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The FAQ Provider delivers cached, searchable FAQs to your iOS app with automatic sync and offline support.

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Initialization

Important: FAQProvider must be initialized separately from StringProvider. 
FAQProvider.shared.initialize(
    cacheSize: 200,
    apiToken: "YOUR_API_TOKEN",
    baseURL: "https://api.stringboot.com"
)

// Setup auto-sync (recommended)
Task {
    let locale = StringProvider.shared.deviceLocale()

    // Preload FAQs from cache for instant access
    await FAQProvider.shared.preloadFromDatabase(lang: locale, maxFAQs: 100)

    // Sync latest FAQs from server in background
    await FAQProvider.shared.refreshFromNetwork(lang: locale)
}
The preload step ensures FAQs are available immediately when your app opens, while the background sync fetches the latest updates.

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Usage

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Fetching FAQs

Task {
    // Get FAQs for a specific tag
    let faqs = await FAQProvider.shared.getFAQs(tag: "payments")

    for faq in faqs {
        print("Q: \(faq.question)")
        print("A: \(faq.answer)")
    }
}

​
Filtering by SubTags

// Get FAQs with specific subtags
let faqs = await FAQProvider.shared.getFAQs(
    tag: "payments",
    subTags: ["refunds", "disputes"],
    lang: "en"
)

​
SwiftUI Integration

You can easily build an FAQ view in SwiftUI. 
struct FAQListView: View {
    @State private var faqs: [FAQ] = []

    var body: some View {
        List(faqs) { faq in
            VStack(alignment: .leading) {
                Text(faq.question).font(.headline)
                Text(faq.answer).font(.body).foregroundColor(.secondary)
            }
        }
        .task {
            faqs = await FAQProvider.shared.getFAQs(tag: "general")
        }
    }
}

​
Manual Refresh

Manually refresh FAQs from the server (e.g., on pull-to-refresh): 
Button("Refresh FAQs") {
    Task {
        let success = await FAQProvider.shared.refreshFromNetwork(lang: "en")
        if success {
            // FAQs updated successfully
            faqs = await FAQProvider.shared.getFAQs(tag: "payments")
        }
    }
}

​
Reactive Updates with Combine

Use Combine to automatically update your UI when FAQs change: 
import Combine

class FAQViewModel: ObservableObject {
    @Published var faqs: [FAQ] = []
    private var cancellables = Set<AnyCancellable>()

    func subscribe(tag: String) {
        FAQProvider.shared.observeFAQs(tag: tag, lang: "en")
            .receive(on: DispatchQueue.main)
            .sink { [weak self] updatedFAQs in
                self?.faqs = updatedFAQs
            }
            .store(in: &cancellables)
    }
}