Use AppSettings.fileUploadConfig for setting supported UTI types for the file picker (#713)

Author: laevandus

CHANGELOG.md

@@ -4,6 +4,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 # Upcoming
 
 ### ✅ Added
+- Use `AppSettings.fileUploadConfig` for setting supported UTI types for the file picker [#713](https://github.com/GetStream/stream-chat-swiftui/pull/713)
 - Colors and images for voice recording view [#704](https://github.com/GetStream/stream-chat-swiftui/pull/704)
   - `ColorPalette.voiceMessageControlBackground`
   - `Images.pauseFilled`

Sources/StreamChatSwiftUI/ChatChannel/Composer/FilePickerView.swift

@@ -3,17 +3,25 @@
 //
 
 import SwiftUI
+import UniformTypeIdentifiers
 
 /// SwiftUI wrapper for picking files from the device.
 public struct FilePickerView: UIViewControllerRepresentable {
+    @Injected(\.chatClient) var client
     @Binding var fileURLs: [URL]
 
     public func makeUIViewController(context: Context) -> UIDocumentPickerViewController {
-        let picker = UIDocumentPickerViewController(forOpeningContentTypes: [.item])
+        let picker = UIDocumentPickerViewController(forOpeningContentTypes: openingContentTypes)
         picker.delegate = context.coordinator
         picker.allowsMultipleSelection = true
         return picker
     }
+    
+    var openingContentTypes: [UTType] {
+        guard let settings = client.appSettings else { return [.item] }
+        let allowedUTITypes = settings.fileUploadConfig.allowedUTITypes.compactMap { UTType($0) }
+        return allowedUTITypes.isEmpty ? [.item] : allowedUTITypes
+    }
 
     public func updateUIViewController(_ uiViewController: UIDocumentPickerViewController, context: Context) {
         // We don't need handling updates of the VC at the moment.

StreamChatSwiftUI.xcodeproj/project.pbxproj

@@ -20,6 +20,7 @@
 		4F7DD9A02BFC7C6100599AA6 /* ChatClient+Extensions.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4F7DD99F2BFC7C6100599AA6 /* ChatClient+Extensions.swift */; };
 		4F7DD9A22BFCB2EF00599AA6 /* ChatClientExtensions_Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4F7DD9A12BFCB2EF00599AA6 /* ChatClientExtensions_Tests.swift */; };
 		4FD3592A2C05EA8F00B1D63B /* CreatePollViewModel_Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4FD359292C05EA8F00B1D63B /* CreatePollViewModel_Tests.swift */; };
+		4FD964622D353D88001B6838 /* FilePickerView_Tests.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4FD964612D353D82001B6838 /* FilePickerView_Tests.swift */; };
 		4FEAB3182BFF71F70057E511 /* SwiftUI+UIAlertController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 4FEAB3172BFF71F70057E511 /* SwiftUI+UIAlertController.swift */; };
 		8205B4142AD41CC700265B84 /* StreamSwiftTestHelpers in Frameworks */ = {isa = PBXBuildFile; productRef = 8205B4132AD41CC700265B84 /* StreamSwiftTestHelpers */; };
 		8205B4182AD4267200265B84 /* StreamSwiftTestHelpers in Frameworks */ = {isa = PBXBuildFile; productRef = 8205B4172AD4267200265B84 /* StreamSwiftTestHelpers */; };
@@ -608,6 +609,7 @@
 		4F7DD99F2BFC7C6100599AA6 /* ChatClient+Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "ChatClient+Extensions.swift"; sourceTree = "<group>"; };
 		4F7DD9A12BFCB2EF00599AA6 /* ChatClientExtensions_Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ChatClientExtensions_Tests.swift; sourceTree = "<group>"; };
 		4FD359292C05EA8F00B1D63B /* CreatePollViewModel_Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = CreatePollViewModel_Tests.swift; sourceTree = "<group>"; };
+		4FD964612D353D82001B6838 /* FilePickerView_Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = FilePickerView_Tests.swift; sourceTree = "<group>"; };
 		4FEAB3172BFF71F70057E511 /* SwiftUI+UIAlertController.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "SwiftUI+UIAlertController.swift"; sourceTree = "<group>"; };
 		820A619F29D6D78E002257FB /* QuotedReply_Tests.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = QuotedReply_Tests.swift; sourceTree = "<group>"; };
 		825AADF3283CCDB000237498 /* ThreadPage.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ThreadPage.swift; sourceTree = "<group>"; };
@@ -2116,6 +2118,7 @@
 				84C94D5027591DE2007FE2B9 /* ChatMessageIDs_Tests.swift */,
 				84204BFD2C052BD600AE522B /* CreatePollView_Tests.swift */,
 				4FD359292C05EA8F00B1D63B /* CreatePollViewModel_Tests.swift */,
+				4FD964612D353D82001B6838 /* FilePickerView_Tests.swift */,
 				84AB7B20277203EF00631A10 /* GalleryView_Tests.swift */,
 				8469592E29BB235400134EA0 /* LazyImageExtensions_Tests.swift */,
 				840008BA27E8D64A00282D88 /* MessageActions_Tests.swift */,
@@ -2992,6 +2995,7 @@
 				84DEC8DF2760A1D100172876 /* MessageView_Tests.swift in Sources */,
 				847F7949282A91AD0009F74C /* ChatChannelView_Tests.swift in Sources */,
 				84CC3734290B0C2900689B73 /* ChatMessageControllerSUI_Mock.swift in Sources */,
+				4FD964622D353D88001B6838 /* FilePickerView_Tests.swift in Sources */,
 				91B763A6283EB39600B458A9 /* MoreChannelActionsFullScreenWrappingView_Tests.swift in Sources */,
 				846608E9278C98CB00D3D7B3 /* TypingIndicatorView_Tests.swift in Sources */,
 				8421BCEC27A400E8000F977D /* ReactionsUsersView_Tests.swift in Sources */,

StreamChatSwiftUITests/Tests/ChatChannel/FilePickerView_Tests.swift

@@ -0,0 +1,24 @@
+//
+// Copyright © 2025 Stream.io Inc. All rights reserved.
+//
+
+@testable import StreamChat
+@testable import StreamChatSwiftUI
+@testable import StreamChatTestTools
+import UniformTypeIdentifiers
+import XCTest
+
+final class FilePickerView_Tests: StreamChatTestCase {
+    func test_openingContentTypes_default() {
+        let picker = FilePickerView(fileURLs: .constant([]))
+        XCTAssertEqual(picker.openingContentTypes, [UTType.item])
+    }
+    
+    func test_openingContentTypes_allowedLists() {
+        chatClient.mockedAppSettings = .mock(fileUploadConfig: .mock(allowedFileExtensions: [".pdf"]))
+        XCTAssertEqual(FilePickerView(fileURLs: .constant([])).openingContentTypes, [UTType.pdf])
+        
+        chatClient.mockedAppSettings = .mock(fileUploadConfig: .mock(allowedMimeTypes: ["audio/mp3"]))
+        XCTAssertEqual(FilePickerView(fileURLs: .constant([])).openingContentTypes, [UTType.mp3])
+    }
+}