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Code Issues Projects Releases Wiki Activity

refactor: use a view model for the trends fragment

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This commit is contained in:
IndusAryan 2024-01-16 19:07:57 +05:30 committed by Bnyro
parent 4cd6552c38
commit eda53bea03
2 changed files with 63 additions and 47 deletions
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66
app/src/main/java/com/github/libretube/ui/fragments/TrendsFragment.kt
View File

@ -2,32 +2,23 @@ package com.github.libretube.ui.fragments
import android.content.Intent
import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.core.view.isGone
import androidx.lifecycle.lifecycleScope
import androidx.fragment.app.activityViewModels
import com.github.libretube.R
import com.github.libretube.api.RetrofitInstance
import com.github.libretube.databinding.FragmentTrendsBinding
import com.github.libretube.extensions.TAG
import com.github.libretube.helpers.LocaleHelper
import com.github.libretube.ui.activities.SettingsActivity
import com.github.libretube.ui.adapters.VideosAdapter
import com.github.libretube.ui.base.DynamicLayoutManagerFragment
import com.github.libretube.util.deArrow
import com.github.libretube.ui.models.TrendsViewModel
import com.google.android.material.snackbar.Snackbar
import java.io.IOException
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import retrofit2.HttpException
class TrendsFragment : DynamicLayoutManagerFragment() {
private var _binding: FragmentTrendsBinding? = null
private val binding get() = _binding!!
private val viewModel: TrendsViewModel by activityViewModels()
override fun onCreateView(
inflater: LayoutInflater,
@ -45,52 +36,33 @@ class TrendsFragment : DynamicLayoutManagerFragment() {
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
fetchTrending()
binding.homeRefresh.isEnabled = true
binding.homeRefresh.setOnRefreshListener {
fetchTrending()
}
}
viewModel.trendingVideos.observe(viewLifecycleOwner) { videos ->
if (videos == null) return@observe
override fun onDestroyView() {
super.onDestroyView()
_binding = null
}
private fun fetchTrending() {
lifecycleScope.launch {
val response = try {
withContext(Dispatchers.IO) {
val region = LocaleHelper.getTrendingRegion(requireContext())
RetrofitInstance.api.getTrending(region).deArrow()
}
} catch (e: IOException) {
println(e)
Log.e(TAG(), "IOException, you might not have internet connection")
Toast.makeText(context, R.string.unknown_error, Toast.LENGTH_SHORT).show()
return@launch
} catch (e: HttpException) {
Log.e(TAG(), "HttpException, unexpected response")
Toast.makeText(context, R.string.server_error, Toast.LENGTH_SHORT).show()
return@launch
}
val binding = _binding ?: return@launch
binding.recview.adapter = VideosAdapter(videos.toMutableList())
binding.homeRefresh.isRefreshing = false
binding.progressBar.isGone = true
// show a [SnackBar] if there are no trending videos available
if (response.isEmpty()) {
if (videos.isEmpty()) {
Snackbar.make(binding.root, R.string.change_region, Snackbar.LENGTH_LONG)
.setAction(R.string.settings) {
val settingsIntent = Intent(context, SettingsActivity::class.java)
startActivity(settingsIntent)
}
.show()
return@launch
}
binding.recview.adapter = VideosAdapter(response.toMutableList())
}
binding.homeRefresh.isEnabled = true
binding.homeRefresh.setOnRefreshListener {
viewModel.fetchTrending(requireContext())
}
viewModel.fetchTrending(requireContext())
}
override fun onDestroyView() {
super.onDestroyView()
_binding = null
}
}

44
app/src/main/java/com/github/libretube/ui/models/TrendsViewModel.kt Normal file
View File

@ -0,0 +1,44 @@
package com.github.libretube.ui.models
import android.content.Context
import android.util.Log
import android.widget.Toast
import androidx.lifecycle.MutableLiveData
import androidx.lifecycle.ViewModel
import androidx.lifecycle.viewModelScope
import com.github.libretube.R
import com.github.libretube.api.RetrofitInstance
import com.github.libretube.api.obj.StreamItem
import com.github.libretube.extensions.TAG
import com.github.libretube.helpers.LocaleHelper
import com.github.libretube.util.deArrow
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.launch
import kotlinx.coroutines.withContext
import retrofit2.HttpException
import java.io.IOException
class TrendsViewModel: ViewModel() {
val trendingVideos = MutableLiveData<List<StreamItem>>()
fun fetchTrending(context: Context) {
viewModelScope.launch {
try {
val region = LocaleHelper.getTrendingRegion(context)
val response = withContext(Dispatchers.IO) {
RetrofitInstance.api.getTrending(region).deArrow()
}
trendingVideos.postValue(response)
} catch (e: IOException) {
println(e)
Log.e(TAG(), "IOException, you might not have internet connection")
Toast.makeText(context, R.string.unknown_error, Toast.LENGTH_SHORT).show()
return@launch
} catch (e: HttpException) {
Log.e(TAG(), "HttpException, unexpected response")
Toast.makeText(context, R.string.server_error, Toast.LENGTH_SHORT).show()
return@launch
}
}
}
}