[Feat] sopt-makers#12 - SignUpViewModel 구현

SOPT-Stamp-iOS/Projects/Presentation/Sources/SignUpScene/ViewModel/SignUpViewModel.swift

@@ -19,13 +19,20 @@ public class SignUpViewModel: ViewModelType {
     // MARK: - Inputs
 
     public struct Input {
-
+        let nicknameCheckButtonTapped: Driver<String?>
+        let emailCheckButtonTapped: Driver<String?>
+        let passwordTextChanged: Driver<String?>
+        let passwordCheckTextChanged: Driver<String?>
+        let registerButtonTapped: Driver<Void>
     }
 
     // MARK: - Outputs
 
     public struct Output {
-
+        var nicknameAlert = PassthroughSubject<String, Error>()
+        var emailAlert = PassthroughSubject<String, Error>()
+        var passwordAlert = PassthroughSubject<String, Error>()
+        var isValidForm = PassthroughSubject<Bool, Error>()
     }
 
     // MARK: - init
@@ -39,12 +46,71 @@ extension SignUpViewModel {
     public func transform(from input: Input, cancelBag: CancelBag) -> Output {
         let output = Output()
         self.bindOutput(output: output, cancelBag: cancelBag)
-        // input,output 상관관계 작성
-
+
+        input.nicknameCheckButtonTapped
+            .compactMap({ $0 })
+            .sink { nickname in
+                self.useCase.checkNickname(nickname: nickname)
+            }.store(in: self.cancelBag)
+
+        input.emailCheckButtonTapped
+            .compactMap({ $0 })
+            .sink { email in
+                self.useCase.checkEmail(email: email)
+            }.store(in: self.cancelBag)
+
+        input.passwordTextChanged
+            .compactMap({ $0 })
+            .sink { password in
+                self.useCase.checkPassword(password: password)
+            }.store(in: self.cancelBag)
+
+        input.passwordTextChanged
+            .compactMap({ $0 })
+            .combineLatest(input.passwordCheckTextChanged.compactMap({ $0 }))
+            .sink { (firstPassword, secondPassword) in
+                self.useCase.checkAccordPassword(firstPassword: firstPassword, secondPassword: secondPassword)
+            }.store(in: self.cancelBag)
+
         return output
     }
 
     private func bindOutput(output: Output, cancelBag: CancelBag) {
-
+        useCase.isNicknameValid.sink { event in
+            print("SignUpViewModel - completion: \(event)")
+        } receiveValue: { isNicknameValid in
+            isNicknameValid ? output.nicknameAlert.send("") : output.nicknameAlert.send(I18N.SignUp.duplicatedNickname)
+        }.store(in: cancelBag)
+
+        useCase.isEmailFormValid.sink { event in
+            print("SignUpViewModel - completion: \(event)")
+        } receiveValue: { isEmailValid in
+            isEmailValid ? output.emailAlert.send("") : output.emailAlert.send(I18N.SignUp.invalidEmailForm)
+        }.store(in: cancelBag)
+
+        useCase.isPasswordFormValid.sink { event in
+            print("SignUpViewModel - completion: \(event)")
+        } receiveValue: { isPasswordValid in
+            isPasswordValid ? output.passwordAlert.send("") : output.passwordAlert.send(I18N.SignUp.invalidPasswordForm)
+        }.store(in: cancelBag)
+
+        useCase.isAccordPassword.sink { event in
+            print("SignUpViewModel - completion: \(event)")
+        } receiveValue: { isPasswordValid in
+            isPasswordValid ? output.passwordAlert.send("") : output.passwordAlert.send(I18N.SignUp.passwordNotAccord)
+        }.store(in: cancelBag)
+
+        useCase.isNicknameValid.combineLatest(
+            useCase.isEmailFormValid,
+            useCase.isPasswordFormValid,
+            useCase.isAccordPassword)
+        .map { (isNicknameValid, isEmailValid, isPasswordValid, isAccordPassword) in
+            (isNicknameValid && isEmailValid && isPasswordValid && isAccordPassword)
+        }
+        .sink { event in
+            print("SignUpViewModel - completion: \(event)")
+        } receiveValue: { isValid in
+            output.isValidForm.send(isValid)
+        }.store(in: cancelBag)
     }
 }