Addition of customField to chargeCard request parameters

README.md

@@ -223,6 +223,10 @@ chargeCard() {
       email: 'chargeIOS@master.dev',
       amountInKobo: 150000,
       subAccount: 'ACCT_pz61jjjsslnx1d9',
+      customField: [
+        {display_name: "Product", value: "Prada Women Shoe"},
+        {display_name: "Product S/N", value: "1002345678"}
+      ]
     })
 	.then(response => {
 	  console.log(response); // card charged successfully, get reference here
@@ -252,6 +256,7 @@ chargeCard() {
 | transactionCharge (optional) | integer | the amount to be charged on a split-payment, use only when `subAccount` is set |
 | bearer (optional) | string | sets which party bears paystack fees on a split-payment e.g. 'subaccount', use only when `subAccount` is set |
 | reference (optional) | string | sets the transaction reference which must be unique per transaction |
+| customField (optional) | Array | sets the custom fields you want included in the transaction details while viewing on paystack dashboard e.g. `customField: [{display_name: "Your display name", value: "Your set value"}, ..., {display_name: "...", value: "..."}]` [Check the implementation here](#charging-a-card-ios--android) |
 
 #### Response Object
 
@@ -301,6 +306,7 @@ Perhaps needless to say, this module leverages the [Paystack Android SDK](https:
 * 3.1.4: Miscellaneous and dependencies update on Android.
 * 3.2.0: A Breaking Change - Initialize library in JS, rather than in native code.
 * 3.3.0: Move to a CocoaPods Flow for iOS.
+* 3.4.1: Minor update to include `customField` in request.
 
 ## 6. License
 

__tests__/index.js

@@ -0,0 +1,24 @@
+import RNPaystack from "..";
+
+const PUBLIC_KEY = "pk_test_63847c1ea97fdd25178ca0297bbdb71542e1a9bb";
+RNPaystack.init({ publicKey: PUBLIC_KEY});
+
+it("Expects custom fields to be added", async () => {
+
+    try {
+        const response = await RNPaystack.chargeCard({
+            cardNumber: '4123450131001381', 
+            expiryMonth: '10', 
+            expiryYear: '17', 
+            cvc: '883',
+            email: 'chargeIOS@master.dev',
+            amountInKobo: 150000,
+            subAccount: 'ACCT_pz61jjjsslnx1d9',
+        });
+
+        console.log("Paystack Response => ", response);
+    } catch (err) {
+        console.log("An error occurred => ", err);
+    }
+
+})

android/build.gradle

@@ -41,6 +41,6 @@ dependencies {
     implementation "com.facebook.react:react-native:+"
     implementation 'com.squareup.retrofit2:retrofit:2.5.0'
     implementation 'com.squareup.retrofit2:converter-gson:2.5.0'
-    implementation 'co.paystack.android.design.widget:pinpad:1.0.1'
-    implementation 'co.paystack.android:paystack:3.0.12'   
+    implementation 'co.paystack.android.design.widget:pinpad:1.0.8'
+    implementation 'co.paystack.android:paystack:3.1.3'   
 }

android/src/main/java/com/arttitude360/reactnative/rnpaystack/RNPaystackModule.java

@@ -258,6 +258,25 @@ private void validateFullTransaction() {
             charge.setReference(chargeOptions.getString("reference"));
         }
 
+        // **NEW: Added this for metadata/custom fields
+        if (hasArrayKey("customField")) {
+            // charge.setReference(chargeOptions.get)
+            ReadableArray customFields = chargeOptions.getArray("customField");
+            int customFieldListSize = customFields.size();
+            for (int i = 0; i < customFieldListSize; i++) {
+                ReadableMap customField = customFields.getMap(i);
+                String displayName = customField.getString("display_name");
+                String value = customField.getString("value");
+
+                // Now set paystack custom field.
+                try {
+                    charge.putCustomField(displayName, value);
+                } catch (JSONException err) {
+                    //Log.d("Custom Field Error", err);
+                }
+            }
+        }
+
     }
 
     private void createTransaction() {
@@ -313,6 +332,10 @@ private boolean hasIntKey(String key) {
         return chargeOptions.hasKey(key) && !chargeOptions.isNull(key) && chargeOptions.getInt(key) > 0;
     }
 
+    private boolean hasArrayKey(String key) {
+        return chargeOptions.hasKey(key) && !chargeOptions.isNull(key) && chargeOptions.getArray(key).size() > 0;
+    }
+
     private void rejectPromise(String code, String message) {
         if (this.pendingPromise != null) {
             this.pendingPromise.reject(code, message);

ios/RNPaystack.m

@@ -130,7 +130,7 @@ - (BOOL)cardParamsAreValid:(NSString *)cardNumber withMonth:(NSString *)expMonth
     requestIsCompleted = NO;
 
     if (! [self cardParamsAreValid:params[@"cardNumber"] withMonth:params[@"expiryMonth"] withYear:params[@"expiryYear"] andWithCvc:params[@"cvc"]]) {
-
+        requestIsCompleted = YES;
         // NSMutableDictionary *returnInfo = [self setErrorMsg:self.errorMsg withErrorCode:self.errorCode];
         if (_reject) {
             _reject(self.errorCode, self.errorMsg, nil);
@@ -170,7 +170,17 @@ - (BOOL)cardParamsAreValid:(NSString *)cardNumber withMonth:(NSString *)expMonth
 
         if (params[@"reference"] != nil) {
             transactionParams.reference = params[@"reference"];
-        }            
+        }
+
+        // **NEW: Adding Custom Fields to Transaction
+        if (params[@"customField"] != nil) {
+            for (NSDictionary *customField in params[@"customField"]) {
+                if (customField[@"value"] != nil && customField[@"display_name"] != nil) {
+                    NSError * __autoreleasing _Nullable *transactionError = nil;
+                    [transactionParams setCustomFieldValue: customField[@"value"] displayedAs:customField[@"display_name"] error:&transactionError];
+                }
+            }
+        }
 
         if ([self isCardValid:cardParams]) {
 
@@ -224,7 +234,7 @@ - (BOOL)cardParamsAreValid:(NSString *)cardNumber withMonth:(NSString *)expMonth
     requestIsCompleted = NO;
 
     if (! [self cardParamsAreValid:params[@"cardNumber"] withMonth:params[@"expiryMonth"] withYear:params[@"expiryYear"] andWithCvc:params[@"cvc"]]) {
-
+        requestIsCompleted = YES;
         // NSMutableDictionary *returnInfo = [self setErrorMsg:self.errorMsg withErrorCode:self.errorCode];
         if (_reject) {
             _reject(self.errorCode, self.errorMsg, nil);