Refactor for i18n, CMS integration, and project slugs; enhance admin & analytics

Co-authored-by: dennis <dennis@konkol.net>

prisma/schema.prisma

@@ -9,6 +9,8 @@ datasource db {
 
 model Project {
   id                 Int        @id @default(autoincrement())
+  slug               String     @unique @db.VarChar(255)
+  defaultLocale      String     @default("en") @db.VarChar(10)
   title              String     @db.VarChar(255)
   description        String
   content            String
@@ -39,6 +41,8 @@ model Project {
   createdAt          DateTime   @default(now()) @map("created_at")
   updatedAt          DateTime   @updatedAt @map("updated_at")
 
+  translations       ProjectTranslation[]
+
   @@index([category])
   @@index([featured])
   @@index([published])
@@ -47,6 +51,75 @@ model Project {
   @@index([tags])
 }
 
+model ProjectTranslation {
+  id              Int      @id @default(autoincrement())
+  projectId        Int      @map("project_id")
+  locale          String   @db.VarChar(10)
+  title           String   @db.VarChar(255)
+  description     String
+  content         Json?
+  metaDescription String?
+  keywords        String?
+  ogImage         String?  @db.VarChar(500)
+  schema          Json?
+  createdAt       DateTime @default(now()) @map("created_at")
+  updatedAt       DateTime @updatedAt @map("updated_at")
+
+  project         Project  @relation(fields: [projectId], references: [id], onDelete: Cascade)
+
+  @@unique([projectId, locale])
+  @@index([locale])
+  @@index([projectId])
+  @@map("project_translations")
+}
+
+model ContentPage {
+  id         Int      @id @default(autoincrement())
+  key        String   @unique @db.VarChar(100)
+  status     ContentStatus @default(PUBLISHED)
+  createdAt  DateTime @default(now()) @map("created_at")
+  updatedAt  DateTime @updatedAt @map("updated_at")
+
+  translations ContentPageTranslation[]
+
+  @@map("content_pages")
+}
+
+model ContentPageTranslation {
+  id              Int      @id @default(autoincrement())
+  pageId          Int      @map("page_id")
+  locale          String   @db.VarChar(10)
+  title           String?
+  slug            String?  @db.VarChar(255)
+  content         Json
+  metaDescription String?
+  keywords        String?
+  updatedAt       DateTime @updatedAt @map("updated_at")
+  createdAt       DateTime @default(now()) @map("created_at")
+
+  page            ContentPage @relation(fields: [pageId], references: [id], onDelete: Cascade)
+
+  @@unique([pageId, locale])
+  @@index([locale])
+  @@index([slug])
+  @@map("content_page_translations")
+}
+
+model SiteSettings {
+  id            Int      @id @default(1)
+  defaultLocale String   @default("en") @db.VarChar(10)
+  locales       String[] @default(["en","de"])
+  theme         Json?
+  updatedAt     DateTime @updatedAt @map("updated_at")
+
+  @@map("site_settings")
+}
+
+enum ContentStatus {
+  DRAFT
+  PUBLISHED
+}
+
 model PageView {
   id        Int      @id @default(autoincrement())
   projectId Int?     @map("project_id")

prisma/seed.ts

@@ -1,4 +1,5 @@
 import { PrismaClient } from "@prisma/client";
+import { slugify } from "../lib/slug";
 
 const prisma = new PrismaClient();
 
@@ -947,10 +948,21 @@ Visit any non-existent page on the site to see the terminal in action. Or click
     },
   ];
 
+  const usedSlugs = new Set<string>();
   for (const project of projects) {
+    const baseSlug = slugify(project.title);
+    let slug = baseSlug;
+    let counter = 2;
+    while (usedSlugs.has(slug) || !slug) {
+      slug = `${baseSlug || "project"}-${counter++}`;
+    }
+    usedSlugs.add(slug);
+
     await prisma.project.create({
       data: {
         ...project,
+        slug,
+        defaultLocale: "en",
         difficulty: project.difficulty as
           | "BEGINNER"
           | "INTERMEDIATE"