Add created_at to proejcts and pagination

functions/graphql/resolvers.js

@@ -32,11 +32,24 @@ function getPaymetRequest(lightning_address, amount_in_sat) {
 module.exports = {
   Query: {
     allCategories: async (_source, args, context) => {
-      return context.prisma.category.findMany();
+      return context.prisma.category.findMany({
+        orderBy: { title: 'desc'},
+        include: {
+          project: {
+            take: 5,
+            orderBy: { votes_count: "desc" }
+          }
+        }
+      });
     },
     allProjects: async (_source, args, context) => {
+      const first = args.first || 50;
+      const skip = args.skip || 0;
       return context.prisma.project.findMany({
-        include: { category: true }
+        orderBy: { created_at: 'desc' },
+        include: { category: true },
+        skip,
+        first,
       });
     },
     getProject: async (_source, args, context) => {

functions/graphql/typeDefs.js

@@ -15,6 +15,7 @@ module.exports = gql`
   type Category {
     id: Int!
     title: String!
+    project: [Project]
   }
 
   type Vote {
@@ -27,7 +28,7 @@ module.exports = gql`
   }
 
   type Query {
-    allProjects: [Project]!
+    allProjects(skip: Int!, first: Int!): [Project]!
     getProject(id: Int!): Project
     allCategories: [Category]!
   }

prisma/migrations/20211128213034_add_created_at_to_project/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Project" ADD COLUMN     "created_at" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP;

prisma/schema.prisma

@@ -10,7 +10,7 @@ generator client {
 model Category {
   id      Int       @id @default(autoincrement())
   title   String
-  Project Project[]
+  project Project[]
 }
 
 model Project {
@@ -24,7 +24,8 @@ model Project {
   category          Category @relation(fields: [category_id], references: [id])
   category_id       Int
   votes_count       Int      @default(0)
-  Vote              Vote[]
+  vote              Vote[]
+  created_at        DateTime @default(now())
 }
 
 model Vote {