Hard-code ignore files with prefix .trashed

app/src/androidTest/java/com/owncloud/android/utils/SyncedFolderUtilsTest.kt

@@ -11,6 +11,7 @@ import com.owncloud.android.AbstractIT
 import com.owncloud.android.datamodel.MediaFolder
 import com.owncloud.android.datamodel.MediaFolderType
 import com.owncloud.android.datamodel.SyncedFolder
+import com.owncloud.android.utils.SyncedFolderUtils.hasExcludePrefix
 import org.apache.commons.io.FileUtils
 import org.junit.AfterClass
 import org.junit.Assert
@@ -205,6 +206,21 @@ class SyncedFolderUtilsTest : AbstractIT() {
         Assert.assertFalse(SyncedFolderUtils.isQualifyingMediaFolder(folder))
     }
 
+    @Test
+    fun testInstantUploadPathIgnoreExcludedPrefixes() {
+        val testFiles = listOf(
+            "IMG_nnn.jpg",
+            "my_documents",
+            "Music",
+            ".trashed_IMG_nnn.jpg",
+            ".pending_IMG_nnn.jpg",
+            ".nomedia",
+            ".thumbdata_IMG_nnn",
+            ".thumbnail"
+        ).filter { !hasExcludePrefix(it) }
+        Assert.assertTrue(testFiles.size == 3)
+    }
+
     companion object {
         private const val SELFIE = "selfie.png"
         private const val SCREENSHOT = "screenshot.JPG"

app/src/main/java/com/owncloud/android/utils/SyncedFolderUtils.kt

@@ -24,9 +24,14 @@ object SyncedFolderUtils {
     )
     private val DISQUALIFIED_MEDIA_DETECTION_FILE_SET: Set<String> = DISQUALIFIED_MEDIA_DETECTION_SOURCE.toSet()
     private val AUTO_QUALIFYING_FOLDER_TYPE_SET: Set<MediaFolderType> = setOf(MediaFolderType.CUSTOM)
-    private const val THUMBNAIL_FOLDER_PREFIX = ".thumbnail"
-    private const val THUMBNAIL_DATA_FILE_PREFIX = ".thumbdata"
     private const val SINGLE_FILE = 1
+    private val EXCLUDE_PREFIXES = listOf(
+        ".thumbnail",
+        ".thumbdata",
+        ".trashed",
+        ".pending",
+        ".nomedia"
+    )
 
     /**
      * analyzes a given media folder if its content qualifies for the folder to be handled as a media folder.
@@ -105,7 +110,7 @@ object SyncedFolderUtils {
         }
         val folder = File(folderPath)
         // check if folder starts with thumbnail prefix
-        return folder.isDirectory && !folder.name.startsWith(THUMBNAIL_FOLDER_PREFIX)
+        return folder.isDirectory && !hasExcludePrefix(folder.name)
     }
 
     /**
@@ -129,7 +134,7 @@ object SyncedFolderUtils {
         return when {
             fileName != null -> {
                 !DISQUALIFIED_MEDIA_DETECTION_FILE_SET.contains(fileName.lowercase()) &&
-                    !fileName.startsWith(THUMBNAIL_DATA_FILE_PREFIX)
+                    !hasExcludePrefix(fileName)
             }
             else -> false
         }
@@ -148,4 +153,22 @@ object SyncedFolderUtils {
             .sortedBy { it.second }
             .map { it.first }
     }
+
+    /**
+     * check if file or folder name has prefix in the list to exclude from auto upload
+     *
+     * @param name name of file to check
+     * @return `true` if file has one of the prefixes in EXCLUDE_FILENAME_PREFIXES
+     */
+    fun hasExcludePrefix(name: String?): Boolean {
+        val hasPrefix = false
+        if (name != null) {
+            EXCLUDE_PREFIXES.forEach {
+                if (name.startsWith(it)) {
+                    return true
+                }
+            }
+        }
+        return false
+    }
 }