From 828cdf9a50ff18165610393d3273384b30ae0b8b Mon Sep 17 00:00:00 2001
From: nk <lopeyskusikgjr3@outlook.com>
Date: Mon, 1 Jun 2026 12:08:49 +0300
Subject: [PATCH] feat(domain): add core use cases

---
 .../domain/usecase/GetNowPlayingUseCase.kt    | 14 ++++++++++++++
 .../domain/usecase/GetStationsUseCase.kt      | 12 ++++++++++++
 .../domain/usecase/PlayStationUseCase.kt      | 14 ++++++++++++++
 .../usecase/SearchTrackInServiceUseCase.kt    | 11 +++++++++++
 .../domain/usecase/ToggleFavoriteUseCase.kt   | 19 +++++++++++++++++++
 5 files changed, 70 insertions(+)
 create mode 100644 app/src/main/java/com/radiola/domain/usecase/GetNowPlayingUseCase.kt
 create mode 100644 app/src/main/java/com/radiola/domain/usecase/GetStationsUseCase.kt
 create mode 100644 app/src/main/java/com/radiola/domain/usecase/PlayStationUseCase.kt
 create mode 100644 app/src/main/java/com/radiola/domain/usecase/SearchTrackInServiceUseCase.kt
 create mode 100644 app/src/main/java/com/radiola/domain/usecase/ToggleFavoriteUseCase.kt

diff --git a/app/src/main/java/com/radiola/domain/usecase/GetNowPlayingUseCase.kt b/app/src/main/java/com/radiola/domain/usecase/GetNowPlayingUseCase.kt
new file mode 100644
index 0000000..6658370
--- /dev/null
+++ b/app/src/main/java/com/radiola/domain/usecase/GetNowPlayingUseCase.kt
@@ -0,0 +1,14 @@
+package com.radiola.domain.usecase
+
+import com.radiola.domain.model.Track
+import com.radiola.domain.repository.NowPlayingRepository
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+
+class GetNowPlayingUseCase @Inject constructor(
+    private val nowPlayingRepository: NowPlayingRepository
+) {
+    operator fun invoke(stationPrefix: String): Flow<Track?> {
+        return nowPlayingRepository.getNowPlaying(stationPrefix)
+    }
+}
diff --git a/app/src/main/java/com/radiola/domain/usecase/GetStationsUseCase.kt b/app/src/main/java/com/radiola/domain/usecase/GetStationsUseCase.kt
new file mode 100644
index 0000000..a1eda8c
--- /dev/null
+++ b/app/src/main/java/com/radiola/domain/usecase/GetStationsUseCase.kt
@@ -0,0 +1,12 @@
+package com.radiola.domain.usecase
+
+import com.radiola.domain.model.Station
+import com.radiola.domain.repository.StationRepository
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+
+class GetStationsUseCase @Inject constructor(
+    private val stationRepository: StationRepository
+) {
+    operator fun invoke(): Flow<List<Station>> = stationRepository.getStations()
+}
diff --git a/app/src/main/java/com/radiola/domain/usecase/PlayStationUseCase.kt b/app/src/main/java/com/radiola/domain/usecase/PlayStationUseCase.kt
new file mode 100644
index 0000000..7e2dfc5
--- /dev/null
+++ b/app/src/main/java/com/radiola/domain/usecase/PlayStationUseCase.kt
@@ -0,0 +1,14 @@
+package com.radiola.domain.usecase
+
+import com.radiola.domain.model.Station
+import com.radiola.domain.repository.SettingsRepository
+import javax.inject.Inject
+
+class PlayStationUseCase @Inject constructor(
+    private val settingsRepository: SettingsRepository
+) {
+    suspend operator fun invoke(station: Station) {
+        settingsRepository.setLastStationId(station.id)
+        // Actual playback is delegated to PlayerService
+    }
+}
diff --git a/app/src/main/java/com/radiola/domain/usecase/SearchTrackInServiceUseCase.kt b/app/src/main/java/com/radiola/domain/usecase/SearchTrackInServiceUseCase.kt
new file mode 100644
index 0000000..a192931
--- /dev/null
+++ b/app/src/main/java/com/radiola/domain/usecase/SearchTrackInServiceUseCase.kt
@@ -0,0 +1,11 @@
+package com.radiola.domain.usecase
+
+import com.radiola.domain.model.DeeplinkService
+import com.radiola.domain.model.Track
+import javax.inject.Inject
+
+class SearchTrackInServiceUseCase @Inject constructor() {
+    operator fun invoke(track: Track, service: DeeplinkService): String {
+        return service.buildSearchUrl(track.artist, track.song)
+    }
+}
diff --git a/app/src/main/java/com/radiola/domain/usecase/ToggleFavoriteUseCase.kt b/app/src/main/java/com/radiola/domain/usecase/ToggleFavoriteUseCase.kt
new file mode 100644
index 0000000..2ab6501
--- /dev/null
+++ b/app/src/main/java/com/radiola/domain/usecase/ToggleFavoriteUseCase.kt
@@ -0,0 +1,19 @@
+package com.radiola.domain.usecase
+
+import com.radiola.domain.model.Station
+import com.radiola.domain.repository.FavoritesRepository
+import kotlinx.coroutines.flow.first
+import javax.inject.Inject
+
+class ToggleFavoriteUseCase @Inject constructor(
+    private val favoritesRepository: FavoritesRepository
+) {
+    suspend operator fun invoke(station: Station) {
+        val isFav = favoritesRepository.isFavorite(station.id).first()
+        if (isFav) {
+            favoritesRepository.removeFavorite(station.id)
+        } else {
+            favoritesRepository.addFavorite(station)
+        }
+    }
+}