BS-CSP Programming Assignment: Simplified Google Photos App with Firebase, Firestore & Google App Engine

School

Universiti Teknikal Malaysia Melaka (UTeM)

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Assignment Type

Individual Assignment

Subject

BS-CSP Cloud Services & Platforms

Uploaded by Malaysia Assignment Help

Date

07/12/2025

1 Assignment Information

Course: BSCH

Stage / Year: 4

Module: Cloud Services & Platforms

Submission: Upload to Moodle

Weighting: 50% of the Module

2 Introduction

In this assignment, you will build a simplified version of a photo gallery app like Google Photos, hosted on Google App Engine. Each user should be able to:

Upload, view, download, and delete their photos

Organize photos using albums

Share albums in read-only mode with other users

The assignment is split into progressive groups. Each group must be fully implemented and working before subsequent groups will be evaluated.

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3 Technologies Required

Google App Engine (Python)

Firebase Authentication (JavaScript)

Firebase Admin SDK

Firestore (NoSQL)

Google Cloud Storage

4 Submission Requirements

You must submit:

A zip archive of your complete GAE project with .git directory (≥7 commits)

A PDF of your documentation (approx. 1500 words)

Important: No GitHub or external libraries. Only standard SDKs are allowed. Use of external repos or AI-generated code will result in 0.

5 Coding Tasks (80%)

Group 1 Tasks (20%) — Authentication & Setup

Firebase login/logout system using firebase-login.js and local-constants.py

On first login, create a Firestore user document and a default album (“My Photos”)

Allow users to create albums (Firestore document)

Allow users to delete albums (only if empty)

Group 2 Tasks (40%) — File Handling

Users can switch between albums (directories)

Users can upload images to the current album (stored in GCS)

Prevent duplicate image uploads unless the user chooses to overwrite

Provide image preview in the UI (thumbnail rendering from GCS)

Group 3 Tasks (60%) — Advanced Features

Users can delete individual photos

Users can download a photo to local device

Prevent deletion of albums with images still inside

Detect duplicate photos using image hash (SHA256) and visually highlight duplicates

Group 4 Tasks (80%) — Sharing and UX

Detect duplicate photos across all albums (display paths + names)

Allow read-only sharing of an album with another user via their email

Intuitive UI design: mobile-responsive, clearly laid out albums/photos, user-friendly

6 Major Bugs (10% Penalty Each if Present)

Allowing duplicate album names in the same user account

Deleting or displaying incorrect photos

Overwriting a photo without prompt

Shared albums show incorrect or unauthorized content

7 Documentation (20%)

Approximately 1500 words, in a well-structured PDF, covering:

High-level explanation of each method/function

How Firestore structure is designed

How Firebase Auth integrates with backend

Error handling & bug prevention strategy

UI design rationale

8 Learning Objectives

Students will:

Deploy applications using Google App Engine

Use Firebase Authentication securely

Store/retrieve data from Firestore

Manage user media in Cloud Storage

Structure and maintain scalable cloud-based code

Develop UIs integrating cloud backend services

TOTAL MARKS 100

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