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package it.niedermann.nextcloud.deck.ui.card;
import static androidx.lifecycle.Transformations.distinctUntilChanged;
import android.app.Application;
import android.content.SharedPreferences;
import android.text.TextUtils;
import androidx.annotation.ColorInt;
import androidx.annotation.NonNull;
import androidx.core.content.ContextCompat;
import androidx.lifecycle.LiveData;
import androidx.lifecycle.MutableLiveData;
import androidx.preference.PreferenceManager;
import com.nextcloud.android.sso.api.EmptyResponse;
import com.nextcloud.android.sso.exceptions.NextcloudFilesAppAccountNotFoundException;
import java.io.File;
import java.util.List;
import java.util.concurrent.CompletableFuture;
import it.niedermann.android.reactivelivedata.ReactiveLiveData;
import it.niedermann.android.sharedpreferences.SharedPreferenceBooleanLiveData;
import it.niedermann.nextcloud.deck.DeckLog;
import it.niedermann.nextcloud.deck.R;
import it.niedermann.nextcloud.deck.model.Account;
import it.niedermann.nextcloud.deck.model.Attachment;
import it.niedermann.nextcloud.deck.model.Board;
import it.niedermann.nextcloud.deck.model.Card;
import it.niedermann.nextcloud.deck.model.Label;
import it.niedermann.nextcloud.deck.model.full.FullBoard;
import it.niedermann.nextcloud.deck.model.full.FullCard;
import it.niedermann.nextcloud.deck.model.full.FullCardWithProjects;
import it.niedermann.nextcloud.deck.model.ocs.Activity;
import it.niedermann.nextcloud.deck.remote.api.IResponseCallback;
import it.niedermann.nextcloud.deck.repository.SyncRepository;
import it.niedermann.nextcloud.deck.ui.viewmodel.BaseViewModel;
@SuppressWarnings("WeakerAccess")
public class EditCardViewModel extends BaseViewModel {
private SyncRepository syncRepository;
private Account account;
private long boardId;
private FullCardWithProjects originalCard;
private FullCardWithProjects fullCard;
private boolean isSupportedVersion = false;
private boolean hasCommentsAbility = false;
private boolean pendingSaveOperation = false;
private boolean canEdit = false;
private final MutableLiveData<Integer> boardColor$ = new MutableLiveData<>();
private final SharedPreferences sharedPreferences;
private final MutableLiveData<Boolean> descriptionIsPreview = new MutableLiveData<>(false);
public EditCardViewModel(@NonNull Application application) {
super(application);
this.boardColor$.setValue(ContextCompat.getColor(application, R.color.primary));
sharedPreferences = PreferenceManager.getDefaultSharedPreferences(application);
}
/**
* The result {@link LiveData} will emit <code>true</code> if the preview mode is enabled and <code>false</code> if the edit mode is enabled.
*/
public LiveData<Boolean> getDescriptionMode() {
return new ReactiveLiveData<>(new SharedPreferenceBooleanLiveData(sharedPreferences, getApplication().getString(R.string.shared_preference_description_preview), false))
.distinctUntilChanged()
.flatMap(isPreview -> {
// When we are in preview mode but the description of the card is empty, we explicitly switch to the edit mode
final var fullCard = getFullCard();
if (fullCard == null) {
throw new IllegalStateException("Description mode must be queried after initializing " + EditCardViewModel.class.getSimpleName() + " with a card.");
}
if (isPreview && TextUtils.isEmpty(fullCard.getCard().getDescription())) {
descriptionIsPreview.setValue(false);
} else {
descriptionIsPreview.setValue(isPreview);
}
return descriptionIsPreview;
})
.distinctUntilChanged();
}
/**
* Will toggle the edit / preview mode and persist the new state
*/
public void toggleDescriptionPreviewMode() {
final boolean newValue = Boolean.FALSE.equals(descriptionIsPreview.getValue());
descriptionIsPreview.setValue(newValue);
sharedPreferences
.edit()
.putBoolean(getApplication().getString(R.string.shared_preference_description_preview), newValue)
.apply();
}
public LiveData<Integer> getBoardColor() {
return distinctUntilChanged(this.boardColor$);
}
public void setBoardColor(@ColorInt int color) {
this.boardColor$.setValue(color);
}
/**
* Stores a deep copy of the given fullCard to be able to compare the state at every time in #{@link EditCardViewModel#hasChanges()}
*
* @param boardId Local ID, expecting a positive long value
* @param fullCard The card that is currently edited
*/
public void initializeExistingCard(long boardId, @NonNull FullCardWithProjects fullCard, boolean isSupportedVersion) {
this.boardId = boardId;
this.fullCard = fullCard;
this.originalCard = new FullCardWithProjects(this.fullCard);
this.isSupportedVersion = isSupportedVersion;
}
public void setAccount(@NonNull Account account) throws NextcloudFilesAppAccountNotFoundException {
this.account = account;
this.syncRepository = new SyncRepository(getApplication(), account);
hasCommentsAbility = account.getServerDeckVersionAsObject().supportsComments();
}
public CompletableFuture<Integer> getCurrentBoardColor(long accountId, long boardId) {
return baseRepository.getCurrentBoardColor(accountId, boardId);
}
public boolean hasChanges() {
if (fullCard == null) {
DeckLog.info("Can not check for changes because fullCard is null → assuming no changes have been made yet.");
return false;
}
return fullCard.equals(originalCard);
}
public boolean hasCommentsAbility() {
return hasCommentsAbility;
}
public Account getAccount() {
return account;
}
public FullCardWithProjects getFullCard() {
return fullCard;
}
public boolean isPendingSaveOperation() {
return pendingSaveOperation;
}
public void setPendingSaveOperation(boolean pendingSaveOperation) {
this.pendingSaveOperation = pendingSaveOperation;
}
public boolean canEdit() {
return canEdit && isSupportedVersion;
}
public void setCanEdit(boolean canEdit) {
this.canEdit = canEdit;
}
public long getBoardId() {
return boardId;
}
public LiveData<FullBoard> getFullBoardById(Long accountId, Long localId) {
return baseRepository.getFullBoardById(accountId, localId);
}
public void createLabel(long accountId, Label label, long localBoardId, @NonNull IResponseCallback<Label> callback) {
syncRepository.createLabel(accountId, label, localBoardId, callback);
}
public LiveData<FullCardWithProjects> getFullCardWithProjectsByLocalId(long accountId, long cardLocalId) {
return baseRepository.getFullCardWithProjectsByLocalId(accountId, cardLocalId);
}
/**
* Saves the current {@link #fullCard}. If it is a new card, it will be created, otherwise it will be updated.
*/
public void saveCard(@NonNull IResponseCallback<FullCard> callback) {
syncRepository.updateCard(getFullCard(), callback);
}
public LiveData<List<Activity>> syncActivitiesForCard(@NonNull Card card) {
return syncRepository.syncActivitiesForCard(card);
}
public void addAttachmentToCard(long accountId, long localCardId, @NonNull String mimeType, @NonNull File file, @NonNull IResponseCallback<Attachment> callback) {
syncRepository.addAttachmentToCard(accountId, localCardId, mimeType, file, callback);
}
public void deleteAttachmentOfCard(long accountId, long localCardId, long localAttachmentId, @NonNull IResponseCallback<EmptyResponse> callback) {
syncRepository.deleteAttachmentOfCard(accountId, localCardId, localAttachmentId, callback);
}
public LiveData<Card> getCardByRemoteID(long accountId, long remoteId) {
return baseRepository.getCardByRemoteID(accountId, remoteId);
}
public LiveData<Board> getBoardByRemoteId(long accountId, long remoteId) {
return baseRepository.getBoardByRemoteId(accountId, remoteId);
}
}
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