pocketcommunityclient/app/src/main/java/com/community/pocket/ui/login/LoginViewModel.java

package com.community.pocket.ui.login;

import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;

import com.community.pocket.R;
import com.community.pocket.data.login.LoginRequest;
import com.community.pocket.ui.main.ui.share.BaseViewModel;
import com.community.pocket.util.ValidUtil;

/**
 * 管理 登陆UI 相关数据
 */
public class LoginViewModel extends BaseViewModel<LoginRequest> {

    //登陆表单校验信息
    private MutableLiveData<LoginFormState> loginFormState = new MutableLiveData<>();
    //登陆结果
    private MutableLiveData<LoginResponse> loginResult = new MutableLiveData<>();

    LiveData<LoginFormState> getLoginFormState() {
        return loginFormState;
    }

    LiveData<LoginResponse> getLoginResult() {
        return loginResult;
    }

    //登陆
    public void login(String username, String password) {
        LoginResponse response = getRequest().login(username, password);
        loginResult.setValue(response);
    }

    //登陆表单数据变化触发数据校验
    void loginDataChanged(String username, String password) {
        if (!ValidUtil.usernamevalid(username)) {
            loginFormState.setValue(new LoginFormState(R.string.invalid_username, null));
        } else if (!ValidUtil.passwordvalid(password)) {
            loginFormState.setValue(new LoginFormState(null, R.string.invalid_password));
        } else {
            loginFormState.setValue(new LoginFormState(true));
        }
    }

    @Override
    protected LoginRequest getRequest() {
        return LoginRequest.getInstance();
    }
}