Yattee v2 rewrite

Yattee/Data/RecentChannel.swift

@@ -0,0 +1,69 @@
+//
+//  RecentChannel.swift
+//  Yattee
+//
+//  SwiftData model for recent channel visits.
+//
+
+import Foundation
+import SwiftData
+
+@Model
+final class RecentChannel {
+    var id: UUID
+    var channelID: String
+    var sourceRawValue: String
+    var instanceURLString: String?
+    var name: String
+    var thumbnailURLString: String?
+    var subscriberCount: Int?
+    var isVerified: Bool
+    var visitedAt: Date
+    
+    init(
+        id: UUID = UUID(),
+        channelID: String,
+        sourceRawValue: String,
+        instanceURLString: String? = nil,
+        name: String,
+        thumbnailURLString: String? = nil,
+        subscriberCount: Int? = nil,
+        isVerified: Bool = false,
+        visitedAt: Date = Date()
+    ) {
+        self.id = id
+        self.channelID = channelID
+        self.sourceRawValue = sourceRawValue
+        self.instanceURLString = instanceURLString
+        self.name = name
+        self.thumbnailURLString = thumbnailURLString
+        self.subscriberCount = subscriberCount
+        self.isVerified = isVerified
+        self.visitedAt = visitedAt
+    }
+    
+    /// Creates a RecentChannel from a Channel model
+    static func from(channel: Channel) -> RecentChannel {
+        let (sourceRaw, instanceURL) = extractSourceInfo(from: channel.id.source)
+        return RecentChannel(
+            channelID: channel.id.channelID,
+            sourceRawValue: sourceRaw,
+            instanceURLString: instanceURL,
+            name: channel.name,
+            thumbnailURLString: channel.thumbnailURL?.absoluteString,
+            subscriberCount: channel.subscriberCount,
+            isVerified: channel.isVerified
+        )
+    }
+    
+    private static func extractSourceInfo(from source: ContentSource) -> (String, String?) {
+        switch source {
+        case .global:
+            return ("global", nil)
+        case .federated(_, let instance):
+            return ("federated", instance.absoluteString)
+        case .extracted:
+            return ("extracted", nil)
+        }
+    }
+}