Add 'isEqualToXXX' for codeless components

Summary: As title, make event binding comparable so we don't need to update event bindings when they're the same.

Reviewed By: Oliverccccct

Differential Revision: D20932495

fbshipit-source-id: 63657c9172d53c942fca736355ca005229c51f64

FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/Codeless/FBSDKCodelessParameterComponent.h

@@ -31,6 +31,7 @@ NS_SWIFT_NAME(CodelessParameterComponent)
 @property (nonatomic, copy, readonly) NSString *pathType;
 
 - (instancetype)initWithJSON:(NSDictionary *)dict;
+- (BOOL)isEqualToParameter:(FBSDKCodelessParameterComponent *)parameter;
 
 @end
 

FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/Codeless/FBSDKCodelessParameterComponent.m

@@ -45,6 +45,34 @@ - (instancetype)initWithJSON:(NSDictionary *)dict {
   return self;
 }
 
+- (BOOL)isEqualToParameter:(FBSDKCodelessParameterComponent *)parameter
+{
+  if (_path.count != parameter.path.count) {
+    return NO;
+  }
+
+  NSString *current = [NSString stringWithFormat:@"%@|%@|%@",
+                       _name ?: @"",
+                       _value ?: @"",
+                       _pathType ?: @""];
+  NSString *compared = [NSString stringWithFormat:@"%@|%@|%@",
+                        parameter.name ?: @"",
+                        parameter.value ?: @"",
+                        parameter.pathType ?: @""];
+
+  if (![current isEqualToString:compared]) {
+    return NO;
+  }
+
+  for (int i = 0; i < _path.count; i++) {
+    if (![_path[i] isEqualToPath:parameter.path[i]]) {
+      return NO;
+    }
+  }
+
+  return YES;
+}
+
 @end
 
 #endif

FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/Codeless/FBSDKCodelessPathComponent.h

@@ -44,7 +44,8 @@ NS_SWIFT_NAME(CodelessPathComponent)
 @property (nonatomic, readonly) int row;
 @property (nonatomic, readonly) int matchBitmask;
 
-- (instancetype)initWithJSON:(NSDictionary*)dict;
+- (instancetype)initWithJSON:(NSDictionary *)dict;
+- (BOOL)isEqualToPath:(FBSDKCodelessPathComponent *)path;
 
 @end
 

FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/Codeless/FBSDKCodelessPathComponent.m

@@ -59,6 +59,23 @@ - (instancetype)initWithJSON:(NSDictionary *)dict {
   return self;
 }
 
+- (BOOL)isEqualToPath:(FBSDKCodelessPathComponent *)path
+{
+  NSString *current = [NSString stringWithFormat:@"%@|%@|%@|%@|%d|%d|%d|%d|%d",
+                       _className ?: @"",
+                       _text ?: @"",
+                       _hint ?: @"",
+                       _desc ?: @"",
+                       _index, _section, _row, _tag, _matchBitmask];
+  NSString *compared = [NSString stringWithFormat:@"%@|%@|%@|%@|%d|%d|%d|%d|%d",
+                        path.className ?: @"",
+                        path.text ?: @"",
+                        path.hint ?: @"",
+                        path.desc ?: @"",
+                        path.index, path.section, path.row, path.tag, path.matchBitmask];
+  return [current isEqualToString:compared];
+}
+
 @end
 
 #endif

FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/Codeless/FBSDKEventBinding.h

@@ -36,6 +36,7 @@ NS_SWIFT_NAME(EventBinding)
 + (BOOL)isPath:(NSArray *)path matchViewPath:(NSArray *)viewPath;
 - (FBSDKEventBinding *)initWithJSON:(NSDictionary *)dict;
 - (void)trackEvent:(id)sender;
+- (BOOL)isEqualToBinding:(FBSDKEventBinding *)binding;
 
 @end
 

FBSDKCoreKit/FBSDKCoreKit/AppEvents/Internal/Codeless/FBSDKEventBinding.m

@@ -259,6 +259,42 @@ + (NSObject *)findViewByPath:(NSArray *)path parent:(NSObject *)parent level:(in
   return nil;
 }
 
+- (BOOL)isEqualToBinding:(FBSDKEventBinding *)binding
+{
+  if (_path.count != binding.path.count ||
+      _parameters.count != binding.parameters.count) {
+    return NO;
+  }
+
+  NSString *current = [NSString stringWithFormat:@"%@|%@|%@|%@",
+                       _eventName ?: @"",
+                       _eventType ?: @"",
+                       _appVersion ?: @"",
+                       _pathType ?: @""];
+  NSString *compared = [NSString stringWithFormat:@"%@|%@|%@|%@",
+                        binding.eventName ?: @"",
+                        binding.eventType ?: @"",
+                        binding.appVersion ?: @"",
+                        binding.pathType ?: @""];
+  if (![current isEqualToString:compared]) {
+    return NO;
+  }
+
+  for (int i = 0; i < _path.count; i++) {
+    if (![_path[i] isEqualToPath:binding.path[i]]) {
+      return NO;
+    }
+  }
+
+  for (int i = 0; i < _parameters.count; i++) {
+    if (![_parameters[i] isEqualToParameter:binding.parameters[i]]) {
+      return NO;
+    }
+  }
+
+  return YES;
+}
+
 //  MARK: - find event parameters via relative path
 + (NSString *)findParameterOfPath:(NSArray *)path
                          pathType:(NSString *)pathType

FBSDKCoreKit/FBSDKCoreKitTests/Internal/AppEvents/Codeless/FBSDKEventBindingTests.m

@@ -107,7 +107,12 @@ - (void)testMatching {
   component = binding.parameters[1];
   NSString *action = [FBSDKEventBinding findParameterOfPath:component.path pathType:component.pathType sourceView:btnConfirm];
   XCTAssertEqual(action, @"Confirm");
+}
 
+- (void)testEventBindingEquation {
+  NSArray *bindings = [FBSDKEventBindingManager parseArray:[FBSDKSampleEventBinding getSampleDictionary][@"event_bindings"]];
+  XCTAssertTrue([bindings[0] isEqualToBinding:bindings[0]]);
+  XCTAssertFalse([bindings[0] isEqualToBinding:bindings[1]]);
 }
 
 @end