guoshen
2024-06-29 5325e22a184b53aadcc5e9552cb1ec54f9c8ad81
app/src/main/java/com/application/zhangshi_app_android/ui/function/FamilyMemorabiliaActivityViewModel.java
@@ -3,32 +3,29 @@
import static com.android.app_base.base.BaseConfig.CODE_SUCCESS;
import android.app.Application;
import android.text.TextUtils;
import androidx.annotation.NonNull;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
import com.android.app_base.base.StateViewEnum;
import com.android.app_base.base.viewmodel.BaseViewModel;
import com.android.app_base.http.ResultData;
import com.android.app_base.utils.RxUtils;
import com.application.zhangshi_app_android.bean.FamilyAssetsBean;
import com.android.app_base.utils.Utils;
import com.application.zhangshi_app_android.bean.FamilyMemorabiliaBean;
import com.application.zhangshi_app_android.bean.FamilyMemorabiliaRequestBean;
import com.application.zhangshi_app_android.bean.FamilyMemorabiliaResponseBean;
import com.application.zhangshi_app_android.bean.PageResponseBean;
import com.application.zhangshi_app_android.data.DataRepository;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.Date;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import io.reactivex.Observer;
import io.reactivex.disposables.Disposable;
import io.reactivex.functions.Action;
/**
 * @author Ljj
@@ -39,13 +36,19 @@
    private MutableLiveData<List<FamilyMemorabiliaBean>> checkListLiveData;//选中的数据
    private MutableLiveData<List<FamilyMemorabiliaBean>> dataListLiveData;//所有数据
    private MutableLiveData<Integer> operateTypeLiveData;//操作类型 0 选择操作 1.完成 2.删除
    private MutableLiveData<Integer> operateTypeLiveData;//右上角操作框 操作类型 0 弹出选择操作 1.完成 2.删除
    private MutableLiveData<FamilyMemorabiliaRequestBean> requestBeanLiveData;//请求参数
    private MutableLiveData<List<FamilyMemorabiliaBean>> moreListLiveData;//下拉加载数据
    private MutableLiveData<List<FamilyMemorabiliaBean>> finishDeleteListLiveData;//已经完成删除的数据,用于adapter的remove操作
    private MutableLiveData<FamilyMemorabiliaRequestBean> requestBeanMutableLiveData;
    //创建并初始化ViewModel
    public FamilyMemorabiliaActivityViewModel(@NonNull Application application) {
        super(application);
    }
    //DataRepository 是一个数据仓库类,负责管理数据的获取和存储,
    // 该方法通过调用 DataRepository.getInstance() 来获取 DataRepository 的单例实例,并将其返回model。
    @Override
    protected DataRepository initModel() {
        return DataRepository.getInstance();
@@ -53,26 +56,100 @@
    /**
     * 获取家大事记
     */
    //getRequestBeanLiveData().getValue() 检查请求数据的 LiveData 是否为空。
    // 如果为空,则创建一个新的 FamilyMemorabiliaRequestBean 对象,并将其设置为 LiveData 的值,以确保请求数据不为 null。
    public void getFamilyMemorabilia() {
        if (getRequestBeanMutableLiveData().getValue() == null){
            getRequestBeanMutableLiveData().setValue(new FamilyMemorabiliaRequestBean());
        if (getRequestBeanLiveData().getValue() == null){
            getRequestBeanLiveData().setValue(new FamilyMemorabiliaRequestBean());
        }
        model.getFamilyMemorabilia(getRequestBeanMutableLiveData().getValue().getMap())
        //设置请求数据对象的页码为 1,表示要获取第一页的数据。
        getRequestBeanLiveData().getValue().setPageNum(1);
        //通过model(ViewModel 中的数据仓库对象)发起网络请求,并将请求数据转换为 Map 类型,以便发送给服务器。
        model.getFamilyMemorabilia(getRequestBeanLiveData().getValue().toMap())
                //应用线程调度器,确保观察者在正确的线程上运行。
                .compose(RxUtils.schedulersTransformer())
                .subscribe(new Observer<ResultData<FamilyMemorabiliaResponseBean>>() {
                //订阅这个网络请求的结果
                .subscribe(new Observer<ResultData<PageResponseBean<FamilyMemorabiliaBean>>>() {
                    @Override
                    //将订阅对象添加到 addSubscribe() 中,以便在不再需要时取消订阅。
                    //创建 Disposable 对象来管理订阅
                    // 使用 Disposable,可以有效地管理异步操作的生命周期,确保资源在不再需要时被正确释放。
                    public void onSubscribe(Disposable d) {
                        addSubscribe(d);
                    }
                    @Override
                    //onNext()处理成功获取数据的情况
                    public void onNext(ResultData<PageResponseBean<FamilyMemorabiliaBean>> data) {
                        if (data.getCode() == CODE_SUCCESS){
                            if (data.getData().getData().isEmpty()){
                                //更新界面状态为 StateViewEnum.DATA_NULL
                                changeStateView(StateViewEnum.DATA_NULL);
                            }else {
                                //隐藏状态视图并将数据列表发布到 dataListLiveData
                                changeStateView(StateViewEnum.HIDE);
                                dataListLiveData.postValue(data.getData().getData());
                            }
                            //如果返回的数据不成功,则将服务器返回的消息发布到 messageLiveData,以便通知用户。
                        }else {
                            messageLiveData.postValue(data.getMsg());
                        }
                    }
                    @Override
                    //onError()处理发生错误的情况,将错误消息发布到 messageLiveData。
                    public void onError(Throwable e) {
                        messageLiveData.postValue(e.getMessage());
                    }
                    @Override
                    public void onComplete() {
                    }
                });
    }
    /**
     * 加载更多
     */
    public void getMoreFamilyMemorabilia() {
        if (getRequestBeanLiveData().getValue() == null){
            getRequestBeanLiveData().setValue(new FamilyMemorabiliaRequestBean());
        }
        getRequestBeanLiveData().getValue().setPageNum(getRequestBeanLiveData().getValue().getPageNum() + 1);
        model.getFamilyMemorabilia(getRequestBeanLiveData().getValue().toMap())
                .compose(RxUtils.schedulersTransformer())
                .doFinally(new Action() {
                    @Override
                    public void run() throws Exception {
                        changeStateView(StateViewEnum.DATA_FINISH);
                    }
                })
                .subscribe(new Observer<ResultData<PageResponseBean<FamilyMemorabiliaBean>>>() {
                    @Override
                    public void onSubscribe(Disposable d) {
                        addSubscribe(d);
                    }
                    @Override
                    public void onNext(ResultData<FamilyMemorabiliaResponseBean> data) {
                    public void onNext(ResultData<PageResponseBean<FamilyMemorabiliaBean>> data) {
                        if (data.getCode() == CODE_SUCCESS){
                            if (data.getData().getData().isEmpty()){
                                changeStateView(StateViewEnum.DATA_NULL);
                                messageLiveData.postValue("没有更多数据了");
                            }else {
                                changeStateView(StateViewEnum.HIDE);
                                dataListLiveData.postValue(data.getData().getData());
                                moreListLiveData.postValue(data.getData().getData());
                            }
                        }else {
                            messageLiveData.postValue(data.getMsg());
@@ -93,7 +170,7 @@
    /**
     * 删除家大事记
     */
    public void delete() {
    public void deleteCheckList() {
        List<FamilyMemorabiliaBean> deleteList = getCheckListLiveData().getValue();
        if (deleteList == null){
            return;
@@ -101,7 +178,6 @@
        StringBuffer sb = new StringBuffer();
        deleteList.forEach(familyMemorabiliaBean -> sb.append(familyMemorabiliaBean.getId()).append(","));
        sb.deleteCharAt(sb.length()-1);
        System.out.println();
        model.deleteFamilyMemorabilia(sb.toString())
                .compose(RxUtils.schedulersTransformer())
                .subscribe(new Observer<ResultData<String>>() {
@@ -113,13 +189,44 @@
                    @Override
                    public void onNext(ResultData<String> stringResultData) {
                        if (stringResultData.getCode() == CODE_SUCCESS){
                            List<FamilyMemorabiliaBean> list = getDataListLiveData().getValue();
                            if (list != null) {
                                list.removeAll(getCheckListLiveData().getValue());
                            }
                            getDataListLiveData().postValue(list);
                            messageLiveData.postValue("删除成功");
                            finishDeleteListLiveData.postValue(checkListLiveData.getValue());
                            getCheckListLiveData().postValue(new ArrayList<>());
                        }else {
                            messageLiveData.postValue(stringResultData.getMsg());
                        }
                    }
                    @Override
                    public void onError(Throwable e) {
                        messageLiveData.postValue(e.getMessage());
                    }
                    @Override
                    public void onComplete() {
                    }
                });
    }
    /**
     * 删除单个数据
     */
    public void deleteItem(FamilyMemorabiliaBean bean) {
        model.deleteFamilyMemorabilia(String.valueOf(bean.getId()))
                .compose(RxUtils.schedulersTransformer())
                .subscribe(new Observer<ResultData<String>>() {
                    @Override
                    public void onSubscribe(Disposable d) {
                        addSubscribe(d);
                    }
                    @Override
                    public void onNext(ResultData<String> stringResultData) {
                        if (stringResultData.getCode() == CODE_SUCCESS){
                            List<FamilyMemorabiliaBean> list = new ArrayList<>();
                            list.add(bean);
                            finishDeleteListLiveData.postValue(list);
                            messageLiveData.postValue("删除成功");
                        }else {
                            messageLiveData.postValue(stringResultData.getMsg());
                        }
@@ -152,6 +259,23 @@
        this.checkListLiveData = checkListLiveData;
    }
    @NonNull    //NonNull 用于标记方法参数、返回值、字段或方法的返回类型不允许为 null
    //getRequestBeanLiveData() 获取一个包含 FamilyMemorabiliaRequestBean 数据的 MutableLiveData 对象。
    public MutableLiveData<FamilyMemorabiliaRequestBean> getRequestBeanLiveData() {
        if (requestBeanLiveData == null){
            requestBeanLiveData = new MutableLiveData<>();
        }
        if (requestBeanLiveData.getValue() == null){
            requestBeanLiveData.setValue(new FamilyMemorabiliaRequestBean());
        }
        return requestBeanLiveData;
    }
    public void setRequestBeanLiveData(MutableLiveData<FamilyMemorabiliaRequestBean> requestBeanLiveData) {
        this.requestBeanLiveData = requestBeanLiveData;
    }
    public MutableLiveData<List<FamilyMemorabiliaBean>> getDataListLiveData() {
        if (dataListLiveData == null){
            dataListLiveData = new MutableLiveData<>();
@@ -164,20 +288,18 @@
    }
    @NonNull
    public MutableLiveData<FamilyMemorabiliaRequestBean> getRequestBeanMutableLiveData() {
        if (requestBeanMutableLiveData == null){
            requestBeanMutableLiveData = new MutableLiveData<>();
    public MutableLiveData<List<FamilyMemorabiliaBean>> getMoreListLiveData() {
        if (moreListLiveData == null){
            moreListLiveData = new MutableLiveData<>();
        }
        if (requestBeanMutableLiveData.getValue()==null){
            requestBeanMutableLiveData.postValue(new FamilyMemorabiliaRequestBean());
        }
        return requestBeanMutableLiveData;
        return moreListLiveData;
    }
    public void setRequestBeanMutableLiveData(MutableLiveData<FamilyMemorabiliaRequestBean> requestBeanMutableLiveData) {
        this.requestBeanMutableLiveData = requestBeanMutableLiveData;
    public void setMoreListLiveData(MutableLiveData<List<FamilyMemorabiliaBean>> moreListLiveData) {
        this.moreListLiveData = moreListLiveData;
    }
    @NonNull
    public MutableLiveData<Integer> getOperateTypeLiveData() {
        if (operateTypeLiveData == null){
            operateTypeLiveData = new MutableLiveData<>();
@@ -190,33 +312,87 @@
        this.operateTypeLiveData = operateTypeLiveData;
    }
    public LiveData<List<FamilyMemorabiliaBean>> getFinishDeleteListLiveData() {
        if (finishDeleteListLiveData == null){
            finishDeleteListLiveData = new MutableLiveData<>();
        }
        return finishDeleteListLiveData;
    }
    public void setFinishDeleteListLiveData(MutableLiveData<List<FamilyMemorabiliaBean>> finishDeleteListLiveData) {
        this.finishDeleteListLiveData = finishDeleteListLiveData;
    }
    /**
     * 改变排序
     * @param b true 降序 false 升序
     */
    public void changeOrder(boolean b) {
        List<FamilyMemorabiliaBean> list = getDataListLiveData().getValue();
        if (list == null || list.isEmpty()){
            return;
        }
        list.sort(new Comparator<FamilyMemorabiliaBean>() {
            @Override
            public int compare(FamilyMemorabiliaBean o1, FamilyMemorabiliaBean o2) {
                SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd", java.util.Locale.getDefault());
                Date date1 = null;
                Date date2 = null;
                try {
                    date1 = format.parse(o1.getCreateTime());
                    date2 = format.parse(o2.getCreateTime());
                } catch (ParseException e) {
                    throw new RuntimeException(e);
                }
                if (date1 != null && date2 != null) {
                    if (b){
        if (b) {
            // 从新到旧,null排最后
            list.sort((o1, o2) -> {
                String happenTime1 = o1.getHappenTime();
                String happenTime2 = o2.getHappenTime();
                if (TextUtils.isEmpty(happenTime1) && TextUtils.isEmpty(happenTime2)) {
                    return 0;
                } else if (TextUtils.isEmpty(happenTime1)) {
                    return 1;
                } else if (TextUtils.isEmpty(happenTime2)) {
                    return -1;
                } else {
                    Date date1 = Utils.parseDate(happenTime1);
                    Date date2 = Utils.parseDate(happenTime2);
                    if (date1 != null && date2 != null) {
                        return date2.compareTo(date1);
                    }else {
                    }
                    return 0;
                }
            });
        } else  {
            // 从旧到新,null排最前
            list.sort((o1, o2) -> {
                String happenTime1 = o1.getHappenTime();
                String happenTime2 = o2.getHappenTime();
                if (TextUtils.isEmpty(happenTime1) && TextUtils.isEmpty(happenTime2)) {
                    return 0;
                } else if (TextUtils.isEmpty(happenTime1)) {
                    return -1;
                } else if (TextUtils.isEmpty(happenTime2)) {
                    return 1;
                } else {
                    Date date1 = Utils.parseDate(happenTime1);
                    Date date2 = Utils.parseDate(happenTime2);
                    if (date1 != null && date2 != null) {
                        return date1.compareTo(date2);
                    }
                    return 0;
                }
                return 0;
            });
        }
        getDataListLiveData().setValue(list);
    }
    /**
     * 本家数据 置顶
     */
    public void ownTop(){
        List<FamilyMemorabiliaBean> list = getDataListLiveData().getValue();
        if (list == null || list.isEmpty()){
            return;
        }
        //根据ownData值为1的 放到前面
        list.sort((o1, o2) -> {
            if (o1.getOwnData() == 1 && o2.getOwnData() == 0) {
                return -1;
            } else if (o1.getOwnData() == 0 && o2.getOwnData() == 1) {
                return 1;
            }
            return 0;
        });
        getDataListLiveData().postValue(list);
        getDataListLiveData().setValue(list);
    }
}