feat(contact-agent): using createContact with an ID field to provide updates

backend/models/contacts.go

@@ -29,9 +29,56 @@ func (m ContactModel) List(ctx context.Context, userId uuid.UUID) ([]model.Conta
 	return locations, err
 }
 
+func (m ContactModel) Get(ctx context.Context, contactId uuid.UUID) (model.Contacts, error) {
+	getContactStmt := Contacts.
+		SELECT(Contacts.AllColumns).
+		WHERE(Contacts.ID.EQ(UUID(contactId)))
+
+	contact := model.Contacts{}
+	err := getContactStmt.QueryContext(ctx, m.dbPool, &contact)
+
+	return contact, err
+}
+
+func (m ContactModel) Update(ctx context.Context, contact model.Contacts) (model.Contacts, error) {
+	existingContact, err := m.Get(ctx, contact.ID)
+	if err != nil {
+		return model.Contacts{}, err
+	}
+
+	existingContact.Name = contact.Name
+
+	if contact.Description != nil {
+		existingContact.Description = contact.Description
+	}
+
+	if contact.PhoneNumber != nil {
+		existingContact.PhoneNumber = contact.PhoneNumber
+	}
+
+	if contact.Email != nil {
+		existingContact.Email = contact.Email
+	}
+
+	updateContactStmt := Contacts.
+		UPDATE(Contacts.MutableColumns).
+		MODEL(existingContact).
+		WHERE(Contacts.ID.EQ(UUID(contact.ID))).
+		RETURNING(Contacts.AllColumns)
+
+	updatedContact := model.Contacts{}
+	err = updateContactStmt.QueryContext(ctx, m.dbPool, &updatedContact)
+
+	return updatedContact, err
+}
+
 func (m ContactModel) Save(ctx context.Context, userId uuid.UUID, contact model.Contacts) (model.Contacts, error) {
 	// TODO: make this a transaction
 
+	if contact.ID != uuid.Nil {
+		return m.Update(ctx, contact)
+	}
+
 	insertContactStmt := Contacts.
 		INSERT(Contacts.Name, Contacts.Description, Contacts.PhoneNumber, Contacts.Email).
 		VALUES(contact.Name, contact.Description, contact.PhoneNumber, contact.Email).