Initial update to include custom fields in charge

__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: '[email protected]',
+            amountInKobo: 150000,
+            subAccount: 'ACCT_pz61jjjsslnx1d9',
+        });
+
+        console.log("Paystack Response => ", response);
+    } catch (err) {
+        console.log("An error occurred => ", err);
+    }
+
+})

android/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>android</name>
+	<comment>Project android created by Buildship.</comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.buildship.core.gradleprojectbuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.buildship.core.gradleprojectnature</nature>
+	</natures>
+</projectDescription>

android/.settings/org.eclipse.buildship.core.prefs

@@ -0,0 +1,13 @@
+arguments=
+auto.sync=false
+build.scans.enabled=false
+connection.gradle.distribution=GRADLE_DISTRIBUTION(VERSION(5.6.1))
+connection.project.dir=
+eclipse.preferences.version=1
+gradle.user.home=
+java.home=
+jvm.arguments=
+offline.mode=false
+override.workspace.settings=true
+show.console.view=true
+show.executions.view=true

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

@@ -258,6 +258,23 @@ private void validateFullTransaction() {
             charge.setReference(chargeOptions.getString("reference"));
         }
 
+        // **NEW: Added this for metadata/custom fields
+        if (hasKey("customField")) {
+            // charge.setReference(chargeOptions.get)
+            ReadableArray customFields = chargeOptions.getArray("customField");
+            if (!customFields.isNull()) {
+                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.
+                    charge.putCustomField(displayName, value);
+                }
+            }
+        }
+
     }
 
     private void createTransaction() {

ios/RNPaystack.m

@@ -170,7 +170,20 @@ - (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) {
+            do {
+                for (NSDictionary *customField in params[@"customField"]) {
+                    if (customField[@"value"] != nil && customField[@"display_name"] != nil) {
+                        try transactionParams.setCustomFieldValue(customField[@"value"], displayedAs: customField[@"display_name"]);
+                    }
+                }
+            } catch {
+                print(error);
+            }
+        }
 
         if ([self isCardValid:cardParams]) {