Create community_posts table with all necessary columns for feed functionality

cgen-fc9372861d734071b6db013825b59fb2

supabase/migrations/20250125_create_community_posts.sql

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+-- Create community_posts table if it doesn't exist
+CREATE TABLE IF NOT EXISTS public.community_posts (
+  id uuid PRIMARY KEY DEFAULT gen_random_uuid(),
+  title text NOT NULL,
+  content text NOT NULL,
+  author_id uuid NOT NULL REFERENCES public.user_profiles(id) ON DELETE CASCADE,
+  arm_affiliation text DEFAULT 'labs' NOT NULL,
+  category text,
+  tags text[] DEFAULT '{}',
+  is_published boolean DEFAULT true NOT NULL,
+  likes_count integer DEFAULT 0 NOT NULL,
+  comments_count integer DEFAULT 0 NOT NULL,
+  created_at timestamptz NOT NULL DEFAULT now(),
+  updated_at timestamptz NOT NULL DEFAULT now()
+);
+
+-- Create indexes for better query performance
+CREATE INDEX IF NOT EXISTS idx_community_posts_author_id ON public.community_posts(author_id);
+CREATE INDEX IF NOT EXISTS idx_community_posts_created_at ON public.community_posts(created_at DESC);
+CREATE INDEX IF NOT EXISTS idx_community_posts_is_published ON public.community_posts(is_published);
+CREATE INDEX IF NOT EXISTS idx_community_posts_arm_affiliation ON public.community_posts(arm_affiliation);
+CREATE INDEX IF NOT EXISTS idx_community_posts_tags ON public.community_posts USING GIN(tags);
+
+-- Enable Row Level Security
+ALTER TABLE public.community_posts ENABLE ROW LEVEL SECURITY;
+
+-- RLS Policies - only create if they don't exist
+DO $$ BEGIN
+  CREATE POLICY community_posts_read ON public.community_posts
+    FOR SELECT TO authenticated USING (is_published = true OR author_id = auth.uid());
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+DO $$ BEGIN
+  CREATE POLICY community_posts_create ON public.community_posts
+    FOR INSERT TO authenticated WITH CHECK (author_id = auth.uid());
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+DO $$ BEGIN
+  CREATE POLICY community_posts_update_own ON public.community_posts
+    FOR UPDATE TO authenticated USING (author_id = auth.uid()) WITH CHECK (author_id = auth.uid());
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+DO $$ BEGIN
+  CREATE POLICY community_posts_delete_own ON public.community_posts
+    FOR DELETE TO authenticated USING (author_id = auth.uid());
+EXCEPTION WHEN duplicate_object THEN NULL; END $$;
+
+-- Allow service role to manage posts
+GRANT SELECT, INSERT, UPDATE, DELETE ON public.community_posts TO service_role;