app/src/main/java/net/ktnx/mobileledger/model/MobileLedgerProfile.java

   1 /*
   2  * Copyright © 2020 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.
   8  *
   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.
  13  *
  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/>.
  16  */
  17
  18 package net.ktnx.mobileledger.model;
  19
  20 import android.content.res.Resources;
  21 import android.database.Cursor;
  22 import android.database.sqlite.SQLiteDatabase;
  23 import android.os.Build;
  24 import android.text.TextUtils;
  25 import android.util.SparseArray;
  26
  27 import androidx.annotation.Nullable;
  28 import androidx.lifecycle.LiveData;
  29 import androidx.lifecycle.MutableLiveData;
  30
  31 import net.ktnx.mobileledger.App;
  32 import net.ktnx.mobileledger.R;
  33 import net.ktnx.mobileledger.async.DbOpQueue;
  34 import net.ktnx.mobileledger.async.SendTransactionTask;
  35 import net.ktnx.mobileledger.utils.LockHolder;
  36 import net.ktnx.mobileledger.utils.Locker;
  37 import net.ktnx.mobileledger.utils.Logger;
  38 import net.ktnx.mobileledger.utils.MLDB;
  39 import net.ktnx.mobileledger.utils.Misc;
  40
  41 import org.jetbrains.annotations.Contract;
  42
  43 import java.util.ArrayList;
  44 import java.util.Calendar;
  45 import java.util.Date;
  46 import java.util.HashMap;
  47 import java.util.Iterator;
  48 import java.util.List;
  49 import java.util.Locale;
  50 import java.util.Map;
  51 import java.util.Objects;
  52
  53 import static net.ktnx.mobileledger.utils.Logger.debug;
  54
  55 public final class MobileLedgerProfile {
  56     private final MutableLiveData<List<LedgerAccount>> displayedAccounts;
  57     private final MutableLiveData<List<LedgerTransaction>> allTransactions;
  58     private final MutableLiveData<List<LedgerTransaction>> displayedTransactions;
  59     // N.B. when adding new fields, update the copy-constructor below
  60     private final String uuid;
  61     private final Locker accountsLocker = new Locker();
  62     private List<LedgerAccount> allAccounts;
  63     private String name;
  64     private boolean permitPosting;
  65     private boolean showCommentsByDefault;
  66     private boolean showCommodityByDefault;
  67     private String defaultCommodity;
  68     private String preferredAccountsFilter;
  69     private String url;
  70     private boolean authEnabled;
  71     private String authUserName;
  72     private String authPassword;
  73     private int themeHue;
  74     private int orderNo = -1;
  75     private SendTransactionTask.API apiVersion = SendTransactionTask.API.auto;
  76     private Calendar firstTransactionDate;
  77     private Calendar lastTransactionDate;
  78     private FutureDates futureDates = FutureDates.None;
  79     private boolean accountsLoaded;
  80     private boolean transactionsLoaded;
  81     // N.B. when adding new fields, update the copy-constructor below
  82     transient private AccountListLoader loader = null;
  83     transient private Thread displayedAccountsUpdater;
  84     transient private AccountListSaver accountListSaver;
  85     transient private TransactionListSaver transactionListSaver;
  86     transient private AccountAndTransactionListSaver accountAndTransactionListSaver;
  87     private Map<String, LedgerAccount> accountMap = new HashMap<>();
  88     public MobileLedgerProfile(String uuid) {
  89         this.uuid = uuid;
  90         allAccounts = new ArrayList<>();
  91         displayedAccounts = new MutableLiveData<>();
  92         allTransactions = new MutableLiveData<>(new ArrayList<>());
  93         displayedTransactions = new MutableLiveData<>(new ArrayList<>());
  94     }
  95     public MobileLedgerProfile(MobileLedgerProfile origin) {
  96         uuid = origin.uuid;
  97         name = origin.name;
  98         permitPosting = origin.permitPosting;
  99         showCommentsByDefault = origin.showCommentsByDefault;
 100         showCommodityByDefault = origin.showCommodityByDefault;
 101         preferredAccountsFilter = origin.preferredAccountsFilter;
 102         url = origin.url;
 103         authEnabled = origin.authEnabled;
 104         authUserName = origin.authUserName;
 105         authPassword = origin.authPassword;
 106         themeHue = origin.themeHue;
 107         orderNo = origin.orderNo;
 108         futureDates = origin.futureDates;
 109         apiVersion = origin.apiVersion;
 110         defaultCommodity = origin.defaultCommodity;
 111         firstTransactionDate = origin.firstTransactionDate;
 112         lastTransactionDate = origin.lastTransactionDate;
 113         displayedAccounts = origin.displayedAccounts;
 114         allAccounts = origin.allAccounts;
 115         accountMap = origin.accountMap;
 116         displayedTransactions = origin.displayedTransactions;
 117         allTransactions = origin.allTransactions;
 118         accountsLoaded = origin.accountsLoaded;
 119         transactionsLoaded = origin.transactionsLoaded;
 120     }
 121     // loads all profiles into Data.profiles
 122     // returns the profile with the given UUID
 123     public static MobileLedgerProfile loadAllFromDB(@Nullable String currentProfileUUID) {
 124         MobileLedgerProfile result = null;
 125         ArrayList<MobileLedgerProfile> list = new ArrayList<>();
 126         SQLiteDatabase db = App.getDatabase();
 127         try (Cursor cursor = db.rawQuery("SELECT uuid, name, url, use_authentication, auth_user, " +
 128                                          "auth_password, permit_posting, theme, order_no, " +
 129                                          "preferred_accounts_filter, future_dates, api_version, " +
 130                                          "show_commodity_by_default, default_commodity, " +
 131                                          "show_comments_by_default FROM " +
 132                                          "profiles order by order_no", null))
 133         {
 134             while (cursor.moveToNext()) {
 135                 MobileLedgerProfile item = new MobileLedgerProfile(cursor.getString(0));
 136                 item.setName(cursor.getString(1));
 137                 item.setUrl(cursor.getString(2));
 138                 item.setAuthEnabled(cursor.getInt(3) == 1);
 139                 item.setAuthUserName(cursor.getString(4));
 140                 item.setAuthPassword(cursor.getString(5));
 141                 item.setPostingPermitted(cursor.getInt(6) == 1);
 142                 item.setThemeId(cursor.getInt(7));
 143                 item.orderNo = cursor.getInt(8);
 144                 item.setPreferredAccountsFilter(cursor.getString(9));
 145                 item.setFutureDates(cursor.getInt(10));
 146                 item.setApiVersion(cursor.getInt(11));
 147                 item.setShowCommodityByDefault(cursor.getInt(12) == 1);
 148                 item.setDefaultCommodity(cursor.getString(13));
 149                 item.setShowCommentsByDefault(cursor.getInt(14) == 1);
 150                 list.add(item);
 151                 if (item.getUuid()
 152                         .equals(currentProfileUUID))
 153                     result = item;
 154             }
 155         }
 156         Data.profiles.setValue(list);
 157         return result;
 158     }
 159     public static void storeProfilesOrder() {
 160         SQLiteDatabase db = App.getDatabase();
 161         db.beginTransactionNonExclusive();
 162         try {
 163             int orderNo = 0;
 164             for (MobileLedgerProfile p : Data.profiles.getValue()) {
 165                 db.execSQL("update profiles set order_no=? where uuid=?",
 166                         new Object[]{orderNo, p.getUuid()});
 167                 p.orderNo = orderNo;
 168                 orderNo++;
 169             }
 170             db.setTransactionSuccessful();
 171         }
 172         finally {
 173             db.endTransaction();
 174         }
 175     }
 176     public static ArrayList<LedgerAccount> mergeAccountLists(List<LedgerAccount> oldList,
 177                                                              List<LedgerAccount> newList) {
 178         LedgerAccount oldAcc, newAcc;
 179         ArrayList<LedgerAccount> merged = new ArrayList<>();
 180
 181         Iterator<LedgerAccount> oldIterator = oldList.iterator();
 182         Iterator<LedgerAccount> newIterator = newList.iterator();
 183
 184         while (true) {
 185             if (!oldIterator.hasNext()) {
 186                 // the rest of the incoming are new
 187                 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
 188                     newIterator.forEachRemaining(merged::add);
 189                 }
 190                 else {
 191                     while (newIterator.hasNext())
 192                         merged.add(newIterator.next());
 193                 }
 194                 break;
 195             }
 196             oldAcc = oldIterator.next();
 197
 198             if (!newIterator.hasNext()) {
 199                 // no more incoming accounts. ignore the rest of the old
 200                 break;
 201             }
 202             newAcc = newIterator.next();
 203
 204             // ignore now missing old items
 205             if (oldAcc.getName()
 206                       .compareTo(newAcc.getName()) < 0)
 207                 continue;
 208
 209             // add newly found items
 210             if (oldAcc.getName()
 211                       .compareTo(newAcc.getName()) > 0)
 212             {
 213                 merged.add(newAcc);
 214                 continue;
 215             }
 216
 217             // two items with same account names; merge UI-controlled fields
 218             oldAcc.setExpanded(newAcc.isExpanded());
 219             oldAcc.setAmountsExpanded(newAcc.amountsExpanded());
 220             merged.add(oldAcc);
 221         }
 222
 223         return merged;
 224     }
 225     public void mergeAccountList(List<LedgerAccount> newList) {
 226
 227         try (LockHolder l = accountsLocker.lockForWriting()) {
 228             allAccounts = mergeAccountLists(allAccounts, newList);
 229             updateAccountsMap(allAccounts);
 230         }
 231     }
 232     public LiveData<List<LedgerAccount>> getDisplayedAccounts() {
 233         return displayedAccounts;
 234     }
 235     @Contract(value = "null -> false", pure = true)
 236     @Override
 237     public boolean equals(@Nullable Object obj) {
 238         if (obj == null)
 239             return false;
 240         if (obj == this)
 241             return true;
 242         if (obj.getClass() != this.getClass())
 243             return false;
 244
 245         MobileLedgerProfile p = (MobileLedgerProfile) obj;
 246         if (!uuid.equals(p.uuid))
 247             return false;
 248         if (!name.equals(p.name))
 249             return false;
 250         if (permitPosting != p.permitPosting)
 251             return false;
 252         if (showCommentsByDefault != p.showCommentsByDefault)
 253             return false;
 254         if (showCommodityByDefault != p.showCommodityByDefault)
 255             return false;
 256         if (!Objects.equals(defaultCommodity, p.defaultCommodity))
 257             return false;
 258         if (!Objects.equals(preferredAccountsFilter, p.preferredAccountsFilter))
 259             return false;
 260         if (!Objects.equals(url, p.url))
 261             return false;
 262         if (authEnabled != p.authEnabled)
 263             return false;
 264         if (!Objects.equals(authUserName, p.authUserName))
 265             return false;
 266         if (!Objects.equals(authPassword, p.authPassword))
 267             return false;
 268         if (themeHue != p.themeHue)
 269             return false;
 270         if (apiVersion != p.apiVersion)
 271             return false;
 272         if (!Objects.equals(firstTransactionDate, p.firstTransactionDate))
 273             return false;
 274         if (!Objects.equals(lastTransactionDate, p.lastTransactionDate))
 275             return false;
 276         return futureDates == p.futureDates;
 277     }
 278     synchronized public void scheduleAccountListReload() {
 279         Logger.debug("async-acc", "scheduleAccountListReload() enter");
 280         if ((loader != null) && loader.isAlive()) {
 281             Logger.debug("async-acc", "returning early - loader already active");
 282             return;
 283         }
 284
 285         Logger.debug("async-acc", "Starting AccountListLoader");
 286         loader = new AccountListLoader(this);
 287         loader.start();
 288     }
 289     synchronized public void abortAccountListReload() {
 290         if (loader == null)
 291             return;
 292         loader.interrupt();
 293         loader = null;
 294     }
 295     public boolean getShowCommentsByDefault() {
 296         return showCommentsByDefault;
 297     }
 298     public void setShowCommentsByDefault(boolean newValue) {
 299         this.showCommentsByDefault = newValue;
 300     }
 301     public boolean getShowCommodityByDefault() {
 302         return showCommodityByDefault;
 303     }
 304     public void setShowCommodityByDefault(boolean showCommodityByDefault) {
 305         this.showCommodityByDefault = showCommodityByDefault;
 306     }
 307     public String getDefaultCommodity() {
 308         return defaultCommodity;
 309     }
 310     public void setDefaultCommodity(String defaultCommodity) {
 311         this.defaultCommodity = defaultCommodity;
 312     }
 313     public void setDefaultCommodity(CharSequence defaultCommodity) {
 314         if (defaultCommodity == null)
 315             this.defaultCommodity = null;
 316         else
 317             this.defaultCommodity = String.valueOf(defaultCommodity);
 318     }
 319     public SendTransactionTask.API getApiVersion() {
 320         return apiVersion;
 321     }
 322     public void setApiVersion(SendTransactionTask.API apiVersion) {
 323         this.apiVersion = apiVersion;
 324     }
 325     public void setApiVersion(int apiVersion) {
 326         this.apiVersion = SendTransactionTask.API.valueOf(apiVersion);
 327     }
 328     public FutureDates getFutureDates() {
 329         return futureDates;
 330     }
 331     public void setFutureDates(int anInt) {
 332         futureDates = FutureDates.valueOf(anInt);
 333     }
 334     public void setFutureDates(FutureDates futureDates) {
 335         this.futureDates = futureDates;
 336     }
 337     public String getPreferredAccountsFilter() {
 338         return preferredAccountsFilter;
 339     }
 340     public void setPreferredAccountsFilter(String preferredAccountsFilter) {
 341         this.preferredAccountsFilter = preferredAccountsFilter;
 342     }
 343     public void setPreferredAccountsFilter(CharSequence preferredAccountsFilter) {
 344         setPreferredAccountsFilter(String.valueOf(preferredAccountsFilter));
 345     }
 346     public boolean isPostingPermitted() {
 347         return permitPosting;
 348     }
 349     public void setPostingPermitted(boolean permitPosting) {
 350         this.permitPosting = permitPosting;
 351     }
 352     public String getUuid() {
 353         return uuid;
 354     }
 355     public String getName() {
 356         return name;
 357     }
 358     public void setName(CharSequence text) {
 359         setName(String.valueOf(text));
 360     }
 361     public void setName(String name) {
 362         this.name = name;
 363     }
 364     public String getUrl() {
 365         return url;
 366     }
 367     public void setUrl(CharSequence text) {
 368         setUrl(String.valueOf(text));
 369     }
 370     public void setUrl(String url) {
 371         this.url = url;
 372     }
 373     public boolean isAuthEnabled() {
 374         return authEnabled;
 375     }
 376     public void setAuthEnabled(boolean authEnabled) {
 377         this.authEnabled = authEnabled;
 378     }
 379     public String getAuthUserName() {
 380         return authUserName;
 381     }
 382     public void setAuthUserName(CharSequence text) {
 383         setAuthUserName(String.valueOf(text));
 384     }
 385     public void setAuthUserName(String authUserName) {
 386         this.authUserName = authUserName;
 387     }
 388     public String getAuthPassword() {
 389         return authPassword;
 390     }
 391     public void setAuthPassword(CharSequence text) {
 392         setAuthPassword(String.valueOf(text));
 393     }
 394     public void setAuthPassword(String authPassword) {
 395         this.authPassword = authPassword;
 396     }
 397     public void storeInDB() {
 398         SQLiteDatabase db = App.getDatabase();
 399         db.beginTransactionNonExclusive();
 400         try {
 401 //            debug("profiles", String.format("Storing profile in DB: uuid=%s, name=%s, " +
 402 //                                            "url=%s, permit_posting=%s, authEnabled=%s, " +
 403 //                                            "themeHue=%d", uuid, name, url,
 404 //                    permitPosting ? "TRUE" : "FALSE", authEnabled ? "TRUE" : "FALSE", themeHue));
 405             db.execSQL("REPLACE INTO profiles(uuid, name, permit_posting, url, " +
 406                        "use_authentication, auth_user, auth_password, theme, order_no, " +
 407                        "preferred_accounts_filter, future_dates, api_version, " +
 408                        "show_commodity_by_default, default_commodity, show_comments_by_default) " +
 409                        "VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
 410                     new Object[]{uuid, name, permitPosting, url, authEnabled,
 411                                  authEnabled ? authUserName : null,
 412                                  authEnabled ? authPassword : null, themeHue, orderNo,
 413                                  preferredAccountsFilter, futureDates.toInt(), apiVersion.toInt(),
 414                                  showCommodityByDefault, defaultCommodity, showCommentsByDefault
 415                     });
 416             db.setTransactionSuccessful();
 417         }
 418         finally {
 419             db.endTransaction();
 420         }
 421     }
 422     public void storeAccount(SQLiteDatabase db, LedgerAccount acc, boolean storeUiFields) {
 423         // replace into is a bad idea because it would reset hidden to its default value
 424         // we like the default, but for new accounts only
 425         String sql = "update accounts set keep = 1";
 426         List<Object> params = new ArrayList<>();
 427         if (storeUiFields) {
 428             sql += ", expanded=?";
 429             params.add(acc.isExpanded() ? 1 : 0);
 430         }
 431         sql += " where profile=? and name=?";
 432         params.add(uuid);
 433         params.add(acc.getName());
 434         db.execSQL(sql, params.toArray());
 435
 436         db.execSQL("insert into accounts(profile, name, name_upper, parent_name, level, " +
 437                    "expanded, keep) " + "select ?,?,?,?,?,0,1 where (select changes() = 0)",
 438                 new Object[]{uuid, acc.getName(), acc.getName().toUpperCase(), acc.getParentName(),
 439                              acc.getLevel()
 440                 });
 441 //        debug("accounts", String.format("Stored account '%s' in DB [%s]", acc.getName(), uuid));
 442     }
 443     public void storeAccountValue(SQLiteDatabase db, String name, String currency, Float amount) {
 444         db.execSQL("replace into account_values(profile, account, " +
 445                    "currency, value, keep) values(?, ?, ?, ?, 1);",
 446                 new Object[]{uuid, name, Misc.emptyIsNull(currency), amount});
 447     }
 448     public void storeTransaction(SQLiteDatabase db, LedgerTransaction tr) {
 449         tr.fillDataHash();
 450         db.execSQL("DELETE from transactions WHERE profile=? and id=?",
 451                 new Object[]{uuid, tr.getId()});
 452         db.execSQL("DELETE from transaction_accounts WHERE profile = ? and transaction_id=?",
 453                 new Object[]{uuid, tr.getId()});
 454
 455         db.execSQL("INSERT INTO transactions(profile, id, year, month, day, description, " +
 456                    "comment, data_hash, keep) values(?,?,?,?,?,?,?,?,1)",
 457                 new Object[]{uuid, tr.getId(), tr.getDate().year, tr.getDate().month,
 458                              tr.getDate().day, tr.getDescription(), tr.getComment(),
 459                              tr.getDataHash()
 460                 });
 461
 462         for (LedgerTransactionAccount item : tr.getAccounts()) {
 463             db.execSQL("INSERT INTO transaction_accounts(profile, transaction_id, " +
 464                        "account_name, amount, currency, comment) values(?, ?, ?, ?, ?, ?)",
 465                     new Object[]{uuid, tr.getId(), item.getAccountName(), item.getAmount(),
 466                                  Misc.nullIsEmpty(item.getCurrency()), item.getComment()
 467                     });
 468         }
 469 //        debug("profile", String.format("Transaction %d stored", tr.getId()));
 470     }
 471     public String getOption(String name, String default_value) {
 472         SQLiteDatabase db = App.getDatabase();
 473         try (Cursor cursor = db.rawQuery("select value from options where profile = ? and name=?",
 474                 new String[]{uuid, name}))
 475         {
 476             if (cursor.moveToFirst()) {
 477                 String result = cursor.getString(0);
 478
 479                 if (result == null) {
 480                     debug("profile", "returning default value for " + name);
 481                     result = default_value;
 482                 }
 483                 else
 484                     debug("profile", String.format("option %s=%s", name, result));
 485
 486                 return result;
 487             }
 488             else
 489                 return default_value;
 490         }
 491         catch (Exception e) {
 492             debug("db", "returning default value for " + name, e);
 493             return default_value;
 494         }
 495     }
 496     public long getLongOption(String name, long default_value) {
 497         long longResult;
 498         String result = getOption(name, "");
 499         if ((result == null) || result.isEmpty()) {
 500             debug("profile", String.format("Returning default value for option %s", name));
 501             longResult = default_value;
 502         }
 503         else {
 504             try {
 505                 longResult = Long.parseLong(result);
 506                 debug("profile", String.format("option %s=%s", name, result));
 507             }
 508             catch (Exception e) {
 509                 debug("profile", String.format("Returning default value for option %s", name), e);
 510                 longResult = default_value;
 511             }
 512         }
 513
 514         return longResult;
 515     }
 516     public void setOption(String name, String value) {
 517         debug("profile", String.format("setting option %s=%s", name, value));
 518         DbOpQueue.add("insert or replace into options(profile, name, value) values(?, ?, ?);",
 519                 new String[]{uuid, name, value});
 520     }
 521     public void setLongOption(String name, long value) {
 522         setOption(name, String.valueOf(value));
 523     }
 524     public void removeFromDB() {
 525         SQLiteDatabase db = App.getDatabase();
 526         debug("db", String.format("removing profile %s from DB", uuid));
 527         db.beginTransactionNonExclusive();
 528         try {
 529             Object[] uuid_param = new Object[]{uuid};
 530             db.execSQL("delete from profiles where uuid=?", uuid_param);
 531             db.execSQL("delete from accounts where profile=?", uuid_param);
 532             db.execSQL("delete from account_values where profile=?", uuid_param);
 533             db.execSQL("delete from transactions where profile=?", uuid_param);
 534             db.execSQL("delete from transaction_accounts where profile=?", uuid_param);
 535             db.execSQL("delete from options where profile=?", uuid_param);
 536             db.setTransactionSuccessful();
 537         }
 538         finally {
 539             db.endTransaction();
 540         }
 541     }
 542     public LedgerTransaction loadTransaction(int transactionId) {
 543         LedgerTransaction tr = new LedgerTransaction(transactionId, this.uuid);
 544         tr.loadData(App.getDatabase());
 545
 546         return tr;
 547     }
 548     public int getThemeHue() {
 549 //        debug("profile", String.format("Profile.getThemeHue() returning %d", themeHue));
 550         return this.themeHue;
 551     }
 552     public void setThemeHue(Object o) {
 553         setThemeId(Integer.parseInt(String.valueOf(o)));
 554     }
 555     public void setThemeId(int themeHue) {
 556 //        debug("profile", String.format("Profile.setThemeHue(%d) called", themeHue));
 557         this.themeHue = themeHue;
 558     }
 559     public void markTransactionsAsNotPresent(SQLiteDatabase db) {
 560         db.execSQL("UPDATE transactions set keep=0 where profile=?", new String[]{uuid});
 561
 562     }
 563     private void markAccountsAsNotPresent(SQLiteDatabase db) {
 564         db.execSQL("update account_values set keep=0 where profile=?;", new String[]{uuid});
 565         db.execSQL("update accounts set keep=0 where profile=?;", new String[]{uuid});
 566
 567     }
 568     private void deleteNotPresentAccounts(SQLiteDatabase db) {
 569         db.execSQL("delete from account_values where keep=0 and profile=?", new String[]{uuid});
 570         db.execSQL("delete from accounts where keep=0 and profile=?", new String[]{uuid});
 571     }
 572     private void markTransactionAsPresent(SQLiteDatabase db, LedgerTransaction transaction) {
 573         db.execSQL("UPDATE transactions SET keep = 1 WHERE profile = ? and id=?",
 574                 new Object[]{uuid, transaction.getId()
 575                 });
 576     }
 577     private void markTransactionsBeforeTransactionAsPresent(SQLiteDatabase db,
 578                                                             LedgerTransaction transaction) {
 579         db.execSQL("UPDATE transactions SET keep=1 WHERE profile = ? and id < ?",
 580                 new Object[]{uuid, transaction.getId()
 581                 });
 582
 583     }
 584     private void deleteNotPresentTransactions(SQLiteDatabase db) {
 585         db.execSQL("DELETE FROM transactions WHERE profile=? AND keep = 0", new String[]{uuid});
 586     }
 587     private void setLastUpdateStamp() {
 588         debug("db", "Updating transaction value stamp");
 589         Date now = new Date();
 590         setLongOption(MLDB.OPT_LAST_SCRAPE, now.getTime());
 591         Data.lastUpdateDate.postValue(now);
 592     }
 593     public void wipeAllData() {
 594         SQLiteDatabase db = App.getDatabase();
 595         db.beginTransaction();
 596         try {
 597             String[] pUuid = new String[]{uuid};
 598             db.execSQL("delete from options where profile=?", pUuid);
 599             db.execSQL("delete from accounts where profile=?", pUuid);
 600             db.execSQL("delete from account_values where profile=?", pUuid);
 601             db.execSQL("delete from transactions where profile=?", pUuid);
 602             db.execSQL("delete from transaction_accounts where profile=?", pUuid);
 603             db.setTransactionSuccessful();
 604             debug("wipe", String.format(Locale.ENGLISH, "Profile %s wiped out", pUuid[0]));
 605         }
 606         finally {
 607             db.endTransaction();
 608         }
 609     }
 610     public List<Currency> getCurrencies() {
 611         SQLiteDatabase db = App.getDatabase();
 612
 613         ArrayList<Currency> result = new ArrayList<>();
 614
 615         try (Cursor c = db.rawQuery("SELECT c.id, c.name, c.position, c.has_gap FROM currencies c",
 616                 new String[]{}))
 617         {
 618             while (c.moveToNext()) {
 619                 Currency currency = new Currency(c.getInt(0), c.getString(1),
 620                         Currency.Position.valueOf(c.getInt(2)), c.getInt(3) == 1);
 621                 result.add(currency);
 622             }
 623         }
 624
 625         return result;
 626     }
 627     Currency loadCurrencyByName(String name) {
 628         SQLiteDatabase db = App.getDatabase();
 629         Currency result = tryLoadCurrencyByName(db, name);
 630         if (result == null)
 631             throw new RuntimeException(String.format("Unable to load currency '%s'", name));
 632         return result;
 633     }
 634     private Currency tryLoadCurrencyByName(SQLiteDatabase db, String name) {
 635         try (Cursor cursor = db.rawQuery(
 636                 "SELECT c.id, c.name, c.position, c.has_gap FROM currencies c WHERE c.name=?",
 637                 new String[]{name}))
 638         {
 639             if (cursor.moveToFirst()) {
 640                 return new Currency(cursor.getInt(0), cursor.getString(1),
 641                         Currency.Position.valueOf(cursor.getInt(2)), cursor.getInt(3) == 1);
 642             }
 643             return null;
 644         }
 645     }
 646     public Calendar getFirstTransactionDate() {
 647         return firstTransactionDate;
 648     }
 649     public Calendar getLastTransactionDate() {
 650         return lastTransactionDate;
 651     }
 652     private void applyTransactionFilter(List<LedgerTransaction> list) {
 653         final String accFilter = Data.accountFilter.getValue();
 654         if (TextUtils.isEmpty(accFilter)) {
 655             displayedTransactions.postValue(list);
 656         }
 657         else {
 658             ArrayList<LedgerTransaction> newList = new ArrayList<>();
 659             for (LedgerTransaction tr : list) {
 660                 if (tr.hasAccountNamedLike(accFilter))
 661                     newList.add(tr);
 662             }
 663             displayedTransactions.postValue(newList);
 664         }
 665     }
 666     synchronized public void storeAccountListAsync(List<LedgerAccount> list,
 667                                                    boolean storeUiFields) {
 668         if (accountListSaver != null)
 669             accountListSaver.interrupt();
 670         accountListSaver = new AccountListSaver(this, list, storeUiFields);
 671         accountListSaver.start();
 672     }
 673     public void setAndStoreAccountListFromWeb(ArrayList<LedgerAccount> list) {
 674         SQLiteDatabase db = App.getDatabase();
 675         db.beginTransactionNonExclusive();
 676         try {
 677             markAccountsAsNotPresent(db);
 678             for (LedgerAccount acc : list) {
 679                 storeAccount(db, acc, false);
 680                 for (LedgerAmount amt : acc.getAmounts()) {
 681                     storeAccountValue(db, acc.getName(), amt.getCurrency(), amt.getAmount());
 682                 }
 683             }
 684             deleteNotPresentAccounts(db);
 685             setLastUpdateStamp();
 686             db.setTransactionSuccessful();
 687         }
 688         finally {
 689             db.endTransaction();
 690         }
 691
 692         mergeAccountList(list);
 693         updateDisplayedAccounts();
 694     }
 695     public synchronized Locker lockAccountsForWriting() {
 696         accountsLocker.lockForWriting();
 697         return accountsLocker;
 698     }
 699     public void setAndStoreTransactionList(ArrayList<LedgerTransaction> list) {
 700         storeTransactionListAsync(this, list);
 701         SQLiteDatabase db = App.getDatabase();
 702         db.beginTransactionNonExclusive();
 703         try {
 704             markTransactionsAsNotPresent(db);
 705             for (LedgerTransaction tr : list)
 706                 storeTransaction(db, tr);
 707             deleteNotPresentTransactions(db);
 708             setLastUpdateStamp();
 709             db.setTransactionSuccessful();
 710         }
 711         finally {
 712             db.endTransaction();
 713         }
 714
 715         allTransactions.postValue(list);
 716     }
 717     private void storeTransactionListAsync(MobileLedgerProfile mobileLedgerProfile,
 718                                            List<LedgerTransaction> list) {
 719         if (transactionListSaver != null)
 720             transactionListSaver.interrupt();
 721
 722         transactionListSaver = new TransactionListSaver(this, list);
 723         transactionListSaver.start();
 724     }
 725     public void setAndStoreAccountAndTransactionListFromWeb(List<LedgerAccount> accounts,
 726                                                             List<LedgerTransaction> transactions) {
 727         storeAccountAndTransactionListAsync(accounts, transactions, false);
 728
 729         mergeAccountList(accounts);
 730         updateDisplayedAccounts();
 731
 732         allTransactions.postValue(transactions);
 733     }
 734     private void storeAccountAndTransactionListAsync(List<LedgerAccount> accounts,
 735                                                      List<LedgerTransaction> transactions,
 736                                                      boolean storeAccUiFields) {
 737         if (accountAndTransactionListSaver != null)
 738             accountAndTransactionListSaver.interrupt();
 739
 740         accountAndTransactionListSaver =
 741                 new AccountAndTransactionListSaver(this, accounts, transactions, storeAccUiFields);
 742         accountAndTransactionListSaver.start();
 743     }
 744     synchronized public void updateDisplayedAccounts() {
 745         if (displayedAccountsUpdater != null) {
 746             displayedAccountsUpdater.interrupt();
 747         }
 748         displayedAccountsUpdater = new AccountListDisplayedFilter(this, allAccounts);
 749         displayedAccountsUpdater.start();
 750     }
 751     public List<LedgerAccount> getAllAccounts() {
 752         return allAccounts;
 753     }
 754     private void updateAccountsMap(List<LedgerAccount> newAccounts) {
 755         accountMap.clear();
 756         for (LedgerAccount acc : newAccounts) {
 757             accountMap.put(acc.getName(), acc);
 758         }
 759     }
 760     @Nullable
 761     public LedgerAccount locateAccount(String name) {
 762         return accountMap.get(name);
 763     }
 764
 765     public enum FutureDates {
 766         None(0), OneWeek(7), TwoWeeks(14), OneMonth(30), TwoMonths(60), ThreeMonths(90),
 767         SixMonths(180), OneYear(365), All(-1);
 768         private static SparseArray<FutureDates> map = new SparseArray<>();
 769
 770         static {
 771             for (FutureDates item : FutureDates.values()) {
 772                 map.put(item.value, item);
 773             }
 774         }
 775
 776         private int value;
 777         FutureDates(int value) {
 778             this.value = value;
 779         }
 780         public static FutureDates valueOf(int i) {
 781             return map.get(i, None);
 782         }
 783         public int toInt() {
 784             return this.value;
 785         }
 786         public String getText(Resources resources) {
 787             switch (value) {
 788                 case 7:
 789                     return resources.getString(R.string.future_dates_7);
 790                 case 14:
 791                     return resources.getString(R.string.future_dates_14);
 792                 case 30:
 793                     return resources.getString(R.string.future_dates_30);
 794                 case 60:
 795                     return resources.getString(R.string.future_dates_60);
 796                 case 90:
 797                     return resources.getString(R.string.future_dates_90);
 798                 case 180:
 799                     return resources.getString(R.string.future_dates_180);
 800                 case 365:
 801                     return resources.getString(R.string.future_dates_365);
 802                 case -1:
 803                     return resources.getString(R.string.future_dates_all);
 804                 default:
 805                     return resources.getString(R.string.future_dates_none);
 806             }
 807         }
 808     }
 809
 810     static class AccountListLoader extends Thread {
 811         MobileLedgerProfile profile;
 812         AccountListLoader(MobileLedgerProfile profile) {
 813             this.profile = profile;
 814         }
 815         @Override
 816         public void run() {
 817             Logger.debug("async-acc", "AccountListLoader::run() entered");
 818             String profileUUID = profile.getUuid();
 819             ArrayList<LedgerAccount> list = new ArrayList<>();
 820             HashMap<String, LedgerAccount> map = new HashMap<>();
 821
 822             String sql = "SELECT a.name, a.expanded, a.amounts_expanded";
 823             sql += " from accounts a WHERE a.profile = ?";
 824             sql += " ORDER BY a.name";
 825
 826             SQLiteDatabase db = App.getDatabase();
 827             Logger.debug("async-acc", "AccountListLoader::run() connected to DB");
 828             try (Cursor cursor = db.rawQuery(sql, new String[]{profileUUID})) {
 829                 Logger.debug("async-acc", "AccountListLoader::run() executed query");
 830                 while (cursor.moveToNext()) {
 831                     if (isInterrupted())
 832                         return;
 833
 834                     final String accName = cursor.getString(0);
 835 //                    debug("accounts",
 836 //                            String.format("Read account '%s' from DB [%s]", accName,
 837 //                            profileUUID));
 838                     String parentName = LedgerAccount.extractParentName(accName);
 839                     LedgerAccount parent;
 840                     if (parentName != null) {
 841                         parent = map.get(parentName);
 842                         if (parent == null)
 843                             throw new IllegalStateException(
 844                                     String.format("Can't load account '%s': parent '%s' not loaded",
 845                                             accName, parentName));
 846                         parent.setHasSubAccounts(true);
 847                     }
 848                     else
 849                         parent = null;
 850
 851                     LedgerAccount acc = new LedgerAccount(profile, accName, parent);
 852                     acc.setExpanded(cursor.getInt(1) == 1);
 853                     acc.setAmountsExpanded(cursor.getInt(2) == 1);
 854                     acc.setHasSubAccounts(false);
 855
 856                     try (Cursor c2 = db.rawQuery(
 857                             "SELECT value, currency FROM account_values WHERE profile = ?" + " " +
 858                             "AND account = ?", new String[]{profileUUID, accName}))
 859                     {
 860                         while (c2.moveToNext()) {
 861                             acc.addAmount(c2.getFloat(0), c2.getString(1));
 862                         }
 863                     }
 864
 865                     list.add(acc);
 866                     map.put(accName, acc);
 867                 }
 868                 Logger.debug("async-acc", "AccountListLoader::run() query execution done");
 869             }
 870
 871             if (isInterrupted())
 872                 return;
 873
 874             Logger.debug("async-acc", "AccountListLoader::run() posting new list");
 875             profile.allAccounts = list;
 876             profile.updateAccountsMap(list);
 877             profile.updateDisplayedAccounts();
 878         }
 879     }
 880
 881     static class AccountListDisplayedFilter extends Thread {
 882         private final MobileLedgerProfile profile;
 883         private final List<LedgerAccount> list;
 884         AccountListDisplayedFilter(MobileLedgerProfile profile, List<LedgerAccount> list) {
 885             this.profile = profile;
 886             this.list = list;
 887         }
 888         @Override
 889         public void run() {
 890             List<LedgerAccount> newDisplayed = new ArrayList<>();
 891             Logger.debug("dFilter", "waiting for synchronized block");
 892             Logger.debug("dFilter", String.format(Locale.US,
 893                     "entered synchronized block (about to examine %d accounts)", list.size()));
 894             for (LedgerAccount a : list) {
 895                 if (isInterrupted()) {
 896                     return;
 897                 }
 898
 899                 if (a.isVisible()) {
 900                     newDisplayed.add(a);
 901                 }
 902             }
 903             if (!isInterrupted()) {
 904                 profile.displayedAccounts.postValue(newDisplayed);
 905             }
 906             Logger.debug("dFilter", "left synchronized block");
 907         }
 908     }
 909
 910     private static class AccountListSaver extends Thread {
 911         private final MobileLedgerProfile profile;
 912         private final List<LedgerAccount> list;
 913         private final boolean storeUiFields;
 914         AccountListSaver(MobileLedgerProfile profile, List<LedgerAccount> list,
 915                          boolean storeUiFields) {
 916             this.list = list;
 917             this.profile = profile;
 918             this.storeUiFields = storeUiFields;
 919         }
 920         @Override
 921         public void run() {
 922             SQLiteDatabase db = App.getDatabase();
 923             db.beginTransactionNonExclusive();
 924             try {
 925                 profile.markAccountsAsNotPresent(db);
 926                 if (isInterrupted())
 927                     return;
 928                 for (LedgerAccount acc : list) {
 929                     profile.storeAccount(db, acc, storeUiFields);
 930                     if (isInterrupted())
 931                         return;
 932                 }
 933                 profile.deleteNotPresentAccounts(db);
 934                 if (isInterrupted())
 935                     return;
 936                 profile.setLastUpdateStamp();
 937                 db.setTransactionSuccessful();
 938             }
 939             finally {
 940                 db.endTransaction();
 941             }
 942         }
 943     }
 944
 945     private static class TransactionListSaver extends Thread {
 946         private final MobileLedgerProfile profile;
 947         private final List<LedgerTransaction> list;
 948         TransactionListSaver(MobileLedgerProfile profile, List<LedgerTransaction> list) {
 949             this.list = list;
 950             this.profile = profile;
 951         }
 952         @Override
 953         public void run() {
 954             SQLiteDatabase db = App.getDatabase();
 955             db.beginTransactionNonExclusive();
 956             try {
 957                 profile.markTransactionsAsNotPresent(db);
 958                 if (isInterrupted())
 959                     return;
 960                 for (LedgerTransaction tr : list) {
 961                     profile.storeTransaction(db, tr);
 962                     if (isInterrupted())
 963                         return;
 964                 }
 965                 profile.deleteNotPresentTransactions(db);
 966                 if (isInterrupted())
 967                     return;
 968                 profile.setLastUpdateStamp();
 969                 db.setTransactionSuccessful();
 970             }
 971             finally {
 972                 db.endTransaction();
 973             }
 974         }
 975     }
 976
 977     private static class AccountAndTransactionListSaver extends Thread {
 978         private final MobileLedgerProfile profile;
 979         private final List<LedgerAccount> accounts;
 980         private final List<LedgerTransaction> transactions;
 981         private final boolean storeAccUiFields;
 982         AccountAndTransactionListSaver(MobileLedgerProfile profile, List<LedgerAccount> accounts,
 983                                        List<LedgerTransaction> transactions,
 984                                        boolean storeAccUiFields) {
 985             this.accounts = accounts;
 986             this.transactions = transactions;
 987             this.profile = profile;
 988             this.storeAccUiFields = storeAccUiFields;
 989         }
 990         @Override
 991         public void run() {
 992             SQLiteDatabase db = App.getDatabase();
 993             db.beginTransactionNonExclusive();
 994             try {
 995                 profile.markAccountsAsNotPresent(db);
 996                 if (isInterrupted())
 997                     return;
 998
 999                 profile.markTransactionsAsNotPresent(db);
1000                 if (isInterrupted()) {
1001                     return;
1002                 }
1003
1004                 for (LedgerAccount acc : accounts) {
1005                     profile.storeAccount(db, acc, storeAccUiFields);
1006                     if (isInterrupted())
1007                         return;
1008                 }
1009
1010                 for (LedgerTransaction tr : transactions) {
1011                     profile.storeTransaction(db, tr);
1012                     if (isInterrupted()) {
1013                         return;
1014                     }
1015                 }
1016
1017                 profile.deleteNotPresentAccounts(db);
1018                 if (isInterrupted()) {
1019                     return;
1020                 }
1021                 profile.deleteNotPresentTransactions(db);
1022                 if (isInterrupted())
1023                     return;
1024
1025                 profile.setLastUpdateStamp();
1026
1027                 db.setTransactionSuccessful();
1028             }
1029             finally {
1030                 db.endTransaction();
1031             }
1032         }
1033     }
1034 }