downloadFileToTemp

CHANGELOG.md

@@ -4,6 +4,8 @@
 
 * `Core`:
   * New function `regularln` for simple creating of `RegularTextSource` with new line in the end
+* `API`:
+  * New function `downloadFileToTemp` for simple downloading of file in filesystem and manipulation with avoiding of direct using input streams and other low-level things
 * `Versions`:
     * `MicroUtils`: `0.11.0` -> `0.11.3`
 

tgbotapi.api/src/jvmMain/kotlin/dev/inmo/tgbotapi/extensions/api/files/DownloadFileToTempFile.kt

@@ -0,0 +1,57 @@
+package dev.inmo.tgbotapi.extensions.api.files
+
+import com.benasher44.uuid.uuid4
+import dev.inmo.micro_utils.common.filename
+import dev.inmo.micro_utils.coroutines.doOutsideOfCoroutine
+import dev.inmo.tgbotapi.bot.TelegramBot
+import dev.inmo.tgbotapi.extensions.api.get.getFileAdditionalInfo
+import dev.inmo.tgbotapi.requests.abstracts.FileId
+import dev.inmo.tgbotapi.types.files.PathedFile
+import dev.inmo.tgbotapi.types.files.TelegramMediaFile
+import dev.inmo.tgbotapi.types.message.content.MediaContent
+import dev.inmo.tgbotapi.utils.fileExtension
+import io.ktor.util.cio.use
+import io.ktor.util.cio.writeChannel
+import io.ktor.utils.io.copyTo
+import kotlinx.coroutines.job
+import java.io.File
+import kotlin.coroutines.coroutineContext
+
+suspend fun TelegramBot.downloadFileToTemp(
+    filePath: String
+): File {
+    return downloadFile(
+        filePath,
+        File.createTempFile(uuid4().toString(), "_temp").apply {
+            deleteOnExit()
+        }
+    )
+}
+
+suspend fun TelegramBot.downloadFileToTemp(
+    pathedFile: PathedFile
+) = downloadFileToTemp(
+    pathedFile.filePath
+).apply {
+    runCatching {
+        renameTo(File(parentFile, "$nameWithoutExtension.${pathedFile.fileName.fileExtension}"))
+    }
+}
+
+suspend fun TelegramBot.downloadFileToTemp(
+    fileId: FileId
+) = downloadFileToTemp(
+    getFileAdditionalInfo(fileId)
+)
+
+suspend fun TelegramBot.downloadFileToTemp(
+    file: TelegramMediaFile
+): File = downloadFileToTemp(
+    getFileAdditionalInfo(file)
+)
+
+suspend fun TelegramBot.downloadFileToTemp(
+    file: MediaContent
+) = downloadFileToTemp(
+    getFileAdditionalInfo(file.media)
+)