53 lines
1.8 KiB
Kotlin
53 lines
1.8 KiB
Kotlin
package com.h.pixeldroid.posts.feeds.uncachedFeeds.search
|
|
|
|
import androidx.paging.PagingSource
|
|
import androidx.paging.PagingState
|
|
import com.h.pixeldroid.utils.api.PixelfedAPI
|
|
import com.h.pixeldroid.utils.api.objects.FeedContent
|
|
import com.h.pixeldroid.utils.api.objects.Results
|
|
import retrofit2.HttpException
|
|
import java.io.IOException
|
|
|
|
/**
|
|
* Provides the PagingSource for search feeds. Is used in [SearchContentRepository]
|
|
*/
|
|
class SearchPagingSource<T: FeedContent>(
|
|
private val api: PixelfedAPI,
|
|
private val query: String,
|
|
private val type: Results.SearchType,
|
|
) : PagingSource<Int, T>() {
|
|
override suspend fun load(params: LoadParams<Int>): LoadResult<Int, T> {
|
|
val position = params.key
|
|
return try {
|
|
val response = api.search(
|
|
type = type,
|
|
q = query,
|
|
limit = params.loadSize.toString(),
|
|
offset = position?.toString()
|
|
)
|
|
|
|
|
|
@Suppress("UNCHECKED_CAST")
|
|
val repos = when(type){
|
|
Results.SearchType.accounts -> response.accounts
|
|
Results.SearchType.hashtags -> response.hashtags
|
|
Results.SearchType.statuses -> response.statuses
|
|
} as List<T>
|
|
|
|
LoadResult.Page(
|
|
data = repos,
|
|
prevKey = null,
|
|
nextKey = if (repos.isEmpty()) null else (position ?: 0) + repos.size
|
|
)
|
|
} catch (exception: HttpException) {
|
|
LoadResult.Error(exception)
|
|
} catch (exception: IOException) {
|
|
LoadResult.Error(exception)
|
|
}
|
|
}
|
|
|
|
override fun getRefreshKey(state: PagingState<Int, T>): Int? =
|
|
state.anchorPosition?.run {
|
|
state.closestItemToPosition(this)?.id?.toIntOrNull()
|
|
}
|
|
} |