From 653e2d0a1e6990a130bfbec3c29235c53bcb0d90 Mon Sep 17 00:00:00 2001
From: Joel Auterson <joel.auterson@gmail.com>
Date: Sun, 21 Jan 2024 15:31:25 +0000
Subject: [PATCH] Add transaction ID, entitlement count and copy

---
 README.md                                     |  4 +-
 .../java/com/bearwaves/eos4j/EOSEcom.java     | 20 +++++++
 .../com/bearwaves/eos4j/EOSEcomNative.java    | 56 +++++++++++++++++++
 3 files changed, 79 insertions(+), 1 deletion(-)

diff --git a/README.md b/README.md
index c65dc99..56f3e91 100644
--- a/README.md
+++ b/README.md
@@ -155,7 +155,9 @@ function.
 - Entitlements (query/count/copy), entitlement token, redeem
 - Query ownership, ownership token
 - Checkout
-- Transaction count and copy by ID/index
+- Transactions
+  - Count and copy by ID/index
+  - Get transaction ID, count and copy entitlements
 
 If there's something missing that you need, please do open an issue. PRs
 are very welcome.
diff --git a/src/main/java/com/bearwaves/eos4j/EOSEcom.java b/src/main/java/com/bearwaves/eos4j/EOSEcom.java
index 6c8dc47..033ea01 100644
--- a/src/main/java/com/bearwaves/eos4j/EOSEcom.java
+++ b/src/main/java/com/bearwaves/eos4j/EOSEcom.java
@@ -199,6 +199,26 @@ public static class Transaction extends EOSHandle {
         public void release() {
             EOSEcomNative.releaseTransaction(ptr);
         }
+
+        public String getTransactionId() {
+            return EOSEcomNative.transactionGetTransactionId(ptr);
+        }
+
+        public int getEntitlementsCount() {
+            return EOSEcomNative.transactionGetEntitlementsCount(ptr);
+        }
+
+        public Entitlement copyEntitlementByIndex(CopyEntitlementByIndexOptions options) throws EOSException {
+            return EOSEcomNative.transactionCopyEntitlementByIndex(ptr, options);
+        }
+
+        public static class CopyEntitlementByIndexOptions {
+            public final int entitlementIndex;
+
+            public CopyEntitlementByIndexOptions(int entitlementIndex) {
+                this.entitlementIndex = entitlementIndex;
+            }
+        }
     }
 
     // Options structs
diff --git a/src/main/java/com/bearwaves/eos4j/EOSEcomNative.java b/src/main/java/com/bearwaves/eos4j/EOSEcomNative.java
index 055f33e..17cdaf4 100644
--- a/src/main/java/com/bearwaves/eos4j/EOSEcomNative.java
+++ b/src/main/java/com/bearwaves/eos4j/EOSEcomNative.java
@@ -650,5 +650,61 @@ static native EOSEcom.Transaction copyTransactionByIndex(
     static native void releaseTransaction(long handle); /*
         EOS_Ecom_Transaction_Release(reinterpret_cast<EOS_Ecom_HTransaction>(handle));
     */
+
+    static native String transactionGetTransactionId(long transactionHandle); /*
+        int32_t length = 100;
+        char buffer[length];
+        EOS_Ecom_Transaction_GetTransactionId(
+            reinterpret_cast<EOS_Ecom_HTransaction>(transactionHandle),
+            buffer,
+            &length
+        );
+        return env->NewStringUTF(buffer);
+    */
+
+    static native int transactionGetEntitlementsCount(long transactionHandle); /*
+        EOS_Ecom_Transaction_GetEntitlementsCountOptions count_options;
+        memset(&count_options, 0, sizeof(count_options));
+        count_options.ApiVersion = EOS_ECOM_TRANSACTION_GETENTITLEMENTSCOUNT_API_LATEST;
+
+        return EOS_Ecom_Transaction_GetEntitlementsCount(reinterpret_cast<EOS_Ecom_HTransaction>(transactionHandle), &count_options);
+    */
+
+    static native EOSEcom.Entitlement transactionCopyEntitlementByIndex(
+            long transactionHandle, EOSEcom.Transaction.CopyEntitlementByIndexOptions options
+    ) throws EOSException; /*
+        auto index = EOS4J::javaIntFromObjectField(env, options, "entitlementIndex");
+
+        EOS_Ecom_Transaction_CopyEntitlementByIndexOptions copy_options;
+        memset(&copy_options, 0, sizeof(copy_options));
+        copy_options.ApiVersion = EOS_ECOM_TRANSACTION_COPYENTITLEMENTBYINDEX_API_LATEST;
+        copy_options.EntitlementIndex = static_cast<int>(index);
+
+        EOS_Ecom_Entitlement* out;
+        auto copy_result = EOS_Ecom_Transaction_CopyEntitlementByIndex(reinterpret_cast<EOS_Ecom_HTransaction>(transactionHandle), &copy_options, &out);
+        if (copy_result != EOS_EResult::EOS_Success) {
+            EOS4J::throwEOSException(env, static_cast<int>(copy_result));
+            return nullptr;
+        }
+
+        jclass result_cls = env->FindClass("com/bearwaves/eos4j/EOSEcom$Entitlement");
+        jmethodID result_ctor = env->GetMethodID(result_cls, "<init>", "(JLjava/lang/String;Ljava/lang/String;Ljava/lang/String;IZLjava/util/Date;)V");
+
+        jclass date_cls = env->FindClass("java/util/Date");
+        jmethodID date_ctor = env->GetMethodID(date_cls, "<init>", "(J)V");
+        jobject end = out->EndTimestamp == EOS_ECOM_ENTITLEMENT_ENDTIMESTAMP_UNDEFINED ? nullptr : env->NewObject(date_cls, date_ctor, out->EndTimestamp);
+
+        return env->NewObject(
+            result_cls,
+            result_ctor,
+            (long long) out,
+            env->NewStringUTF(out->EntitlementName),
+            env->NewStringUTF(out->EntitlementId),
+            env->NewStringUTF(out->CatalogItemId),
+            out->ServerIndex,
+            out->bRedeemed,
+            end
+        );
+     */
 }