3f0d8348b9
Render the #1 Top Story as an Apple-News-style hero card (flat surface, 4pt stripe, 24pt headline, summary, sources, prominent score). Prettify category labels (slug -> Title Case, with AI/US/Formula 1 special-cases) across rows, hero, and detail. Per Emil's framework, no row entrance/press motion on a constantly-scrolled surface — invest in hierarchy and defaults instead. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
263 lines
10 KiB
Swift
263 lines
10 KiB
Swift
// Theme.swift
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// Jarvis — shared design tokens, signal-score fade math, formatting, nav routes.
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// Every hex value here is from the spec; nothing is invented.
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import SwiftUI
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// MARK: - Hex colors
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extension Color {
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init(hex: String) {
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let s = hex.trimmingCharacters(in: CharacterSet(charactersIn: "#"))
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var v: UInt64 = 0
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Scanner(string: s).scanHexInt64(&v)
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let r, g, b: Double
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switch s.count {
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case 6:
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r = Double((v >> 16) & 0xFF) / 255
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g = Double((v >> 8) & 0xFF) / 255
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b = Double(v & 0xFF) / 255
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default:
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r = 0; g = 0; b = 0
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}
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self = Color(.sRGB, red: r, green: g, blue: b, opacity: 1)
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}
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}
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// MARK: - Palette
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enum Palette {
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static let orange = Color("KisaniOrange") // #FF5C00
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static let black = Color.black // #000000
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static let surface = Color(hex: "111111")
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static let surface2 = Color(hex: "1A1A1A")
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static let hairline = Color(hex: "1A1A1A")
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// health
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static let healthActive = Color(hex: "2A5A2A")
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static let healthFailing = Color(hex: "AA6600")
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static let healthDead = Color(hex: "5A1A1A")
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// blocks
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static let consensusBorder = Color(hex: "FF5C00")
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static let consensusFill = Color(hex: "1F1206") // dark orange
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static let conflictBorder = Color(hex: "5A1A1A") // dark red
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static let conflictFill = Color(hex: "1A0C0C") // dark red
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static let cachedGreen = Color(hex: "2A5A2A")
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static let bodyText = Color(hex: "4A4A4A")
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}
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// MARK: - Signal-score fade
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//
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// Spec anchors:
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// stripe : 97 → #FF5C00, fades to #1A1A1A at 0
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// title : 97 → white, 20 → #444444, 0–19 near invisible
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// score : 80–100 full orange · 50–79 dimmed orange · 20–49 dark brown · 0–19 near invisible
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enum Signal {
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private static func lerp(_ a: (Double, Double, Double),
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_ b: (Double, Double, Double),
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_ t: Double) -> Color {
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let t = max(0, min(1, t))
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return Color(.sRGB,
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red: a.0 + (b.0 - a.0) * t,
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green: a.1 + (b.1 - a.1) * t,
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blue: a.2 + (b.2 - a.2) * t,
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opacity: 1)
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}
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/// 3pt left stripe color: #1A1A1A (0) → #FF5C00 (97+).
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static func stripeColor(_ score: Int) -> Color {
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let t = Double(score) / 97.0
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return lerp((0x1A/255, 0x1A/255, 0x1A/255), // #1A1A1A
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(0xFF/255, 0x5C/255, 0x00/255), // #FF5C00
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t)
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}
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/// Story title color: white (97+) → #444444 (20) → near invisible (0).
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static func titleColor(_ score: Int) -> Color {
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if score >= 97 { return .white }
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if score >= 20 {
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let t = Double(score - 20) / Double(97 - 20)
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return lerp((0x44/255, 0x44/255, 0x44/255), // #444444
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(1, 1, 1), // white
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t)
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}
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// 0–19 near invisible: #1C1C1C → #444444
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let t = Double(score) / 20.0
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return lerp((0x1C/255, 0x1C/255, 0x1C/255),
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(0x44/255, 0x44/255, 0x44/255),
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t)
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}
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/// Signal score number color: stays in orange/brown hue, fades with score.
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/// near-invisible brown (0) → full #FF5C00 (100).
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static func scoreColor(_ score: Int) -> Color {
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let t = Double(score) / 100.0
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return lerp((0x2A/255, 0x18/255, 0x10/255), // near-invisible brown
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(0xFF/255, 0x5C/255, 0x00/255), // #FF5C00
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t)
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}
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}
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// MARK: - Topic display
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enum Topic {
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static func label(_ slug: String) -> String {
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switch slug.lowercased() {
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case "ai", "artificial-intelligence": return "AI"
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case "us", "united-states": return "US"
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case "formula-1": return "Formula 1"
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case "ui-ux", "web-design-and-ui-ux": return "Web Design"
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default:
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// Slug → Title Case, e.g. "cloud-computing" → "Cloud Computing".
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return slug.split(separator: "-")
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.map { $0.prefix(1).uppercased() + $0.dropFirst() }
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.joined(separator: " ")
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}
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}
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/// Topic pills shown on the home screen.
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static let filters: [(label: String, slug: String?)] = [
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("All", nil),
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("Finance", "finance"),
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("Tech", "tech"),
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("Politics", "politics"),
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("Africa", "africa"),
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]
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}
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// MARK: - Time formatting
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extension Date {
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/// Short relative string e.g. "just now", "3 min", "2 hr", "4 d".
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func timeAgoShort(reference: Date = Date()) -> String {
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let secs = max(0, Int(reference.timeIntervalSince(self)))
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switch secs {
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case 0..<60: return "just now"
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case 60..<3600: return "\(secs / 60) min"
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case 3600..<86400: return "\(secs / 3600) hr"
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default: return "\(secs / 86400) d"
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}
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}
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/// "08:03" style monospaced clock for timeline / source chips.
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var clockShort: String {
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let f = DateFormatter()
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f.dateFormat = "HH:mm"
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return f.string(from: self)
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}
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}
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func syncedMinutesAgo(_ date: Date?, reference: Date = Date()) -> String {
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guard let date else { return "never" }
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return date.timeAgoShort(reference: reference)
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}
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// MARK: - Navigation routes
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/// Route into the article reader. Carries the parent story context so the
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/// back button can show the truncated headline.
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struct ArticleRoute: Hashable {
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let articleId: String
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let storyId: String
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let parentHeadline: String
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}
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// MARK: - Stable feed ordering
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extension StorySummary {
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/// Deterministic ranking: signal score descending, then id descending — the
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/// same order the backend uses (`signal_score DESC, id DESC`). Without the
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/// id tiebreaker, equal-score stories reshuffle on every (unstable) re-sort.
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static func feedOrder(_ a: StorySummary, _ b: StorySummary) -> Bool {
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a.signalScore != b.signalScore ? a.signalScore > b.signalScore : a.id > b.id
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}
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}
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// MARK: - Story pills (backend-tag driven)
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//
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// The backend classifies each story into canonical category slugs in `tags[]`.
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// The client filters by pill -> slug membership only; no headline keyword
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// matching. `topic` is a fallback while the backend finishes emitting `tags[]`.
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enum StoryPill: String, CaseIterable, Identifiable {
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case all = "All"
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case f1 = "F1"
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case sport = "Sport"
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case ai = "AI"
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case cloud = "Cloud"
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case homelab = "HomeLab"
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case tech = "Tech"
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case uganda = "Uganda"
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case southAfrica = "South Africa"
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case canada = "Canada"
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case unitedStates = "US"
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var id: String { rawValue }
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var label: String { rawValue }
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var slugs: Set<String> {
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switch self {
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case .all: return []
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case .f1: return ["formula-1"]
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case .sport: return ["sports", "esports"]
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case .ai: return ["artificial-intelligence", "machine-learning", "robotics"]
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case .cloud: return ["cloud-computing"]
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case .homelab: return ["homelab"]
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case .tech: return ["technology", "programming-and-software-development",
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"cybersecurity", "security", "privacy-and-data-protection",
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"web-design-and-ui-ux", "wordpress-and-web-development"]
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case .uganda: return ["uganda"]
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case .southAfrica: return ["south-africa"]
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case .canada: return ["canada"]
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case .unitedStates: return ["united-states"]
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}
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}
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}
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extension StorySummary {
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/// Backend `tags[]` are the source of truth; fall back to `topic` during the
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/// transition while the backend finishes emitting tags.
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var effectiveTags: Set<String> {
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let clean = Set((tags ?? []).filter { !$0.isEmpty })
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return clean.isEmpty ? [topic] : clean
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}
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func matches(_ pill: StoryPill) -> Bool {
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pill == .all || !effectiveTags.isDisjoint(with: pill.slugs)
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}
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func inSection(_ section: NewsSection) -> Bool {
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!effectiveTags.isDisjoint(with: section.slugs)
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}
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}
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// MARK: - News sections (the "All" front page)
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//
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// Groups the firehose into Apple/Google-News-style sections. A story lands in
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// the first section (by this order) whose slugs it carries; `pill` powers "See all".
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struct NewsSection: Identifiable {
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let id: String
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let label: String
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let slugs: Set<String>
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let pill: StoryPill?
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static let sections: [NewsSection] = [
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.init(id: "us", label: "US", slugs: ["united-states"], pill: .unitedStates),
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.init(id: "world", label: "World", slugs: ["world-news", "news", "news-and-current-affairs"], pill: nil),
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.init(id: "politics", label: "Politics", slugs: ["politics", "human-rights", "investigative"], pill: nil),
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.init(id: "business", label: "Business", slugs: ["business", "finance", "fintech", "cryptocurrency", "blockchain", "entrepreneur", "startups", "real-estate"], pill: nil),
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.init(id: "ai", label: "AI", slugs: ["artificial-intelligence", "machine-learning", "robotics"], pill: .ai),
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.init(id: "technology", label: "Technology", slugs: ["technology", "programming-and-software-development", "cybersecurity", "security", "web-design-and-ui-ux", "wordpress-and-web-development", "privacy-and-data-protection", "cloud-computing"], pill: .tech),
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.init(id: "africa", label: "Africa", slugs: ["africa", "east-africa", "south-africa", "uganda"], pill: nil),
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.init(id: "sport", label: "Sport", slugs: ["sports", "esports", "formula-1"], pill: .sport),
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.init(id: "science", label: "Science", slugs: ["science", "astronomy", "environment", "green-technology", "sustainability"], pill: nil),
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.init(id: "entertainment", label: "Entertainment", slugs: ["entertainment", "music", "pop-culture", "video-game", "arts-and-culture", "books-and-literature"], pill: nil),
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.init(id: "health", label: "Health", slugs: ["health", "health-and-wellness", "mental-health"], pill: nil),
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.init(id: "lifestyle", label: "Lifestyle", slugs: ["lifestyle", "food-and-drink", "travel", "gardening", "outdoor-and-hiking", "parenting-and-family", "interior-design-and-home-decor", "photography", "self-improvement-and-personal-development", "education", "e-learning"], pill: nil),
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]
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}
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