feat: Add permission collector

1 files changed, 60 insertions, 0 deletions

diff --git a/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/common/PermissionCollector.kt b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/common/PermissionCollector.kt
new file mode 100644
index 0000000..4edfe34
--- /dev/null
+++ b/platform-paper/src/main/kotlin/dev/m1sk9/lunaticChat/paper/common/PermissionCollector.kt
@@ -0,0 +1,60 @@
+package dev.m1sk9.lunaticChat.paper.common
+
+import dev.m1sk9.lunaticChat.engine.exception.RequirePermissionException
+import dev.m1sk9.lunaticChat.engine.permission.LunaticChatPermissionNode
+import org.bukkit.entity.Player
+
+@DslMarker
+annotation class PermissionDsl
+
+@PermissionDsl
+class PermissionCollector {
+    internal val permissions = mutableListOf<LunaticChatPermissionNode>()
+
+    operator fun LunaticChatPermissionNode.unaryPlus() {
+        permissions.add(this)
+    }
+}
+
+fun LunaticChatPermissionNode.has(player: Player): Boolean = player.hasPermission(this.permissionNode)
+
+/**
+ * Checks if the player has at least one of the specified permissions.
+ *
+ * @param block A lambda with receiver to collect permissions.
+ * @return `true` if the player has at least one of the specified permissions.
+ */
+fun Player.hasAnyPermission(block: PermissionCollector.() -> Unit): Boolean =
+    PermissionCollector()
+        .apply(block)
+        .permissions
+        .any { it.has(this) }
+
+/**
+ * Checks if the player has all the specified permissions.
+ *
+ * @param block A lambda with receiver to collect permissions.
+ * @return `true` if the player has all the specified permissions.
+ */
+fun Player.hasAllPermission(block: PermissionCollector.() -> Unit): Boolean =
+    PermissionCollector()
+        .apply(block)
+        .permissions
+        .all { it.has(this) }
+
+/**
+ * Requires the player to have at least one of the specified permissions.
+ *
+ * @param block A lambda with receiver to collect permissions.
+ * @return Throws [RequirePermissionException] if the player lacks all specified permissions.
+ * @throws RequirePermissionException if the player lacks all specified permissions.
+ */
+fun Player.requirePermission(block: PermissionCollector.() -> Unit) {
+    val result =
+        PermissionCollector()
+            .apply(block)
+            .permissions
+    if (!result.any { it.has(this) }) {
+        throw RequirePermissionException(result)
+    }
+}