Search Article containing Specific Tags

easyhooon · Jun 20, 2021 · b38c9a9 · b38c9a9
1 parent 78bf81f
commit b38c9a9
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Showing 4 changed files with 74 additions and 7 deletions.
diff --git a/.idea/misc.xml b/.idea/misc.xml
diff --git a/app/src/main/java/kr/ac/konkuk/koogle/Activity/ArticleActivity.kt b/app/src/main/java/kr/ac/konkuk/koogle/Activity/ArticleActivity.kt
@@ -47,6 +47,7 @@ import kr.ac.konkuk.koogle.DBKeys.Companion.DB_GROUPS
 import kr.ac.konkuk.koogle.DBKeys.Companion.DB_MAIN_TAGS
 import kr.ac.konkuk.koogle.DBKeys.Companion.DB_USERS
 import kr.ac.konkuk.koogle.DBKeys.Companion.GROUP_ID
+import kr.ac.konkuk.koogle.DBKeys.Companion.TAG_INDEX
 import kr.ac.konkuk.koogle.DBKeys.Companion.USER_EMAIL
 import kr.ac.konkuk.koogle.DBKeys.Companion.USER_ID
 import kr.ac.konkuk.koogle.DBKeys.Companion.USER_NAME
@@ -426,7 +427,7 @@ class ArticleActivity : AppCompatActivity() {
  private fun initRecyclerView(){
  // DB 에서 게시글 태그 데이터 받아옴
  val tagData: ArrayList<TagModel> = arrayListOf()
- currentArticleRef.child(DB_MAIN_TAGS).orderByChild(DBKeys.TAG_INDEX)
+ currentArticleRef.child(DB_MAIN_TAGS).orderByChild(TAG_INDEX)
  .limitToFirst(MAXSHOWTAG).addListenerForSingleValueEvent(object:ValueEventListener{
  override fun onDataChange(snapshot: DataSnapshot) {
  for(s in snapshot.children){

diff --git a/app/src/main/java/kr/ac/konkuk/koogle/Fragment/CommunityFragment.kt b/app/src/main/java/kr/ac/konkuk/koogle/Fragment/CommunityFragment.kt
@@ -3,6 +3,7 @@ package kr.ac.konkuk.koogle.Fragment
 import android.content.Intent
 import android.os.Bundle
 import android.provider.ContactsContract
+import android.text.TextUtils
 import android.util.Log
 import androidx.fragment.app.Fragment
 import android.view.LayoutInflater
@@ -13,20 +14,21 @@ import androidx.recyclerview.widget.DividerItemDecoration
 import androidx.recyclerview.widget.LinearLayoutManager
 import com.google.firebase.auth.FirebaseAuth
 import com.google.firebase.auth.ktx.auth
-import com.google.firebase.database.ChildEventListener
-import com.google.firebase.database.DataSnapshot
-import com.google.firebase.database.DatabaseError
-import com.google.firebase.database.DatabaseReference
+import com.google.firebase.database.*
 import com.google.firebase.database.ktx.database
 import com.google.firebase.ktx.Firebase
 import kr.ac.konkuk.koogle.Activity.AddArticleActivity
 import kr.ac.konkuk.koogle.Activity.ArticleActivity
 import kr.ac.konkuk.koogle.Activity.LogInActivity
 import kr.ac.konkuk.koogle.Adapter.CommunityAdapter
+import kr.ac.konkuk.koogle.DBKeys
 import kr.ac.konkuk.koogle.DBKeys.Companion.ARTICLE_ID
 import kr.ac.konkuk.koogle.DBKeys.Companion.DB_ARTICLES
+import kr.ac.konkuk.koogle.DBKeys.Companion.DB_MAIN_TAGS
 import kr.ac.konkuk.koogle.DBKeys.Companion.DB_USERS
+import kr.ac.konkuk.koogle.DBKeys.Companion.SUB_TAGS
 import kr.ac.konkuk.koogle.Model.ArticleModel
+import kr.ac.konkuk.koogle.Model.TagModel
 import kr.ac.konkuk.koogle.R
 import kr.ac.konkuk.koogle.databinding.FragmentCommunityBinding
 
@@ -38,6 +40,7 @@ class CommunityFragment : Fragment(R.layout.fragment_community) {
  private lateinit var communityAdapter: CommunityAdapter
 
  private val articleList = mutableListOf<ArticleModel>()
+ private var searchedArticleList = mutableListOf<ArticleModel>()
 
  private val auth: FirebaseAuth by lazy {
  Firebase.auth
@@ -156,6 +159,67 @@ class CommunityFragment : Fragment(R.layout.fragment_community) {
  //startActivity(Intent(requireContext(),ArticleAddActivity::class.java))
  }
  }
+
+ binding!!.searchImageView.setOnClickListener {
+ val searchText = binding!!.searchEditText.text.toString()
+ val articleRef = Firebase.database.reference.child(DB_ARTICLES)
+
+ if (searchText.isEmpty()) {
+ articleRef.addListenerForSingleValueEvent(object : ValueEventListener {
+ override fun onDataChange(snapshot: DataSnapshot) {
+ articleList.clear()
+ for (article in snapshot.children) {
+ articleList.add(0, article.getValue(ArticleModel::class.java)!!)
+ }
+ communityAdapter.submitList(articleList)
+ communityAdapter.notifyDataSetChanged()
+ }
+
+ override fun onCancelled(error: DatabaseError) {
+
+ }
+
+ })
+ } else {
+ searchedArticleList.clear()
+ articleRef.addListenerForSingleValueEvent(object : ValueEventListener {
+ override fun onDataChange(snapshot: DataSnapshot) {
+ for (article in snapshot.children) {
+ for (tag in article.child(DB_MAIN_TAGS).children) {
+ var isContain = false
+ if (searchText in tag.key.toString()) {
+ searchedArticleList.add(
+ 0,
+ article.getValue(ArticleModel::class.java)!!
+ )
+ break
+ }
+ for (subtag in tag.child(SUB_TAGS).children) {
+ if (searchText in subtag.key.toString()) {
+ searchedArticleList.add(
+ 0,
+ article.getValue(ArticleModel::class.java)!!
+ )
+ isContain = true
+ break
+ }
+ }
+ if (isContain) {
+ break
+ }
+ }
+ }
+ communityAdapter.submitList(searchedArticleList)
+ communityAdapter.notifyDataSetChanged()
+ }
+
+ override fun onCancelled(error: DatabaseError) {
+
+ }
+
+ })
+ }
+ }
  }
 
  override fun onResume() {

diff --git a/app/src/main/res/layout/fragment_community.xml b/app/src/main/res/layout/fragment_community.xml
@@ -29,8 +29,10 @@
  android:id="@+id/searchEditText"
  android:layout_width="0dp"
  android:layout_height="match_parent"
+ android:layout_gravity="center_vertical"
  android:layout_weight="6"
- android:layout_gravity="center_vertical"/>
+ android:hint="제목, 글 내용, 태그 등"
+ android:inputType="textNoSuggestions"/>
 
  <ImageView
  android:id="@+id/settingImageView"