LibreTube/app/src/main/java/com/github/libretube/ChannelFragment.kt

266 lines
10 KiB
Kotlin
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package com.github.libretube
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import android.annotation.SuppressLint
import android.content.Context
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import android.os.Bundle
import android.util.Log
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
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import android.widget.ScrollView
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import android.widget.TextView
import androidx.fragment.app.Fragment
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import androidx.lifecycle.lifecycleScope
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import androidx.recyclerview.widget.LinearLayoutManager
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import androidx.recyclerview.widget.RecyclerView
import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
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import com.github.libretube.adapters.ChannelAdapter
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import com.github.libretube.obj.Subscribe
import com.google.android.material.button.MaterialButton
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import com.squareup.picasso.Picasso
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import java.io.IOException
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import retrofit2.HttpException
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class ChannelFragment : Fragment() {
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private var channel_id: String? = null
private val TAG = "ChannelFragment"
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var nextPage: String? = null
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var channelAdapter: ChannelAdapter? = null
var isLoading = true
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var isSubscribed: Boolean = false
private var refreshLayout: SwipeRefreshLayout? = null
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override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
arguments?.let {
channel_id = it.getString("channel_id")
}
}
override fun onCreateView(
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inflater: LayoutInflater,
container: ViewGroup?,
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savedInstanceState: Bundle?
): View? {
// Inflate the layout for this fragment
return inflater.inflate(R.layout.fragment_channel, container, false)
}
override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
super.onViewCreated(view, savedInstanceState)
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channel_id = channel_id!!.replace("/channel/", "")
view.findViewById<TextView>(R.id.channel_name).text = channel_id
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val recyclerView = view.findViewById<RecyclerView>(R.id.channel_recView)
recyclerView.layoutManager = LinearLayoutManager(context)
refreshLayout = view.findViewById(R.id.channel_refresh)
val refreshChannel = {
refreshLayout?.isRefreshing = true
fetchChannel(view)
val sharedPref = context?.getSharedPreferences("token", Context.MODE_PRIVATE)
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val subButton = view.findViewById<MaterialButton>(R.id.channel_subscribe)
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if (sharedPref?.getString("token", "") != "") {
isSubscribed(subButton)
}
}
refreshChannel()
refreshLayout?.setOnRefreshListener {
refreshChannel()
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}
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val scrollView = view.findViewById<ScrollView>(R.id.channel_scrollView)
scrollView.viewTreeObserver
.addOnScrollChangedListener {
if (scrollView.getChildAt(0).bottom
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== (scrollView.height + scrollView.scrollY)
) {
// scroll view is at bottom
if (nextPage != null && !isLoading) {
isLoading = true
refreshLayout?.isRefreshing = true
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fetchNextPage()
}
}
}
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}
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private fun isSubscribed(button: MaterialButton) {
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@SuppressLint("ResourceAsColor")
fun run() {
lifecycleScope.launchWhenCreated {
val response = try {
val sharedPref = context?.getSharedPreferences("token", Context.MODE_PRIVATE)
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RetrofitInstance.api.isSubscribed(
channel_id!!,
sharedPref?.getString("token", "")!!
)
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} catch (e: IOException) {
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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
}
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runOnUiThread {
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if (response.subscribed == true) {
isSubscribed = true
button.text = getString(R.string.unsubscribe)
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}
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if (response.subscribed != null) {
button.setOnClickListener {
if (isSubscribed) {
unsubscribe()
button.text = getString(R.string.subscribe)
} else {
subscribe()
button.text = getString(R.string.unsubscribe)
}
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}
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}
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}
}
}
run()
}
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private fun subscribe() {
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fun run() {
lifecycleScope.launchWhenCreated {
val response = try {
val sharedPref = context?.getSharedPreferences("token", Context.MODE_PRIVATE)
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RetrofitInstance.api.subscribe(
sharedPref?.getString("token", "")!!,
Subscribe(channel_id)
)
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} catch (e: IOException) {
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println(e)
Log.e(TAG, "IOException, you might not have internet connection")
return@launchWhenCreated
} catch (e: HttpException) {
Log.e(TAG, "HttpException, unexpected response$e")
return@launchWhenCreated
}
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isSubscribed = true
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}
}
run()
}
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private fun unsubscribe() {
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fun run() {
lifecycleScope.launchWhenCreated {
val response = try {
val sharedPref = context?.getSharedPreferences("token", Context.MODE_PRIVATE)
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RetrofitInstance.api.unsubscribe(
sharedPref?.getString("token", "")!!,
Subscribe(channel_id)
)
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} catch (e: IOException) {
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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
}
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isSubscribed = false
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}
}
run()
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}
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private fun fetchChannel(view: View) {
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fun run() {
lifecycleScope.launchWhenCreated {
val response = try {
RetrofitInstance.api.getChannel(channel_id!!)
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} catch (e: IOException) {
refreshLayout?.isRefreshing = false
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println(e)
Log.e(TAG, "IOException, you might not have internet connection")
return@launchWhenCreated
} catch (e: HttpException) {
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refreshLayout?.isRefreshing = false
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Log.e(TAG, "HttpException, unexpected response")
return@launchWhenCreated
}
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nextPage = response.nextpage
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isLoading = false
refreshLayout?.isRefreshing = false
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runOnUiThread {
view.findViewById<ScrollView>(R.id.channel_scrollView).visibility = View.VISIBLE
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val channelName = view.findViewById<TextView>(R.id.channel_name)
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channelName.text = response.name
if (response.verified) {
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channelName.setCompoundDrawablesWithIntrinsicBounds(
0, 0, R.drawable.ic_verified, 0
)
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}
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view.findViewById<TextView>(R.id.channel_subs).text = resources.getString(
R.string.subscribers,
response.subscriberCount.formatShort()
)
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val channelDescription = view.findViewById<TextView>(R.id.channel_description)
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if (response.description?.trim() == "") {
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channelDescription.visibility = View.GONE
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} else {
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channelDescription.text = response.description?.trim()
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}
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val bannerImage = view.findViewById<ImageView>(R.id.channel_banner)
val channelImage = view.findViewById<ImageView>(R.id.channel_image)
Picasso.get().load(response.bannerUrl).into(bannerImage)
Picasso.get().load(response.avatarUrl).into(channelImage)
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channelAdapter = ChannelAdapter(response.relatedStreams!!.toMutableList())
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view.findViewById<RecyclerView>(R.id.channel_recView).adapter = channelAdapter
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}
}
}
run()
}
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private fun fetchNextPage() {
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fun run() {
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lifecycleScope.launchWhenCreated {
val response = try {
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RetrofitInstance.api.getChannelNextPage(channel_id!!, nextPage!!)
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} catch (e: IOException) {
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refreshLayout?.isRefreshing = false
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println(e)
Log.e(TAG, "IOException, you might not have internet connection")
return@launchWhenCreated
} catch (e: HttpException) {
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refreshLayout?.isRefreshing = false
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Log.e(TAG, "HttpException, unexpected response," + e.response())
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return@launchWhenCreated
}
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nextPage = response.nextpage
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channelAdapter?.updateItems(response.relatedStreams!!)
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isLoading = false
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refreshLayout?.isRefreshing = false
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}
}
run()
}
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private fun Fragment?.runOnUiThread(action: () -> Unit) {
this ?: return
if (!isAdded) return // Fragment not attached to an Activity
activity?.runOnUiThread(action)
}
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override fun onDestroyView() {
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val scrollView = view?.findViewById<ScrollView>(R.id.channel_scrollView)
scrollView?.viewTreeObserver?.removeOnScrollChangedListener {
}
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channelAdapter = null
view?.findViewById<RecyclerView>(R.id.channel_recView)?.adapter = null
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super.onDestroyView()
}
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}