Checkout not translated when passing in certain values in checkout wrapper

Author: wangdaliu

affirm/src/main/java/com/affirm/android/AffirmConstants.java

@@ -88,6 +88,8 @@ private AffirmConstants() {
     static final String CHECKOUT_CAAS_EXTRA = "checkout_caas_extra";
     static final String CHECKOUT_MONEY = "checkout_money";
     static final String CHECKOUT_CARD_AUTH_WINDOW = "checkout_card_auth_window";
+    static final String CHECKOUT_META = "meta";
+    static final String CHECKOUT_META_LOCALE = "locale";
     static final String CREDIT_DETAILS = "credit_details";
     static final String VCN_REASON = "vcn_reason";
     static final String NEW_FLOW = "new_flow";

affirm/src/main/java/com/affirm/android/CheckoutRequest.java

@@ -25,6 +25,8 @@
 import static com.affirm.android.AffirmConstants.CHECKOUT;
 import static com.affirm.android.AffirmConstants.CHECKOUT_HEADER_AFFIRM_LOCALE;
 import static com.affirm.android.AffirmConstants.CHECKOUT_HEADER_COUNTRY_CODE;
+import static com.affirm.android.AffirmConstants.CHECKOUT_META;
+import static com.affirm.android.AffirmConstants.CHECKOUT_META_LOCALE;
 import static com.affirm.android.AffirmConstants.CHECKOUT_PATH;
 import static com.affirm.android.AffirmConstants.MERCHANT;
 import static com.affirm.android.AffirmConstants.METADATA;
@@ -193,6 +195,10 @@ public JsonObject body() {
             checkoutJson.add(MERCHANT, merchantJson);
             checkoutJson.addProperty(API_VERSION_KEY, API_VERSION_VALUE);
 
+            JsonObject metaJson = new JsonObject();
+            metaJson.addProperty(CHECKOUT_META_LOCALE, AffirmPlugins.get().locale());
+            checkoutJson.add(CHECKOUT_META, metaJson);
+
             // Need to set `platform_type` & `platform_affirm` by default
             JsonObject metadataJson = checkoutJson.getAsJsonObject(METADATA);
             if (metadataJson == null) {