Directory Watch

Utiltiy to monitor a directory for any addition of new files or deletion of new file.

API

• Fetch DirectoryWatch
• Fetch Global Constant
• Update Global Constant

Installation

• Execute the following command from the project directory

    > npm install

• DirectoryWatch uses light weight document based database (neDB). Hence no installation is required fro database.

API Schema

Fetch DirectoryWatch

Method : GET URL : http://ENDPOINT/Watch Params: magicString, directory

Fetch Global Constant

Method : GET URL : http://ENDPOINT/constants

Update Global Constant

Method : PUT URL : http://ENDPOINT/constants Content-type: Application/Json

{
    "magicString": "123",
    "directory":"/Users/tharun/Desktop/Interview/DirectoryWatch/utils/DirectoryWatch"
}

Database Schema Design

1. Global Constant

{
        "type": "String",
        "directory": "String",
        "magicString": "String",
        "lastrun": "String",
        "lastUpdated": "Number",
        "lastModifiedTime": "String",
        "_id": "String",
        "frequency": "Number"
    }

2. Directory Watch

 {
        "directory": "String",
        "magicString": "String",
        "timeStamp": "Number",
        "addedFiles": "Array",
        "deleteFiled": [],
        "currentFiles": [],
        "magicStringcount": "Number",
        "status": "String",
        "type": "String",
        "_id": "String"
    }

Known Issues

• Decided to go with light weight database nedb was a mistake, the data read and writes are inconsistent.
• Some cases the the write take more than 10 min. Due to time constraint couldn't perfrom end to end testing.