feat: Add downloader plugin system #2041
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Eu gostaria que você comentasse um pouco mais sobre como funcionaria esse sistema de plugin para leigos em um texto se fosse possível para eu já ficar sabendo como funciona, acompanhe o projeto de você |
| interface DownloaderPlugin<A : DownloaderPlugin.App> { | ||
| val pagingConfig: PagingConfig | ||
| fun createPagingSource(parameters: SearchParameters): PagingSource<*, A> | ||
| suspend fun download(app: A, parameters: DownloadParameters) |
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In DSL an API like this would be better:
downloader {
download { it: A -> inputStream to total }
}| * @param packageName The package name to search for. | ||
| * @param versionHint The preferred version to search for. It is not mandatory to respect this parameter. | ||
| */ | ||
| class SearchParameters(val packageName: String, val versionHint: String?) |
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SearchParameters can be converted to direct parameters in createPagingSource function
| * @param targetFile The location where the downloaded APK should be saved. | ||
| * @param onDownloadProgress A callback for reporting download progress. | ||
| */ | ||
| class DownloadParameters( |
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DownloadParameters can be converted to direct parameters in download function
| * @param onDownloadProgress A callback for reporting download progress. | ||
| */ | ||
| class DownloadParameters( | ||
| val targetFile: File, |
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Probably a stream is better for the API to write to.
| val targetFile: File, | |
| val output: OutputStream, |
| */ | ||
| class DownloadParameters( | ||
| val targetFile: File, | ||
| val onDownloadProgress: suspend (progress: Pair<BytesReceived, BytesTotal>?) -> Unit |
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Two parameters instead of a Pair is simpler, BytesTotal must be nullable in case total can't be reported by downloader. A spinner with current downloaded bytes can be shown.
| ) | ||
| } | ||
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| typealias BytesReceived = Int |
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Named parameters can be used instead of type alias
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| override fun createPagingSource(parameters: DownloaderPlugin.SearchParameters) = | ||
| singlePagePagingSource { | ||
| val impl = withContext(Dispatchers.IO) { getPackageInfo(parameters.packageName) }?.let { |
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The context can be set when calling the createPagingSource function. The implementation can still switch context. This behaviour should be documented in the inline docs of this function so the user knows that this function is called on IO.
| override fun createPagingSource(parameters: DownloaderPlugin.SearchParameters) = | ||
| singlePagePagingSource { | ||
| val impl = withContext(Dispatchers.IO) { getPackageInfo(parameters.packageName) }?.let { | ||
| AppImpl( |
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Probably PMDownloader and PMApp would be a better name for purpose of an example instead of "AppImpl"
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ReVanced Manager Compose
Implements a plugin system for downloaders.