reorganize

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

damus/Nostr/NostrFilter.swift

@@ -0,0 +1,40 @@
+//
+//  NostrFilter.swift
+//  damus
+//
+//  Created by William Casarin on 2022-04-11.
+//
+
+import Foundation
+
+struct NostrFilter: Codable {
+    var ids: [String]?
+    var kinds: [Int]?
+    var referenced_ids: [String]?
+    var pubkeys: [String]?
+    var since: Int64?
+    var until: Int64?
+    var authors: [String]?
+
+    private enum CodingKeys : String, CodingKey {
+        case ids
+        case kinds
+        case referenced_ids = "#e"
+        case pubkeys = "#p"
+        case since
+        case until
+        case authors
+    }
+
+    public static var filter_text: NostrFilter {
+        NostrFilter(ids: nil, kinds: [1], referenced_ids: nil, pubkeys: nil, since: nil, until: nil, authors: nil)
+    }
+
+    public static var filter_profiles: NostrFilter {
+        return NostrFilter(ids: nil, kinds: [0], referenced_ids: nil, pubkeys: nil, since: nil, until: nil, authors: nil)
+    }
+
+    public static func filter_since(_ val: Int64) -> NostrFilter {
+        return NostrFilter(ids: nil, kinds: nil, referenced_ids: nil, pubkeys: nil, since: val, until: nil, authors: nil)
+    }
+}