# vatsalparate/studygroup architecture

> Architecture diagram of the GitHub repository vatsalparate/studygroup, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-11-12). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/vatsalparate/studygroup
- Repository: https://github.com/vatsalparate/studygroup

## Overview

Study Group Finder is a Flask backend for account access and group-based study collaboration. Users can create or join groups, schedule study sessions, upload shared notes, and exchange realtime group messages. The sampled backend implements routes, persistence models, file handling, and Socket.IO handlers together in one file. The tree also includes a frontend entry file, but its behavior is not shown; no frontend-to-backend relationship is inferred.

Main entry points: [`backend/app.py`](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py) (Note uploads), [`frontend/index.html`](https://github.com/vatsalparate/studygroup/blob/master/frontend/index.html) (Web frontend)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_access["Account access"]
  node_auth["Account routes<br/>[app.py]"]
  node_accounts[("Account records<br/>[app.py]")]
end

subgraph group_groups["Study groups"]
  node_group_routes["Group routes<br/>[app.py]"]
  node_group_records[("Group records<br/>[app.py]")]
end

subgraph group_collab["Group collaboration"]
  node_session_routes["Session scheduling<br/>[app.py]"]
  node_session_records[("Study sessions<br/>[app.py]")]
  node_note_upload["Note uploads<br/>[app.py]"]
  node_note_records[("Note records<br/>[app.py]")]
  node_file_store[("Uploaded files<br/>[app.py]")]
  node_chat["Realtime chat<br/>[app.py]"]
  node_message_records[("Chat messages<br/>[app.py]")]
end

node_user(("User"))
node_frontend["Web frontend<br/>[index.html]"]
node_socket_clients(("Socket clients"))

node_user -->|"submits credentials"| node_auth
node_auth -->|"reads and writes"| node_accounts
node_user -->|"manages groups"| node_group_routes
node_group_routes -->|"reads and writes"| node_group_records
node_user -->|"schedules sessions"| node_session_routes
node_session_routes -->|"creates sessions"| node_session_records
node_user -->|"uploads notes"| node_note_upload
node_note_upload -->|"creates note record"| node_note_records
node_note_upload -->|"saves file"| node_file_store
node_socket_clients -->|"sends messages"| node_chat
node_chat -->|"persists messages"| node_message_records
node_chat -->|"broadcasts to room"| node_socket_clients
node_frontend -.->|"uses API"| node_auth

click node_frontend "https://github.com/vatsalparate/studygroup/blob/master/frontend/index.html"
click node_auth "https://github.com/vatsalparate/studygroup/blob/master/backend/app.py"
click node_accounts "https://github.com/vatsalparate/studygroup/blob/master/backend/app.py"
click node_group_routes "https://github.com/vatsalparate/studygroup/blob/master/backend/app.py"
click node_group_records "https://github.com/vatsalparate/studygroup/blob/master/backend/app.py"
click node_session_routes "https://github.com/vatsalparate/studygroup/blob/master/backend/app.py"
click node_session_records "https://github.com/vatsalparate/studygroup/blob/master/backend/app.py"
click node_note_upload "https://github.com/vatsalparate/studygroup/blob/master/backend/app.py"
click node_note_records "https://github.com/vatsalparate/studygroup/blob/master/backend/app.py"
click node_file_store "https://github.com/vatsalparate/studygroup/blob/master/backend/app.py"
click node_chat "https://github.com/vatsalparate/studygroup/blob/master/backend/app.py"
click node_message_records "https://github.com/vatsalparate/studygroup/blob/master/backend/app.py"

classDef toneNeutral fill:#f8fafc,stroke:#334155,stroke-width:1.5px,color:#0f172a
classDef toneBlue fill:#dbeafe,stroke:#2563eb,stroke-width:1.5px,color:#172554
classDef toneAmber fill:#fef3c7,stroke:#d97706,stroke-width:1.5px,color:#78350f
classDef toneMint fill:#dcfce7,stroke:#16a34a,stroke-width:1.5px,color:#14532d
classDef toneRose fill:#ffe4e6,stroke:#e11d48,stroke-width:1.5px,color:#881337
classDef toneIndigo fill:#e0e7ff,stroke:#4f46e5,stroke-width:1.5px,color:#312e81
classDef toneTeal fill:#ccfbf1,stroke:#0f766e,stroke-width:1.5px,color:#134e4a
class node_auth,node_accounts,node_user,node_frontend,node_socket_clients toneBlue
class node_group_routes,node_group_records toneAmber
class node_session_routes,node_session_records,node_note_upload,node_note_records,node_file_store,node_chat,node_message_records toneMint
```

## Components

### Account access

- [Account routes](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py): `backend/app.py`
- [Account records](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py): `backend/app.py`

### Study groups

- [Group routes](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py): `backend/app.py`
- [Group records](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py): `backend/app.py`

### Group collaboration

- [Session scheduling](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py): `backend/app.py`
- [Study sessions](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py): `backend/app.py`
- [Note uploads](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py): `backend/app.py`
- [Note records](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py): `backend/app.py`
- [Uploaded files](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py): `backend/app.py`
- [Realtime chat](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py): `backend/app.py`
- [Chat messages](https://github.com/vatsalparate/studygroup/blob/master/backend/app.py): `backend/app.py`

### Other components

- **User**
- [Web frontend](https://github.com/vatsalparate/studygroup/blob/master/frontend/index.html): `frontend/index.html`
- **Socket clients**

## Connections

- User → Account routes: submits credentials (evidence: `backend/app.py`)
- Account routes → Account records: reads and writes (evidence: `backend/app.py`)
- User → Group routes: manages groups (evidence: `backend/app.py`)
- Group routes → Group records: reads and writes (evidence: `backend/app.py`)
- User → Session scheduling: schedules sessions (evidence: `backend/app.py`)
- Session scheduling → Study sessions: creates sessions (evidence: `backend/app.py`)
- User → Note uploads: uploads notes (evidence: `backend/app.py`)
- Note uploads → Note records: creates note record (evidence: `backend/app.py`)
- Note uploads → Uploaded files: saves file (evidence: `backend/app.py`)
- Socket clients → Realtime chat: sends messages (evidence: `backend/app.py`)
- Realtime chat → Chat messages: persists messages (evidence: `backend/app.py`)
- Realtime chat → Socket clients: broadcasts to room (evidence: `backend/app.py`)
- Web frontend → Account routes: uses API