From 0ea0cecfc320a18971f6efb792a94666a660f64e Mon Sep 17 00:00:00 2001
From: ekzyis <ekzyis@ekzyis.com>
Date: Mon, 4 Dec 2023 02:25:41 +0100
Subject: [PATCH] Show market outcome

---
 db/init.sql                     |  1 +
 db/market.go                    |  4 ++--
 db/types.go                     |  1 +
 server/router/handler/market.go |  5 +++++
 vue/src/components/Market.vue   | 10 ++++++++--
 5 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/db/init.sql b/db/init.sql
index e13c5c2..8cf0a2b 100644
--- a/db/init.sql
+++ b/db/init.sql
@@ -39,6 +39,7 @@ CREATE EXTENSION "uuid-ossp";
 CREATE TABLE shares(
     id UUID PRIMARY KEY DEFAULT uuid_generate_v4(),
     market_id INTEGER REFERENCES markets(id),
+    win BOOLEAN,
     description TEXT NOT NULL
 );
 CREATE TYPE order_side AS ENUM ('BUY', 'SELL');
diff --git a/db/market.go b/db/market.go
index 803fc21..333d821 100644
--- a/db/market.go
+++ b/db/market.go
@@ -54,14 +54,14 @@ func (db *DB) FetchActiveMarkets(markets *[]Market) error {
 }
 
 func (db *DB) FetchShares(marketId int, shares *[]Share) error {
-	rows, err := db.Query("SELECT id, market_id, description FROM shares WHERE market_id = $1 ORDER BY description DESC", marketId)
+	rows, err := db.Query("SELECT id, market_id, description, win FROM shares WHERE market_id = $1 ORDER BY description DESC", marketId)
 	if err != nil {
 		return err
 	}
 	defer rows.Close()
 	for rows.Next() {
 		var share Share
-		rows.Scan(&share.Id, &share.MarketId, &share.Description)
+		rows.Scan(&share.Id, &share.MarketId, &share.Description, &share.Win)
 		*shares = append(*shares, share)
 	}
 	return nil
diff --git a/db/types.go b/db/types.go
index 0bfd449..261b5be 100644
--- a/db/types.go
+++ b/db/types.go
@@ -37,6 +37,7 @@ type (
 		Id          UUID `json:"sid"`
 		MarketId    int
 		Description string
+		Win         bool
 	}
 	Invoice struct {
 		Id             UUID
diff --git a/server/router/handler/market.go b/server/router/handler/market.go
index 87ecff8..784a37c 100644
--- a/server/router/handler/market.go
+++ b/server/router/handler/market.go
@@ -457,6 +457,11 @@ func HandleMarketSettlement(sc context.ServerContext) echo.HandlerFunc {
 			return err
 		}
 
+		if _, err = tx.ExecContext(ctx, "UPDATE shares SET win = (id = $1) WHERE market_id = $2", s.Id, marketId); err != nil {
+			tx.Rollback()
+			return err
+		}
+
 		tx.Commit()
 
 		return c.JSON(http.StatusOK, nil)
diff --git a/vue/src/components/Market.vue b/vue/src/components/Market.vue
index e16be7f..201534b 100644
--- a/vue/src/components/Market.vue
+++ b/vue/src/components/Market.vue
@@ -9,8 +9,8 @@
 |_| |_| |_|\__,_|_|  |_|\_\___|\__|</pre>
   </div>
   <div class="font-mono">{{ market.Description }}</div>
-  <div v-if="!!market.SettledAt" class="label error font-mono m-auto my-3">
-    <div>Settled</div>
+  <div v-if="!!market.SettledAt" class="label info font-mono m-auto my-3">
+    <div>Settled: {{ winShareDescription }}</div>
   </div>
   <!-- eslint-enable -->
   <header class="flex flex-row text-center justify-center pt-1">
@@ -38,6 +38,7 @@ const marketId = route.params.id
 
 const market = ref(null)
 const mine = ref(false)
+const winShareDescription = ref(null)
 const url = '/api/market/' + marketId
 await fetch(url)
   .then(r => r.json())
@@ -45,6 +46,11 @@ await fetch(url)
     market.value = body
     mine.value = market.value.Pubkey === session.pubkey
   })
+  .then(() => {
+    if (market.value.SettledAt) {
+      winShareDescription.value = market.value.Shares.find(({ Win }) => Win).Description
+    }
+  })
   .catch(console.error)
 
 </script>