Fix crash due to remaining blind filters in databases

app/src/main/java/net/pokeranalytics/android/model/migrations/Patcher.kt

@@ -41,6 +41,9 @@ class Patcher {
 			Preferences.executeOnce(Preferences.Keys.PATCH_NEGATIVE_LIMITS, context) {
 				patchNegativeLimits()
 			}
+			Preferences.executeOnce(Preferences.Keys.CLEAN_BLINDS_FILTERS, context) {
+				cleanBlindsFilters()
+			}
 
 			Preferences.executeOnce(Preferences.Keys.ADD_NEW_TRANSACTION_TYPES, context) {
 
@@ -164,6 +167,17 @@ class Patcher {
 			realm.close()
 		}
 
+		private fun cleanBlindsFilters() {
+			val realm = Realm.getDefaultInstance()
+			realm.executeTransaction {
+				val blindFilterConditions = realm.where(FilterCondition::class.java).equalTo("filterName", "AnyBlind").findAll()
+				val filterIds = blindFilterConditions.mapNotNull { it.filters?.firstOrNull() }.map { it.id }
+				val filters = realm.where(Filter::class.java).`in`("id", filterIds.toTypedArray()).findAll()
+				filters.deleteAllFromRealm()
+			}
+			realm.close()
+		}
+
 		/*
 		02/09/19: A bug with the session set management made them kept instead of deleted,
 		thus making duration calculation wrong

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

@@ -2,11 +2,12 @@ package net.pokeranalytics.android.model.realm
 
 import io.realm.RealmList
 import io.realm.RealmObject
+import io.realm.RealmResults
+import io.realm.annotations.LinkingObjects
 import net.pokeranalytics.android.exceptions.PokerAnalyticsException
 import net.pokeranalytics.android.model.filter.QueryCondition
 import net.pokeranalytics.android.ui.view.rows.FilterSectionRow
 import java.util.*
-import kotlin.collections.ArrayList
 
 open class FilterCondition() : RealmObject() {
 
@@ -49,6 +50,9 @@ open class FilterCondition() : RealmObject() {
     var stringValue: String? = null
     var operator: Int? = null
 
+    @LinkingObjects("filterConditions")
+    val filters: RealmResults<Filter>? = null
+
     inline fun <reified T> getValues(): ArrayList <T> {
         return when (T::class) {
             Int::class -> ArrayList<T>().apply { intValues?.map { add(it as T) } }

app/src/main/java/net/pokeranalytics/android/util/Preferences.kt

@@ -44,7 +44,8 @@ class Preferences {
 		SHOW_BLOG_TIPS("showBlogTips"),
 		LAST_REVIEW_REQUEST_DATE("lastReviewRequestDate"),
 		PATCH_NEGATIVE_LIMITS("negativeLimits"),
-		PATCH_STAKES("patchStakes")
+		PATCH_STAKES("patchStakes"),
+		CLEAN_BLINDS_FILTERS("deleteBlindsFilters")
 	}
 
 	enum class FeedMessage {