Notifications

Changelog-Added: Add new Notifications View

damus/Models/Notifications/EventGroup.swift

@@ -0,0 +1,32 @@
+//
+//  ReactionGroup.swift
+//  damus
+//
+//  Created by William Casarin on 2023-02-21.
+//
+
+import Foundation
+
+class EventGroup {
+    var events: [NostrEvent]
+    
+    var last_event_at: Int64 {
+        guard let first = self.events.first else {
+            return 0
+        }
+        
+        return first.created_at
+    }
+    
+    init() {
+        self.events = []
+    }
+    
+    init(events: [NostrEvent]) {
+        self.events = events
+    }
+    
+    func insert(_ ev: NostrEvent) -> Bool {
+        return insert_uniq_sorted_event_created(events: &events, new_ev: ev)
+    }
+}

damus/Models/Notifications/ZapGroup.swift

@@ -0,0 +1,53 @@
+//
+//  ZapGroup.swift
+//  damus
+//
+//  Created by William Casarin on 2023-02-21.
+//
+
+import Foundation
+
+class ZapGroup {
+    var zaps: [Zap]
+    var msat_total: Int64
+    var zappers: Set<String>
+    
+    var last_event_at: Int64 {
+        guard let first = zaps.first else {
+            return 0
+        }
+        
+        return first.event.created_at
+    }
+    
+    func zap_requests() -> [NostrEvent] {
+        zaps.map { z in z.request.ev }
+    }
+    
+    init(zaps: [Zap]) {
+        self.zaps = zaps
+        self.msat_total = 0
+        self.zappers = Set()
+    }
+    
+    init() {
+        self.zaps = []
+        self.msat_total = 0
+        self.zappers = Set()
+    }
+    
+    func insert(_ zap: Zap) -> Bool {
+        if !insert_uniq_sorted_zap_by_created(zaps: &zaps, new_zap: zap) {
+            return false
+        }
+        
+        msat_total += zap.invoice.amount
+        
+        if !zappers.contains(zap.request.ev.pubkey)  {
+            zappers.insert(zap.request.ev.pubkey)
+        }
+        
+        return true
+    }
+}
+