From b8eb569cc184adee4d5e69fe1aec7449d57cb243 Mon Sep 17 00:00:00 2001
From: sya-ri <git@s7a.dev>
Date: Sat, 9 Apr 2022 19:26:51 +0900
Subject: [PATCH] =?UTF-8?q?feat:=20editLore=20=E3=82=92=E8=BF=BD=E5=8A=A0?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../kotlin/dev/s7a/ktspigot/item/extension.kt | 24 +++++++
 src/test/kotlin/util/ItemTest.kt              | 62 +++++++++++++++++++
 2 files changed, 86 insertions(+)

diff --git a/api/v1_8/src/main/kotlin/dev/s7a/ktspigot/item/extension.kt b/api/v1_8/src/main/kotlin/dev/s7a/ktspigot/item/extension.kt
index 3f54735f..cc787b2f 100644
--- a/api/v1_8/src/main/kotlin/dev/s7a/ktspigot/item/extension.kt
+++ b/api/v1_8/src/main/kotlin/dev/s7a/ktspigot/item/extension.kt
@@ -76,6 +76,30 @@ inline fun <reified T : ItemMeta> ItemStack.editItemMeta(action: T.() -> Unit):
     }
 }
 
+/**
+ * アイテムの説明文を変更する
+ *
+ * @param altColorChar [color] に使う文字 / '&'
+ * @param action 説明文の変更処理
+ * @since 1.0.0
+ */
+inline fun ItemMeta.editLore(altColorChar: Char? = '&', action: MutableList<String>.() -> Unit) {
+    lore = loreOrNull.orEmpty().toMutableList().apply(action).color(altColorChar)
+}
+
+/**
+ * アイテムの説明文が存在するならば変更する
+ *
+ * @param altColorChar [color] に使う文字 / '&'
+ * @param action 説明文の変更処理
+ * @return 説明文を変更できたら true
+ * @since 1.0.0
+ */
+inline fun ItemMeta.editLoreIfHas(altColorChar: Char? = '&', action: MutableList<String>.() -> Unit): Boolean {
+    lore = loreOrNull?.toMutableList()?.apply(action)?.color(altColorChar) ?: return false
+    return true
+}
+
 /**
  * [ItemStack] を生成する
  *
diff --git a/src/test/kotlin/util/ItemTest.kt b/src/test/kotlin/util/ItemTest.kt
index 49854202..8837c96a 100644
--- a/src/test/kotlin/util/ItemTest.kt
+++ b/src/test/kotlin/util/ItemTest.kt
@@ -4,6 +4,8 @@ import dev.s7a.ktspigot.KtSpigotTest
 import dev.s7a.ktspigot.item.customModelDataOrNull
 import dev.s7a.ktspigot.item.displayNameOrNull
 import dev.s7a.ktspigot.item.editItemMeta
+import dev.s7a.ktspigot.item.editLore
+import dev.s7a.ktspigot.item.editLoreIfHas
 import dev.s7a.ktspigot.item.itemStack
 import dev.s7a.ktspigot.item.localizedNameOrNull
 import dev.s7a.ktspigot.item.loreOrNull
@@ -122,6 +124,66 @@ class ItemTest {
         assertEquals(expected, meta.loreOrNull)
     }
 
+    @Test
+    fun `lore can be edit`() {
+        val expected = List(5) { randomString() }
+        val itemStack = ItemStack(Material.STONE)
+        assertNull(itemStack.loreOrNull)
+        itemStack.editItemMeta {
+            lore = expected.take(2)
+        }
+        assertNotEquals(expected, itemStack.loreOrNull)
+        itemStack.editItemMeta {
+            editLore {
+                addAll(expected.takeLast(3))
+            }
+        }
+        assertEquals(expected, itemStack.loreOrNull)
+    }
+
+    @Test
+    fun `lore can be edit using editLoreIfHas`() {
+        val expected = List(5) { randomString() }
+        val itemStack = ItemStack(Material.STONE)
+        assertNull(itemStack.loreOrNull)
+        itemStack.editItemMeta {
+            lore = expected.take(2)
+        }
+        assertNotEquals(expected, itemStack.loreOrNull)
+        itemStack.editItemMeta {
+            editLoreIfHas {
+                addAll(expected.takeLast(3))
+            }.let(::assertTrue)
+        }
+        assertEquals(expected, itemStack.loreOrNull)
+    }
+
+    @Test
+    fun `lore cannot be edit using editLoreIfHas`() {
+        val expected = List(5) { randomString() }
+        val itemStack = ItemStack(Material.STONE)
+        assertNull(itemStack.loreOrNull)
+        itemStack.editItemMeta {
+            editLoreIfHas {
+                addAll(expected)
+            }.let(::assertFalse)
+        }
+        assertNull(itemStack.loreOrNull)
+    }
+
+    @Test
+    fun `lore can be set using editLore`() {
+        val expected = List(5) { randomString() }
+        val itemStack = ItemStack(Material.STONE)
+        assertNull(itemStack.loreOrNull)
+        itemStack.editItemMeta {
+            editLore {
+                addAll(expected)
+            }
+        }
+        assertEquals(expected, itemStack.loreOrNull)
+    }
+
     @Test
     fun `localizedName can be get`() {
         val expected = randomString()