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Merge pull request #147 from Javernaut/feature/new_protocols_support
New protocols support
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37 changes: 37 additions & 0 deletions
37
app/src/main/java/com/javernaut/whatthecodec/di/DispatcherModule.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,37 @@ | ||
| package com.javernaut.whatthecodec.di | ||
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| import dagger.Module | ||
| import dagger.Provides | ||
| import dagger.hilt.InstallIn | ||
| import dagger.hilt.components.SingletonComponent | ||
| import kotlinx.coroutines.CoroutineDispatcher | ||
| import kotlinx.coroutines.Dispatchers | ||
| import javax.inject.Qualifier | ||
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| @Module | ||
| @InstallIn(SingletonComponent::class) | ||
| object DispatcherModule { | ||
| @DefaultDispatcher | ||
| @Provides | ||
| fun providesDefaultDispatcher(): CoroutineDispatcher = Dispatchers.Default | ||
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| @IoDispatcher | ||
| @Provides | ||
| fun providesIoDispatcher(): CoroutineDispatcher = Dispatchers.IO | ||
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| @MainDispatcher | ||
| @Provides | ||
| fun providesMainDispatcher(): CoroutineDispatcher = Dispatchers.Main | ||
| } | ||
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| @Retention(AnnotationRetention.BINARY) | ||
| @Qualifier | ||
| annotation class DefaultDispatcher | ||
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| @Retention(AnnotationRetention.BINARY) | ||
| @Qualifier | ||
| annotation class IoDispatcher | ||
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| @Retention(AnnotationRetention.BINARY) | ||
| @Qualifier | ||
| annotation class MainDispatcher |
34 changes: 34 additions & 0 deletions
34
app/src/main/java/com/javernaut/whatthecodec/home/domain/FileReadingUseCase.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| package com.javernaut.whatthecodec.home.domain | ||
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| import com.javernaut.whatthecodec.di.IoDispatcher | ||
| import com.javernaut.whatthecodec.home.presentation.MediaFileArgument | ||
| import com.javernaut.whatthecodec.home.presentation.MediaFileProvider | ||
| import io.github.javernaut.mediafile.MediaFile | ||
| import io.github.javernaut.mediafile.model.MediaInfo | ||
| import kotlinx.coroutines.CoroutineDispatcher | ||
| import kotlinx.coroutines.withContext | ||
| import java.io.IOException | ||
| import javax.inject.Inject | ||
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| class FileReadingUseCase @Inject constructor( | ||
| private val mediaFileProvider: MediaFileProvider, | ||
| @IoDispatcher private val ioDispatcher: CoroutineDispatcher | ||
| ) { | ||
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| suspend fun readFile(arg: MediaFileArgument): Result<ReadingResult> = | ||
| withContext(ioDispatcher) { | ||
| val mediaFile = mediaFileProvider.obtainMediaFile(arg.uri) | ||
| ?: return@withContext Result.failure(IOException("Couldn't read the file")) | ||
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| val mediaInfo = mediaFile.readMediaInfo() | ||
| ?: return@withContext Result.failure(IOException("Couldn't read the file's meta data")) | ||
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| Result.success(ReadingResult(mediaFile, mediaInfo)) | ||
| } | ||
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| // Reusing the data types from MediaFile library | ||
| data class ReadingResult( | ||
| val context: MediaFile, | ||
| val metaData: MediaInfo | ||
| ) | ||
| } |
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