feat(file): property option for keep file name

LeanCloudTests/IMMessageTestCase.swift

@@ -731,7 +731,11 @@ class IMMessageTestCase: RTMBaseTestCase {
     func testFileMessageSendingAndReceiving() {
         let message = IMFileMessage()
         let format: String = "zip"
-        message.file = LCFile(payload: .fileURL(fileURL: bundleResourceURL(name: "test", ext: format)))
+        let file = LCFile(payload: .fileURL(fileURL: bundleResourceURL(name: "test", ext: format)))
+        let name = "\(uuid).\(format)"
+        file.keepFileName = true
+        file.name = name.lcString
+        message.file = file
         let success = sendingAndReceiving(sentMessage: message) { (rMessage) in
             XCTAssertNotNil(rMessage?.file?.objectId?.value)
             XCTAssertEqual(rMessage?.format, format)
@@ -742,6 +746,7 @@ class IMMessageTestCase: RTMBaseTestCase {
             XCTAssertEqual(rMessage?.size, message.size)
             XCTAssertEqual(rMessage?.url, message.url)
         }
+        XCTAssertEqual(message.url?.absoluteString.hasSuffix(name), true)
         XCTAssertTrue(success)
     }
 

Sources/Foundation/File.swift

@@ -104,6 +104,9 @@ public class LCFile: LCObject {
 
     // MARK: Save
 
+    /// If set it to `true`, then will use "/\(LCFile.name)" as URL suffix when creating file from payload. default is `false`.
+    public var keepFileName: Bool = false
+
     /// Save Options
     public struct Options: OptionSet {
         public let rawValue: Int

Sources/Foundation/FileUploader.swift

@@ -252,7 +252,8 @@ class FileUploader {
         parameters["key"] = attributes.resourceKey
         parameters["name"] = attributes.name
         parameters["mime_type"] = attributes.mimeType
-        if self.options.contains(.keepFileName) {
+        if self.options.contains(.keepFileName)
+            || self.file.keepFileName {
             parameters["keep_file_name"] = true
         }