Implement boxes management module with auto-numbered box creation
- Add boxes_crates database table with BIGINT IDs and 8-digit auto-numbered box_numbers - Implement boxes CRUD operations (add, edit, update, delete, delete_multiple) - Create boxes route handlers with POST actions for all operations - Add boxes.html template with 3-panel layout matching warehouse locations module - Implement barcode generation and printing with JsBarcode and QZ Tray integration - Add browser print fallback for when QZ Tray is not available - Simplify create box form to single button with auto-generation - Fix JavaScript null reference errors with proper element validation - Convert tuple data to dictionaries for Jinja2 template compatibility - Register boxes blueprint in Flask app initialization
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Quality App Developer
213
app/modules/warehouse/warehouse.py
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213
app/modules/warehouse/warehouse.py
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"""
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Warehouse Module - Helper Functions
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Provides functions for warehouse operations
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"""
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import logging
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from app.database import get_db
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logger = logging.getLogger(__name__)
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def ensure_warehouse_locations_table():
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"""Ensure warehouse_locations table exists"""
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try:
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute("""
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CREATE TABLE IF NOT EXISTS warehouse_locations (
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id BIGINT AUTO_INCREMENT PRIMARY KEY,
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location_code VARCHAR(12) UNIQUE NOT NULL,
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size INT,
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description VARCHAR(250),
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created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
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INDEX idx_location_code (location_code)
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)
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""")
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conn.commit()
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cursor.close()
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logger.info("warehouse_locations table ensured")
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return True
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except Exception as e:
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logger.error(f"Error ensuring warehouse_locations table: {e}")
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return False
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def add_location(location_code, size, description):
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"""Add a new warehouse location"""
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try:
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ensure_warehouse_locations_table()
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute("""
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INSERT INTO warehouse_locations (location_code, size, description)
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VALUES (%s, %s, %s)
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""", (location_code, size if size else None, description))
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conn.commit()
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cursor.close()
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return True, "Location added successfully."
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except Exception as e:
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if "Duplicate entry" in str(e):
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return False, f"Failed: Location code '{location_code}' already exists."
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logger.error(f"Error adding location: {e}")
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return False, f"Error adding location: {str(e)}"
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def get_all_locations():
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"""Get all warehouse locations"""
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try:
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ensure_warehouse_locations_table()
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute("""
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SELECT id, location_code, size, description, created_at, updated_at
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FROM warehouse_locations
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ORDER BY id DESC
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""")
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locations = cursor.fetchall()
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cursor.close()
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result = []
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for loc in locations:
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result.append({
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'id': loc[0],
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'location_code': loc[1],
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'size': loc[2],
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'description': loc[3],
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'created_at': loc[4],
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'updated_at': loc[5]
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})
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return result
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except Exception as e:
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logger.error(f"Error getting locations: {e}")
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return []
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def get_location_by_id(location_id):
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"""Get a specific location by ID"""
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try:
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute("""
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SELECT id, location_code, size, description, created_at, updated_at
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FROM warehouse_locations
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WHERE id = %s
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""", (location_id,))
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loc = cursor.fetchone()
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cursor.close()
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if loc:
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return {
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'id': loc[0],
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'location_code': loc[1],
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'size': loc[2],
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'description': loc[3],
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'created_at': loc[4],
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'updated_at': loc[5]
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}
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return None
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except Exception as e:
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logger.error(f"Error getting location: {e}")
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return None
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def update_location(location_id, location_code=None, size=None, description=None):
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"""Update a warehouse location
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Args:
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location_id: ID of location to update
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location_code: New location code (optional - cannot be changed in form)
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size: New size (optional)
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description: New description (optional)
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"""
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try:
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conn = get_db()
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cursor = conn.cursor()
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# Build update query dynamically
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updates = []
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params = []
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if location_code:
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updates.append("location_code = %s")
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params.append(location_code)
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if size is not None:
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updates.append("size = %s")
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params.append(size)
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if description is not None:
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updates.append("description = %s")
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params.append(description)
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if not updates:
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return False, "No fields to update"
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params.append(location_id)
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query = f"UPDATE warehouse_locations SET {', '.join(updates)} WHERE id = %s"
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cursor.execute(query, params)
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conn.commit()
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cursor.close()
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return True, "Location updated successfully."
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except Exception as e:
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if "Duplicate entry" in str(e):
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return False, f"Failed: Location code already exists."
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logger.error(f"Error updating location: {e}")
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return False, f"Error updating location: {str(e)}"
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def delete_location(location_id):
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"""Delete a warehouse location"""
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try:
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conn = get_db()
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cursor = conn.cursor()
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cursor.execute("DELETE FROM warehouse_locations WHERE id = %s", (location_id,))
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conn.commit()
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cursor.close()
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return True, "Location deleted successfully."
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except Exception as e:
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logger.error(f"Error deleting location: {e}")
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return False, f"Error deleting location: {str(e)}"
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def delete_multiple_locations(location_ids):
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"""Delete multiple warehouse locations"""
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try:
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if not location_ids:
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return False, "No locations to delete."
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conn = get_db()
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cursor = conn.cursor()
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deleted_count = 0
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for loc_id in location_ids:
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try:
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cursor.execute("DELETE FROM warehouse_locations WHERE id = %s", (int(loc_id),))
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if cursor.rowcount > 0:
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deleted_count += 1
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except:
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pass
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conn.commit()
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cursor.close()
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return True, f"Deleted {deleted_count} location(s)."
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except Exception as e:
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logger.error(f"Error deleting multiple locations: {e}")
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return False, f"Error deleting locations: {str(e)}"
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