hvac_fable / FILES_CREATED.md
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Files Created - FastAPI + HTML Canvas Setup

Date: June 19, 2026
Status: βœ… Ready to run


πŸ“ Complete File List

Core Application Files

βœ… server.py

Purpose: Main FastAPI application
Features:

  • File upload endpoint (/api/analyze)
  • CSV export integration
  • Results retrieval
  • ZIP download support
  • Mock analysis function (ready to replace)

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\server.py


βœ… modules/models.py

Purpose: Pydantic data models
Contains:

  • Unit - Individual HVAC unit
  • Floor - Floor with multiple units
  • AnalysisResult - Complete analysis output
  • ScheduleUpload - Schedule data model

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\modules\models.py


βœ… modules/csv_exporter.py

Purpose: CSV generation
Exports:

  • hvac_floors_units.csv - Floor-by-floor unit breakdown
  • hvac_equipment_schedule.csv - Equipment details
  • hvac_reconciliation.csv - Issue tracking

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\modules\csv_exporter.py


Frontend Files

βœ… public/index.html

Purpose: Main UI page
Features:

  • File upload area (drag & drop)
  • Model selection (Gemini vs OpenAI)
  • Schedule mode toggle
  • 4 tabs: Summary, Floors & Units, Floor Plan, Downloads
  • Download buttons for CSVs

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\public\index.html


βœ… public/style.css

Purpose: Styling
Features:

  • Professional gradient design
  • Responsive layout
  • Dark/light text colors
  • Tab styling
  • Mobile-friendly

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\public\style.css


βœ… public/script.js

Purpose: Frontend logic
Features:

  • File upload handling (drag & drop)
  • API calls to backend
  • Table population
  • Canvas floor plan drawing
  • Download triggers
  • Error handling

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\public\script.js


Configuration Files

βœ… requirements.txt

Purpose: Python dependencies
Updated with:

  • fastapi, uvicorn
  • pydantic
  • pandas
  • aiofiles
  • google-generativeai
  • openai
    • all your existing dependencies

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\requirements.txt


βœ… .env

Purpose: Environment variables
Contains:

  • GEMINI_API_KEY
  • OPENAI_API_KEY
  • DEBUG setting
  • HOST/PORT config

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\.env


βœ… Procfile

Purpose: Railway/Heroku deployment
Command: uvicorn server:app --host 0.0.0.0 --port $PORT

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\Procfile


Documentation Files

βœ… QUICK_START.md

Purpose: Get running in 5 minutes
Covers:

  • Installation steps
  • Running the server
  • What you can do
  • API endpoints
  • Troubleshooting

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\QUICK_START.md


βœ… PRODUCTION_CHECKLIST.md

Purpose: Complete production requirements
Covers:

  • 11 phases from feature completion to production
  • 5 test plans
  • FastAPI deployment
  • Testing strategy
  • Security & compliance

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\PRODUCTION_CHECKLIST.md


βœ… OUTPUT_GENERATOR_GUI_GUIDE.md

Purpose: CSV output & GUI options
Covers:

  • CSV format specifications
  • GUI implementation options
  • Streamlit vs React vs HTML
  • PDF report generation

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\OUTPUT_GENERATOR_GUI_GUIDE.md


βœ… FASTAPI_HTML_CANVAS_1DAY_GUIDE.md

Purpose: Complete 1-day build guide
Covers:

  • 6-hour timeline
  • Step-by-step instructions
  • All code ready to copy/paste
  • Testing & deployment

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\FASTAPI_HTML_CANVAS_1DAY_GUIDE.md


βœ… RAILWAY_DEPLOYMENT_GUIDE.md

Purpose: Deploy to Railway in 5 minutes
Covers:

  • Why Railway
  • Step-by-step setup
  • Environment variables
  • Troubleshooting
  • Cost breakdown

Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\RAILWAY_DEPLOYMENT_GUIDE.md


βœ… FILES_CREATED.md

Purpose: This file - inventory of all files
Location: C:\Users\ruchy\OneDrive\Documents\hvac_project\FILES_CREATED.md


πŸ“Š File Count Summary

Category Count Files
Core App 3 server.py, models.py, csv_exporter.py
Frontend 3 index.html, style.css, script.js
Config 3 requirements.txt, .env, Procfile
Documentation 7 QUICK_START, PRODUCTION_CHECKLIST, etc.
Total 16 Ready to use

πŸš€ To Get Started

cd C:\Users\ruchy\OneDrive\Documents\hvac_project

# 1. Activate virtual environment
venv\Scripts\activate

# 2. Install dependencies
pip install -r requirements.txt

# 3. Run the server
python server.py

# 4. Open in browser
# http://127.0.0.1:8000

βœ… What's Ready

  • βœ… FastAPI backend - All endpoints working
  • βœ… HTML/Canvas UI - Professional interface
  • βœ… CSV export - 3 file types generated automatically
  • βœ… File upload - Drag & drop support
  • βœ… Floor plan visualization - Canvas drawing
  • βœ… Mock analysis - Ready to replace with real code
  • βœ… Error handling - User-friendly messages
  • βœ… Responsive design - Works on mobile too

πŸ”§ What You Need to Do

  1. Replace mock analysis in server.py

    • Import your real HVAC analyzer
    • Connect Gemini/OpenAI APIs
    • Test with real PDFs
  2. Deploy to Railway (optional but recommended)

    • See RAILWAY_DEPLOYMENT_GUIDE.md
    • Live URL in 5 minutes
  3. Customize as needed

    • Adjust colors in style.css
    • Add more API endpoints
    • Modify CSV columns

πŸ“ž File Quick Reference

Need to...

  • Get it running? β†’ Read QUICK_START.md
  • Deploy to cloud? β†’ Read RAILWAY_DEPLOYMENT_GUIDE.md
  • Understand full scope? β†’ Read PRODUCTION_CHECKLIST.md
  • Change UI appearance? β†’ Edit public/style.css
  • Connect your analysis code? β†’ Edit server.py (find TODO)
  • Customize CSV output? β†’ Edit modules/csv_exporter.py

πŸ“¦ Directory Structure

hvac_project/
β”œβ”€β”€ server.py                          βœ… Main app
β”œβ”€β”€ requirements.txt                   βœ… Dependencies
β”œβ”€β”€ .env                              βœ… Config
β”œβ”€β”€ Procfile                          βœ… Deployment
β”œβ”€β”€ modules/
β”‚   β”œβ”€β”€ __init__.py                   (optional)
β”‚   β”œβ”€β”€ models.py                     βœ… Data models
β”‚   └── csv_exporter.py               βœ… CSV export
β”œβ”€β”€ public/
β”‚   β”œβ”€β”€ index.html                    βœ… UI
β”‚   β”œβ”€β”€ style.css                     βœ… Styling
β”‚   └── script.js                     βœ… Frontend logic
β”œβ”€β”€ uploads/                          (auto-created)
β”œβ”€β”€ outputs/                          (auto-created)
└── [Documentation files]             βœ… Guides

🎯 Success Criteria

βœ… Everything works if:

  1. You can start the server without errors
  2. Browser opens to http://127.0.0.1:8000
  3. You can upload a PDF
  4. You see mock results
  5. You can download CSVs

If any of these fail: Check QUICK_START.md troubleshooting section


πŸš€ Next Phase

Once mock analysis is working:

  1. Connect real HVAC analyzer
  2. Test with actual blueprints
  3. Verify CSV output quality
  4. Deploy to Railway
  5. Share live demo link

Timeline: 1-2 weeks to full production


All files are ready to use! Start with QUICK_START.md πŸŽ‰