42 lines
1.4 KiB
PL/PgSQL
42 lines
1.4 KiB
PL/PgSQL
-- Create property_likes table to track user likes
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CREATE TABLE IF NOT EXISTS property_likes (
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id TEXT PRIMARY KEY,
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property_id TEXT NOT NULL REFERENCES properties(id) ON DELETE CASCADE,
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user_id TEXT NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
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-- Ensure a user can only like a property once
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UNIQUE(property_id, user_id)
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);
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-- Enable RLS
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ALTER TABLE property_likes ENABLE ROW LEVEL SECURITY;
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-- RLS Policies
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-- Users can view all likes (to see like counts)
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CREATE POLICY "Anyone can view likes"
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ON property_likes FOR SELECT
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USING (true);
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-- Users can insert their own likes
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CREATE POLICY "Users can create their own likes"
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ON property_likes FOR INSERT
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WITH CHECK (user_id = current_setting('app.user_id', true)::TEXT);
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-- Users can delete their own likes
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CREATE POLICY "Users can delete their own likes"
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ON property_likes FOR DELETE
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USING (user_id = current_setting('app.user_id', true)::TEXT);
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-- Create index for efficient querying
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CREATE INDEX IF NOT EXISTS idx_property_likes_property_id ON property_likes(property_id);
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CREATE INDEX IF NOT EXISTS idx_property_likes_user_id ON property_likes(user_id);
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-- Function to get like count for a property
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CREATE OR REPLACE FUNCTION get_property_like_count(property_id TEXT)
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RETURNS INTEGER AS $$
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BEGIN
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RETURN (SELECT COUNT(*)::INTEGER FROM property_likes WHERE property_likes.property_id = $1);
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER STABLE;
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