class Pollution

Public Class Methods

new(token) click to toggle source

> Initialize the `Pollution` class and set the token variable.¶ ↑

# File lib/pollution.rb, line 11
def initialize(token)
        @token = token
end

Public Instance Methods

city(cityname) click to toggle source

> Returns the air pollution data of the given city or throws an error if the city wasn't found.¶ ↑

# File lib/pollution.rb, line 19
def city(cityname)
        data = JSON.parse(Net::HTTP.get('api.waqi.info', "/feed/#{cityname}/?token=#{@token}"))
        if data['status'] == 'error'
                raise data['data']
        else
                return data
        end
end

geo(latitude, longitude) click to toggle source

> Returns the air pollution data of the given coordinates.¶ ↑

# File lib/pollution.rb, line 45
def geo(latitude, longitude)
        data = JSON.parse(Net::HTTP.get('api.waqi.info', "/feed/geo:#{latitude};#{longitude}/?token=#{@token}"))
        if data['status'] == 'error'
                raise data['data']
        else
                return data
        end
end

here() click to toggle source

> Returns the air pollution data of the current location (IP Based).¶ ↑

# File lib/pollution.rb, line 32
def here
        data = JSON.parse(Net::HTTP.get('api.waqi.info', "/feed/here/?token=#{@token}"))
        if data['status'] == 'error'
                raise data['data']
        else
                return data
        end
end

map(latitude_min, longitude_min, latitude_max, longitude_max) click to toggle source

> Returns the air pollution data of the area between the given coordinates. This method takes 4 arguments: Latitude 1, Longitude 1, Latitude 2, Longitude 2.¶ ↑

# File lib/pollution.rb, line 58
def map(latitude_min, longitude_min, latitude_max, longitude_max)
        latlng = latitude_min.to_s + longitude_min.to_s + latitude_max.to_s + longitude_max.to_s
        data = JSON.parse(Net::HTTP.get('api.waqi.info', "/map/bounds/?token=#{@token}&latlng=#{latlng}"))
        if data['status'] == 'error'
                raise data['data']
        else
                return data
        end
end

search(keyword) click to toggle source

> Returns data about stations near the searched keyword.¶ ↑

# File lib/pollution.rb, line 72
def search(keyword)
        data = JSON.parse(Net::HTTP.get('api.waqi.info', "/search/?keyword=#{keyword}&token=#{@token}"))
        if data['status'] == 'error'
                raise data['data']
        else
                return data
        end
end