Use template where clause to avoid a runtime type test.

Packages/Backend/Sources/Backend/Extensions/URL+StaticString.swift

@@ -0,0 +1,19 @@
+//
+//  URL+StaticString.swift
+//  
+//
+//  Created by Dan Korkelia on 01/01/2021.
+//
+
+import Foundation
+
+extension URL {
+    /// Use this init for static URL strings to avoid using force unwrap or doing redundant error handling
+    /// - Parameter string: static url ie https://www.example.com/privacy/
+    init(staticString: StaticString) {
+        guard let url = URL(string: "\(staticString)") else {
+            fatalError("URL is illegal: \(staticString)")
+        }
+        self = url
+    }
+}

Packages/Backend/Sources/Backend/Models/Award.swift

@@ -0,0 +1,24 @@
+//
+//  File.swift
+//  
+//
+//  Created by Thomas Ricouard on 05/08/2020.
+//
+
+import Foundation
+
+public struct Award: Decodable, Identifiable {
+    public let id: String
+    public let name: String
+    public let staticIconUrl: URL
+    public let description: String
+    public let count: Int
+    public let coinPrice: Int
+
+    public static let `default` = Award(id: "award",
+                                           name: "Awesome",
+                                           staticIconUrl: URL(staticString: "https://i.redd.it/award_images/t5_22cerq/5smbysczm1w41_Hugz.png"),
+                                           description: "Awesome reward",
+                                           count: 5,
+                                           coinPrice: 200)
+}

Packages/Backend/Sources/Backend/Models/Comment.swift

@@ -17,12 +17,27 @@ public struct Comment: Decodable, Identifiable {
     public let id: String
     public let name: String
     public let body: String?
+    public let isSubmitter: Bool?
     public let author: String?
     public let lindId: String?
     public let created: Date?
     public let createdUtc: Date?
     public let replies: Replies?
-    public let score: Int?
+    public var score: Int?
+    public var likes: Bool?
+    public let allAwardings: [Award]?
+    public var saved: Bool?
+
+    public let permalink: String?
+    public var permalinkURL: URL? {
+        guard let permalink = permalink else { return nil }
+        return URL(string: "https://reddit.com\(permalink)")
+    }
+
+    public let authorFlairRichtext: [FlairRichText]?
+    public let authorFlairText: String?
+    public let authorFlairTextColor: String?
+    public let authorFlairBackgroundColor: String?
 
     public var repliesComments: [Comment]? {
         if let replies = replies {
@@ -53,11 +68,19 @@ public enum Replies: Decodable {
 
 public let static_comment = Comment(id: UUID().uuidString,
                                     name: "t1_id",
-                                    body: "Comment text with a long line of text \n and another line.",
+                                    body: "Comment text with a long line of text\nThis is another line.",
+                                    isSubmitter: false,
                                     author: "TestUser",
                                     lindId: "",
                                     created: Date(),
                                     createdUtc: Date(),
                                     replies: .none(""),
-                                    score: 2500)
+                                    score: 2500,
+                                    allAwardings: [],
+                                    saved: false,
+                                    permalink: "",
+                                    authorFlairRichtext: nil,
+                                    authorFlairText: nil,
+                                    authorFlairTextColor: nil,
+                                    authorFlairBackgroundColor: nil)
 public let static_comments = [static_comment, static_comment, static_comment]

Packages/Backend/Sources/Backend/Models/FlairRichText.swift

@@ -0,0 +1,23 @@
+//
+//  File.swift
+//  
+//
+//  Created by Thomas Ricouard on 10/08/2020.
+//
+
+import Foundation
+
+public struct FlairRichText: Decodable, Hashable {
+    public func hash(into hasher: inout Hasher) {
+        hasher.combine(e)
+        hasher.combine(u)
+        hasher.combine(t)
+    }
+
+    /// type
+    public let e: String
+    /// image URL
+    public let u: URL?
+    /// text
+    public let t: String?
+}

Packages/Backend/Sources/Backend/Models/Listing.swift

@@ -28,14 +28,24 @@ public struct ListingHolder<T: Decodable>: Decodable {
         case kind, data
     }
 
-    public init(from decoder: Decoder) throws {
+    public init(from decoder: Decoder) throws
+    where T == GenericListingContent
+    {
         let container = try decoder.container(keyedBy: CodingKeys.self)
         kind = try container.decode(String.self, forKey: .kind)
-        if T.self == GenericListingContent.self {
-            data = try GenericListingContent(from: decoder) as! T
-        } else {
-            data = try container.decode(T.self, forKey: .data)
-        }
+        data = try T(from: decoder)
+    }
+
+    public init(from decoder: Decoder) throws
+    {
+        let container = try decoder.container(keyedBy: CodingKeys.self)
+        kind = try container.decode(String.self, forKey: .kind)
+        // This assert can be removed before merging the
+        // patch. It's just here to verify that
+        // the specialized init, above, is used for
+        // when T is a GenericListingContent.
+        assert(T.self != GenericListingContent.self)
+        data = try container.decode(T.self, forKey: .data)
     }
 }
 

Packages/Backend/Sources/Backend/Models/Media.swift

@@ -0,0 +1,52 @@
+//
+//  File.swift
+//  
+//
+//  Created by Thomas Ricouard on 05/08/2020.
+//
+
+import Foundation
+
+public struct SecureMedia: Decodable {
+    public let redditVideo: RedditVideo?
+    public let oembed: Oembed?
+
+    public var video: Video? {
+        if let video = redditVideo {
+            return Video(url: video.fallbackUrl, width: video.width, height: video.height)
+        } else if oembed?.type == "video",
+                  let oembed = oembed,
+                  let url = oembed.url,
+                  let width = oembed.width,
+                  let height = oembed.height {
+            return Video(url: url, width: width, height: height)
+        }
+        return nil
+    }
+}
+
+public struct RedditVideo: Decodable {
+    public let fallbackUrl: URL
+    public let height: Int
+    public let width: Int
+}
+
+public struct Oembed: Decodable {
+    public let providerUrl: URL?
+    public let thumbnailUrl: String?
+    public var thumbnailUrlAsURL: URL? {
+        thumbnailUrl != nil ? URL(string: thumbnailUrl!) : nil
+    }
+    public let url: URL?
+    public let width: Int?
+    public let height: Int?
+    public let thumbnailWidth: Int?
+    public let thumbnailHeight: Int?
+    public let type: String?
+}
+
+public struct Video {
+    public let url: URL
+    public let width: Int
+    public let height: Int
+}

Packages/Backend/Sources/Backend/Models/Subreddit.swift

@@ -2,6 +2,7 @@ import Foundation
 
 public struct Subreddit: Codable, Identifiable {
     public let id: String
+    public let name: String
     public let displayName: String
     public let title: String
     public let publicDescription: String?
@@ -12,4 +13,26 @@ public struct Subreddit: Codable, Identifiable {
     public let bannerImg: String?
     public let subscribers: Int?
     public let accountsActive: Int?
+    public let createdUtc: Date
+    public let url: String
+    public var redditURL: URL {
+        URL(string: "https://reddit.com\(url)")!
+    }
+    public var userIsSubscriber: Bool?
 }
+
+public let static_subreddit_full = Subreddit(id: "games",
+                                             name: "t3_fjfj",
+                                             displayName: "games",
+                                             title: "games",
+                                             publicDescription: "a description",
+                                             primaryColor: "#545452",
+                                             keyColor: "#545452",
+                                             bannerBackgroundColor: "#545452",
+                                             iconImg: "https://a.thumbs.redditmedia.com/8hr1PTpJ9iWLNWP67vZN0w3IEP8uI3eAQ1kE4XLRg88.png",
+                                             bannerImg: "https://a.thumbs.redditmedia.com/8hr1PTpJ9iWLNWP67vZN0w3IEP8uI3eAQ1kE4XLRg88.png",
+                                             subscribers: 1000,
+                                             accountsActive: 500,
+                                             createdUtc: Date(),
+                                             url: "/r/games",
+                                             userIsSubscriber: false)

Packages/Backend/Sources/Backend/Models/SubredditPost.swift

@@ -9,7 +9,9 @@ import Foundation
 
 public struct SubredditPost: Decodable, Identifiable, Hashable {
     public static func == (lhs: SubredditPost, rhs: SubredditPost) -> Bool {
-        lhs.id == rhs.id && lhs.likes == rhs.likes
+        lhs.id == rhs.id &&
+            lhs.likes == rhs.likes &&
+            lhs.saved == rhs.saved
     }
 
     public func hash(into hasher: inout Hasher) {
@@ -39,9 +41,18 @@ public struct SubredditPost: Decodable, Identifiable, Hashable {
     public let secureMedia: SecureMedia?
     public let url: String?
     public let permalink: String?
+
     public let linkFlairText: String?
+    public let linkFlairRichtext: [FlairRichText]?
     public let linkFlairBackgroundColor: String?
     public let linkFlairTextColor: String?
+
+    public let authorFlairRichtext: [FlairRichText]?
+    public let authorFlairText: String?
+    public let authorFlairTextColor: String?
+    public let authorFlairBackgroundColor: String?
+
+    public let allAwardings: [Award]
     public var visited: Bool
     public var saved: Bool
     public var redditURL: URL? {
@@ -53,50 +64,6 @@ public struct SubredditPost: Decodable, Identifiable, Hashable {
     public var likes: Bool?
 }
 
-public struct SecureMedia: Decodable {
-    public let redditVideo: RedditVideo?
-    public let oembed: Oembed?
-
-    public var video: Video? {
-        if let video = redditVideo {
-            return Video(url: video.fallbackUrl, width: video.width, height: video.height)
-        } else if oembed?.type == "video",
-                  let oembed = oembed,
-                  let url = oembed.url,
-                  let width = oembed.width,
-                  let height = oembed.height {
-            return Video(url: url, width: width, height: height)
-        }
-        return nil
-    }
-}
-
-public struct RedditVideo: Decodable {
-    public let fallbackUrl: URL
-    public let height: Int
-    public let width: Int
-}
-
-public struct Oembed: Decodable {
-    public let providerUrl: URL?
-    public let thumbnailUrl: String?
-    public var thumbnailUrlAsURL: URL? {
-        thumbnailUrl != nil ? URL(string: thumbnailUrl!) : nil
-    }
-    public let url: URL?
-    public let width: Int?
-    public let height: Int?
-    public let thumbnailWidth: Int?
-    public let thumbnailHeight: Int?
-    public let type: String?
-}
-
-public struct Video {
-    public let url: URL
-    public let width: Int
-    public let height: Int
-}
-
 public let static_listing = SubredditPost(id: "0",
                                           name: "t3_0",
                                     title: "A very long title to be able to debug the UI correctly as it should be displayed on mutliple lines.",
@@ -114,8 +81,14 @@ public let static_listing = SubredditPost(id: "0",
                                     url: "https://test.com",
                                     permalink: nil,
                                     linkFlairText: nil,
+                                    linkFlairRichtext: nil,
                                     linkFlairBackgroundColor: nil,
                                     linkFlairTextColor: nil,
+                                    authorFlairRichtext: nil,
+                                    authorFlairText: nil,
+                                    authorFlairTextColor: nil,
+                                    authorFlairBackgroundColor: nil,
+                                    allAwardings: [],
                                     visited: false,
                                     saved: false,
                                     likes: nil)

Packages/Backend/Sources/Backend/Models/SubredditSmall.swift

@@ -9,6 +9,10 @@ public struct SubredditResponse: Decodable {
 }
 
 public struct SubredditSmall: Codable, Identifiable, Equatable, Hashable {
+    public static func == (lhs: SubredditSmall, rhs: SubredditSmall) -> Bool {
+        lhs.id == rhs.id
+    }
+
     public var id: String { name }
     public let name: String
     public let subscriberCount: Int

Packages/Backend/Sources/Backend/Models/Vote.swift

@@ -0,0 +1,12 @@
+//
+//  File.swift
+//  
+//
+//  Created by Thomas Ricouard on 12/08/2020.
+//
+
+import Foundation
+
+public enum Vote: Int {
+    case upvote = 1, downvote = -1, neutral = 0
+}

Packages/Backend/Sources/Backend/Network/Endpoint.swift

@@ -3,6 +3,7 @@ import Foundation
 public enum Endpoint {
     case subreddit(name: String, sort: String?)
     case subredditAbout(name: String)
+    case subscribe
     case searchSubreddit
     case comments(name: String, id: String)
     case accessToken
@@ -26,6 +27,8 @@ public enum Endpoint {
             }
         case .searchSubreddit:
             return "api/search_subreddits"
+        case .subscribe:
+            return "api/subscribe"
         case let .comments(name, id):
             return "r/\(name)/comments/\(id)"
         case .accessToken: