Add cryptoAmount, cryptoPrecision and cryptoSymbol to TransferDetails model and fetch that iformation from the database, which is later used to correctly format and display the crypto amount in the Transactions list.

app/src/main/java/cy/agorise/bitsybitshareswallet/adapters/TransfersDetailsAdapter.kt

@@ -14,15 +14,19 @@ import androidx.recyclerview.widget.SortedList
 import cy.agorise.bitsybitshareswallet.R
 import cy.agorise.bitsybitshareswallet.database.joins.TransferDetail
 import cy.agorise.bitsybitshareswallet.utils.Constants
+import java.math.RoundingMode
+import java.text.DecimalFormat
+import java.text.DecimalFormatSymbols
+import java.util.*
 
-class TransfersAdapter(private val context: Context) :
+class TransfersDetailsAdapter(private val context: Context) :
-    RecyclerView.Adapter<TransfersAdapter.ViewHolder>() {
+    RecyclerView.Adapter<TransfersDetailsAdapter.ViewHolder>() {
 
     val userId = PreferenceManager.getDefaultSharedPreferences(context)
         .getString(Constants.KEY_CURRENT_ACCOUNT_ID, "")!!
 
     private val mComparator =
-        Comparator<TransferDetail> { a, b -> a.id.compareTo(b.id) }
+        Comparator<TransferDetail> { a, b -> b.id.compareTo(a.id) }
 
     private val mSortedList =
         SortedList<TransferDetail>(TransferDetail::class.java, object : SortedList.Callback<TransferDetail>() {
@@ -69,7 +73,7 @@ class TransfersAdapter(private val context: Context) :
         val tvFiatEquivalent: TextView  = itemView.findViewById(R.id.tvFiatEquivalent)
     }
 
-    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TransfersAdapter.ViewHolder {
+    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): TransfersDetailsAdapter.ViewHolder {
         val inflater = LayoutInflater.from(context)
 
         val transactionView = inflater.inflate(R.layout.item_transaction, parent, false)
@@ -87,6 +91,22 @@ class TransfersAdapter(private val context: Context) :
         viewHolder.tvFrom.text = transferDetail.from
         viewHolder.tvTo.text = transferDetail.to
 
+        viewHolder.tvDate.text = "02 Oct"
+        viewHolder.tvTime.text = "15:01:18 CET"
+
+        // Show the crypto amount correctly formatted
+        // TODO lift the DecimalFormat declaration to other place to make things more efficient
+        val df = DecimalFormat("####."+("#".repeat(transferDetail.cryptoPrecision)))
+        df.roundingMode = RoundingMode.CEILING
+        df.decimalFormatSymbols = DecimalFormatSymbols(Locale.getDefault())
+
+        val amount = transferDetail.cryptoAmount.toDouble() /
+                Math.pow(10.toDouble(), transferDetail.cryptoPrecision.toDouble())
+        val cryptoAmount = "${df.format(amount)} ${transferDetail.cryptoSymbol}"
+        viewHolder.tvCryptoAmount.text = cryptoAmount
+        
+        viewHolder.tvFiatEquivalent.text = "$4119.75"
+
         viewHolder.ivDirectionArrow.setImageDrawable(context.getDrawable(
             if(transferDetail.direction) R.drawable.ic_arrow_receive else R.drawable.ic_arrow_send
         ))

app/src/main/java/cy/agorise/bitsybitshareswallet/database/joins/TransferDetail.kt

@@ -4,11 +4,11 @@ data class TransferDetail(
     val id: String,
     val from: String,
     val to: String,
-    val direction: Boolean // True -> Received, False -> Sent
+    val direction: Boolean, // True -> Received, False -> Sent
 //    val date: Long,
-//    val cryptoAmount: Long,
+    val cryptoAmount: Long,
-//    val cryptoPrecision: Int,
+    val cryptoPrecision: Int,
-//    val cryptoSymbol: String,
+    val cryptoSymbol: String
 //    val fiatAmount: Long,
 //    val fiatCurrency: String
 )

app/src/main/java/cy/agorise/bitsybitshareswallet/database/joins/TransferDetailDao.kt

@@ -7,6 +7,6 @@ import androidx.room.Query
 @Dao
 interface TransferDetailDao {
 
-    @Query("SELECT id, IFNULL((SELECT name FROM user_accounts WHERE user_accounts.id=transfers.source), '') AS `from`, IFNULL((SELECT name FROM user_accounts WHERE user_accounts.id=transfers.destination), '') AS `to`, (CASE WHEN destination=:userId THEN 1 ELSE 0 END) AS `direction` FROM transfers")
+    @Query("SELECT transfers.id, IFNULL((SELECT name FROM user_accounts WHERE user_accounts.id=transfers.source), '') AS `from`, IFNULL((SELECT name FROM user_accounts WHERE user_accounts.id=transfers.destination), '') AS `to`, (CASE WHEN destination=:userId THEN 1 ELSE 0 END) AS `direction`, transfers.transfer_amount AS `cryptoAmount`, assets.precision AS `cryptoPrecision`, assets.symbol AS cryptoSymbol FROM transfers INNER JOIN assets WHERE transfers.transfer_asset_id = assets.id")
     fun getAll(userId: String): LiveData<List<TransferDetail>>
 }

app/src/main/java/cy/agorise/bitsybitshareswallet/fragments/BalancesFragment.kt

@@ -13,7 +13,7 @@ import androidx.recyclerview.widget.LinearLayoutManager
 
 import cy.agorise.bitsybitshareswallet.R
 import cy.agorise.bitsybitshareswallet.adapters.BalancesAdapter
-import cy.agorise.bitsybitshareswallet.adapters.TransfersAdapter
+import cy.agorise.bitsybitshareswallet.adapters.TransfersDetailsAdapter
 import cy.agorise.bitsybitshareswallet.database.entities.UserAccount
 import cy.agorise.bitsybitshareswallet.database.joins.BalanceDetail
 import cy.agorise.bitsybitshareswallet.database.joins.TransferDetail
@@ -63,12 +63,12 @@ class BalancesFragment : Fragment() {
         // Configure TransferDetailViewModel to show the transaction history
         mTransferDetailViewModel = ViewModelProviders.of(this).get(TransferDetailViewModel::class.java)
 
-        val transfersAdapter = TransfersAdapter(context!!)
+        val transfersDetailsAdapter = TransfersDetailsAdapter(context!!)
-        rvTransactions.adapter = transfersAdapter
+        rvTransactions.adapter = transfersDetailsAdapter
         rvTransactions.layoutManager = LinearLayoutManager(context)
 
         mTransferDetailViewModel.getAll(userId).observe(this, Observer<List<TransferDetail>> { transfersDetails ->
-            transfersAdapter.replaceAll(transfersDetails)
+            transfersDetailsAdapter.replaceAll(transfersDetails)
         })
     }
 }