From 40fa8c52d2afc87c76b2d38566e9920120b2da3c Mon Sep 17 00:00:00 2001
From: Kostya <mail@sartin.in>
Date: Thu, 13 Aug 2026 15:52:07 +0000
Subject: Replace EventDTO with richer EventSummaryDTO/TradeRowDTO view models

Introduce MechanismType and rename CommissionChargeType to
CommissionTiming to better describe LMSR vs order-book events.
LocalGuessMarketContext.GetAllEventsAsync is stubbed pending the new
mapping.
---
 api/src/main/java/market/guess/api/Commission.java        |  3 ---
 .../main/java/market/guess/api/CommissionChargeType.java  |  6 ------
 api/src/main/java/market/guess/api/CommissionTiming.java  |  6 ++++++
 api/src/main/java/market/guess/api/EventDTO.java          |  9 ---------
 api/src/main/java/market/guess/api/EventSummaryDTO.java   | 15 +++++++++++++++
 .../main/java/market/guess/api/GuessMarketContext.java    |  2 +-
 api/src/main/java/market/guess/api/MechanismType.java     |  6 ++++++
 api/src/main/java/market/guess/api/TradeRowDTO.java       |  4 ++++
 8 files changed, 32 insertions(+), 19 deletions(-)
 delete mode 100644 api/src/main/java/market/guess/api/Commission.java
 delete mode 100644 api/src/main/java/market/guess/api/CommissionChargeType.java
 create mode 100644 api/src/main/java/market/guess/api/CommissionTiming.java
 delete mode 100644 api/src/main/java/market/guess/api/EventDTO.java
 create mode 100644 api/src/main/java/market/guess/api/EventSummaryDTO.java
 create mode 100644 api/src/main/java/market/guess/api/MechanismType.java
 create mode 100644 api/src/main/java/market/guess/api/TradeRowDTO.java

(limited to 'api/src')

diff --git a/api/src/main/java/market/guess/api/Commission.java b/api/src/main/java/market/guess/api/Commission.java
deleted file mode 100644
index 96cab8a..0000000
--- a/api/src/main/java/market/guess/api/Commission.java
+++ /dev/null
@@ -1,3 +0,0 @@
-package market.guess.api;
-
-public record Commission(CommissionChargeType type, int percentage) {}
diff --git a/api/src/main/java/market/guess/api/CommissionChargeType.java b/api/src/main/java/market/guess/api/CommissionChargeType.java
deleted file mode 100644
index 75e409b..0000000
--- a/api/src/main/java/market/guess/api/CommissionChargeType.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package market.guess.api;
-
-public enum CommissionChargeType {
-  ON_CLOSE,
-  ON_PURCHASE
-}
diff --git a/api/src/main/java/market/guess/api/CommissionTiming.java b/api/src/main/java/market/guess/api/CommissionTiming.java
new file mode 100644
index 0000000..29861e3
--- /dev/null
+++ b/api/src/main/java/market/guess/api/CommissionTiming.java
@@ -0,0 +1,6 @@
+package market.guess.api;
+
+public enum CommissionTiming {
+  ON_CLOSE,
+  ON_PURCHASE
+}
diff --git a/api/src/main/java/market/guess/api/EventDTO.java b/api/src/main/java/market/guess/api/EventDTO.java
deleted file mode 100644
index 2b2bc63..0000000
--- a/api/src/main/java/market/guess/api/EventDTO.java
+++ /dev/null
@@ -1,9 +0,0 @@
-package market.guess.api;
-
-public record EventDTO(
-    int id,
-    String name,
-    String description,
-    int commission,
-    CommissionChargeType commissionChargeType,
-    EventStatus status) {}
diff --git a/api/src/main/java/market/guess/api/EventSummaryDTO.java b/api/src/main/java/market/guess/api/EventSummaryDTO.java
new file mode 100644
index 0000000..361656b
--- /dev/null
+++ b/api/src/main/java/market/guess/api/EventSummaryDTO.java
@@ -0,0 +1,15 @@
+package market.guess.api;
+
+import java.util.List;
+
+public record EventSummaryDTO(
+    String eventKey,
+    int displayId,
+    String name,
+    String description,
+    int commissionPercent,
+    CommissionTiming commissionTiming,
+    MechanismType mechanism,
+    EventStatus status,
+    List<String> optionNames,
+    String accountBalance) {}
diff --git a/api/src/main/java/market/guess/api/GuessMarketContext.java b/api/src/main/java/market/guess/api/GuessMarketContext.java
index 2d7af4c..d3954cd 100644
--- a/api/src/main/java/market/guess/api/GuessMarketContext.java
+++ b/api/src/main/java/market/guess/api/GuessMarketContext.java
@@ -7,7 +7,7 @@ public interface GuessMarketContext {
 
   void SaveChangesAsync();
 
-  List<EventDTO> GetAllEventsAsync();
+  List<EventSummaryDTO> GetAllEventsAsync();
 
   void GetEventInfoByIdAsync();
 
diff --git a/api/src/main/java/market/guess/api/MechanismType.java b/api/src/main/java/market/guess/api/MechanismType.java
new file mode 100644
index 0000000..f478041
--- /dev/null
+++ b/api/src/main/java/market/guess/api/MechanismType.java
@@ -0,0 +1,6 @@
+package market.guess.api;
+
+public enum MechanismType {
+  LMSR,
+  ORDER_BOOK
+}
diff --git a/api/src/main/java/market/guess/api/TradeRowDTO.java b/api/src/main/java/market/guess/api/TradeRowDTO.java
new file mode 100644
index 0000000..7331bb1
--- /dev/null
+++ b/api/src/main/java/market/guess/api/TradeRowDTO.java
@@ -0,0 +1,4 @@
+package market.guess.api;
+
+public record TradeRowDTO(
+    String at, String userName, String optionName, long quantity, String pricePaid) {}
-- 
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