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compose-lobsters
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refactor(android): leverage assisted inject for `LobstersPagingSource`

This commit is contained in:
Harsh Shandilya 2022-09-10 02:11:27 +05:30
parent 59b35a9255
commit 2afbc73bd4
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2 changed files with 17 additions and 7 deletions
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17
android/src/main/kotlin/dev/msfjarvis/claw/android/paging/LobstersPagingSource.kt
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@ -2,13 +2,19 @@ package dev.msfjarvis.claw.android.paging
import androidx.paging.PagingSource
import androidx.paging.PagingState
import dagger.assisted.Assisted
import dagger.assisted.AssistedFactory
import dagger.assisted.AssistedInject
import dev.msfjarvis.claw.android.injection.IODispatcher
import dev.msfjarvis.claw.model.LobstersPost
import kotlinx.coroutines.CoroutineDispatcher
import kotlinx.coroutines.withContext
class LobstersPagingSource(
private val getMorePosts: suspend (Int) -> List<LobstersPost>,
private val ioDispatcher: CoroutineDispatcher,
class LobstersPagingSource
@AssistedInject
constructor(
@Assisted private val getMorePosts: suspend (Int) -> List<LobstersPost>,
@IODispatcher private val ioDispatcher: CoroutineDispatcher,
) : PagingSource<Int, LobstersPost>() {
override suspend fun load(params: LoadParams<Int>): LoadResult<Int, LobstersPost> {
@ -29,4 +35,9 @@ class LobstersPagingSource(
override fun getRefreshKey(state: PagingState<Int, LobstersPost>): Int {
return state.pages.size + 1
}
@AssistedFactory
interface Factory {
fun create(getMorePosts: suspend (Int) -> List<LobstersPost>): LobstersPagingSource
}
}

7
android/src/main/kotlin/dev/msfjarvis/claw/android/viewmodel/ClawViewModel.kt
View File

@ -25,19 +25,18 @@ constructor(
private val api: LobstersApi,
private val savedPostsRepository: SavedPostsRepository,
private val postDetailsRepository: PostDetailsRepository,
private val pagingSourceFactory: LobstersPagingSource.Factory,
@IODispatcher private val ioDispatcher: CoroutineDispatcher,
) : ViewModel() {
private var hottestPostsPagingSource: LobstersPagingSource? = null
private var newestPostsPagingSource: LobstersPagingSource? = null
private val hottestPostsPager =
Pager(PagingConfig(20)) {
LobstersPagingSource(api::getHottestPosts, ioDispatcher).also {
hottestPostsPagingSource = it
}
pagingSourceFactory.create(api::getHottestPosts).also { hottestPostsPagingSource = it }
}
private val newestPostsPager =
Pager(PagingConfig(20)) {
LobstersPagingSource(api::getNewestPosts, ioDispatcher).also { newestPostsPagingSource = it }
pagingSourceFactory.create(api::getHottestPosts).also { newestPostsPagingSource = it }
}
val hottestPosts