Crime library

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Introduction

Package to make Crime data requests, this API lets you retrieve crime information from 30+ cities across the US and LATAM. The API exposes four methods to retrieve raw crime date, crime statistics, crime coverage information, and crowdsourced crime data.

It's implementing the methods from the following known Crime data API provider crimeometer.com.

It has a FREE API key for testing purposes that can be found in the previous link. Contact the API provider to get more information about unlimited requests and their prices.

Installation

dependencies:
  crime: 0.1.2

Example

See example/main.dart

import 'package:crime/crime.dart';

void main() async {
  try {
    const String API_KEY = "XXXXXXXXXXXXXXX"; // Your private API Key.

    final Crime crime = Crime(apiKey: API_KEY);

    final CrimeRawIncidents crimeIncidents = await crime.getCrimeIncidents(
      37.773972,
      -122.431297,
      "50mi",
      DateTime(2021, 1, 1),
      DateTime(2021, 2, 7),
    );

    crimeIncidents.incidents?.forEach((CrimeRawData crimeData) {
      print(
          "Crime incident [${crimeData.incidentOffense}] at [${crimeData.cityKey}]");
    });
  } catch (e) {
    print(e);
  }
}

Methods

Constructor

Library crime class constructor, includes a mandatory parameter to set the apiKey.

Crime({this.apiKey});

getCrimeCoverageData

Method to fetch crime coverage data from the cities of the U.S, and a few cities in LATAM: Sao Paulo (Brazil), Rio de Janeiro (Brazil), Buenos Aires (Argentina), Santiago (Chile), Montevideo (Uruguay), León (Mexico) and others.

Future<List<CrimeCoverage>> getCrimeCoverageData();

getCrimeIncidents

A method to obtain crime incident data from a specific location, over a range of distance, and over a period of time.

Future<CrimeRawIncidents> getCrimeIncidents(double latitude, double longitude, String distance, DateTime startDateTime, DateTime endDateTime, {int page = 1});

getCrimeStats

Method to fetch crime statistics from a specific location, over a range of distance, and over a period of time.

Future<CrimeStats> getCrimeStats(double latitude, double longitude, String distance, DateTime startDateTime, DateTime endDateTime, {int source = 1});

getCrowdsourcedCrimeIncidents

A method to obtain unofficial crime incident data from a specific location, over a range of distance, and over a period of time. This information is collected from the community through CityCop app.

Future<CrimeCrowdIncidents> getCrowdsourcedCrimeIncidents(double latitude, double longitude, String distance, DateTime startDateTime, DateTime endDateTime, {int page = 1});

Responses

CrimeCoverage

Attribute Type Description
cityName String The name of the city.
incidentsQuantity int The amount of incidents.
cityKey String The key value of the city.
firstIncidentDate DateTime The date of the first incident.
lastIncidentDate DateTime The date of the last incident.

CrimeRawIncidents

Attribute Type Description
totalIncidents int Total number of incidents.
totalPages int Total number of pages for the request.
incidents List<CrimeRawData> List of incidents.

CrimeRawData

Attribute Type Description
cityKey String City code in UN/LOCODE standard.
incidentCode String Incident code provided by the source.
incidentDate DateTime Incident occurred date (aprox.).
incidentOffense String Incident offense type using FBI-NIBRS standard.
incidentOffenseCode String Incident offense code using FBI-NIBRS standard.
incidentOffenseDescription String Incident offense sub type using FBI-NIBRS standard.
incidentOffenseDetailDescription String Incident detail description.
incidentOffenseCrimeAgainst String Incident against Person/Property/Society/Not a Crime.
incidentOffenseAction String Incident action status (Commited/Attempted).
incidentSourceOriginalType String Type of incident from the original source.
incidentSourceName String Incident source name.
incidentLatitude double Incident latitude.
incidentLongitude double Incident longitude.
incidentAddress String Incident address (approximate in some cases).

CrimeCrowdIncidents

Attribute Type Description
totalIncidents int Total number of incidents.
totalPages int Total number of pages for the request.
incidents List<CrimeRawCrowdData> List of incidents.

CrimeRawCrowdData

Attribute Type Description
incidentCode String Incident code provided by the source.
incidentLatitude double Incident latitude.
incidentLongitude double Incident longitude.

CrimeStats

Attribute Type Description
totalIncidents int Total number of incidents.
reportTypes List<CrimeReportType> List of incidents offenses.

CrimeReportType

Attribute Type Description
type String Incident offense description.
count int Total number of incidents by offense description.

Exceptions

  • MandatoryApiKeyException: missing mandatory API Key.
  • ForbiddenRequestException: Forbidden resource, API Key has been deactivated.
  • LimitExceededRequestException: Too many requests in a short time.

Dependencies

http: ^0.13.1
intl: ^0.17.0

License

BSD 3-Clause License

Libraries

crime
Package to make Crime data requests, this api lets you retrieve crime information from 30+ cities across the US and LATAM. The api exposes four methods to retrieve raw crime date, crime statistics, crime coverage information and crime crowsourced data.