initial commit: rocket.new export of broadcastbeat
This commit is contained in:
Ryan Salazar
185
supabase/migrations/20260321190000_forum_votes_reputation.sql
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185
supabase/migrations/20260321190000_forum_votes_reputation.sql
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-- Forum Votes & Reputation Migration for BroadcastBeat
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-- Adds upvote/downvote on threads and replies, and reputation points on user_profiles
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-- ============================================================
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-- 1. ADD REPUTATION COLUMN TO USER_PROFILES
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-- ============================================================
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ALTER TABLE public.user_profiles
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ADD COLUMN IF NOT EXISTS reputation INTEGER DEFAULT 0;
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-- ============================================================
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-- 2. FORUM VOTES TABLE
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-- ============================================================
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CREATE TABLE IF NOT EXISTS public.forum_votes (
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id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
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user_id UUID NOT NULL REFERENCES public.user_profiles(id) ON DELETE CASCADE,
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target_type TEXT NOT NULL CHECK (target_type IN ('thread', 'reply')),
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target_id UUID NOT NULL,
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vote_value SMALLINT NOT NULL CHECK (vote_value IN (1, -1)),
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created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP
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);
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-- Unique: one vote per user per target
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CREATE UNIQUE INDEX IF NOT EXISTS idx_forum_votes_unique
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ON public.forum_votes (user_id, target_type, target_id);
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CREATE INDEX IF NOT EXISTS idx_forum_votes_target
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ON public.forum_votes (target_type, target_id);
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CREATE INDEX IF NOT EXISTS idx_forum_votes_user_id
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ON public.forum_votes (user_id);
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-- ============================================================
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-- 3. ADD VOTE SCORE COLUMNS TO THREADS AND REPLIES
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-- ============================================================
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ALTER TABLE public.forum_threads
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ADD COLUMN IF NOT EXISTS upvotes INTEGER DEFAULT 0,
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ADD COLUMN IF NOT EXISTS downvotes INTEGER DEFAULT 0,
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ADD COLUMN IF NOT EXISTS vote_score INTEGER DEFAULT 0;
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ALTER TABLE public.forum_replies
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ADD COLUMN IF NOT EXISTS upvotes INTEGER DEFAULT 0,
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ADD COLUMN IF NOT EXISTS downvotes INTEGER DEFAULT 0,
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ADD COLUMN IF NOT EXISTS vote_score INTEGER DEFAULT 0;
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-- ============================================================
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-- 4. FUNCTIONS
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-- ============================================================
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-- Recalculate vote counts on thread/reply after vote change
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CREATE OR REPLACE FUNCTION public.update_vote_counts()
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RETURNS TRIGGER
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LANGUAGE plpgsql
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SECURITY DEFINER
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AS $$
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DECLARE
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v_target_type TEXT;
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v_target_id UUID;
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v_up INTEGER;
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v_down INTEGER;
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v_author_id UUID;
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v_old_vote SMALLINT := 0;
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v_new_vote SMALLINT := 0;
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v_rep_delta INTEGER := 0;
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BEGIN
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-- Determine target info
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IF TG_OP = 'DELETE' THEN
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v_target_type := OLD.target_type;
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v_target_id := OLD.target_id;
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v_old_vote := OLD.vote_value;
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ELSIF TG_OP = 'INSERT' THEN
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v_target_type := NEW.target_type;
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v_target_id := NEW.target_id;
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v_new_vote := NEW.vote_value;
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ELSIF TG_OP = 'UPDATE' THEN
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v_target_type := NEW.target_type;
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v_target_id := NEW.target_id;
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v_old_vote := OLD.vote_value;
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v_new_vote := NEW.vote_value;
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END IF;
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-- Recalculate vote totals
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SELECT
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COALESCE(SUM(CASE WHEN vote_value = 1 THEN 1 ELSE 0 END), 0),
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COALESCE(SUM(CASE WHEN vote_value = -1 THEN 1 ELSE 0 END), 0)
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INTO v_up, v_down
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FROM public.forum_votes
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WHERE target_type = v_target_type AND target_id = v_target_id;
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-- Update the appropriate table
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IF v_target_type = 'thread' THEN
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UPDATE public.forum_threads
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SET upvotes = v_up,
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downvotes = v_down,
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vote_score = v_up - v_down,
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updated_at = CURRENT_TIMESTAMP
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WHERE id = v_target_id;
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SELECT author_id INTO v_author_id
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FROM public.forum_threads WHERE id = v_target_id LIMIT 1;
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ELSIF v_target_type = 'reply' THEN
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UPDATE public.forum_replies
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SET upvotes = v_up,
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downvotes = v_down,
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vote_score = v_up - v_down,
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updated_at = CURRENT_TIMESTAMP
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WHERE id = v_target_id;
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SELECT author_id INTO v_author_id
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FROM public.forum_replies WHERE id = v_target_id LIMIT 1;
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END IF;
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-- Update author reputation (only for authenticated authors)
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IF v_author_id IS NOT NULL THEN
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-- Calculate reputation delta: upvote = +10, downvote = -2
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v_rep_delta := (v_new_vote - v_old_vote) * CASE
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WHEN (v_new_vote > 0 OR v_old_vote > 0) THEN 10
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ELSE 2
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END;
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-- More precise: +10 per upvote gained, -10 per upvote lost, -2 per downvote gained, +2 per downvote lost
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v_rep_delta := 0;
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IF v_new_vote = 1 AND v_old_vote = 0 THEN v_rep_delta := 10; END IF;
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IF v_new_vote = 0 AND v_old_vote = 1 THEN v_rep_delta := -10; END IF;
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IF v_new_vote = -1 AND v_old_vote = 0 THEN v_rep_delta := -2; END IF;
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IF v_new_vote = 0 AND v_old_vote = -1 THEN v_rep_delta := 2; END IF;
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IF v_new_vote = 1 AND v_old_vote = -1 THEN v_rep_delta := 12; END IF;
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IF v_new_vote = -1 AND v_old_vote = 1 THEN v_rep_delta := -12; END IF;
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IF v_rep_delta != 0 THEN
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UPDATE public.user_profiles
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SET reputation = GREATEST(0, COALESCE(reputation, 0) + v_rep_delta)
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WHERE id = v_author_id;
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END IF;
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END IF;
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RETURN COALESCE(NEW, OLD);
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END;
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$$;
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-- ============================================================
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-- 5. ENABLE RLS
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-- ============================================================
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ALTER TABLE public.forum_votes ENABLE ROW LEVEL SECURITY;
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-- ============================================================
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-- 6. RLS POLICIES
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-- ============================================================
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-- Public can read all votes (for counts)
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DROP POLICY IF EXISTS "public_read_forum_votes" ON public.forum_votes;
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CREATE POLICY "public_read_forum_votes"
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ON public.forum_votes FOR SELECT TO public USING (true);
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-- Authenticated users can insert their own votes
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DROP POLICY IF EXISTS "authenticated_insert_forum_votes" ON public.forum_votes;
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CREATE POLICY "authenticated_insert_forum_votes"
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ON public.forum_votes FOR INSERT TO authenticated
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WITH CHECK (user_id = auth.uid());
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-- Users can update their own votes
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DROP POLICY IF EXISTS "users_update_own_forum_votes" ON public.forum_votes;
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CREATE POLICY "users_update_own_forum_votes"
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ON public.forum_votes FOR UPDATE TO authenticated
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USING (user_id = auth.uid())
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WITH CHECK (user_id = auth.uid());
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-- Users can delete their own votes
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DROP POLICY IF EXISTS "users_delete_own_forum_votes" ON public.forum_votes;
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CREATE POLICY "users_delete_own_forum_votes"
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ON public.forum_votes FOR DELETE TO authenticated
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USING (user_id = auth.uid());
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-- Service role full access
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DROP POLICY IF EXISTS "service_role_manage_forum_votes" ON public.forum_votes;
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CREATE POLICY "service_role_manage_forum_votes"
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ON public.forum_votes FOR ALL TO service_role USING (true) WITH CHECK (true);
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-- ============================================================
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-- 7. TRIGGERS
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-- ============================================================
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DROP TRIGGER IF EXISTS on_forum_vote_change ON public.forum_votes;
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CREATE TRIGGER on_forum_vote_change
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AFTER INSERT OR UPDATE OR DELETE ON public.forum_votes
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FOR EACH ROW EXECUTE FUNCTION public.update_vote_counts();
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