WishlistService

This service is a final project for Cloud Computing Course in Afeka College of Engineering.

Team

• Omri Shapira - Team Leader - 203554720
• Gal Odentz - 205892250
• Alon Bukai - 305347007

Service Description

A simple Spring Boot service to give a user a way to manage and create a Wishlist of products she/he wishes to buy.

The service is not reactive, uses MongoDB as a Database and Spring Boot web.

Installation

• Run the MongoDB local database with the following command (using Docker): docker run --name mongotest -p 27017:27017 -d mongo
• Clone the repo: git clone https://github.com/Omrisha/WishlistService
• in application.properties set kafka topic in the following attribute spring.cloud.stream.bindings.input-consumer.destination
• Run Kafka Environment from the Instructions written below.
• This service relies on other services (ShoppingCatalogService, UserManagementService, ProductCouponService):
  • Download the required services
  • unpack them
  • run any other environment requirements that they require (database, other services)
  • run these services
  • in UserManagementService create a user using its required API (/users)
  • in ShoppingCatalogService create a product and category using (/shopping/categories, /shopping/products)
  • if there's no rating for specific product in ProductCouponService its rating will be -1
• in application.properties config the address and port of the services:
  • ShoppingCatalogService - usersService=http://localhost:8082/users
  • UserManagementService - productsService=http://localhost:8083/shopping
  • ProductCouponService - reviewsService=http://localhost:8085/reviews
• In IntelliJ:
  • Open project in IntelliJ (Open project menu or import from git menu)
  • After opening let gradle built and make the project.
  • Run (Play button)
• In Eclipse:
  • Open project in Eclipse (File -> Import -> Import existing Gradle Project menu)
  • After opening let gradle built and make the project.
  • Run (Run as Spring Boot App)
• Open http://localhost:{port you defined in application.properties}/swagger-ui.html in your browser.

Kafka Instructions (macOS/ Linux)

• Use Kafka's quick guide from here: https://kafka.apache.org/quickstart or
• Download From https://apache.mivzakim.net/kafka/2.7.0/kafka_2.13-2.7.0.tgz
• Open Terminal
• Type tar -xzf kafka_2.13-2.7.0.tgz
• Type cd kafka_2.13-2.7.0
• Start Zookeeper: bin/zookeeper-server-start.sh config/zookeeper.properties
• Open another tab of command line/ Windows Powershell/ Windows Terminal / Terminal (for mac or linux)
• Start Kafka server: bin/kafka-server-start.sh config/server.properties
• Open another tab of command line/ Windows Powershell/ Windows Terminal / Terminal (for mac or linux)
• To start sending events type bin/kafka-console-producer.sh --topic t1 --bootstrap-server localhost:9092
• Then on the prompt ">" send the wishlist json like: {"user": {"email":"[email protected]"}, "name":"My awesome things"}

Kafka Instructions (Windows)

• Use Kafka's quick guide from here: https://kafka.apache.org/quickstart or
• Download From https://apache.mivzakim.net/kafka/2.7.0/kafka_2.13-2.7.0.tgz
• Open Command Prompt/ Windows Powershell/ Windows Terminal
• Type tar -xzf kafka_2.13-2.7.0.tgz
• Type cd kafka_2.13-2.7.0
• Start Zookeeper: .\bin\windows\zookeeper-server-start.bat .\config\zookeeper.properties
• Open another tab of Command Prompt/ Windows Powershell/ Windows Terminal
• Start Kafka server: .\bin\windows\kafka-server-start.bat .\config\server.properties
• Open another tab of command line/ Windows Powershell/ Windows Terminal
• To start sending events type .\bin\windows\kafka-console-producer.bat --topic t1 --bootstrap-server localhost:9092
• Then on the prompt ">" send the wishlist json like: {"user": {"email":"[email protected]"}, "name":"My awesome things"}

Kafka Insturctions (Docker)

• Open Command Prompt/ Windows Powershell/ Windows Terminal / Terminal
• navigate to the WishlishService Root folder
• type: docker-compose up
• Open another instance of Command Prompt/ Windows Powershell/ Windows Terminal / Terminal
• (Windows) To start sending events type .\bin\windows\kafka-console-producer.bat --topic t1 --bootstrap-server localhost:9092
• (macOS/ Linux) To start sending events type bin/kafka-console-producer.sh --topic t1 --bootstrap-server localhost:9092
• Then on the prompt ">" send the wishlist json like: {"user": {"email":"[email protected]"}, "name":"My awesome things"}

JSON Structure

• List: user - represent the user that the list belongs to by id (email). name - the list name id - unique id for the list products - list of products in the wishlist
• Product: id - unique id for the list name - product name rating - how users rate the product (can be acheived from Products Reviews Management Service).

JSON Example

• List boundary when using GET methods

{
    "name": "My Wishlist",
    "user": {
        "email":"[email protected]"
    },
    "products" : [
        {
           "id": "42",
           "name": "Groot",
           "rating": 9,
           "price": 94,
           "image": "groot.jpeg",
           "details": {
                    "manufacturer":  "Marvel",
                    "collectable": true
            },
           "category": {
                    "name":  "Toys",
                    "description":  "Super heros"
            }
        },
        {
           "id": "564",
           "name": "Baby Yoda",
           "rating": 3,
           "price": 122,
           "image": "grogu.jpeg",
           "details": {
                    "manufacturer":  "Star Wars",
                    "collectable": true
            },
           "category": {
                    "name":  "Toys",
                    "description":  "Super heros"
            }
        }
     ]
}

• List JSON when creating new list

{
 "user": {
  "email": "[email protected]"
 },
 "name": "My Awesome things"
}

• product JSON example for POST/PUT methods

{
 "productId": 526
}

• product JSON example for GET methods

{
   "id": "42",
   "name": "Groot",
   "rating": 9,
   "price": 94,
   "image": "groot.jpeg",
   "details": {
        "manufacturer":  "Marvel",
        "collectable": true
    },
   "category": {
        "name":  "Toys",
        "description":  "Super heros"
    }
}

API Specification

• POST /wishlist

  • Get new wishlist details and creates it in the DB if not exist already.
  • If the user is not exist in UserManagementService the service will return status code 400.

• GET /wishlist/{email}/{wishlistName}

  • Get wishlist data by its name.
  • If not exist will return status code 404.

• PUT /wishlist/{email}/{wishlistName}

  • Add new product to wishlist by its name and specific user.
  • To get product rating we will interface the Products Reviews Management Service.
  • If there's no rating the value will be -1.
  • If there's no wishlist with the same name for the user it will return status code 404.

• GET /wishlist?filterBy=productId&filterValue={productId}&sortBy={sortAttrEnum}&sortOrder={sortOrderEnum}&size={size}&page={page}

  • Get all wishlist for the user specified by the email and ordered. Order details below.

• GET /wishlist?filterBy=customerEmail&filterValue={customerEmail}&&sortBy={sortAttrEnum}&sortOrder={sortOrderEnum}&size={size}&page={page}

  • Get all wishlist by specific order. Order details below.

• DELETE /wishlist

  • delete all wishlists in the database

• sortAttrEnum can be:

  • user - sort alphabetically by user email
  • name - sort alphabetically by list name

• sortOrderEnum can be:

  • ASC - Ascending order
  • DESC - Descending order

API Interfacing

• ShoppingCatalogService - https://github.com/Omrisha/ShoppingCatalogService
• UserManagementService - https://github.com/Omrisha/user-management-service + https://github.com/Omrisha/dummy-storage-service
• ProductCouponService