Fix decoding statuses on GtS with empty strings for urls

Closes #373
See #129

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/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()
+        }
+    }
+    
+}