Implement first working version of widget (IOS-37)

There's still plenty of stuff to do, like: Show text (instead of source) and configure the hashtag ... you know the paretro principle)

WidgetExtension/Variants/Hashtag/HashtagWidget.swift

@@ -2,6 +2,7 @@
 
 import WidgetKit
 import SwiftUI
+import MastodonSDK
 
 struct HashtagWidgetProvider: IntentTimelineProvider {
     func placeholder(in context: Context) -> HashtagWidgetTimelineEntry {
@@ -21,17 +22,70 @@ struct HashtagWidgetProvider: IntentTimelineProvider {
 
 extension HashtagWidgetProvider {
     func loadMostRecentHashtag(for configuration: HashtagIntent, in context: Context, completion: @escaping (HashtagWidgetTimelineEntry) -> Void ) {
-        let hashtagTimelineEntry = HashtagWidgetTimelineEntry.placeholder
-        completion(hashtagTimelineEntry)
+
+        guard
+            let authBox = WidgetExtension.appContext
+                .authenticationService
+                .mastodonAuthenticationBoxes
+                .first
+        else {
+            if context.isPreview {
+                return completion(.placeholder)
+            } else {
+                return completion(.unconfigured)
+            }
+        }
+
+        Task {
+            let desiredHashtag: String
+
+            if let hashtag = configuration.hashtag {
+                desiredHashtag = hashtag
+            } else {
+                return completion(.notFound)
+            }
+
+            do {
+                let mostRecentStatuses = try await WidgetExtension.appContext
+                    .apiService
+                    .hashtagTimeline(domain: authBox.domain, limit: 1, hashtag: desiredHashtag, authenticationBox: authBox)
+                    .value
+
+                if let mostRecentStatus = mostRecentStatuses.first {
+
+                    let hashtagEntry = HashtagEntry(
+                        accountName: mostRecentStatus.account.displayNameWithFallback,
+                        account: mostRecentStatus.account.acct,
+                        content: mostRecentStatus.content ?? "-",
+                        reblogCount: mostRecentStatus.reblogsCount,
+                        favoriteCount: mostRecentStatus.favouritesCount,
+                        hashtag: "#\(desiredHashtag)",
+                        timestamp: mostRecentStatus.createdAt
+                    )
+
+                    let hashtagTimelineEntry = HashtagWidgetTimelineEntry(
+                        date: mostRecentStatus.createdAt,
+                        hashtag: hashtagEntry
+                    )
+
+                    completion(hashtagTimelineEntry)
+                }
+            } catch {
+                completion(.notFound)
+            }
+        }
+
+
+
     }
 }
 
 struct HashtagWidgetTimelineEntry: TimelineEntry {
     var date: Date
-    //TODO: implement, add relevant information
     var hashtag: HashtagEntry
 
     static var placeholder: Self {
+        //TODO: @zeitschlag Add Localization
         HashtagWidgetTimelineEntry(
             date: .now,
             hashtag: HashtagEntry(
@@ -40,8 +94,40 @@ struct HashtagWidgetTimelineEntry: TimelineEntry {
                 content: "Caturday is the best day of the week #CatsOfMastodon",
                 reblogCount: 13,
                 favoriteCount: 12,
-                hashtag: "#CatsOfMastodon")
+                hashtag: "#CatsOfMastodon",
+                timestamp: .now.addingTimeInterval(-3600 * 18)
             )
+        )
+    }
+
+    static var notFound: Self {
+        HashtagWidgetTimelineEntry(
+            date: .now,
+            hashtag: HashtagEntry(
+                accountName: "Not Found",
+                account: "404",
+                content: "Couldn't find a status, sorryyyyyyy",
+                reblogCount: 0,
+                favoriteCount: 0,
+                hashtag: "",
+                timestamp: .now
+            )
+        )
+    }
+
+    static var unconfigured: Self {
+        HashtagWidgetTimelineEntry(
+            date: .now,
+            hashtag: HashtagEntry(
+                accountName: "Unconfigured",
+                account: "@unconfigured@mastodon.social",
+                content: "Caturday is the best day of the week #CatsOfMastodon",
+                reblogCount: 14,
+                favoriteCount: 13,
+                hashtag: "#CatsOfMastodon",
+                timestamp: .now.addingTimeInterval(-3600 * 18)
+            )
+        )
     }
 }
 
@@ -59,6 +145,7 @@ struct HashtagWidget: Widget {
         IntentConfiguration(kind: "Hashtag", intent: HashtagIntent.self, provider: HashtagWidgetProvider()) { entry in
             HashtagWidgetView(entry: entry)
         }
+        //TODO: @zeitschlag Add Localization
         .configurationDisplayName("Hashtag")
         .description("Show a Hashtag")
         .supportedFamilies(availableFamilies)
@@ -72,4 +159,5 @@ struct HashtagEntry {
     var reblogCount: Int
     var favoriteCount: Int
     var hashtag: String
+    var timestamp: Date
 }

WidgetExtension/Variants/Hashtag/HashtagWidgetView.swift

@@ -31,12 +31,14 @@ struct HashtagWidgetView: View {
                     .lineLimit(1)
                     .font(.caption)
                     .foregroundColor(.secondary)
-                Text("18h") //TODO: Implement
+                Text(entry.hashtag.timestamp.localizedShortTimeAgo(since: .now))
                     .font(.caption)
                     .foregroundColor(.secondary)
             }
 
+            //TODO: Check MetaLabelRepresentable, maybe it's a way to color Hashtags?
             Text(entry.hashtag.content)
+
             Spacer()
             HStack(alignment: .center, spacing: 16) {
                 HStack(spacing: 0) {