add pin reset handlers

cmd/main.go

@@ -72,6 +72,8 @@ func getHandler(appFlags *asm.FlagParser, rs *resource.DbResource, pe *persist.P
 	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("confirm_pin_change", ussdHandlers.ConfirmPinChange)
 
 	return ussdHandlers, nil
 }

internal/handlers/ussd/menuhandler.go

@@ -192,6 +192,48 @@ func (h *Handlers) CreateAccount(ctx context.Context, sym string, input []byte)
 	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")
+	}
+	store := h.userdataStore
+	temporaryPin, err := store.ReadEntry(ctx, sessionId, utils.DATA_TEMPORARY_PIN)
+	if err != nil {
+		return res, err
+	}
+	err = store.WriteEntry(ctx, sessionId, utils.DATA_ACCOUNT_PIN, []byte(temporaryPin))
+	if err != nil {
+		return res, err
+	}
+	return res, nil
+}
+
 // SavePin persists the user's PIN choice into the filesystem
 func (h *Handlers) SavePin(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result
@@ -260,15 +302,19 @@ func (h *Handlers) VerifyPin(ctx context.Context, sym string, input []byte) (res
 	if !ok {
 		return res, fmt.Errorf("missing session")
 	}
-
-	//AccountPin, _ := utils.ReadEntry(ctx, h.userdataStore, sessionId, utils.DATA_ACCOUNT_PIN)
 	store := h.userdataStore
 	AccountPin, err := store.ReadEntry(ctx, sessionId, utils.DATA_ACCOUNT_PIN)
 	if err != nil {
 		return res, err
 	}
+	TemporaryPIn, err := store.ReadEntry(ctx, sessionId, utils.DATA_TEMPORARY_PIN)
+	if err != nil {
+		if !db.IsNotFound(err) {
+			return res, err
+		}
+	}
 
-	if bytes.Equal(input, AccountPin) {
+	if bytes.Equal(input, AccountPin) || bytes.Equal(input, TemporaryPIn) {
 		res.FlagSet = []uint32{flag_valid_pin}
 		res.FlagReset = []uint32{flag_pin_mismatch}
 		res.FlagSet = append(res.FlagSet, flag_pin_set)
@@ -569,7 +615,6 @@ func (h *Handlers) Quit(ctx context.Context, sym string, input []byte) (resource
 	return res, nil
 }
 
-
 // Quit displays the Thank you message and exits the menu
 func (h *Handlers) QuitWithHelp(ctx context.Context, sym string, input []byte) (resource.Result, error) {
 	var res resource.Result

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/confirm_pin_change

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

services/registration/confirm_pin_change.vis

@@ -0,0 +1,7 @@
+LOAD verify_pin 0
+MOUT back 0
+HALT
+RELOAD verify_pin
+CATCH  create_pin_mismatch flag_pin_mismatch 1
+MOVE pin_reset_success
+INCMP _ 0

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 +1,4 @@
+MOUT back 0
+HALT
+INCMP _ 0
+

services/registration/new_pin.vis

@@ -1,3 +1,7 @@
+LOAD save_temporary_pin 0
 MOUT back 0
 HALT
+RELOAD save_temporary_pin
+CATCH invalid_pin flag_incorrect_pin 1
 INCMP _ 0
+MOVE confirm_pin_change 

services/registration/pin_reset_success

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

services/registration/pin_reset_success.vis

@@ -0,0 +1,6 @@
+LOAD confirm_pin_change 0
+MOUT back 0
+MOUT quit 9
+HALT
+INCMP _ 0
+INCMP quit 9