LibreTube/app/src/main/java/com/github/libretube/fragments/SearchFragment.kt
2022-07-02 18:23:24 +02:00

292 lines
11 KiB
Kotlin

package com.github.libretube.fragments
import android.content.Context
import android.os.Bundle
import android.text.Editable
import android.text.TextWatcher
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.view.WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN
import android.view.inputmethod.EditorInfo
import android.view.inputmethod.InputMethodManager
import android.widget.EditText
import android.widget.TextView.GONE
import android.widget.TextView.OnEditorActionListener
import android.widget.TextView.VISIBLE
import androidx.fragment.app.Fragment
import androidx.lifecycle.lifecycleScope
import androidx.recyclerview.widget.GridLayoutManager
import androidx.recyclerview.widget.LinearLayoutManager
import com.github.libretube.R
import com.github.libretube.activities.hideKeyboard
import com.github.libretube.adapters.SearchAdapter
import com.github.libretube.adapters.SearchHistoryAdapter
import com.github.libretube.adapters.SearchSuggestionsAdapter
import com.github.libretube.databinding.FragmentSearchBinding
import com.github.libretube.preferences.PreferenceHelper
import com.github.libretube.util.RetrofitInstance
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import retrofit2.HttpException
import java.io.IOException
class SearchFragment : Fragment() {
private val TAG = "SearchFragment"
private lateinit var binding: FragmentSearchBinding
private var selectedFilter = 0
private var apiSearchFilter = "all"
private var nextPage: String? = null
private var searchAdapter: SearchAdapter? = null
private var isLoading: Boolean = true
private var isFetchingSearch: Boolean = false
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
arguments?.let {
}
}
override fun onCreateView(
inflater: LayoutInflater,
container: ViewGroup?,
savedInstanceState: Bundle?
): View {
binding = FragmentSearchBinding.inflate(layoutInflater, container, false)
return binding.root
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
var tempSelectedItem = 0
binding.clearSearchImageView.setOnClickListener {
binding.autoCompleteTextView.text.clear()
}
binding.filterMenuImageView.setOnClickListener {
val filterOptions = arrayOf(
getString(R.string.all),
getString(R.string.videos),
getString(R.string.channels),
getString(R.string.playlists),
getString(R.string.music_songs),
getString(R.string.music_videos),
getString(R.string.music_albums),
getString(R.string.music_playlists)
)
MaterialAlertDialogBuilder(view.context)
.setTitle(getString(R.string.choose_filter))
.setSingleChoiceItems(filterOptions, selectedFilter) { _, id ->
tempSelectedItem = id
}
.setPositiveButton(
getString(R.string.okay)
) { _, _ ->
selectedFilter = tempSelectedItem
apiSearchFilter = when (selectedFilter) {
0 -> "all"
1 -> "videos"
2 -> "channels"
3 -> "playlists"
4 -> "music_songs"
5 -> "music_videos"
6 -> "music_albums"
7 -> "music_playlists"
else -> "all"
}
fetchSearch(binding.autoCompleteTextView.text.toString())
}
.setNegativeButton(getString(R.string.cancel), null)
.create()
.show()
}
// show search history
binding.historyRecycler.layoutManager = LinearLayoutManager(view.context)
showHistory()
binding.searchRecycler.layoutManager = GridLayoutManager(view.context, 1)
binding.autoCompleteTextView.requestFocus()
val imm =
requireContext().getSystemService(Context.INPUT_METHOD_SERVICE) as InputMethodManager
imm.showSoftInput(binding.autoCompleteTextView, InputMethodManager.SHOW_IMPLICIT)
binding.autoCompleteTextView.addTextChangedListener(object : TextWatcher {
override fun beforeTextChanged(
s: CharSequence?,
start: Int,
count: Int,
after: Int
) {
}
override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
if (s!! != "") {
binding.searchRecycler.adapter = null
binding.searchRecycler.viewTreeObserver
.addOnScrollChangedListener {
if (!binding.searchRecycler.canScrollVertically(1)) {
fetchNextSearchItems(binding.autoCompleteTextView.text.toString())
}
}
fetchSuggestions(s.toString(), binding.autoCompleteTextView)
}
}
override fun afterTextChanged(s: Editable?) {
if (s!!.isEmpty()) {
showHistory()
}
}
})
binding.autoCompleteTextView.setOnEditorActionListener(
OnEditorActionListener { _, actionId, _ ->
if (actionId == EditorInfo.IME_ACTION_SEARCH) {
hideKeyboard()
binding.searchRecycler.visibility = VISIBLE
binding.historyRecycler.visibility = GONE
fetchSearch(binding.autoCompleteTextView.text.toString())
return@OnEditorActionListener true
}
false
}
)
}
private fun fetchSuggestions(query: String, autoTextView: EditText) {
fun run() {
lifecycleScope.launchWhenCreated {
binding.searchRecycler.visibility = GONE
binding.historyRecycler.visibility = VISIBLE
val response = try {
RetrofitInstance.api.getSuggestions(query)
} catch (e: IOException) {
println(e)
Log.e(TAG, "IOException, you might not have internet connection")
return@launchWhenCreated
} catch (e: HttpException) {
Log.e(TAG, "HttpException, unexpected response")
return@launchWhenCreated
}
val suggestionsAdapter =
SearchSuggestionsAdapter(response, autoTextView, this@SearchFragment)
binding.historyRecycler.adapter = suggestionsAdapter
}
}
if (!isFetchingSearch) run()
}
fun fetchSearch(query: String) {
runOnUiThread {
binding.historyRecycler.visibility = GONE
}
lifecycleScope.launchWhenCreated {
isFetchingSearch = true
hideKeyboard()
val response = try {
RetrofitInstance.api.getSearchResults(query, apiSearchFilter)
} catch (e: IOException) {
println(e)
Log.e(TAG, "IOException, you might not have internet connection $e")
return@launchWhenCreated
} catch (e: HttpException) {
Log.e(TAG, "HttpException, unexpected response")
return@launchWhenCreated
}
nextPage = response.nextpage
if (response.items!!.isNotEmpty()) {
runOnUiThread {
binding.searchRecycler.visibility = VISIBLE
searchAdapter = SearchAdapter(response.items, childFragmentManager)
binding.searchRecycler.adapter = searchAdapter
}
}
addToHistory(query)
isLoading = false
isFetchingSearch = false
}
}
private fun fetchNextSearchItems(query: String) {
lifecycleScope.launchWhenCreated {
if (!isLoading) {
isLoading = true
val response = try {
RetrofitInstance.api.getSearchResultsNextPage(
query,
apiSearchFilter,
nextPage!!
)
} catch (e: IOException) {
println(e)
Log.e(TAG, "IOException, you might not have internet connection")
return@launchWhenCreated
} catch (e: HttpException) {
Log.e(TAG, "HttpException, unexpected response," + e.response())
return@launchWhenCreated
}
nextPage = response.nextpage
searchAdapter?.updateItems(response.items!!)
isLoading = false
}
}
}
private fun Fragment?.runOnUiThread(action: () -> Unit) {
this ?: return
if (!isAdded) return // Fragment not attached to an Activity
activity?.runOnUiThread(action)
}
override fun onResume() {
super.onResume()
requireActivity().window.setSoftInputMode(SOFT_INPUT_STATE_ALWAYS_HIDDEN)
}
override fun onStop() {
super.onStop()
hideKeyboard()
}
private fun showHistory() {
binding.searchRecycler.visibility = GONE
val historyList = PreferenceHelper.getHistory(requireContext())
if (historyList.isNotEmpty()) {
binding.historyRecycler.adapter =
SearchHistoryAdapter(
requireContext(),
historyList,
binding.autoCompleteTextView,
this
)
binding.historyRecycler.visibility = VISIBLE
}
}
private fun addToHistory(query: String) {
val searchHistoryEnabled =
PreferenceHelper.getBoolean(requireContext(), "search_history_toggle", true)
if (searchHistoryEnabled) {
var historyList = PreferenceHelper.getHistory(requireContext())
if ((historyList.isNotEmpty() && historyList.contains(query)) || query == "") {
return
} else {
historyList = historyList + query
}
if (historyList.size > 10) {
historyList = historyList.takeLast(10)
}
PreferenceHelper.saveHistory(requireContext(), historyList)
}
}
}