harry-anderson/simple-social-network

Simple social network using SAM + Rust Lambda + DynamoDB

Simple social network

A simple social network backend REST API with persistent data.

Overview

I'm using AWS serverless application model and (1) rust lambda function to implement the API.

Data model

I'm using AWS Dynamodb as a database and single table design to store and retrieve relational data.

DynamoDB main table

DynamoDB global secondary index 1

API

Create User

curl --request POST \
  --url $BASE_URL/user/create \
  --header 'Content-Type: application/json' \
  --data '{ "user_id": "harry", "password": "pass123" }'

Create Story

curl --request POST \
  --url $BASE_URL/story/create \
  --header 'Content-Type: application/json' \
  --data '{ "user_id": "harry", "content": "first story" }'

Create Comment

curl --request POST \
  --url $BASE_URL/comment/create \
  --header 'Content-Type: application/json' \
  --data '{ "user_id": "harry", "story_id": "<STORY_ID>", "content":"A comment" }'

List Stories for User

curl --request GET \
  --url $BASE_URL/stories/harry

List Comments for Story

curl --request GET \
  --url $BASE_URL/comments/<STORY_ID>

Delete Comment

curl --request POST \
  --url $BASE_URL/comment/delete \
  --header 'Content-Type: application/json' \
  --data '{ "comment_id": "<COMMENT_ID>", "story_id": "<STORY_ID>" }'

Delete Story

curl --request POST \
  --url $BASE_URL/story/delete \
  --header 'Content-Type: application/json' \
  --data '{ "user_id": "harry", "story_id": "<STORY_ID>" }'

Delete User

curl --request POST \
  --url $BASE_URL/user/delete \
  --header 'Content-Type: application/json' \
  --data '{ "user_id": "harry" }'

Development

# build and deploy
sam build
sam deploy

#logs
sam logs --stack-name <stackname> --name <FnName>