Improve deletion system and add deletion for bankroll

app/src/main/java/net/pokeranalytics/android/model/interfaces/Manageable.kt

@@ -12,12 +12,19 @@ enum class SaveValidityStatus {
 	DATA_INVALID;
 }
 
+enum class DeleteValidityStatus {
+	VALID,
+	INVALID,
+	SESSIONS_LINKED,
+	TRANSACTIONS_LINKED;
+}
+
 /**
  * An interface to grouped object which are managed by the database
  */
 interface Manageable : Savable, Deletable, Editable
 
-interface NameManageable: Manageable {
+interface NameManageable : Manageable {
 	var name: String
 
 	override fun isValidForSave(): Boolean {
@@ -25,16 +32,16 @@ interface NameManageable: Manageable {
 	}
 
 	override fun alreadyExists(realm: Realm): Boolean {
-        return realm.where(this::class.java).equalTo("name", this.name).and().notEqualTo("id", this.id).findAll().isNotEmpty()
+		return realm.where(this::class.java).equalTo("name", this.name).and().notEqualTo("id", this.id).findAll().isNotEmpty()
 	}
 
 	override fun getFailedSaveMessage(status: SaveValidityStatus): Int {
-        throw ModelException("${this::class.java} getFailedSaveMessage for $status not handled")
+		throw ModelException("${this::class.java} getFailedSaveMessage for $status not handled")
 	}
 
-    override fun getFailedDeleteMessage(): Int {
-        return R.string.relationship_error
-    }
+	override fun getFailedDeleteMessage(status: DeleteValidityStatus): Int {
+		return R.string.relationship_error
+	}
 }
 
 
@@ -87,7 +94,7 @@ interface Savable : Identifiable {
 	/**
 	 * A method to get the reason why the object can't be saved
 	 */
-	fun getFailedSaveMessage(status:SaveValidityStatus): Int
+	fun getFailedSaveMessage(status: SaveValidityStatus): Int
 }
 
 
@@ -101,8 +108,17 @@ interface Deletable : Identifiable {
 	 */
 	fun isValidForDelete(realm: Realm): Boolean
 
+
+	fun getDeleteStatus(realm: Realm): DeleteValidityStatus {
+		if (!isValidForDelete(realm)) {
+			return DeleteValidityStatus.INVALID
+		}
+		return DeleteValidityStatus.VALID
+	}
+
 	/**
 	 * A method to get the reason why the object can't be deleted
 	 */
-	fun getFailedDeleteMessage(): Int
+	fun getFailedDeleteMessage(status: DeleteValidityStatus): Int
+
 }

app/src/main/java/net/pokeranalytics/android/model/realm/Bankroll.kt

@@ -7,6 +7,7 @@ import io.realm.annotations.LinkingObjects
 import io.realm.annotations.PrimaryKey
 import io.realm.kotlin.where
 import net.pokeranalytics.android.R
+import net.pokeranalytics.android.model.interfaces.DeleteValidityStatus
 import net.pokeranalytics.android.model.interfaces.NameManageable
 import net.pokeranalytics.android.model.interfaces.SaveValidityStatus
 import net.pokeranalytics.android.ui.view.RowRepresentable
@@ -16,69 +17,82 @@ import java.util.*
 
 open class Bankroll : RealmObject(), NameManageable, RowRepresentable {
 
-    @PrimaryKey
-    override var id = UUID.randomUUID().toString()
+	@PrimaryKey
+	override var id = UUID.randomUUID().toString()
 
-    override var name: String = ""
+	override var name: String = ""
 
-    // Indicates whether the bankroll is live or online
-    var live: Boolean = true
+	// Indicates whether the bankroll is live or online
+	var live: Boolean = true
 
-    /**
-     * The list of transactions of the bankroll
-     */
-    @LinkingObjects("bankroll")
-    val transactions: RealmResults<Transaction>? = null
+	/**
+	 * The list of transactions of the bankroll
+	 */
+	@LinkingObjects("bankroll")
+	val transactions: RealmResults<Transaction>? = null
 
-    // The currency of the bankroll
-    var currency: Currency? = null
+	// The currency of the bankroll
+	var currency: Currency? = null
 
-    // The initial value of the bankroll
-    var initialValue: Double = 0.0
+	// The initial value of the bankroll
+	var initialValue: Double = 0.0
 
-    val rate: Double
-        get() {
-            return this.currency?.rate ?: 1.0
-        }
+	val rate: Double
+		get() {
+			return this.currency?.rate ?: 1.0
+		}
 
-    override fun getDisplayName(): String {
-        return this.name
-    }
+	override fun getDisplayName(): String {
+		return this.name
+	}
 
-    override fun updateValue(value: Any?, row: RowRepresentable) {
-        when (row) {
-            SimpleRow.NAME -> this.name = value as String? ?: ""
-            BankrollRow.LIVE -> {
-                this.live = if (value is Boolean) !value else false
-            }
-            BankrollRow.INITIAL_VALUE -> {
-                this.initialValue = value as Double? ?: 0.0
-            }
-	        BankrollRow.CURRENCY -> {
-                //TODO handle a use default currency option
-		        this.currency?.code = value as String?
-	        }
-	        BankrollRow.RATE -> {
-                this.currency?.rate = value as Double?
-	        }
-        }
-    }
+	override fun updateValue(value: Any?, row: RowRepresentable) {
+		when (row) {
+			SimpleRow.NAME -> this.name = value as String? ?: ""
+			BankrollRow.LIVE -> {
+				this.live = if (value is Boolean) !value else false
+			}
+			BankrollRow.INITIAL_VALUE -> {
+				this.initialValue = value as Double? ?: 0.0
+			}
+			BankrollRow.CURRENCY -> {
+				//TODO handle a use default currency option
+				this.currency?.code = value as String?
+			}
+			BankrollRow.RATE -> {
+				this.currency?.rate = value as Double?
+			}
+		}
+	}
 
-    override fun isValidForDelete(realm: Realm): Boolean {
+	override fun isValidForDelete(realm: Realm): Boolean {
 		return realm.where<Session>().equalTo("bankroll.id", id).findAll().isEmpty()
-                //TODO: Check transactions
-                //&& realm.where<Transaction>().equalTo("bankroll.id", id).findAll().isEmpty()
+				&& realm.where<Transaction>().equalTo("bankroll.id", id).findAll().isEmpty()
+	}
+
+	override fun getDeleteStatus(realm: Realm): DeleteValidityStatus {
+		return if (!realm.where<Session>().equalTo("bankroll.id", id).findAll().isEmpty()) {
+			DeleteValidityStatus.SESSIONS_LINKED
+		} else if (!realm.where<Transaction>().equalTo("bankroll.id", id).findAll().isEmpty()) {
+			DeleteValidityStatus.TRANSACTIONS_LINKED
+		} else {
+			DeleteValidityStatus.VALID
+		}
 	}
 
-    override fun getFailedDeleteMessage(): Int {
-        return R.string.bankroll_relationship_error
-    }
+	override fun getFailedDeleteMessage(status: DeleteValidityStatus): Int {
+		return when (status) {
+			DeleteValidityStatus.SESSIONS_LINKED -> R.string.bankroll_relationship_error
+			DeleteValidityStatus.TRANSACTIONS_LINKED -> R.string.bankroll_relationship_error_transactions
+			else -> super.getFailedDeleteMessage(status)
+		}
+	}
 
-    override fun getFailedSaveMessage(status: SaveValidityStatus): Int {
-        return when (status) {
-            SaveValidityStatus.DATA_INVALID -> R.string.empty_name_for_br_error
-            SaveValidityStatus.ALREADY_EXISTS -> R.string.duplicate_bankroll_name_error
-            else -> super.getFailedSaveMessage(status)
-        }
-    }
+	override fun getFailedSaveMessage(status: SaveValidityStatus): Int {
+		return when (status) {
+			SaveValidityStatus.DATA_INVALID -> R.string.empty_name_for_br_error
+			SaveValidityStatus.ALREADY_EXISTS -> R.string.duplicate_bankroll_name_error
+			else -> super.getFailedSaveMessage(status)
+		}
+	}
 }

app/src/main/java/net/pokeranalytics/android/model/realm/Transaction.kt

@@ -10,10 +10,7 @@ import net.pokeranalytics.android.calculus.Stat
 import net.pokeranalytics.android.calculus.TextFormat
 import net.pokeranalytics.android.model.filter.Filterable
 import net.pokeranalytics.android.model.filter.QueryCondition
-import net.pokeranalytics.android.model.interfaces.DatedValue
-import net.pokeranalytics.android.model.interfaces.Manageable
-import net.pokeranalytics.android.model.interfaces.SaveValidityStatus
-import net.pokeranalytics.android.model.interfaces.TimeFilterable
+import net.pokeranalytics.android.model.interfaces.*
 import net.pokeranalytics.android.ui.adapter.StaticRowRepresentableDataSource
 import net.pokeranalytics.android.ui.graph.GraphUnderlyingEntry
 import net.pokeranalytics.android.ui.view.RowRepresentable
@@ -115,8 +112,8 @@ open class Transaction : RealmObject(), Manageable, StaticRowRepresentableDataSo
 		return true
 	}
 
-	override fun getFailedDeleteMessage(): Int {
-		TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+	override fun getFailedDeleteMessage(status: DeleteValidityStatus): Int {
+		return R.string.relationship_error
 	}
 
 	override fun getSaveValidityStatus(realm: Realm): SaveValidityStatus {

app/src/main/java/net/pokeranalytics/android/model/realm/TransactionType.kt

@@ -3,6 +3,8 @@ package net.pokeranalytics.android.model.realm
 import io.realm.Realm
 import io.realm.RealmObject
 import io.realm.annotations.PrimaryKey
+import net.pokeranalytics.android.R
+import net.pokeranalytics.android.model.interfaces.DeleteValidityStatus
 import net.pokeranalytics.android.model.interfaces.NameManageable
 import net.pokeranalytics.android.ui.adapter.StaticRowRepresentableDataSource
 import net.pokeranalytics.android.ui.view.RowRepresentable
@@ -88,11 +90,12 @@ open class TransactionType : RealmObject(), NameManageable, StaticRowRepresentab
 	}
 
 	override fun isValidForDelete(realm: Realm): Boolean {
-		TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+		return true
 	}
 
-	override fun getFailedDeleteMessage(): Int {
-		TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+	override fun getFailedDeleteMessage(status: DeleteValidityStatus): Int {
+		return R.string.relationship_error
 	}
+
 }
 

app/src/main/java/net/pokeranalytics/android/ui/activity/BankrollActivity.kt

@@ -69,8 +69,10 @@ class BankrollActivity : PokerAnalyticsActivity() {
             indexes.addAll(changeSet.insertions.toList())
             indexes.addAll(changeSet.deletions.toList())
             indexes.forEach { index ->
-                t[index]?.bankroll?.let { br ->
-                    bankrolls.add(br)
+                if (t.isNotEmpty()) {
+                    t[index]?.bankroll?.let { br ->
+                        bankrolls.add(br)
+                    }
                 }
             }
             this.computeBankrollReports(bankrolls)

app/src/main/java/net/pokeranalytics/android/ui/fragment/BankrollEditDataFragment.kt

@@ -3,8 +3,6 @@ package net.pokeranalytics.android.ui.fragment
 import android.app.Activity.RESULT_OK
 import android.content.Intent
 import android.os.Bundle
-import android.view.Menu
-import android.view.MenuInflater
 import android.view.View
 import net.pokeranalytics.android.R
 import net.pokeranalytics.android.api.CurrencyConverterApi
@@ -56,11 +54,6 @@ class BankrollEditDataFragment : EditableDataFragment(), StaticRowRepresentableD
 			} ?: false
 		}
 
-	override fun onCreateOptionsMenu(menu: Menu?, inflater: MenuInflater?) {
-		super.onCreateOptionsMenu(menu, inflater)
-		menu?.findItem(R.id.delete)?.isVisible = false
-	}
-
 	override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
 		super.onViewCreated(view, savedInstanceState)
 

app/src/main/java/net/pokeranalytics/android/ui/fragment/BankrollFragment.kt

@@ -9,6 +9,7 @@ import android.view.ViewGroup
 import androidx.appcompat.app.AlertDialog
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.github.mikephil.charting.data.LineDataSet
+import io.realm.Realm
 import io.realm.RealmObject
 import io.realm.RealmResults
 import kotlinx.android.synthetic.main.fragment_bankroll.*
@@ -34,7 +35,6 @@ import net.pokeranalytics.android.ui.activity.components.PokerAnalyticsActivity
 import net.pokeranalytics.android.ui.adapter.RowRepresentableAdapter
 import net.pokeranalytics.android.ui.adapter.RowRepresentableDelegate
 import net.pokeranalytics.android.ui.adapter.StaticRowRepresentableDataSource
-import net.pokeranalytics.android.ui.fragment.components.RealmFragment
 import net.pokeranalytics.android.ui.view.RowRepresentable
 import net.pokeranalytics.android.ui.view.RowViewType
 import net.pokeranalytics.android.ui.view.rowrepresentable.CustomizableRowRepresentable
@@ -43,7 +43,7 @@ import timber.log.Timber
 import java.util.*
 import kotlin.collections.ArrayList
 
-class BankrollFragment : RealmFragment(), StaticRowRepresentableDataSource, RowRepresentableDelegate {
+class BankrollFragment : DeletableItemFragment(), StaticRowRepresentableDataSource, RowRepresentableDelegate {
 
 	companion object {
 
@@ -153,6 +153,9 @@ class BankrollFragment : RealmFragment(), StaticRowRepresentableDataSource, RowR
 				val bankrolls = LiveData.BANKROLL.items(getRealm()) as RealmResults<Bankroll>
 
 				bankrolls.forEach {
+
+					Timber.d("Bankroll: ${it.name} => isValidForDelete: ${it.isValidForDelete(Realm.getDefaultInstance())}")
+
 					val bankrollReportSetup = BankrollReportSetup(it)
 					val bankrollReport = BankrollCalculator.computeReport(getRealm(), bankrollReportSetup)
 					val computedStat = ComputedStat(Stat.NET_RESULT, bankrollReport.total)
@@ -217,8 +220,10 @@ class BankrollFragment : RealmFragment(), StaticRowRepresentableDataSource, RowR
 
 		if (mRecentlyDeletedItem is Bankroll) {
 
+			val deletableItem = (mRecentlyDeletedItem as Deletable)
+
 			// Check if the object is valid for the deletion
-			if ((mRecentlyDeletedItem as Deletable).isValidForDelete(this.getRealm())) {
+			if (deletableItem.isValidForDelete(this.getRealm())) {
 				deletedItem = getRealm().copyFromRealm(mRecentlyDeletedItem)
 				getRealm().executeTransaction {
 					mRecentlyDeletedItem.deleteFromRealm()
@@ -231,8 +236,10 @@ class BankrollFragment : RealmFragment(), StaticRowRepresentableDataSource, RowR
 
 			} else {
 				bankrollAdapter.notifyItemChanged(position)
+				val status = deletableItem.getDeleteStatus(this.getRealm())
+				val errorMessage = deletableItem.getFailedDeleteMessage(status)
 				val builder = AlertDialog.Builder(requireContext())
-					.setMessage((mRecentlyDeletedItem as Deletable).getFailedDeleteMessage())
+					.setMessage(errorMessage)
 					.setNegativeButton(R.string.ok, null)
 				builder.show()
 			}

app/src/main/java/net/pokeranalytics/android/ui/fragment/EditableDataFragment.kt

@@ -192,7 +192,8 @@ open class EditableDataFragment : RealmFragment(), RowRepresentableDelegate {
 			activity?.setResult(RESULT_OK, intent)
 			activity?.finish()
 		} else {
-			val message = deletable.getFailedDeleteMessage()
+			val status = deletable.getDeleteStatus(realm)
+			val message = deletable.getFailedDeleteMessage(status)
 			val builder = AlertDialog.Builder(requireContext())
 				.setMessage(message)
 				.setNegativeButton(R.string.ok, null)