5070d9b2ca
- Added support for limiting concurrent transcoding operations in the media API to prevent resource exhaustion. - Implemented functions to retrieve video duration and bitrate using ffprobe for improved streaming performance. - Enhanced the generate_transcoded_stream function to handle HTTP range requests, allowing for more efficient video playback. - Updated VideoModal component to disable fluid and responsive modes, ensuring proper container boundaries during video playback. - Improved logging throughout the transcoding process for better error tracking and debugging.
88 lines
2.3 KiB
PL/PgSQL
88 lines
2.3 KiB
PL/PgSQL
-- Extensions and Utility Functions
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-- This migration creates required extensions and utility functions used across the database
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-- =============================================
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-- 1. EXTENSIONS
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-- =============================================
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-- Enable UUID generation
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CREATE EXTENSION IF NOT EXISTS "uuid-ossp";
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-- Enable password hashing
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CREATE EXTENSION IF NOT EXISTS "pgcrypto";
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-- =============================================
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-- 2. UTILITY FUNCTIONS
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-- =============================================
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-- Function to handle updated_at timestamp
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CREATE OR REPLACE FUNCTION public.handle_updated_at()
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RETURNS TRIGGER AS $$
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BEGIN
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NEW.updated_at = NOW();
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RETURN NEW;
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END;
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$$ LANGUAGE plpgsql;
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-- Helper function to get current user's roles
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CREATE OR REPLACE FUNCTION public.get_user_roles()
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RETURNS TEXT[] AS $$
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BEGIN
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RETURN ARRAY(
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SELECT r.name
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FROM public.user_roles ur
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JOIN public.roles r ON ur.role_id = r.id
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WHERE ur.user_id = auth.uid()
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);
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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-- Helper function to get current user's first role (for backward compatibility)
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CREATE OR REPLACE FUNCTION public.get_user_role()
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RETURNS TEXT AS $$
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BEGIN
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-- Return the first role found (for backward compatibility)
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RETURN (
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SELECT r.name
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FROM public.user_roles ur
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JOIN public.roles r ON ur.role_id = r.id
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WHERE ur.user_id = auth.uid()
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LIMIT 1
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);
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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-- Helper function to check if user is admin
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CREATE OR REPLACE FUNCTION public.is_admin()
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RETURNS BOOLEAN AS $$
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BEGIN
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RETURN 'admin' = ANY(public.get_user_roles());
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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-- Helper function to check if user has specific role
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CREATE OR REPLACE FUNCTION public.has_role(role_name TEXT)
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RETURNS BOOLEAN AS $$
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BEGIN
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RETURN role_name = ANY(public.get_user_roles());
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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-- Helper function to check if user can manage experiments
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CREATE OR REPLACE FUNCTION public.can_manage_experiments()
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RETURNS BOOLEAN AS $$
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BEGIN
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RETURN EXISTS (
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SELECT 1
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FROM public.user_roles ur
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JOIN public.roles r ON ur.role_id = r.id
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WHERE ur.user_id = auth.uid()
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AND r.name IN ('admin', 'conductor')
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);
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END;
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$$ LANGUAGE plpgsql SECURITY DEFINER;
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