func (p *SimpleStorageProvider) Get(sessionId string) (Storage, error) {
+func (p *SimpleStorageProvider) Get(sessionId string) (*Storage, error) {
 	return p.Storage, nil
 }
 
-func (p *SimpleStorageProvider) Put(sessionId string, storage Storage) error {
+func (p *SimpleStorageProvider) Put(sessionId string, storage *Storage) error {
 	return nil
 }
 

internal/utils/db.go

@@ -22,6 +22,7 @@ const (
 	DATA_OFFERINGS
 	DATA_RECIPIENT
 	DATA_AMOUNT
+	DATA_TEMPORARY_PIN
 )
 
 func typToBytes(typ DataTyp) []byte {

services/registration/Makefile

@@ -1,10 +1,11 @@
 # Variables to match files in the current directory
 INPUTS = $(wildcard ./*.vis)
 TXTS = $(wildcard ./*.txt.orig)
+VISE_PATH := ../../go-vise
 
 # Rule to build .bin files from .vis files
 %.vis:
-	go run  ../../go-vise/dev/asm/main.go -f pp.csv $(basename $@).vis > $(basename $@).bin
+	go run  $(VISE_PATH)/dev/asm/main.go -f pp.csv $(basename $@).vis > $(basename $@).bin
 	@echo "Built $(basename $@).bin from $(basename $@).vis"
 
 # Rule to copy .orig files to .txt

services/registration/back_menu_swa

@@ -1 +1 @@
-Rudi
+Rudi

services/registration/balances

@@ -1 +1 @@
-Balances:
+Balances:

services/registration/balances_swa

@@ -1 +1 @@
-Salio
+Salio:

services/registration/change_language

@@ -0,0 +1 @@
+Select language:

services/registration/change_language.vis

@@ -0,0 +1,10 @@
+LOAD reset_account_authorized 0
+LOAD reset_incorrect 0
+CATCH incorrect_pin flag_incorrect_pin 1
+CATCH pin_entry flag_account_authorized 0
+MOUT english 0
+MOUT kiswahili 1
+HALT
+INCMP set_default 0
+INCMP set_swa 1
+INCMP . *

services/registration/change_language_menu_swa

@@ -1 +1 @@
-Badili lugha
+Badili lugha

services/registration/change_language_swa

@@ -0,0 +1 @@
+Chagua lugha:

services/registration/change_pin_menu

@@ -1 +1 @@
-Change PIN
+Change PIN

services/registration/change_pin_menu_swa

@@ -1 +1 @@
-Badili PIN
+Badili PIN

services/registration/check_statement_menu

@@ -1 +1 @@
-Check statement
+Check statement

services/registration/community_balance

@@ -1,2 +1 @@
-Your community balance is: 0.00SRF
-
+Your community balance is: 0.00SRF

services/registration/community_balance_menu

@@ -1 +1 @@
-Community  balance
+Community balance

services/registration/confirm_pin_change

@@ -0,0 +1 @@
+Confirm your new PIN:

services/registration/confirm_pin_change.vis

@@ -0,0 +1,7 @@
+CATCH invalid_pin flag_valid_pin 0
+MOUT back 0
+HALT
+INCMP _ 0
+INCMP * pin_reset_success
+
+

services/registration/confirm_pin_change_swa

@@ -0,0 +1 @@
+Thibitisha PIN yako mpya:

services/registration/edit_name_menu

@@ -1 +1 @@
-Edit name
+Edit name

services/registration/edit_name_menu_swa

@@ -1 +1 @@
-Weka jina
+Weka jina

services/registration/edit_offerings_menu

@@ -1 +1 @@
-Edit offerings
+Edit offerings

services/registration/enter_familyname

@@ -1 +1 @@
-Enter family name:
+Enter family name:

services/registration/enter_location

@@ -1 +1 @@
-Enter your location:
+Enter your location:

services/registration/enter_name_swa

@@ -1 +1 @@
-Weka majina yako ya kwanza:
+Weka majina yako ya kwanza:

services/registration/female_menu

@@ -1 +1 @@
-Female
+Female

services/registration/guard_pin_menu

@@ -1 +1 @@
-Guard my PIN
+Guard my PIN

services/registration/guard_pin_menu_swa

@@ -1 +1 @@
-Linda PIN yangu
+Linda PIN yangu

services/registration/incorrect_date_format

@@ -1,2 +1,2 @@
 The year of birth you entered is invalid.
-Please try again.
+Please try again.

services/registration/incorrect_pin

@@ -1 +1 @@
-Incorrect  pin
+Incorrect pin

services/registration/invalid_pin

@@ -0,0 +1 @@
+The PIN you entered is invalid.The PIN must be different from your current PIN.For help call +254757628885

services/registration/invalid_pin.vis

@@ -0,0 +1,3 @@
+MOUT back 0
+HALT
+INCMP _ 0

services/registration/invalid_pin_swa

@@ -0,0 +1 @@
+PIN mpya na udhibitisho wa pin mpya hazilingani.Tafadhali jaribu tena.Kwa usaidizi piga simu +254757628885.

services/registration/language_changed

@@ -0,0 +1 @@
+Your language change request was successful.

services/registration/language_changed.vis

@@ -0,0 +1,5 @@
+MOUT back 0
+MOUT quit 9
+HALT
+INCMP ^ 0
+INCMP quit 9

services/registration/language_changed_swa

@@ -0,0 +1 @@
+Ombi lako la kubadilisha lugha limefanikiwa.

services/registration/locale/swa/default.po

@@ -6,3 +6,7 @@ msgstr "Ombi lako limetumwa. %s atapokea %s kutoka kwa %s."
 
 msgid "Thank you for using Sarafu. Goodbye!"
 msgstr "Asante kwa kutumia huduma ya Sarafu. Kwaheri!"
+
+
+msgid "For more help,please call: 0757628885"
+msgstr "Kwa usaidizi zaidi,piga: 0757628885"

services/registration/my_account.vis

@@ -9,6 +9,7 @@ MOUT back 0
 HALT
 INCMP _ 0
 INCMP edit_profile 1
+INCMP change_language 2
 INCMP balances 3
 INCMP pin_management 5
 INCMP address 6

services/registration/my_address_menu_swa

@@ -1 +1 @@
-Anwani yangu
+Anwani yangu

services/registration/my_balance_swa

@@ -1 +1 @@
-Salio lako ni: 0.00 SRF
+Salio lako ni: 0.00 SRF

services/registration/new_pin.vis

@@ -1,3 +1,13 @@
+LOAD authorize_account 12
+RELOAD authorize_account
+CATCH incorrect_pin flag_incorrect_pin 1
+CATCH old_pin flag_allow_update 0
 MOUT back 0
 HALT
 INCMP _ 0
+LOAD save_temporary_pin 6
+LOAD verify_new_pin 0
+RELOAD save_temporary_pin
+RELOAD verify_new_pin
+INCMP * confirm_pin_change
+

services/registration/new_pin_swa

@@ -0,0 +1,2 @@
+Weka PIN mpya ya nne nambari: 
+

services/registration/no_menu

@@ -1 +1 @@
-no
+no

services/registration/no_menu_swa

@@ -1 +1 @@
-la
+la

services/registration/old_pin.vis

@@ -1,9 +1,7 @@
-LOAD authorize_account 6
+LOAD reset_allow_update 0
 MOUT back 0
 HALT
-RELOAD authorize_account
-CATCH incorrect_pin flag_incorrect_pin 1
-MOVE new_pin
+RELOAD reset_allow_update
 INCMP _ 0
-
+INCMP new_pin *
 

services/registration/old_pin_swa

@@ -0,0 +1 @@
+Weka PIN yako ya zamani:

services/registration/pin_entry_swa

@@ -1 +1 @@
-Tafadhali weka PIN yako
+Tafadhali weka PIN yako

services/registration/pin_management

@@ -1 +1 @@
-PIN Management
+PIN Management

services/registration/pin_management.vis

@@ -5,3 +5,4 @@ MOUT back 0
 HALT
 INCMP _ 0
 INCMP old_pin  1
+

services/registration/pin_reset_mismatch

@@ -0,0 +1 @@
+The PIN is not a match. Try again

services/registration/pin_reset_mismatch.vis

@@ -0,0 +1,6 @@
+MOUT retry 1
+MOUT quit 9
+HALT
+INCMP confirm_pin_change 1
+INCMP quit 9
+

services/registration/pin_reset_success

@@ -0,0 +1 @@
+Your PIN change request has been successful

services/registration/pin_reset_success.vis

@@ -0,0 +1,10 @@
+LOAD confirm_pin_change 0
+RELOAD confirm_pin_change
+CATCH pin_reset_mismatch  flag_pin_mismatch 1
+MOUT back 0
+MOUT quit 9
+HALT
+INCMP main 0
+INCMP quit 9
+
+

services/registration/pin_reset_success_swa

@@ -0,0 +1 @@
+Ombi lako la kubadili PIN limefanikiwa

services/registration/profile_menu

@@ -1 +1 @@
-Profile
+Profile

services/registration/profile_menu_swa

@@ -1 +1 @@
-Wasifu  wangu
+Wasifu wangu

services/registration/quit_menu

@@ -0,0 +1 @@
+Quit

services/registration/quit_menu_swa

@@ -0,0 +1 @@
+Ondoka

services/registration/reset_pin_menu_swa

@@ -1 +1 @@
-Badili PIN ya mwenzio
+Badili PIN ya mwenzio

services/registration/select_language.vis

@@ -1,6 +1,6 @@
 MOUT english 0
 MOUT kiswahili 1
 HALT
-INCMP terms 0
-INCMP terms 1
+INCMP set_default 0
+INCMP set_swa 1
 INCMP . *

services/registration/send

@@ -1 +1 @@
-Enter recipient's phone number:
+Enter recipient's phone number:

services/registration/set_default.vis

@@ -0,0 +1,3 @@
+LOAD set_language 6
+CATCH terms flag_account_created 0
+MOVE language_changed

services/registration/set_swa.vis

@@ -0,0 +1,3 @@
+LOAD set_language 6
+CATCH terms flag_account_created 0
+MOVE language_changed

services/registration/terms.vis

@@ -1,5 +1,3 @@
-LOAD select_language 0
-RELOAD select_language
 MOUT yes 0
 MOUT no 1
 HALT

services/registration/transaction_pin

@@ -1,2 +1,2 @@
 {{.get_recipient}} will receive {{.validate_amount}} from {{.get_sender}}
-Please enter your PIN to confirm:
+Please enter your PIN to confirm:

services/registration/transaction_pin.vis

@@ -1,4 +1,3 @@
-LOAD authorize_account 6
 MAP validate_amount
 RELOAD get_recipient
 MAP get_recipient
@@ -7,9 +6,9 @@ MAP get_sender
 MOUT back 0
 MOUT quit 9
 HALT
+LOAD authorize_account 6
 RELOAD authorize_account
 CATCH incorrect_pin flag_incorrect_pin 1
-CATCH transaction_initiated flag_account_authorized 1
 INCMP _ 0
 INCMP quit 9
-
+INCMP transaction_initiated *

services/registration/unspecified_menu

@@ -1 +1 @@
-Unspecified
+Unspecified

services/registration/update_success

@@ -1 +1 @@
-Profile updated successfully
+Profile updated successfully

services/registration/update_success_swa

@@ -1 +1 @@
-Akaunti  imeupdatiwa
+Akaunti imeupdatiwa

services/registration/view_profile

@@ -1,2 +1,2 @@
-My profile: 
-{{.get_profile_info}} 
+My profile:
+{{.get_profile_info}}

services/registration/view_profile_swa

@@ -1 +1,2 @@
-Wasifu wangu
+Wasifu wangu:
+{{.get_profile_info}}

services/registration/view_swa

@@ -1 +1 @@
-Angalia Wasifu
+Angalia Wasifu

services/registration/yes_menu

@@ -1 +1 @@
-yes
+yes

services/registration/yes_menu_swa

@@ -1 +1 @@
-ndio
+ndio