From 29bd9953e17d308cc45e443f3b3ac740332fb276 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=89=B4=E5=AE=A2?= <oschina.net@gmail.com>
Date: Tue, 28 May 2019 16:41:21 +0800
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---
 java/CheckExist.java | 28 ++++++++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 java/CheckExist.java

diff --git a/java/CheckExist.java b/java/CheckExist.java
new file mode 100644
index 0000000..e03cea4
--- /dev/null
+++ b/java/CheckExist.java
@@ -0,0 +1,28 @@
+/**
+ * 是否收藏(有没有感觉这段代码特别特别啰嗦，不够简洁）
+ * @param articleKey
+ * @param user
+ * @return
+ */
+public boolean isFavorite(String articleKey, User user) {
+    boolean isFavorite = false;
+    if (user == null) {
+        return false;
+    }
+    long userId = user.getId();
+    Article article = getByArticleKey(articleKey);
+    if (null == article) {
+        return false;
+    }
+    List<Long> list = listAttentionUsers(article);
+    if (list == null || list.size() <= 0) {
+        return false;
+    }
+    for (Long id : list) {
+        if (id == userId) {
+            isFavorite = true;
+            break;
+        }
+    }
+    return isFavorite;
+}
-- 
Gitee