Fix decoding statuses on GtS with empty strings for urls

Closes #373
See #129

Packages/ComposeUI/Tests/ComposeUITests/CharacterCounterTests.swift

@@ -1,13 +1,14 @@
 //
 //  CharacterCounterTests.swift
-//  PachydermTests
+//  ComposeUITests
 //
 //  Created by Shadowfacts on 9/29/18.
 //  Copyright © 2018 Shadowfacts. All rights reserved.
 //
 
 import XCTest
-@testable import Pachyderm
+@testable import ComposeUI
+import InstanceFeatures
 
 class CharacterCounterTests: XCTestCase {
 
@@ -16,32 +17,34 @@ class CharacterCounterTests: XCTestCase {
 
     override func tearDown() {
     }
+    
+    let features = InstanceFeatures()
 
     func testCountEmpty() {
-        XCTAssertEqual(CharacterCounter.count(text: ""), 0)
+        XCTAssertEqual(CharacterCounter.count(text: "", for: features), 0)
     }
     
     func testCountPlainText() {
-        XCTAssertEqual(CharacterCounter.count(text: "This is an example message"), 26)
-        XCTAssertEqual(CharacterCounter.count(text: "This is an example message with an Emoji: 😄"), 43)
-        XCTAssertEqual(CharacterCounter.count(text: "😄😄😄😄😄😄😄"), 7)
+        XCTAssertEqual(CharacterCounter.count(text: "This is an example message", for: features), 26)
+        XCTAssertEqual(CharacterCounter.count(text: "This is an example message with an Emoji: 😄", for: features), 43)
+        XCTAssertEqual(CharacterCounter.count(text: "😄😄😄😄😄😄😄", for: features), 7)
     }
     
     func testCountLinks() {
-        XCTAssertEqual(CharacterCounter.count(text: "This is an example with a link: https://example.com"), 55)
-        XCTAssertEqual(CharacterCounter.count(text: "This is an example with a link 😄: https://example.com"), 57)
-        XCTAssertEqual(CharacterCounter.count(text: "😄😄😄😄😄😄😄: https://example.com"), 32)
-        XCTAssertEqual(CharacterCounter.count(text: "This is an example with a link: https://a.much.longer.example.com/link?foo=bar#baz"), 55)
+        XCTAssertEqual(CharacterCounter.count(text: "This is an example with a link: https://example.com", for: features), 55)
+        XCTAssertEqual(CharacterCounter.count(text: "This is an example with a link 😄: https://example.com", for: features), 57)
+        XCTAssertEqual(CharacterCounter.count(text: "😄😄😄😄😄😄😄: https://example.com", for: features), 32)
+        XCTAssertEqual(CharacterCounter.count(text: "This is an example with a link: https://a.much.longer.example.com/link?foo=bar#baz", for: features), 55)
     }
     
     func testCountLocalMentions() {
-        XCTAssertEqual(CharacterCounter.count(text: "hello @example"), 14)
-        XCTAssertEqual(CharacterCounter.count(text: "@some_really_long_name"), 22)
+        XCTAssertEqual(CharacterCounter.count(text: "hello @example", for: features), 14)
+        XCTAssertEqual(CharacterCounter.count(text: "@some_really_long_name", for: features), 22)
     }
     
     func testCountRemoteMentions() {
-        XCTAssertEqual(CharacterCounter.count(text: "hello @example@some.remote.social"), 14)
-        XCTAssertEqual(CharacterCounter.count(text: "hello @some_really_long_name@some-long.remote-instance.social"), 28)
+        XCTAssertEqual(CharacterCounter.count(text: "hello @example@some.remote.social", for: features), 14)
+        XCTAssertEqual(CharacterCounter.count(text: "hello @some_really_long_name@some-long.remote-instance.social", for: features), 28)
     }
 
 }

Packages/Pachyderm/.swiftpm/xcode/xcshareddata/xcschemes/Pachyderm.xcscheme

@@ -17,7 +17,7 @@
                BlueprintIdentifier = "D61099AA2144B0CC00432DC2"
                BuildableName = "Pachyderm.framework"
                BlueprintName = "Pachyderm"
-               ReferencedContainer = "container:Tusker.xcodeproj">
+               ReferencedContainer = "container:../../Tusker.xcodeproj">
             </BuildableReference>
          </BuildActionEntry>
       </BuildActionEntries>
@@ -35,7 +35,7 @@
                BlueprintIdentifier = "PachydermTests"
                BuildableName = "PachydermTests"
                BlueprintName = "PachydermTests"
-               ReferencedContainer = "container:Pachyderm">
+               ReferencedContainer = "container:">
             </BuildableReference>
          </TestableReference>
       </Testables>
@@ -56,7 +56,7 @@
             BlueprintIdentifier = "D61099AA2144B0CC00432DC2"
             BuildableName = "Pachyderm.framework"
             BlueprintName = "Pachyderm"
-            ReferencedContainer = "container:Tusker.xcodeproj">
+            ReferencedContainer = "container:../../Tusker.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
    </LaunchAction>
@@ -72,7 +72,7 @@
             BlueprintIdentifier = "D61099AA2144B0CC00432DC2"
             BuildableName = "Pachyderm.framework"
             BlueprintName = "Pachyderm"
-            ReferencedContainer = "container:Tusker.xcodeproj">
+            ReferencedContainer = "container:../../Tusker.xcodeproj">
          </BuildableReference>
       </MacroExpansion>
    </ProfileAction>

Packages/Pachyderm/Sources/Pachyderm/Model/Status.swift

@@ -51,8 +51,12 @@ public final class Status: StatusProtocol, Decodable, Sendable {
         do {
             self.url = try container.decodeIfPresent(WebURL.self, forKey: .url)
         } catch {
-            let s = (try? container.decode(String.self, forKey: .url)) ?? "<failed to decode string>"
-            throw DecodingError.dataCorruptedError(forKey: .url, in: container, debugDescription: "Could not decode URL '\(s)', reason: \(String(describing: error))")
+            let s = try? container.decode(String.self, forKey: .url)
+            if s == "" {
+                self.url = nil
+            } else {
+                throw DecodingError.dataCorrupted(.init(codingPath: container.codingPath + [CodingKeys.url], debugDescription: "Could not decode URL '\(s ?? "<failed to decode string>")'", underlyingError: error))
+            }
         }
         self.account = try container.decode(Account.self, forKey: .account)
         self.inReplyToID = try container.decodeIfPresent(String.self, forKey: .inReplyToID)

Packages/Pachyderm/Tests/PachydermTests/NotificationGroupTests.swift

@@ -8,6 +8,7 @@
 import XCTest
 @testable import Pachyderm
 
+@MainActor
 class NotificationGroupTests: XCTestCase {
     
     let decoder: JSONDecoder = {

Packages/Pachyderm/Tests/PachydermTests/StatusTests.swift

@@ -0,0 +1,53 @@
+//
+//  StatusTests.swift
+//  
+//
+//  Created by Shadowfacts on 5/8/23.
+//
+
+import XCTest
+@testable import Pachyderm
+
+final class StatusTests: XCTestCase {
+
+    func testDecode() {
+        let data = """
+{
+    "id": "1",
+    "uri": "https://example.com/a/1",
+    "url": "",
+    "account": {
+        "id": "2",
+        "username": "a",
+        "acct": "a",
+        "display_name": "",
+        "locked": false,
+        "created_at": 0,
+        "followers_count": 0,
+        "following_count": 0,
+        "statuses_count": 0,
+        "note": "",
+        "url": "https://example.com/a"
+    },
+    "content": "",
+    "created_at": 0,
+    "emojis": [],
+    "reblogs_count": 0,
+    "favourites_count":  0,
+    "sensitive": false,
+    "spoiler_text": "",
+    "visibility": "public",
+    "media_attachments": [],
+    "mentions": [],
+    "tags": []
+}
+""".data(using: .utf8)!
+        do {
+            _ = try JSONDecoder().decode(Status.self, from: data)
+        } catch {
+            print(error)
+            XCTFail()
+        }
+    }
+    
+}

Tusker/Screens/Notifications/NotificationsCollectionViewController.swift

@@ -355,8 +355,24 @@ extension NotificationsCollectionViewController {
     }
     
     func handlePrependItems(_ timelineItems: [NotificationGroup]) async {
+        let topItem = dataSource.snapshot().itemIdentifiers(inSection: .notifications).first
+        
         // we always replace all, because new items are merged with existing ones
         await handleReplaceAllItems(timelineItems)
+        
+        // preserve the scroll position
+        // todo: this won't work for cmd+r when not at top
+        if let topID = topItem?.group?.notifications.first?.id {
+            // the exact item may have changed, due to merging
+            let newTopGroup = timelineItems.first {
+                $0.notifications.contains {
+                    $0.id == topID
+                }
+            }!
+            if let newTopIndexPath = dataSource.indexPath(for: .group(newTopGroup)) {
+                collectionView.scrollToItem(at: newTopIndexPath, at: .top, animated: false)
+            }
+        }
     }
     
     func loadOlder() async throws -> [NotificationGroup] {

Tusker/Screens/Utilities/TimelineLikeCollectionViewController.swift

@@ -153,6 +153,7 @@ extension TimelineLikeCollectionViewController {
         }
         await apply(snapshot, animatingDifferences: false)
         
+        // todo: this won't work for cmd+r when not at top
         if let first,
            let indexPath = dataSource.indexPath(for: first) {
             // TODO: i can't tell if this actually works or not