first commit

lib/actions/categoryActions.ts

@@ -0,0 +1,128 @@
+'use server';
+
+import { db } from '@/lib/db';
+import { revalidatePath } from 'next/cache';
+
+const INITIAL_CATEGORIES = [
+  'Next.js',
+  'React',
+  'Python & AI',
+  'Tailwind CSS',
+  'Docker & DevOps',
+];
+
+export async function getCategories() {
+  try {
+    if (!db || !(db as any).category) {
+      console.error('db.category is not initialized yet');
+      return INITIAL_CATEGORIES.map((name) => ({ id: name, name, slug: name.toLowerCase() }));
+    }
+
+    let categories = await db.category.findMany({
+      orderBy: { name: 'asc' },
+    });
+
+    if (categories.length === 0) {
+      // Seed default categories if database has none
+      for (const name of INITIAL_CATEGORIES) {
+        const slug = name
+          .toLowerCase()
+          .replace(/[^\w\s-]/g, '')
+          .replace(/[\s_-]+/g, '-');
+        await db.category.upsert({
+          where: { slug },
+          update: { name },
+          create: { name, slug },
+        }).catch(err => console.error('Failed seeding category:', name, err));
+      }
+
+      categories = await db.category.findMany({
+        orderBy: { name: 'asc' },
+      });
+    }
+
+    return categories;
+  } catch (error) {
+    console.error('Error fetching categories:', error);
+    return INITIAL_CATEGORIES.map((name) => ({ id: name, name, slug: name.toLowerCase() }));
+  }
+}
+
+export async function createCategory(name: string) {
+  try {
+    const trimmed = name.trim();
+    if (!trimmed) return { success: false, error: 'Category name cannot be empty' };
+
+    const slug = trimmed
+      .toLowerCase()
+      .replace(/[^\w\s-]/g, '')
+      .replace(/[\s_-]+/g, '-') + '-' + Date.now().toString().slice(-4);
+
+    const newCategory = await db.category.create({
+      data: {
+        name: trimmed,
+        slug,
+      },
+    });
+
+    revalidatePath('/[locale]');
+    revalidatePath('/[locale]/lessons');
+    revalidatePath('/[locale]/admin');
+    return { success: true, category: newCategory };
+  } catch (error: any) {
+    console.error('Error creating category:', error);
+    return { success: false, error: error.message || 'Failed to create category' };
+  }
+}
+
+export async function updateCategory(id: string, name: string) {
+  try {
+    const trimmed = name.trim();
+    if (!trimmed) return { success: false, error: 'Category name cannot be empty' };
+
+    const slug = trimmed
+      .toLowerCase()
+      .replace(/[^\w\s-]/g, '')
+      .replace(/[\s_-]+/g, '-') + '-' + Date.now().toString().slice(-4);
+
+    const updatedCategory = await db.category.updateMany({
+      where: {
+        OR: [{ id }, { name: id }, { slug: id }],
+      },
+      data: {
+        name: trimmed,
+        slug,
+      },
+    });
+
+    revalidatePath('/[locale]');
+    revalidatePath('/[locale]/lessons');
+    revalidatePath('/[locale]/admin');
+    return { success: true, count: updatedCategory.count };
+  } catch (error: any) {
+    console.error('Error updating category:', error);
+    return { success: false, error: error.message || 'Failed to update category' };
+  }
+}
+
+export async function deleteCategory(id: string) {
+  try {
+    if (!db || !(db as any).category) {
+      return { success: false, error: 'Category database table is not ready' };
+    }
+
+    await db.category.deleteMany({
+      where: {
+        OR: [{ id }, { name: id }, { slug: id }],
+      },
+    });
+
+    revalidatePath('/[locale]');
+    revalidatePath('/[locale]/dersler');
+    revalidatePath('/[locale]/admin');
+    return { success: true };
+  } catch (error: any) {
+    console.error('Error deleting category:', error);
+    return { success: false, error: error.message || 'Failed to delete category' };
+  }
+}

lib/actions/cheatsheetActions.ts

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+'use server';
+
+import { db } from '@/lib/db';
+import { revalidatePath } from 'next/cache';
+
+export async function getCheatsheets() {
+  try {
+    const cheatsheets = await db.cheatsheet.findMany({
+      include: {
+        items: true,
+      },
+      orderBy: {
+        createdAt: 'desc',
+      },
+    });
+
+    return cheatsheets;
+  } catch (error) {
+    console.error('Error fetching cheatsheets:', error);
+    return [];
+  }
+}
+
+export async function createCheatsheet(data: {
+  title: string;
+  category: string;
+  description: string;
+  items: { command: string; description: string }[];
+}) {
+  try {
+    const slug = data.title
+      .toLowerCase()
+      .trim()
+      .replace(/[^\w\s-]/g, '')
+      .replace(/[\s_-]+/g, '-') + '-' + Date.now().toString().slice(-4);
+
+    const newCheatsheet = await db.cheatsheet.create({
+      data: {
+        title: data.title,
+        slug,
+        category: data.category,
+        description: data.description,
+        tags: [data.category, 'Cheatsheet', 'Commands'],
+        items: {
+          create: data.items.map((item) => ({
+            command: item.command,
+            description: item.description,
+          })),
+        },
+      },
+    });
+
+    revalidatePath('/[locale]');
+    revalidatePath('/[locale]/cheatsheets');
+    revalidatePath('/[locale]/admin');
+    return { success: true, cheatsheet: newCheatsheet };
+  } catch (error: any) {
+    console.error('Error creating cheatsheet:', error);
+    return { success: false, error: error.message || 'Failed to create cheatsheet' };
+  }
+}
+
+export async function updateCheatsheet(id: string, data: {
+  title: string;
+  category: string;
+  description: string;
+  items: { command: string; description: string }[];
+}) {
+  try {
+    // Delete existing items and recreate
+    await db.cheatsheetItem.deleteMany({ where: { cheatsheetId: id } });
+
+    const updated = await db.cheatsheet.update({
+      where: { id },
+      data: {
+        title: data.title,
+        category: data.category,
+        description: data.description,
+        lastUpdated: new Date(),
+        items: {
+          create: data.items.map((item) => ({
+            command: item.command,
+            description: item.description,
+          })),
+        },
+      },
+    });
+
+    revalidatePath('/[locale]');
+    revalidatePath('/[locale]/cheatsheets');
+    revalidatePath('/[locale]/admin');
+    return { success: true, cheatsheet: updated };
+  } catch (error: any) {
+    console.error('Error updating cheatsheet:', error);
+    return { success: false, error: error.message || 'Failed to update cheatsheet' };
+  }
+}
+
+export async function deleteCheatsheet(id: string) {
+  try {
+    await db.cheatsheet.delete({
+      where: { id },
+    });
+
+    revalidatePath('/[locale]');
+    revalidatePath('/[locale]/rehberler');
+    revalidatePath('/[locale]/admin');
+    return { success: true };
+  } catch (error: any) {
+    console.error('Error deleting cheatsheet:', error);
+    return { success: false, error: error.message || 'Failed to delete cheatsheet' };
+  }
+}

lib/actions/contactActions.ts

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+'use server';
+
+import { db } from '@/lib/db';
+import { revalidatePath } from 'next/cache';
+
+export async function submitContactMessage(data: {
+  name: string;
+  email: string;
+  subject: string;
+  message: string;
+}) {
+  try {
+    const newMessage = await db.contactMessage.create({
+      data: {
+        name: data.name,
+        email: data.email,
+        subject: data.subject,
+        message: data.message,
+      },
+    });
+
+    revalidatePath('/[locale]/admin');
+    return { success: true, message: newMessage };
+  } catch (error: any) {
+    console.error('Error saving contact message:', error);
+    return { success: false, error: error.message || 'Failed to submit contact message' };
+  }
+}
+
+export async function getContactMessages() {
+  try {
+    const messages = await db.contactMessage.findMany({
+      orderBy: { createdAt: 'desc' },
+    });
+    return messages;
+  } catch (error) {
+    console.error('Error fetching contact messages:', error);
+    return [];
+  }
+}

lib/actions/lessonActions.ts

@@ -0,0 +1,288 @@
+'use server';
+
+import { db } from '@/lib/db';
+import { revalidatePath } from 'next/cache';
+
+function extractYoutubeId(url: string): string {
+  if (!url) return 'dQw4w9WgXcQ';
+  const trimmed = url.trim();
+  if (trimmed.includes('v=')) {
+    return trimmed.split('v=')[1].split('&')[0];
+  }
+  if (trimmed.includes('youtu.be/')) {
+    return trimmed.split('youtu.be/')[1].split('?')[0];
+  }
+  if (trimmed.includes('embed/')) {
+    return trimmed.split('embed/')[1].split('?')[0];
+  }
+  if (trimmed.length === 11) {
+    return trimmed;
+  }
+  return 'dQw4w9WgXcQ';
+}
+
+export async function getLessons(options?: { query?: string; category?: string }) {
+  try {
+    const { query, category } = options || {};
+
+    const where: any = {};
+
+    if (category) {
+      where.category = category;
+    }
+
+    if (query && query.trim() !== '') {
+      const q = query.trim();
+      where.OR = [
+        { title: { contains: q, mode: 'insensitive' } },
+        { summary: { contains: q, mode: 'insensitive' } },
+        { tags: { hasSome: [q] } },
+      ];
+    }
+
+    const lessons = await db.lesson.findMany({
+      where,
+      include: {
+        codeSnippets: true,
+        downloads: true,
+        chapters: true,
+      },
+      orderBy: {
+        createdAt: 'desc',
+      },
+    });
+
+    return lessons;
+  } catch (error) {
+    console.error('Error fetching lessons:', error);
+    return [];
+  }
+}
+
+export async function getLessonBySlug(slug: string) {
+  try {
+    const lesson = await db.lesson.findUnique({
+      where: { slug },
+      include: {
+        codeSnippets: true,
+        downloads: true,
+        chapters: {
+          orderBy: { seconds: 'asc' },
+        },
+      },
+    });
+
+    if (lesson) {
+      await db.lesson.update({
+        where: { id: lesson.id },
+        data: { viewsCount: { increment: 1 } },
+      }).catch(err => console.error('Failed to increment view count:', err));
+    }
+
+    return lesson;
+  } catch (error) {
+    console.error('Error fetching lesson by slug:', error);
+    return null;
+  }
+}
+
+export async function getDashboardStats() {
+  try {
+    const [totalLessons, aggregate, totalMessages] = await Promise.all([
+      db.lesson.count(),
+      db.lesson.aggregate({
+        _sum: {
+          viewsCount: true,
+          downloadCount: true,
+        },
+      }),
+      db.contactMessage.count(),
+    ]);
+
+    return {
+      totalLessons,
+      totalViews: aggregate._sum.viewsCount || 0,
+      totalDownloads: aggregate._sum.downloadCount || 0,
+      totalMessages,
+    };
+  } catch (error) {
+    console.error('Error fetching dashboard stats:', error);
+    return {
+      totalLessons: 0,
+      totalViews: 0,
+      totalDownloads: 0,
+      totalMessages: 0,
+    };
+  }
+}
+
+export async function createLesson(data: {
+  title: string;
+  youtubeUrl: string;
+  category: string;
+  summary: string;
+  duration?: string;
+  notesMarkdown?: string[];
+  codeSnippets?: { fileName: string; language: string; code: string }[];
+  downloads?: { title: string; type: string; url: string; size?: string }[];
+  chapters?: { time: string; seconds: number; title: string }[];
+}) {
+  try {
+    const slug = data.title
+      .toLowerCase()
+      .trim()
+      .replace(/[^\w\s-]/g, '')
+      .replace(/[\s_-]+/g, '-')
+      .replace(/^-+|-+$/g, '') + '-' + Date.now().toString().slice(-4);
+
+    const youtubeId = extractYoutubeId(data.youtubeUrl);
+    const thumbnailUrl = `https://img.youtube.com/vi/${youtubeId}/hqdefault.jpg`;
+
+    const codeSnippets = data.codeSnippets || [];
+    const downloads = data.downloads || [];
+    const chapters = data.chapters || [];
+    const notesMarkdown = data.notesMarkdown || [];
+
+    const newLesson = await db.lesson.create({
+      data: {
+        title: data.title,
+        slug,
+        youtubeId,
+        youtubeUrl: data.youtubeUrl || `https://www.youtube.com/watch?v=${youtubeId}`,
+        thumbnailUrl,
+        duration: data.duration || '15:00',
+        category: data.category,
+        tags: [data.category, 'Tutorial', 'Source Code'],
+        summary: data.summary || data.title,
+        notesMarkdown,
+        codeSnippets: {
+          create: codeSnippets.map((snip) => ({
+            fileName: snip.fileName || 'app/page.tsx',
+            language: snip.language || 'typescript',
+            code: snip.code,
+          })),
+        },
+        downloads: {
+          create: downloads.map((dl) => ({
+            title: dl.title,
+            type: dl.type || 'zip',
+            url: dl.url || '#',
+            size: dl.size || '1.0 MB',
+          })),
+        },
+        chapters: {
+          create: chapters.map((chap) => ({
+            time: chap.time,
+            seconds: chap.seconds || 0,
+            title: chap.title,
+          })),
+        },
+      },
+    });
+
+    revalidatePath('/[locale]');
+    revalidatePath('/[locale]/lessons');
+    return { success: true, lesson: newLesson };
+  } catch (error: any) {
+    console.error('Error creating lesson:', error);
+    return { success: false, error: error.message || 'Failed to create lesson in database' };
+  }
+}
+
+export async function updateLesson(id: string, data: {
+  title: string;
+  youtubeUrl: string;
+  category: string;
+  summary: string;
+  duration?: string;
+  notesMarkdown?: string[];
+  codeSnippets?: { fileName: string; language: string; code: string }[];
+  downloads?: { title: string; type: string; url: string; size?: string }[];
+  chapters?: { time: string; seconds: number; title: string }[];
+}) {
+  try {
+    const youtubeId = extractYoutubeId(data.youtubeUrl);
+    const thumbnailUrl = `https://img.youtube.com/vi/${youtubeId}/hqdefault.jpg`;
+
+    const codeSnippets = data.codeSnippets || [];
+    const downloads = data.downloads || [];
+    const chapters = data.chapters || [];
+    const notesMarkdown = data.notesMarkdown || [];
+
+    // Delete existing sub-models and recreate
+    await Promise.all([
+      db.codeSnippet.deleteMany({ where: { lessonId: id } }),
+      db.resourceDownload.deleteMany({ where: { lessonId: id } }),
+      db.videoChapter.deleteMany({ where: { lessonId: id } }),
+    ]);
+
+    const updatedLesson = await db.lesson.update({
+      where: { id },
+      data: {
+        title: data.title,
+        youtubeId,
+        youtubeUrl: data.youtubeUrl,
+        thumbnailUrl,
+        duration: data.duration || '15:00',
+        category: data.category,
+        summary: data.summary,
+        notesMarkdown,
+        codeSnippets: {
+          create: codeSnippets.map((snip) => ({
+            fileName: snip.fileName || 'app/page.tsx',
+            language: snip.language || 'typescript',
+            code: snip.code,
+          })),
+        },
+        downloads: {
+          create: downloads.map((dl) => ({
+            title: dl.title,
+            type: dl.type || 'zip',
+            url: dl.url || '#',
+            size: dl.size || '1.0 MB',
+          })),
+        },
+        chapters: {
+          create: chapters.map((chap) => ({
+            time: chap.time,
+            seconds: chap.seconds || 0,
+            title: chap.title,
+          })),
+        },
+      },
+    });
+
+    revalidatePath('/[locale]');
+    revalidatePath('/[locale]/lessons');
+    return { success: true, lesson: updatedLesson };
+  } catch (error: any) {
+    console.error('Error updating lesson:', error);
+    return { success: false, error: error.message || 'Failed to update lesson' };
+  }
+}
+
+export async function deleteLesson(id: string) {
+  try {
+    await db.lesson.delete({ where: { id } });
+    revalidatePath('/[locale]');
+    revalidatePath('/[locale]/lessons');
+    return { success: true };
+  } catch (error) {
+    console.error('Error deleting lesson:', error);
+    return { success: false };
+  }
+}
+
+export async function incrementDownloadCount(lessonId: string) {
+  try {
+    await db.lesson.update({
+      where: { id: lessonId },
+      data: { downloadCount: { increment: 1 } },
+    });
+    revalidatePath('/[locale]/dersler');
+    return { success: true };
+  } catch (error) {
+    console.error('Error incrementing download count:', error);
+    return { success: false };
+  }
+}

lib/actions/settingsActions.ts

@@ -0,0 +1,47 @@
+'use server';
+
+import { db } from '@/lib/db';
+import { revalidatePath } from 'next/cache';
+
+const DEFAULT_SETTINGS: Record<string, string> = {
+  channelName: 'DevHub YouTube',
+  youtubeUrl: 'https://youtube.com/@DevHubChannel',
+  githubUrl: 'https://github.com/ayrisdev',
+  contactEmail: 'contact@youtube-devhub.com',
+  defaultCategory: 'Next.js',
+};
+
+export async function getSettings() {
+  try {
+    const dbSettings = await db.setting.findMany();
+    const result = { ...DEFAULT_SETTINGS };
+
+    dbSettings.forEach((item) => {
+      result[item.key] = item.value;
+    });
+
+    return result;
+  } catch (error) {
+    console.error('Error fetching settings:', error);
+    return DEFAULT_SETTINGS;
+  }
+}
+
+export async function updateSettings(data: Record<string, string>) {
+  try {
+    const promises = Object.entries(data).map(([key, value]) =>
+      db.setting.upsert({
+        where: { key },
+        update: { value },
+        create: { key, value },
+      })
+    );
+
+    await Promise.all(promises);
+    revalidatePath('/[locale]/admin');
+    return { success: true };
+  } catch (error: any) {
+    console.error('Error updating settings:', error);
+    return { success: false, error: error.message || 'Failed to update settings' };
+  }
+}

lib/actions/userActions.ts

@@ -0,0 +1,56 @@
+'use server';
+
+import { db } from '@/lib/db';
+import { revalidatePath } from 'next/cache';
+
+export async function getUsers() {
+  try {
+    const users = await db.user.findMany({
+      orderBy: { createdAt: 'desc' },
+      select: {
+        id: true,
+        name: true,
+        email: true,
+        role: true,
+        createdAt: true,
+      },
+    });
+
+    // If database has no users yet, return default admin
+    if (users.length === 0) {
+      return [
+        {
+          id: '1',
+          name: 'Admin User',
+          email: 'admin@ayris.tech',
+          role: 'ADMIN',
+          createdAt: new Date(),
+        },
+      ];
+    }
+
+    return users;
+  } catch (error) {
+    console.error('Error fetching users:', error);
+    return [];
+  }
+}
+
+export async function createAdminUser(data: { name: string; email: string; password?: string }) {
+  try {
+    const newUser = await db.user.create({
+      data: {
+        name: data.name,
+        email: data.email,
+        password: data.password || 'admin123',
+        role: 'ADMIN',
+      },
+    });
+
+    revalidatePath('/[locale]/admin');
+    return { success: true, user: newUser };
+  } catch (error: any) {
+    console.error('Error creating admin user:', error);
+    return { success: false, error: error.message || 'Failed to create admin user' };
+  }
+}

lib/auth.ts

@@ -0,0 +1,47 @@
+import NextAuth from "next-auth"
+import CredentialsProvider from "next-auth/providers/credentials"
+
+export const { handlers, auth, signIn, signOut } = NextAuth({
+  providers: [
+    CredentialsProvider({
+      name: "Credentials",
+      credentials: {
+        email: { label: "Email", type: "email" },
+        password: { label: "Password", type: "password" }
+      },
+      async authorize(credentials) {
+        // Boilerplate mock logic
+        // TODO: In production, lookup user in Prisma and verify password using bcrypt
+        // const user = await db.user.findUnique({ where: { email: credentials.email } })
+        
+        if (credentials?.email === "admin@ayris.tech" && credentials?.password === "admin") {
+          return {
+            id: "1",
+            name: "Admin User",
+            email: "admin@ayris.tech",
+            role: "ADMIN"
+          }
+        }
+        
+        return null
+      }
+    })
+  ],
+  callbacks: {
+    async jwt({ token, user }) {
+      if (user) {
+        token.role = (user as any).role
+      }
+      return token
+    },
+    async session({ session, token }) {
+      if (session.user && token.role) {
+        (session.user as any).role = token.role
+      }
+      return session
+    }
+  },
+  pages: {
+    signIn: '/login'
+  }
+})

lib/cloudinary.ts

@@ -0,0 +1,20 @@
+import { v2 as cloudinary } from 'cloudinary'
+
+cloudinary.config({
+  cloud_name: process.env.CLOUDINARY_CLOUD_NAME!,
+  api_key: process.env.CLOUDINARY_API_KEY!,
+  api_secret: process.env.CLOUDINARY_API_SECRET!,
+})
+
+export async function uploadImage(file: string, folder: string) {
+  const result = await cloudinary.uploader.upload(file, {
+    folder, transformation: [{ quality: 'auto', fetch_format: 'auto' }],
+  })
+  return { url: result.secure_url, publicId: result.public_id }
+}
+
+export async function deleteImage(publicId: string) {
+  await cloudinary.uploader.destroy(publicId)
+}
+
+export { cloudinary }

lib/data.ts

@@ -0,0 +1,448 @@
+export interface CodeSnippet {
+  fileName: string;
+  language: string;
+  code: string;
+  description?: string;
+}
+
+export interface ResourceDownload {
+  title: string;
+  type: 'zip' | 'github' | 'pdf' | 'link';
+  url: string;
+  size?: string;
+}
+
+export interface VideoChapter {
+  time: string;
+  seconds: number;
+  title: string;
+}
+
+export interface VideoLesson {
+  id: string;
+  slug: string;
+  title: string;
+  youtubeId: string;
+  youtubeUrl: string;
+  thumbnailUrl: string;
+  duration: string;
+  publishDate: string;
+  category: string;
+  tags: string[];
+  viewsCount: number;
+  downloadCount: number;
+  likesCount: number;
+  summary: string;
+  notesMarkdown: string[];
+  codeSnippets: CodeSnippet[];
+  downloads: ResourceDownload[];
+  chapters: VideoChapter[];
+  isFeatured?: boolean;
+}
+
+export interface Cheatsheet {
+  id: string;
+  slug: string;
+  title: string;
+  category: string;
+  description: string;
+  tags: string[];
+  lastUpdated: string;
+  items: {
+    command: string;
+    description: string;
+    example?: string;
+  }[];
+}
+
+export const CATEGORIES = [
+  "Next.js",
+  "React",
+  "Python & AI",
+  "Tailwind CSS",
+  "Docker & DevOps",
+  "JavaScript"
+];
+
+export const MOCK_VIDEOS: VideoLesson[] = [
+  {
+    id: "vid-1",
+    slug: "nextjs-16-app-router-full-course",
+    title: "Next.js 16 App Router & Server Actions Complete Masterclass (Code & Project)",
+    youtubeId: "dQw4w9WgXcQ",
+    youtubeUrl: "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
+    thumbnailUrl: "https://images.unsplash.com/photo-1618401471353-b98afee0b2eb?w=800&auto=format&fit=crop&q=80",
+    duration: "42:15",
+    publishDate: "2026-07-15",
+    category: "Next.js",
+    tags: ["Next.js 16", "App Router", "Server Actions", "TypeScript", "Tailwind CSS v4"],
+    viewsCount: 24500,
+    downloadCount: 4120,
+    likesCount: 1890,
+    isFeatured: true,
+    summary: "In this tutorial, we build a full-stack Next.js 16 application from scratch covering App Router architecture, proxy.ts middleware, Server Actions, and PostgreSQL integration.",
+    notesMarkdown: [
+      "📌 In Next.js 16, using `proxy.ts` is recommended over deprecated `middleware.ts`.",
+      "📌 Server Actions functions are declared with `'use server'` directive and can be invoked directly from client components.",
+      "📌 Data fetching revalidation uses `revalidatePath` or `revalidateTag` helpers.",
+      "📌 Form handling UX is significantly improved using `useActionState` and `useFormStatus` hooks."
+    ],
+    codeSnippets: [
+      {
+        fileName: "app/actions.ts",
+        language: "typescript",
+        description: "Server Action function handling form submission",
+        code: `'use server'
+
+import { revalidatePath } from 'next/cache';
+
+export async function submitProjectIdea(formData: FormData) {
+  const title = formData.get('title') as string;
+  const description = formData.get('description') as string;
+
+  if (!title || title.length < 3) {
+    return { success: false, error: 'Title must be at least 3 characters long.' };
+  }
+
+  // Database insertion simulation
+  console.log('Saved Idea:', { title, description });
+
+  revalidatePath('/ideas');
+  return { success: true, message: 'Your idea was submitted successfully!' };
+}`
+      },
+      {
+        fileName: "proxy.ts",
+        language: "typescript",
+        description: "Next.js 16 proxy configuration (middleware alternative)",
+        code: `import { NextRequest, NextResponse } from 'next/server';
+import createMiddleware from 'next-intl/middleware';
+import { routing } from '@/i18n/routing';
+
+const intlMiddleware = createMiddleware(routing);
+
+export async function proxy(request: NextRequest) {
+  // Admin route protection example
+  if (request.nextUrl.pathname.includes('/admin')) {
+    // Auth check logic
+  }
+  return intlMiddleware(request);
+}
+
+export const config = {
+  matcher: ['/((?!api|_next|_vercel|.*\\\\..*).*)']
+};`
+      },
+      {
+        fileName: "components/IdeaForm.tsx",
+        language: "tsx",
+        description: "Client Form component using useActionState",
+        code: `'use client';
+
+import { useActionState } from 'react';
+import { submitProjectIdea } from '@/app/actions';
+
+export function IdeaForm() {
+  const [state, formAction, isPending] = useActionState(submitProjectIdea, null);
+
+  return (
+    <form action={formAction} className="space-y-4 max-w-md p-6 bg-slate-900 rounded-xl border border-slate-800">
+      <h3 className="text-xl font-bold text-white">Add New Idea</h3>
+      
+      <div>
+        <label className="block text-sm text-slate-400 mb-1">Idea Title</label>
+        <input name="title" required className="w-full px-3 py-2 bg-slate-800 border border-slate-700 rounded-lg text-white" />
+      </div>
+
+      <button disabled={isPending} className="w-full py-2.5 bg-red-600 hover:bg-red-500 text-white rounded-lg font-medium">
+        {isPending ? 'Submitting...' : 'Share Idea'}
+      </button>
+
+      {state?.error && <p className="text-red-400 text-sm">{state.error}</p>}
+      {state?.success && <p className="text-emerald-400 text-sm">{state.message}</p>}
+    </form>
+  );
+}`
+      }
+    ],
+    downloads: [
+      {
+        title: "Full Project Source Code (Starter Pack)",
+        type: "zip",
+        url: "https://github.com/ayrisdev/nextjs-16-starter/archive/refs/heads/main.zip",
+        size: "4.2 MB"
+      },
+      {
+        title: "GitHub Repository",
+        type: "github",
+        url: "https://github.com/ayrisdev/nextjs-16-starter"
+      },
+      {
+        title: "Lesson Notes & Architecture (PDF Document)",
+        type: "pdf",
+        url: "#",
+        size: "1.8 MB"
+      }
+    ],
+    chapters: [
+      { time: "00:00", seconds: 0, title: "Introduction & Demo" },
+      { time: "04:15", seconds: 255, title: "Next.js 16 Project Setup & Structure" },
+      { time: "11:30", seconds: 690, title: "Routing & Middleware with proxy.ts" },
+      { time: "21:00", seconds: 1260, title: "Form Handling via Server Actions" },
+      { time: "32:45", seconds: 1965, title: "PostgreSQL & Prisma Integration" },
+      { time: "40:00", seconds: 2400, title: "Deployment & Summary" }
+    ]
+  },
+  {
+    id: "vid-2",
+    slug: "python-ai-agent-automation",
+    title: "Building Autonomous AI Agents with Python (CrewAI & Gemini API)",
+    youtubeId: "dQw4w9WgXcQ",
+    youtubeUrl: "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
+    thumbnailUrl: "https://images.unsplash.com/photo-1526374965328-7f61d4dc18c5?w=800&auto=format&fit=crop&q=80",
+    duration: "28:50",
+    publishDate: "2026-07-10",
+    category: "Python & AI",
+    tags: ["Python", "CrewAI", "Gemini API", "AI Agents", "Automation"],
+    viewsCount: 18200,
+    downloadCount: 3200,
+    likesCount: 1450,
+    summary: "Build an autonomous AI agent in Python that crawls web data, summarizes tech news, and generates structured reports automatically.",
+    notesMarkdown: [
+      "🤖 AI agents are configured with role, goal, and backstory.",
+      "🤖 Equip agents with real-time web search using Serper API or Tavily.",
+      "🤖 Gemini 1.5 Flash provides high token throughput with minimal latency."
+    ],
+    codeSnippets: [
+      {
+        fileName: "agent.py",
+        language: "python",
+        description: "CrewAI Agent Definition",
+        code: `from crewai import Agent, Task, Crew, Process
+from langchain_google_genai import ChatGoogleGenerativeAI
+import os
+
+# Initialize Gemini LLM
+llm = ChatGoogleGenerativeAI(
+    model="gemini-1.5-flash",
+    google_api_key=os.getenv("GEMINI_API_KEY")
+)
+
+# Researcher Agent
+researcher = Agent(
+    role='Tech Researcher',
+    goal='Discover top AI trends from the past 24 hours',
+    backstory='You are an expert technology journalist following AI developments.',
+    verbose=True,
+    llm=llm
+)
+
+# Task Definition
+task1 = Task(
+    description='Summarize 2026 AI trends in 5 bullet points.',
+    expected_output='A markdown list with 5 key takeaways.',
+    agent=researcher
+)
+
+crew = Crew(
+    agents=[researcher],
+    tasks=[task1],
+    process=Process.sequential
+)
+
+result = crew.kickoff()
+print(result)`
+      }
+    ],
+    downloads: [
+      {
+        title: "Python AI Agent Project Files",
+        type: "zip",
+        url: "#",
+        size: "2.1 MB"
+      },
+      {
+        title: "GitHub Repository",
+        type: "github",
+        url: "https://github.com/ayrisdev/python-ai-agent"
+      }
+    ],
+    chapters: [
+      { time: "00:00", seconds: 0, title: "Introduction & What is an AI Agent?" },
+      { time: "05:20", seconds: 320, title: "Installing Dependencies (CrewAI & Gemini)" },
+      { time: "14:10", seconds: 850, title: "Agent & Task Coding" },
+      { time: "24:00", seconds: 1440, title: "Testing & Output Review" }
+    ]
+  },
+  {
+    id: "vid-3",
+    slug: "tailwind-css-v4-tricks-and-setup",
+    title: "Modern UI Design with Tailwind CSS v4: Tricks, Themes & Components",
+    youtubeId: "dQw4w9WgXcQ",
+    youtubeUrl: "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
+    thumbnailUrl: "https://images.unsplash.com/photo-1507238691740-187a5b1d37b8?w=800&auto=format&fit=crop&q=80",
+    duration: "35:10",
+    publishDate: "2026-07-02",
+    category: "Tailwind CSS",
+    tags: ["Tailwind CSS v4", "OKLCH", "CSS Grid", "UI Design", "Shadcn"],
+    viewsCount: 31000,
+    downloadCount: 5400,
+    likesCount: 2600,
+    summary: "Learn CSS-first configuration in Tailwind CSS v4 using `@import \"tailwindcss\";`, OKLCH color spaces, and advanced glassmorphism component design.",
+    notesMarkdown: [
+      "🎨 In Tailwind v4, `@theme` directive in `globals.css` replaces `tailwind.config.js`.",
+      "🎨 OKLCH color space ensures consistent perceived contrast across light and dark modes.",
+      "🎨 `@custom-variant dark` provides flexible dark mode scoping."
+    ],
+    codeSnippets: [
+      {
+        fileName: "globals.css",
+        language: "css",
+        description: "Tailwind CSS v4 Theme Configuration",
+        code: `@import "tailwindcss";
+
+@theme inline {
+  --color-primary: oklch(0.65 0.22 260);
+  --color-accent: oklch(0.72 0.19 145);
+  --radius-lg: 1rem;
+}
+
+:root {
+  --background: oklch(0.98 0.01 250);
+  --foreground: oklch(0.15 0.02 250);
+}`
+      }
+    ],
+    downloads: [
+      {
+        title: "Tailwind v4 UI Starter Pack",
+        type: "zip",
+        url: "#",
+        size: "1.2 MB"
+      }
+    ],
+    chapters: [
+      { time: "00:00", seconds: 0, title: "What's New in Tailwind v4" },
+      { time: "08:30", seconds: 510, title: "Defining Color Palettes with @theme" },
+      { time: "20:15", seconds: 1215, title: "Building Glassmorphism Cards" }
+    ]
+  },
+  {
+    id: "vid-4",
+    slug: "docker-container-nextjs-deploy",
+    title: "Deploying Next.js & PostgreSQL Applications using Docker & Coolify",
+    youtubeId: "dQw4w9WgXcQ",
+    youtubeUrl: "https://www.youtube.com/watch?v=dQw4w9WgXcQ",
+    thumbnailUrl: "https://images.unsplash.com/photo-1605745341112-85968b19335b?w=800&auto=format&fit=crop&q=80",
+    duration: "31:45",
+    publishDate: "2026-06-25",
+    category: "Docker & DevOps",
+    tags: ["Docker", "Docker Compose", "Coolify", "Next.js", "DevOps"],
+    viewsCount: 15400,
+    downloadCount: 2900,
+    likesCount: 1120,
+    summary: "Production-ready multi-stage Dockerfile and docker-compose setup to deploy Next.js applications seamlessly to VPS or Coolify.",
+    notesMarkdown: [
+      "🐳 Setting `output: 'standalone'` in Next.js reduces image size from 1GB to 120MB.",
+      "🐳 Define a dummy `DATABASE_URL` during Prisma generate step inside Dockerfile."
+    ],
+    codeSnippets: [
+      {
+        fileName: "Dockerfile",
+        language: "dockerfile",
+        description: "Optimized Multi-stage Dockerfile",
+        code: `FROM node:20-alpine AS base
+
+FROM base AS deps
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci
+
+FROM base AS builder
+WORKDIR /app
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+ENV NEXT_TELEMETRY_DISABLED=1
+ENV DATABASE_URL="postgresql://dummy:dummy@localhost:5432/dummy"
+RUN npx prisma generate
+RUN npm run build
+
+FROM base AS runner
+WORKDIR /app
+ENV NODE_ENV=production
+ENV PORT=3000
+
+COPY --from=builder /app/public ./public
+COPY --from=builder /app/.next/standalone ./
+COPY --from=builder /app/.next/static ./.next/static
+
+EXPOSE 3000
+CMD ["node", "server.js"]`
+      }
+    ],
+    downloads: [
+      {
+        title: "Dockerfile & Docker Compose Template",
+        type: "zip",
+        url: "#",
+        size: "350 KB"
+      }
+    ],
+    chapters: [
+      { time: "00:00", seconds: 0, title: "Introduction" },
+      { time: "06:00", seconds: 360, title: "Writing Multi-stage Dockerfile" },
+      { time: "18:20", seconds: 1100, title: "Coolify & VPS Integration" }
+    ]
+  }
+];
+
+export const MOCK_CHEATSHEETS: Cheatsheet[] = [
+  {
+    id: "cs-1",
+    slug: "git-komutlari-hizli-rehber",
+    title: "Essential Git & GitHub Commands Cheatsheet",
+    category: "DevOps & Tooling",
+    description: "Handy reference for daily Git workflow, branching, and conflict resolution commands.",
+    tags: ["Git", "GitHub", "Terminal"],
+    lastUpdated: "2026-07-20",
+    items: [
+      { command: "git checkout -b feature/new-feature", description: "Creates a new branch and switches to it." },
+      { command: "git status", description: "Lists modified and untracked files." },
+      { command: "git commit -m 'feat: add new page'", description: "Saves changes with a descriptive commit message." },
+      { command: "git push origin feature/new-feature", description: "Pushes the branch to remote repository." },
+      { command: "git log --oneline -n 5", description: "Displays last 5 commits in clean single line format." }
+    ]
+  },
+  {
+    id: "cs-2",
+    slug: "nextjs-app-router-cheatsheet",
+    title: "Next.js App Router File Structure & Route Handlers",
+    category: "Next.js",
+    description: "Special file conventions (page, layout, loading, error) and their responsibilities.",
+    tags: ["Next.js", "App Router", "React"],
+    lastUpdated: "2026-07-18",
+    items: [
+      { command: "app/[locale]/page.tsx", description: "Main page component for the route." },
+      { command: "app/layout.tsx", description: "Root layout component wrapping all pages." },
+      { command: "app/loading.tsx", description: "Suspense fallback displayed while page loads." },
+      { command: "app/error.tsx", description: "Client-side Error Boundary component." },
+      { command: "app/api/route.ts", description: "REST API Endpoint handlers (GET, POST, PUT, DELETE)." }
+    ]
+  },
+  {
+    id: "cs-3",
+    slug: "docker-temel-komutlar",
+    title: "Quick Docker & Container Command Reference",
+    category: "Docker & DevOps",
+    description: "Commands for building, running, inspecting logs, and cleaning container resources.",
+    tags: ["Docker", "Containers", "DevOps"],
+    lastUpdated: "2026-07-12",
+    items: [
+      { command: "docker build -t app-name .", description: "Builds a Docker image from Dockerfile in current directory." },
+      { command: "docker run -d -p 3000:3000 --name my-app app-name", description: "Runs container in detached mode with port forwarding." },
+      { command: "docker compose up -d --build", description: "Rebuilds and launches Docker Compose services." },
+      { command: "docker logs -f my-app", description: "Follows live container output logs." },
+      { command: "docker system prune -af", description: "Removes all unused containers, networks, and images." }
+    ]
+  }
+];

lib/db.ts

@@ -0,0 +1,30 @@
+import { Pool } from 'pg';
+import { PrismaPg } from '@prisma/adapter-pg';
+import { PrismaClient } from '@prisma/client';
+
+const connectionString =
+  process.env.DATABASE_URL ||
+  'postgres://postgres:mBTWE2cDKGExtpktguD3HPe8y9Xr9kWFYdxV4WHQKISLLGoBAS4UdtfSCfXwvPpq@65.109.236.58:37298/postgres';
+
+const pool = new Pool({ connectionString });
+const adapter = new PrismaPg(pool);
+
+const globalForPrisma = globalThis as unknown as {
+  prisma: PrismaClient | undefined;
+};
+
+function getPrismaClient(): PrismaClient {
+  if (process.env.NODE_ENV !== 'production' && globalForPrisma.prisma) {
+    // Check if newly added models (e.g. category) exist on cached client
+    if ((globalForPrisma.prisma as any).category) {
+      return globalForPrisma.prisma;
+    }
+  }
+  const client = new PrismaClient({ adapter });
+  if (process.env.NODE_ENV !== 'production') {
+    globalForPrisma.prisma = client;
+  }
+  return client;
+}
+
+export const db = getPrismaClient();

lib/utils.ts

@@ -0,0 +1,6 @@
+import { clsx, type ClassValue } from "clsx"
+import { twMerge } from "tailwind-merge"
+
+export function cn(...inputs: ClassValue[]) {
+  return twMerge(clsx(inputs))
+}