zhangshi_app_android.git

			@@ -3,27 +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.android.app_base.utils.Utils;
			import com.application.zhangshi_app_android.bean.FamilyMemorabiliaBean;
			import com.application.zhangshi_app_android.bean.FamilyMemorabiliaResponseBean;
			import com.application.zhangshi_app_android.bean.FamilyMemorabiliaRequestBean;
			import com.application.zhangshi_app_android.bean.PageResponseBean;
			import com.application.zhangshi_app_android.data.DataRepository;

			import java.util.ArrayList;
			import java.util.Collections;
			import java.util.Comparator;
			import java.util.HashMap;
			import java.util.Date;
			import java.util.List;
			import java.util.Map;

			import io.reactivex.Observer;
			import io.reactivex.disposables.Disposable;
			import io.reactivex.functions.Action;

			/**
			* @author Ljj
			@@ -32,13 +34,21 @@
			*/
			public class FamilyMemorabiliaActivityViewModel extends BaseViewModel<DataRepository> {

			private MutableLiveData<List<FamilyMemorabiliaBean>> checkListLiveData;
			private MutableLiveData<List<FamilyMemorabiliaBean>> dataListLiveData;
			private MutableLiveData<String> stringMutableLiveData;
			private MutableLiveData<List<FamilyMemorabiliaBean>> checkListLiveData;//选中的数据
			private MutableLiveData<List<FamilyMemorabiliaBean>> dataListLiveData;//所有数据
			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

			//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();
			@@ -46,38 +56,100 @@
			/**
			* 获取家大事记
			*/
			public void getFamilyMemorabilia(int searchType) {
			Map<String, Object> queryMap = new HashMap<>();
			queryMap.put("pageNum",1);
			queryMap.put("pageSize",20);
			if (searchType == 1){
			queryMap.put("remark",stringMutableLiveData.getValue());
			} else if (searchType == 2) {
			queryMap.put("title",stringMutableLiveData.getValue());
			}else if (searchType == 3) {
			queryMap.put("people",stringMutableLiveData.getValue());



			//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 (getRequestBeanLiveData().getValue() == null){
			getRequestBeanLiveData().setValue(new FamilyMemorabiliaRequestBean());
			}
			else if (searchType == 4) {
			queryMap.put("createTime",stringMutableLiveData.getValue());
			}
			else if (searchType == 5) {
			queryMap.put("address",stringMutableLiveData.getValue());
			}
			model.getFamilyMemorabilia(queryMap)
			//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 {
			dataListLiveData.postValue(data.getData().getData());
			changeStateView(StateViewEnum.HIDE);
			moreListLiveData.postValue(data.getData().getData());
			}
			}else {
			messageLiveData.postValue(data.getMsg());
			@@ -98,7 +170,7 @@
			/**
			* 删除家大事记
			*/
			public void delete() {
			public void deleteCheckList() {
			List<FamilyMemorabiliaBean> deleteList = getCheckListLiveData().getValue();
			if (deleteList == null){
			return;
			@@ -106,7 +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>>() {
			@@ -118,13 +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());
			}
			@@ -157,6 +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<>();
			@@ -168,35 +287,112 @@
			this.dataListLiveData = dataListLiveData;
			}

			public MutableLiveData<String> getStringMutableLiveData() {
			if (stringMutableLiveData == null){
			stringMutableLiveData = new MutableLiveData<>();
			@NonNull
			public MutableLiveData<List<FamilyMemorabiliaBean>> getMoreListLiveData() {
			if (moreListLiveData == null){
			moreListLiveData = new MutableLiveData<>();
			}
			return stringMutableLiveData;
			return moreListLiveData;
			}

			public void setStringMutableLiveData(MutableLiveData<String> stringMutableLiveData) {
			this.stringMutableLiveData = stringMutableLiveData;
			public void setMoreListLiveData(MutableLiveData<List<FamilyMemorabiliaBean>> moreListLiveData) {
			this.moreListLiveData = moreListLiveData;
			}

			@NonNull
			public MutableLiveData<Integer> getOperateTypeLiveData() {
			if (operateTypeLiveData == null){
			operateTypeLiveData = new MutableLiveData<>();
			operateTypeLiveData.setValue(0);
			}
			return operateTypeLiveData;
			}

			public void setOperateTypeLiveData(MutableLiveData<Integer> operateTypeLiveData) {
			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> dataList = getDataListLiveData().getValue();
			if (dataList == null) return;
			if (b){
			dataList.sort(new Comparator<FamilyMemorabiliaBean>() {
			@Override
			public int compare(FamilyMemorabiliaBean o1, FamilyMemorabiliaBean o2) {
			return (int) (o1.getId() - o2.getId());
			List<FamilyMemorabiliaBean> list = getDataListLiveData().getValue();
			if (list == null \|\| list.isEmpty()){
			return;
			}
			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);
			}
			return 0;
			}
			});
			}else {
			dataList.sort(new Comparator<FamilyMemorabiliaBean>() {
			@Override
			public int compare(FamilyMemorabiliaBean o1, FamilyMemorabiliaBean o2) {
			return (int) (o2.getId() - o1.getId());
			} 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;
			}
			});
			}
			getDataListLiveData().postValue(dataList);
			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().setValue(list);
			}
			}