Team-6-RescueBite

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Inspiration

Every day, massive amounts of wholesome surplus food from restaurants, bakeries, and caterers go to waste, while local non-profit organizations work tirelessly to feed vulnerable communities. We created RescueBite to bridge this gap. Our goal is to build a fast, reliable, and transparent community redistribution platform that turns commercial food waste into meals for those who need them most.

How we built it

We built RescueBite as a robust full-stack web application designed for speed, security, and real-time coordination:

Backend & API: Node.js with Express.js supplying RESTful APIs, paired with MongoDB Atlas and Mongoose for flexible data modeling.

Geospatial Discovery: Implemented MongoDB $near and 2dsphere indexing to allow NGOs to locate nearby food listings dynamically based on proximity.

State Machine & Data Integrity: Designed an atomic reservation state machine (active → reserved → completed/cancelled) to prevent double-booking and race conditions during food collection.

Authentication & RBAC: Secure authentication using JWT and bcryptjs, enforcing role-based access control (RBAC) across Donors, NGOs, and Administrators.

Frontend UI: Built with HTML5, CSS3 tokens (supporting dynamic Light/Dark mode), and Vanilla JavaScript for a lightweight, fast-loading client.

Challenges we ran into

Concurrency & Race Conditions: Ensuring two NGOs couldn't reserve the same surplus listing simultaneously required strict atomic database operations and state transition checks.

Role Verification: Crafting a secure workflow where Donors and NGOs must undergo admin verification before listing or reserving food without creating friction during onboarding.

Geospatial Querying: Setting up precise 2dsphere location indexes to efficiently serve distance-based marketplace queries across varying coordinates.

What we learned

How to design safe, transactional workflows in MongoDB to handle real-time inventory reservations.

The importance of strict schema validation using Zod to prevent malformed requests across complex multi-role workflows.

Best practices for designing an intuitive, multi-role workspace dashboard (Donor Workspace, NGO Hub, and Admin Console) within a clean single-origin architecture.

Built With

Submitted to

GDGoC Summer DevSprint

Created by

Designed and implemented the core RescueBite backend using Node.js, Express.js, MongoDB Atlas, and Mongoose. Developed JWT-based authentication and role-based access control, donor and NGO verification workflows, surplus-food donation APIs, image upload and validation, GeoJSON-based geospatial discovery with MongoDB indexing and nearby queries, and atomic NGO reservation and donation status workflows. Implemented donation completion and immutable impact records, administrative APIs, database validation and indexing, seed/demo infrastructure, regression tests, and real MongoDB end-to-end verification.

Saif Magadi
I contributed to the development and improvement of RescueBite by working on the website, UI/UX, testing, and debugging. I also created the project’s screen-recorded demo video and uploaded it to YouTube to showcase the working features.

Prajwal g patil
AI & Data Science student at VTU. Passionate about AI, ML, full-stack development, hackathons, and open-source projects.
Contributed to the backend development and integration of RescueBite's core business workflows. Worked across the donation, NGO reservation, completion, impact, and administrative API flows, helping integrate the different backend modules into a consistent end-to-end system. Contributed to API validation, debugging, test coverage, demo data preparation, and verification of the complete donor → donation → NGO reservation → completion → impact workflow.

Salma Angolkar
I designed and developed the entire front-end user interface using **HTML5**, **CSS3** (with custom tokens supporting dynamic **Light/Dark modes**), and **Vanilla JavaScript** to ensure a lightweight, fast-loading user experience. I built the interactive multi-role workspace dashboards—including the **Donor Workspace**, **NGO Hub**, and **Admin Console**—and integrated them seamlessly with the backend REST APIs for real-time food marketplace updates, geospatial discovery, and reservation workflows.

TAKI ALTAF MULLA