From fe2769b713e9a540c1a2d0a7bcb11d5e64696a91 Mon Sep 17 00:00:00 2001
From: Varun Rajput <varun@digitallyinduced.com>
Date: Sun, 8 Dec 2024 17:42:24 +0530
Subject: [PATCH] Show On Delete constraint in Schema Designer

---
 ihp-ide/IHP/IDE/SchemaDesigner/View/Layout.hs | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/ihp-ide/IHP/IDE/SchemaDesigner/View/Layout.hs b/ihp-ide/IHP/IDE/SchemaDesigner/View/Layout.hs
index 2105f17cc..3d83cb7c1 100644
--- a/ihp-ide/IHP/IDE/SchemaDesigner/View/Layout.hs
+++ b/ihp-ide/IHP/IDE/SchemaDesigner/View/Layout.hs
@@ -404,7 +404,16 @@ renderColumn Column { name, columnType, defaultValue, notNull, isUnique } id tab
                 Just value -> [hsx|default: {compileExpression value} |]
                 Nothing -> mempty
         renderForeignKey = case findForeignKey statements tableName name of
-            Just addConstraint@AddConstraint { constraint = ForeignKeyConstraint { name = Just constraintName, referenceTable } } -> [hsx|<a href={EditForeignKeyAction tableName name constraintName referenceTable} class="d-block nounderline">FOREIGN KEY: {referenceTable}</a>|]
+            Just addConstraint@AddConstraint { constraint = ForeignKeyConstraint { name = Just constraintName, referenceTable, onDelete = onDeleteConstraint } } -> [hsx|<a href={EditForeignKeyAction tableName name constraintName referenceTable} class="d-block nounderline">FOREIGN KEY: {referenceTable} (On Delete: {onDeleteText})</a>|]
+                where
+                onDeleteText :: Text
+                onDeleteText = case onDeleteConstraint of
+                   Just NoAction -> "No Action"
+                   Just Restrict -> "Restrict"
+                   Just SetNull -> "Set Null"
+                   Just SetDefault -> "Set Default"
+                   Just Cascade -> "Cascade"
+                   Nothing -> "No Action"
             _ -> mempty
         foreignKeyOption = case findForeignKey statements tableName name of
             Just addConstraint@AddConstraint { constraint = ForeignKeyConstraint { name = Just constraintName, referenceTable } } ->