feat: enrich playlist video metadata

src/main/kotlin/dev/typetype/server/db/DatabaseFactory.kt

@@ -78,6 +78,10 @@ object DatabaseFactory {
             exec("ALTER TABLE search_history ADD COLUMN IF NOT EXISTS user_id TEXT NOT NULL DEFAULT ''")
             exec("ALTER TABLE playlists ADD COLUMN IF NOT EXISTS user_id TEXT NOT NULL DEFAULT ''")
             exec("ALTER TABLE playlist_videos ADD COLUMN IF NOT EXISTS user_id TEXT NOT NULL DEFAULT ''")
+            exec("ALTER TABLE playlist_videos ADD COLUMN IF NOT EXISTS channel_name TEXT NOT NULL DEFAULT ''")
+            exec("ALTER TABLE playlist_videos ADD COLUMN IF NOT EXISTS channel_url TEXT NOT NULL DEFAULT ''")
+            exec("ALTER TABLE playlist_videos ADD COLUMN IF NOT EXISTS channel_avatar TEXT NOT NULL DEFAULT ''")
+            exec("ALTER TABLE playlist_videos ADD COLUMN IF NOT EXISTS view_count BIGINT NOT NULL DEFAULT 0")
             exec("ALTER TABLE settings ADD COLUMN IF NOT EXISTS user_id TEXT NOT NULL DEFAULT ''")
             exec("ALTER TABLE blocked_channels ADD COLUMN IF NOT EXISTS user_id TEXT NOT NULL DEFAULT ''")
             exec("ALTER TABLE blocked_channels ADD COLUMN IF NOT EXISTS scope TEXT NOT NULL DEFAULT 'user'")

src/main/kotlin/dev/typetype/server/db/tables/PlaylistVideosTable.kt

@@ -12,5 +12,9 @@ object PlaylistVideosTable : Table("playlist_videos") {
     val thumbnail = text("thumbnail")
     val duration = long("duration")
     val position = integer("position")
+    val channelName = text("channel_name").default("")
+    val channelUrl = text("channel_url").default("")
+    val channelAvatar = text("channel_avatar").default("")
+    val viewCount = long("view_count").default(0L)
     override val primaryKey = PrimaryKey(id)
 }

src/main/kotlin/dev/typetype/server/models/PlaylistVideoItem.kt

@@ -1,13 +1,24 @@
 package dev.typetype.server.models
 
+import kotlinx.serialization.ExperimentalSerializationApi
 import kotlinx.serialization.Serializable
+import kotlinx.serialization.json.JsonNames
 
+@OptIn(ExperimentalSerializationApi::class)
 @Serializable
 data class PlaylistVideoItem(
     val id: String = "",
     val url: String,
     val title: String,
+    @JsonNames("thumbnailUrl")
     val thumbnail: String,
     val duration: Long,
     val position: Int = 0,
+    @JsonNames("uploaderName")
+    val channelName: String = "",
+    @JsonNames("uploaderUrl")
+    val channelUrl: String = "",
+    @JsonNames("channelAvatarUrl", "uploaderAvatarUrl")
+    val channelAvatar: String = "",
+    val viewCount: Long = 0L,
 )

src/main/kotlin/dev/typetype/server/services/PlaylistService.kt

@@ -81,6 +81,10 @@ class PlaylistService {
                 it[thumbnail] = video.thumbnail
                 it[duration] = video.duration
                 it[position] = pos
+                it[channelName] = video.channelName
+                it[channelUrl] = video.channelUrl
+                it[channelAvatar] = video.channelAvatar
+                it[viewCount] = video.viewCount
             }
         }
         return video.copy(id = videoId, position = pos)
@@ -97,5 +101,9 @@ class PlaylistService {
         thumbnail = this[PlaylistVideosTable.thumbnail],
         duration = this[PlaylistVideosTable.duration],
         position = this[PlaylistVideosTable.position],
+        channelName = this[PlaylistVideosTable.channelName],
+        channelUrl = this[PlaylistVideosTable.channelUrl],
+        channelAvatar = this[PlaylistVideosTable.channelAvatar],
+        viewCount = this[PlaylistVideosTable.viewCount],
     )
 }

src/test/kotlin/dev/typetype/server/PlaylistRoutesTest.kt

@@ -27,7 +27,6 @@ import org.junit.jupiter.api.BeforeEach
 import org.junit.jupiter.api.Test
 
 class PlaylistRoutesTest {
-
     private val service = PlaylistService()
     private val auth = AuthService.fixed(TEST_USER_ID)
 
@@ -49,7 +48,7 @@ class PlaylistRoutesTest {
     }
 
     private val playlistBody = """{"name":"My Playlist","description":""}"""
-    private val videoBody = """{"url":"https://yt.com","title":"T","thumbnail":"","duration":100}"""
+    private val videoBody = """{"url":"https://yt.com","title":"T","thumbnailUrl":"thumb","duration":100,"uploaderName":"C","uploaderUrl":"https://c","uploaderAvatarUrl":"avatar","viewCount":123}"""
 
     @Test
     fun `GET playlists without token returns 401`() = withApp {
@@ -73,7 +72,6 @@ class PlaylistRoutesTest {
         assertEquals(HttpStatusCode.Created, response.status)
         assertTrue(response.bodyAsText().contains("\"name\":\"My Playlist\""))
     }
-
     @Test
     fun `GET playlists by id returns 200 when found`() = withApp {
         val playlist = service.create(TEST_USER_ID, PlaylistItem(name = "My Playlist"))
@@ -104,11 +102,13 @@ class PlaylistRoutesTest {
     @Test
     fun `POST playlists videos returns 201`() = withApp {
         val playlist = service.create(TEST_USER_ID, PlaylistItem(name = "My Playlist"))
-        assertEquals(HttpStatusCode.Created, client.post("/playlists/${playlist.id}/videos") {
+        val response = client.post("/playlists/${playlist.id}/videos") {
             headers.append(HttpHeaders.Authorization, "Bearer test-jwt")
             headers.append(HttpHeaders.ContentType, ContentType.Application.Json.toString())
             setBody(videoBody)
-        }.status)
+        }
+        assertEquals(HttpStatusCode.Created, response.status)
+        assertTrue(response.bodyAsText().contains("\"channelName\":\"C\""))
     }
 
     @Test

src/test/kotlin/dev/typetype/server/PlaylistServiceTest.kt

@@ -40,11 +40,15 @@ class PlaylistServiceTest {
     @Test
     fun `getAll returns created playlists with videos populated`() = runBlocking {
         val playlist = service.create(TEST_USER_ID, PlaylistItem(name = "Test"))
-        service.addVideo(TEST_USER_ID, playlist.id, PlaylistVideoItem(url = "https://yt.com", title = "T", thumbnail = "", duration = 100L))
+        service.addVideo(TEST_USER_ID, playlist.id, PlaylistVideoItem(url = "https://yt.com", title = "T", thumbnail = "", duration = 100L, channelName = "C", channelUrl = "https://c", channelAvatar = "avatar", viewCount = 123L))
         val all = service.getAll(TEST_USER_ID)
         assertEquals(1, all.size)
         assertEquals(1, all[0].videos.size)
         assertEquals("https://yt.com", all[0].videos[0].url)
+        assertEquals("C", all[0].videos[0].channelName)
+        assertEquals("https://c", all[0].videos[0].channelUrl)
+        assertEquals("avatar", all[0].videos[0].channelAvatar)
+        assertEquals(123L, all[0].videos[0].viewCount)
     }
 
     @Test