initial commit: Proximity iOS app proposal, full Swift code scaffold, reference backend, testing docs, generated Xcode project

2026-08-12 00:22:01 +00:00
commit 9d1b0f8dd9
52 changed files with 6271 additions and 0 deletions
--- a/Proximity/Views/PresenceView.swift
+++ b/Proximity/Views/PresenceView.swift
@@ -0,0 +1,144 @@
+import SwiftUI
+
+/// The main presence screen.
+///
+/// This is the emotional core of the app. A large, tactile "I am here"
+/// toggle that makes being present feel like an intentional act — not a
+/// passive background process. Below it, the live feed of silhouettes.
+struct PresenceView: View {
+    @EnvironmentObject private var vm: PresenceViewModel
+    @EnvironmentObject private var revealFlow: RevealFlow
+    @State private var showReveal = false
+
+    var body: some View {
+        NavigationStack {
+            ScrollView {
+                VStack(spacing: 24) {
+                    presenceToggle
+                    radiusPicker
+                    encounterFeed
+                }
+                .padding()
+            }
+            .navigationTitle("Proximity")
+            .toolbar {
+                #if DEBUG
+                ToolbarItem(placement: .topBarLeading) {
+                    NavigationLink {
+                        DebugMenu()
+                    } label: {
+                        Image(systemName: "hammer")
+                    }
+                }
+                #endif
+            }
+        }
+        .onChange(of: revealFlow.phase) { _, phase in
+            if case .mutual = phase {
+                showReveal = true
+            }
+        }
+        .fullScreenCover(isPresented: $showReveal) {
+            RevealView()
+                .environmentObject(revealFlow)
+        }
+    }
+
+    // MARK: - The presence toggle
+
+    private var presenceToggle: some View {
+        Button(action: vm.togglePresence) {
+            ZStack {
+                Circle()
+                    .fill(vm.isPresent ? Color.green : Color.gray.opacity(0.2))
+                    .frame(width: 200, height: 200)
+                    .overlay(
+                        Circle()
+                            .stroke(vm.isPresent ? Color.green : Color.gray,
+                                    lineWidth: 4)
+                    )
+
+                VStack(spacing: 8) {
+                    Image(systemName: vm.isPresent
+                          ? "dot.radiowaves.left.and.right"
+                          : "person.crop.circle.dashed")
+                        .font(.system(size: 56))
+                    Text(vm.isPresent ? "I'm Here" : "Tap to be Present")
+                        .font(.headline)
+                }
+                .foregroundColor(vm.isPresent ? .white : .secondary)
+            }
+            .scaleEffect(vm.isPresent ? 1.0 : 0.98)
+            .animation(.spring(response: 0.4, dampingFraction: 0.6),
+                       value: vm.isPresent)
+        }
+        .buttonStyle(.plain)
+        .accessibilityLabel(vm.isPresent ? "You are present. Tap to go offline."
+                                         : "Go present")
+    }
+
+    // MARK: - Radius picker
+
+    private var radiusPicker: some View {
+        VStack(alignment: .leading, spacing: 8) {
+            Text("How far are you open to?")
+                .font(.subheadline)
+                .foregroundColor(.secondary)
+
+            Picker("Radius", selection: $vm.radiusTier) {
+                ForEach(DistanceTier.allCases) { tier in
+                    Text(tier.title).tag(tier)
+                }
+            }
+            .pickerStyle(.segmented)
+
+            Text(vm.radiusTier.subtitle)
+                .font(.caption)
+                .foregroundColor(.secondary)
+        }
+    }
+
+    // MARK: - Encounter feed
+
+    private var encounterFeed: some View {
+        VStack(alignment: .leading, spacing: 12) {
+            HStack {
+                Text("People you've passed")
+                    .font(.headline)
+                Spacer()
+                if let last = vm.lastScan {
+                    Text("last scan \(last, style: .time)")
+                        .font(.caption)
+                        .foregroundColor(.secondary)
+                }
+            }
+
+            if vm.encounters.isEmpty {
+                emptyState
+            } else {
+                ForEach(vm.encounters) { encounter in
+                    SilhouetteRow(encounter: encounter) {
+                        // Tap a silhouette → consider it → wave.
+                        revealFlow.consider(encounter)
+                        Task { await revealFlow.wave() }
+                    }
+                }
+            }
+        }
+    }
+
+    private var emptyState: some View {
+        VStack(spacing: 12) {
+            Image(systemName: "eye.slash")
+                .font(.system(size: 40))
+                .foregroundColor(.secondary)
+            Text(vm.isPresent
+                 ? "Looking for people near you…"
+                 : "Go present to start seeing people.")
+                .multilineTextAlignment(.center)
+                .foregroundColor(.secondary)
+        }
+        .frame(maxWidth: .infinity)
+        .padding(.vertical, 40)
+    }
+}