distributed-coupon-system

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distributed-coupon-system

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A scalable, distributed, spring-boot based coupon system

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# distributed-coupon-system

This is a scalable, maintainable backend service.

It is mainly developed by SpringBoot, HBase, kafka to build a pipeline which can handle high concurrency with low latency.

## Installation

It use maven to manage dependencies.
```bash
Please use your Idea to import this project based on Maven
```

## Merchants Table Design

| Attribute            | Unique |
|----------------------|--------|
| name                 | Y      |
| logo_url             | N      |
| business_license_url | N      |
| phone                | N      |
| address              | N      |

## Coupons Table Design

| name       | desc                           | unique |
|------------|--------------------------------|--------|
| id         | the id of belonging merchants  | N      |
| title      | the title of coupon            | Y      |
| summary    |                                | N      |
| desc       |                                | N      |
| limit      | the limit number of coupon     | N      |
| has_token  |                                | N      |
| background | the background color of coupon | N      |
| start      | the start time of coupon       | N      |
| end        | the end time of coupon         | N      |

## Design of the system

![Alt text](https://github.com/monpro/distributed-coupon-system/blob/master/images/project_design.png)

## Design of the cache layer

![Alt text](https://github.com/monpro/distributed-coupon-system/blob/master/images/cache_layer.jpg)

## upload token of pass templates

```bash
GET: 127.0.0.1:9528/upload
merchantsId - 12
PassTemplateId: e3ec06eaacb2f1dca901556991df7bb0
```

## Create User
```bash
POST: 127.0.0.1:9528/passbook/createuser
   {
       "baseInfo": {
           "name": "monpro",
           "age": 10,
           "sex": "m"
       },
       "otherInfo": {
           "phone": "1234567890",
           "address": "sydney"
       }
   }
```

## Get inventory Info
```bash
GET: 127.0.0.1:9528/passbook/inventoryinfo?userId=109452
```

## Get Pass Template with token
```bash
GET: 127.0.0.1:9528/passbook/gainpasstemplate
{
    "userId": 109452,
    "passTemplate": {
        "id": 12,
        "title": "test coupule 2",
        "hasToken": true
    }
}
```

## User Operation
```bash
 userpassinfo
   GET: 127.0.0.1:9528/passbook/userpassinfo?userId=109452
 userusedpassinfo
   GET: 127.0.0.1:9528/passbook/userusedpassinfo?userId=109452
 userusepass
   POST: 127.0.0.1:9528/passbook/userusepass
   {
       "userId": 109452,
       "templateId": "e3ec06eaacb2f1dca901556991df7bb0"
   }
```

## Create feedback
```bash
POST: 127.0.0.1:9528/passbook/createfeedback
   {
       "userId": 109452,
       "type": "app",
       "templateId": -1,
       "comment": ""
   }
   {
       "userId": 109452,
       "type": "pass",
       "templateId": "e3ec06eaacb2f1dca901556991df7bb0",
       "comment": ""
   }
```

## Contributing
Currently only myself

But pull requests are welcome!

distributed-coupon-system

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