X-Git-Url: https://git.ktnx.net/?p=mobile-ledger.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fnet%2Fktnx%2Fmobileledger%2Fmodel%2FLedgerTransaction.java;h=8e16408ff18c69abc73d693fa18734b642c18194;hp=a103ab3951d92c0ef643f81dbaf15f45c52c1a1c;hb=c0a2a2d5aa42ad56f76dfe73ba10250e11e7f3fd;hpb=6b740c280c79b0170321f533747cdbfc3e179a29 diff --git a/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransaction.java b/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransaction.java index a103ab39..8e16408f 100644 --- a/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransaction.java +++ b/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransaction.java @@ -1,89 +1,211 @@ /* - * Copyright © 2018 Damyan Ivanov. - * This file is part of Mobile-Ledger. - * Mobile-Ledger is free software: you can distribute it and/or modify it + * Copyright © 2019 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 * the Free Software Foundation, either version 3 of the License, or * (at your opinion), any later version. * - * Mobile-Ledger is distributed in the hope that it will be useful, + * MoLe is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License terms for details. * * You should have received a copy of the GNU General Public License - * along with Mobile-Ledger. If not, see . + * along with MoLe. If not, see . */ package net.ktnx.mobileledger.model; +import android.database.Cursor; import android.database.sqlite.SQLiteDatabase; +import android.util.Log; +import net.ktnx.mobileledger.json.ParsedLedgerTransaction; +import net.ktnx.mobileledger.json.ParsedPosting; +import net.ktnx.mobileledger.utils.Digest; +import net.ktnx.mobileledger.utils.Globals; + +import java.nio.charset.Charset; +import java.security.NoSuchAlgorithmException; +import java.text.ParseException; import java.util.ArrayList; -import java.util.Iterator; -import java.util.List; +import java.util.Comparator; +import java.util.Date; public class LedgerTransaction { - private String id; - private String date; + private static final String DIGEST_TYPE = "SHA-256"; + public final Comparator comparator = + new Comparator() { + @Override + 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()); + if (res != 0) return res; + return Float.compare(o1.getAmount(), o2.getAmount()); + } + }; + private String profile; + private Integer id; + private Date date; private String description; - private List items; - - public LedgerTransaction(String id, String date, String description) { + private ArrayList accounts; + private String dataHash; + private boolean dataLoaded; + public LedgerTransaction(Integer id, String dateString, String description) + throws ParseException { + this(id, Globals.parseLedgerDate(dateString), description); + } + public LedgerTransaction(Integer id, Date date, String description, MobileLedgerProfile profile) { + this.profile = profile.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(Integer id, Date date, String description) { + this(id, date, description, Data.profile.get()); } - 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 String getDate() { + public LedgerTransaction(int id, String profileUUID) { + this.profile = profileUUID; + this.id = id; + this.date = null; + this.description = null; + this.accounts = new ArrayList<>(); + this.dataHash = null; + this.dataLoaded = false; + } + public ArrayList getAccounts() { + return accounts; + } + public void addAccount(LedgerTransactionAccount item) { + accounts.add(item); + dataHash = null; + } + public Date getDate() { return date; } - - public void setDate(String date) { + public void setDate(Date date) { this.date = date; + dataHash = null; } - public String getDescription() { return description; } - public void setDescription(String description) { this.description = description; + dataHash = null; } - - public Iterator getItemsIterator() { - return new Iterator() { - private int pointer = 0; - @Override - public boolean hasNext() { - return pointer < items.size(); + public int getId() { + return id; + } + 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'); + data.append(Globals.formatLedgerDate(getDate())); + data.append('\0'); + for (LedgerTransactionAccount item : accounts) { + data.append(item.getAccountName()); + data.append('\0'); + data.append(item.getCurrency()); + data.append('\0'); + data.append(item.getAmount()); } + sha.update(data.toString().getBytes(Charset.forName("UTF-8"))); + dataHash = sha.digestToHexString(); + } + catch (NoSuchAlgorithmException e) { + throw new RuntimeException( + 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); + try { + date = Globals.parseLedgerDate(dateString); + } + catch (ParseException e) { + e.printStackTrace(); + throw new RuntimeException( + String.format("Error parsing date '%s' from " + "transacion %d", + dateString, id)); + } + description = cTr.getString(1); - @Override - public LedgerTransactionItem next() { - return hasNext() ? items.get(pointer++) : null; + 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 getId() { - return id; + public String getDataHash() { + return dataHash; } + public void finishLoading() { + dataLoaded = true; + } + public ParsedLedgerTransaction toParsedLedgerTransaction() { + ParsedLedgerTransaction result = new ParsedLedgerTransaction(); + result.setTcomment(""); + result.setTprecedingcomment(""); - public void insertInto(SQLiteDatabase db) { - db.execSQL("INSERT INTO transactions(id, date, " + "description) 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()}); + ArrayList postings = new ArrayList<>(); + for (LedgerTransactionAccount acc : accounts) { + if (!acc.getAccountName().isEmpty()) postings.add(acc.asParsedPosting()); } + + result.setTpostings(postings); + result.setTdate(Globals.formatIsoDate(date)); + result.setTdate2(null); + result.setTindex(1); + result.setTdescription(description); + return result; } }