feat(database): add support for marking posts as read

database/src/main/kotlin/dev/msfjarvis/claw/database/injection/QueriesModule.kt

@@ -12,6 +12,7 @@ import dagger.Module
 import dagger.Provides
 import dev.msfjarvis.claw.database.LobstersDatabase
 import dev.msfjarvis.claw.database.local.PostCommentsQueries
+import dev.msfjarvis.claw.database.local.ReadPostsQueries
 import dev.msfjarvis.claw.database.local.SavedPostQueries
 
 @Module
@@ -29,4 +30,11 @@ object QueriesModule {
   ): PostCommentsQueries {
     return database.postCommentsQueries
   }
+
+  @Provides
+  fun provideReadPostsQueries(
+    @InternalDatabaseApi database: LobstersDatabase,
+  ): ReadPostsQueries {
+    return database.readPostsQueries
+  }
 }

database/src/main/sqldelight/dev/msfjarvis/claw/database/local/ReadPosts.sq

@@ -0,0 +1,17 @@
+CREATE TABLE ReadPosts(
+  id TEXT NOT NULL PRIMARY KEY
+);
+
+markRead:
+INSERT OR REPLACE
+INTO ReadPosts(id)
+VALUES (?);
+
+markUnread:
+DELETE FROM ReadPosts
+WHERE id = ?;
+
+isRead:
+SELECT *
+FROM ReadPosts
+WHERE id = ?;

database/src/main/sqldelight/migrations/5.sqm

@@ -0,0 +1,3 @@
+CREATE TABLE ReadPosts(
+  id TEXT NOT NULL PRIMARY KEY
+);

database/src/test/kotlin/dev/msfjarvis/claw/database/local/ReadPostsQueriesTest.kt

@@ -0,0 +1,30 @@
+/*
+ * Copyright © 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.database.local
+
+import com.google.common.truth.Truth.assertThat
+import java.util.UUID
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+
+class ReadPostsQueriesTest {
+  private lateinit var postQueries: ReadPostsQueries
+
+  @BeforeEach
+  fun setup() {
+    postQueries = setupDatabase().readPostsQueries
+  }
+
+  @Test
+  fun markPostAsRead() {
+    val id = UUID.randomUUID().toString()
+    postQueries.markRead(id)
+    assertThat(postQueries.isRead(id).executeAsOne()).isNotNull()
+    postQueries.markUnread(id)
+    assertThat(postQueries.isRead(id).executeAsOneOrNull()).isNull()
+  }
+}