open311

0.0.12 • Public • Published

node-open311

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A Node.js module for interacting with the Open311 API (GeoReport v2). This module is more than a simple wrapper; it attempts to normalize the response from different Open311 endpoints' interpretation of the Open311 specification to return consistent results, regardless of implementation or format:

  • All responses are returned as native javascript objects/arrays
  • XML-only endpoints are parsed into native javascript objects/arrays that are consistent with JSON results
  • Invalid responses (e.g. malformed JSON that some endpoints may return), are cleaned up and returned as native javascript objects/arrays

Installation

npm install open311

Brief Example

var Open311 = require('open311');
    
// Example Open311 Server: City of Baltimore 
// More options here: http://wiki.open311.org/GeoReport_v2/Servers
var options = {
  endpoint     : "http://311.baltimorecity.gov/open311/v2/",
  jurisdiction : "baltimorecity.gov"
};
    
// Create a new Open311 object.
var baltimore = new Open311(options);
    
// Call serviceRequest with service_request_id
// to get the status of a specific service request.
baltimore.serviceRequest('12-00677322', function(err, data){ 
  console.log(data); // do something with the data!
});

Usage

new Open311(options)

To use this library, you must instantiate a new Open311 object: var open311 = new Open311(options).

You can construct by passing a string that corresponds to the id of a city that is defined in the cities.json file.

e.g. var baltimore = new Open311('baltimore');

Or, you can pass individual options, including:

  • endpoint: the URL of the Open311 server; required for all methods except Open311.serviceDiscovery()
  • jurisdiction: (optional) the jurisdiction_id for a given city, if required
  • discovery: the URL Service Discovery; required if using Open311.serviceDiscovery() method
  • format: the format data should be requested in; only required for XML-only Open311 servers (default: json)
  • apiKey: your API key; required if using Open311.submitServiceRequest() method

All methods use the standard callback(err, data) format.

serviceDiscovery([options], callback)

Fetches a city's Service Discovery listing that has URLs of Open311 servers. (Standard: Service Discovery)

Optional options:

  • cache: if true the fetched endpoints will set/overwrite the endpoint URL of the Open311 object (default: false)
  • type: when caching, sets the test or production endpoint server (default: production)
  • specification: when caching, sets the matching API specification of the endpoint server (default http://wiki.open311.org/GeoReport_v2);
  • index: (optional) when caching, if the Service Discovery list multiple servers with identical production/specification settings, this is the index of the resulting matched servers (default: 0)
var baltimore = new Open311({
  discovery: "http://311.baltimorecity.gov/open311/discovery.json"
});
 
// Make the API call
baltimore.serviceDiscovery({
  cache: true,
  type: "production"
}, function(err, data) {
  // `data` contains the content of the Service Discovery
  // `baltimore.endpoint` should now be set because 
  //  we set `cache: true`
});

serviceList(callback)

Fetches a list of acceptable 311 service request types and their associated service codes. (Standard: GET Service List)

// an example with Washington, DC, which is an XML-only endpoint
var dc = new Open311({
  "endpoint": "http://app.311.dc.gov/CWI/Open311/v2/",
  "format": "xml",
  "jurisdiction": "dc.gov"
});
 
// Make the API call
dc.serviceDiscovery(function(err, data) {
  // `data` contains a javascript array of javascript objects
});

serviceDefinition(service_code, callback)

Fetches attributes associated with a service code. Those attributes may be required when submitting a new Service Request (Standard: GET Service Definition )

service_code is the string/number returned from an entry in Open311.serviceList()

submitRequest(data, callback)

Submit a service request. (Standard: POST Service Request)

According to the Open311 specification, data must include:

  • service_code

  • lat & long OR address_string OR address_id: the specification is wiggly here, but lat/long is near universally required (despite the "OR")

  • attributes (see Open311.serviceDefinition) set with the key attribute[<code>] OR assign data.attributes to be an object with key/values: e.g. Submitting this:

    data = {
      "service_code": "ABANDONED_VEHICLE",
      "lat": 12.345,
      "long": 67.890,
      "attributes": {
        "license_plate": "A234567",
        "color": "blue"
      }
    }

    ...will result in the appropriate and standard-compliant attributes being constructed:

    data = {
      "service_code": "ABANDONED_VEHICLE",
      "lat": 12.345,
      "long": 67.890,
      "attribute[license_plate]": "A234567",
      "attribute[color]": "blue"
    }

token(token, callback)

Fetches the service_request_id from a temporary token that was received when submitting a Service Request. This is unnecessary if the response from creating a service request does not contain a token. (Standard: GET service_request_id from a token)

token should either be a string or number.

serviceRequests([[service_request_ids]], [params], callback)

Fetch a list of existing service requests based on query parameters (Standard: GET Service Requests)

Optional params might include those on the existing standard, such as:

  • service_request_id: a comma delimited list of service_request_ids to fetch... or you can submit a javascript array of them as the first argument and they will be formatted correctly in the parameters
  • service_code: filter the by the service request's service_code
  • start_date / end_date: filter by the earliest/latest requested_datetime (when the request was submitted).
  • status: filter by the status (open/closed)

Or params might include those not on the standard but widely supported, such as:

  • page and page_size: for paging through results

serviceRequest(service_request_id, callback)

Fetches an individual request by its service_request_id. (Standard: GET Service Request).

Note that this is just an alias to Open311.serviceRequests, so instead of submitting a single string/numerical service_request_id, you can submit an array of them of multiple service_request_ids too.

e.g. you can do any of these:

// as a string
baltimore.serviceRequest('12-00677322', function(err, data){ 
  console.log(data); // do something with the data!
});

OR

// as an array
baltimore.serviceRequest(['12-00677322'], function(err, data){ 
  console.log(data); // do something with the data!
});

OR

// as an even BIGGER array
baltimore.serviceRequest(['12-00677322', '12-00677323'], function(err, data){ 
  console.log(data); // do something with the data!
});

OR

// as a comma separated query parameter
// ...but why would you ever want to do that?
baltimore.serviceRequest({
  service_request_id: "12-00677322,12-00677323"
}, function(err, data){ 
  console.log(data); // do something with the data!
});

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npm i open311

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