yattee/Shared/Settings/AccountForm.swift

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Swift
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import Defaults
import SwiftUI
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struct AccountForm: View {
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let instance: Instance
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var selectedAccount: Binding<Account?>?
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@State private var name = ""
@State private var username = ""
@State private var password = ""
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@State private var isValid = false
@State private var isValidated = false
@State private var isValidating = false
@State private var validationError: String?
@State private var validationDebounce = Debounce()
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@Environment(\.colorScheme) private var colorScheme
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@Environment(\.presentationMode) private var presentationMode
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var body: some View {
VStack {
Group {
header
form
#if os(macOS)
VStack {
validationStatus
}
.frame(minHeight: 60, alignment: .topLeading)
.padding(.horizontal, 15)
#endif
footer
}
.frame(maxWidth: 1000)
}
#if os(iOS)
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.padding(.vertical)
#elseif os(tvOS)
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.frame(minWidth: 0, maxWidth: .infinity, minHeight: 0, maxHeight: .infinity)
.background(Color.background(scheme: colorScheme))
#else
.frame(width: 400, height: 180)
.padding(.vertical)
#endif
}
var header: some View {
HStack {
Text("Add Account")
.font(.title2.bold())
Spacer()
Button("Cancel") {
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presentationMode.wrappedValue.dismiss()
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}
#if !os(tvOS)
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.keyboardShortcut(.cancelAction)
#endif
}
.padding(.horizontal)
}
private var form: some View {
Group {
#if !os(tvOS)
Form {
formFields
#if os(macOS)
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.padding(.horizontal)
#endif
}
#else
formFields
#endif
}
.onChange(of: username) { _ in validate() }
.onChange(of: password) { _ in validate() }
}
@ViewBuilder var formFields: some View {
TextField("Username", text: $username)
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#if !os(macOS)
.autocapitalization(.none)
#endif
.disableAutocorrection(true)
SecureField("Password", text: $password)
#if os(tvOS)
VStack {
validationStatus
}
.frame(minHeight: 100)
#elseif os(iOS)
validationStatus
#endif
}
@ViewBuilder var validationStatus: some View {
Section {
if username.isEmpty || password.isEmpty {
Text("Enter account credentials to connect...")
.frame(maxWidth: .infinity, alignment: .leading)
.foregroundColor(.secondary)
} else {
AccountValidationStatus(
app: .constant(instance.app),
isValid: $isValid,
isValidated: $isValidated,
isValidating: $isValidating,
error: $validationError
)
}
}
}
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var footer: some View {
HStack {
Spacer()
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Button("Save", action: submitForm)
.disabled(!isValid)
#if !os(tvOS)
.keyboardShortcut(.defaultAction)
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#endif
}
.frame(minHeight: 35)
#if os(tvOS)
.padding(.top, 30)
#endif
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.padding(.horizontal)
}
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private func validate() {
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isValid = false
validationDebounce.invalidate()
guard !username.isEmpty, !password.isEmpty else {
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validator.reset()
return
}
isValidating = true
validationDebounce.debouncing(1) {
validator.validateAccount()
}
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}
private func submitForm() {
guard isValid else {
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return
}
let account = AccountsModel.add(instance: instance, name: name, username: username, password: password)
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selectedAccount?.wrappedValue = account
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presentationMode.wrappedValue.dismiss()
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}
private var validator: AccountValidator {
AccountValidator(
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app: .constant(instance.app),
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url: instance.apiURLString,
account: Account(instanceID: instance.id, urlString: instance.apiURLString, username: username, password: password),
id: $username,
isValid: $isValid,
isValidated: $isValidated,
isValidating: $isValidating,
error: $validationError
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)
}
}
struct AccountFormView_Previews: PreviewProvider {
static var previews: some View {
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AccountForm(instance: Instance.fixture)
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}
}