Feat: 태그 사용 회수 DB에 반영되는 기능

easyhooon · Jun 20, 2021 · 205ac63 · 205ac63
1 parent 2641c37
commit 205ac63
Showing 1 changed file with 22 additions and 0 deletions.
diff --git a/app/src/main/java/kr/ac/konkuk/koogle/Activity/AddArticleActivity.kt b/app/src/main/java/kr/ac/konkuk/koogle/Activity/AddArticleActivity.kt
@@ -358,6 +358,7 @@ class AddArticleActivity : AppCompatActivity() {
  tags[value.main_tag_name] = newTag
  }
  article[DB_MAIN_TAGS] = tags
+ pushDBTag()
  }
 
 // currentArticleRef.updateChildren(article)
@@ -367,6 +368,27 @@ class AddArticleActivity : AppCompatActivity() {
  finish()
  }
 
+ // 전체 Tag DB 에 Tag 변경사항 반영 (사용 횟수 증가)
+ private fun pushDBTag(){
+ var tagRef = Firebase.database.reference.child(DBKeys.DB_MAIN_TAGS)
+
+ for ((key, value) in tagRecyclerAdapter.data) {
+ tagRef.child(key)
+ .addListenerForSingleValueEvent(object : ValueEventListener {
+ override fun onDataChange(snapshot: DataSnapshot) {
+ // DB 에 같은 값이 있음: 사용 회수 증가
+ if (snapshot.childrenCount > 0) {
+ // 사용 회수 의미적으로 증가(=감소)
+ tagRef.child(key).child(DBKeys.USED).setValue(
+ snapshot.child(DBKeys.USED).value.toString().toInt() - 1
+ )
+ }
+ }
+ override fun onCancelled(error: DatabaseError) {}
+ })
+ }
+ }
+
  private fun updateImage(uri: String) {
  if (isFirstImageUpdate) {
  articleRef.child(articleId).child(ARTICLE_THUMBNAIL_IMAGE_URL).setValue(uri)