package net.ktnx.mobileledger.ui.activity;
+import android.annotation.SuppressLint;
import android.database.Cursor;
import android.view.LayoutInflater;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
import androidx.recyclerview.widget.ItemTouchHelper;
import androidx.recyclerview.widget.RecyclerView;
import net.ktnx.mobileledger.App;
+import net.ktnx.mobileledger.BuildConfig;
import net.ktnx.mobileledger.R;
import net.ktnx.mobileledger.async.DescriptionSelectedCallback;
+import net.ktnx.mobileledger.model.Currency;
import net.ktnx.mobileledger.model.Data;
import net.ktnx.mobileledger.model.LedgerTransaction;
import net.ktnx.mobileledger.model.LedgerTransactionAccount;
import net.ktnx.mobileledger.model.MobileLedgerProfile;
import net.ktnx.mobileledger.utils.Logger;
+import net.ktnx.mobileledger.utils.Misc;
import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
import java.util.Locale;
+import java.util.Set;
import static net.ktnx.mobileledger.utils.Logger.debug;
private MobileLedgerProfile mProfile;
private ItemTouchHelper touchHelper;
private RecyclerView recyclerView;
+ private int checkHoldCounter = 0;
NewTransactionItemsAdapter(NewTransactionModel viewModel, MobileLedgerProfile profile) {
super();
model = viewModel;
viewModel.removeItem(pos - 1);
notifyItemRemoved(pos);
viewModel.sendCountNotifications(); // needed after items re-arrangement
- viewModel.checkTransactionSubmittable(adapter);
+ checkTransactionSubmittable();
}
});
}
model.moveItemLast(singlePositiveIndex);
}
}
- model.checkTransactionSubmittable(this);
+ checkTransactionSubmittable();
model.setFocusedItem(1);
}
public void toggleAllEditing(boolean editable) {
public void toggleComment(int position) {
model.toggleComment(position);
}
+ private void holdSubmittableChecks() {
+ checkHoldCounter++;
+ }
+ private void releaseSubmittableChecks() {
+ if (checkHoldCounter == 0)
+ throw new RuntimeException("Asymmetrical call to releaseSubmittableChecks");
+ checkHoldCounter--;
+ }
+ void setItemCurrency(NewTransactionModel.Item item, Currency newCurrency) {
+ Currency oldCurrency = item.getCurrency();
+ if (!Currency.equal(newCurrency, oldCurrency)) {
+ holdSubmittableChecks();
+ try {
+ item.setCurrency(newCurrency);
+// for (Item i : items) {
+// if (Currency.equal(i.getCurrency(), oldCurrency))
+// i.setCurrency(newCurrency);
+// }
+ }
+ finally {
+ releaseSubmittableChecks();
+ }
+
+ checkTransactionSubmittable();
+ }
+ }
+ /*
+ A transaction is submittable if:
+ 0) has description
+ 1) has at least two account names
+ 2) each row with amount has account name
+ 3) for each commodity:
+ 3a) amounts must balance to 0, or
+ 3b) there must be exactly one empty amount (with account)
+ 4) empty accounts with empty amounts are ignored
+ Side effects:
+ 5) a row with an empty account name or empty amount is guaranteed to exist for each
+ commodity
+ 6) at least two rows need to be present in the ledger
+
+ */
+ @SuppressLint("DefaultLocale")
+ void checkTransactionSubmittable() {
+ if (checkHoldCounter > 0)
+ return;
+
+ int accounts = 0;
+ final BalanceForCurrency balance = new BalanceForCurrency();
+ final String descriptionText = model.getDescription();
+ boolean submittable = true;
+ final ItemsForCurrency itemsForCurrency = new ItemsForCurrency();
+ final ItemsForCurrency itemsWithEmptyAmountForCurrency =
+ new ItemsForCurrency();
+ final ItemsForCurrency itemsWithAccountAndEmptyAmountForCurrency =
+ new ItemsForCurrency();
+ final ItemsForCurrency itemsWithEmptyAccountForCurrency =
+ new ItemsForCurrency();
+ final ItemsForCurrency itemsWithAmountForCurrency =
+ new ItemsForCurrency();
+ final ItemsForCurrency itemsWithAccountForCurrency =
+ new ItemsForCurrency();
+ final ItemsForCurrency emptyRowsForCurrency =
+ new ItemsForCurrency();
+ final List<NewTransactionModel.Item> emptyRows = new ArrayList<>();
+
+ try {
+ if ((descriptionText == null) || descriptionText.trim()
+ .isEmpty())
+ {
+ Logger.debug("submittable", "Transaction not submittable: missing description");
+ submittable = false;
+ }
+
+ for (int i = 0; i < model.items.size(); i++) {
+ NewTransactionModel.Item item = model.items.get(i);
+
+ LedgerTransactionAccount acc = item.getAccount();
+ String acc_name = acc.getAccountName()
+ .trim();
+ String currName = acc.getCurrency();
+
+ itemsForCurrency.add(currName, item);
+
+ if (acc_name.isEmpty()) {
+ itemsWithEmptyAccountForCurrency.add(currName, item);
+
+ if (acc.isAmountSet()) {
+ // 2) each amount has account name
+ Logger.debug("submittable", String.format(
+ "Transaction not submittable: row %d has no account name, but" +
+ " has" + " amount %1.2f", i + 1, acc.getAmount()));
+ submittable = false;
+ }
+ else {
+ emptyRowsForCurrency.add(currName, item);
+ }
+ }
+ else {
+ accounts++;
+ itemsWithAccountForCurrency.add(currName, item);
+ }
+
+ if (acc.isAmountSet()) {
+ itemsWithAmountForCurrency.add(currName, item);
+ balance.add(currName, acc.getAmount());
+ }
+ else {
+ itemsWithEmptyAmountForCurrency.add(currName, item);
+
+ if (!acc_name.isEmpty())
+ itemsWithAccountAndEmptyAmountForCurrency.add(currName, item);
+ }
+ }
+
+ // 1) has at least two account names
+ if (accounts < 2) {
+ if (accounts == 0)
+ Logger.debug("submittable",
+ "Transaction not submittable: no account " + "names");
+ else if (accounts == 1)
+ Logger.debug("submittable",
+ "Transaction not submittable: only one account name");
+ else
+ Logger.debug("submittable",
+ String.format("Transaction not submittable: only %d account names",
+ accounts));
+ submittable = false;
+ }
+
+ // 3) for each commodity:
+ // 3a) amount must balance to 0, or
+ // 3b) there must be exactly one empty amount (with account)
+ for (String balCurrency : itemsForCurrency.currencies()) {
+ float currencyBalance = balance.get(balCurrency);
+ if (Misc.isZero(currencyBalance)) {
+ // remove hints from all amount inputs in that currency
+ for (NewTransactionModel.Item item : model.items) {
+ if (Currency.equal(item.getCurrency(), balCurrency))
+ item.setAmountHint(null);
+ }
+ }
+ else {
+ List<NewTransactionModel.Item> list =
+ itemsWithAccountAndEmptyAmountForCurrency.getList(balCurrency);
+ int balanceReceiversCount = list.size();
+ if (balanceReceiversCount != 1) {
+ if (BuildConfig.DEBUG) {
+ if (balanceReceiversCount == 0)
+ Logger.debug("submittable", String.format(
+ "Transaction not submittable [%s]: non-zero balance " +
+ "with no empty amounts with accounts", balCurrency));
+ else
+ Logger.debug("submittable", String.format(
+ "Transaction not submittable [%s]: non-zero balance " +
+ "with multiple empty amounts with accounts", balCurrency));
+ }
+ submittable = false;
+ }
+
+ List<NewTransactionModel.Item> emptyAmountList =
+ itemsWithEmptyAmountForCurrency.getList(balCurrency);
+
+ // suggest off-balance amount to a row and remove hints on other rows
+ NewTransactionModel.Item receiver = null;
+ if (!list.isEmpty())
+ receiver = list.get(0);
+ else if (!emptyAmountList.isEmpty())
+ receiver = emptyAmountList.get(0);
+
+ for (NewTransactionModel.Item item : model.items) {
+ if (!Currency.equal(item.getCurrency(), balCurrency))
+ continue;
+
+ if (item.equals(receiver)) {
+ if (BuildConfig.DEBUG)
+ Logger.debug("submittable",
+ String.format("Setting amount hint to %1.2f [%s]",
+ -currencyBalance, balCurrency));
+ item.setAmountHint(String.format("%1.2f", -currencyBalance));
+ }
+ else {
+ if (BuildConfig.DEBUG)
+ Logger.debug("submittable",
+ String.format("Resetting hint of '%s' [%s]",
+ (item.getAccount() == null) ? "" : item.getAccount()
+ .getAccountName(),
+ balCurrency));
+ item.setAmountHint(null);
+ }
+ }
+ }
+ }
+
+ // 5) a row with an empty account name or empty amount is guaranteed to exist for
+ // each commodity
+ for (String balCurrency : balance.currencies()) {
+ int currEmptyRows = itemsWithEmptyAccountForCurrency.size(balCurrency);
+ int currRows = itemsForCurrency.size(balCurrency);
+ int currAccounts = itemsWithAccountForCurrency.size(balCurrency);
+ int currAmounts = itemsWithAmountForCurrency.size(balCurrency);
+ if ((currEmptyRows == 0) &&
+ ((currRows == currAccounts) || (currRows == currAmounts)))
+ {
+ // perhaps there already is an unused empty row for another currency that
+ // is not used?
+// boolean foundIt = false;
+// for (Item item : emptyRows) {
+// Currency itemCurrency = item.getCurrency();
+// String itemCurrencyName =
+// (itemCurrency == null) ? "" : itemCurrency.getName();
+// if (Misc.isZero(balance.get(itemCurrencyName))) {
+// item.setCurrency(Currency.loadByName(balCurrency));
+// item.setAmountHint(
+// String.format("%1.2f", -balance.get(balCurrency)));
+// foundIt = true;
+// break;
+// }
+// }
+//
+// if (!foundIt)
+ addRow(balCurrency);
+ }
+ }
+
+ // drop extra empty rows, not needed
+ for (String currName : emptyRowsForCurrency.currencies()) {
+ List<NewTransactionModel.Item> emptyItems = emptyRowsForCurrency.getList(currName);
+ while ((model.items.size() > 2) && (emptyItems.size() > 1)) {
+ NewTransactionModel.Item item = emptyItems.get(1);
+ emptyItems.remove(1);
+ model.removeRow(item, this);
+ }
+
+ // unused currency, remove last item (which is also an empty one)
+ if ((model.items.size() > 2) && (emptyItems.size() == 1)) {
+ List<NewTransactionModel.Item> currItems = itemsForCurrency.getList(currName);
+
+ if (currItems.size() == 1) {
+ NewTransactionModel.Item item = emptyItems.get(0);
+ model.removeRow(item, this);
+ }
+ }
+ }
+
+ // 6) at least two rows need to be present in the ledger
+ while (model.items.size() < 2)
+ addRow();
+
+
+ debug("submittable", submittable ? "YES" : "NO");
+ model.isSubmittable.setValue(submittable);
+
+ if (BuildConfig.DEBUG) {
+ debug("submittable", "== Dump of all items");
+ for (int i = 0; i < model.items.size(); i++) {
+ NewTransactionModel.Item item = model.items.get(i);
+ LedgerTransactionAccount acc = item.getAccount();
+ debug("submittable", String.format("Item %2d: [%4.2f(%s) %s] %s ; %s", i,
+ acc.isAmountSet() ? acc.getAmount() : 0,
+ item.isAmountHintSet() ? item.getAmountHint() : "ΓΈ", acc.getCurrency(),
+ acc.getAccountName(), acc.getComment()));
+ }
+ }
+ }
+ catch (NumberFormatException e) {
+ debug("submittable", "NO (because of NumberFormatException)");
+ model.isSubmittable.setValue(false);
+ }
+ catch (Exception e) {
+ e.printStackTrace();
+ debug("submittable", "NO (because of an Exception)");
+ model.isSubmittable.setValue(false);
+ }
+ }
+ private class BalanceForCurrency {
+ private HashMap<String, Float> hashMap = new HashMap<>();
+ float get(String currencyName) {
+ Float f = hashMap.get(currencyName);
+ if (f == null) {
+ f = 0f;
+ hashMap.put(currencyName, f);
+ }
+ return f;
+ }
+ void add(String currencyName, float amount) {
+ hashMap.put(currencyName, get(currencyName) + amount);
+ }
+ Set<String> currencies() {
+ return hashMap.keySet();
+ }
+ boolean containsCurrency(String currencyName) {
+ return hashMap.containsKey(currencyName);
+ }
+ }
+
+ private class ItemsForCurrency {
+ private HashMap<String, List<NewTransactionModel.Item>> hashMap = new HashMap<>();
+ @NonNull
+ List<NewTransactionModel.Item> getList(@Nullable String currencyName) {
+ List<NewTransactionModel.Item> list = hashMap.get(currencyName);
+ if (list == null) {
+ list = new ArrayList<>();
+ hashMap.put(currencyName, list);
+ }
+ return list;
+ }
+ void add(@Nullable String currencyName, @NonNull NewTransactionModel.Item item) {
+ getList(currencyName).add(item);
+ }
+ int size(@Nullable String currencyName) {
+ return this.getList(currencyName)
+ .size();
+ }
+ Set<String> currencies() {
+ return hashMap.keySet();
+ }
+ }
}
projects / mobile-ledger.git / blobdiff