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[Auth] Use result type to wrap completion handlers internally #13563

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27 changes: 17 additions & 10 deletions FirebaseAuth/Sources/Swift/Auth/Auth.swift
Original file line number Diff line number Diff line change
Expand Up @@ -295,9 +295,9 @@ extension Auth: AuthInterop {
Task {
do {
let response = try await AuthBackend.call(with: request)
Auth.wrapMainAsync(callback: completion, withParam: response.signinMethods, error: nil)
Auth.wrapMainAsync(callback: completion, with: .success(response.signinMethods))
} catch {
Auth.wrapMainAsync(callback: completion, withParam: nil, error: error)
Auth.wrapMainAsync(callback: completion, with: .failure(error))
}
}
}
Expand Down Expand Up @@ -1004,9 +1004,9 @@ extension Auth: AuthInterop {
let actionCodeInfo = ActionCodeInfo(withOperation: operation,
email: email,
newEmail: response.verifiedEmail)
Auth.wrapMainAsync(callback: completion, withParam: actionCodeInfo, error: nil)
Auth.wrapMainAsync(callback: completion, with: .success(actionCodeInfo))
} catch {
Auth.wrapMainAsync(callback: completion, withParam: nil, error: error)
Auth.wrapMainAsync(callback: completion, with: .failure(error))
}
}
}
Expand Down Expand Up @@ -2223,7 +2223,11 @@ extension Auth: AuthInterop {
((AuthDataResult?, Error?) -> Void)?) -> (AuthDataResult?, Error?) -> Void {
let authDataCallback: (((AuthDataResult?, Error?) -> Void)?, AuthDataResult?, Error?) -> Void =
{ callback, result, error in
Auth.wrapMainAsync(callback: callback, withParam: result, error: error)
if let result {
Auth.wrapMainAsync(callback: callback, with: .success(result))
} else if let error {
Auth.wrapMainAsync(callback: callback, with: .failure(error))
}
}
return { authResult, error in
if let error {
Expand Down Expand Up @@ -2260,11 +2264,14 @@ extension Auth: AuthInterop {
}

class func wrapMainAsync<T: Any>(callback: ((T?, Error?) -> Void)?,
withParam param: T?,
error: Error?) -> Void {
if let callback {
DispatchQueue.main.async {
callback(param, error)
with result: Result<T, Error>) -> Void {
guard let callback else { return }
DispatchQueue.main.async {
switch result {
case let .success(success):
callback(success, nil)
case let .failure(error):
callback(nil, error)
}
}
}
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -86,9 +86,9 @@ import Foundation
uiDelegate: uiDelegate,
multiFactorSession: multiFactorSession
)
Auth.wrapMainAsync(callback: completion, withParam: verificationID, error: nil)
Auth.wrapMainAsync(callback: completion, with: .success(verificationID ?? ""))
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} catch {
Auth.wrapMainAsync(callback: completion, withParam: nil, error: error)
Auth.wrapMainAsync(callback: completion, with: .failure(error))
}
}
}
Expand Down
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