pocketcommunityclient/app/src/main/java/com/community/pocket/ui/main/ui/visitor/VisitorViewModel.java

package com.community.pocket.ui.main.ui.visitor;

import androidx.lifecycle.MutableLiveData;
import androidx.lifecycle.ViewModel;

import com.community.pocket.R;
import com.community.pocket.data.main.visitor.VisitorRequest;
import com.community.pocket.util.Valid;
import com.community.pocket.util.ValidUtil;

import java.util.List;

/**
 * 管理访客UI数据
 */
class VisitorViewModel extends ViewModel {

    //访客预约表单校验信息
    private MutableLiveData<VisitorFormState> visitorFormState = new MutableLiveData<>();

    //访客预约请求结果
    private MutableLiveData<VisitorResponse> visitorResponse = new MutableLiveData<>();

    //检索预约人
    private MutableLiveData<VisitorResponse<List<String>>> searchPeopleReq = new MutableLiveData<>();

    //检索预约人可预约时间
    private MutableLiveData<VisitorResponse<List<String>>> searchTimeReq = new MutableLiveData<>();

    //访客请求
    private VisitorRequest visitorRequest;

    VisitorViewModel(VisitorRequest visitorRequest) {
        this.visitorRequest = visitorRequest;
    }

    MutableLiveData<VisitorFormState> getVisitorFormState() {
        return visitorFormState;
    }

    MutableLiveData<VisitorResponse> getVisitorResponse() {
        return visitorResponse;
    }

    MutableLiveData<VisitorResponse<List<String>>> getSearchPeopleReq() {
        return searchPeopleReq;
    }

    MutableLiveData<VisitorResponse<List<String>>> getSearchTimeReq() {
        return searchTimeReq;
    }

    //访客预约
    void appointment(String appointment, String chooseTime, String notes) {
        Valid valid = visitorRequest.appointment(appointment, chooseTime, notes);
        if (valid == Valid.ok) {
            visitorResponse.setValue(new VisitorResponse().setSuccess(R.string.visitor_appointment_ok));
        } else {
            visitorResponse.setValue(new VisitorResponse().setError(R.string.visitor_appointment_fail));
        }
    }

    //检索预约人
    void searchPeople(String name) {
        VisitorResponse<List<String>> result = visitorRequest.searchPeople(name);
        searchPeopleReq.setValue(result);
    }

    //检索预约人时间
    void searchTime(String name) {
        VisitorResponse<List<String>> result = visitorRequest.searchTime(name);
        searchTimeReq.setValue(result);
    }


    //校验访客预约表单
    void appointmentDataChanged(String appointment, String chooseTime, String notes) {
        if (!ValidUtil.usernamevalid(appointment)) {
            visitorFormState.setValue(new VisitorFormState(R.string.invalid_username, null, null));
        } else if (!ValidUtil.timeValid(chooseTime)) {
            visitorFormState.setValue(new VisitorFormState(null, R.string.invalid_time, null));
        } else if (!ValidUtil.notesValid(notes)) {
            visitorFormState.setValue(new VisitorFormState(null, null, R.string.notes));
        } else {
            visitorFormState.setValue(new VisitorFormState(true));
        }
    }
}