first commit

backend/migrations/versions/0001_initial_schema.py

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+"""Initial schema
+
+Revision ID: 0001
+Revises:
+Create Date: 2025-01-01 00:00:00
+"""
+from alembic import op
+import sqlalchemy as sa
+from sqlalchemy.dialects import postgresql
+
+revision = '0001'
+down_revision = None
+branch_labels = None
+depends_on = None
+
+
+def upgrade():
+    # Alle tabellen aanmaken als ze nog niet bestaan
+    # (idempotent via checkfirst=True)
+    op.execute("""
+        CREATE TABLE IF NOT EXISTS schools (
+            id SERIAL PRIMARY KEY,
+            name VARCHAR(255) NOT NULL,
+            slug VARCHAR(100) NOT NULL UNIQUE,
+            email_domains TEXT[] NOT NULL DEFAULT '{}',
+            created_at TIMESTAMP DEFAULT NOW()
+        )
+    """)
+    op.execute("""
+        CREATE TABLE IF NOT EXISTS school_years (
+            id SERIAL PRIMARY KEY,
+            school_id INTEGER REFERENCES schools(id) ON DELETE CASCADE,
+            label VARCHAR(20) NOT NULL UNIQUE,
+            is_active BOOLEAN DEFAULT TRUE,
+            created_at TIMESTAMP DEFAULT NOW()
+        )
+    """)
+    op.execute("""
+        CREATE TABLE IF NOT EXISTS users (
+            id SERIAL PRIMARY KEY,
+            email VARCHAR(255) NOT NULL UNIQUE,
+            password_hash VARCHAR(255),
+            first_name VARCHAR(100),
+            last_name VARCHAR(100),
+            role VARCHAR(20) NOT NULL DEFAULT 'teacher',
+            school_id INTEGER REFERENCES schools(id) ON DELETE SET NULL,
+            is_active BOOLEAN DEFAULT TRUE,
+            created_at TIMESTAMP DEFAULT NOW(),
+            last_login TIMESTAMP,
+            oauth_provider VARCHAR(20),
+            oauth_id VARCHAR(255),
+            entra_tenant_id VARCHAR(255)
+        )
+    """)
+    op.execute("""
+        CREATE TABLE IF NOT EXISTS classes (
+            id SERIAL PRIMARY KEY,
+            school_id INTEGER NOT NULL REFERENCES schools(id) ON DELETE CASCADE,
+            name VARCHAR(50) NOT NULL,
+            created_at TIMESTAMP DEFAULT NOW(),
+            UNIQUE(school_id, name)
+        )
+    """)
+    op.execute("""
+        CREATE TABLE IF NOT EXISTS teacher_classes (
+            user_id INTEGER REFERENCES users(id) ON DELETE CASCADE,
+            class_id INTEGER REFERENCES classes(id) ON DELETE CASCADE,
+            PRIMARY KEY (user_id, class_id)
+        )
+    """)
+    op.execute("""
+        CREATE TABLE IF NOT EXISTS assessments (
+            id SERIAL PRIMARY KEY,
+            user_id INTEGER NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+            school_id INTEGER NOT NULL REFERENCES schools(id) ON DELETE CASCADE,
+            school_year_id INTEGER NOT NULL REFERENCES school_years(id) ON DELETE CASCADE,
+            vak_id VARCHAR(50) NOT NULL,
+            goal_id VARCHAR(50) NOT NULL,
+            status VARCHAR(10) NOT NULL,
+            updated_at TIMESTAMP DEFAULT NOW(),
+            UNIQUE(user_id, school_year_id, vak_id, goal_id)
+        )
+    """)
+    op.execute("""
+        CREATE TABLE IF NOT EXISTS audit_logs (
+            id SERIAL PRIMARY KEY,
+            timestamp TIMESTAMP NOT NULL DEFAULT NOW(),
+            user_id INTEGER REFERENCES users(id) ON DELETE SET NULL,
+            school_id INTEGER REFERENCES schools(id) ON DELETE SET NULL,
+            action VARCHAR(50) NOT NULL,
+            category VARCHAR(20) NOT NULL,
+            target_type VARCHAR(50),
+            target_id VARCHAR(100),
+            detail TEXT,
+            ip_address VARCHAR(45)
+        )
+    """)
+    op.execute("CREATE INDEX IF NOT EXISTS ix_audit_logs_timestamp ON audit_logs(timestamp)")
+    op.execute("CREATE INDEX IF NOT EXISTS ix_audit_logs_action ON audit_logs(action)")
+    op.execute("CREATE INDEX IF NOT EXISTS ix_audit_logs_category ON audit_logs(category)")
+
+    # Verwijder school_year_id van classes als die nog bestaat (oude structuur)
+    op.execute("""
+        DO $$ BEGIN
+            IF EXISTS (
+                SELECT 1 FROM information_schema.columns
+                WHERE table_name='classes' AND column_name='school_year_id'
+            ) THEN
+                ALTER TABLE classes DROP COLUMN school_year_id;
+            END IF;
+        END $$
+    """)
+
+
+def downgrade():
+    op.execute("DROP TABLE IF EXISTS audit_logs CASCADE")
+    op.execute("DROP TABLE IF EXISTS assessments CASCADE")
+    op.execute("DROP TABLE IF EXISTS teacher_classes CASCADE")
+    op.execute("DROP TABLE IF EXISTS classes CASCADE")
+    op.execute("DROP TABLE IF EXISTS users CASCADE")
+    op.execute("DROP TABLE IF EXISTS school_years CASCADE")
+    op.execute("DROP TABLE IF EXISTS schools CASCADE")