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import SwiftUI
struct SettingsProviderView: View {
@EnvironmentObject var settings: SettingsManager
@State private var showingCustomBooruSheet = false
@State private var newDomain: String = ""
@State private var newFlavor: BooruProviderFlavor = .danbooru
@State private var domainError: String?
var body: some View {
Group {
Picker("Provider", selection: $settings.preferredBooru) {
ForEach(BooruProvider.allCases, id: \.self) { type in
Text(type.rawValue).tag(type)
}
ForEach(settings.customProviders, id: \.id) { provider in
Text(provider.domain)
.tag(BooruProvider.custom(provider))
}
}
Button("Add Custom Provider") {
showingCustomBooruSheet = true
}
#if os(macOS)
.frame(maxWidth: .infinity, alignment: .trailing)
#endif
.sheet(isPresented: $showingCustomBooruSheet) {
Form {
TextField("Domain", text: $newDomain)
.autocorrectionDisabled(true)
Picker("Flavor", selection: $newFlavor) {
ForEach(BooruProviderFlavor.allCases, id: \.self) { flavor in
Text(flavor.rawValue).tag(flavor)
}
}
}
#if os(macOS)
.formStyle(.grouped)
#endif
.toolbar {
ToolbarItem(placement: .cancellationAction) {
Button("Cancel") {
showingCustomBooruSheet = false
resetForm()
}
}
ToolbarItem(placement: .confirmationAction) {
Button("Add") {
if validateDomain() {
addCustomProvider()
showingCustomBooruSheet = false
}
}
.disabled(newDomain.isEmpty || domainError != nil)
}
}
}
if case .custom(let provider) = settings.preferredBooru {
removeCustomProviderButtonContent(provider)
}
Button("Remove All Custom Providers") {
if case .custom = settings.preferredBooru {
settings.preferredBooru = .safebooru
}
if !settings.customProviders.isEmpty {
settings.customProviders.removeAll()
}
}
#if os(macOS)
.frame(maxWidth: .infinity, alignment: .trailing)
#endif
}
.alert(
"Invalid Domain",
isPresented: Binding(
get: { domainError != nil },
set: { if !$0 { domainError = nil } }
)
) {
Button("OK", role: .cancel) { () }
} message: {
Text(domainError ?? "An unknown error occurred while validating the domain.")
}
}
private func addCustomProvider() {
let customProvider = BooruProviderCustom(
domain: newDomain.lowercased(),
flavor: newFlavor
)
settings.customProviders.append(customProvider)
resetForm()
}
private func resetForm() {
newDomain = ""
newFlavor = .danbooru
domainError = nil
}
@discardableResult
private func validateDomain() -> Bool {
guard !newDomain.isEmpty else {
domainError = nil
return false
}
let domain = newDomain.lowercased().trimmingCharacters(in: .whitespaces)
let domainRegex =
"^[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?(?:\\.[a-z0-9](?:[a-z0-9-]{0,61}[a-z0-9])?)*\\.[a-z]{2,}$"
guard NSPredicate(format: "SELF MATCHES %@", domainRegex).evaluate(with: domain) else {
domainError = "Please enter a valid domain name, such as yande.re."
return false
}
guard !domain.contains("://"), !domain.contains("/"), !domain.contains("?") else {
domainError = "Only enter the domain name—leave out 'http://' or extra details."
return false
}
guard domain.count <= 253 else { // RFC 1035
domainError = "This domain name is too long. It must be 253 characters or fewer."
return false
}
let labels = domain.split(separator: ".")
guard labels.allSatisfy({ $0.count <= 63 }) else {
domainError = "Each section of the domain name must be 63 characters or fewer."
return false
}
domainError = nil
return true
}
private func removeCustomProviderButtonContent(_ provider: BooruProviderCustom) -> some View {
Button("Remove Custom Provider") {
settings.customProviders.removeAll { $0.id == provider.id }
settings.preferredBooru = .safebooru
}
.disabled(!settings.customProviders.contains { $0.id == provider.id })
#if os(macOS)
.frame(maxWidth: .infinity, alignment: .trailing)
#endif
}
}
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