[ISSUE-25] - Listing movies by genre

Author: gabrielbmoro

feature-list-streams/src/main/java/com/codandotv/streamplayerapp/feature_list_streams/data/ListStreamRepository.kt

@@ -1,24 +1,29 @@
 package com.codandotv.streamplayerapp.feature_list_streams.data
 
-import com.codandotv.streamplayerapp.core_networking.handleError.toFlow
 import com.codandotv.streamplayerapp.core_networking.handleError.toResult
 import com.codandotv.streamplayerapp.feature_list_streams.domain.model.ListStream
 import com.codandotv.streamplayerapp.feature_list_streams.domain.toListStream
 import kotlinx.coroutines.flow.Flow
-import kotlinx.coroutines.flow.map
+import kotlinx.coroutines.flow.flow
 
 interface ListStreamRepository {
-    suspend fun getMovies(): Flow<ListStream>
+    suspend fun getMovies(): Flow<List<ListStream>>
 }
 
 class ListStreamRepositoryImpl(
     private val service: ListStreamService
 ) : ListStreamRepository {
 
-    override suspend fun getMovies(): Flow<ListStream> =
-        service.getMovies()
-            .toFlow()
-            .map {
-                it.toListStream()
+    override suspend fun getMovies(): Flow<List<ListStream>> {
+        val genres = service.getGenres().toResult().getOrNull()
+        return flow {
+            val response = genres?.genres?.mapNotNull { genre ->
+                service.getMovies(genre.id.toString())
+                    .toResult().getOrNull()?.toListStream(
+                        genre.name
+                    )
             }
+            emit(response ?: emptyList())
+        }
+    }
 }

feature-list-streams/src/main/java/com/codandotv/streamplayerapp/feature_list_streams/data/ListStreamService.kt

@@ -1,10 +1,15 @@
 package com.codandotv.streamplayerapp.feature_list_streams.data
 
 import com.codandotv.streamplayerapp.core_networking.handleError.NetworkResponse
+import com.codandotv.streamplayerapp.feature_list_streams.data.model.GenresResponse
 import com.codandotv.streamplayerapp.feature_list_streams.data.model.ListStreamResponse
 import retrofit2.http.GET
+import retrofit2.http.Query
 
 interface ListStreamService {
     @GET("3/discover/movie")
-    suspend fun getMovies() : NetworkResponse<ListStreamResponse>
+    suspend fun getMovies(@Query("with_genres") genres: String) : NetworkResponse<ListStreamResponse>
+
+    @GET("3/genre/movie/list")
+    suspend fun getGenres(): NetworkResponse<GenresResponse>
 }

feature-list-streams/src/main/java/com/codandotv/streamplayerapp/feature_list_streams/data/model/GenresResponse.kt

@@ -0,0 +1,10 @@
+package com.codandotv.streamplayerapp.feature_list_streams.data.model
+
+data class GenreResponse(
+    val id: Long,
+    val name: String
+)
+
+data class GenresResponse(
+    val genres: List<GenreResponse>
+)

feature-list-streams/src/main/java/com/codandotv/streamplayerapp/feature_list_streams/domain/ListMovieUseCase.kt

@@ -5,14 +5,13 @@ import com.codandotv.streamplayerapp.feature_list_streams.domain.model.ListStrea
 import kotlinx.coroutines.flow.Flow
 
 interface ListStreamUseCase {
-    suspend fun getMovies() : Flow<ListStream>
+    suspend fun getMovies() : Flow<List<ListStream>>
 }
 
 class ListStreamUseCaseImpl(
     private val repository: ListStreamRepository
 ) : ListStreamUseCase {
-    override suspend fun getMovies(): Flow<ListStream> {
-        println(">>>>>>> Curta o video!!!")
+    override suspend fun getMovies(): Flow<List<ListStream>> {
         return repository.getMovies()
     }
 }

feature-list-streams/src/main/java/com/codandotv/streamplayerapp/feature_list_streams/domain/ListStreamMapper.kt

@@ -4,8 +4,9 @@ import com.codandotv.streamplayerapp.feature_list_streams.data.model.ListStreamR
 import com.codandotv.streamplayerapp.feature_list_streams.domain.model.ListStream
 import com.codandotv.streamplayerapp.feature_list_streams.domain.model.Stream
 
-fun ListStreamResponse.toListStream(): ListStream =
+fun ListStreamResponse.toListStream(genre: String): ListStream =
     ListStream(
+        categoryName = genre,
         streams = this.results.map {
             Stream(
                 description = it.overview,

feature-list-streams/src/main/java/com/codandotv/streamplayerapp/feature_list_streams/domain/model/ListStream.kt

@@ -6,5 +6,6 @@ data class Stream(
     val posterPathUrl: String,
 )
 data class ListStream(
+    val categoryName: String,
     val streams: List<Stream>
 )

feature-list-streams/src/main/java/com/codandotv/streamplayerapp/feature_list_streams/presentation/ListStreamUimodel.kt

@@ -7,25 +7,25 @@ import com.codandotv.streamplayerapp.feature_list_streams.presentation.screens.L
 import com.codandotv.streamplayerapp.feature_list_streams.presentation.widgets.StreamsCardContent
 
 interface ListStreamUimodel {
-    fun convertToCardContent(listStream: ListStream): ListStreamsUIState
+    fun convertToCardContent(listStream: List<ListStream>): ListStreamsUIState
 }
 
 class ListStreamUiModelImpl(
     private val resources: Resources
 ) : ListStreamUimodel {
-    override fun convertToCardContent(listStream: ListStream): ListStreamsUIState {
+    override fun convertToCardContent(listStream: List<ListStream>): ListStreamsUIState {
         return ListStreamsUIState(
-            carousels = listOf(
+            carousels = listStream.map {
                 CarouselData(
-                    categoryName = "",
-                    cards = listStream.streams.map {
+                    categoryName = it.categoryName,
+                    cards = it.streams.map { stream ->
                         StreamsCardContent(
-                            contentDescription = it.name,
-                            url = it.posterPathUrl
+                            contentDescription = stream.name,
+                            url = stream.posterPathUrl
                         )
                     }
                 )
-            )
+            }
         )
     }
 }

feature-list-streams/src/main/java/com/codandotv/streamplayerapp/feature_list_streams/presentation/screens/ListStreamsScreen.kt

@@ -1,11 +1,12 @@
 package com.codandotv.streamplayerapp.feature_list_streams.presentation.screens
 
+import androidx.compose.foundation.ScrollState
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.verticalScroll
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.remember
@@ -27,10 +28,11 @@ fun ListStreamsScreen(viewModel: ListStreamViewModel = koinViewModel()) {
         modifier = Modifier
             .background(MaterialTheme.colorScheme.background)
             .fillMaxSize()
+            .verticalScroll(ScrollState(0))
     ) {
         uiState.value.carousels.forEach {
             StreamsCarousel(
-                title = "Category do Server",
+                title = it.categoryName,
                 contentList = it.cards
             )
         }