feat: Search skills in category fragments (#2215)

* Logic implemented

* Search functionality fully implemented

* UI Improved

* Search icon issue solved

* Circle ci fix

Author: atm1504

app/src/main/java/org/fossasia/susi/ai/skills/groupwiseskills/GroupWiseSkillsFragment.kt

@@ -7,19 +7,24 @@ import android.support.v4.app.Fragment
 import android.support.v4.widget.SwipeRefreshLayout
 import android.support.v7.widget.LinearLayoutManager
 import android.support.v7.widget.SnapHelper
+import android.view.KeyEvent
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
 import kotlinx.android.synthetic.main.fragment_group_wise_skill_listing.*
 import org.fossasia.susi.ai.R
 import org.fossasia.susi.ai.dataclasses.GroupWiseSkills
 import org.fossasia.susi.ai.helper.SimpleDividerItemDecoration
 import org.fossasia.susi.ai.helper.StartSnapHelper
+import org.fossasia.susi.ai.rest.responses.susi.SkillData
 import org.fossasia.susi.ai.skills.SkillFragmentCallback
 import org.fossasia.susi.ai.skills.groupwiseskills.adapters.recycleradapters.SkillsListAdapter
 import org.fossasia.susi.ai.skills.groupwiseskills.contract.IGroupWiseSkillsPresenter
 import org.fossasia.susi.ai.skills.groupwiseskills.contract.IGroupWiseSkillsView
+import org.fossasia.susi.ai.skills.skillSearch.SearchSkillFragment
 import timber.log.Timber
+import kotlin.collections.ArrayList
 
 /**
  *
@@ -31,6 +36,7 @@ class GroupWiseSkillsFragment : Fragment(), IGroupWiseSkillsView, SwipeRefreshLa
     private var skills = GroupWiseSkills("", ArrayList())
     private lateinit var skillsAdapter: SkillsListAdapter
     private lateinit var skillCallback: SkillFragmentCallback
+    private var isSearching: Boolean = false
 
     companion object {
         private const val SKILL_GROUP = "group"
@@ -59,6 +65,12 @@ class GroupWiseSkillsFragment : Fragment(), IGroupWiseSkillsView, SwipeRefreshLa
         swipeRefreshLayout.setOnRefreshListener(this)
         setUPAdapter()
         groupWiseSkillsPresenter.getSkills(swipeRefreshLayout.isRefreshing, skills.group)
+        isSearching = true
+        skillWiseSearchEdit.visibility = View.GONE
+        searchSkillGroupWise.visibility = View.VISIBLE
+        searchSkillGroupWise.setOnClickListener {
+            handleSearchAction()
+        }
         super.onViewCreated(view, savedInstanceState)
     }
 
@@ -77,6 +89,60 @@ class GroupWiseSkillsFragment : Fragment(), IGroupWiseSkillsView, SwipeRefreshLa
         progressSkillWait.visibility = if (boolean) View.VISIBLE else View.GONE
     }
 
+    fun handleSearchAction() {
+        if (isSearching == false || skillWiseSearchEdit.getVisibility() == View.VISIBLE) {
+            skillWiseSearchEdit.setVisibility(View.GONE)
+        } else {
+            skillWiseSearchEdit.setVisibility(View.VISIBLE)
+            handleSearch()
+        }
+    }
+
+    fun handleSearch() {
+        skillWiseSearchEdit?.setOnKeyListener { v, keyCode, event ->
+            if (keyCode == KeyEvent.KEYCODE_ENTER && event.action == KeyEvent.ACTION_UP && skillWiseSearchEdit?.text.toString().isNotEmpty()) {
+                performSearch(skillWiseSearchEdit?.text.toString())
+            }
+            true
+        }
+        skillWiseSearchEdit?.requestFocus()
+        isSearching = true
+    }
+
+    fun performSearch(query: String): Boolean {
+
+        var searchedSkillsList: ArrayList<SkillData> = arrayListOf()
+
+        if (skills.skillsList.isEmpty()) {
+            Toast.makeText(context, R.string.skill_empty, Toast.LENGTH_SHORT).show()
+            return true
+        }
+
+        for (skill in skills.skillsList) {
+            if (skill.skillName != "" && skill.skillName != null) {
+                if (skill.skillName.toLowerCase().contains(query.toLowerCase())) {
+                    searchedSkillsList.add(skill)
+                }
+            }
+        }
+        Timber.d(searchedSkillsList.toString())
+        if (searchedSkillsList.isEmpty()) {
+            Toast.makeText(context, R.string.skill_not_found, Toast.LENGTH_SHORT).show()
+            return false
+        }
+
+        loadSearchSkillsFragment(searchedSkillsList, query)
+        return true
+    }
+
+    private fun loadSearchSkillsFragment(searchedSkills: ArrayList<SkillData>, searchQuery: String) {
+        val skillSearchFragment = SearchSkillFragment.newInstance(searchedSkills, searchQuery)
+        fragmentManager?.beginTransaction()
+                ?.add(R.id.fragment_container, skillSearchFragment)
+                ?.addToBackStack(SearchSkillFragment().toString())
+                ?.commit()
+    }
+
     override fun showEmptySkillsListMessage() {
         if (activity != null) {
             swipeRefreshLayout.isRefreshing = false

app/src/main/res/layout/fragment_group_wise_skill_listing.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
     android:id="@+id/swipeRefreshLayout"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
@@ -17,6 +18,30 @@
             android:layout_height="match_parent"
             android:scrollbars="vertical" />
 
+        <android.support.design.widget.FloatingActionButton
+            android:id="@+id/searchSkillGroupWise"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content"
+            android:background="@drawable/ic_open_search"
+            android:layout_gravity="right"
+            android:layout_margin="@dimen/margin_moderate"
+            android:visibility="gone"
+            app:backgroundTint="@color/md_white_1000"
+            app:fabSize="mini"
+            app:srcCompat="@drawable/ic_open_search" />
+
+        <EditText
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginRight="@dimen/margin_extremely_large"
+            android:layout_gravity="left"
+            android:layout_marginTop="@dimen/margin_small"
+            android:layout_marginLeft="@dimen/margin_small"
+            android:padding="@dimen/padding_moderate"
+            android:background="@color/browser_actions_bg_grey"
+            android:visibility="gone"
+            android:id="@+id/skillWiseSearchEdit" />
+
         <ProgressBar
             android:id="@+id/progressSkillWait"
             android:layout_width="@dimen/progress_bar_size"