add month and year comparator

app/src/main/java/net/pokeranalytics/android/model/comparison/Comparator.kt

@@ -2,21 +2,38 @@ package net.pokeranalytics.android.model.comparison
 
 import io.realm.Realm
 import io.realm.RealmQuery
+import io.realm.Sort
 import io.realm.kotlin.where
 import net.pokeranalytics.android.exceptions.PokerAnalyticsException
 import net.pokeranalytics.android.model.filter.Filterable
 import net.pokeranalytics.android.model.filter.QueryCondition
+import net.pokeranalytics.android.model.realm.Session
 
 enum class Comparator {
     DAY_OF_WEEK,
+    MONTH_OF_YEAR,
     MONTH,
+    YEAR,
     BLIND,
     ;
 
     val queryConditions: List<QueryCondition>
         get() {
             return when (this) {
+                MONTH_OF_YEAR -> List(12) { index-> QueryCondition.MONTH().apply { setMonth(index+1) } }
                 DAY_OF_WEEK -> listOf()
+                YEAR -> {
+                    val years = arrayListOf<QueryCondition.YEAR>()
+                    val realm = Realm.getDefaultInstance()
+                    val distinctYears = realm.where<Session>().distinct("year").findAll().sort("year", Sort.DESCENDING)
+                    distinctYears.forEach { session ->
+                        session.year?.let { year ->
+                            years.add(QueryCondition.YEAR().apply { setYear(year) })
+                        }
+                    }
+                    realm.close()
+                    years
+                }
                 else -> throw PokerAnalyticsException.QueryTypeUnhandled
             }
         }

app/src/main/java/net/pokeranalytics/android/model/filter/QueryCondition.kt

@@ -81,8 +81,16 @@ sealed class QueryCondition(var operator: Operator? = null) {
     class ENDED_FROM_DATE: QueryCondition()
     class ENDED_TO_DATE: QueryCondition()
     class DAY_OF_WEEK: QueryCondition()
-    class MONTH: QueryCondition()
-    class YEAR: QueryCondition()
+    class MONTH: QueryCondition() {
+        fun setMonth(month:Int) {
+            this.valueMap = mapOf("month" to month)
+        }
+    }
+    class YEAR: QueryCondition() {
+        fun setYear(year:Int) {
+            this.valueMap = mapOf("year" to year)
+        }
+    }
     object WEEK_DAY: QueryCondition()
     object WEEK_END: QueryCondition()
     object TODAY: QueryCondition()
@@ -114,7 +122,7 @@ sealed class QueryCondition(var operator: Operator? = null) {
             }
             return field
         }
-        private set
+        protected set
 
     private val filterValuesExpectedKeys : Array<String>?
         get() {