CloudAddCell.m

//
//  Copyright (c) 2018 Google Inc.
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//

#import "CloudAddCell.h"

@import FirebaseFunctions;

@interface CloudAddCell ()
@property (weak, nonatomic) IBOutlet UITextField *resultField;
// [START define_functions_instance]
@property(strong, nonatomic) FIRFunctions *functions;
// [END define_functions_instance]
@end

@implementation CloudAddCell

- (instancetype)initWithCoder:(NSCoder *)coder
{
  self = [super initWithCoder:coder];
  if (self) {
    // [START initialize_functions_instance]
    self.functions = [FIRFunctions functions];
    // [END initialize_functions_instance]
  }
  return self;
}

- (IBAction)didTapAdd:(id)sender {
  // [START function_add_numbers]
  NSDictionary *data = @{@"firstNumber": [NSNumber numberWithInt:_number1Field.text.intValue],
                         @"secondNumber": [NSNumber numberWithInt:_number2Field.text.intValue]};
  [[_functions HTTPSCallableWithName:@"addNumbers"] callWithObject:data
                                                        completion:^(FIRHTTPSCallableResult * _Nullable result, NSError * _Nullable error) {

    // [START function_error]
    if (error) {
      if ([error.domain isEqual:@"com.firebase.functions"]) {
        FIRFunctionsErrorCode code = error.code;
        NSString *message = error.localizedDescription;
        NSObject *details = error.userInfo[@"details"];
      }
      // [START_EXCLUDE]
      NSLog(@"%@", error);
      return;
      // [END_EXCLUDE]
    }
    // [END function_error]


    NSNumber *operationResult = result.data[@"operationResult"];
    self->_resultField.text = operationResult.stringValue;
  }];
  // [END function_add_numbers]
}

@end