Screenshots
Metallic Scrap Shipment Control
System developed for a Bolivian metallurgical company that needed to
control the entire flow of metallic scrap collection and transportation. The system manages
from driver and vehicle registration to detailed weighing records.
As operations happen in areas with limited connectivity, the system was developed
as a PWA (Progressive Web App) with offline functionality and automatic synchronization
when connection is restored.
Gross weight, tare, and net weight control with complete history of each transported load.
Complete driver registration with documentation and vehicles with capacities and maintenance records.
Material categories with prices, delivery destinations, and route control.
Works offline with automatic synchronization and sends notifications about delivery status.
Drivers needed to record weighings in areas without internet.
Implemented Service Workers with IndexedDB for local storage, synchronization queue with automatic retry, and visual connection status indicators.
Conflicts when the same record was edited offline by different users.
Created an optimistic versioning system with conflict detection and manual resolution interface when necessary, always prioritizing the most recent data.
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