AssignFlow

Personal Project (In Development)

AssignFlow streamlines teacher-student assignment distribution, multi-format document submissions, inline SpeedGrader previews, and controlled grade release workflows in an organized local environment.

Python
FastAPI
PostgreSQL
SQLAlchemy 2.0
Alembic
HTML
CSS
Vanilla JavaScript
JWT Cookie Authentication
Pytest

01 // PURPOSE

Problem & Purpose

Managing college coursework across scattered folders and messaging apps leads to lost submissions, inconsistent grading states, and unclear student deadlines.

02 // MY ROLE & DEVELOPMENT

My Role & Development

Defined the product vision, requirements, and assignment lifecycle workflows for teachers and students, continuously planning features and refining backend architecture and database workflows while development continues.

Shaped teacher and student use cases, submission constraints, and the Draft vs. Release grading workflow.
Structured feature prioritization, iterative refinements, and understanding of backend architecture and database workflows.
Continuously testing and refining local builds while the project remains in development.

03 // CAPABILITIES

README-Described Features (In Development)

Teacher and Student role-based authentication.
Class join codes and student enrollment.
Assignment creation and management.
PDF attachments.
Student submissions in PDF, DOCX, DOC, TXT, and ZIP formats.
Submission ownership isolation.
SpeedGrader with PDF and DOCX preview.
Draft and Release grading workflow.
Bulk grade release.
Instructor analytics.
Student deadlines and agenda.
ZIP streaming and CSV formula-injection sanitization.
Database migrations and automated tests (Pytest documented in README; test count not independently verified in this repository).

04 // TECHNICAL HIGHLIGHTS

Implementation & Engineering Notes

Draft vs. Release grading state separation before publishing student marks.
Document preview and multi-format submission handling with ZIP streaming & CSV formula-injection sanitization.
Strict submission ownership isolation per enrolled student.
Concurrency control using PostgreSQL database row-level locking.

Links: Public repository and live deployment URLs for AssignFlow are not published in this build.