44 lines
1.5 KiB
PL/PgSQL
44 lines
1.5 KiB
PL/PgSQL
-- Migration: Create sponsored_posts table for First-Party Contextual Ads
|
|
-- Created: 2026-01-12
|
|
-- Purpose: Silent launch infrastructure for sponsored content (table starts empty)
|
|
|
|
create table if not exists sponsored_posts (
|
|
id uuid default gen_random_uuid() primary key,
|
|
created_at timestamptz default now(),
|
|
advertiser_name text not null,
|
|
body text not null, -- Markdown content
|
|
image_url text, -- Optional banner
|
|
cta_link text not null,
|
|
cta_text text default 'Learn More',
|
|
target_categories text[] not null, -- Array of Category IDs to match against
|
|
active boolean default true,
|
|
|
|
-- Internal tracking (private)
|
|
impression_goal int default 1000,
|
|
current_impressions int default 0
|
|
);
|
|
|
|
-- RLS: Public Read-Only (authenticated), Service Role Write-Only
|
|
alter table sponsored_posts enable row level security;
|
|
|
|
create policy "Users can read active ads" on sponsored_posts
|
|
for select to authenticated using (active = true);
|
|
|
|
-- Index for efficient category matching queries
|
|
create index if not exists idx_sponsored_posts_categories
|
|
on sponsored_posts using gin (target_categories);
|
|
|
|
-- Index for active ads filtering
|
|
create index if not exists idx_sponsored_posts_active
|
|
on sponsored_posts (active) where active = true;
|
|
|
|
-- Function to increment ad impressions (called from client)
|
|
create or replace function increment_ad_impression(p_ad_id uuid)
|
|
returns void as $$
|
|
begin
|
|
update sponsored_posts
|
|
set current_impressions = current_impressions + 1
|
|
where id = p_ad_id;
|
|
end;
|
|
$$ language plpgsql security definer;
|