]> git.ktnx.net Git - mobile-ledger.git/blobdiff - app/src/main/java/net/ktnx/mobileledger/model/MobileLedgerProfile.java
rework transaction date handling
[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / model / MobileLedgerProfile.java
index 1971ca2661bb6d953e4eea8b9bc4e3b8cf0558d9..925e05eb3fd95ef3ddd64efd83c3b654ead3c0b7 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2019 Damyan Ivanov.
+ * Copyright © 2020 Damyan Ivanov.
  * This file is part of MoLe.
  * MoLe is free software: you can distribute it and/or modify it
  * under the term of the GNU General Public License as published by
 
 package net.ktnx.mobileledger.model;
 
+import android.content.res.Resources;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
-import android.util.Log;
+import android.util.SparseArray;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import net.ktnx.mobileledger.App;
+import net.ktnx.mobileledger.R;
+import net.ktnx.mobileledger.async.DbOpQueue;
+import net.ktnx.mobileledger.async.SendTransactionTask;
 import net.ktnx.mobileledger.utils.Globals;
+import net.ktnx.mobileledger.utils.Logger;
 import net.ktnx.mobileledger.utils.MLDB;
+import net.ktnx.mobileledger.utils.Misc;
 
 import java.util.ArrayList;
 import java.util.Date;
 import java.util.List;
+import java.util.Locale;
 import java.util.UUID;
 
-import androidx.annotation.NonNull;
-import androidx.annotation.Nullable;
+import static net.ktnx.mobileledger.utils.Logger.debug;
 
 public final class MobileLedgerProfile {
+    // N.B. when adding new fields, update the copy-constructor below
     private String uuid;
     private String name;
     private boolean permitPosting;
+    private boolean showCommentsByDefault;
+    private boolean showCommodityByDefault;
+    private String defaultCommodity;
+    private String preferredAccountsFilter;
     private String url;
     private boolean authEnabled;
     private String authUserName;
     private String authPassword;
-    private int themeId;
+    private int themeHue;
     private int orderNo = -1;
-    public MobileLedgerProfile(String uuid, String name, boolean permitPosting, String url,
-                               boolean authEnabled, String authUserName, String authPassword) {
-        this(uuid, name, permitPosting, url, authEnabled, authUserName, authPassword, -1);
-
+    // N.B. when adding new fields, update the copy-constructor below
+    private FutureDates futureDates = FutureDates.None;
+    private SendTransactionTask.API apiVersion = SendTransactionTask.API.auto;
+    public MobileLedgerProfile() {
+        this.uuid = String.valueOf(UUID.randomUUID());
     }
-    public MobileLedgerProfile(String uuid, String name, boolean permitPosting, String url,
-                               boolean authEnabled, String authUserName, String authPassword,
-                               int themeId) {
+    public MobileLedgerProfile(String uuid) {
         this.uuid = uuid;
-        this.name = name;
-        this.permitPosting = permitPosting;
-        this.url = url;
-        this.authEnabled = authEnabled;
-        this.authUserName = authUserName;
-        this.authPassword = authPassword;
-        this.themeId = themeId;
-        this.orderNo = -1;
     }
-    public MobileLedgerProfile(CharSequence name, boolean permitPosting, CharSequence url,
-                               boolean authEnabled, CharSequence authUserName,
-                               CharSequence authPassword, int themeId) {
-        this.uuid = String.valueOf(UUID.randomUUID());
-        this.name = String.valueOf(name);
-        this.permitPosting = permitPosting;
-        this.url = String.valueOf(url);
-        this.authEnabled = authEnabled;
-        this.authUserName = String.valueOf(authUserName);
-        this.authPassword = String.valueOf(authPassword);
-        this.themeId = themeId;
-        this.orderNo = -1;
+    public MobileLedgerProfile(MobileLedgerProfile origin) {
+        uuid = origin.uuid;
+        name = origin.name;
+        permitPosting = origin.permitPosting;
+        showCommentsByDefault = origin.showCommentsByDefault;
+        showCommodityByDefault = origin.showCommodityByDefault;
+        preferredAccountsFilter = origin.preferredAccountsFilter;
+        url = origin.url;
+        authEnabled = origin.authEnabled;
+        authUserName = origin.authUserName;
+        authPassword = origin.authPassword;
+        themeHue = origin.themeHue;
+        orderNo = origin.orderNo;
+        futureDates = origin.futureDates;
+        apiVersion = origin.apiVersion;
+        defaultCommodity = origin.defaultCommodity;
     }
     // loads all profiles into Data.profiles
     // returns the profile with the given UUID
     public static MobileLedgerProfile loadAllFromDB(String currentProfileUUID) {
         MobileLedgerProfile result = null;
-        List<MobileLedgerProfile> list = new ArrayList<>();
-        SQLiteDatabase db = MLDB.getDatabase();
+        ArrayList<MobileLedgerProfile> list = new ArrayList<>();
+        SQLiteDatabase db = App.getDatabase();
         try (Cursor cursor = db.rawQuery("SELECT uuid, name, url, use_authentication, auth_user, " +
-                                         "auth_password, permit_posting, theme, order_no FROM " +
+                                         "auth_password, permit_posting, theme, order_no, " +
+                                         "preferred_accounts_filter, future_dates, api_version, " +
+                                         "show_commodity_by_default, default_commodity, " +
+                                         "show_comments_by_default FROM " +
                                          "profiles order by order_no", null))
         {
             while (cursor.moveToNext()) {
-                MobileLedgerProfile item =
-                        new MobileLedgerProfile(cursor.getString(0), cursor.getString(1),
-                                cursor.getInt(6) == 1, cursor.getString(2), cursor.getInt(3) == 1,
-                                cursor.getString(4), cursor.getString(5), cursor.getInt(7));
+                MobileLedgerProfile item = new MobileLedgerProfile(cursor.getString(0));
+                item.setName(cursor.getString(1));
+                item.setUrl(cursor.getString(2));
+                item.setAuthEnabled(cursor.getInt(3) == 1);
+                item.setAuthUserName(cursor.getString(4));
+                item.setAuthPassword(cursor.getString(5));
+                item.setPostingPermitted(cursor.getInt(6) == 1);
+                item.setThemeId(cursor.getInt(7));
                 item.orderNo = cursor.getInt(8);
+                item.setPreferredAccountsFilter(cursor.getString(9));
+                item.setFutureDates(cursor.getInt(10));
+                item.setApiVersion(cursor.getInt(11));
+                item.setShowCommodityByDefault(cursor.getInt(12) == 1);
+                item.setDefaultCommodity(cursor.getString(13));
+                item.setShowCommentsByDefault(cursor.getInt(14) == 1);
                 list.add(item);
-                if (item.getUuid().equals(currentProfileUUID)) result = item;
+                if (item.getUuid()
+                        .equals(currentProfileUUID))
+                    result = item;
             }
         }
-        Data.profiles.setList(list);
+        Data.profiles.setValue(list);
         return result;
     }
     public static void storeProfilesOrder() {
-        SQLiteDatabase db = MLDB.getDatabase();
-        db.beginTransaction();
+        SQLiteDatabase db = App.getDatabase();
+        db.beginTransactionNonExclusive();
         try {
             int orderNo = 0;
-                for (int i = 0; i < Data.profiles.size(); i++) {
-                    MobileLedgerProfile p = Data.profiles.get(i);
-                    db.execSQL("update profiles set order_no=? where uuid=?",
-                            new Object[]{orderNo, p.getUuid()});
-                    p.orderNo = orderNo;
-                    orderNo++;
+            for (MobileLedgerProfile p : Data.profiles.getValue()) {
+                db.execSQL("update profiles set order_no=? where uuid=?",
+                        new Object[]{orderNo, p.getUuid()});
+                p.orderNo = orderNo;
+                orderNo++;
             }
             db.setTransactionSuccessful();
         }
@@ -114,6 +138,57 @@ public final class MobileLedgerProfile {
             db.endTransaction();
         }
     }
+    public boolean getShowCommentsByDefault() {
+        return showCommentsByDefault;
+    }
+    public void setShowCommentsByDefault(boolean newValue) {
+        this.showCommentsByDefault = newValue;
+    }
+    public boolean getShowCommodityByDefault() {
+        return showCommodityByDefault;
+    }
+    public void setShowCommodityByDefault(boolean showCommodityByDefault) {
+        this.showCommodityByDefault = showCommodityByDefault;
+    }
+    public String getDefaultCommodity() {
+        return defaultCommodity;
+    }
+    public void setDefaultCommodity(String defaultCommodity) {
+        this.defaultCommodity = defaultCommodity;
+    }
+    public void setDefaultCommodity(CharSequence defaultCommodity) {
+        if (defaultCommodity == null)
+            this.defaultCommodity = null;
+        else
+            this.defaultCommodity = String.valueOf(defaultCommodity);
+    }
+    public SendTransactionTask.API getApiVersion() {
+        return apiVersion;
+    }
+    public void setApiVersion(SendTransactionTask.API apiVersion) {
+        this.apiVersion = apiVersion;
+    }
+    public void setApiVersion(int apiVersion) {
+        this.apiVersion = SendTransactionTask.API.valueOf(apiVersion);
+    }
+    public FutureDates getFutureDates() {
+        return futureDates;
+    }
+    public void setFutureDates(int anInt) {
+        futureDates = FutureDates.valueOf(anInt);
+    }
+    public void setFutureDates(FutureDates futureDates) {
+        this.futureDates = futureDates;
+    }
+    public String getPreferredAccountsFilter() {
+        return preferredAccountsFilter;
+    }
+    public void setPreferredAccountsFilter(String preferredAccountsFilter) {
+        this.preferredAccountsFilter = preferredAccountsFilter;
+    }
+    public void setPreferredAccountsFilter(CharSequence preferredAccountsFilter) {
+        setPreferredAccountsFilter(String.valueOf(preferredAccountsFilter));
+    }
     public boolean isPostingPermitted() {
         return permitPosting;
     }
@@ -126,21 +201,21 @@ public final class MobileLedgerProfile {
     public String getName() {
         return name;
     }
-    public void setName(String name) {
-        this.name = name;
-    }
     public void setName(CharSequence text) {
         setName(String.valueOf(text));
     }
+    public void setName(String name) {
+        this.name = name;
+    }
     public String getUrl() {
         return url;
     }
-    public void setUrl(String url) {
-        this.url = url;
-    }
     public void setUrl(CharSequence text) {
         setUrl(String.valueOf(text));
     }
+    public void setUrl(String url) {
+        this.url = url;
+    }
     public boolean isAuthEnabled() {
         return authEnabled;
     }
@@ -150,35 +225,39 @@ public final class MobileLedgerProfile {
     public String getAuthUserName() {
         return authUserName;
     }
-    public void setAuthUserName(String authUserName) {
-        this.authUserName = authUserName;
-    }
     public void setAuthUserName(CharSequence text) {
         setAuthUserName(String.valueOf(text));
     }
+    public void setAuthUserName(String authUserName) {
+        this.authUserName = authUserName;
+    }
     public String getAuthPassword() {
         return authPassword;
     }
-    public void setAuthPassword(String authPassword) {
-        this.authPassword = authPassword;
-    }
     public void setAuthPassword(CharSequence text) {
         setAuthPassword(String.valueOf(text));
     }
+    public void setAuthPassword(String authPassword) {
+        this.authPassword = authPassword;
+    }
     public void storeInDB() {
-        SQLiteDatabase db = MLDB.getDatabase();
-        db.beginTransaction();
+        SQLiteDatabase db = App.getDatabase();
+        db.beginTransactionNonExclusive();
         try {
-//            Log.d("profiles", String.format("Storing profile in DB: uuid=%s, name=%s, " +
+//            debug("profiles", String.format("Storing profile in DB: uuid=%s, name=%s, " +
 //                                            "url=%s, permit_posting=%s, authEnabled=%s, " +
-//                                            "themeId=%d", uuid, name, url,
-//                    permitPosting ? "TRUE" : "FALSE", authEnabled ? "TRUE" : "FALSE", themeId));
+//                                            "themeHue=%d", uuid, name, url,
+//                    permitPosting ? "TRUE" : "FALSE", authEnabled ? "TRUE" : "FALSE", themeHue));
             db.execSQL("REPLACE INTO profiles(uuid, name, permit_posting, url, " +
-                       "use_authentication, auth_user, " +
-                       "auth_password, theme, order_no) VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?)",
+                       "use_authentication, auth_user, auth_password, theme, order_no, " +
+                       "preferred_accounts_filter, future_dates, api_version, " +
+                       "show_commodity_by_default, default_commodity, show_comments_by_default) " +
+                       "VALUES(?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)",
                     new Object[]{uuid, name, permitPosting, url, authEnabled,
                                  authEnabled ? authUserName : null,
-                                 authEnabled ? authPassword : null, themeId, orderNo
+                                 authEnabled ? authPassword : null, themeHue, orderNo,
+                                 preferredAccountsFilter, futureDates.toInt(), apiVersion.toInt(),
+                                 showCommodityByDefault, defaultCommodity, showCommentsByDefault
                     });
             db.setTransactionSuccessful();
         }
@@ -194,18 +273,17 @@ public final class MobileLedgerProfile {
                 new Object[]{acc.getLevel(), acc.isHiddenByStar(), acc.isExpanded(), uuid,
                              acc.getName()
                 });
-        db.execSQL(
-                "insert into accounts(profile, name, name_upper, parent_name, level, hidden, expanded, keep) " +
-                "select ?,?,?,?,?,?,?,1 where (select changes() = 0)",
+        db.execSQL("insert into accounts(profile, name, name_upper, parent_name, level, hidden, " +
+                   "expanded, keep) " + "select ?,?,?,?,?,?,?,1 where (select changes() = 0)",
                 new Object[]{uuid, acc.getName(), acc.getName().toUpperCase(), acc.getParentName(),
                              acc.getLevel(), acc.isHiddenByStar(), acc.isExpanded()
                 });
-//        Log.d("accounts", String.format("Stored account '%s' in DB [%s]", acc.getName(), uuid));
+//        debug("accounts", String.format("Stored account '%s' in DB [%s]", acc.getName(), uuid));
     }
     public void storeAccountValue(SQLiteDatabase db, String name, String currency, Float amount) {
         db.execSQL("replace into account_values(profile, account, " +
                    "currency, value, keep) values(?, ?, ?, ?, 1);",
-                new Object[]{uuid, name, currency, amount});
+                new Object[]{uuid, name, Misc.emptyIsNull(currency), amount});
     }
     public void storeTransaction(SQLiteDatabase db, LedgerTransaction tr) {
         tr.fillDataHash();
@@ -214,23 +292,26 @@ public final class MobileLedgerProfile {
         db.execSQL("DELETE from transaction_accounts WHERE profile = ? and transaction_id=?",
                 new Object[]{uuid, tr.getId()});
 
-        db.execSQL("INSERT INTO transactions(profile, id, date, description, data_hash, keep) " +
-                   "values(?,?,?,?,?,1)",
-                new Object[]{uuid, tr.getId(), Globals.formatLedgerDate(tr.getDate()),
-                             tr.getDescription(), tr.getDataHash()
+        db.execSQL(
+                "INSERT INTO transactions(profile, id, year, month, day, description, "+
+                "comment, data_hash, keep) " +
+                "values(?,?,?,?,?,?,?,?,1)",
+                new Object[]{uuid, tr.getId(), tr.getDate().year, tr.getDate().month,
+                             tr.getDate().day, tr.getDescription(),
+                             tr.getComment(), tr.getDataHash()
                 });
 
         for (LedgerTransactionAccount item : tr.getAccounts()) {
             db.execSQL("INSERT INTO transaction_accounts(profile, transaction_id, " +
-                       "account_name, amount, currency) values(?, ?, ?, ?, ?)",
+                       "account_name, amount, currency, comment) values(?, ?, ?, ?, ?, ?)",
                     new Object[]{uuid, tr.getId(), item.getAccountName(), item.getAmount(),
-                                 item.getCurrency()
+                                 Misc.nullIsEmpty(item.getCurrency()), item.getComment()
                     });
         }
-        Log.d("profile", String.format("Transaction %d stored", tr.getId()));
+//        debug("profile", String.format("Transaction %d stored", tr.getId()));
     }
     public String getOption(String name, String default_value) {
-        SQLiteDatabase db = MLDB.getDatabase();
+        SQLiteDatabase db = App.getDatabase();
         try (Cursor cursor = db.rawQuery("select value from options where profile = ? and name=?",
                 new String[]{uuid, name}))
         {
@@ -238,17 +319,19 @@ public final class MobileLedgerProfile {
                 String result = cursor.getString(0);
 
                 if (result == null) {
-                    Log.d("profile", "returning default value for " + name);
+                    debug("profile", "returning default value for " + name);
                     result = default_value;
                 }
-                else Log.d("profile", String.format("option %s=%s", name, result));
+                else
+                    debug("profile", String.format("option %s=%s", name, result));
 
                 return result;
             }
-            else return default_value;
+            else
+                return default_value;
         }
         catch (Exception e) {
-            Log.d("db", "returning default value for " + name, e);
+            debug("db", "returning default value for " + name, e);
             return default_value;
         }
     }
@@ -256,16 +339,16 @@ public final class MobileLedgerProfile {
         long longResult;
         String result = getOption(name, "");
         if ((result == null) || result.isEmpty()) {
-            Log.d("profile", String.format("Returning default value for option %s", name));
+            debug("profile", String.format("Returning default value for option %s", name));
             longResult = default_value;
         }
         else {
             try {
                 longResult = Long.parseLong(result);
-                Log.d("profile", String.format("option %s=%s", name, result));
+                debug("profile", String.format("option %s=%s", name, result));
             }
             catch (Exception e) {
-                Log.d("profile", String.format("Returning default value for option %s", name), e);
+                debug("profile", String.format("Returning default value for option %s", name), e);
                 longResult = default_value;
             }
         }
@@ -273,24 +356,25 @@ public final class MobileLedgerProfile {
         return longResult;
     }
     public void setOption(String name, String value) {
-        Log.d("profile", String.format("setting option %s=%s", name, value));
-        SQLiteDatabase db = MLDB.getDatabase();
-        db.execSQL("insert or replace into options(profile, name, value) values(?, ?, ?);",
+        debug("profile", String.format("setting option %s=%s", name, value));
+        DbOpQueue.add("insert or replace into options(profile, name, value) values(?, ?, ?);",
                 new String[]{uuid, name, value});
     }
     public void setLongOption(String name, long value) {
         setOption(name, String.valueOf(value));
     }
     public void removeFromDB() {
-        SQLiteDatabase db = MLDB.getDatabase();
-        Log.d("db", String.format("removing profile %s from DB", uuid));
-        db.beginTransaction();
+        SQLiteDatabase db = App.getDatabase();
+        debug("db", String.format("removing profile %s from DB", uuid));
+        db.beginTransactionNonExclusive();
         try {
-            db.execSQL("delete from profiles where uuid=?", new Object[]{uuid});
-            db.execSQL("delete from accounts where profile=?", new Object[]{uuid});
-            db.execSQL("delete from account_values where profile=?", new Object[]{uuid});
-            db.execSQL("delete from transactions where profile=?", new Object[]{uuid});
-            db.execSQL("delete from transaction_accounts where profile=?", new Object[]{uuid});
+            Object[] uuid_param = new Object[]{uuid};
+            db.execSQL("delete from profiles where uuid=?", uuid_param);
+            db.execSQL("delete from accounts where profile=?", uuid_param);
+            db.execSQL("delete from account_values where profile=?", uuid_param);
+            db.execSQL("delete from transactions where profile=?", uuid_param);
+            db.execSQL("delete from transaction_accounts where profile=?", uuid_param);
+            db.execSQL("delete from options where profile=?", uuid_param);
             db.setTransactionSuccessful();
         }
         finally {
@@ -299,19 +383,20 @@ public final class MobileLedgerProfile {
     }
     @NonNull
     public LedgerAccount loadAccount(String name) {
-        SQLiteDatabase db = MLDB.getDatabase();
+        SQLiteDatabase db = App.getDatabase();
         return loadAccount(db, name);
     }
     @Nullable
     public LedgerAccount tryLoadAccount(String acct_name) {
-        SQLiteDatabase db = MLDB.getDatabase();
+        SQLiteDatabase db = App.getDatabase();
         return tryLoadAccount(db, acct_name);
     }
     @NonNull
     public LedgerAccount loadAccount(SQLiteDatabase db, String accName) {
         LedgerAccount acc = tryLoadAccount(db, accName);
 
-        if (acc == null) throw new RuntimeException("Unable to load account with name " + accName);
+        if (acc == null)
+            throw new RuntimeException("Unable to load account with name " + accName);
 
         return acc;
     }
@@ -344,20 +429,20 @@ public final class MobileLedgerProfile {
     }
     public LedgerTransaction loadTransaction(int transactionId) {
         LedgerTransaction tr = new LedgerTransaction(transactionId, this.uuid);
-        tr.loadData(MLDB.getDatabase());
+        tr.loadData(App.getDatabase());
 
         return tr;
     }
-    public int getThemeId() {
-//        Log.d("profile", String.format("Profile.getThemeId() returning %d", themeId));
-        return this.themeId;
+    public int getThemeHue() {
+//        debug("profile", String.format("Profile.getThemeHue() returning %d", themeHue));
+        return this.themeHue;
     }
-    public void setThemeId(int themeId) {
-//        Log.d("profile", String.format("Profile.setThemeId(%d) called", themeId));
-        this.themeId = themeId;
+    public void setThemeHue(Object o) {
+        setThemeId(Integer.parseInt(String.valueOf(o)));
     }
-    public void setThemeId(Object o) {
-        setThemeId(Integer.valueOf(String.valueOf(o)).intValue());
+    public void setThemeId(int themeHue) {
+//        debug("profile", String.format("Profile.setThemeHue(%d) called", themeHue));
+        this.themeHue = themeHue;
     }
     public void markTransactionsAsNotPresent(SQLiteDatabase db) {
         db.execSQL("UPDATE transactions set keep=0 where profile=?", new String[]{uuid});
@@ -388,14 +473,14 @@ public final class MobileLedgerProfile {
         db.execSQL("DELETE FROM transactions WHERE profile=? AND keep = 0", new String[]{uuid});
     }
     public void setLastUpdateStamp() {
-        Log.d("db", "Updating transaction value stamp");
+        debug("db", "Updating transaction value stamp");
         Date now = new Date();
         setLongOption(MLDB.OPT_LAST_SCRAPE, now.getTime());
-        Data.lastUpdateDate.set(now);
+        Data.lastUpdateDate.postValue(now);
     }
     public List<LedgerAccount> loadChildAccountsOf(LedgerAccount acc) {
         List<LedgerAccount> result = new ArrayList<>();
-        SQLiteDatabase db = MLDB.getDatabase();
+        SQLiteDatabase db = App.getDatabase();
         try (Cursor c = db.rawQuery(
                 "SELECT a.name FROM accounts a WHERE a.profile = ? and a.name like ?||':%'",
                 new String[]{uuid, acc.getName()}))
@@ -413,7 +498,7 @@ public final class MobileLedgerProfile {
         ArrayList<LedgerAccount> visibleList = new ArrayList<>();
         visibleList.add(acc);
 
-        SQLiteDatabase db = MLDB.getDatabase();
+        SQLiteDatabase db = App.getDatabase();
         try (Cursor c = db.rawQuery(
                 "SELECT a.name FROM accounts a WHERE a.profile = ? and a.name like ?||':%'",
                 new String[]{uuid, acc.getName()}))
@@ -429,4 +514,101 @@ public final class MobileLedgerProfile {
 
         return result;
     }
+    public void wipeAllData() {
+        SQLiteDatabase db = App.getDatabase();
+        db.beginTransaction();
+        try {
+            String[] pUuid = new String[]{uuid};
+            db.execSQL("delete from options where profile=?", pUuid);
+            db.execSQL("delete from accounts where profile=?", pUuid);
+            db.execSQL("delete from account_values where profile=?", pUuid);
+            db.execSQL("delete from transactions where profile=?", pUuid);
+            db.execSQL("delete from transaction_accounts where profile=?", pUuid);
+            db.setTransactionSuccessful();
+            Logger.debug("wipe", String.format(Locale.ENGLISH, "Profile %s wiped out", pUuid[0]));
+        }
+        finally {
+            db.endTransaction();
+        }
+    }
+    public List<Currency> getCurrencies() {
+        SQLiteDatabase db = App.getDatabase();
+
+        ArrayList<Currency> result = new ArrayList<>();
+
+        try (Cursor c = db.rawQuery("SELECT c.id, c.name, c.position, c.has_gap FROM currencies c",
+                new String[]{}))
+        {
+            while (c.moveToNext()) {
+                Currency currency = new Currency(c.getInt(0), c.getString(1),
+                        Currency.Position.valueOf(c.getInt(2)), c.getInt(3) == 1);
+                result.add(currency);
+            }
+        }
+
+        return result;
+    }
+    Currency loadCurrencyByName(String name) {
+        SQLiteDatabase db = App.getDatabase();
+        Currency result = tryLoadCurrencyByName(db, name);
+        if (result == null)
+            throw new RuntimeException(String.format("Unable to load currency '%s'", name));
+        return result;
+    }
+    private Currency tryLoadCurrencyByName(SQLiteDatabase db, String name) {
+        try (Cursor cursor = db.rawQuery(
+                "SELECT c.id, c.name, c.position, c.has_gap FROM currencies c WHERE c.name=?",
+                new String[]{name}))
+        {
+            if (cursor.moveToFirst()) {
+                return new Currency(cursor.getInt(0), cursor.getString(1),
+                        Currency.Position.valueOf(cursor.getInt(2)), cursor.getInt(3) == 1);
+            }
+            return null;
+        }
+    }
+    public enum FutureDates {
+        None(0), OneWeek(7), TwoWeeks(14), OneMonth(30), TwoMonths(60), ThreeMonths(90),
+        SixMonths(180), OneYear(365), All(-1);
+        private static SparseArray<FutureDates> map = new SparseArray<>();
+
+        static {
+            for (FutureDates item : FutureDates.values()) {
+                map.put(item.value, item);
+            }
+        }
+
+        private int value;
+        FutureDates(int value) {
+            this.value = value;
+        }
+        public static FutureDates valueOf(int i) {
+            return map.get(i, None);
+        }
+        public int toInt() {
+            return this.value;
+        }
+        public String getText(Resources resources) {
+            switch (value) {
+                case 7:
+                    return resources.getString(R.string.future_dates_7);
+                case 14:
+                    return resources.getString(R.string.future_dates_14);
+                case 30:
+                    return resources.getString(R.string.future_dates_30);
+                case 60:
+                    return resources.getString(R.string.future_dates_60);
+                case 90:
+                    return resources.getString(R.string.future_dates_90);
+                case 180:
+                    return resources.getString(R.string.future_dates_180);
+                case 365:
+                    return resources.getString(R.string.future_dates_365);
+                case -1:
+                    return resources.getString(R.string.future_dates_all);
+                default:
+                    return resources.getString(R.string.future_dates_none);
+            }
+        }
+    }
 }