Add categories

Author: Bianca-Dascalescu

README.md

@@ -13,6 +13,7 @@ It simulates a real-world development workflow with collaborative feature develo
 S25-Full-Stack-Circle/
 ├── frontend/   # React + Vite + CSS Modules
 ├── backend/    # Express + Prisma + PostgreSQL
+├── scripts/    # Utility scripts for setup and maintenance
 └── README.md
 
 ````
@@ -89,6 +90,24 @@ npm run seed
 
 ---
 
+### 🏷️ Category System
+
+The app uses a category-based organization system for pins:
+
+- Each pin can belong to one category
+- Categories are displayed on the Explore page
+
+#### Seeding Categories
+
+To populate the database with initial categories:
+
+```bash
+cd backend
+node scripts/seed-categories.js
+```
+
+---
+
 ## ⚙ Tech Stack
 
 * **Frontend**: React + Vite + CSS Modules

backend/prisma/schema.prisma

@@ -31,6 +31,16 @@ model User {
   savedPins SavedPin[]
 }
 
+model Category {
+  id          Int      @id @default(autoincrement())
+  title       String   @unique
+  imageUrl    String?
+  description String?
+  createdAt   DateTime @default(now())
+  
+  pins     Pin[]
+}
+
 model Pin {
   id                 Int        @id @default(autoincrement())
   title              String
@@ -43,6 +53,8 @@ model Pin {
   isAllowedtoComment Boolean    @default(true)
   link               String?
   showSimilarProduct Boolean    @default(false)
+  categoryId         Int?
+  category           Category?  @relation(fields: [categoryId], references: [id])
   comments           Comment[]
   author             User       @relation("CreatedPins", fields: [authorId], references: [id])
   // board              Board?     @relation(fields: [boardId], references: [id])

backend/scripts/clean-categories.js

@@ -0,0 +1,29 @@
+import { PrismaClient } from "@prisma/client";
+// script used to cleanup categories in the database
+const prisma = new PrismaClient();
+
+async function main() {
+  console.log("Cleaning up categories...");
+
+  // First, remove category references from pins
+  await prisma.pin.updateMany({
+    data: {
+      categoryId: null
+    }
+  });
+
+  // Then delete all categories
+  await prisma.category.deleteMany({});
+
+  console.log("Categories cleaned up successfully!");
+}
+
+main()
+  .catch(e => {
+    console.error("Error cleaning up categories:", e);
+    process.exit(1);
+  })
+  .finally(async () => {
+    await prisma.$disconnect();
+    process.exit(0);
+  });

backend/scripts/seed-categories.js

@@ -0,0 +1,105 @@
+// Script to seed initial categories into the database
+import { PrismaClient } from "@prisma/client";
+
+const prisma = new PrismaClient();
+
+const categories = [
+  {
+    title: "Art",
+    description:
+      "Paintings, drawings, sculptures and other beautiful creations",
+    imageUrl: "https://picsum.photos/300/150?random=2"
+  },
+  {
+    title: "Beauty",
+    description: "Makeup, skincare, hair and other beauty topics",
+    imageUrl: "https://picsum.photos/300/150?random=3"
+  },
+  {
+    title: "Design",
+    description: "Graphic design, interior design and other creative designs",
+    imageUrl: "https://picsum.photos/300/150?random=4"
+  },
+  {
+    title: "DIY and Crafts",
+    description: "Do it yourself projects and crafting ideas",
+    imageUrl: "https://picsum.photos/300/150?random=5"
+  },
+  {
+    title: "Food and Drink",
+    description: "Recipes, cooking tips, and food inspiration",
+    imageUrl: "https://picsum.photos/300/150?random=6"
+  },
+  {
+    title: "Home Decor",
+    description: "Ideas to decorate and style your home",
+    imageUrl: "https://picsum.photos/300/150?random=7"
+  },
+  {
+    title: "Men's Fashion",
+    description: "Clothing, accessories and style for men",
+    imageUrl: "https://picsum.photos/300/150?random=8"
+  },
+  {
+    title: "Women's Fashion",
+    description: "Clothing, accessories and style for women",
+    imageUrl: "https://picsum.photos/300/150?random=9"
+  },
+  {
+    title: "Travel",
+    description: "Destinations, travel tips and vacation inspiration",
+    imageUrl: "https://picsum.photos/300/150?random=10"
+  },
+  {
+    title: "Technology",
+    description: "Gadgets, software, and tech innovations",
+    imageUrl: "https://picsum.photos/300/150?random=11"
+  },
+  {
+    title: "Nature",
+    description: "Beautiful landscapes, plants, and animals",
+    imageUrl: "https://picsum.photos/300/150?random=12"
+  },
+  {
+    title: "Photography",
+    description: "Photography inspiration, tips and techniques",
+    imageUrl: "https://picsum.photos/300/150?random=13"
+  }
+];
+
+async function main() {
+  console.log("Starting to seed categories...");
+
+  for (const category of categories) {
+    // Check if category already exists to avoid duplicates
+    const existing = await prisma.category.findFirst({
+      where: {
+        title: {
+          equals: category.title,
+          mode: "insensitive"
+        }
+      }
+    });
+
+    if (!existing) {
+      const created = await prisma.category.create({
+        data: category
+      });
+      console.log(`Created category: ${created.title}`);
+    } else {
+      console.log(`Category "${category.title}" already exists, skipping`);
+    }
+  }
+
+  console.log("Category seeding completed!");
+}
+
+main()
+  .catch(e => {
+    console.error("Error seeding categories:", e);
+    process.exit(1);
+  })
+  .finally(async () => {
+    await prisma.$disconnect();
+    process.exit(0);
+  });