2 * Copyright © 2021 Damyan Ivanov.
3 * This file is part of MoLe.
4 * MoLe is free software: you can distribute it and/or modify it
5 * under the term of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your opinion), any later version.
9 * MoLe is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License terms for details.
14 * You should have received a copy of the GNU General Public License
15 * along with MoLe. If not, see <https://www.gnu.org/licenses/>.
18 package net.ktnx.mobileledger.ui.new_transaction;
20 import android.annotation.SuppressLint;
21 import android.os.Handler;
22 import android.os.Looper;
23 import android.text.TextUtils;
25 import androidx.annotation.NonNull;
26 import androidx.annotation.Nullable;
27 import androidx.lifecycle.LifecycleOwner;
28 import androidx.lifecycle.LiveData;
29 import androidx.lifecycle.MutableLiveData;
30 import androidx.lifecycle.Observer;
31 import androidx.lifecycle.ViewModel;
33 import net.ktnx.mobileledger.BuildConfig;
34 import net.ktnx.mobileledger.db.DB;
35 import net.ktnx.mobileledger.db.TemplateAccount;
36 import net.ktnx.mobileledger.db.TemplateHeader;
37 import net.ktnx.mobileledger.model.Data;
38 import net.ktnx.mobileledger.model.InertMutableLiveData;
39 import net.ktnx.mobileledger.model.LedgerTransaction;
40 import net.ktnx.mobileledger.model.LedgerTransactionAccount;
41 import net.ktnx.mobileledger.model.MatchedTemplate;
42 import net.ktnx.mobileledger.model.MobileLedgerProfile;
43 import net.ktnx.mobileledger.utils.Globals;
44 import net.ktnx.mobileledger.utils.Logger;
45 import net.ktnx.mobileledger.utils.Misc;
46 import net.ktnx.mobileledger.utils.SimpleDate;
48 import org.jetbrains.annotations.NotNull;
50 import java.text.ParseException;
51 import java.util.ArrayList;
52 import java.util.Calendar;
53 import java.util.GregorianCalendar;
54 import java.util.HashMap;
55 import java.util.List;
56 import java.util.Locale;
57 import java.util.Objects;
59 import java.util.concurrent.atomic.AtomicInteger;
60 import java.util.regex.MatchResult;
62 enum ItemType {generalData, transactionRow}
64 enum FocusedElement {Account, Comment, Amount, Description, TransactionComment}
67 public class NewTransactionModel extends ViewModel {
68 private static final int MIN_ITEMS = 3;
69 private final MutableLiveData<Boolean> showCurrency = new MutableLiveData<>(false);
70 private final MutableLiveData<Boolean> isSubmittable = new InertMutableLiveData<>(false);
71 private final MutableLiveData<Boolean> showComments = new MutableLiveData<>(true);
72 private final MutableLiveData<List<Item>> items = new MutableLiveData<>();
73 private final MutableLiveData<Boolean> simulateSave = new InertMutableLiveData<>(false);
74 private final AtomicInteger busyCounter = new AtomicInteger(0);
75 private final MutableLiveData<Boolean> busyFlag = new InertMutableLiveData<>(false);
76 private final Observer<MobileLedgerProfile> profileObserver = profile -> {
77 showCurrency.postValue(profile.getShowCommodityByDefault());
78 showComments.postValue(profile.getShowCommentsByDefault());
80 private final MutableLiveData<FocusInfo> focusInfo = new MutableLiveData<>();
81 private boolean observingDataProfile;
82 public NewTransactionModel() {
85 public LiveData<Boolean> getShowCurrency() {
88 public LiveData<List<Item>> getItems() {
91 private void setItems(@NonNull List<Item> newList) {
92 checkTransactionSubmittable(newList);
93 setItemsWithoutSubmittableChecks(newList);
95 private void setItemsWithoutSubmittableChecks(@NonNull List<Item> list) {
96 Logger.debug("new-trans", "model: Setting new item list");
97 final int cnt = list.size();
98 for (int i = 1; i < cnt - 1; i++) {
99 final TransactionAccount item = list.get(i)
100 .toTransactionAccount();
102 TransactionAccount replacement = new TransactionAccount(item);
103 replacement.isLast = false;
104 list.set(i, replacement);
107 final TransactionAccount last = list.get(cnt - 1)
108 .toTransactionAccount();
110 TransactionAccount replacement = new TransactionAccount(last);
111 replacement.isLast = true;
112 list.set(cnt - 1, replacement);
115 items.setValue(list);
117 private List<Item> copyList() {
118 return copyList(null);
120 private List<Item> copyList(@Nullable List<Item> source) {
121 List<Item> copy = new ArrayList<>();
122 List<Item> oldList = (source == null) ? items.getValue() : source;
125 for (Item item : oldList) {
126 copy.add(Item.from(item));
131 private List<Item> shallowCopyListWithoutItem(int position) {
132 List<Item> copy = new ArrayList<>();
133 List<Item> oldList = items.getValue();
135 if (oldList != null) {
137 for (Item item : oldList) {
146 private List<Item> shallowCopyList() {
147 return new ArrayList<>(items.getValue());
149 LiveData<Boolean> getShowComments() {
152 void observeDataProfile(LifecycleOwner activity) {
153 if (!observingDataProfile)
154 Data.observeProfile(activity, profileObserver);
155 observingDataProfile = true;
157 boolean getSimulateSaveFlag() {
158 Boolean value = simulateSave.getValue();
163 LiveData<Boolean> getSimulateSave() {
166 void toggleSimulateSave() {
167 simulateSave.setValue(!getSimulateSaveFlag());
169 LiveData<Boolean> isSubmittable() {
170 return this.isSubmittable;
173 Logger.debug("new-trans", "Resetting model");
174 List<Item> list = new ArrayList<>();
175 list.add(new TransactionHead(""));
176 list.add(new TransactionAccount(""));
177 list.add(new TransactionAccount(""));
178 noteFocusChanged(0, FocusedElement.Description);
179 isSubmittable.setValue(false);
180 setItemsWithoutSubmittableChecks(list);
182 boolean accountsInInitialState() {
183 final List<Item> list = items.getValue();
188 for (Item item : list) {
189 if (!(item instanceof TransactionAccount))
192 TransactionAccount accRow = (TransactionAccount) item;
193 if (!accRow.isEmpty())
199 void applyTemplate(MatchedTemplate matchedTemplate, String text) {
200 SimpleDate transactionDate = null;
201 final MatchResult matchResult = matchedTemplate.matchResult;
202 final TemplateHeader templateHead = matchedTemplate.templateHead;
204 int day = extractIntFromMatches(matchResult, templateHead.getDateDayMatchGroup(),
205 templateHead.getDateDay());
206 int month = extractIntFromMatches(matchResult, templateHead.getDateMonthMatchGroup(),
207 templateHead.getDateMonth());
208 int year = extractIntFromMatches(matchResult, templateHead.getDateYearMatchGroup(),
209 templateHead.getDateYear());
211 if (year > 0 || month > 0 || day > 0) {
212 SimpleDate today = SimpleDate.today();
220 transactionDate = new SimpleDate(year, month, day);
222 Logger.debug("pattern", "setting transaction date to " + transactionDate);
226 List<Item> present = copyList();
228 TransactionHead head = new TransactionHead(present.get(0)
229 .toTransactionHead());
230 if (transactionDate != null)
231 head.setDate(transactionDate);
233 final String transactionDescription = extractStringFromMatches(matchResult,
234 templateHead.getTransactionDescriptionMatchGroup(),
235 templateHead.getTransactionDescription());
236 if (Misc.emptyIsNull(transactionDescription) != null)
237 head.setDescription(transactionDescription);
239 final String transactionComment = extractStringFromMatches(matchResult,
240 templateHead.getTransactionCommentMatchGroup(),
241 templateHead.getTransactionComment());
242 if (Misc.emptyIsNull(transactionComment) != null)
243 head.setComment(transactionComment);
245 List<Item> newItems = new ArrayList<>();
249 for (int i = 1; i < present.size(); i++) {
250 final TransactionAccount row = present.get(i)
251 .toTransactionAccount();
253 newItems.add(new TransactionAccount(row));
258 .getTemplateWithAccountsAsync(templateHead.getId(), entry -> {
260 final boolean accountsInInitialState = accountsInInitialState();
261 for (TemplateAccount acc : entry.accounts) {
265 extractStringFromMatches(matchResult, acc.getAccountNameMatchGroup(),
266 acc.getAccountName());
267 String accountComment =
268 extractStringFromMatches(matchResult, acc.getAccountCommentMatchGroup(),
269 acc.getAccountComment());
270 Float amount = extractFloatFromMatches(matchResult, acc.getAmountMatchGroup(),
272 if (amount != null && acc.getNegateAmount() != null && acc.getNegateAmount())
276 TransactionAccount accRow = new TransactionAccount(accountName);
277 accRow.setComment(accountComment);
279 accRow.setAmount(amount);
281 newItems.add(accRow);
284 new Handler(Looper.getMainLooper()).post(() -> setItems(newItems));
287 private int extractIntFromMatches(MatchResult m, Integer group, Integer literal) {
293 if (grp > 0 & grp <= m.groupCount())
295 return Integer.parseInt(m.group(grp));
297 catch (NumberFormatException e) {
298 Logger.debug("new-trans", "Error extracting matched number", e);
304 private String extractStringFromMatches(MatchResult m, Integer group, String literal) {
310 if (grp > 0 & grp <= m.groupCount())
316 private Float extractFloatFromMatches(MatchResult m, Integer group, Float literal) {
322 if (grp > 0 & grp <= m.groupCount())
324 return Float.valueOf(m.group(grp));
326 catch (NumberFormatException e) {
327 Logger.debug("new-trans", "Error extracting matched number", e);
333 void removeItem(int pos) {
334 List<Item> newList = shallowCopyListWithoutItem(pos);
337 void noteFocusChanged(int position, FocusedElement element) {
338 FocusInfo present = focusInfo.getValue();
339 if (present == null || present.position != position || present.element != element)
340 focusInfo.setValue(new FocusInfo(position, element));
342 public LiveData<FocusInfo> getFocusInfo() {
345 void moveItem(int fromIndex, int toIndex) {
346 List<Item> newList = shallowCopyList();
347 Item item = newList.remove(fromIndex);
348 newList.add(toIndex, item);
349 items.setValue(newList); // same count, same submittable state
351 void moveItemLast(List<Item> list, int index) {
355 3 <-- desired position
358 int itemCount = list.size();
360 if (index < itemCount - 1)
361 list.add(list.remove(index));
363 void toggleCurrencyVisible() {
364 showCurrency.setValue(!Objects.requireNonNull(showCurrency.getValue()));
366 void stopObservingBusyFlag(Observer<Boolean> observer) {
367 busyFlag.removeObserver(observer);
369 void incrementBusyCounter() {
370 int newValue = busyCounter.incrementAndGet();
372 busyFlag.postValue(true);
374 void decrementBusyCounter() {
375 int newValue = busyCounter.decrementAndGet();
377 busyFlag.postValue(false);
379 public LiveData<Boolean> getBusyFlag() {
382 public void toggleShowComments() {
383 showComments.setValue(!Objects.requireNonNull(showComments.getValue()));
385 public LedgerTransaction constructLedgerTransaction() {
386 List<Item> list = Objects.requireNonNull(items.getValue());
387 TransactionHead head = list.get(0)
388 .toTransactionHead();
389 SimpleDate date = head.getDate();
390 LedgerTransaction tr = head.asLedgerTransaction();
392 tr.setComment(head.getComment());
393 LedgerTransactionAccount emptyAmountAccount = null;
394 float emptyAmountAccountBalance = 0;
395 for (int i = 1; i < list.size(); i++) {
396 TransactionAccount item = list.get(i)
397 .toTransactionAccount();
398 LedgerTransactionAccount acc = new LedgerTransactionAccount(item.getAccountName()
401 if (acc.getAccountName()
405 acc.setComment(item.getComment());
407 if (item.isAmountSet()) {
408 acc.setAmount(item.getAmount());
409 emptyAmountAccountBalance += item.getAmount();
412 emptyAmountAccount = acc;
418 if (emptyAmountAccount != null)
419 emptyAmountAccount.setAmount(-emptyAmountAccountBalance);
423 void loadTransactionIntoModel(String profileUUID, int transactionId) {
424 List<Item> newList = new ArrayList<>();
425 LedgerTransaction tr;
426 MobileLedgerProfile profile = Data.getProfile(profileUUID);
428 throw new RuntimeException(String.format(
429 "Unable to find profile %s, which is supposed to contain transaction %d",
430 profileUUID, transactionId));
432 tr = profile.loadTransaction(transactionId);
433 TransactionHead head = new TransactionHead(tr.getDescription());
434 head.setComment(tr.getComment());
438 List<LedgerTransactionAccount> accounts = tr.getAccounts();
440 TransactionAccount firstNegative = null;
441 TransactionAccount firstPositive = null;
442 int singleNegativeIndex = -1;
443 int singlePositiveIndex = -1;
444 int negativeCount = 0;
445 for (int i = 0; i < accounts.size(); i++) {
446 LedgerTransactionAccount acc = accounts.get(i);
447 TransactionAccount item =
448 new TransactionAccount(acc.getAccountName(), acc.getCurrency());
451 item.setAccountName(acc.getAccountName());
452 item.setComment(acc.getComment());
453 if (acc.isAmountSet()) {
454 item.setAmount(acc.getAmount());
455 if (acc.getAmount() < 0) {
456 if (firstNegative == null) {
457 firstNegative = item;
458 singleNegativeIndex = i + 1;
461 singleNegativeIndex = -1;
464 if (firstPositive == null) {
465 firstPositive = item;
466 singlePositiveIndex = i + 1;
469 singlePositiveIndex = -1;
475 if (BuildConfig.DEBUG)
476 dumpItemList("Loaded previous transaction", newList);
478 if (singleNegativeIndex != -1) {
479 firstNegative.resetAmount();
480 moveItemLast(newList, singleNegativeIndex);
482 else if (singlePositiveIndex != -1) {
483 firstPositive.resetAmount();
484 moveItemLast(newList, singlePositiveIndex);
489 noteFocusChanged(1, FocusedElement.Amount);
492 * A transaction is submittable if:
494 * 1) has at least two account names
495 * 2) each row with amount has account name
496 * 3) for each commodity:
497 * 3a) amounts must balance to 0, or
498 * 3b) there must be exactly one empty amount (with account)
499 * 4) empty accounts with empty amounts are ignored
501 * 5) a row with an empty account name or empty amount is guaranteed to exist for each
503 * 6) at least two rows need to be present in the ledger
505 * @param list - the item list to check. Can be the displayed list or a list that will be
508 @SuppressLint("DefaultLocale")
509 void checkTransactionSubmittable(@Nullable List<Item> list) {
510 boolean workingWithLiveList = false;
511 boolean liveListCopied = false;
513 list = Objects.requireNonNull(items.getValue());
514 workingWithLiveList = true;
517 if (BuildConfig.DEBUG)
518 dumpItemList("Before submittable checks", list);
521 final BalanceForCurrency balance = new BalanceForCurrency();
522 final String descriptionText = list.get(0)
525 boolean submittable = true;
526 boolean listChanged = false;
527 final ItemsForCurrency itemsForCurrency = new ItemsForCurrency();
528 final ItemsForCurrency itemsWithEmptyAmountForCurrency = new ItemsForCurrency();
529 final ItemsForCurrency itemsWithAccountAndEmptyAmountForCurrency = new ItemsForCurrency();
530 final ItemsForCurrency itemsWithEmptyAccountForCurrency = new ItemsForCurrency();
531 final ItemsForCurrency itemsWithAmountForCurrency = new ItemsForCurrency();
532 final ItemsForCurrency itemsWithAccountForCurrency = new ItemsForCurrency();
533 final ItemsForCurrency emptyRowsForCurrency = new ItemsForCurrency();
534 final List<Item> emptyRows = new ArrayList<>();
537 if ((descriptionText == null) || descriptionText.trim()
540 Logger.debug("submittable", "Transaction not submittable: missing description");
544 for (int i = 1; i < list.size(); i++) {
545 TransactionAccount item = list.get(i)
546 .toTransactionAccount();
548 String accName = item.getAccountName()
550 String currName = item.getCurrency();
552 itemsForCurrency.add(currName, item);
554 if (accName.isEmpty()) {
555 itemsWithEmptyAccountForCurrency.add(currName, item);
557 if (item.isAmountSet()) {
558 // 2) each amount has account name
559 Logger.debug("submittable", String.format(
560 "Transaction not submittable: row %d has no account name, but" +
561 " has" + " amount %1.2f", i + 1, item.getAmount()));
565 emptyRowsForCurrency.add(currName, item);
570 itemsWithAccountForCurrency.add(currName, item);
573 if (!item.isAmountValid()) {
574 Logger.debug("submittable",
575 String.format("Not submittable: row %d has an invalid amount", i + 1));
578 else if (item.isAmountSet()) {
579 itemsWithAmountForCurrency.add(currName, item);
580 balance.add(currName, item.getAmount());
583 itemsWithEmptyAmountForCurrency.add(currName, item);
585 if (!accName.isEmpty())
586 itemsWithAccountAndEmptyAmountForCurrency.add(currName, item);
590 // 1) has at least two account names
593 Logger.debug("submittable", "Transaction not submittable: no account names");
594 else if (accounts == 1)
595 Logger.debug("submittable",
596 "Transaction not submittable: only one account name");
598 Logger.debug("submittable",
599 String.format("Transaction not submittable: only %d account names",
604 // 3) for each commodity:
605 // 3a) amount must balance to 0, or
606 // 3b) there must be exactly one empty amount (with account)
607 for (String balCurrency : itemsForCurrency.currencies()) {
608 float currencyBalance = balance.get(balCurrency);
609 if (Misc.isZero(currencyBalance)) {
610 // remove hints from all amount inputs in that currency
611 for (int i = 1; i < list.size(); i++) {
612 TransactionAccount acc = list.get(i)
613 .toTransactionAccount();
614 if (Misc.equalStrings(acc.getCurrency(), balCurrency)) {
615 if (BuildConfig.DEBUG)
616 Logger.debug("submittable",
617 String.format("Resetting hint of '%s' [%s]",
618 Misc.nullIsEmpty(acc.getAccountName()),
620 // skip if the amount is set, in which case the hint is not
622 if (!acc.isAmountSet() && acc.amountHintIsSet &&
623 !TextUtils.isEmpty(acc.getAmountHint()))
625 if (workingWithLiveList && !liveListCopied) {
626 list = copyList(list);
627 liveListCopied = true;
629 final TransactionAccount newAcc = new TransactionAccount(acc);
630 newAcc.setAmountHint(null);
631 if (!liveListCopied) {
632 list = copyList(list);
633 liveListCopied = true;
643 itemsWithAccountAndEmptyAmountForCurrency.getList(balCurrency);
644 int balanceReceiversCount = tmpList.size();
645 if (balanceReceiversCount != 1) {
646 if (BuildConfig.DEBUG) {
647 if (balanceReceiversCount == 0)
648 Logger.debug("submittable", String.format(
649 "Transaction not submittable [%s]: non-zero balance " +
650 "with no empty amounts with accounts", balCurrency));
652 Logger.debug("submittable", String.format(
653 "Transaction not submittable [%s]: non-zero balance " +
654 "with multiple empty amounts with accounts", balCurrency));
659 List<Item> emptyAmountList =
660 itemsWithEmptyAmountForCurrency.getList(balCurrency);
662 // suggest off-balance amount to a row and remove hints on other rows
663 Item receiver = null;
664 if (!tmpList.isEmpty())
665 receiver = tmpList.get(0);
666 else if (!emptyAmountList.isEmpty())
667 receiver = emptyAmountList.get(0);
669 for (int i = 0; i < list.size(); i++) {
670 Item item = list.get(i);
671 if (!(item instanceof TransactionAccount))
674 TransactionAccount acc = item.toTransactionAccount();
675 if (!Misc.equalStrings(acc.getCurrency(), balCurrency))
678 if (item == receiver) {
679 final String hint = String.format("%1.2f", -currencyBalance);
680 if (!acc.isAmountHintSet() ||
681 !TextUtils.equals(acc.getAmountHint(), hint))
683 Logger.debug("submittable",
684 String.format("Setting amount hint of {%s} to %s [%s]",
685 acc.toString(), hint, balCurrency));
686 if (workingWithLiveList & !liveListCopied) {
687 list = copyList(list);
688 liveListCopied = true;
690 final TransactionAccount newAcc = new TransactionAccount(acc);
691 newAcc.setAmountHint(hint);
697 if (BuildConfig.DEBUG)
698 Logger.debug("submittable",
699 String.format("Resetting hint of '%s' [%s]",
700 Misc.nullIsEmpty(acc.getAccountName()),
702 if (acc.amountHintIsSet && !TextUtils.isEmpty(acc.getAmountHint())) {
703 if (workingWithLiveList && !liveListCopied) {
704 list = copyList(list);
705 liveListCopied = true;
707 final TransactionAccount newAcc = new TransactionAccount(acc);
708 newAcc.setAmountHint(null);
717 // 5) a row with an empty account name or empty amount is guaranteed to exist for
719 for (String balCurrency : balance.currencies()) {
720 int currEmptyRows = itemsWithEmptyAccountForCurrency.size(balCurrency);
721 int currRows = itemsForCurrency.size(balCurrency);
722 int currAccounts = itemsWithAccountForCurrency.size(balCurrency);
723 int currAmounts = itemsWithAmountForCurrency.size(balCurrency);
724 if ((currEmptyRows == 0) &&
725 ((currRows == currAccounts) || (currRows == currAmounts)))
727 // perhaps there already is an unused empty row for another currency that
729 // boolean foundIt = false;
730 // for (Item item : emptyRows) {
731 // Currency itemCurrency = item.getCurrency();
732 // String itemCurrencyName =
733 // (itemCurrency == null) ? "" : itemCurrency.getName();
734 // if (Misc.isZero(balance.get(itemCurrencyName))) {
735 // item.setCurrency(Currency.loadByName(balCurrency));
736 // item.setAmountHint(
737 // String.format("%1.2f", -balance.get(balCurrency)));
744 if (workingWithLiveList && !liveListCopied) {
745 list = copyList(list);
746 liveListCopied = true;
748 final TransactionAccount newAcc = new TransactionAccount("", balCurrency);
749 final float bal = balance.get(balCurrency);
750 if (!Misc.isZero(bal) && currAmounts == currRows)
751 newAcc.setAmountHint(String.format("%4.2f", -bal));
752 Logger.debug("submittable",
753 String.format("Adding new item with %s for currency %s",
754 newAcc.getAmountHint(), balCurrency));
760 // drop extra empty rows, not needed
761 for (String currName : emptyRowsForCurrency.currencies()) {
762 List<Item> emptyItems = emptyRowsForCurrency.getList(currName);
763 while ((list.size() > MIN_ITEMS) && (emptyItems.size() > 1)) {
764 if (workingWithLiveList && !liveListCopied) {
765 list = copyList(list);
766 liveListCopied = true;
768 // the list is a copy, so the empty item is no longer present
769 Item itemToRemove = emptyItems.remove(1);
770 removeItemById(list, itemToRemove.id);
774 // unused currency, remove last item (which is also an empty one)
775 if ((list.size() > MIN_ITEMS) && (emptyItems.size() == 1)) {
776 List<Item> currItems = itemsForCurrency.getList(currName);
778 if (currItems.size() == 1) {
779 if (workingWithLiveList && !liveListCopied) {
780 list = copyList(list);
781 liveListCopied = true;
783 // the list is a copy, so the empty item is no longer present
784 removeItemById(list, emptyItems.get(0).id);
790 // 6) at least two rows need to be present in the ledger
791 // (the list also contains header and trailer)
792 while (list.size() < MIN_ITEMS) {
793 if (workingWithLiveList && !liveListCopied) {
794 list = copyList(list);
795 liveListCopied = true;
797 list.add(new TransactionAccount(""));
802 Logger.debug("submittable", submittable ? "YES" : "NO");
803 isSubmittable.setValue(submittable);
805 if (BuildConfig.DEBUG)
806 dumpItemList("After submittable checks", list);
808 catch (NumberFormatException e) {
809 Logger.debug("submittable", "NO (because of NumberFormatException)");
810 isSubmittable.setValue(false);
812 catch (Exception e) {
814 Logger.debug("submittable", "NO (because of an Exception)");
815 isSubmittable.setValue(false);
818 if (listChanged && workingWithLiveList) {
819 setItemsWithoutSubmittableChecks(list);
822 private void removeItemById(@NotNull List<Item> list, int id) {
823 if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.N) {
824 list.removeIf(item -> item.id == id);
827 for (Item item : list) {
835 @SuppressLint("DefaultLocale")
836 private void dumpItemList(@NotNull String msg, @NotNull List<Item> list) {
837 Logger.debug("submittable", "== Dump of all items " + msg);
838 for (int i = 1; i < list.size(); i++) {
839 TransactionAccount item = list.get(i)
840 .toTransactionAccount();
841 Logger.debug("submittable", String.format("%d:%s", i, item.toString()));
844 public void setItemCurrency(int position, String newCurrency) {
845 TransactionAccount item = Objects.requireNonNull(items.getValue())
847 .toTransactionAccount();
848 final String oldCurrency = item.getCurrency();
850 if (Misc.equalStrings(oldCurrency, newCurrency))
853 List<Item> newList = copyList();
854 newList.get(position)
855 .toTransactionAccount()
856 .setCurrency(newCurrency);
860 public boolean accountListIsEmpty() {
861 List<Item> items = Objects.requireNonNull(this.items.getValue());
863 for (Item item : items) {
864 if (!(item instanceof TransactionAccount))
867 if (!((TransactionAccount) item).isEmpty())
874 public static class FocusInfo {
876 FocusedElement element;
877 public FocusInfo(int position, FocusedElement element) {
878 this.position = position;
879 this.element = element;
883 static abstract class Item {
884 private static int idDispenser = 0;
887 synchronized (Item.class) {
891 public static Item from(Item origin) {
892 if (origin instanceof TransactionHead)
893 return new TransactionHead((TransactionHead) origin);
894 if (origin instanceof TransactionAccount)
895 return new TransactionAccount((TransactionAccount) origin);
896 throw new RuntimeException("Don't know how to handle " + origin);
901 public abstract ItemType getType();
902 public TransactionHead toTransactionHead() {
903 if (this instanceof TransactionHead)
904 return (TransactionHead) this;
906 throw new IllegalStateException("Wrong item type " + this);
908 public TransactionAccount toTransactionAccount() {
909 if (this instanceof TransactionAccount)
910 return (TransactionAccount) this;
912 throw new IllegalStateException("Wrong item type " + this);
914 public boolean equalContents(@Nullable Object item) {
918 if (!getClass().equals(item.getClass()))
921 // shortcut - comparing same instance
925 if (this instanceof TransactionHead)
926 return ((TransactionHead) item).equalContents((TransactionHead) this);
927 if (this instanceof TransactionAccount)
928 return ((TransactionAccount) item).equalContents((TransactionAccount) this);
930 throw new RuntimeException("Don't know how to handle " + this);
935 //==========================================================================================
937 public static class TransactionHead extends Item {
938 private SimpleDate date;
939 private String description;
940 private String comment;
941 TransactionHead(String description) {
943 this.description = description;
945 public TransactionHead(TransactionHead origin) {
948 description = origin.description;
949 comment = origin.comment;
951 public SimpleDate getDate() {
954 public void setDate(SimpleDate date) {
957 public void setDate(String text) throws ParseException {
958 if (Misc.emptyIsNull(text) == null) {
963 date = Globals.parseLedgerDate(text);
968 * @return nicely formatted, shortest available date representation
970 String getFormattedDate() {
974 Calendar today = GregorianCalendar.getInstance();
976 if (today.get(Calendar.YEAR) != date.year) {
977 return String.format(Locale.US, "%d/%02d/%02d", date.year, date.month, date.day);
980 if (today.get(Calendar.MONTH) + 1 != date.month) {
981 return String.format(Locale.US, "%d/%02d", date.month, date.day);
984 return String.valueOf(date.day);
988 public String toString() {
989 @SuppressLint("DefaultLocale") StringBuilder b = new StringBuilder(
990 String.format("id:%d/%s", id, Integer.toHexString(hashCode())));
992 if (TextUtils.isEmpty(description))
993 b.append(" «no description»");
995 b.append(String.format(" descr'%s'", description));
998 b.append(String.format("@%s", date.toString()));
1000 if (!TextUtils.isEmpty(comment))
1001 b.append(String.format(" /%s/", comment));
1003 return b.toString();
1005 public String getDescription() {
1008 public void setDescription(String description) {
1009 this.description = description;
1011 public String getComment() {
1014 public void setComment(String comment) {
1015 this.comment = comment;
1018 public ItemType getType() {
1019 return ItemType.generalData;
1021 public LedgerTransaction asLedgerTransaction() {
1022 return new LedgerTransaction(null, date, description, Data.getProfile());
1024 public boolean equalContents(TransactionHead other) {
1028 return Objects.equals(date, other.date) &&
1029 TextUtils.equals(description, other.description) &&
1030 TextUtils.equals(comment, other.comment);
1034 public static class TransactionAccount extends Item {
1035 private String accountName;
1036 private String amountHint;
1037 private String comment;
1038 private String currency;
1039 private float amount;
1040 private boolean amountSet;
1041 private boolean amountValid = true;
1042 private FocusedElement focusedElement = FocusedElement.Account;
1043 private boolean amountHintIsSet = true;
1044 private boolean isLast = false;
1045 private int accountNameCursorPosition;
1046 public TransactionAccount(TransactionAccount origin) {
1048 accountName = origin.accountName;
1049 amount = origin.amount;
1050 amountSet = origin.amountSet;
1051 amountHint = origin.amountHint;
1052 amountHintIsSet = origin.amountHintIsSet;
1053 comment = origin.comment;
1054 currency = origin.currency;
1055 amountValid = origin.amountValid;
1056 focusedElement = origin.focusedElement;
1057 isLast = origin.isLast;
1058 accountNameCursorPosition = origin.accountNameCursorPosition;
1060 public TransactionAccount(LedgerTransactionAccount account) {
1062 currency = account.getCurrency();
1063 amount = account.getAmount();
1065 public TransactionAccount(String accountName) {
1067 this.accountName = accountName;
1069 public TransactionAccount(String accountName, String currency) {
1071 this.accountName = accountName;
1072 this.currency = currency;
1074 public boolean isLast() {
1077 public boolean isAmountSet() {
1080 public String getAccountName() {
1083 public void setAccountName(String accountName) {
1084 this.accountName = accountName;
1086 public float getAmount() {
1088 throw new IllegalStateException("Amount is not set");
1091 public void setAmount(float amount) {
1092 this.amount = amount;
1095 public void resetAmount() {
1099 public ItemType getType() {
1100 return ItemType.transactionRow;
1102 public String getAmountHint() {
1105 public void setAmountHint(String amountHint) {
1106 this.amountHint = amountHint;
1107 amountHintIsSet = !TextUtils.isEmpty(amountHint);
1109 public String getComment() {
1112 public void setComment(String comment) {
1113 this.comment = comment;
1115 public String getCurrency() {
1118 public void setCurrency(String currency) {
1119 this.currency = currency;
1121 public boolean isAmountValid() {
1124 public void setAmountValid(boolean amountValid) {
1125 this.amountValid = amountValid;
1127 public FocusedElement getFocusedElement() {
1128 return focusedElement;
1130 public void setFocusedElement(FocusedElement focusedElement) {
1131 this.focusedElement = focusedElement;
1133 public boolean isAmountHintSet() {
1134 return amountHintIsSet;
1136 public void setAmountHintIsSet(boolean amountHintIsSet) {
1137 this.amountHintIsSet = amountHintIsSet;
1139 public boolean isEmpty() {
1140 return !amountSet && Misc.emptyIsNull(accountName) == null &&
1141 Misc.emptyIsNull(comment) == null;
1143 @SuppressLint("DefaultLocale")
1145 public String toString() {
1146 StringBuilder b = new StringBuilder();
1147 b.append(String.format("id:%d/%s", id, Integer.toHexString(hashCode())));
1148 if (!TextUtils.isEmpty(accountName))
1149 b.append(String.format(" acc'%s'", accountName));
1152 b.append(String.format(" %4.2f", amount));
1153 else if (amountHintIsSet)
1154 b.append(String.format(" (%s)", amountHint));
1156 if (!TextUtils.isEmpty(currency))
1160 if (!TextUtils.isEmpty(comment))
1161 b.append(String.format(" /%s/", comment));
1166 return b.toString();
1168 public boolean equalContents(TransactionAccount other) {
1172 boolean equal = TextUtils.equals(accountName, other.accountName);
1173 equal = equal && TextUtils.equals(comment, other.comment) &&
1174 (amountSet ? other.amountSet && amount == other.amount : !other.amountSet);
1176 // compare amount hint only if there is no amount
1178 equal = equal && (amountHintIsSet ? other.amountHintIsSet &&
1179 TextUtils.equals(amountHint, other.amountHint)
1180 : !other.amountHintIsSet);
1181 equal = equal && TextUtils.equals(currency, other.currency) && isLast == other.isLast;
1183 Logger.debug("new-trans",
1184 String.format("Comparing {%s} and {%s}: %s", this.toString(), other.toString(),
1188 public int getAccountNameCursorPosition() {
1189 return accountNameCursorPosition;
1191 public void setAccountNameCursorPosition(int position) {
1192 this.accountNameCursorPosition = position;
1196 private static class BalanceForCurrency {
1197 private final HashMap<String, Float> hashMap = new HashMap<>();
1198 float get(String currencyName) {
1199 Float f = hashMap.get(currencyName);
1202 hashMap.put(currencyName, f);
1206 void add(String currencyName, float amount) {
1207 hashMap.put(currencyName, get(currencyName) + amount);
1209 Set<String> currencies() {
1210 return hashMap.keySet();
1212 boolean containsCurrency(String currencyName) {
1213 return hashMap.containsKey(currencyName);
1217 private static class ItemsForCurrency {
1218 private final HashMap<String, List<Item>> hashMap = new HashMap<>();
1220 List<NewTransactionModel.Item> getList(@Nullable String currencyName) {
1221 List<NewTransactionModel.Item> list = hashMap.get(currencyName);
1223 list = new ArrayList<>();
1224 hashMap.put(currencyName, list);
1228 void add(@Nullable String currencyName, @NonNull NewTransactionModel.Item item) {
1229 getList(currencyName).add(item);
1231 int size(@Nullable String currencyName) {
1232 return this.getList(currencyName)
1235 Set<String> currencies() {
1236 return hashMap.keySet();