rework account list management to be fully asynchronous

[mobile-ledger.git] / app / src / main / java / net / ktnx / mobileledger / model / LedgerTransaction.java

diff --git a/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransaction.java b/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransaction.java
index 4e7ce33ef3750a3de28ce38662d8728ba6852edd..638a692cff56d21417e15786183c2bb0a14109a2 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransaction.java
+++ b/app/src/main/java/net/ktnx/mobileledger/model/LedgerTransaction.java
@@ -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
@@ -20,15 +20,19 @@ package net.ktnx.mobileledger.model;
 import android.database.Cursor;
 import android.database.sqlite.SQLiteDatabase;
 
+import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
+
+import net.ktnx.mobileledger.App;
 import net.ktnx.mobileledger.utils.Digest;
 import net.ktnx.mobileledger.utils.Globals;
+import net.ktnx.mobileledger.utils.SimpleDate;
 
 import java.nio.charset.StandardCharsets;
 import java.security.NoSuchAlgorithmException;
 import java.text.ParseException;
 import java.util.ArrayList;
 import java.util.Comparator;
-import java.util.Date;
 
 public class LedgerTransaction {
     private static final String DIGEST_TYPE = "SHA-256";
@@ -53,7 +57,7 @@ public class LedgerTransaction {
             };
     private String profile;
     private Integer id;
-    private Date date;
+    private SimpleDate date;
     private String description;
     private String comment;
     private ArrayList<LedgerTransactionAccount> accounts;
@@ -63,7 +67,7 @@ public class LedgerTransaction {
             throws ParseException {
         this(id, Globals.parseLedgerDate(dateString), description);
     }
-    public LedgerTransaction(Integer id, Date date, String description,
+    public LedgerTransaction(Integer id, SimpleDate date, String description,
                              MobileLedgerProfile profile) {
         this.profile = profile.getUuid();
         this.id = id;
@@ -73,14 +77,14 @@ public class LedgerTransaction {
         this.dataHash = null;
         dataLoaded = false;
     }
-    public LedgerTransaction(Integer id, Date date, String description) {
+    public LedgerTransaction(Integer id, SimpleDate date, String description) {
         this(id, date, description, Data.profile.getValue());
     }
-    public LedgerTransaction(Date date, String description) {
+    public LedgerTransaction(SimpleDate date, String description) {
         this(null, date, description);
     }
     public LedgerTransaction(int id) {
-        this(id, (Date) null, null);
+        this(id, (SimpleDate) null, null);
     }
     public LedgerTransaction(int id, String profileUUID) {
         this.profile = profileUUID;
@@ -98,10 +102,18 @@ public class LedgerTransaction {
         accounts.add(item);
         dataHash = null;
     }
-    public Date getDate() {
+    @Nullable
+    public SimpleDate getDateIfAny() {
+        return date;
+    }
+    @NonNull
+    public SimpleDate getDate() {
+        loadData(App.getDatabase());
+        if (date == null)
+            throw new IllegalStateException("Transaction has no date");
         return date;
     }
-    public void setDate(Date date) {
+    public void setDate(SimpleDate date) {
         this.date = date;
         dataHash = null;
     }
@@ -127,11 +139,14 @@ public class LedgerTransaction {
         try {
             Digest sha = new Digest(DIGEST_TYPE);
             StringBuilder data = new StringBuilder();
+            data.append("ver1");
             data.append(profile);
             data.append(getId());
             data.append('\0');
             data.append(getDescription());
             data.append('\0');
+            data.append(getComment());
+            data.append('\0');
             data.append(Globals.formatLedgerDate(getDate()));
             data.append('\0');
             for (LedgerTransactionAccount item : accounts) {
@@ -168,21 +183,15 @@ public class LedgerTransaction {
             return;
 
         try (Cursor cTr = db.rawQuery(
-                "SELECT date, description from transactions WHERE profile=? AND id=?",
-                new String[]{profile, String.valueOf(id)}))
+                "SELECT year, month, day, description, comment from transactions WHERE profile=? " +
+                "AND id=?", new String[]{profile, String.valueOf(id)}))
         {
             if (cTr.moveToFirst()) {
-                String dateString = cTr.getString(0);
-                try {
-                    date = Globals.parseLedgerDate(dateString);
-                }
-                catch (ParseException e) {
-                    e.printStackTrace();
-                    throw new RuntimeException(
-                            String.format("Error parsing date '%s' from " + "transaction %d",
-                                    dateString, id));
-                }
-                description = cTr.getString(1);
+                date = new SimpleDate(cTr.getInt(0), cTr.getInt(1), cTr.getInt(2));
+                description = cTr.getString(3);
+                comment = cTr.getString(4);
+
+                accounts.clear();
 
                 try (Cursor cAcc = db.rawQuery(
                         "SELECT account_name, amount, currency, comment FROM " +
@@ -204,9 +213,33 @@ public class LedgerTransaction {
 
     }
     public String getDataHash() {
+        fillDataHash();
         return dataHash;
     }
     public void finishLoading() {
         dataLoaded = true;
     }
+    @Override
+    public boolean equals(@Nullable Object obj) {
+        if (obj == null)
+            return false;
+        if (!obj.getClass()
+                .equals(this.getClass()))
+            return false;
+
+        return ((LedgerTransaction) obj).getDataHash()
+                                        .equals(getDataHash());
+    }
+
+    public boolean hasAccountNamedLike(String name) {
+        name = name.toUpperCase();
+        for (LedgerTransactionAccount acc : accounts) {
+            if (acc.getAccountName()
+                   .toUpperCase()
+                   .contains(name))
+                return true;
+        }
+
+        return false;
+    }
 }