running totals when filtering transactions by account

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

diff --git a/app/src/main/java/net/ktnx/mobileledger/model/TransactionListItem.java b/app/src/main/java/net/ktnx/mobileledger/model/TransactionListItem.java
index 6f1ee9ebcb8eabfdeaa7844fd02f4c476ad41191..7c3520919232c10c7fc44c42fe19957c649231e4 100644 (file)
--- a/app/src/main/java/net/ktnx/mobileledger/model/TransactionListItem.java
+++ b/app/src/main/java/net/ktnx/mobileledger/model/TransactionListItem.java
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2020 Damyan Ivanov.
+ * Copyright © 2021 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
@@ -18,23 +18,36 @@
 package net.ktnx.mobileledger.model;
 
 import androidx.annotation.NonNull;
+import androidx.annotation.Nullable;
 
-import net.ktnx.mobileledger.App;
 import net.ktnx.mobileledger.utils.SimpleDate;
 
+import org.jetbrains.annotations.NotNull;
+
 public class TransactionListItem {
     private final Type type;
     private SimpleDate date;
     private boolean monthShown;
     private LedgerTransaction transaction;
-    public TransactionListItem(SimpleDate date, boolean monthShown) {
+    private String boldAccountName;
+    private String runningTotal;
+    public TransactionListItem(@NotNull SimpleDate date, boolean monthShown) {
         this.type = Type.DELIMITER;
         this.date = date;
         this.monthShown = monthShown;
     }
-    public TransactionListItem(LedgerTransaction transaction) {
+    public TransactionListItem(@NotNull LedgerTransaction transaction,
+                               @Nullable String boldAccountName, @Nullable String runningTotal) {
         this.type = Type.TRANSACTION;
         this.transaction = transaction;
+        this.boldAccountName = boldAccountName;
+        this.runningTotal = runningTotal;
+    }
+    public TransactionListItem() {
+        this.type = Type.HEADER;
+    }
+    public String getRunningTotal() {
+        return runningTotal;
     }
     @NonNull
     public Type getType() {
@@ -44,14 +57,35 @@ public class TransactionListItem {
     public SimpleDate getDate() {
         if (date != null)
             return date;
-        transaction.loadData(App.getDatabase());
+        if (type != Type.TRANSACTION)
+            throw new IllegalStateException("Only transaction items have a date");
         return transaction.getDate();
     }
     public boolean isMonthShown() {
         return monthShown;
     }
+    @NotNull
     public LedgerTransaction getTransaction() {
+        if (type != Type.TRANSACTION)
+            throw new IllegalStateException(
+                    String.format("Item type is not %s, but %s", Type.TRANSACTION, type));
         return transaction;
     }
-    public enum Type {TRANSACTION, DELIMITER}
+    public @Nullable
+    String getBoldAccountName() {
+        return boldAccountName;
+    }
+    public enum Type {
+        TRANSACTION, DELIMITER, HEADER;
+        public static Type valueOf(int i) {
+            if (i == TRANSACTION.ordinal())
+                return TRANSACTION;
+            else if (i == DELIMITER.ordinal())
+                return DELIMITER;
+            else if (i == HEADER.ordinal())
+                return HEADER;
+            else
+                throw new IllegalStateException("Unexpected value: " + i);
+        }
+    }
 }