Fix replies appearing multiple times in drafts

Tusker/Models/Draft.swift

@@ -62,7 +62,7 @@ class Draft: Codable, ObservableObject {
         self.attachments = try container.decode([CompositionAttachment].self, forKey: .attachments)
         self.inReplyToID = try container.decode(String?.self, forKey: .inReplyToID)
         self.visibility = try container.decode(Status.Visibility.self, forKey: .visibility)
-        self.poll = try container.decode(Poll.self, forKey: .poll)
+        self.poll = try container.decode(Poll?.self, forKey: .poll)
         self.localOnly = try container.decodeIfPresent(Bool.self, forKey: .localOnly) ?? false
         
         self.initialText = try container.decode(String.self, forKey: .initialText)

Tusker/Models/DraftsManager.swift

@@ -34,21 +34,39 @@ class DraftsManager: Codable {
     
     private init() {}
     
-    var drafts: [Draft] = []
+    required init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        
+        if let dict = try? container.decode([UUID: Draft].self, forKey: .drafts) {
+            self.drafts = dict
+        } else if let array = try? container.decode([Draft].self, forKey: .drafts) {
+            self.drafts = array.reduce(into: [:], { partialResult, draft in
+                partialResult[draft.id] = draft
+            })
+        } else {
+            throw DecodingError.dataCorruptedError(forKey: .drafts, in: container, debugDescription: "expected drafts to be a dict or array of drafts")
+        }
+    }
+    
+    private var drafts: [UUID: Draft] = [:]
     var sorted: [Draft] {
-        return drafts.sorted(by: { $0.lastModified > $1.lastModified })
+        return drafts.values.sorted(by: { $0.lastModified > $1.lastModified })
     }
     
     func add(_ draft: Draft) {
-        drafts.append(draft)
+        drafts[draft.id] = draft
     }
     
     func remove(_ draft: Draft) {
-        drafts.removeAll { $0 == draft }
+        drafts.removeValue(forKey: draft.id)
     }
     
     func getBy(id: UUID) -> Draft? {
-        return drafts.first { $0.id == id }
+        return drafts[id]
+    }
+    
+    enum CodingKeys: String, CodingKey {
+        case drafts
     }
     
 }

Tusker/TuskerNavigationDelegate.swift

@@ -104,7 +104,6 @@ extension TuskerNavigationDelegate {
     
     func compose(inReplyToID: String? = nil, mentioningAcct: String? = nil) {
         let draft = apiController.createDraft(inReplyToID: inReplyToID, mentioningAcct: mentioningAcct)
-        DraftsManager.shared.add(draft)
         compose(editing: draft)
     }