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/*
* Copyright 2018 Allan Wang
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.pitchedapps.frost.fragments
import ca.allanwang.kau.adapters.fastAdapter
import ca.allanwang.kau.utils.withMainContext
import com.mikepenz.fastadapter.GenericFastAdapter
import com.mikepenz.fastadapter.GenericItem
import com.mikepenz.fastadapter.adapters.ItemAdapter
import com.mikepenz.fastadapter.adapters.ModelAdapter
import com.pitchedapps.frost.R
import com.pitchedapps.frost.facebook.parsers.FrostParser
import com.pitchedapps.frost.facebook.parsers.ParseData
import com.pitchedapps.frost.facebook.parsers.ParseResponse
import com.pitchedapps.frost.utils.L
import com.pitchedapps.frost.utils.frostJsoup
import com.pitchedapps.frost.views.FrostRecyclerView
import kotlinx.coroutines.Dispatchers
import kotlinx.coroutines.withContext
/**
* Created by Allan Wang on 27/12/17.
*/
abstract class RecyclerFragment<T, Item : GenericItem> : BaseFragment(), RecyclerContentContract {
override val layoutRes: Int = R.layout.view_content_recycler
abstract val adapter: ModelAdapter<T, Item>
override fun firstLoadRequest() {
val core = core ?: return
if (firstLoad) {
core.reloadBase(true)
firstLoad = false
}
}
final override suspend fun reload(progress: (Int) -> Unit): Boolean =
withContext(Dispatchers.IO) {
val data = try {
reloadImpl(progress)
} catch (e: Exception) {
L.e(e) { "Recycler reload fail $baseUrl" }
null
}
withMainContext {
if (data == null) {
valid = false
false
} else {
adapter.setNewList(data)
true
}
}
}
protected abstract suspend fun reloadImpl(progress: (Int) -> Unit): List<T>?
}
abstract class GenericRecyclerFragment<T, Item : GenericItem> : RecyclerFragment<T, Item>() {
abstract fun mapper(data: T): Item
override val adapter: ModelAdapter<T, Item> = ModelAdapter { this.mapper(it) }
final override fun bind(recyclerView: FrostRecyclerView) {
recyclerView.adapter = getAdapter()
recyclerView.onReloadClear = { adapter.clear() }
bindImpl(recyclerView)
}
/**
* Anything to call for one time bindings
* At this stage, all adapters will have FastAdapter references
*/
open fun bindImpl(recyclerView: FrostRecyclerView) = Unit
/**
* Create the fast adapter to bind to the recyclerview
*/
open fun getAdapter(): GenericFastAdapter = fastAdapter(this.adapter)
}
abstract class FrostParserFragment<T : ParseData, Item : GenericItem> :
RecyclerFragment<Item, Item>() {
/**
* The parser to make this all happen
*/
abstract val parser: FrostParser<T>
open fun getDoc(cookie: String?) = frostJsoup(cookie, parser.url)
abstract fun toItems(response: ParseResponse<T>): List<Item>
override val adapter: ItemAdapter<Item> = ItemAdapter()
final override fun bind(recyclerView: FrostRecyclerView) {
recyclerView.adapter = getAdapter()
recyclerView.onReloadClear = { adapter.clear() }
bindImpl(recyclerView)
}
/**
* Anything to call for one time bindings
* At this stage, all adapters will have FastAdapter references
*/
open fun bindImpl(recyclerView: FrostRecyclerView) = Unit
/**
* Create the fast adapter to bind to the recyclerview
*/
open fun getAdapter(): GenericFastAdapter = fastAdapter(this.adapter)
override suspend fun reloadImpl(progress: (Int) -> Unit): List<Item>? =
withContext(Dispatchers.IO) {
progress(10)
val cookie = fbCookie.webCookie
val doc = getDoc(cookie)
progress(60)
val response = try {
parser.parse(cookie, doc)
} catch (ignored: Exception) {
null
}
if (response == null) {
L.i { "RecyclerFragment failed for ${baseEnum.name}" }
L._d { "Cookie used: $cookie" }
return@withContext null
}
progress(80)
val items = toItems(response)
progress(97)
return@withContext items
}
}
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