add a new CountableUsage interface

app/src/main/java/net/pokeranalytics/android/model/LiveData.kt

@@ -5,10 +5,14 @@ import io.realm.Realm
 import io.realm.RealmObject
 import io.realm.RealmResults
 import io.realm.Sort
+import io.realm.kotlin.where
 import net.pokeranalytics.android.R
+import net.pokeranalytics.android.model.interfaces.CountableUsage
 import net.pokeranalytics.android.model.interfaces.Manageable
+import net.pokeranalytics.android.model.interfaces.Timed
 import net.pokeranalytics.android.model.realm.*
 import net.pokeranalytics.android.ui.view.Localizable
+import timber.log.Timber
 
 /**
  * An enum managing the business objects related to a realm results
@@ -22,8 +26,26 @@ enum class LiveData : Localizable {
 	TRANSACTION_TYPE;
 
 	fun items(realm: Realm, fieldName: String? = null, sortOrder: Sort? = null): RealmResults<*> {
-		return realm.where(this.relatedEntity).findAll()
+		var results = realm.where(this.relatedEntity).findAll().sort(fieldName ?: this.sortingFieldName, sortOrder ?: this.sorting)
-			.sort(fieldName ?: this.sortingFieldName, sortOrder ?: this.sorting)
+
+		if (results.size > 0) {
+			if (results.first() is CountableUsage) {
+				this.setUseCount(realm, results)
+				return results.sort("useCount", Sort.DESCENDING)
+			}
+		}
+		return results
+	}
+
+	fun setUseCount(realm: Realm, realmResults: RealmResults<*>) {
+		realm.executeTransaction {
+			realmResults.forEach { countableUsage ->
+				(countableUsage as CountableUsage).useCount = it.where<Session>().equalTo(
+					"${relatedEntity.simpleName.toLowerCase()}.id",
+					countableUsage.uniqueIdentifier()
+				).count().toInt()
+			}
+		}
 	}
 
 	/**

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

@@ -0,0 +1,7 @@
+package net.pokeranalytics.android.model.interfaces
+
+interface CountableUsage : Identifiable {
+    var useCount: Int
+        get() { return 0 }
+        set(newValue) {}
+}

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

@@ -17,7 +17,6 @@ interface Identifiable {
 	 * A unique identifier getter
 	 */
 	fun uniqueIdentifier(): String
-
 }
 
 /**

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

@@ -1,18 +1,24 @@
 package net.pokeranalytics.android.model.realm
 
+import io.realm.Realm
 import io.realm.RealmObject
+import io.realm.RealmResults
+import io.realm.Sort
 import io.realm.annotations.PrimaryKey
+import io.realm.kotlin.where
 import net.pokeranalytics.android.R
+import net.pokeranalytics.android.model.interfaces.CountableUsage
 import net.pokeranalytics.android.model.interfaces.Manageable
 import net.pokeranalytics.android.ui.adapter.StaticRowRepresentableDataSource
 import net.pokeranalytics.android.ui.view.RowRepresentable
 import net.pokeranalytics.android.ui.view.RowRepresentableEditDescriptor
 import net.pokeranalytics.android.ui.view.rowrepresentable.GameRow
 import net.pokeranalytics.android.ui.view.rowrepresentable.SimpleRow
+import timber.log.Timber
 import java.util.*
 import kotlin.collections.ArrayList
 
-open class Game : RealmObject(), Manageable, StaticRowRepresentableDataSource, RowRepresentable {
+open class Game : RealmObject(), Manageable, StaticRowRepresentableDataSource, RowRepresentable, CountableUsage {
 
 	@PrimaryKey
 	var id = UUID.randomUUID().toString()
@@ -23,6 +29,9 @@ open class Game : RealmObject(), Manageable, StaticRowRepresentableDataSource, R
 	// A shorter name for the game
 	var shortName: String? = null
 
+	// CountableUsage
+	override var useCount: Int = 0
+
 	override fun getDisplayName(): String {
 		return this.name
 	}

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

@@ -5,6 +5,7 @@ import android.text.InputType
 import io.realm.Realm
 import io.realm.RealmList
 import io.realm.RealmObject
+import io.realm.Sort
 import io.realm.annotations.Ignore
 import io.realm.annotations.PrimaryKey
 import io.realm.kotlin.where

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

@@ -3,6 +3,7 @@ package net.pokeranalytics.android.model.realm
 import android.text.InputType
 import io.realm.RealmObject
 import io.realm.annotations.PrimaryKey
+import net.pokeranalytics.android.model.interfaces.CountableUsage
 import net.pokeranalytics.android.model.interfaces.Manageable
 import net.pokeranalytics.android.ui.adapter.StaticRowRepresentableDataSource
 import net.pokeranalytics.android.ui.view.RowRepresentable
@@ -12,7 +13,8 @@ import net.pokeranalytics.android.ui.view.rowrepresentable.TournamentFeatureRow
 import java.util.*
 import kotlin.collections.ArrayList
 
-open class TournamentFeature : RealmObject(), Manageable, StaticRowRepresentableDataSource, RowRepresentable {
+open class TournamentFeature : RealmObject(), Manageable, StaticRowRepresentableDataSource, RowRepresentable,
+    CountableUsage {
 
     @PrimaryKey
     var id = UUID.randomUUID().toString()
@@ -20,6 +22,9 @@ open class TournamentFeature : RealmObject(), Manageable, StaticRowRepresentable
     // The name of the feature
     var name: String = ""
 
+    // CountableUsage
+    override var useCount: Int = 0
+
     override fun getDisplayName(): String {
         return this.name
     }