Merge Latest and Browse into one screen (#7921)

* Merge Latest and Browse into one

* Add back Latest button

* Change context to IO instead of launching a job

* Use loading screen when loading initial page

app/src/main/java/eu/kanade/domain/source/interactor/GetRemoteManga.kt

@@ -0,0 +1,23 @@
+package eu.kanade.domain.source.interactor
+
+import eu.kanade.domain.source.model.SourcePagingSourceType
+import eu.kanade.domain.source.repository.SourceRepository
+import eu.kanade.tachiyomi.source.model.FilterList
+
+class GetRemoteManga(
+    private val repository: SourceRepository,
+) {
+
+    fun subscribe(sourceId: Long, query: String, filterList: FilterList): SourcePagingSourceType {
+        return when (query) {
+            QUERY_POPULAR -> repository.getPopular(sourceId)
+            QUERY_LATEST -> repository.getLatest(sourceId)
+            else -> repository.search(sourceId, query, filterList)
+        }
+    }
+
+    companion object {
+        const val QUERY_POPULAR = "eu.kanade.domain.source.interactor.POPULAR"
+        const val QUERY_LATEST = "eu.kanade.domain.source.interactor.LATEST"
+    }
+}

app/src/main/java/eu/kanade/domain/source/model/SourcePagingSourceType.kt

@@ -0,0 +1,6 @@
+package eu.kanade.domain.source.model
+
+import androidx.paging.PagingSource
+import eu.kanade.tachiyomi.source.model.SManga
+
+typealias SourcePagingSourceType = PagingSource<Long, SManga>

app/src/main/java/eu/kanade/domain/source/repository/SourceRepository.kt

@@ -1,7 +1,9 @@
 package eu.kanade.domain.source.repository
 
 import eu.kanade.domain.source.model.Source
+import eu.kanade.domain.source.model.SourcePagingSourceType
 import eu.kanade.domain.source.model.SourceWithCount
+import eu.kanade.tachiyomi.source.model.FilterList
 import kotlinx.coroutines.flow.Flow
 
 interface SourceRepository {
@@ -13,4 +15,10 @@ interface SourceRepository {
     fun getSourcesWithFavoriteCount(): Flow<List<Pair<Source, Long>>>
 
     fun getSourcesWithNonLibraryManga(): Flow<List<SourceWithCount>>
+
+    fun search(sourceId: Long, query: String, filterList: FilterList): SourcePagingSourceType
+
+    fun getPopular(sourceId: Long): SourcePagingSourceType
+
+    fun getLatest(sourceId: Long): SourcePagingSourceType
 }