refactor code to fewer files; remove unused code

core/nkode_api.go

@@ -0,0 +1,166 @@
+package core
+
+import (
+	"errors"
+	"fmt"
+	"github.com/google/uuid"
+)
+
+type NKodeAPI struct {
+	Db             DbAccessor
+	SignupSessions map[SessionId]UserSignSession
+}
+
+func NewNKodeAPI(db DbAccessor) NKodeAPI {
+	return NKodeAPI{
+		Db:             db,
+		SignupSessions: make(map[SessionId]UserSignSession),
+	}
+}
+
+func (n *NKodeAPI) CreateNewCustomer(nkodePolicy NKodePolicy, id *CustomerId) (*CustomerId, error) {
+	newCustomer, err := NewCustomer(nkodePolicy)
+	if id != nil {
+		newCustomer.Id = *id
+	}
+	if err != nil {
+		return nil, err
+	}
+	err = n.Db.WriteNewCustomer(*newCustomer)
+
+	if err != nil {
+		return nil, err
+	}
+	return &newCustomer.Id, nil
+}
+
+func (n *NKodeAPI) GenerateSignupInterface(username Username, customerId CustomerId, kp KeypadDimension) (*GenerateSignupInterfaceResp, error) {
+	svgIdxInterface, err := n.Db.RandomSvgIdxInterface(kp)
+	if err != nil {
+		return nil, err
+	}
+	signupSession, err := NewSignupSession(username, kp, customerId, svgIdxInterface)
+	if err != nil {
+		return nil, err
+	}
+	n.SignupSessions[signupSession.Id] = *signupSession
+	svgInterface, err := n.Db.GetSvgStringInterface(signupSession.LoginUserInterface.SvgId)
+	if err != nil {
+		return nil, err
+	}
+	resp := GenerateSignupInterfaceResp{
+		UserIdxInterface: signupSession.SetIdxInterface,
+		SvgInterface:     svgInterface,
+		SessionId:        uuid.UUID(signupSession.Id).String(),
+	}
+	return &resp, nil
+}
+
+func (n *NKodeAPI) SetNKode(customerId CustomerId, sessionId SessionId, keySelection KeySelection) (IdxInterface, error) {
+	_, err := n.Db.GetCustomer(customerId)
+
+	if err != nil {
+		return nil, err
+	}
+	session, exists := n.SignupSessions[sessionId]
+	if !exists {
+		return nil, errors.New(fmt.Sprintf("session id does not exist %s", sessionId))
+	}
+	confirmInterface, err := session.SetUserNKode(keySelection)
+	if err != nil {
+		return nil, err
+	}
+	n.SignupSessions[sessionId] = session
+	return confirmInterface, nil
+}
+
+func (n *NKodeAPI) ConfirmNKode(customerId CustomerId, sessionId SessionId, keySelection KeySelection) error {
+	session, exists := n.SignupSessions[sessionId]
+	if !exists {
+		return errors.New(fmt.Sprintf("session id does not exist %s", sessionId))
+	}
+	customer, err := n.Db.GetCustomer(customerId)
+	if err != nil {
+		return err
+	}
+	passcode, err := session.DeducePasscode(keySelection)
+	if err != nil {
+		return err
+	}
+	err = customer.IsValidNKode(session.Kp, passcode)
+	if err != nil {
+		return err
+	}
+	user, err := NewUser(*customer, session.Username, passcode, session.LoginUserInterface, session.Kp)
+	if err != nil {
+		return err
+	}
+	err = n.Db.WriteNewUser(*user)
+	delete(n.SignupSessions, session.Id)
+	return err
+}
+
+func (n *NKodeAPI) GetLoginInterface(username Username, customerId CustomerId) (*GetLoginInterfaceResp, error) {
+	user, err := n.Db.GetUser(username, customerId)
+	if err != nil {
+		return nil, err
+	}
+	err = user.Interface.PartialInterfaceShuffle()
+	if err != nil {
+		return nil, err
+	}
+	err = n.Db.UpdateUserInterface(user.Id, user.Interface)
+	if err != nil {
+		return nil, err
+	}
+	svgInterface, err := n.Db.GetSvgStringInterface(user.Interface.SvgId)
+	if err != nil {
+		return nil, err
+	}
+	resp := GetLoginInterfaceResp{
+		UserIdxInterface: user.Interface.IdxInterface,
+		SvgInterface:     svgInterface,
+		NumbOfKeys:       user.Kp.NumbOfKeys,
+		AttrsPerKey:      user.Kp.AttrsPerKey,
+	}
+	return &resp, nil
+}
+
+func (n *NKodeAPI) Login(customerId CustomerId, username Username, keySelection KeySelection) (string, error) {
+	customer, err := n.Db.GetCustomer(customerId)
+	if err != nil {
+		return "", err
+	}
+	user, err := n.Db.GetUser(username, customerId)
+	if err != nil {
+		return "", errors.New(fmt.Sprintf("user dne %s", username))
+	}
+	passcode, err := ValidKeyEntry(*user, *customer, keySelection)
+	if err != nil {
+		return "", err
+	}
+
+	if user.Renew {
+		err = n.Db.RefreshUser(*user, passcode, customer.Attributes)
+		if err != nil {
+			return "", err
+		}
+	}
+	return "", nil
+}
+
+func (n *NKodeAPI) RenewAttributes(customerId CustomerId) error {
+	return n.Db.Renew(customerId)
+}
+
+func (n *NKodeAPI) RandomSvgInterface() ([]string, error) {
+	return n.Db.RandomSvgInterface(KeypadMax)
+}
+
+func (n *NKodeAPI) GetSvgStringInterface(svgId SvgIdInterface) ([]string, error) {
+	return n.Db.GetSvgStringInterface(svgId)
+}
+
+func (n *NKodeAPI) RefreshToken(jwt string) (string, error) {
+	return "", nil
+}