refactor(android): split out comments functionality

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

@@ -39,6 +39,7 @@ class ClawViewModel
 constructor(
   private val api: LobstersApi,
   private val savedPostsRepository: SavedPostsRepository,
+  private val commentsRepository: CommentsRepository,
   private val linkMetadataRepository: LinkMetadataRepository,
   private val pagingSourceFactory: LobstersPagingSource.Factory,
   @IODispatcher private val ioDispatcher: CoroutineDispatcher,
@@ -101,10 +102,10 @@ constructor(
       }
     }
 
-  suspend fun getSeenComments(postId: String) = savedPostsRepository.getSeenComments(postId)
+  suspend fun getSeenComments(postId: String) = commentsRepository.getSeenComments(postId)
 
   fun markSeenComments(postId: String, comments: List<Comment>) {
-    viewModelScope.launch { savedPostsRepository.markSeenComments(postId, comments) }
+    viewModelScope.launch { commentsRepository.markSeenComments(postId, comments) }
   }
 
   suspend fun getLinkMetadata(url: String) =

android/src/main/kotlin/dev/msfjarvis/claw/android/viewmodel/CommentsRepository.kt

@@ -0,0 +1,33 @@
+/*
+ * Copyright © 2021-2023 Harsh Shandilya.
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ */
+package dev.msfjarvis.claw.android.viewmodel
+
+import dev.msfjarvis.claw.android.injection.DatabaseDispatcher
+import dev.msfjarvis.claw.database.LobstersDatabase
+import dev.msfjarvis.claw.database.local.PostComments
+import dev.msfjarvis.claw.model.Comment
+import javax.inject.Inject
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.withContext
+
+class CommentsRepository
+@Inject
+constructor(
+  database: LobstersDatabase,
+  @DatabaseDispatcher private val dbDispatcher: CoroutineDispatcher,
+) {
+  private val postCommentsQueries = database.postCommentsQueries
+
+  suspend fun getSeenComments(postId: String) =
+    withContext(dbDispatcher) { postCommentsQueries.getCommentIds(postId).executeAsOneOrNull() }
+
+  suspend fun markSeenComments(postId: String, comments: List<Comment>) {
+    withContext(dbDispatcher) {
+      postCommentsQueries.rememberComments(PostComments(postId, comments.map { it.shortId }))
+    }
+  }
+}

android/src/main/kotlin/dev/msfjarvis/claw/android/viewmodel/SavedPostsRepository.kt

@@ -10,9 +10,7 @@ import app.cash.sqldelight.coroutines.asFlow
 import app.cash.sqldelight.coroutines.mapToList
 import dev.msfjarvis.claw.android.injection.DatabaseDispatcher
 import dev.msfjarvis.claw.database.LobstersDatabase
-import dev.msfjarvis.claw.database.local.PostComments
 import dev.msfjarvis.claw.database.local.SavedPost
-import dev.msfjarvis.claw.model.Comment
 import io.github.aakira.napier.Napier
 import javax.inject.Inject
 import kotlinx.coroutines.CoroutineDispatcher
@@ -25,7 +23,6 @@ constructor(
   @DatabaseDispatcher private val dbDispatcher: CoroutineDispatcher,
 ) {
   private val savedPostQueries = database.savedPostQueries
-  private val postCommentsQueries = database.postCommentsQueries
   val savedPosts = savedPostQueries.selectAllPosts().asFlow().mapToList(dbDispatcher)
 
   suspend fun savePost(post: SavedPost) {
@@ -47,15 +44,6 @@ constructor(
     withContext(dbDispatcher) { savedPostQueries.deletePost(post.shortId) }
   }
 
-  suspend fun getSeenComments(postId: String) =
-    withContext(dbDispatcher) { postCommentsQueries.getCommentIds(postId).executeAsOneOrNull() }
-
-  suspend fun markSeenComments(postId: String, comments: List<Comment>) {
-    withContext(dbDispatcher) {
-      postCommentsQueries.rememberComments(PostComments(postId, comments.map { it.shortId }))
-    }
-  }
-
   private companion object {
     private const val TAG = "SavedPostsRepository"
   }