feat(app): 🔒 add password change command

app/commands/change_password.go

@@ -0,0 +1,29 @@
+package commands
+
+import (
+	. "github.com/reiver/greatape/components/constants"
+	. "github.com/reiver/greatape/components/contracts"
+)
+
+func ChangePassword(x IDispatcher, currentPassword string, newPassword string) (IChangePasswordResult, error) {
+	identity := x.Identity().(IIdentity)
+	if len(identity.Token()) < 10 {
+		return nil, ERROR_ACCOUNT_NOT_VERIFIED
+	}
+
+	if x.GenerateHash(currentPassword, identity.Salt()) != identity.Hash() {
+		return nil, ERROR_INVALID_CURRENT_PASSWORD_FOR_CHANGE_PASSWORD
+	}
+
+	hash := x.GenerateHash(newPassword, identity.Salt())
+	token := x.GenerateJwtToken()
+
+	x.Atomic(func() error {
+		identity.UpdateHashAtomic(x.Transaction(), hash, identity)
+		identity.UpdateTokenAtomic(x.Transaction(), token, identity)
+		x.IdentityManager().RefreshTokenCache(identity, token)
+		return nil
+	})
+
+	return x.NewChangePasswordResult(), nil
+}