Update single get function to be more robust

moviedb-single.py

@@ -1,23 +1,47 @@
 import json
 import boto3
+from botocore.vendored import requests
+import os
 from boto3.dynamodb.conditions import Key, Attr
 
-# always start with the lambda_handler
-
 
+# always start with the lambda_handler
 def lambda_handler(event, context):
 
+    OMDB = os.environ["OMDBkey"]
+
     # make the connection to dynamodb
-    # may require parameters if not using default AWS environment vars
-    dynamodb = boto3.resource('dynamodb')
-
-    table = dynamodb.Table('movies')
-    # get item from database
-    items = table.get_item(
-        Key={"title": event["queryStringParameters"]["title"], "year": event["queryStringParameters"]["year"]})
-    items = items['Item']
-
-    return {
-        'statusCode': 200,
-        'body': json.dumps(items)
-    }
+    dynamodb = boto3.resource(
+        "dynamodb"
+    )  # may require parameters if not using default AWS environment vars
+
+    table = dynamodb.Table("movies")
+
+    movie = requests.get(
+        "https://www.omdbapi.com/?apikey="
+        + OMDB
+        + "&t="
+        + event["queryStringParameters"]["title"]
+        + "&y="
+        + event["queryStringParameters"]["year"]
+    )
+
+    if movie.json()["Response"] == "True":
+
+        # get item from database
+        items = table.get_item(
+            Key={"title": movie.json()["Title"], "year": movie.json()["Year"]}
+        )
+        return {"statusCode": 200, "body": json.dumps(items["Item"])}
+    elif (
+        movie.json()["Response"] == "False"
+        and movie.json()["Error"] == "Daily request limit reached!"
+    ):
+        return {"statusCode": 429, "body": "OMDB API request limit reached!"}
+    elif (
+        movie.json()["Response"] == "False"
+        and movie.json()["Error"] == "Movie not found!"
+    ):
+        return {"statusCode": 404, "body": "Movie Not Found!"}
+    else:
+        return {"statusCode": 520, "body": "Unknown Error!"}