Fixing issues on #26

.gitignore

@@ -91,3 +91,7 @@ amplifyconfiguration.json
 amplify-build-config.json
 amplify-gradle-config.json
 amplifytools.xcconfig
+
+#Python APIs
+__pycache__/
+.pytest_cache/

README.md

@@ -7,4 +7,7 @@ to level 100(Introductory) and level 200 (Intermediate) cloud content.
 This repository holds the backend infrastructure for the 100DaysOfCloud.com website.
 
 ## SAM
-The template is written with SAM.
+The template is written with SAM.
+
+##Tests
+To Run the tests for APIs just run pytest -v from  the root. 

SAM/API/get_user_by_Id/get_user_by_Id.py

@@ -0,0 +1,76 @@
+import boto3
+from botocore.exceptions import ClientError
+import logging
+import json
+import os 
+
+dynamodb = boto3.resource('dynamodb',os.environ['AWS_REGION'])
+logging.basicConfig(
+    level=logging.INFO,
+    format=f'%(asctime)s %(levelname)s %(message)s'
+)
+
+logger = logging.getLogger()
+
+
+def lambda_handler(event, context):
+    """ 
+    A Lambda function used by the APIs from 100daysofcloud.com to get user details by Id
+
+    Parameters: 
+    event["queryStringParameters"]["username"] (string): 100daysofcloud user name
+
+    Returns: 
+    object: Returns user details from 100daysofcloud account if user is valid.
+
+    """
+
+
+    git_user=""
+    resp={}
+    status_code=404
+
+
+
+    #checking if the query params from the API call has a username
+    if "username" in event["queryStringParameters"]:
+        git_user=event["queryStringParameters"]['username']
+
+    if git_user=="":
+        resp['message']='Please query for a valid user'
+        logger.error('Username in request found to be empty')
+    else:   
+        table = dynamodb.Table(os.environ['databaseName'])
+        resp=get_user_details_by_Id(table,git_user)
+
+    return {
+        'headers': {
+            'Access-Control-Allow-Headers': 'Content-Type',
+            'Access-Control-Allow-Origin': '*',
+            'Access-Control-Allow-Methods': 'OPTIONS,POST,GET'
+        },
+        'statusCode': status_code,
+        'body': json.dumps(resp)
+    }
+
+
+def get_user_details_by_Id(table,git_user):
+    resp={}
+    try:
+        #querying the dynamoDb with the primary key github_username
+        response = table.get_item(Key={'github_username': git_user})
+        #If there is an entry there exists a user with that username, return user details wrapped in an object 
+        if "Item" in  response:
+            resp= response['Item']
+            status_code=200
+        #If there is no 'Item' found in response it means that there was no data for that primary key and user does not exist    
+        else:
+             status_code=404   
+             resp['message']='User Not found'
+             logger.error('User '+str(git_user)+' not found')
+
+    except ClientError as e:
+        status_code=500
+        logger.error(e.response['Error']['Message'])
+        resp['message']=e.response['Error']['Message']
+    return resp    

test_API/test_get_user_by_Id/test_get_user_by_ID.py → SAM/test_API/test_get_user_by_Id/test_get_user_by_ID.py

@@ -2,9 +2,7 @@
 from moto import  mock_dynamodb2
 import boto3
 import pytest
-
-
-
+from API.get_user_by_Id import get_user_by_Id
 
 
 @pytest.fixture(scope='function')
@@ -52,5 +50,7 @@ def dynamodb_table(dynamodb):
 def test_get_user_by_ID(dynamodb,dynamodb_table):
     table=dynamodb_table
     table.put_item(Item={"github_username":'johndoe'})
-    response = table.get_item(Key={'github_username': 'johndoe'})
-    assert len(response['Item']) > 0    
+    #response = table.get_item(Key={'github_username': 'johndoe'}) local test
+    response=get_user_by_Id.get_user_details_by_Id(table,'johndoe')
+    #assert True if 'github_username' in response else False
+    assert 'github_username' in  response