first commit

app/api/admin/categories/[id]/route.ts

@@ -0,0 +1,195 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { auth } from '@/auth'
+import { prisma } from '@/lib/prisma'
+
+export async function DELETE(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const session = await auth()
+    
+    if (!session?.user || session.user.role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    const { id } = await params
+
+    // Check if category exists
+    const existingCategory = await prisma.category.findUnique({
+      where: { id },
+      include: {
+        _count: {
+          select: {
+            products: true
+          }
+        }
+      }
+    })
+
+    if (!existingCategory) {
+      return NextResponse.json(
+        { error: 'Category not found' },
+        { status: 404 }
+      )
+    }
+
+    // Check if category has products
+    if (existingCategory._count.products > 0) {
+      return NextResponse.json(
+        { 
+          error: 'Cannot delete category with associated products',
+          productCount: existingCategory._count.products
+        },
+        { status: 400 }
+      )
+    }
+
+    // Delete the category
+    await prisma.category.delete({
+      where: { id }
+    })
+
+    return NextResponse.json({
+      message: 'Category deleted successfully',
+      deletedCategory: {
+        id: existingCategory.id,
+        name: existingCategory.name
+      }
+    })
+  } catch (error: any) {
+    console.error('Error deleting category:', error)
+    return NextResponse.json(
+      { error: 'Failed to delete category' },
+      { status: 500 }
+    )
+  }
+}
+
+export async function PATCH(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const session = await auth()
+    
+    if (!session?.user || session.user.role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    const { id } = await params
+    const body = await request.json()
+    const { name, description, image, isActive } = body
+
+    // Check if category exists
+    const existingCategory = await prisma.category.findUnique({
+      where: { id }
+    })
+
+    if (!existingCategory) {
+      return NextResponse.json(
+        { error: 'Category not found' },
+        { status: 404 }
+      )
+    }
+
+    // If name is being updated, check for uniqueness
+    if (name && name !== existingCategory.name) {
+      const nameExists = await prisma.category.findUnique({
+        where: { name }
+      })
+
+      if (nameExists) {
+        return NextResponse.json(
+          { error: 'Category name already exists' },
+          { status: 400 }
+        )
+      }
+    }
+
+    // Update the category
+    const updatedCategory = await prisma.category.update({
+      where: { id },
+      data: {
+        ...(name !== undefined && { name }),
+        ...(description !== undefined && { description }),
+        ...(image !== undefined && { image }),
+        ...(isActive !== undefined && { isActive })
+      },
+      include: {
+        _count: {
+          select: {
+            products: true
+          }
+        }
+      }
+    })
+
+    return NextResponse.json(updatedCategory)
+  } catch (error: any) {
+    console.error('Error updating category:', error)
+    
+    // Handle Prisma unique constraint errors
+    if (error.code === 'P2002') {
+      return NextResponse.json(
+        { error: 'Category name already exists' },
+        { status: 400 }
+      )
+    }
+    
+    return NextResponse.json(
+      { error: 'Failed to update category' },
+      { status: 500 }
+    )
+  }
+}
+
+export async function GET(
+  request: NextRequest,
+  { params }: { params: Promise<{ id: string }> }
+) {
+  try {
+    const session = await auth()
+    
+    if (!session?.user || session.user.role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    const { id } = await params
+
+    const category = await prisma.category.findUnique({
+      where: { id },
+      include: {
+        _count: {
+          select: {
+            products: true
+          }
+        },
+        products: {
+          select: {
+            id: true,
+            name: true,
+            price: true,
+            isActive: true
+          },
+          take: 10 // Limit to first 10 products for preview
+        }
+      }
+    })
+
+    if (!category) {
+      return NextResponse.json(
+        { error: 'Category not found' },
+        { status: 404 }
+      )
+    }
+
+    return NextResponse.json(category)
+  } catch (error: any) {
+    console.error('Error fetching category:', error)
+    return NextResponse.json(
+      { error: 'Failed to fetch category' },
+      { status: 500 }
+    )
+  }
+}

app/api/admin/categories/route.ts

@@ -0,0 +1,73 @@
+import { NextRequest, NextResponse } from 'next/server'
+import { auth } from '@/auth'
+import { prisma } from '@/lib/prisma'
+
+export async function GET(request: NextRequest) {
+  try {
+    const session = await auth()
+    
+    if (!session?.user || session.user.role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    const { searchParams } = new URL(request.url)
+    const search = searchParams.get('search')
+
+    const categories = await prisma.category.findMany({
+      where: search ? {
+        name: {
+          contains: search,
+          mode: 'insensitive'
+        }
+      } : {},
+      include: {
+        _count: {
+          select: {
+            products: true
+          }
+        }
+      },
+      orderBy: {
+        createdAt: 'desc'
+      }
+    })
+
+    return NextResponse.json(categories)
+  } catch (error) {
+    console.error('Error fetching categories:', error)
+    return NextResponse.json(
+      { error: 'Failed to fetch categories' },
+      { status: 500 }
+    )
+  }
+}
+
+export async function POST(request: NextRequest) {
+  try {
+    const session = await auth()
+    
+    if (!session?.user || session.user.role !== 'ADMIN') {
+      return NextResponse.json({ error: 'Unauthorized' }, { status: 401 })
+    }
+
+    const body = await request.json()
+    const { name, description, image, isActive } = body
+
+    const category = await prisma.category.create({
+      data: {
+        name,
+        description,
+        image,
+        isActive
+      }
+    })
+
+    return NextResponse.json(category)
+  } catch (error) {
+    console.error('Error creating category:', error)
+    return NextResponse.json(
+      { error: 'Failed to create category' },
+      { status: 500 }
+    )
+  }
+}