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> mergeAccountListsFromWeb(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; forward-merge UI-controlled fields
 218             // it is important that the result list contains a new LedgerAccount instance
 219             // so that the change is propagated to the UI
 220             newAcc.setExpanded(oldAcc.isExpanded());
 221             newAcc.setAmountsExpanded(oldAcc.amountsExpanded());
 222             merged.add(newAcc);
 223         }
 224
 225         return merged;
 226     }
 227     public void mergeAccountListFromWeb(List<LedgerAccount> newList) {
 228
 229         try (LockHolder l = accountsLocker.lockForWriting()) {
 230             allAccounts = mergeAccountListsFromWeb(allAccounts, newList);
 231             updateAccountsMap(allAccounts);
 232         }
 233     }
 234     public LiveData<List<LedgerAccount>> getDisplayedAccounts() {
 235         return displayedAccounts;
 236     }
 237     @Contract(value = "null -> false", pure = true)
 238     @Override
 239     public boolean equals(@Nullable Object obj) {
 240         if (obj == null)
 241             return false;
 242         if (obj == this)
 243             return true;
 244         if (obj.getClass() != this.getClass())
 245             return false;
 246
 247         MobileLedgerProfile p = (MobileLedgerProfile) obj;
 248         if (!uuid.equals(p.uuid))
 249             return false;
 250         if (!name.equals(p.name))
 251             return false;
 252         if (permitPosting != p.permitPosting)
 253             return false;
 254         if (showCommentsByDefault != p.showCommentsByDefault)
 255             return false;
 256         if (showCommodityByDefault != p.showCommodityByDefault)
 257             return false;
 258         if (!Objects.equals(defaultCommodity, p.defaultCommodity))
 259             return false;
 260         if (!Objects.equals(preferredAccountsFilter, p.preferredAccountsFilter))
 261             return false;
 262         if (!Objects.equals(url, p.url))
 263             return false;
 264         if (authEnabled != p.authEnabled)
 265             return false;
 266         if (!Objects.equals(authUserName, p.authUserName))
 267             return false;
 268         if (!Objects.equals(authPassword, p.authPassword))
 269             return false;
 270         if (themeHue != p.themeHue)
 271             return false;
 272         if (apiVersion != p.apiVersion)
 273             return false;
 274         if (!Objects.equals(firstTransactionDate, p.firstTransactionDate))
 275             return false;
 276         if (!Objects.equals(lastTransactionDate, p.lastTransactionDate))
 277             return false;
 278         return futureDates == p.futureDates;
 279     }
 280     synchronized public void scheduleAccountListReload() {
 281         Logger.debug("async-acc", "scheduleAccountListReload() enter");
 282         if ((loader != null) && loader.isAlive()) {
 283             Logger.debug("async-acc", "returning early - loader already active");
 284             return;
 285         }
 286
 287         Logger.debug("async-acc", "Starting AccountListLoader");
 288         loader = new AccountListLoader(this);
 289         loader.start();
 290     }
 291     synchronized public void abortAccountListReload() {
 292         if (loader == null)
 293             return;
 294         loader.interrupt();
 295         loader = null;
 296     }
 297     public boolean getShowCommentsByDefault() {
 298         return showCommentsByDefault;
 299     }
 300     public void setShowCommentsByDefault(boolean newValue) {
 301         this.showCommentsByDefault = newValue;
 302     }
 303     public boolean getShowCommodityByDefault() {
 304         return showCommodityByDefault;
 305     }
 306     public void setShowCommodityByDefault(boolean showCommodityByDefault) {
 307         this.showCommodityByDefault = showCommodityByDefault;
 308     }
 309     public String getDefaultCommodity() {
 310         return defaultCommodity;
 311     }
 312     public void setDefaultCommodity(String defaultCommodity) {
 313         this.defaultCommodity = defaultCommodity;
 314     }
 315     public void setDefaultCommodity(CharSequence defaultCommodity) {
 316         if (defaultCommodity == null)
 317             this.defaultCommodity = null;
 318         else
 319             this.defaultCommodity = String.valueOf(defaultCommodity);
 320     }
 321     public SendTransactionTask.API getApiVersion() {
 322         return apiVersion;
 323     }
 324     public void setApiVersion(SendTransactionTask.API apiVersion) {
 325         this.apiVersion = apiVersion;
 326     }
 327     public void setApiVersion(int apiVersion) {
 328         this.apiVersion = SendTransactionTask.API.valueOf(apiVersion);
 329     }
 330     public FutureDates getFutureDates() {
 331         return futureDates;
 332     }
 333     public void setFutureDates(int anInt) {
 334         futureDates = FutureDates.valueOf(anInt);
 335     }
 336     public void setFutureDates(FutureDates futureDates) {
 337         this.futureDates = futureDates;
 338     }
 339     public String getPreferredAccountsFilter() {
 340         return preferredAccountsFilter;
 341     }
 342     public void setPreferredAccountsFilter(String preferredAccountsFilter) {
 343         this.preferredAccountsFilter = preferredAccountsFilter;
 344     }
 345     public void setPreferredAccountsFilter(CharSequence preferredAccountsFilter) {
 346         setPreferredAccountsFilter(String.valueOf(preferredAccountsFilter));
 347     }
 348     public boolean isPostingPermitted() {
 349         return permitPosting;
 350     }
 351     public void setPostingPermitted(boolean permitPosting) {
 352         this.permitPosting = permitPosting;
 353     }
 354     public String getUuid() {
 355         return uuid;
 356     }
 357     public String getName() {
 358         return name;
 359     }
 360     public void setName(CharSequence text) {
 361         setName(String.valueOf(text));
 362     }
 363     public void setName(String name) {
 364         this.name = name;
 365     }
 366     public String getUrl() {
 367         return url;
 368     }
 369     public void setUrl(CharSequence text) {
 370         setUrl(String.valueOf(text));
 371     }
 372     public void setUrl(String url) {
 373         this.url = url;
 374     }
 375     public boolean isAuthEnabled() {
 376         return authEnabled;
 377     }
 378     public void setAuthEnabled(boolean authEnabled) {
 379         this.authEnabled = authEnabled;
 380     }
 381     public String getAuthUserName() {
 382         return authUserName;
 383     }
 384     public void setAuthUserName(CharSequence text) {
 385         setAuthUserName(String.valueOf(text));
 386     }
 387     public void setAuthUserName(String authUserName) {
 388         this.authUserName = authUserName;
 389     }
 390     public String getAuthPassword() {
 391         return authPassword;
 392     }
 393     public void setAuthPassword(CharSequence text) {
 394         setAuthPassword(String.valueOf(text));
 395     }
 396     public void setAuthPassword(String authPassword) {
 397         this.authPassword = authPassword;
 398     }
 399     public void storeInDB() {
 400         SQLiteDatabase db = App.getDatabase();
 401         db.beginTransactionNonExclusive();
 402         try {
 403 //            debug("profiles", String.format("Storing profile in DB: uuid=%s, name=%s, " +
 404 //                                            "url=%s, permit_posting=%s, authEnabled=%s, " +
 405 //                                            "themeHue=%d", uuid, name, url,
 406 //                    permitPosting ? "TRUE" : "FALSE", authEnabled ? "TRUE" : "FALSE", themeHue));
 407             db.execSQL("REPLACE INTO profiles(uuid, name, permit_posting, url, " +
 408                        "use_authentication, auth_user, auth_password, theme, order_no, " +
 409                        "preferred_accounts_filter, future_dates, api_version, " +
 410                        "show_commodity_by_default, default_commodity, show_comments_by_default) " +
 411                        "VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
 412                     new Object[]{uuid, name, permitPosting, url, authEnabled,
 413                                  authEnabled ? authUserName : null,
 414                                  authEnabled ? authPassword : null, themeHue, orderNo,
 415                                  preferredAccountsFilter, futureDates.toInt(), apiVersion.toInt(),
 416                                  showCommodityByDefault, defaultCommodity, showCommentsByDefault
 417                     });
 418             db.setTransactionSuccessful();
 419         }
 420         finally {
 421             db.endTransaction();
 422         }
 423     }
 424     public void storeAccount(SQLiteDatabase db, LedgerAccount acc, boolean storeUiFields) {
 425         // replace into is a bad idea because it would reset hidden to its default value
 426         // we like the default, but for new accounts only
 427         String sql = "update accounts set keep = 1";
 428         List<Object> params = new ArrayList<>();
 429         if (storeUiFields) {
 430             sql += ", expanded=?";
 431             params.add(acc.isExpanded() ? 1 : 0);
 432         }
 433         sql += " where profile=? and name=?";
 434         params.add(uuid);
 435         params.add(acc.getName());
 436         db.execSQL(sql, params.toArray());
 437
 438         db.execSQL("insert into accounts(profile, name, name_upper, parent_name, level, " +
 439                    "expanded, keep) " + "select ?,?,?,?,?,0,1 where (select changes() = 0)",
 440                 new Object[]{uuid, acc.getName(), acc.getName().toUpperCase(), acc.getParentName(),
 441                              acc.getLevel()
 442                 });
 443 //        debug("accounts", String.format("Stored account '%s' in DB [%s]", acc.getName(), uuid));
 444     }
 445     public void storeAccountValue(SQLiteDatabase db, String name, String currency, Float amount) {
 446         db.execSQL("replace into account_values(profile, account, " +
 447                    "currency, value, keep) values(?, ?, ?, ?, 1);",
 448                 new Object[]{uuid, name, Misc.emptyIsNull(currency), amount});
 449     }
 450     public void storeTransaction(SQLiteDatabase db, LedgerTransaction tr) {
 451         tr.fillDataHash();
 452         db.execSQL("DELETE from transactions WHERE profile=? and id=?",
 453                 new Object[]{uuid, tr.getId()});
 454         db.execSQL("DELETE from transaction_accounts WHERE profile = ? and transaction_id=?",
 455                 new Object[]{uuid, tr.getId()});
 456
 457         db.execSQL("INSERT INTO transactions(profile, id, year, month, day, description, " +
 458                    "comment, data_hash, keep) values(?,?,?,?,?,?,?,?,1)",
 459                 new Object[]{uuid, tr.getId(), tr.getDate().year, tr.getDate().month,
 460                              tr.getDate().day, tr.getDescription(), tr.getComment(),
 461                              tr.getDataHash()
 462                 });
 463
 464         for (LedgerTransactionAccount item : tr.getAccounts()) {
 465             db.execSQL("INSERT INTO transaction_accounts(profile, transaction_id, " +
 466                        "account_name, amount, currency, comment) values(?, ?, ?, ?, ?, ?)",
 467                     new Object[]{uuid, tr.getId(), item.getAccountName(), item.getAmount(),
 468                                  Misc.nullIsEmpty(item.getCurrency()), item.getComment()
 469                     });
 470         }
 471 //        debug("profile", String.format("Transaction %d stored", tr.getId()));
 472     }
 473     public String getOption(String name, String default_value) {
 474         SQLiteDatabase db = App.getDatabase();
 475         try (Cursor cursor = db.rawQuery("select value from options where profile = ? and name=?",
 476                 new String[]{uuid, name}))
 477         {
 478             if (cursor.moveToFirst()) {
 479                 String result = cursor.getString(0);
 480
 481                 if (result == null) {
 482                     debug("profile", "returning default value for " + name);
 483                     result = default_value;
 484                 }
 485                 else
 486                     debug("profile", String.format("option %s=%s", name, result));
 487
 488                 return result;
 489             }
 490             else
 491                 return default_value;
 492         }
 493         catch (Exception e) {
 494             debug("db", "returning default value for " + name, e);
 495             return default_value;
 496         }
 497     }
 498     public long getLongOption(String name, long default_value) {
 499         long longResult;
 500         String result = getOption(name, "");
 501         if ((result == null) || result.isEmpty()) {
 502             debug("profile", String.format("Returning default value for option %s", name));
 503             longResult = default_value;
 504         }
 505         else {
 506             try {
 507                 longResult = Long.parseLong(result);
 508                 debug("profile", String.format("option %s=%s", name, result));
 509             }
 510             catch (Exception e) {
 511                 debug("profile", String.format("Returning default value for option %s", name), e);
 512                 longResult = default_value;
 513             }
 514         }
 515
 516         return longResult;
 517     }
 518     public void setOption(String name, String value) {
 519         debug("profile", String.format("setting option %s=%s", name, value));
 520         DbOpQueue.add("insert or replace into options(profile, name, value) values(?, ?, ?);",
 521                 new String[]{uuid, name, value});
 522     }
 523     public void setLongOption(String name, long value) {
 524         setOption(name, String.valueOf(value));
 525     }
 526     public void removeFromDB() {
 527         SQLiteDatabase db = App.getDatabase();
 528         debug("db", String.format("removing profile %s from DB", uuid));
 529         db.beginTransactionNonExclusive();
 530         try {
 531             Object[] uuid_param = new Object[]{uuid};
 532             db.execSQL("delete from profiles where uuid=?", uuid_param);
 533             db.execSQL("delete from accounts where profile=?", uuid_param);
 534             db.execSQL("delete from account_values where profile=?", uuid_param);
 535             db.execSQL("delete from transactions where profile=?", uuid_param);
 536             db.execSQL("delete from transaction_accounts where profile=?", uuid_param);
 537             db.execSQL("delete from options where profile=?", uuid_param);
 538             db.setTransactionSuccessful();
 539         }
 540         finally {
 541             db.endTransaction();
 542         }
 543     }
 544     public LedgerTransaction loadTransaction(int transactionId) {
 545         LedgerTransaction tr = new LedgerTransaction(transactionId, this.uuid);
 546         tr.loadData(App.getDatabase());
 547
 548         return tr;
 549     }
 550     public int getThemeHue() {
 551 //        debug("profile", String.format("Profile.getThemeHue() returning %d", themeHue));
 552         return this.themeHue;
 553     }
 554     public void setThemeHue(Object o) {
 555         setThemeId(Integer.parseInt(String.valueOf(o)));
 556     }
 557     public void setThemeId(int themeHue) {
 558 //        debug("profile", String.format("Profile.setThemeHue(%d) called", themeHue));
 559         this.themeHue = themeHue;
 560     }
 561     public void markTransactionsAsNotPresent(SQLiteDatabase db) {
 562         db.execSQL("UPDATE transactions set keep=0 where profile=?", new String[]{uuid});
 563
 564     }
 565     private void markAccountsAsNotPresent(SQLiteDatabase db) {
 566         db.execSQL("update account_values set keep=0 where profile=?;", new String[]{uuid});
 567         db.execSQL("update accounts set keep=0 where profile=?;", new String[]{uuid});
 568
 569     }
 570     private void deleteNotPresentAccounts(SQLiteDatabase db) {
 571         db.execSQL("delete from account_values where keep=0 and profile=?", new String[]{uuid});
 572         db.execSQL("delete from accounts where keep=0 and profile=?", new String[]{uuid});
 573     }
 574     private void markTransactionAsPresent(SQLiteDatabase db, LedgerTransaction transaction) {
 575         db.execSQL("UPDATE transactions SET keep = 1 WHERE profile = ? and id=?",
 576                 new Object[]{uuid, transaction.getId()
 577                 });
 578     }
 579     private void markTransactionsBeforeTransactionAsPresent(SQLiteDatabase db,
 580                                                             LedgerTransaction transaction) {
 581         db.execSQL("UPDATE transactions SET keep=1 WHERE profile = ? and id < ?",
 582                 new Object[]{uuid, transaction.getId()
 583                 });
 584
 585     }
 586     private void deleteNotPresentTransactions(SQLiteDatabase db) {
 587         db.execSQL("DELETE FROM transactions WHERE profile=? AND keep = 0", new String[]{uuid});
 588     }
 589     private void setLastUpdateStamp() {
 590         debug("db", "Updating transaction value stamp");
 591         Date now = new Date();
 592         setLongOption(MLDB.OPT_LAST_SCRAPE, now.getTime());
 593         Data.lastUpdateDate.postValue(now);
 594     }
 595     public void wipeAllData() {
 596         SQLiteDatabase db = App.getDatabase();
 597         db.beginTransaction();
 598         try {
 599             String[] pUuid = new String[]{uuid};
 600             db.execSQL("delete from options where profile=?", pUuid);
 601             db.execSQL("delete from accounts where profile=?", pUuid);
 602             db.execSQL("delete from account_values where profile=?", pUuid);
 603             db.execSQL("delete from transactions where profile=?", pUuid);
 604             db.execSQL("delete from transaction_accounts where profile=?", pUuid);
 605             db.setTransactionSuccessful();
 606             debug("wipe", String.format(Locale.ENGLISH, "Profile %s wiped out", pUuid[0]));
 607         }
 608         finally {
 609             db.endTransaction();
 610         }
 611     }
 612     public List<Currency> getCurrencies() {
 613         SQLiteDatabase db = App.getDatabase();
 614
 615         ArrayList<Currency> result = new ArrayList<>();
 616
 617         try (Cursor c = db.rawQuery("SELECT c.id, c.name, c.position, c.has_gap FROM currencies c",
 618                 new String[]{}))
 619         {
 620             while (c.moveToNext()) {
 621                 Currency currency = new Currency(c.getInt(0), c.getString(1),
 622                         Currency.Position.valueOf(c.getInt(2)), c.getInt(3) == 1);
 623                 result.add(currency);
 624             }
 625         }
 626
 627         return result;
 628     }
 629     Currency loadCurrencyByName(String name) {
 630         SQLiteDatabase db = App.getDatabase();
 631         Currency result = tryLoadCurrencyByName(db, name);
 632         if (result == null)
 633             throw new RuntimeException(String.format("Unable to load currency '%s'", name));
 634         return result;
 635     }
 636     private Currency tryLoadCurrencyByName(SQLiteDatabase db, String name) {
 637         try (Cursor cursor = db.rawQuery(
 638                 "SELECT c.id, c.name, c.position, c.has_gap FROM currencies c WHERE c.name=?",
 639                 new String[]{name}))
 640         {
 641             if (cursor.moveToFirst()) {
 642                 return new Currency(cursor.getInt(0), cursor.getString(1),
 643                         Currency.Position.valueOf(cursor.getInt(2)), cursor.getInt(3) == 1);
 644             }
 645             return null;
 646         }
 647     }
 648     public Calendar getFirstTransactionDate() {
 649         return firstTransactionDate;
 650     }
 651     public Calendar getLastTransactionDate() {
 652         return lastTransactionDate;
 653     }
 654     private void applyTransactionFilter(List<LedgerTransaction> list) {
 655         final String accFilter = Data.accountFilter.getValue();
 656         if (TextUtils.isEmpty(accFilter)) {
 657             displayedTransactions.postValue(list);
 658         }
 659         else {
 660             ArrayList<LedgerTransaction> newList = new ArrayList<>();
 661             for (LedgerTransaction tr : list) {
 662                 if (tr.hasAccountNamedLike(accFilter))
 663                     newList.add(tr);
 664             }
 665             displayedTransactions.postValue(newList);
 666         }
 667     }
 668     synchronized public void storeAccountListAsync(List<LedgerAccount> list,
 669                                                    boolean storeUiFields) {
 670         if (accountListSaver != null)
 671             accountListSaver.interrupt();
 672         accountListSaver = new AccountListSaver(this, list, storeUiFields);
 673         accountListSaver.start();
 674     }
 675     public void setAndStoreAccountListFromWeb(ArrayList<LedgerAccount> list) {
 676         SQLiteDatabase db = App.getDatabase();
 677         db.beginTransactionNonExclusive();
 678         try {
 679             markAccountsAsNotPresent(db);
 680             for (LedgerAccount acc : list) {
 681                 storeAccount(db, acc, false);
 682                 for (LedgerAmount amt : acc.getAmounts()) {
 683                     storeAccountValue(db, acc.getName(), amt.getCurrency(), amt.getAmount());
 684                 }
 685             }
 686             deleteNotPresentAccounts(db);
 687             setLastUpdateStamp();
 688             db.setTransactionSuccessful();
 689         }
 690         finally {
 691             db.endTransaction();
 692         }
 693
 694         mergeAccountListFromWeb(list);
 695         updateDisplayedAccounts();
 696     }
 697     public synchronized Locker lockAccountsForWriting() {
 698         accountsLocker.lockForWriting();
 699         return accountsLocker;
 700     }
 701     public void setAndStoreTransactionList(ArrayList<LedgerTransaction> list) {
 702         storeTransactionListAsync(this, list);
 703         SQLiteDatabase db = App.getDatabase();
 704         db.beginTransactionNonExclusive();
 705         try {
 706             markTransactionsAsNotPresent(db);
 707             for (LedgerTransaction tr : list)
 708                 storeTransaction(db, tr);
 709             deleteNotPresentTransactions(db);
 710             setLastUpdateStamp();
 711             db.setTransactionSuccessful();
 712         }
 713         finally {
 714             db.endTransaction();
 715         }
 716
 717         allTransactions.postValue(list);
 718     }
 719     private void storeTransactionListAsync(MobileLedgerProfile mobileLedgerProfile,
 720                                            List<LedgerTransaction> list) {
 721         if (transactionListSaver != null)
 722             transactionListSaver.interrupt();
 723
 724         transactionListSaver = new TransactionListSaver(this, list);
 725         transactionListSaver.start();
 726     }
 727     public void setAndStoreAccountAndTransactionListFromWeb(List<LedgerAccount> accounts,
 728                                                             List<LedgerTransaction> transactions) {
 729         storeAccountAndTransactionListAsync(accounts, transactions, false);
 730
 731         mergeAccountListFromWeb(accounts);
 732         updateDisplayedAccounts();
 733
 734         allTransactions.postValue(transactions);
 735     }
 736     private void storeAccountAndTransactionListAsync(List<LedgerAccount> accounts,
 737                                                      List<LedgerTransaction> transactions,
 738                                                      boolean storeAccUiFields) {
 739         if (accountAndTransactionListSaver != null)
 740             accountAndTransactionListSaver.interrupt();
 741
 742         accountAndTransactionListSaver =
 743                 new AccountAndTransactionListSaver(this, accounts, transactions, storeAccUiFields);
 744         accountAndTransactionListSaver.start();
 745     }
 746     synchronized public void updateDisplayedAccounts() {
 747         if (displayedAccountsUpdater != null) {
 748             displayedAccountsUpdater.interrupt();
 749         }
 750         displayedAccountsUpdater = new AccountListDisplayedFilter(this, allAccounts);
 751         displayedAccountsUpdater.start();
 752     }
 753     public List<LedgerAccount> getAllAccounts() {
 754         return allAccounts;
 755     }
 756     private void updateAccountsMap(List<LedgerAccount> newAccounts) {
 757         accountMap.clear();
 758         for (LedgerAccount acc : newAccounts) {
 759             accountMap.put(acc.getName(), acc);
 760         }
 761     }
 762     @Nullable
 763     public LedgerAccount locateAccount(String name) {
 764         return accountMap.get(name);
 765     }
 766
 767     public enum FutureDates {
 768         None(0), OneWeek(7), TwoWeeks(14), OneMonth(30), TwoMonths(60), ThreeMonths(90),
 769         SixMonths(180), OneYear(365), All(-1);
 770         private static SparseArray<FutureDates> map = new SparseArray<>();
 771
 772         static {
 773             for (FutureDates item : FutureDates.values()) {
 774                 map.put(item.value, item);
 775             }
 776         }
 777
 778         private int value;
 779         FutureDates(int value) {
 780             this.value = value;
 781         }
 782         public static FutureDates valueOf(int i) {
 783             return map.get(i, None);
 784         }
 785         public int toInt() {
 786             return this.value;
 787         }
 788         public String getText(Resources resources) {
 789             switch (value) {
 790                 case 7:
 791                     return resources.getString(R.string.future_dates_7);
 792                 case 14:
 793                     return resources.getString(R.string.future_dates_14);
 794                 case 30:
 795                     return resources.getString(R.string.future_dates_30);
 796                 case 60:
 797                     return resources.getString(R.string.future_dates_60);
 798                 case 90:
 799                     return resources.getString(R.string.future_dates_90);
 800                 case 180:
 801                     return resources.getString(R.string.future_dates_180);
 802                 case 365:
 803                     return resources.getString(R.string.future_dates_365);
 804                 case -1:
 805                     return resources.getString(R.string.future_dates_all);
 806                 default:
 807                     return resources.getString(R.string.future_dates_none);
 808             }
 809         }
 810     }
 811
 812     static class AccountListLoader extends Thread {
 813         MobileLedgerProfile profile;
 814         AccountListLoader(MobileLedgerProfile profile) {
 815             this.profile = profile;
 816         }
 817         @Override
 818         public void run() {
 819             Logger.debug("async-acc", "AccountListLoader::run() entered");
 820             String profileUUID = profile.getUuid();
 821             ArrayList<LedgerAccount> list = new ArrayList<>();
 822             HashMap<String, LedgerAccount> map = new HashMap<>();
 823
 824             String sql = "SELECT a.name, a.expanded, a.amounts_expanded";
 825             sql += " from accounts a WHERE a.profile = ?";
 826             sql += " ORDER BY a.name";
 827
 828             SQLiteDatabase db = App.getDatabase();
 829             Logger.debug("async-acc", "AccountListLoader::run() connected to DB");
 830             try (Cursor cursor = db.rawQuery(sql, new String[]{profileUUID})) {
 831                 Logger.debug("async-acc", "AccountListLoader::run() executed query");
 832                 while (cursor.moveToNext()) {
 833                     if (isInterrupted())
 834                         return;
 835
 836                     final String accName = cursor.getString(0);
 837 //                    debug("accounts",
 838 //                            String.format("Read account '%s' from DB [%s]", accName,
 839 //                            profileUUID));
 840                     String parentName = LedgerAccount.extractParentName(accName);
 841                     LedgerAccount parent;
 842                     if (parentName != null) {
 843                         parent = map.get(parentName);
 844                         if (parent == null)
 845                             throw new IllegalStateException(
 846                                     String.format("Can't load account '%s': parent '%s' not loaded",
 847                                             accName, parentName));
 848                         parent.setHasSubAccounts(true);
 849                     }
 850                     else
 851                         parent = null;
 852
 853                     LedgerAccount acc = new LedgerAccount(profile, accName, parent);
 854                     acc.setExpanded(cursor.getInt(1) == 1);
 855                     acc.setAmountsExpanded(cursor.getInt(2) == 1);
 856                     acc.setHasSubAccounts(false);
 857
 858                     try (Cursor c2 = db.rawQuery(
 859                             "SELECT value, currency FROM account_values WHERE profile = ?" + " " +
 860                             "AND account = ?", new String[]{profileUUID, accName}))
 861                     {
 862                         while (c2.moveToNext()) {
 863                             acc.addAmount(c2.getFloat(0), c2.getString(1));
 864                         }
 865                     }
 866
 867                     list.add(acc);
 868                     map.put(accName, acc);
 869                 }
 870                 Logger.debug("async-acc", "AccountListLoader::run() query execution done");
 871             }
 872
 873             if (isInterrupted())
 874                 return;
 875
 876             Logger.debug("async-acc", "AccountListLoader::run() posting new list");
 877             profile.allAccounts = list;
 878             profile.updateAccountsMap(list);
 879             profile.updateDisplayedAccounts();
 880         }
 881     }
 882
 883     static class AccountListDisplayedFilter extends Thread {
 884         private final MobileLedgerProfile profile;
 885         private final List<LedgerAccount> list;
 886         AccountListDisplayedFilter(MobileLedgerProfile profile, List<LedgerAccount> list) {
 887             this.profile = profile;
 888             this.list = list;
 889         }
 890         @Override
 891         public void run() {
 892             List<LedgerAccount> newDisplayed = new ArrayList<>();
 893             Logger.debug("dFilter", "waiting for synchronized block");
 894             Logger.debug("dFilter", String.format(Locale.US,
 895                     "entered synchronized block (about to examine %d accounts)", list.size()));
 896             for (LedgerAccount a : list) {
 897                 if (isInterrupted()) {
 898                     return;
 899                 }
 900
 901                 if (a.isVisible()) {
 902                     newDisplayed.add(a);
 903                 }
 904             }
 905             if (!isInterrupted()) {
 906                 profile.displayedAccounts.postValue(newDisplayed);
 907             }
 908             Logger.debug("dFilter", "left synchronized block");
 909         }
 910     }
 911
 912     private static class AccountListSaver extends Thread {
 913         private final MobileLedgerProfile profile;
 914         private final List<LedgerAccount> list;
 915         private final boolean storeUiFields;
 916         AccountListSaver(MobileLedgerProfile profile, List<LedgerAccount> list,
 917                          boolean storeUiFields) {
 918             this.list = list;
 919             this.profile = profile;
 920             this.storeUiFields = storeUiFields;
 921         }
 922         @Override
 923         public void run() {
 924             SQLiteDatabase db = App.getDatabase();
 925             db.beginTransactionNonExclusive();
 926             try {
 927                 profile.markAccountsAsNotPresent(db);
 928                 if (isInterrupted())
 929                     return;
 930                 for (LedgerAccount acc : list) {
 931                     profile.storeAccount(db, acc, storeUiFields);
 932                     if (isInterrupted())
 933                         return;
 934                 }
 935                 profile.deleteNotPresentAccounts(db);
 936                 if (isInterrupted())
 937                     return;
 938                 profile.setLastUpdateStamp();
 939                 db.setTransactionSuccessful();
 940             }
 941             finally {
 942                 db.endTransaction();
 943             }
 944         }
 945     }
 946
 947     private static class TransactionListSaver extends Thread {
 948         private final MobileLedgerProfile profile;
 949         private final List<LedgerTransaction> list;
 950         TransactionListSaver(MobileLedgerProfile profile, List<LedgerTransaction> list) {
 951             this.list = list;
 952             this.profile = profile;
 953         }
 954         @Override
 955         public void run() {
 956             SQLiteDatabase db = App.getDatabase();
 957             db.beginTransactionNonExclusive();
 958             try {
 959                 profile.markTransactionsAsNotPresent(db);
 960                 if (isInterrupted())
 961                     return;
 962                 for (LedgerTransaction tr : list) {
 963                     profile.storeTransaction(db, tr);
 964                     if (isInterrupted())
 965                         return;
 966                 }
 967                 profile.deleteNotPresentTransactions(db);
 968                 if (isInterrupted())
 969                     return;
 970                 profile.setLastUpdateStamp();
 971                 db.setTransactionSuccessful();
 972             }
 973             finally {
 974                 db.endTransaction();
 975             }
 976         }
 977     }
 978
 979     private static class AccountAndTransactionListSaver extends Thread {
 980         private final MobileLedgerProfile profile;
 981         private final List<LedgerAccount> accounts;
 982         private final List<LedgerTransaction> transactions;
 983         private final boolean storeAccUiFields;
 984         AccountAndTransactionListSaver(MobileLedgerProfile profile, List<LedgerAccount> accounts,
 985                                        List<LedgerTransaction> transactions,
 986                                        boolean storeAccUiFields) {
 987             this.accounts = accounts;
 988             this.transactions = transactions;
 989             this.profile = profile;
 990             this.storeAccUiFields = storeAccUiFields;
 991         }
 992         @Override
 993         public void run() {
 994             SQLiteDatabase db = App.getDatabase();
 995             db.beginTransactionNonExclusive();
 996             try {
 997                 profile.markAccountsAsNotPresent(db);
 998                 if (isInterrupted())
 999                     return;
1000
1001                 profile.markTransactionsAsNotPresent(db);
1002                 if (isInterrupted()) {
1003                     return;
1004                 }
1005
1006                 for (LedgerAccount acc : accounts) {
1007                     profile.storeAccount(db, acc, storeAccUiFields);
1008                     if (isInterrupted())
1009                         return;
1010                 }
1011
1012                 for (LedgerTransaction tr : transactions) {
1013                     profile.storeTransaction(db, tr);
1014                     if (isInterrupted()) {
1015                         return;
1016                     }
1017                 }
1018
1019                 profile.deleteNotPresentAccounts(db);
1020                 if (isInterrupted()) {
1021                     return;
1022                 }
1023                 profile.deleteNotPresentTransactions(db);
1024                 if (isInterrupted())
1025                     return;
1026
1027                 profile.setLastUpdateStamp();
1028
1029                 db.setTransactionSuccessful();
1030             }
1031             finally {
1032                 db.endTransaction();
1033             }
1034         }
1035     }
1036 }