Filters now accept both regular and inverted at the same time

Author: WillFP

core/common/src/main/kotlin/com/willfp/libreforge/filters/Filter.kt

@@ -36,13 +36,18 @@ abstract class Filter<T, V>(
     ): Boolean {
         val cfg = config.config
 
-        val isInverted = config.isInverted ?: return true
+        val types = config.types
+        val results = mutableSetOf<Boolean>()
 
-        return if (isInverted) {
-            !isMet(data, getValue(cfg, data, "not_$id"), config.compileData)
-        } else {
-            isMet(data, getValue(cfg, data, id), config.compileData)
+        if (FilterType.REGULAR in types) {
+            results += isMet(data, getValue(cfg, data, id), config.compileData)
         }
+
+        if (FilterType.INVERTED in types) {
+            results += !isMet(data, getValue(cfg, data, "not_$id"), config.compileData)
+        }
+
+        return results.all { it }
     }
 
     /**

core/common/src/main/kotlin/com/willfp/libreforge/filters/FilterBlock.kt

@@ -3,6 +3,7 @@ package com.willfp.libreforge.filters
 import com.willfp.eco.core.config.interfaces.Config
 import com.willfp.libreforge.Compiled
 import com.willfp.libreforge.triggers.TriggerData
+import java.util.EnumSet
 
 /**
  * A single filter config block.
@@ -12,17 +13,23 @@ class FilterBlock<T, V> internal constructor(
     override val config: Config,
     override val compileData: T
 ) : Compiled<T> {
-    val isInverted: Boolean? by lazy {
+    val types: EnumSet<FilterType> by lazy {
         val cfg = config
 
         val regularPresent = cfg.has(filter.id)
         val inversePresent = cfg.has("not_${filter.id}")
 
-        if (!regularPresent && !inversePresent) {
-            null
-        } else {
-            inversePresent
+        val inversions = mutableSetOf<FilterType>()
+
+        if (regularPresent) {
+            inversions.add(FilterType.REGULAR)
+        }
+
+        if (inversePresent) {
+            inversions.add(FilterType.INVERTED)
         }
+
+        EnumSet.copyOf(inversions)
     }
 
     fun isMet(data: TriggerData) =

core/common/src/main/kotlin/com/willfp/libreforge/filters/FilterType.kt

@@ -0,0 +1,6 @@
+package com.willfp.libreforge.filters
+
+enum class FilterType {
+    INVERTED,
+    REGULAR,
+}