legalthings/data-enricher

Enrich objects by processing special properties

Data enricher

, _(*1)

Enrich objects by processing special properties known as data instruction., _(*2)

• <ref> - Resolve a reference to another part of the document using a dot key path
• <ifset> - Checks if a reference is null. If so, replace the object by null.
• <switch> - Choose one of the child properties based on a property in the document
• <src> - Load an external resource (through HTTP)
• <merge> - Merge a set of objects
• <enrich> - Enrich an object with extra data by matching properties
• <tpl> - Parse text as Mustache template
• <transform> - Transform the input using a function. The following functions are available You can pass in a string with the following format <function>:<arg> Alternatively you can pass in an object to pass multiple args { function: <string>, args: [...] }
  • hash:algo - Replace algo with the algoritm
  • hash_hmac
  • base64_encode
  • base64_decode
  • json_encode
  • json_decode
  • serialize
  • unserialize
  • strtotime
  • date
  • public_encrypt
  • private_encrypt
  • private_decrypt
  • generate_private_key
  • generate_public_key
  • generate_signature
  • verify_signature
• <jmespath> - Project an object using the JMESPath query language
• <dateformat> - Takes a date and a format (defaults to Y-m-d) and formats the accordingly. Optionally you can set the timezone if you wish to output timezone information.

Installation

composer require legalthings/data-enricher

Usage

Source

{
  "foo": {
    "bar": {
      "qux": 12345,
    },
    "term": "data enrichment",
    "city": "Amsterdam",
    "country": "Netherlands"
  },
  "amount": {
    "<ref>" : "foo.bar.qux"
  },
  "message": {
    "<tpl>": "I want to go to {{ foo.city }}, {{ foo.country }}"
  },
  "shipping": {
    "<switch>": "foo.country",
    "USA": "UPS",
    "Netherlands": "PostNL",
    "_other": "DHL"
  },
  "user" : {
    "<src>": "https://api.example.com/users/9870"
  },
  "search_results": {
    "<src>": {
      "<tpl>": "http://api.duckduckgo.com/?q={{ foo.term }}&format=json"
    },
    "<jmespath>": "RelatedTopics[].{url: FirstURL, description: Text}"
  },
  "profile": {
    "<merge>": [
      { "<ref>": "foo.bar" },
      { "<src>": "https://api.example.com/zoo/99" },
      {
        "apples": 100,
        "pears": 220
      }
    ]
  }
}

PHP script

$json = file_get_contents('source.json');
$object = json_decode($json);

$enricher = new DataEnricher();
$enricher->applyTo($object);

echo json_encode($object, JSON_PRETTY_PRINT);

Result

{
  "foo": {
    "bar": {
      "qux": 12345,
    },
    "term": "data enrichment",
    "city": "Amsterdam",
    "country": "Netherlands"
  },
  "amount": 12345,
  "message": "I want to go to Amsterdam, Netherlands",
  "shipping": "PostNL",
  "user" : {
    "id": "9870",
    "name": "John Doe",
    "email": "john@example.com"
  },
  "search_results": [
    {
      "url": "https://duckduckgo.com/Names_Database",
      "description": "Names Database - The Names Database is a partially defunct social network, owned and operated by Classmates.com, a wholly owned subsidiary of United Online. The site does not appear to be significantly updated since 2008, and has many broken links and display issues."
    },
    {
      "url": "https://duckduckgo.com/c/Tor_hidden_services",
      "description": "Tor hidden services"
    },
    {
      "url": "https://duckduckgo.com/c/Internet_privacy_software",
      "description": "Internet privacy software"
    }
  ],
  "profile": {
    "qux": 12345,
    "zoop": "P99",
    "zooq": "Q99",
    "apples": 100,
    "pears": 220
  }
}