feat: completar Fase 2 del Roadmap MVP (Co-docencia, Matriz de Conflictos y Regla Diaria) y auditoria de seguridad

backend/migrate_user_profile_fields.py

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+import sqlite3
+import os
+import sys
+
+# Locate database
+possible_paths = [
+    os.path.join(os.path.dirname(__file__), 'instance', 'edu_space.db'),
+    os.path.join(os.path.dirname(__file__), 'instance', 'app.db'),
+    os.path.join(os.path.dirname(__file__), 'edu_space.db'),
+    os.path.join(os.path.dirname(__file__), 'app.db'),
+]
+
+db_path = None
+for p in possible_paths:
+    if os.path.exists(p):
+        db_path = p
+        break
+
+if not db_path:
+    # Check current directory
+    for root, dirs, files in os.walk(os.path.dirname(__file__)):
+        for f in files:
+            if f.endswith('.db'):
+                db_path = os.path.join(root, f)
+                break
+        if db_path:
+            break
+
+print(f"Connecting to database: {db_path}")
+conn = sqlite3.connect(db_path)
+cursor = conn.cursor()
+
+# Check existing columns in users table
+cursor.execute("PRAGMA table_info(users)")
+columns = [row[1] for row in cursor.fetchall()]
+print(f"Existing columns in 'users': {columns}")
+
+new_columns = [
+    ('first_name', 'VARCHAR(100)'),
+    ('last_name', 'VARCHAR(100)'),
+    ('phone', 'VARCHAR(50)'),
+    ('address', 'VARCHAR(255)'),
+    ('document_type', 'VARCHAR(20) DEFAULT "DNI"'),
+    ('document_number', 'VARCHAR(30)')
+]
+
+for col_name, col_type in new_columns:
+    if col_name not in columns:
+        print(f"Adding column '{col_name}'...")
+        cursor.execute(f"ALTER TABLE users ADD COLUMN {col_name} {col_type}")
+    else:
+        print(f"Column '{col_name}' already exists.")
+
+conn.commit()
+
+# Create index on document_number if not exists
+try:
+    cursor.execute("CREATE INDEX IF NOT EXISTS idx_users_document_number ON users(document_number)")
+    conn.commit()
+    print("Index on document_number verified.")
+except Exception as e:
+    print(f"Notice on index: {e}")
+
+# Migrate existing users: split name into first_name and last_name if empty
+cursor.execute("SELECT id, name, first_name, last_name FROM users")
+users = cursor.fetchall()
+migrated = 0
+for u_id, name, fn, ln in users:
+    if not fn and name:
+        parts = name.strip().split()
+        first_n = parts[0] if parts else ''
+        last_n = ' '.join(parts[1:]) if len(parts) > 1 else ''
+        cursor.execute("UPDATE users SET first_name = ?, last_name = ? WHERE id = ?", (first_n, last_n, u_id))
+        migrated += 1
+
+conn.commit()
+print(f"Successfully migrated {migrated} users with first_name and last_name from name.")
+conn.close()
+print("Migration completed successfully!")