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.text.TextUtils;
  24 import android.util.SparseArray;
  25
  26 import androidx.annotation.Nullable;
  27
  28 import net.ktnx.mobileledger.App;
  29 import net.ktnx.mobileledger.R;
  30 import net.ktnx.mobileledger.async.DbOpQueue;
  31 import net.ktnx.mobileledger.json.API;
  32 import net.ktnx.mobileledger.utils.Logger;
  33 import net.ktnx.mobileledger.utils.Misc;
  34 import net.ktnx.mobileledger.utils.SimpleDate;
  35
  36 import org.jetbrains.annotations.Contract;
  37
  38 import java.util.ArrayList;
  39 import java.util.HashMap;
  40 import java.util.List;
  41 import java.util.Locale;
  42 import java.util.Map;
  43 import java.util.Objects;
  44
  45 import static net.ktnx.mobileledger.utils.Logger.debug;
  46
  47 public final class MobileLedgerProfile {
  48     // N.B. when adding new fields, update the copy-constructor below
  49     private final String uuid;
  50     private String name;
  51     private boolean permitPosting;
  52     private boolean showCommentsByDefault;
  53     private boolean showCommodityByDefault;
  54     private String defaultCommodity;
  55     private String preferredAccountsFilter;
  56     private String url;
  57     private boolean authEnabled;
  58     private String authUserName;
  59     private String authPassword;
  60     private int themeHue;
  61     private int orderNo = -1;
  62     private API apiVersion = API.auto;
  63     private FutureDates futureDates = FutureDates.None;
  64     private boolean accountsLoaded;
  65     private boolean transactionsLoaded;
  66     private HledgerVersion detectedVersion;
  67     // N.B. when adding new fields, update the copy-constructor below
  68     transient private AccountAndTransactionListSaver accountAndTransactionListSaver;
  69     public MobileLedgerProfile(String uuid) {
  70         this.uuid = uuid;
  71     }
  72     public MobileLedgerProfile(MobileLedgerProfile origin) {
  73         uuid = origin.uuid;
  74         name = origin.name;
  75         permitPosting = origin.permitPosting;
  76         showCommentsByDefault = origin.showCommentsByDefault;
  77         showCommodityByDefault = origin.showCommodityByDefault;
  78         preferredAccountsFilter = origin.preferredAccountsFilter;
  79         url = origin.url;
  80         authEnabled = origin.authEnabled;
  81         authUserName = origin.authUserName;
  82         authPassword = origin.authPassword;
  83         themeHue = origin.themeHue;
  84         orderNo = origin.orderNo;
  85         futureDates = origin.futureDates;
  86         apiVersion = origin.apiVersion;
  87         defaultCommodity = origin.defaultCommodity;
  88         accountsLoaded = origin.accountsLoaded;
  89         transactionsLoaded = origin.transactionsLoaded;
  90         if (origin.detectedVersion != null)
  91             detectedVersion = new HledgerVersion(origin.detectedVersion);
  92     }
  93     // loads all profiles into Data.profiles
  94     // returns the profile with the given UUID
  95     public static MobileLedgerProfile loadAllFromDB(@Nullable String currentProfileUUID) {
  96         MobileLedgerProfile result = null;
  97         ArrayList<MobileLedgerProfile> list = new ArrayList<>();
  98         SQLiteDatabase db = App.getDatabase();
  99         try (Cursor cursor = db.rawQuery("SELECT uuid, name, url, use_authentication, auth_user, " +
 100                                          "auth_password, permit_posting, theme, order_no, " +
 101                                          "preferred_accounts_filter, future_dates, api_version, " +
 102                                          "show_commodity_by_default, default_commodity, " +
 103                                          "show_comments_by_default, detected_version_pre_1_19, " +
 104                                          "detected_version_major, detected_version_minor FROM " +
 105                                          "profiles order by order_no", null))
 106         {
 107             while (cursor.moveToNext()) {
 108                 MobileLedgerProfile item = new MobileLedgerProfile(cursor.getString(0));
 109                 item.setName(cursor.getString(1));
 110                 item.setUrl(cursor.getString(2));
 111                 item.setAuthEnabled(cursor.getInt(3) == 1);
 112                 item.setAuthUserName(cursor.getString(4));
 113                 item.setAuthPassword(cursor.getString(5));
 114                 item.setPostingPermitted(cursor.getInt(6) == 1);
 115                 item.setThemeId(cursor.getInt(7));
 116                 item.orderNo = cursor.getInt(8);
 117                 item.setPreferredAccountsFilter(cursor.getString(9));
 118                 item.setFutureDates(cursor.getInt(10));
 119                 item.setApiVersion(cursor.getInt(11));
 120                 item.setShowCommodityByDefault(cursor.getInt(12) == 1);
 121                 item.setDefaultCommodity(cursor.getString(13));
 122                 item.setShowCommentsByDefault(cursor.getInt(14) == 1);
 123                 {
 124                     boolean pre_1_20 = cursor.getInt(15) == 1;
 125                     int major = cursor.getInt(16);
 126                     int minor = cursor.getInt(17);
 127
 128                     if (!pre_1_20 && major == 0 && minor == 0) {
 129                         item.detectedVersion = null;
 130                     }
 131                     else if (pre_1_20) {
 132                         item.detectedVersion = new HledgerVersion(true);
 133                     }
 134                     else {
 135                         item.detectedVersion = new HledgerVersion(major, minor);
 136                     }
 137                 }
 138                 list.add(item);
 139                 if (item.getUuid()
 140                         .equals(currentProfileUUID))
 141                     result = item;
 142             }
 143         }
 144         Data.profiles.postValue(list);
 145         return result;
 146     }
 147     public static void storeProfilesOrder() {
 148         SQLiteDatabase db = App.getDatabase();
 149         db.beginTransactionNonExclusive();
 150         try {
 151             int orderNo = 0;
 152             for (MobileLedgerProfile p : Objects.requireNonNull(Data.profiles.getValue())) {
 153                 db.execSQL("update profiles set order_no=? where uuid=?",
 154                         new Object[]{orderNo, p.getUuid()});
 155                 p.orderNo = orderNo;
 156                 orderNo++;
 157             }
 158             db.setTransactionSuccessful();
 159         }
 160         finally {
 161             db.endTransaction();
 162         }
 163     }
 164     public HledgerVersion getDetectedVersion() {
 165         return detectedVersion;
 166     }
 167     public void setDetectedVersion(HledgerVersion detectedVersion) {
 168         this.detectedVersion = detectedVersion;
 169     }
 170     @Contract(value = "null -> false", pure = true)
 171     @Override
 172     public boolean equals(@Nullable Object obj) {
 173         if (obj == null)
 174             return false;
 175         if (obj == this)
 176             return true;
 177         if (obj.getClass() != this.getClass())
 178             return false;
 179
 180         MobileLedgerProfile p = (MobileLedgerProfile) obj;
 181         if (!uuid.equals(p.uuid))
 182             return false;
 183         if (!name.equals(p.name))
 184             return false;
 185         if (permitPosting != p.permitPosting)
 186             return false;
 187         if (showCommentsByDefault != p.showCommentsByDefault)
 188             return false;
 189         if (showCommodityByDefault != p.showCommodityByDefault)
 190             return false;
 191         if (!Objects.equals(defaultCommodity, p.defaultCommodity))
 192             return false;
 193         if (!Objects.equals(preferredAccountsFilter, p.preferredAccountsFilter))
 194             return false;
 195         if (!Objects.equals(url, p.url))
 196             return false;
 197         if (authEnabled != p.authEnabled)
 198             return false;
 199         if (!Objects.equals(authUserName, p.authUserName))
 200             return false;
 201         if (!Objects.equals(authPassword, p.authPassword))
 202             return false;
 203         if (themeHue != p.themeHue)
 204             return false;
 205         if (apiVersion != p.apiVersion)
 206             return false;
 207         if (!Objects.equals(detectedVersion, p.detectedVersion))
 208             return false;
 209         return futureDates == p.futureDates;
 210     }
 211     public boolean getShowCommentsByDefault() {
 212         return showCommentsByDefault;
 213     }
 214     public void setShowCommentsByDefault(boolean newValue) {
 215         this.showCommentsByDefault = newValue;
 216     }
 217     public boolean getShowCommodityByDefault() {
 218         return showCommodityByDefault;
 219     }
 220     public void setShowCommodityByDefault(boolean showCommodityByDefault) {
 221         this.showCommodityByDefault = showCommodityByDefault;
 222     }
 223     public String getDefaultCommodity() {
 224         return defaultCommodity;
 225     }
 226     public void setDefaultCommodity(String defaultCommodity) {
 227         this.defaultCommodity = defaultCommodity;
 228     }
 229     public void setDefaultCommodity(CharSequence defaultCommodity) {
 230         if (defaultCommodity == null)
 231             this.defaultCommodity = null;
 232         else
 233             this.defaultCommodity = String.valueOf(defaultCommodity);
 234     }
 235     public API getApiVersion() {
 236         return apiVersion;
 237     }
 238     public void setApiVersion(API apiVersion) {
 239         this.apiVersion = apiVersion;
 240     }
 241     public void setApiVersion(int apiVersion) {
 242         this.apiVersion = API.valueOf(apiVersion);
 243     }
 244     public FutureDates getFutureDates() {
 245         return futureDates;
 246     }
 247     public void setFutureDates(int anInt) {
 248         futureDates = FutureDates.valueOf(anInt);
 249     }
 250     public void setFutureDates(FutureDates futureDates) {
 251         this.futureDates = futureDates;
 252     }
 253     public String getPreferredAccountsFilter() {
 254         return preferredAccountsFilter;
 255     }
 256     public void setPreferredAccountsFilter(String preferredAccountsFilter) {
 257         this.preferredAccountsFilter = preferredAccountsFilter;
 258     }
 259     public void setPreferredAccountsFilter(CharSequence preferredAccountsFilter) {
 260         setPreferredAccountsFilter(String.valueOf(preferredAccountsFilter));
 261     }
 262     public boolean isPostingPermitted() {
 263         return permitPosting;
 264     }
 265     public void setPostingPermitted(boolean permitPosting) {
 266         this.permitPosting = permitPosting;
 267     }
 268     public String getUuid() {
 269         return uuid;
 270     }
 271     public String getName() {
 272         return name;
 273     }
 274     public void setName(CharSequence text) {
 275         setName(String.valueOf(text));
 276     }
 277     public void setName(String name) {
 278         this.name = name;
 279     }
 280     public String getUrl() {
 281         return url;
 282     }
 283     public void setUrl(CharSequence text) {
 284         setUrl(String.valueOf(text));
 285     }
 286     public void setUrl(String url) {
 287         this.url = url;
 288     }
 289     public boolean isAuthEnabled() {
 290         return authEnabled;
 291     }
 292     public void setAuthEnabled(boolean authEnabled) {
 293         this.authEnabled = authEnabled;
 294     }
 295     public String getAuthUserName() {
 296         return authUserName;
 297     }
 298     public void setAuthUserName(CharSequence text) {
 299         setAuthUserName(String.valueOf(text));
 300     }
 301     public void setAuthUserName(String authUserName) {
 302         this.authUserName = authUserName;
 303     }
 304     public String getAuthPassword() {
 305         return authPassword;
 306     }
 307     public void setAuthPassword(CharSequence text) {
 308         setAuthPassword(String.valueOf(text));
 309     }
 310     public void setAuthPassword(String authPassword) {
 311         this.authPassword = authPassword;
 312     }
 313     public void storeInDB() {
 314         SQLiteDatabase db = App.getDatabase();
 315         db.beginTransactionNonExclusive();
 316         try {
 317 //            debug("profiles", String.format("Storing profile in DB: uuid=%s, name=%s, " +
 318 //                                            "url=%s, permit_posting=%s, authEnabled=%s, " +
 319 //                                            "themeHue=%d", uuid, name, url,
 320 //                    permitPosting ? "TRUE" : "FALSE", authEnabled ? "TRUE" : "FALSE", themeHue));
 321             db.execSQL("REPLACE INTO profiles(uuid, name, permit_posting, url, " +
 322                        "use_authentication, auth_user, auth_password, theme, order_no, " +
 323                        "preferred_accounts_filter, future_dates, api_version, " +
 324                        "show_commodity_by_default, default_commodity, show_comments_by_default," +
 325                        "detected_version_pre_1_19, detected_version_major, " +
 326                        "detected_version_minor) " +
 327                        "VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
 328                     new Object[]{uuid, name, permitPosting, url, authEnabled,
 329                                  authEnabled ? authUserName : null,
 330                                  authEnabled ? authPassword : null, themeHue, orderNo,
 331                                  preferredAccountsFilter, futureDates.toInt(), apiVersion.toInt(),
 332                                  showCommodityByDefault, defaultCommodity, showCommentsByDefault,
 333                                  (detectedVersion != null) && detectedVersion.isPre_1_20_1(),
 334                                  (detectedVersion == null) ? 0 : detectedVersion.getMajor(),
 335                                  (detectedVersion == null) ? 0 : detectedVersion.getMinor()
 336                     });
 337             db.setTransactionSuccessful();
 338         }
 339         finally {
 340             db.endTransaction();
 341         }
 342     }
 343     public void storeAccount(SQLiteDatabase db, int generation, LedgerAccount acc,
 344                              boolean storeUiFields) {
 345         // replace into is a bad idea because it would reset hidden to its default value
 346         // we like the default, but for new accounts only
 347         String sql = "update accounts set generation = ?";
 348         List<Object> params = new ArrayList<>();
 349         params.add(generation);
 350         if (storeUiFields) {
 351             sql += ", expanded=?";
 352             params.add(acc.isExpanded() ? 1 : 0);
 353         }
 354         sql += " where profile=? and name=?";
 355         params.add(uuid);
 356         params.add(acc.getName());
 357         db.execSQL(sql, params.toArray());
 358
 359         db.execSQL("insert into accounts(profile, name, name_upper, parent_name, level, " +
 360                    "expanded, generation) select ?,?,?,?,?,0,? where (select changes() = 0)",
 361                 new Object[]{uuid, acc.getName(), acc.getName().toUpperCase(), acc.getParentName(),
 362                              acc.getLevel(), generation
 363                 });
 364 //        debug("accounts", String.format("Stored account '%s' in DB [%s]", acc.getName(), uuid));
 365     }
 366     public void storeAccountValue(SQLiteDatabase db, int generation, String name, String currency,
 367                                   Float amount) {
 368         if (!TextUtils.isEmpty(currency)) {
 369             boolean exists;
 370             try (Cursor c = db.rawQuery("select 1 from currencies where name=?",
 371                     new String[]{currency}))
 372             {
 373                 exists = c.moveToFirst();
 374             }
 375             if (!exists) {
 376                 db.execSQL(
 377                         "insert into currencies(id, name, position, has_gap) values((select max" +
 378                         "(id) from currencies)+1, ?, ?, ?)", new Object[]{currency,
 379                                                                           Objects.requireNonNull(
 380                                                                                   Data.currencySymbolPosition.getValue()).toString(),
 381                                                                           Data.currencyGap.getValue()
 382                         });
 383             }
 384         }
 385
 386         db.execSQL("replace into account_values(profile, account, " +
 387                    "currency, value, generation) values(?, ?, ?, ?, ?);",
 388                 new Object[]{uuid, name, Misc.emptyIsNull(currency), amount, generation});
 389     }
 390     public void storeTransaction(SQLiteDatabase db, int generation, LedgerTransaction tr) {
 391         tr.fillDataHash();
 392 //        Logger.debug("storeTransaction", String.format(Locale.US, "ID %d", tr.getId()));
 393         SimpleDate d = tr.getDate();
 394         db.execSQL("UPDATE transactions SET year=?, month=?, day=?, description=?, comment=?, " +
 395                    "data_hash=?, generation=? WHERE profile=? AND id=?",
 396                 new Object[]{d.year, d.month, d.day, tr.getDescription(), tr.getComment(),
 397                              tr.getDataHash(), generation, uuid, tr.getId()
 398                 });
 399         db.execSQL("INSERT INTO transactions(profile, id, year, month, day, description, " +
 400                    "comment, data_hash, generation) " +
 401                    "select ?,?,?,?,?,?,?,?,? WHERE (select changes() = 0)",
 402                 new Object[]{uuid, tr.getId(), tr.getDate().year, tr.getDate().month,
 403                              tr.getDate().day, tr.getDescription(), tr.getComment(),
 404                              tr.getDataHash(), generation
 405                 });
 406
 407         int accountOrderNo = 1;
 408         for (LedgerTransactionAccount item : tr.getAccounts()) {
 409             db.execSQL("UPDATE transaction_accounts SET account_name=?, amount=?, currency=?, " +
 410                        "comment=?, generation=? " +
 411                        "WHERE profile=? AND transaction_id=? AND order_no=?",
 412                     new Object[]{item.getAccountName(), item.getAmount(),
 413                                  Misc.nullIsEmpty(item.getCurrency()), item.getComment(),
 414                                  generation, uuid, tr.getId(), accountOrderNo
 415                     });
 416             db.execSQL("INSERT INTO transaction_accounts(profile, transaction_id, " +
 417                        "order_no, account_name, amount, currency, comment, generation) " +
 418                        "select ?, ?, ?, ?, ?, ?, ?, ? WHERE (select changes() = 0)",
 419                     new Object[]{uuid, tr.getId(), accountOrderNo, item.getAccountName(),
 420                                  item.getAmount(), Misc.nullIsEmpty(item.getCurrency()),
 421                                  item.getComment(), generation
 422                     });
 423
 424             accountOrderNo++;
 425         }
 426 //        debug("profile", String.format("Transaction %d stored", tr.getId()));
 427     }
 428     public String getOption(String name, String default_value) {
 429         SQLiteDatabase db = App.getDatabase();
 430         try (Cursor cursor = db.rawQuery("select value from options where profile = ? and name=?",
 431                 new String[]{uuid, name}))
 432         {
 433             if (cursor.moveToFirst()) {
 434                 String result = cursor.getString(0);
 435
 436                 if (result == null) {
 437                     debug("profile", "returning default value for " + name);
 438                     result = default_value;
 439                 }
 440                 else
 441                     debug("profile", String.format("option %s=%s", name, result));
 442
 443                 return result;
 444             }
 445             else
 446                 return default_value;
 447         }
 448         catch (Exception e) {
 449             debug("db", "returning default value for " + name, e);
 450             return default_value;
 451         }
 452     }
 453     public long getLongOption(String name, long default_value) {
 454         long longResult;
 455         String result = getOption(name, "");
 456         if ((result == null) || result.isEmpty()) {
 457             debug("profile", String.format("Returning default value for option %s", name));
 458             longResult = default_value;
 459         }
 460         else {
 461             try {
 462                 longResult = Long.parseLong(result);
 463                 debug("profile", String.format("option %s=%s", name, result));
 464             }
 465             catch (Exception e) {
 466                 debug("profile", String.format("Returning default value for option %s", name), e);
 467                 longResult = default_value;
 468             }
 469         }
 470
 471         return longResult;
 472     }
 473     public void setOption(String name, String value) {
 474         debug("profile", String.format("setting option %s=%s", name, value));
 475         DbOpQueue.add("insert or replace into options(profile, name, value) values(?, ?, ?);",
 476                 new String[]{uuid, name, value});
 477     }
 478     public void setLongOption(String name, long value) {
 479         setOption(name, String.valueOf(value));
 480     }
 481     public void removeFromDB() {
 482         SQLiteDatabase db = App.getDatabase();
 483         debug("db", String.format("removing profile %s from DB", uuid));
 484         db.beginTransactionNonExclusive();
 485         try {
 486             Object[] uuid_param = new Object[]{uuid};
 487             db.execSQL("delete from transaction_accounts where profile=?", uuid_param);
 488             db.execSQL("delete from transactions where profile=?", uuid_param);
 489             db.execSQL("delete from account_values where profile=?", uuid_param);
 490             db.execSQL("delete from accounts where profile=?", uuid_param);
 491             db.execSQL("delete from options where profile=?", uuid_param);
 492             db.execSQL("delete from profiles where uuid=?", uuid_param);
 493             db.setTransactionSuccessful();
 494         }
 495         finally {
 496             db.endTransaction();
 497         }
 498     }
 499     public LedgerTransaction loadTransaction(int transactionId) {
 500         LedgerTransaction tr = new LedgerTransaction(transactionId, this.uuid);
 501         tr.loadData(App.getDatabase());
 502
 503         return tr;
 504     }
 505     public int getThemeHue() {
 506 //        debug("profile", String.format("Profile.getThemeHue() returning %d", themeHue));
 507         return this.themeHue;
 508     }
 509     public void setThemeHue(Object o) {
 510         setThemeId(Integer.parseInt(String.valueOf(o)));
 511     }
 512     public void setThemeId(int themeHue) {
 513 //        debug("profile", String.format("Profile.setThemeHue(%d) called", themeHue));
 514         this.themeHue = themeHue;
 515     }
 516     public int getNextTransactionsGeneration(SQLiteDatabase db) {
 517         int generation = 1;
 518         try (Cursor c = db.rawQuery("SELECT generation FROM transactions WHERE profile=? LIMIT 1",
 519                 new String[]{uuid}))
 520         {
 521             if (c.moveToFirst()) {
 522                 generation = c.getInt(0) + 1;
 523             }
 524         }
 525         return generation;
 526     }
 527     private int getNextAccountsGeneration(SQLiteDatabase db) {
 528         int generation = 1;
 529         try (Cursor c = db.rawQuery("SELECT generation FROM accounts WHERE profile=? LIMIT 1",
 530                 new String[]{uuid}))
 531         {
 532             if (c.moveToFirst()) {
 533                 generation = c.getInt(0) + 1;
 534             }
 535         }
 536         return generation;
 537     }
 538     private void deleteNotPresentAccounts(SQLiteDatabase db, int generation) {
 539         Logger.debug("db/benchmark", "Deleting obsolete accounts");
 540         db.execSQL("DELETE FROM account_values WHERE profile=? AND generation <> ?",
 541                 new Object[]{uuid, generation});
 542         db.execSQL("DELETE FROM accounts WHERE profile=? AND generation <> ?",
 543                 new Object[]{uuid, generation});
 544         Logger.debug("db/benchmark", "Done deleting obsolete accounts");
 545     }
 546     private void deleteNotPresentTransactions(SQLiteDatabase db, int generation) {
 547         Logger.debug("db/benchmark", "Deleting obsolete transactions");
 548         db.execSQL("DELETE FROM transaction_accounts WHERE profile=? AND generation <> ?",
 549                 new Object[]{uuid, generation});
 550         db.execSQL("DELETE FROM transactions WHERE profile=? AND generation <> ?",
 551                 new Object[]{uuid, generation});
 552         Logger.debug("db/benchmark", "Done deleting obsolete transactions");
 553     }
 554     public void wipeAllData() {
 555         SQLiteDatabase db = App.getDatabase();
 556         db.beginTransaction();
 557         try {
 558             String[] pUuid = new String[]{uuid};
 559             db.execSQL("delete from options where profile=?", pUuid);
 560             db.execSQL("delete from accounts where profile=?", pUuid);
 561             db.execSQL("delete from account_values where profile=?", pUuid);
 562             db.execSQL("delete from transactions where profile=?", pUuid);
 563             db.execSQL("delete from transaction_accounts where profile=?", pUuid);
 564             db.setTransactionSuccessful();
 565             debug("wipe", String.format(Locale.ENGLISH, "Profile %s wiped out", pUuid[0]));
 566         }
 567         finally {
 568             db.endTransaction();
 569         }
 570     }
 571     public List<Currency> getCurrencies() {
 572         SQLiteDatabase db = App.getDatabase();
 573
 574         ArrayList<Currency> result = new ArrayList<>();
 575
 576         try (Cursor c = db.rawQuery("SELECT c.id, c.name, c.position, c.has_gap FROM currencies c",
 577                 new String[]{}))
 578         {
 579             while (c.moveToNext()) {
 580                 Currency currency = new Currency(c.getInt(0), c.getString(1),
 581                         Currency.Position.valueOf(c.getString(2)), c.getInt(3) == 1);
 582                 result.add(currency);
 583             }
 584         }
 585
 586         return result;
 587     }
 588     Currency loadCurrencyByName(String name) {
 589         SQLiteDatabase db = App.getDatabase();
 590         Currency result = tryLoadCurrencyByName(db, name);
 591         if (result == null)
 592             throw new RuntimeException(String.format("Unable to load currency '%s'", name));
 593         return result;
 594     }
 595     private Currency tryLoadCurrencyByName(SQLiteDatabase db, String name) {
 596         try (Cursor cursor = db.rawQuery(
 597                 "SELECT c.id, c.name, c.position, c.has_gap FROM currencies c WHERE c.name=?",
 598                 new String[]{name}))
 599         {
 600             if (cursor.moveToFirst()) {
 601                 return new Currency(cursor.getInt(0), cursor.getString(1),
 602                         Currency.Position.valueOf(cursor.getString(2)), cursor.getInt(3) == 1);
 603             }
 604             return null;
 605         }
 606     }
 607     public void storeAccountAndTransactionListAsync(List<LedgerAccount> accounts,
 608                                                     List<LedgerTransaction> transactions) {
 609         if (accountAndTransactionListSaver != null)
 610             accountAndTransactionListSaver.interrupt();
 611
 612         accountAndTransactionListSaver =
 613                 new AccountAndTransactionListSaver(this, accounts, transactions);
 614         accountAndTransactionListSaver.start();
 615     }
 616
 617     public enum FutureDates {
 618         None(0), OneWeek(7), TwoWeeks(14), OneMonth(30), TwoMonths(60), ThreeMonths(90),
 619         SixMonths(180), OneYear(365), All(-1);
 620         private static final SparseArray<FutureDates> map = new SparseArray<>();
 621
 622         static {
 623             for (FutureDates item : FutureDates.values()) {
 624                 map.put(item.value, item);
 625             }
 626         }
 627
 628         private final int value;
 629         FutureDates(int value) {
 630             this.value = value;
 631         }
 632         public static FutureDates valueOf(int i) {
 633             return map.get(i, None);
 634         }
 635         public int toInt() {
 636             return this.value;
 637         }
 638         public String getText(Resources resources) {
 639             switch (value) {
 640                 case 7:
 641                     return resources.getString(R.string.future_dates_7);
 642                 case 14:
 643                     return resources.getString(R.string.future_dates_14);
 644                 case 30:
 645                     return resources.getString(R.string.future_dates_30);
 646                 case 60:
 647                     return resources.getString(R.string.future_dates_60);
 648                 case 90:
 649                     return resources.getString(R.string.future_dates_90);
 650                 case 180:
 651                     return resources.getString(R.string.future_dates_180);
 652                 case 365:
 653                     return resources.getString(R.string.future_dates_365);
 654                 case -1:
 655                     return resources.getString(R.string.future_dates_all);
 656                 default:
 657                     return resources.getString(R.string.future_dates_none);
 658             }
 659         }
 660     }
 661
 662     private static class AccountAndTransactionListSaver extends Thread {
 663         private final MobileLedgerProfile profile;
 664         private final List<LedgerAccount> accounts;
 665         private final List<LedgerTransaction> transactions;
 666         AccountAndTransactionListSaver(MobileLedgerProfile profile, List<LedgerAccount> accounts,
 667                                        List<LedgerTransaction> transactions) {
 668             this.accounts = accounts;
 669             this.transactions = transactions;
 670             this.profile = profile;
 671         }
 672         public int getNextDescriptionsGeneration(SQLiteDatabase db) {
 673             int generation = 1;
 674             try (Cursor c = db.rawQuery("SELECT generation FROM description_history LIMIT 1",
 675                     null))
 676             {
 677                 if (c.moveToFirst()) {
 678                     generation = c.getInt(0) + 1;
 679                 }
 680             }
 681             return generation;
 682         }
 683         void deleteNotPresentDescriptions(SQLiteDatabase db, int generation) {
 684             Logger.debug("db/benchmark", "Deleting obsolete descriptions");
 685             db.execSQL("DELETE FROM description_history WHERE generation <> ?",
 686                     new Object[]{generation});
 687             db.execSQL("DELETE FROM description_history WHERE generation <> ?",
 688                     new Object[]{generation});
 689             Logger.debug("db/benchmark", "Done deleting obsolete descriptions");
 690         }
 691         @Override
 692         public void run() {
 693             SQLiteDatabase db = App.getDatabase();
 694             db.beginTransactionNonExclusive();
 695             try {
 696                 int accountsGeneration = profile.getNextAccountsGeneration(db);
 697                 if (isInterrupted())
 698                     return;
 699
 700                 int transactionsGeneration = profile.getNextTransactionsGeneration(db);
 701                 if (isInterrupted())
 702                     return;
 703
 704                 for (LedgerAccount acc : accounts) {
 705                     profile.storeAccount(db, accountsGeneration, acc, false);
 706                     if (isInterrupted())
 707                         return;
 708                     for (LedgerAmount amt : acc.getAmounts()) {
 709                         profile.storeAccountValue(db, accountsGeneration, acc.getName(),
 710                                 amt.getCurrency(), amt.getAmount());
 711                         if (isInterrupted())
 712                             return;
 713                     }
 714                 }
 715
 716                 for (LedgerTransaction tr : transactions) {
 717                     profile.storeTransaction(db, transactionsGeneration, tr);
 718                     if (isInterrupted())
 719                         return;
 720                 }
 721
 722                 profile.deleteNotPresentTransactions(db, transactionsGeneration);
 723                 if (isInterrupted()) {
 724                     return;
 725                 }
 726                 profile.deleteNotPresentAccounts(db, accountsGeneration);
 727                 if (isInterrupted())
 728                     return;
 729
 730                 Map<String, Boolean> unique = new HashMap<>();
 731
 732                 debug("descriptions", "Starting refresh");
 733                 int descriptionsGeneration = getNextDescriptionsGeneration(db);
 734                 try (Cursor c = db.rawQuery("SELECT distinct description from transactions",
 735                         null))
 736                 {
 737                     while (c.moveToNext()) {
 738                         String description = c.getString(0);
 739                         String descriptionUpper = description.toUpperCase();
 740                         if (unique.containsKey(descriptionUpper))
 741                             continue;
 742
 743                         storeDescription(db, descriptionsGeneration, description, descriptionUpper);
 744
 745                         unique.put(descriptionUpper, true);
 746                     }
 747                 }
 748                 deleteNotPresentDescriptions(db, descriptionsGeneration);
 749
 750                 db.setTransactionSuccessful();
 751             }
 752             finally {
 753                 db.endTransaction();
 754             }
 755         }
 756         private void storeDescription(SQLiteDatabase db, int generation, String description,
 757                                       String descriptionUpper) {
 758             db.execSQL("UPDATE description_history SET description=?, generation=? WHERE " +
 759                        "description_upper=?", new Object[]{description, generation, descriptionUpper
 760             });
 761             db.execSQL(
 762                     "INSERT INTO description_history(description, description_upper, generation) " +
 763                     "select ?,?,? WHERE (select changes() = 0)",
 764                     new Object[]{description, descriptionUpper, generation
 765                     });
 766         }
 767     }
 768 }