/*
- * Copyright © 2019 Damyan Ivanov.
+ * Copyright © 2020 Damyan Ivanov.
* This file is part of MoLe.
* MoLe is free software: you can distribute it and/or modify it
* under the term of the GNU General Public License as published by
import androidx.recyclerview.widget.DiffUtil;
import net.ktnx.mobileledger.App;
+import net.ktnx.mobileledger.utils.Misc;
public class Currency {
public static final DiffUtil.ItemCallback<Currency> DIFF_CALLBACK =
(oldItem.hasGap == newItem.hasGap);
}
};
- private int id;
+ private final int id;
private String name;
private Position position;
private boolean hasGap;
}
public Currency(MobileLedgerProfile profile, String name, Position position, boolean hasGap) {
SQLiteDatabase db = App.getDatabase();
- int attempts = 0;
- while (true) {
- if (++attempts > 10)
- throw new RuntimeException("Giving up getting next ID after 10 attempts");
- try (Cursor c = db.rawQuery("select max(rowid) from currencies", null)) {
- c.moveToNext();
- int nextId = c.getInt(0) + 1;
- db.execSQL("insert into currencies(id, name, position, has_gap) values(?, ?, ?, ?)",
- new Object[]{nextId, name, position.toString(), hasGap});
-
- this.id = nextId;
- break;
- }
+ try (Cursor c = db.rawQuery("select max(rowid) from currencies", null)) {
+ c.moveToNext();
+ this.id = c.getInt(0) + 1;
}
+ db.execSQL("insert into currencies(id, name, position, has_gap) values(?, ?, ?, ?)",
+ new Object[]{this.id, name, position.toString(), hasGap});
this.name = name;
this.position = position;
this.hasGap = hasGap;
}
+ public static Currency loadByName(String name) {
+ MobileLedgerProfile profile = Data.getProfile();
+ return profile.loadCurrencyByName(name);
+ }
+ public static Currency loadById(int id) {
+ MobileLedgerProfile profile = Data.getProfile();
+ return profile.loadCurrencyById(id);
+ }
+ static public boolean equal(Currency left, Currency right) {
+ if (left == null) {
+ return right == null;
+ }
+ else
+ return left.equals(right);
+ }
+ static public boolean equal(Currency left, String right) {
+ right = Misc.emptyIsNull(right);
+ if (left == null) {
+ return right == null;
+ }
+ else {
+ String leftName = Misc.emptyIsNull(left.getName());
+ if (leftName == null) {
+ return right == null;
+ }
+ else
+ return leftName.equals(right);
+ }
+ }
public int getId() {
return id;
}
this.hasGap = hasGap;
}
public enum Position {
- before(-1), after(1), unknown(0), none(-2);
- private int value;
- Position(int value) {
- this.value = value;
- }
- static Position valueOf(int value) {
- switch (value) {
- case -1:
- return before;
- case +1:
- return after;
- case 0:
- return unknown;
- case -2:
- return none;
- default:
- throw new IllegalStateException(String.format("Unexpected value (%d)", value));
- }
- }
+ before, after, unknown, none
}
}