# baods01/foodiehub architecture

> Architecture diagram of the GitHub repository baods01/foodiehub, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-06-26). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/baods01/foodiehub
- Repository: https://github.com/baods01/foodiehub

## Overview

1. **What this repo is**
   - FoodieHub is a food-shop sharing and discussion platform for a small, trusted community.
   - The architecture is centered on **user-generated shop records** rather than a prebuilt master catalog.

2. **Top-level structure**
   - The repository is split into two primary application areas: `backend/` and `frontend/`.
   - Each side has its own `main.py`, which strongly suggests **separate runtime entrypoints** and a clean boundary between presentation and business logic.
   - Each side also has its own `docs/` folder, indicating the two parts are developed and documented independently.

3. **Frontend boundary**
   - The `frontend` is responsible for the user-facing experience: browsing shops, viewing details, posting interactions, managing favorites, seeing personal activity, and reading messages.
   - From the README, the UI likely contains distinct screens for shop detail, favorites, profile, notifications/messages, and admin-related views.

4. **Backend boundary**
   - The `backend` owns the platform’s core domain rules: shop submission, shop updates, interaction persistence, moderation, user/shop management, and notification generation.
   - This is where the system enforces the “only trusted, share-worthy shops” model and where approval logic for edits or submissions would live.

5. **Core domain model**
   - The central entity is the **shop**.
   - Around each shop, the platform stores:
     - ratings
     - Q&A
     - comments
     - menu information
     - images
   - This makes the shop page the main aggregation point for content and interaction.

6. **Content creation flow**
   - A user can submit a shop that is not already in the system.
   - The backend then stores or stages that shop record and related metadata.
   - If the platform requires moderation, the submitted shop or modification is routed through an admin approval path before becoming visible broadly.

7. **Interaction and engagement flow**
   - Users interact with shop records through comments, Q&A, and ratings.
   - These interactions feed back into the shop detail page and likely into user activity history.
   - This creates a closed loop: content discovery leads to interaction, which updates both the shop page and the user’s profile activity.

8. **Favorites subsystem**
   - Users can save shops into a favorites list.
   - The favorites page acts as a user-centric index that links back to shop detail pages.
   - This is a distinct read model from the main shop browsing flow, optimized for quick revisit rather than discovery.

9. **Profile and activity subsystem**
   - Personal pages show user information plus recent activity, specifically where the user has interacted.
   - This implies the backend tracks user actions as events or records separate from the shop content itself.
   - The profile view is an aggregation layer over those activity records.

10. **Messaging and notifications**
   - The system includes a message page for announcements and reply reminders.
   - That suggests a notification subsystem that is triggered by events such as replies, admin actions, or platform-wide announcements.
   - Messages are a separate channel from shop comments/Q&A, likely intended for system-level communication.

11. **Admin and moderation boundary**
   - Admin functionality includes reviewing submitted shop changes, managing users, and managing shops.
   - This is an important trust boundary in the architecture: normal users create content, while admins validate and govern it.
   - The moderation layer helps preserve the platform’s “information authenticity” goal.

12. **Data flow summary**
   - Typical flow: user submits or edits a shop → backend validates and stores it → shop becomes visible in browsing/detail views → users interact through ratings/comments/Q&A → backend records activity and emits notifications → profile, favorites, and message views reflect those updates.
   - The frontend is the interaction surface; the backend is the source of truth for content, moderation, and user state.

13. **Likely implementation shape**
   - Because both sides have `main.py`, this repo likely runs as two Python applications or services.
   - The architecture is therefore a **split client/server design** with documented subprojects, rather than a single all-in-one script.

14. **What to emphasize in a diagram**
   - Draw the shop entity as the hub.
   - Surround it with interaction subsystems: reviews, Q&A, comments, menus, images, favorites, profile activity, and messages.
   - Put moderation/admin on a separate trust boundary.
   - Show frontend and backend as distinct layers connected by application data flow.

Main entry points: [`frontend/main.py`](https://github.com/baods01/foodiehub/blob/main/frontend/main.py) (Frontend app), [`backend/main.py`](https://github.com/baods01/foodiehub/blob/main/backend/main.py) (Backend app)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_frontend["Frontend"]
  node_frontend_main["Frontend app<br/>Python entrypoint<br/>[main.py]"]
  node_shop_browser["Browse shops<br/>UI screen"]
  node_shop_detail["Shop detail<br/>UI screen"]
  node_favorites_view["Favorites<br/>UI screen"]
  node_profile_view["Profile<br/>UI screen"]
  node_messages_view["Messages<br/>UI screen"]
  node_admin_panel["Admin UI<br/>UI screen"]
end

subgraph group_backend["Backend"]
  node_backend_main["Backend app<br/>Python entrypoint<br/>[main.py]"]
  node_shop_catalog[("Shop catalog<br/>domain service")]
  node_submission_review{{"Moderation<br/>workflow"}}
  node_interaction_service[("Interactions")]
  node_ratings(("Ratings<br/>interaction model"))
  node_questions(("Q&A<br/>interaction model"))
  node_comments(("Comments<br/>interaction model"))
  node_shop_media[("Menu & images<br/>content model")]
  node_user_activity[("Activity log<br/>user state")]
  node_notifications["Notifications<br/>event service"]
  node_admin_control{{"Admin control<br/>management"}}
end

node_frontend_main -->|"renders"| node_shop_browser
node_frontend_main -->|"renders"| node_shop_detail
node_frontend_main -->|"renders"| node_favorites_view
node_frontend_main -->|"renders"| node_profile_view
node_frontend_main -->|"renders"| node_messages_view
node_frontend_main -->|"renders"| node_admin_panel
node_shop_browser -->|"opens"| node_shop_detail
node_favorites_view -->|"opens"| node_shop_detail
node_profile_view -->|"shows"| node_user_activity
node_messages_view -->|"shows"| node_notifications
node_admin_panel -->|"moderates"| node_submission_review
node_admin_panel -->|"manages"| node_admin_control
node_backend_main -->|"hosts"| node_shop_catalog
node_backend_main -->|"hosts"| node_submission_review
node_backend_main -->|"hosts"| node_interaction_service
node_backend_main -->|"hosts"| node_user_activity
node_backend_main -->|"hosts"| node_notifications
node_backend_main -->|"hosts"| node_admin_control
node_submission_review -->|"publishes"| node_shop_catalog
node_shop_catalog -->|"includes"| node_shop_media
node_interaction_service -->|"stores"| node_ratings
node_interaction_service -->|"stores"| node_questions
node_interaction_service -->|"stores"| node_comments
node_interaction_service -->|"updates"| node_user_activity
node_interaction_service -->|"triggers"| node_notifications
node_shop_detail -->|"reads"| node_shop_catalog
node_shop_detail -->|"writes"| node_interaction_service
node_shop_browser -->|"reads"| node_shop_catalog
node_favorites_view -->|"reads"| node_user_activity

click node_frontend_main "https://github.com/baods01/foodiehub/blob/main/frontend/main.py"
click node_backend_main "https://github.com/baods01/foodiehub/blob/main/backend/main.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_frontend_main,node_shop_browser,node_shop_detail,node_favorites_view,node_profile_view,node_messages_view,node_admin_panel toneBlue
class node_backend_main,node_shop_catalog,node_submission_review,node_interaction_service,node_ratings,node_questions,node_comments,node_shop_media,node_user_activity,node_notifications,node_admin_control toneAmber
```

## Components

### Frontend

User-facing app and screens

- [Frontend app](https://github.com/baods01/foodiehub/blob/main/frontend/main.py): Python entrypoint · Frontend runtime entrypoint and UI shell · `frontend/main.py`
- **Browse shops**: UI screen · Discovery and list view for shop records
- **Shop detail**: UI screen · Single-shop page with content and interactions
- **Favorites**: UI screen · Saved shops list for quick revisit
- **Profile**: UI screen · Personal page with user info and activity
- **Messages**: UI screen · Announcements and reply reminders
- **Admin UI**: UI screen · Moderation and management interface

### Backend

Domain logic, moderation, and data flow

- [Backend app](https://github.com/baods01/foodiehub/blob/main/backend/main.py): Python entrypoint · Backend runtime entrypoint and service shell · `backend/main.py`
- **Shop catalog**: domain service · Core shop records and visible shop data
- **Moderation**: workflow · Approval path for submitted or edited shops
- **Interactions**: service · Persistence for user engagement around shops
- **Ratings**: interaction model · Star or score-based feedback for shops
- **Q&A**: interaction model · Question and answer threads on shop pages
- **Comments**: interaction model · Discussion and reply records
- **Menu & images**: content model · Menu information and shop imagery
- **Activity log**: user state · Personal history and saved-user state
- **Notifications**: event service · Announcements and reply-driven messages
- **Admin control**: management · User and shop governance tools

## Connections

- Frontend app → Browse shops: renders · Frontend shell exposes the shop discovery experience
- Frontend app → Shop detail: renders · Frontend shell exposes the shop detail experience
- Frontend app → Favorites: renders · Frontend shell exposes saved shops
- Frontend app → Profile: renders · Frontend shell exposes user profile and activity
- Frontend app → Messages: renders · Frontend shell exposes message and notification views
- Frontend app → Admin UI: renders · Frontend shell exposes administrative screens
- Browse shops → Shop detail: opens · Browsing leads into a specific shop page
- Favorites → Shop detail: opens · Favorites list links back to shop pages
- Profile → Activity log: shows · Profile aggregates the user's recorded activity
- Messages → Notifications: shows · Message page surfaces platform notifications
- Admin UI → Moderation: moderates · Admins review submitted or edited shop records
- Admin UI → Admin control: manages · Admins manage users and shops
- Backend app → Shop catalog: hosts · Backend entrypoint serves the core shop data model
- Backend app → Moderation: hosts · Backend entrypoint serves moderation workflow
- Backend app → Interactions: hosts · Backend entrypoint serves interaction persistence
- Backend app → Activity log: hosts · Backend entrypoint serves user state and history
- Backend app → Notifications: hosts · Backend entrypoint serves notification delivery
- Backend app → Admin control: hosts · Backend entrypoint serves governance functions
- Moderation → Shop catalog: publishes · Approved submissions become visible shop records
- Shop catalog → Menu & images: includes · Shop records carry menu and image content
- Interactions → Ratings: stores · Interaction layer persists ratings
- Interactions → Q&A: stores · Interaction layer persists Q&A threads
- Interactions → Comments: stores · Interaction layer persists comments and replies
- Interactions → Activity log: updates · User interactions feed personal activity history
- Interactions → Notifications: triggers · Replies and actions emit notifications
- Shop detail → Shop catalog: reads · Detail page consumes canonical shop content
- Shop detail → Interactions: writes · Detail page posts ratings, Q&A, and comments
- Browse shops → Shop catalog: reads · Browse view consumes the visible shop index
- Favorites → Activity log: reads · Favorites are presented as part of user state