feat: registrationBegin method without email;

fix: missing sqlc query parameter name;
feat: util for generating security codes;
feat: enums package

backend/internal/database/models.go

@@ -12,11 +12,11 @@ type BannedUser struct {
 	ID         int64
 	UserID     int64
 	Date       pgtype.Timestamp
-	Reason     pgtype.Text
+	Reason     *string
 	ExpiresAt  pgtype.Timestamp
-	BannedBy   pgtype.Text
-	Pardoned   pgtype.Bool
-	PardonedBy pgtype.Text
+	BannedBy   *string
+	Pardoned   *bool
+	PardonedBy *string
 }
 
 type ConfirmationCode struct {
@@ -25,17 +25,17 @@ type ConfirmationCode struct {
 	CodeType  int32
 	CodeHash  string
 	ExpiresAt pgtype.Timestamp
-	Used      pgtype.Bool
-	Deleted   pgtype.Bool
+	Used      *bool
+	Deleted   *bool
 }
 
 type LoginInformation struct {
 	ID                 int64
 	UserID             int64
-	Email              pgtype.Text
+	Email              *string
 	PasswordHash       string
-	TotpEncrypted      pgtype.Text
-	Email2faEnabled    pgtype.Bool
+	TotpEncrypted      *string
+	Email2faEnabled    *bool
 	PasswordChangeDate pgtype.Timestamp
 }
 
@@ -43,41 +43,41 @@ type Profile struct {
 	ID        int64
 	UserID    int64
 	Name      string
-	Bio       pgtype.Text
-	AvatarUrl pgtype.Text
+	Bio       *string
+	AvatarUrl *string
 	Birthday  pgtype.Timestamp
-	Color     pgtype.Text
-	ColorGrad pgtype.Text
+	Color     *string
+	ColorGrad *string
 }
 
 type ProfileSetting struct {
 	ID                       int64
 	ProfileID                int64
-	HideFulfilled            pgtype.Bool
-	HideProfileDetails       pgtype.Bool
-	HideForUnauthenticated   pgtype.Bool
-	HideBirthday             pgtype.Bool
-	HideDates                pgtype.Bool
-	Captcha                  pgtype.Bool
-	FollowersOnlyInteraction pgtype.Bool
+	HideFulfilled            *bool
+	HideProfileDetails       *bool
+	HideForUnauthenticated   *bool
+	HideBirthday             *bool
+	HideDates                *bool
+	Captcha                  *bool
+	FollowersOnlyInteraction *bool
 }
 
 type Session struct {
 	ID           int64
 	UserID       int64
 	Guid         pgtype.UUID
-	Name         pgtype.Text
-	Platform     pgtype.Text
-	LatestIp     pgtype.Text
+	Name         *string
+	Platform     *string
+	LatestIp     *string
 	LoginTime    pgtype.Timestamp
 	LastSeenDate pgtype.Timestamp
-	Terminated   pgtype.Bool
+	Terminated   *bool
 }
 
 type User struct {
 	ID               int64
 	Username         string
-	Verified         pgtype.Bool
+	Verified         *bool
 	RegistrationDate pgtype.Timestamp
-	Deleted          pgtype.Bool
+	Deleted          *bool
 }