#95. Display transfers as records in account operations.

Author: Evgenii Kanivets

app/src/main/java/com/blogspot/e_kanivets/moneytracker/activity/account/edit/fragment/AccountOperationsFragment.kt

@@ -6,14 +6,20 @@ import com.blogspot.e_kanivets.moneytracker.R
 import com.blogspot.e_kanivets.moneytracker.activity.base.BaseFragment
 import com.blogspot.e_kanivets.moneytracker.adapter.RecordAdapter
 import com.blogspot.e_kanivets.moneytracker.controller.data.RecordController
+import com.blogspot.e_kanivets.moneytracker.controller.data.TransferController
 import com.blogspot.e_kanivets.moneytracker.entity.data.Account
+import com.blogspot.e_kanivets.moneytracker.entity.data.Category
+import com.blogspot.e_kanivets.moneytracker.entity.data.Record
+import com.blogspot.e_kanivets.moneytracker.entity.data.Transfer
 import kotlinx.android.synthetic.main.fragment_account_operations.*
 import javax.inject.Inject
 
 class AccountOperationsFragment : BaseFragment() {
 
     @Inject
     internal lateinit var recordController: RecordController
+    @Inject
+    internal lateinit var transferController: TransferController
 
     private lateinit var account: Account
 
@@ -25,7 +31,33 @@ class AccountOperationsFragment : BaseFragment() {
     }
 
     override fun initViews(view: View) {
-        listView.adapter = RecordAdapter(activity, recordController.getRecordsForAccount(account))
+        listView.adapter = RecordAdapter(activity, getRecords())
+    }
+
+    private fun getRecords(): List<Record> {
+        val accountRecords = recordController.getRecordsForAccount(account)
+        val accountTransfers = transferController.getTransfersForAccount(account)
+
+        accountRecords += calculateRecordsFromTransfers(accountTransfers)
+        accountRecords.sortByDescending { it.time }
+
+        return accountRecords
+    }
+
+    private fun calculateRecordsFromTransfers(transfers: List<Transfer>): List<Record> {
+        val records = mutableListOf<Record>()
+
+        transfers.forEach {
+            val type = if (it.fromAccountId == account.id) Record.TYPE_EXPENSE else Record.TYPE_INCOME
+            val title = "Transfer ${if (type == Record.TYPE_EXPENSE) "to" else "from"}"
+            val category = Category("transfer")
+            val price = if (type == Record.TYPE_EXPENSE) it.fromAmount else it.toAmount
+            val decimals = if (type == Record.TYPE_EXPENSE) it.fromDecimals else it.toDecimals
+
+            records += Record(it.id, it.time, type, title, category, price, account, account.currency, decimals)
+        }
+
+        return records.toList()
     }
 
     companion object {

app/src/main/java/com/blogspot/e_kanivets/moneytracker/controller/data/TransferController.kt

@@ -1,7 +1,9 @@
 package com.blogspot.e_kanivets.moneytracker.controller.data
 
 import com.blogspot.e_kanivets.moneytracker.controller.base.BaseController
+import com.blogspot.e_kanivets.moneytracker.entity.data.Account
 import com.blogspot.e_kanivets.moneytracker.entity.data.Transfer
+import com.blogspot.e_kanivets.moneytracker.repo.DbHelper
 import com.blogspot.e_kanivets.moneytracker.repo.base.IRepo
 
 /**
@@ -24,4 +26,11 @@ class TransferController(
         }
     }
 
+    fun getTransfersForAccount(account: Account): List<Transfer> {
+        val condition = "${DbHelper.FROM_ACCOUNT_ID_COLUMN}=? OR ${DbHelper.TO_ACCOUNT_ID_COLUMN}=?"
+        val args = arrayOf(account.id.toString(), account.id.toString())
+
+        return readWithCondition(condition, args)
+    }
+
 }