Long-press to delete an entry (#253)

mueller-ma · Nov 5, 2023 · 5b75669 · 5b75669
1 parent 9008c37
commit 5b75669
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Showing 3 changed files with 23 additions and 4 deletions.
diff --git a/app/src/main/java/com/github/muellerma/prepaidbalance/ui/BalanceListAdapter.kt b/app/src/main/java/com/github/muellerma/prepaidbalance/ui/BalanceListAdapter.kt
@@ -1,28 +1,31 @@
 package com.github.muellerma.prepaidbalance.ui
 
-import android.content.Context
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.annotation.ColorRes
 import androidx.core.content.ContextCompat
 import androidx.recyclerview.widget.RecyclerView
 import com.github.muellerma.prepaidbalance.R
 import com.github.muellerma.prepaidbalance.databinding.ListBalanceBinding
+import com.github.muellerma.prepaidbalance.room.AppDatabase
 import com.github.muellerma.prepaidbalance.room.BalanceEntry
 import com.github.muellerma.prepaidbalance.utils.formatAsCurrency
 import com.github.muellerma.prepaidbalance.utils.formatAsDiff
 import com.github.muellerma.prepaidbalance.utils.showToast
 import com.github.muellerma.prepaidbalance.utils.timestampForUi
 import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
-class BalanceListAdapter(context: Context) :
+class BalanceListAdapter(val activity: MainActivity) :
     RecyclerView.Adapter<BalanceListViewHolder>() {
     var balances = emptyList<BalanceEntry>()
         set(value) {
             field = value
             notifyDataSetChanged()
         }
-    private val inflater = LayoutInflater.from(context)
+    private val inflater = LayoutInflater.from(activity)
 
     override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BalanceListViewHolder {
         return BalanceListViewHolder(ListBalanceBinding.inflate(inflater, parent, false))
@@ -55,6 +58,20 @@ class BalanceListAdapter(context: Context) :
                     .show()
             }
         }
+        holder.binding.card.setOnLongClickListener {
+            val balance = balances[position]
+            MaterialAlertDialogBuilder(it.context)
+                .setPositiveButton(R.string.delete) { _, _ ->
+                    CoroutineScope(Dispatchers.IO).launch {
+                        AppDatabase.get(it.context).balanceDao().delete(balance)
+                        this@BalanceListAdapter.activity.updateBalanceList()
+                    }
+                }
+                .setNegativeButton(android.R.string.cancel, null)
+                .setMessage(it.context.getString(R.string.delete_entry, balance.balance.formatAsCurrency()))
+                .show()
+            true
+        }
 
         holder.binding.date.apply {
             text = balances[position].timestamp.timestampForUi(context)

diff --git a/app/src/main/java/com/github/muellerma/prepaidbalance/ui/MainActivity.kt b/app/src/main/java/com/github/muellerma/prepaidbalance/ui/MainActivity.kt
@@ -103,7 +103,7 @@ class MainActivity : AbstractBaseActivity(), SwipeRefreshLayout.OnRefreshListene
         super.onResume()
     }
 
-    private fun updateBalanceList() {
+    fun updateBalanceList() {
         Log.d(TAG, "updateBalanceList()")
         launch {
             val lastOneYear = System.currentTimeMillis() - 12L * 30 * 24 * 60 * 60 * 1000

diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
@@ -46,6 +46,8 @@
     <string name="retry">Retry</string>
     <string name="confirm_first_request">A USSD request will be made to %s</string>
     <string name="close">Close</string>
+    <string name="delete">Delete</string>
+    <string name="delete_entry">Do you want do delete the entry \"%s\"?</string>
     <string name="no_response_saved">No response saved</string>
     <string name="last_update">Last update: %s</string>
     <string name="widget_description">Show latest balance</string>