/*
- * Copyright © 2018 Damyan Ivanov.
+ * Copyright © 2019 Damyan Ivanov.
* This file is part of Mobile-Ledger.
* Mobile-Ledger is free software: you can distribute it and/or modify it
* under the term of the GNU General Public License as published by
package net.ktnx.mobileledger.model;
+import android.database.Cursor;
import android.database.sqlite.SQLiteDatabase;
+import android.util.Log;
import net.ktnx.mobileledger.utils.Digest;
+import net.ktnx.mobileledger.utils.Globals;
import java.nio.charset.Charset;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.Comparator;
-import java.util.Iterator;
+import java.util.Date;
public class LedgerTransaction {
private static final String DIGEST_TYPE = "SHA-256";
- public final Comparator<LedgerTransactionItem> comparator =
- new Comparator<LedgerTransactionItem>() {
+ public final Comparator<LedgerTransactionAccount> comparator =
+ new Comparator<LedgerTransactionAccount>() {
@Override
- public int compare(LedgerTransactionItem o1, LedgerTransactionItem o2) {
+ public int compare(LedgerTransactionAccount o1, LedgerTransactionAccount o2) {
int res = o1.getAccountName().compareTo(o2.getAccountName());
if (res != 0) return res;
res = o1.getCurrency().compareTo(o2.getCurrency());
return Float.compare(o1.getAmount(), o2.getAmount());
}
};
- private String id;
- private String date;
+ private String profile;
+ private Integer id;
+ private Date date;
private String description;
- private ArrayList<LedgerTransactionItem> items;
+ private ArrayList<LedgerTransactionAccount> accounts;
private String dataHash;
- public LedgerTransaction(String id, String date, String description) {
+ private boolean dataLoaded;
+ public LedgerTransaction(Integer id, String dateString, String description) {
+ this(id, Globals.parseLedgerDate(dateString), description);
+ }
+ public LedgerTransaction(Integer id, Date date, String description) {
+ this.profile = Data.profile.get().getUuid();
this.id = id;
this.date = date;
this.description = description;
- this.items = new ArrayList<>();
+ this.accounts = new ArrayList<>();
this.dataHash = null;
+ dataLoaded = false;
}
- public LedgerTransaction(int id, String date, String description) {
- this(String.valueOf(id), date, description);
- }
- public LedgerTransaction(String date, String description) {
+ public LedgerTransaction(Date date, String description) {
this(null, date, description);
}
- public void add_item(LedgerTransactionItem item) {
- items.add(item);
+ public LedgerTransaction(int id) {
+ this(id, (Date) null, null);
+ }
+ public ArrayList<LedgerTransactionAccount> getAccounts() {
+ return accounts;
+ }
+ public void addAccount(LedgerTransactionAccount item) {
+ accounts.add(item);
dataHash = null;
}
- public String getDate() {
+ public Date getDate() {
return date;
}
- public void setDate(String date) {
+ public void setDate(Date date) {
this.date = date;
dataHash = null;
}
this.description = description;
dataHash = null;
}
- public Iterator<LedgerTransactionItem> getItemsIterator() {
- return new Iterator<LedgerTransactionItem>() {
- private int pointer = 0;
- @Override
- public boolean hasNext() {
- return pointer < items.size();
- }
-
- @Override
- public LedgerTransactionItem next() {
- return hasNext() ? items.get(pointer++) : null;
- }
- };
- }
- public String getId() {
+ public int getId() {
return id;
}
- public void insertInto(SQLiteDatabase db) {
- fillDataHash();
- db.execSQL("INSERT INTO transactions(id, date, description, data_hash) values(?,?,?,?)",
- new String[]{id, date, description});
-
- for (LedgerTransactionItem item : items) {
- db.execSQL("INSERT INTO transaction_accounts(transaction_id, account_name, amount, " +
- "currency) values(?, ?, ?, ?)",
- new Object[]{id, item.getAccountName(), item.getAmount(), item.getCurrency()});
- }
- }
- private void fillDataHash() {
+ protected void fillDataHash() {
if (dataHash != null) return;
try {
Digest sha = new Digest(DIGEST_TYPE);
StringBuilder data = new StringBuilder();
+ data.append(profile);
data.append(getId());
data.append('\0');
data.append(getDescription());
data.append('\0');
- for (LedgerTransactionItem item : items) {
+ data.append(Globals.formatLedgerDate(getDate()));
+ data.append('\0');
+ for (LedgerTransactionAccount item : accounts) {
data.append(item.getAccountName());
data.append('\0');
data.append(item.getCurrency());
String.format("Unable to get instance of %s digest", DIGEST_TYPE), e);
}
}
+ public boolean existsInDb(SQLiteDatabase db) {
+ fillDataHash();
+ try (Cursor c = db
+ .rawQuery("SELECT 1 from transactions where data_hash = ?", new String[]{dataHash}))
+ {
+ boolean result = c.moveToFirst();
+ Log.d("db", String.format("Transaction %d (%s) %s", id, dataHash,
+ result ? "already present" : "not present"));
+ return result;
+ }
+ }
+ public void loadData(SQLiteDatabase db) {
+ if (dataLoaded) return;
+
+ try (Cursor cTr = db
+ .rawQuery("SELECT date, description from transactions WHERE profile=? AND id=?",
+ new String[]{profile, String.valueOf(id)}))
+ {
+ if (cTr.moveToFirst()) {
+ String dateString = cTr.getString(0);
+ date = Globals.parseLedgerDate(dateString);
+ description = cTr.getString(1);
+
+ try (Cursor cAcc = db.rawQuery("SELECT account_name, amount, currency FROM " +
+ "transaction_accounts WHERE " +
+ "profile=? AND transaction_id = ?",
+ new String[]{profile, String.valueOf(id)}))
+ {
+ while (cAcc.moveToNext()) {
+// Log.d("transactions",
+// String.format("Loaded %d: %s %1.2f %s", id, cAcc.getString(0),
+// cAcc.getFloat(1), cAcc.getString(2)));
+ addAccount(new LedgerTransactionAccount(cAcc.getString(0), cAcc.getFloat(1),
+ cAcc.getString(2)));
+ }
+
+ finishLoading();
+ }
+ }
+ }
+
+ }
+ public String getDataHash() {
+ return dataHash;
+ }
+ public void finishLoading() {
+ dataLoaded = true;
+ }
}
projects / mobile-ledger.git / blobdiff