add currency to BUO

Author: ahmednawar

Branch-SDK/Branch-SDK/Branch.h

@@ -106,6 +106,7 @@ extern NSString * const BRANCH_INIT_KEY_CLICKED_BRANCH_LINK;
 // BUO Constants
 extern NSString * const BNCCanonicalIdList;
 extern NSString * const BNCPurchaseAmount;
+extern NSString * const BNCPurchaseCurrency;
 extern NSString * const BNCCanonicalIdList;
 extern NSString * const BNCPurchaseAmount;
 extern NSString * const BNCRegisterViewEvent;

Branch-SDK/Branch-SDK/Branch.m

@@ -58,6 +58,7 @@
 
 NSString * const BNCCanonicalIdList = @"$canonical_identifier_list";
 NSString * const BNCPurchaseAmount = @"$amount";
+NSString * const BNCPurchaseCurrency = @"$currency";
 NSString * const BNCRegisterViewEvent = @"View";
 NSString * const BNCAddToWishlistEvent = @"Add to Wishlist";
 NSString * const BNCAddToCartEvent = @"Add to Cart";

Branch-SDK/Branch-SDK/BranchUniversalObject.h

@@ -11,7 +11,6 @@
 
 @class BranchLinkProperties;
 
-typedef void (^_Nullable callback) ();
 typedef void (^shareCompletion) (NSString *_Nonnull activityType, BOOL completed);
 
 typedef NS_ENUM(NSInteger, ContentIndexMode) {
@@ -34,6 +33,8 @@ typedef NS_ENUM(NSInteger, ContentIndexMode) {
 @property (nonatomic, strong) NSDate *expirationDate;
 @property (nonatomic, strong) NSString *spotlightIdentifier;
 @property (nonatomic, assign) CGFloat price;
+@property (nonatomic, strong) NSString *currency;
+
 
 - (instancetype)initWithCanonicalIdentifier:(NSString *)canonicalIdentifier;
 - (instancetype)initWithTitle:(NSString *)title;

Branch-SDK/Branch-SDK/BranchUniversalObject.m

@@ -323,6 +323,9 @@ + (BranchUniversalObject *)getBranchUniversalObjectFromDictionary:(NSDictionary
     if (dictionary[BNCPurchaseAmount]) {
         universalObject.price = [dictionary[BNCPurchaseAmount] floatValue];
     }
+    if (dictionary[BNCPurchaseCurrency]) {
+        universalObject.currency = dictionary[BNCPurchaseCurrency];
+    }
 
     return universalObject;
 }
@@ -349,9 +352,13 @@ - (NSDictionary *)getParamsForServerRequest {
     [self safeSetValue:self.keywords forKey:BRANCH_LINK_DATA_KEY_KEYWORDS onDict:temp];
     [self safeSetValue:@(1000 * [self.expirationDate timeIntervalSince1970]) forKey:BRANCH_LINK_DATA_KEY_CONTENT_EXPIRATION_DATE onDict:temp];
     [self safeSetValue:self.type forKey:BRANCH_LINK_DATA_KEY_CONTENT_TYPE onDict:temp];
+    [self safeSetValue:self.currency forKey:BNCPurchaseCurrency onDict:temp];
     if (self.price) {
+        // have to add if statement because safeSetValue only accepts objects so even if self.price is not set
+        // a valid NSNumber object will be created and the request will have amount:0 in all cases.
         [self safeSetValue:[NSNumber numberWithFloat:self.price] forKey:BNCPurchaseAmount onDict:temp];
     }
+    
     [temp addEntriesFromDictionary:[self.metadata copy]];
     return [temp copy];
 }

Branch-TestBed/Branch-TestBed/ViewController.m

@@ -55,6 +55,8 @@ - (void)viewDidLoad {
     _branchUniversalObject.title = contentTitle;
     _branchUniversalObject.contentDescription = contentDescription;
     _branchUniversalObject.imageUrl = imageUrl;
+    _branchUniversalObject.price = 1000;
+    _branchUniversalObject.currency = @"$";
     [_branchUniversalObject addMetadataKey:@"deeplink_text" value:[NSString stringWithFormat:
                                                                    @"This text was embedded as data in a Branch link with the following characteristics:\n\n  canonicalUrl: %@\n  title: %@\n  contentDescription: %@\n  imageUrl: %@\n", canonicalUrl, contentTitle, contentDescription, imageUrl]];
     [self refreshRewardPoints];