move demo functions out of model_server (#67)

* pending

* remove

* fix docker build

demos/function_calling/api_server/app/main.py

@@ -0,0 +1,58 @@
+import random
+from fastapi import FastAPI, Response
+from datetime import datetime, date, timedelta, timezone
+import logging
+from pydantic import BaseModel
+
+logging.basicConfig(level=logging.INFO, format='%(asctime)s - %(levelname)s - %(message)s')
+logger = logging.getLogger(__name__)
+
+app = FastAPI()
+
+@app.get("/healthz")
+async def healthz():
+    return {
+        "status": "ok"
+    }
+
+class WeatherRequest(BaseModel):
+  city: str
+
+
+@app.post("/weather")
+async def weather(req: WeatherRequest, res: Response):
+
+    weather_forecast = {
+        "city": req.city,
+        "temperature": [],
+        "unit": "F",
+    }
+    for i in range(7):
+       min_temp = random.randrange(50,90)
+       max_temp = random.randrange(min_temp+5, min_temp+20)
+       weather_forecast["temperature"].append({
+           "date": str(date.today() + timedelta(days=i)),
+           "temperature": {
+              "min": min_temp,
+              "max": max_temp
+           }
+       })
+
+    return weather_forecast
+
+
+class InsuranceClaimDetailsRequest(BaseModel):
+  policy_number: str
+
+@app.post("/insurance_claim_details")
+async def insurance_claim_details(req: InsuranceClaimDetailsRequest, res: Response):
+
+    claim_details = {
+        "policy_number": req.policy_number,
+        "claim_status": "Approved",
+        "claim_amount": random.randrange(1000, 10000),
+        "claim_date": str(date.today() - timedelta(days=random.randrange(1, 30))),
+        "claim_reason": "Car Accident",
+    }
+
+    return claim_details