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"""
FastAPI Main Application - REMB Optimization Engine
"""
from fastapi import FastAPI, UploadFile, File, HTTPException
from fastapi.middleware.cors import CORSMiddleware
from pydantic import BaseModel
from typing import Optional, List
import logging
from config.settings import settings
# Configure logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)
# Create FastAPI app
app = FastAPI(
title=settings.PROJECT_NAME,
version=settings.VERSION,
description="AI-Powered Industrial Estate Master Planning Optimization Engine"
)
# CORS middleware
app.add_middleware(
CORSMiddleware,
allow_origins=["*"],
allow_credentials=True,
allow_methods=["*"],
allow_headers=["*"],
)
# Pydantic models for API
class OptimizationRequest(BaseModel):
"""Request model for optimization"""
site_id: str
population_size: int = 100
n_generations: int = 200
n_plots: int = 20
class OptimizationResponse(BaseModel):
"""Response model for optimization"""
optimization_id: str
status: str
n_solutions: int
generation_time_seconds: float
class LayoutMetricsResponse(BaseModel):
"""Layout metrics response"""
layout_id: str
total_area_sqm: float
sellable_area_sqm: float
green_space_area_sqm: float
sellable_ratio: float
green_space_ratio: float
is_compliant: bool
@app.get("/")
async def root():
"""Root endpoint"""
return {
"message": "REMB Industrial Estate Master Planning Optimization Engine",
"version": settings.VERSION,
"status": "operational"
}
@app.get("/api/v1/health")
async def health_check():
"""Health check endpoint"""
return {
"status": "healthy",
"version": settings.VERSION
}
@app.post("/api/v1/sites/upload")
async def upload_site_boundary(file: UploadFile = File(...)):
"""
Upload site boundary file (Shapefile or DXF)
Args:
file: Shapefile (.shp) or DXF file
Returns:
Site ID and metadata
"""
if not file.filename:
raise HTTPException(status_code=400, detail="No file provided")
# Check file extension
extension = file.filename.split('.')[-1].lower()
if f".{extension}" not in settings.ALLOWED_EXTENSIONS:
raise HTTPException(
status_code=400,
detail=f"File type .{extension} not allowed. Allowed: {settings.ALLOWED_EXTENSIONS}"
)
# TODO: Implement actual file processing
site_id = "site_123" # Placeholder
return {
"site_id": site_id,
"filename": file.filename,
"status": "uploaded",
"message": "Site boundary uploaded successfully"
}
@app.post("/api/v1/sites/{site_id}/optimize", response_model=OptimizationResponse)
async def optimize_site(site_id: str, request: OptimizationRequest):
"""
Run optimization for a site
Args:
site_id: Site identifier
request: Optimization parameters
Returns:
Optimization results with Pareto front
"""
logger.info(f"Starting optimization for site {site_id}")
# TODO: Implement actual optimization
# This would call NSGA2Optimizer and return results
return OptimizationResponse(
optimization_id="opt_123",
status="completed",
n_solutions=8,
generation_time_seconds=120.5
)
@app.get("/api/v1/layouts/{layout_id}/metrics", response_model=LayoutMetricsResponse)
async def get_layout_metrics(layout_id: str):
"""
Get metrics for a specific layout
Args:
layout_id: Layout identifier
Returns:
Layout metrics
"""
# TODO: Retrieve from database
return LayoutMetricsResponse(
layout_id=layout_id,
total_area_sqm=250000.0,
sellable_area_sqm=162500.0,
green_space_area_sqm=37500.0,
sellable_ratio=0.65,
green_space_ratio=0.15,
is_compliant=True
)
@app.get("/api/v1/layouts/{layout_id}/export")
async def export_layout_dxf(layout_id: str):
"""
Export layout as DXF file
Args:
layout_id: Layout identifier
Returns:
DXF file download
"""
# TODO: Implement DXF export
return {
"layout_id": layout_id,
"status": "exported",
"download_url": f"/downloads/{layout_id}.dxf"
}
if __name__ == "__main__":
import uvicorn
uvicorn.run(app, host="0.0.0.0", port=8000)
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