feat: database-first refactor, unified architecture and visual developer manual

Summary of changes:
- Consolidated Studio+CMS and Experience+LMS into unified services.
- Moved core business logic (enrollment, grading, auth) to PostgreSQL functions.
- Implemented advanced auditing via DB triggers and session context.
- Added gamification (XP/Levels/Leaderboards) and logic encapsulation.
- Updated installation/diagnostic scripts for the new architecture.
- Created a comprehensive Visual Developer Manual in README.md with hardware scaling.
This commit is contained in:
2026-01-11 02:34:23 -03:00
parent a19da8de76
commit b1eb23926e
42 changed files with 2661 additions and 588 deletions
@@ -0,0 +1,4 @@
-- Add XP and Level to users for gamification
ALTER TABLE users
ADD COLUMN xp INTEGER NOT NULL DEFAULT 0,
ADD COLUMN level INTEGER NOT NULL DEFAULT 1;
@@ -0,0 +1,14 @@
-- Migration: Create Webhooks Table
CREATE TABLE webhooks (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
organization_id UUID NOT NULL REFERENCES organizations(id) ON DELETE CASCADE,
url VARCHAR(500) NOT NULL,
events VARCHAR(50)[] NOT NULL, -- e.g., ['course.published', 'lesson.completed']
secret VARCHAR(255), -- For HMAC-SHA256 signatures
is_active BOOLEAN NOT NULL DEFAULT TRUE,
created_at TIMESTAMPTZ NOT NULL DEFAULT NOW(),
updated_at TIMESTAMPTZ NOT NULL DEFAULT NOW()
);
-- Index for organization_id
CREATE INDEX idx_webhooks_organization_id ON webhooks(organization_id);
@@ -0,0 +1,130 @@
-- Migration: Advanced Auditing and Automatic Triggers
-- Upgrade audit_logs table and implement automated change tracking
-- 1. Upgrade audit_logs table
ALTER TABLE audit_logs
ADD COLUMN IF NOT EXISTS event_type VARCHAR(50) DEFAULT 'USER_EVENT',
ADD COLUMN IF NOT EXISTS old_data JSONB,
ADD COLUMN IF NOT EXISTS new_data JSONB,
ADD COLUMN IF NOT EXISTS ip_address INET,
ADD COLUMN IF NOT EXISTS public_ip INET,
ADD COLUMN IF NOT EXISTS user_agent TEXT,
ADD COLUMN IF NOT EXISTS metadata JSONB DEFAULT '{}';
-- 2. Create Audit Trigger Function
CREATE OR REPLACE FUNCTION fn_trigger_audit_log()
RETURNS TRIGGER AS $$
DECLARE
v_user_id UUID;
v_org_id UUID;
v_ip INET;
v_user_agent TEXT;
v_event_type VARCHAR(50);
v_old_data JSONB := NULL;
v_new_data JSONB := NULL;
v_action VARCHAR(50);
BEGIN
-- Try to get context from session variables
BEGIN
v_user_id := current_setting('app.current_user_id', true)::UUID;
EXCEPTION WHEN OTHERS THEN
v_user_id := NULL;
END;
BEGIN
v_org_id := current_setting('app.current_org_id', true)::UUID;
EXCEPTION WHEN OTHERS THEN
v_org_id := NULL;
END;
BEGIN
v_ip := current_setting('app.client_ip', true)::INET;
EXCEPTION WHEN OTHERS THEN
v_ip := NULL;
END;
BEGIN
v_user_agent := current_setting('app.user_agent', true);
EXCEPTION WHEN OTHERS THEN
v_user_agent := NULL;
END;
BEGIN
v_event_type := current_setting('app.event_type', true);
EXCEPTION WHEN OTHERS THEN
v_event_type := 'USER_EVENT';
END;
-- Handle different operations
IF (TG_OP = 'DELETE') THEN
v_old_data := to_jsonb(OLD);
v_action := 'DELETE';
ELSIF (TG_OP = 'UPDATE') THEN
v_old_data := to_jsonb(OLD);
v_new_data := to_jsonb(NEW);
v_action := 'UPDATE';
ELSIF (TG_OP = 'INSERT') THEN
v_new_data := to_jsonb(NEW);
v_action := 'INSERT';
END IF;
-- Insert into audit_logs
INSERT INTO audit_logs (
organization_id,
user_id,
action,
entity_type,
entity_id,
event_type,
old_data,
new_data,
ip_address,
user_agent
)
VALUES (
COALESCE(v_org_id, (CASE WHEN TG_OP = 'DELETE' THEN OLD.organization_id ELSE NEW.organization_id END)),
v_user_id,
v_action,
TG_TABLE_NAME,
CASE WHEN TG_OP = 'DELETE' THEN OLD.id ELSE NEW.id END,
COALESCE(v_event_type, 'USER_EVENT'),
v_old_data,
v_new_data,
v_ip,
v_user_agent
);
IF (TG_OP = 'DELETE') THEN
RETURN OLD;
END IF;
RETURN NEW;
END;
$$ LANGUAGE plpgsql;
-- 3. Attach triggers to core tables
DO $$
BEGIN
-- Courses
IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'courses') THEN
DROP TRIGGER IF EXISTS trg_audit_courses ON courses;
CREATE TRIGGER trg_audit_courses
AFTER INSERT OR UPDATE OR DELETE ON courses
FOR EACH ROW EXECUTE FUNCTION fn_trigger_audit_log();
END IF;
-- Lessons
IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'lessons') THEN
DROP TRIGGER IF EXISTS trg_audit_lessons ON lessons;
CREATE TRIGGER trg_audit_lessons
AFTER INSERT OR UPDATE OR DELETE ON lessons
FOR EACH ROW EXECUTE FUNCTION fn_trigger_audit_log();
END IF;
-- Users
IF EXISTS (SELECT 1 FROM pg_tables WHERE tablename = 'users') THEN
DROP TRIGGER IF EXISTS trg_audit_users ON users;
CREATE TRIGGER trg_audit_users
AFTER INSERT OR UPDATE OR DELETE ON users
FOR EACH ROW EXECUTE FUNCTION fn_trigger_audit_log();
END IF;
END $$;
@@ -0,0 +1,239 @@
-- Migration: CMS CRUD Functions
-- Encapsulate all data mutations in stored functions
-- 1. Course Management
CREATE OR REPLACE FUNCTION fn_create_course(
p_organization_id UUID,
p_instructor_id UUID,
p_title VARCHAR(255),
p_pacing_mode VARCHAR(50) DEFAULT 'self_paced'
) RETURNS SETOF courses AS $$
BEGIN
RETURN QUERY
INSERT INTO courses (organization_id, instructor_id, title, pacing_mode)
VALUES (p_organization_id, p_instructor_id, p_title, p_pacing_mode)
RETURNING *;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION fn_update_course(
p_id UUID,
p_organization_id UUID,
p_title VARCHAR(255),
p_description TEXT,
p_passing_percentage INTEGER,
p_pacing_mode VARCHAR(50),
p_start_date TIMESTAMPTZ,
p_end_date TIMESTAMPTZ,
p_certificate_template VARCHAR(255) DEFAULT NULL
) RETURNS SETOF courses AS $$
BEGIN
RETURN QUERY
UPDATE courses
SET title = p_title,
description = p_description,
passing_percentage = p_passing_percentage,
pacing_mode = p_pacing_mode,
start_date = p_start_date,
end_date = p_end_date,
certificate_template = p_certificate_template,
updated_at = NOW()
WHERE id = p_id AND organization_id = p_organization_id
RETURNING *;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION fn_delete_course(
p_id UUID,
p_organization_id UUID
) RETURNS BOOLEAN AS $$
DECLARE
v_deleted_count INTEGER;
BEGIN
DELETE FROM courses
WHERE id = p_id AND organization_id = p_organization_id;
GET DIAGNOSTICS v_deleted_count = ROW_COUNT;
RETURN v_deleted_count > 0;
END;
$$ LANGUAGE plpgsql;
-- 2. Module Management
CREATE OR REPLACE FUNCTION fn_create_module(
p_organization_id UUID,
p_course_id UUID,
p_title VARCHAR(255),
p_position INTEGER
) RETURNS SETOF modules AS $$
BEGIN
RETURN QUERY
INSERT INTO modules (organization_id, course_id, title, position)
VALUES (p_organization_id, p_course_id, p_title, p_position)
RETURNING *;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION fn_update_module(
p_id UUID,
p_organization_id UUID,
p_title VARCHAR(255) DEFAULT NULL,
p_position INTEGER DEFAULT NULL
) RETURNS SETOF modules AS $$
BEGIN
RETURN QUERY
UPDATE modules
SET title = COALESCE(p_title, title),
position = COALESCE(p_position, position),
updated_at = NOW()
WHERE id = p_id AND organization_id = p_organization_id
RETURNING *;
END;
$$ LANGUAGE plpgsql;
-- 3. Lesson Management
CREATE OR REPLACE FUNCTION fn_create_lesson(
p_organization_id UUID,
p_module_id UUID,
p_title VARCHAR(255),
p_content_type VARCHAR(50),
p_content_url VARCHAR(500) DEFAULT NULL,
p_position INTEGER DEFAULT 0,
p_transcription JSONB DEFAULT NULL,
p_metadata JSONB DEFAULT NULL,
p_is_graded BOOLEAN DEFAULT FALSE,
p_grading_category_id UUID DEFAULT NULL,
p_max_attempts INTEGER DEFAULT NULL,
p_allow_retry BOOLEAN DEFAULT TRUE,
p_due_date TIMESTAMPTZ DEFAULT NULL,
p_important_date_type VARCHAR(50) DEFAULT NULL
) RETURNS SETOF lessons AS $$
BEGIN
RETURN QUERY
INSERT INTO lessons (
organization_id, module_id, title, content_type, content_url,
position, transcription, metadata, is_graded, grading_category_id,
max_attempts, allow_retry, due_date, important_date_type
)
VALUES (
p_organization_id, p_module_id, p_title, p_content_type, p_content_url,
p_position, p_transcription, p_metadata, p_is_graded, p_grading_category_id,
p_max_attempts, p_allow_retry, p_due_date, p_important_date_type
)
RETURNING *;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION fn_update_lesson(
p_id UUID,
p_organization_id UUID,
p_title VARCHAR(255) DEFAULT NULL,
p_content_type VARCHAR(50) DEFAULT NULL,
p_content_url VARCHAR(500) DEFAULT NULL,
p_content_blocks JSONB DEFAULT NULL,
p_transcription JSONB DEFAULT NULL,
p_metadata JSONB DEFAULT NULL,
p_is_graded BOOLEAN DEFAULT NULL,
p_grading_category_id UUID DEFAULT NULL,
p_max_attempts INTEGER DEFAULT NULL,
p_allow_retry BOOLEAN DEFAULT NULL,
p_position INTEGER DEFAULT NULL,
p_due_date TIMESTAMPTZ DEFAULT NULL,
p_important_date_type VARCHAR(50) DEFAULT NULL,
p_summary TEXT DEFAULT NULL,
p_clear_due_date BOOLEAN DEFAULT FALSE,
p_clear_grading_category BOOLEAN DEFAULT FALSE
) RETURNS SETOF lessons AS $$
BEGIN
RETURN QUERY
UPDATE lessons
SET title = COALESCE(p_title, title),
content_type = COALESCE(p_content_type, content_type),
content_url = COALESCE(p_content_url, content_url),
content_blocks = COALESCE(p_content_blocks, content_blocks),
transcription = COALESCE(p_transcription, transcription),
metadata = COALESCE(p_metadata, metadata),
is_graded = COALESCE(p_is_graded, is_graded),
grading_category_id = CASE
WHEN p_clear_grading_category THEN NULL
ELSE COALESCE(p_grading_category_id, grading_category_id)
END,
max_attempts = COALESCE(p_max_attempts, max_attempts),
allow_retry = COALESCE(p_allow_retry, allow_retry),
position = COALESCE(p_position, position),
due_date = CASE
WHEN p_clear_due_date THEN NULL
ELSE COALESCE(p_due_date, due_date)
END,
important_date_type = COALESCE(p_important_date_type, important_date_type),
summary = COALESCE(p_summary, summary),
updated_at = NOW()
WHERE id = p_id AND organization_id = p_organization_id
RETURNING *;
END;
$$ LANGUAGE plpgsql;
-- 4. Content Reordering
CREATE OR REPLACE PROCEDURE pr_reorder_modules(
p_organization_id UUID,
p_updates JSONB -- Array of {id, position}
) AS $$
DECLARE
v_update JSONB;
BEGIN
FOR v_update IN SELECT * FROM jsonb_array_elements(p_updates)
LOOP
UPDATE modules
SET position = (v_update->>'position')::INTEGER
WHERE id = (v_update->>'id')::UUID AND organization_id = p_organization_id;
END LOOP;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE PROCEDURE pr_reorder_lessons(
p_organization_id UUID,
p_updates JSONB -- Array of {id, position}
) AS $$
DECLARE
v_update JSONB;
BEGIN
FOR v_update IN SELECT * FROM jsonb_array_elements(p_updates)
LOOP
UPDATE lessons
SET position = (v_update->>'position')::INTEGER
WHERE id = (v_update->>'id')::UUID AND organization_id = p_organization_id;
END LOOP;
END;
$$ LANGUAGE plpgsql;
-- 5. User & Auth Management
CREATE OR REPLACE FUNCTION fn_register_user(
p_email VARCHAR(255),
p_password_hash VARCHAR(255),
p_full_name VARCHAR(255),
p_role VARCHAR(50),
p_org_name VARCHAR(255)
) RETURNS SETOF users AS $$
DECLARE
v_org_id UUID;
BEGIN
-- Find or create organization
INSERT INTO organizations (name)
VALUES (p_org_name)
ON CONFLICT (name) DO UPDATE SET name = EXCLUDED.name
RETURNING id INTO v_org_id;
-- Create user
RETURN QUERY
INSERT INTO users (email, password_hash, full_name, role, organization_id)
VALUES (p_email, p_password_hash, p_full_name, p_role, v_org_id)
RETURNING *;
END;
$$ LANGUAGE plpgsql;
CREATE OR REPLACE FUNCTION fn_get_user_by_email(
p_email VARCHAR(255)
) RETURNS SETOF users AS $$
BEGIN
RETURN QUERY SELECT * FROM users WHERE email = p_email;
END;
$$ LANGUAGE plpgsql;