45 lines
2 KiB
MySQL
45 lines
2 KiB
MySQL
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-- Add standard_name column to event_types table
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-- This column should not be modifiable by authenticated users
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-- Add the standard_name column
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ALTER TABLE event_types ADD COLUMN standard_name TEXT;
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-- Add comment for the new column
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COMMENT ON COLUMN event_types.standard_name IS
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'Standard name for the event type - not modifiable by authenticated users';
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-- Create function to automatically set standard_name on insert and prevent modification by authenticated users
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CREATE OR REPLACE FUNCTION handle_event_types_standard_name()
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RETURNS TRIGGER AS $$
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BEGIN
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-- On INSERT: automatically set standard_name from config->>'name', sanitized
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IF TG_OP = 'INSERT' THEN
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-- Extract name from config and sanitize it (replace spaces with hyphens, lowercase)
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NEW.standard_name = LOWER(REPLACE(TRIM(NEW.config->>'name'), ' ', '-'));
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RETURN NEW;
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END IF;
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-- On UPDATE: prevent standard_name modification by authenticated users
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IF TG_OP = 'UPDATE' THEN
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-- Only allow system/service role to modify standard_name
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-- If the current user is authenticated (not service_role), prevent standard_name changes
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IF current_setting('role') != 'service_role' AND OLD.standard_name IS DISTINCT FROM NEW.standard_name THEN RAISE EXCEPTION 'standard_name column cannot be modified'; END IF;
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-- If name in config changes, update standard_name accordingly (but only for non-authenticated users)
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IF current_setting('role') = 'service_role' AND OLD.config->>'name' IS DISTINCT FROM NEW.config->>'name' THEN
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NEW.standard_name = LOWER(REPLACE(TRIM(NEW.config->>'name'), ' ', '-'));
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END IF;
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END IF;
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RETURN NEW;
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END;
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$$ language 'plpgsql';
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-- Create trigger to handle standard_name on insert and prevent modification on update
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CREATE TRIGGER handle_event_types_standard_name_trigger
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BEFORE INSERT OR UPDATE ON event_types
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FOR EACH ROW
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EXECUTE FUNCTION handle_event_types_standard_name();
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