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supabase_schema.sql

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+-- RIOTZ SUPABASE DATABASE SCHEMA
+-- Tech Stack: PostgreSQL, Supabase Auth, Storage
+
+-- 1. EXTENSIONS
+create extension if not exists "uuid-ossp";
+
+-- 2. TABLES
+
+-- PROFILES: Core user identity
+create table public.profiles (
+  user_id uuid references auth.users on delete cascade primary key,
+  username text unique not null,
+  bio text,
+  avatar_url text,
+  featured boolean default false,
+  banned boolean default false,
+  created_at timestamp with time zone default now(),
+  updated_at timestamp with time zone default now()
+);
+
+-- POSTS: Visual manifestations
+create table public.posts (
+  id uuid default uuid_generate_v4() primary key,
+  user_id uuid references public.profiles(user_id) on delete cascade not null,
+  image_url text not null,
+  caption text,
+  likes_count int default 0,
+  featured boolean default false,
+  created_at timestamp with time zone default now()
+);
+
+-- POST LIKES: Engagement tracking
+create table public.post_likes (
+  user_id uuid references public.profiles(user_id) on delete cascade not null,
+  post_id uuid references public.posts(id) on delete cascade not null,
+  created_at timestamp with time zone default now(),
+  primary key (user_id, post_id)
+);
+
+-- TRACKS: Sonic broadcasts
+create table public.tracks (
+  id uuid default uuid_generate_v4() primary key,
+  user_id uuid references public.profiles(user_id) on delete cascade not null,
+  title text not null,
+  audio_url text not null,
+  genre_tag text default 'UNKNOWN',
+  plays int default 0,
+  featured boolean default false,
+  created_at timestamp with time zone default now()
+);
+
+-- COMMENTS: Chaos discourse
+create table public.comments (
+  id uuid default uuid_generate_v4() primary key,
+  post_id uuid references public.posts(id) on delete cascade not null,
+  user_id uuid references public.profiles(user_id) on delete cascade not null,
+  content text not null,
+  created_at timestamp with time zone default now()
+);
+
+-- BANS: Network exclusion records
+create table public.bans (
+  id uuid default uuid_generate_v4() primary key,
+  user_id uuid references public.profiles(user_id) on delete cascade not null,
+  reason text,
+  banned_by uuid references public.profiles(user_id),
+  created_at timestamp with time zone default now()
+);
+
+-- FEATURED CONTENT: Curated highlights
+create table public.featured_content (
+  id uuid default uuid_generate_v4() primary key,
+  content_type text not null check (content_type in ('artist', 'post', 'track')),
+  content_id uuid not null,
+  priority int default 0,
+  created_at timestamp with time zone default now()
+);
+
+-- 3. FUNCTIONS & TRIGGERS
+
+-- Automatically create profile on signup
+create or replace function public.handle_new_user()
+returns trigger as $$
+begin
+  insert into public.profiles (user_id, username, avatar_url)
+  values (new.id, split_part(new.email, '@', 1), new.raw_user_meta_data->>'avatar_url');
+  return new;
+end;
+$$ language plpgsql security definer;
+
+create trigger on_auth_user_created
+  after insert on auth.users
+  for each row execute procedure public.handle_new_user();
+
+-- Auto-update likes_count on posts
+create or replace function public.update_post_likes_count()
+returns trigger as $$
+begin
+  if (TG_OP = 'INSERT') then
+    update public.posts set likes_count = likes_count + 1 where id = new.post_id;
+  elsif (TG_OP = 'DELETE') then
+    update public.posts set likes_count = likes_count - 1 where id = old.post_id;
+  end if;
+  return null;
+end;
+$$ language plpgsql security definer;
+
+create trigger on_like_changed
+  after insert or delete on public.post_likes
+  for each row execute procedure public.update_post_likes_count();
+
+-- Increment plays RPC
+create or replace function public.increment_track_plays(track_id uuid)
+returns void as $$
+begin
+  update public.tracks set plays = plays + 1 where id = track_id;
+end;
+$$ language plpgsql security definer;
+
+-- 4. SECURITY (RLS)
+
+alter table public.profiles enable row level security;
+alter table public.posts enable row level security;
+alter table public.tracks enable row level security;
+alter table public.post_likes enable row level security;
+alter table public.comments enable row level security;
+
+-- Profiles: Public read, owner update
+create policy "Public profiles are viewable by everyone." on public.profiles for select using (true);
+create policy "Users can update own profile." on public.profiles for update using (auth.uid() = user_id);
+
+-- Posts: Public read, Auth create, Owner delete
+create policy "Posts are viewable by everyone." on public.posts for select using (true);
+create policy "Authenticated users can create posts." on public.posts for insert with check (auth.role() = 'authenticated');
+create policy "Users can delete own posts." on public.posts for delete using (auth.uid() = user_id);
+
+-- Tracks: Public read, Auth create
+create policy "Tracks are viewable by everyone." on public.tracks for select using (true);
+create policy "Authenticated users can upload tracks." on public.tracks for insert with check (auth.role() = 'authenticated');
+
+-- Likes: Authenticated management
+create policy "Users can view likes." on public.post_likes for select using (true);
+create policy "Users can manage own likes." on public.post_likes for all using (auth.uid() = user_id);
+
+-- 5. INDEXES for Performance
+create index idx_posts_user_id on public.posts(user_id);
+create index idx_posts_created_at on public.posts(created_at desc);
+create index idx_tracks_plays on public.tracks(plays desc);
+create index idx_comments_post_id on public.comments(post_id);