From 8f731dd3587d3e0a80338c4e3e7d57576780bc4c Mon Sep 17 00:00:00 2001
From: trafficlunar <hello@trafficlunar.net>
Date: Mon, 31 Mar 2025 20:20:16 +0100
Subject: [PATCH] fix: remove likes property in mii model

---
 .../migration.sql                             |  1 -
 prisma/schema.prisma                          |  1 -
 src/app/api/like/route.ts                     | 26 ++++++-------------
 src/app/components/mii-list.tsx               |  4 +++
 src/app/mii/[slug]/page.tsx                   | 26 ++++++++++++-------
 5 files changed, 28 insertions(+), 30 deletions(-)
 rename prisma/migrations/{20250330163530_init => 20250331194845_init}/migration.sql (98%)

diff --git a/prisma/migrations/20250330163530_init/migration.sql b/prisma/migrations/20250331194845_init/migration.sql
similarity index 98%
rename from prisma/migrations/20250330163530_init/migration.sql
rename to prisma/migrations/20250331194845_init/migration.sql
index 8fee47a..e53b21c 100644
--- a/prisma/migrations/20250330163530_init/migration.sql
+++ b/prisma/migrations/20250331194845_init/migration.sql
@@ -47,7 +47,6 @@ CREATE TABLE "miis" (
     "name" VARCHAR(64) NOT NULL,
     "pictures" TEXT[],
     "tags" TEXT[],
-    "likes" INTEGER NOT NULL DEFAULT 0,
     "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
 
     CONSTRAINT "miis_pkey" PRIMARY KEY ("id")
diff --git a/prisma/schema.prisma b/prisma/schema.prisma
index 617e6c0..4dd66bf 100644
--- a/prisma/schema.prisma
+++ b/prisma/schema.prisma
@@ -66,7 +66,6 @@ model Mii {
   name     String   @db.VarChar(64)
   pictures String[]
   tags     String[]
-  likes    Int      @default(0)
 
   createdAt DateTime @default(now())
 
diff --git a/src/app/api/like/route.ts b/src/app/api/like/route.ts
index 47dbf95..88d2510 100644
--- a/src/app/api/like/route.ts
+++ b/src/app/api/like/route.ts
@@ -21,7 +21,7 @@ export async function PATCH(request: Request) {
 		});
 
 		if (existingLike) {
-			// Delete the like if it exists
+			// Remove the like if it exists
 			await tx.like.delete({
 				where: {
 					userId_miiId: {
@@ -30,31 +30,21 @@ export async function PATCH(request: Request) {
 					},
 				},
 			});
-
-			const updatedMii = await tx.mii.update({
-				where: { id: miiId },
-				data: { likes: { decrement: 1 } },
-				select: { likes: true },
-			});
-
-			return { liked: false, count: updatedMii.likes };
 		} else {
-			// Create a new like if it doesn't exist
+			// Add a like if it doesn't exist
 			await tx.like.create({
 				data: {
 					userId: Number(session.user.id),
 					miiId,
 				},
 			});
-
-			const updatedMii = await tx.mii.update({
-				where: { id: miiId },
-				data: { likes: { increment: 1 } },
-				select: { likes: true },
-			});
-
-			return { liked: true, count: updatedMii.likes };
 		}
+
+		const likeCount = await tx.like.count({
+			where: { miiId },
+		});
+
+		return { liked: !existingLike, count: likeCount };
 	});
 
 	return Response.json({ success: true, liked: result.liked, count: result.count });
diff --git a/src/app/components/mii-list.tsx b/src/app/components/mii-list.tsx
index 634d2c2..e8a40c9 100644
--- a/src/app/components/mii-list.tsx
+++ b/src/app/components/mii-list.tsx
@@ -75,11 +75,15 @@ export default async function MiiList({ searchParams, userId }: Props) {
 					userId: true,
 				},
 			},
+			_count: {
+				select: { likedBy: true },
+			},
 		},
 	});
 
 	const formattedMiis = miis.map((mii) => ({
 		...mii,
+		likes: mii._count.likedBy,
 		isLikedByUser: mii.likedBy.length > 0, // True if the user has liked the Mii
 	}));
 
diff --git a/src/app/mii/[slug]/page.tsx b/src/app/mii/[slug]/page.tsx
index 8515485..07b6e47 100644
--- a/src/app/mii/[slug]/page.tsx
+++ b/src/app/mii/[slug]/page.tsx
@@ -10,7 +10,7 @@ interface Props {
 	params: Promise<{ slug: string }>;
 }
 
-export default async function ProfilePage({ params }: Props) {
+export default async function MiiPage({ params }: Props) {
 	const { slug } = await params;
 	const session = await auth();
 
@@ -25,14 +25,14 @@ export default async function ProfilePage({ params }: Props) {
 					username: true,
 				},
 			},
-		},
-	});
-
-	const isLiked = await prisma.like.findUnique({
-		where: {
-			userId_miiId: {
-				userId: Number(session?.user.id),
-				miiId: Number(slug),
+			likedBy: {
+				where: {
+					userId: Number(session?.user.id),
+				},
+				select: { userId: true },
+			},
+			_count: {
+				select: { likedBy: true }, // Get total like count
 			},
 		},
 	});
@@ -61,7 +61,13 @@ export default async function ProfilePage({ params }: Props) {
 				</div>
 
 				<div className="mt-auto">
-					<LikeButton likes={mii?.likes ?? 0} miiId={mii?.id} isLiked={isLiked != null} isLoggedIn={session?.user != null} big />
+					<LikeButton
+						likes={mii?._count.likedBy ?? 0}
+						miiId={mii?.id}
+						isLiked={(mii?.likedBy ?? []).length > 0}
+						isLoggedIn={session?.user != null}
+						big
+					/>
 				</div>
 			</div>
 		</div>