Add default request ranges for when Link header is not returned

Pachyderm/Client.swift

@@ -88,6 +88,7 @@ public class Client {
         if let accessToken = accessToken {
             urlRequest.setValue("Bearer \(accessToken)", forHTTPHeaderField: "Authorization")
         }
+        urlRequest.setValue("application/json", forHTTPHeaderField: "Accept")
         return urlRequest
     }
     

Pachyderm/Model/Account.swift

@@ -22,13 +22,47 @@ public class Account: Decodable {
     public let url: URL
     public let avatar: URL
     public let avatarStatic: URL
-    public let header: URL
-    public let headerStatic: URL
+    public let header: URL?
+    public let headerStatic: URL?
     public private(set) var emojis: [Emoji]
     public let moved: Bool?
     public let fields: [Field]?
     public let bot: Bool?
     
+    // we need a custom decoder, because all API-compatible implementations don't return some data in the same format
+    public required init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        self.id = try container.decode(String.self, forKey: .id)
+        self.username = try container.decode(String.self, forKey: .username)
+        self.acct = try container.decode(String.self, forKey: .acct)
+        self.displayName = try container.decode(String.self, forKey: .displayName)
+        self.locked = try container.decode(Bool.self, forKey: .locked)
+        self.createdAt = try container.decode(Date.self, forKey: .createdAt)
+        self.followersCount = try container.decode(Int.self, forKey: .followersCount)
+        self.followingCount = try container.decode(Int.self, forKey: .followingCount)
+        self.statusesCount = try container.decode(Int.self, forKey: .statusesCount)
+        self.note = try container.decode(String.self, forKey: .note)
+        self.url = try container.decode(URL.self, forKey: .url)
+        self.avatar = try container.decode(URL.self, forKey: .avatar)
+        self.avatarStatic = try container.decode(URL.self, forKey: .avatarStatic)
+        if let header = try? container.decodeIfPresent(String.self, forKey: .header),
+            let url = URL(string: header) {
+            self.header = url
+        } else {
+            self.header = nil
+        }
+        if let headerStatic = try? container.decodeIfPresent(String.self, forKey: .headerStatic),
+            let url = URL(string: headerStatic) {
+            self.headerStatic = url
+        } else {
+            self.headerStatic = nil
+        }
+        self.emojis = try container.decode([Emoji].self, forKey: .emojis)
+        self.moved = try container.decodeIfPresent(Bool.self, forKey: .moved)
+        self.fields = try container.decodeIfPresent([Field].self, forKey: .fields)
+        self.bot = try container.decodeIfPresent(Bool.self, forKey: .bot)
+    }
+    
     public static func authorizeFollowRequest(_ account: Account) -> Request<Empty> {
         return Request<Empty>(method: .post, path: "/api/v1/follow_requests/\(account.id)/authorize")
     }

Pachyderm/Model/Attachment.swift

@@ -64,6 +64,17 @@ extension Attachment {
         case gifv
         case audio
         case unknown
+        
+        // we need a custom decoder, because all API-compatible implementations don't return some data in the same format
+        public init(from decoder: Decoder) throws {
+            let container = try decoder.singleValueContainer()
+            let str = try container.decode(String.self)
+            if let kind = Kind(rawValue: str.lowercased()) {
+                self = kind
+            } else {
+                throw DecodingError.dataCorruptedError(in: container, debugDescription: "Attachment type must be one of image, video, gifv, audio, or unknown.")
+            }
+        }
     }
 }
 

Pachyderm/Model/LoginSettings.swift

@@ -10,9 +10,10 @@ import Foundation
 
 public class LoginSettings: Decodable {
     public let accessToken: String
-    private let scope: String
+    private let scope: String?
     
     public var scopes: [Scope] {
+        guard let scope = scope else { return [] }
         return scope.components(separatedBy: .whitespaces).compactMap(Scope.init)
     }
     

Pachyderm/Model/RegisteredApplication.swift

@@ -13,6 +13,27 @@ public class RegisteredApplication: Decodable {
     public let clientID: String
     public let clientSecret: String
     
+    
+    // we need a custom decoder, because all API-compatible implementations don't return some data in the same format
+    public required init(from decoder: Decoder) throws {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        if let id = try? container.decode(String.self, forKey: .id) {
+            self.id = id
+        } else if let id = try? container.decode(Int.self, forKey: .id) {
+            self.id = String(id)
+        } else {
+            throw DecodingError.dataCorruptedError(forKey: CodingKeys.id, in: container, debugDescription: "Expect application id to be string or number")
+        }
+        if let clientID = try? container.decode(String.self, forKey: .clientID) {
+            self.clientID = clientID
+        } else if let clientID = try? container.decode(Int.self, forKey: .clientID) {
+            self.clientID = String(clientID)
+        } else {
+            throw DecodingError.dataCorruptedError(forKey: CodingKeys.id, in: container, debugDescription: "Expect client id to be string or number")
+        }
+        self.clientSecret = try container.decode(String.self, forKey: .clientSecret)
+    }
+    
     private enum CodingKeys: String, CodingKey {
         case id
         case clientID = "client_id"

Tusker/Screens/Profile/ProfileTableViewController.swift

@@ -157,8 +157,8 @@ class ProfileTableViewController: EnhancedTableViewController {
     
     override func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
         if timelineSegments.count > 0 && indexPath.section == timelineSegments.count && indexPath.row == timelineSegments[indexPath.section - 1].count - 1 {
-            guard let older = older else { return }
-            
+            let older = self.older ?? RequestRange.after(id: timelineSegments.last!.last!, count: nil)
+
             getStatuses(for: older) { response in
                 guard case let .success(newStatuses, pagination) = response else { fatalError() }
                 
@@ -183,8 +183,8 @@ class ProfileTableViewController: EnhancedTableViewController {
     }
     
     @objc func refreshStatuses(_ sender: Any) {
-        guard let newer = newer else { return }
-        
+        let newer = self.newer ?? RequestRange.after(id: timelineSegments.first!.first!, count: nil)
+
         getStatuses(for: newer) { response in
             guard case let .success(newStatuses, pagination) = response else { fatalError() }
             

Tusker/Screens/Timeline/TimelineTableViewController.swift

@@ -36,7 +36,7 @@ class TimelineTableViewController: EnhancedTableViewController {
     
     var newer: RequestRange?
     var older: RequestRange?
-    
+
     init(for timeline: Timeline) {
         self.timeline = timeline
         
@@ -105,7 +105,7 @@ class TimelineTableViewController: EnhancedTableViewController {
     override func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
         if indexPath.section == timelineSegments.count - 1,
             indexPath.row == timelineSegments[indexPath.section].count - 1 {
-            guard let older = older else { return }
+            let older = self.older ?? RequestRange.before(id: timelineSegments.last!.last!, count: nil)
             
             let request = MastodonController.client.getStatuses(timeline: timeline, range: older)
             MastodonController.client.run(request) { response in
@@ -130,7 +130,7 @@ class TimelineTableViewController: EnhancedTableViewController {
     }
     
     @objc func refreshStatuses(_ sender: Any) {
-        guard let newer = newer else { return }
+        let newer = self.newer ?? RequestRange.after(id: timelineSegments.first!.first!, count: nil)
         
         let request = MastodonController.client.getStatuses(timeline: timeline, range: newer)
         MastodonController.client.run(request) { response in

Tusker/Views/Profile Header/ProfileHeaderTableViewCell.swift

@@ -63,11 +63,14 @@ class ProfileHeaderTableViewCell: UITableViewCell {
                 self.avatarURL = nil
             }
         }
-        ImageCache.headers.get(account.header) { (data) in
-            guard let data = data else { return }
-            DispatchQueue.main.async {
-                self.headerImageView.image = UIImage(data: data)
-                self.headerURL = nil
+        self.headerImageView.image = nil
+        if let header = account.header {
+            ImageCache.headers.get(header) { (data) in
+                guard let data = data else { return }
+                DispatchQueue.main.async {
+                    self.headerImageView.image = UIImage(data: data)
+                    self.headerURL = nil
+                }
             }
         }
         

Tusker/XCallbackURL/XCBActions.swift

@@ -263,7 +263,7 @@ struct XCBActions {
                 "following": account.followingCount.description,
                 "url": account.url.absoluteString,
                 "avatarURL": account.avatar.absoluteString,
-                "headerURL": account.header.absoluteString
+                "headerURL": account.header?.absoluteString
                 ])
         }
     }
@@ -278,7 +278,7 @@ struct XCBActions {
             "following": account.followingCount.description,
             "url": account.url.absoluteString,
             "avatarURL": account.avatar.absoluteString,
-            "headerURL": account.header.absoluteString
+            "headerURL": account.header?.absoluteString
             ])
     }