Enable users to create custom video playlists and save favorite videos

Adds database schemas and Drizzle ORM setup for user playlists and favorites features.

Replit-Commit-Author: Agent
Replit-Commit-Session-Id: aa92e7e2-ec62-4c92-b21b-02ef78a664c2
Replit-Commit-Checkpoint-Type: full_checkpoint
Replit-Commit-Screenshot-Url: https://storage.googleapis.com/screenshot-production-us-central1/8cc42625-c1f5-4e43-99bd-77f2c4dedee2/aa92e7e2-ec62-4c92-b21b-02ef78a664c2/Xt4Awd6

shared/schema.ts

@@ -1,4 +1,4 @@
-import { sql } from "drizzle-orm";
+import { sql, relations } from "drizzle-orm";
 import { pgTable, text, varchar, integer, timestamp } from "drizzle-orm/pg-core";
 import { createInsertSchema } from "drizzle-zod";
 import { z } from "zod";
@@ -17,10 +17,88 @@ export const videos = pgTable("videos", {
   createdAt: timestamp("created_at").notNull().default(sql`CURRENT_TIMESTAMP`),
 });
 
+// User playlists table
+export const playlists = pgTable("playlists", {
+  id: varchar("id").primaryKey().default(sql`gen_random_uuid()`),
+  name: text("name").notNull(),
+  description: text("description"),
+  isPublic: integer("is_public").notNull().default(0), // 0 = private, 1 = public
+  userId: varchar("user_id"), // For future user authentication
+  createdAt: timestamp("created_at").notNull().default(sql`CURRENT_TIMESTAMP`),
+  updatedAt: timestamp("updated_at").notNull().default(sql`CURRENT_TIMESTAMP`),
+});
+
+// Junction table for playlist-video relationships
+export const playlistVideos = pgTable("playlist_videos", {
+  id: varchar("id").primaryKey().default(sql`gen_random_uuid()`),
+  playlistId: varchar("playlist_id").notNull(),
+  videoId: varchar("video_id").notNull(),
+  position: integer("position").notNull().default(0), // Order within playlist
+  addedAt: timestamp("added_at").notNull().default(sql`CURRENT_TIMESTAMP`),
+});
+
+// Favorites table (simplified playlist for favorites)
+export const favorites = pgTable("favorites", {
+  id: varchar("id").primaryKey().default(sql`gen_random_uuid()`),
+  videoId: varchar("video_id").notNull(),
+  userId: varchar("user_id"), // For future user authentication
+  addedAt: timestamp("added_at").notNull().default(sql`CURRENT_TIMESTAMP`),
+});
+
 export const insertVideoSchema = createInsertSchema(videos).omit({
   id: true,
   createdAt: true,
 });
 
+export const insertPlaylistSchema = createInsertSchema(playlists).omit({
+  id: true,
+  createdAt: true,
+  updatedAt: true,
+});
+
+export const insertPlaylistVideoSchema = createInsertSchema(playlistVideos).omit({
+  id: true,
+  addedAt: true,
+});
+
+export const insertFavoriteSchema = createInsertSchema(favorites).omit({
+  id: true,
+  addedAt: true,
+});
+
+// Relations
+export const playlistsRelations = relations(playlists, ({ many }) => ({
+  playlistVideos: many(playlistVideos),
+}));
+
+export const playlistVideosRelations = relations(playlistVideos, ({ one }) => ({
+  playlist: one(playlists, {
+    fields: [playlistVideos.playlistId],
+    references: [playlists.id],
+  }),
+  video: one(videos, {
+    fields: [playlistVideos.videoId],
+    references: [videos.id],
+  }),
+}));
+
+export const videosRelations = relations(videos, ({ many }) => ({
+  playlistVideos: many(playlistVideos),
+  favorites: many(favorites),
+}));
+
+export const favoritesRelations = relations(favorites, ({ one }) => ({
+  video: one(videos, {
+    fields: [favorites.videoId],
+    references: [videos.id],
+  }),
+}));
+
 export type InsertVideo = z.infer<typeof insertVideoSchema>;
 export type Video = typeof videos.$inferSelect;
+export type Playlist = typeof playlists.$inferSelect;
+export type InsertPlaylist = z.infer<typeof insertPlaylistSchema>;
+export type PlaylistVideo = typeof playlistVideos.$inferSelect;
+export type InsertPlaylistVideo = z.infer<typeof insertPlaylistVideoSchema>;
+export type Favorite = typeof favorites.$inferSelect;
+export type InsertFavorite = z.infer<typeof insertFavoriteSchema>;