refactor: carve out TextEvent body into EventShell

We'll need this for other event types

damus/Views/Events/EventShell.swift

@@ -0,0 +1,72 @@
+//
+//  EventShell.swift
+//  damus
+//
+//  Created by William Casarin on 2023-06-01.
+//
+
+import SwiftUI
+
+struct EventShell<Content: View>: View {
+    let state: DamusState
+    let event: NostrEvent
+    let options: EventViewOptions
+    let content: Content
+    
+    init(state: DamusState, event: NostrEvent, options: EventViewOptions, @ViewBuilder content: () -> Content) {
+        self.state = state
+        self.event = event
+        self.options = options
+        self.content = content()
+    }
+    
+    var has_action_bar: Bool {
+        !options.contains(.no_action_bar)
+    }
+    
+    func get_mention() -> Mention? {
+        if self.options.contains(.nested) {
+            return nil
+        }
+        
+        return first_eref_mention(ev: event, privkey: state.keypair.privkey)
+    }
+    
+    var body: some View {
+        VStack(alignment: .leading) {
+            let is_anon = event_is_anonymous(ev: event)
+            
+            HStack(spacing: 10) {
+                MaybeAnonPfpView(state: state, is_anon: is_anon, pubkey: event.pubkey, size: options.contains(.small_pfp) ? eventview_pfp_size(.small) : PFP_SIZE )
+                
+                VStack {
+                    EventTop(state: state, event: event, is_anon: is_anon)
+                    ReplyPart(event: event, privkey: state.keypair.privkey, profiles: state.profiles)
+                }
+            }
+            .padding(.horizontal)
+
+            content
+            
+            if !options.contains(.no_mentions), let mention = get_mention() {
+
+                BuilderEventView(damus: state, event_id: mention.ref.id)
+                    .padding(.horizontal)
+            }
+            
+            if has_action_bar {
+                //EmptyRect
+                EventActionBar(damus_state: state, event: event)
+                    .padding(.horizontal)
+            }
+        }
+    }
+}
+
+struct EventShell_Previews: PreviewProvider {
+    static var previews: some View {
+        EventShell(state: test_damus_state(), event: test_event, options: [.no_action_bar]) {
+            Text("Hello")
+        }
+    }
+}