more mention progress

Signed-off-by: William Casarin <jb55@jb55.com>

damus/Nostr/Profiles.swift

@@ -9,62 +9,6 @@ import Foundation
 import UIKit
 import Combine
 
-class ImageCache {
-    private let lock = NSLock()
-    
-    lazy var cache: NSCache<AnyObject, AnyObject> = {
-        let cache = NSCache<AnyObject, AnyObject>()
-        cache.totalCostLimit = 1024 * 1024 * 100 // 100MB
-        return cache
-    }()
-    
-    func lookup(for url: URL) -> UIImage? {
-        lock.lock(); defer { lock.unlock() }
-        
-        if let decoded = cache.object(forKey: url as AnyObject) as? UIImage {
-            return decoded
-        }
-        
-        return nil
-    }
-    
-    func remove(for url: URL) {
-        lock.lock(); defer { lock.unlock() }
-        cache.removeObject(forKey: url as AnyObject)
-    }
-    
-    func insert(_ image: UIImage?, for url: URL) {
-        guard let image = image else { return remove(for: url) }
-        let decodedImage = image.decodedImage(Int(PFP_SIZE!))
-        lock.lock(); defer { lock.unlock() }
-        cache.setObject(decodedImage, forKey: url as AnyObject)
-    }
-    
-    subscript(_ key: URL) -> UIImage? {
-        get {
-            return lookup(for: key)
-        }
-        set {
-            return insert(newValue, for: key)
-        }
-    }
-}
-
-func load_image(cache: ImageCache, from url: URL) -> AnyPublisher<UIImage?, Never> {
-    if let image = cache[url] {
-        return Just(image).eraseToAnyPublisher()
-    }
-    return URLSession.shared.dataTaskPublisher(for: url)
-        .map { (data, response) -> UIImage? in return UIImage(data: data) }
-        .catch { error in return Just(nil) }
-        .handleEvents(receiveOutput: { image in
-            guard let image = image else { return }
-            cache[url] = image
-        })
-        .subscribe(on: DispatchQueue.global(qos: .background))
-        .receive(on: RunLoop.main)
-        .eraseToAnyPublisher()
-}
 
 class Profiles: ObservableObject {
     @Published var profiles: [String: TimestampedProfile] = [:]