app/models/agents/user_location_agent.rb

@@ -13,6 +13,8 @@ module Agents

                         Your POST path will be `https://#{ENV['DOMAIN']}/users/#{user.id}/update_location/:secret` where `:secret` is specified in your options.
              

                 
              

                         If you want to only keep more precise locations, set `max_accuracy` to the upper bound, in meters. The default name for this field is `accuracy`, but you can change this by setting a value for `accuracy_field`.
              

                +
              

                +        If you want to require a certain distance traveled, set `distance` to the minimum distance, in meters. Note that GPS readings and the measurement itself aren't exact, so don't rely on this for precision filtering.
              

                       MD
              

                     end
              

                 
              

spec/models/agents/user_location_agent_spec.rb

@@ -5,7 +5,8 @@ describe Agents::UserLocationAgent do

                     @agent = Agent.build_for_type('Agents::UserLocationAgent', users(:bob),
              

                                                   :name => 'something',
              

                                                   :options => { :secret => 'my_secret',
              

                -                                    :max_accuracy => '50' })
              

                +                                    :max_accuracy => '50',
              

                +                                    :distance => '50' })
              

                     @agent.save!
              

                   end
              

                 
              
@@ -90,4 +91,32 @@ describe Agents::UserLocationAgent do

                     expect(@agent.events.last.lat).to eq(45)
              

                     expect(@agent.events.last.lng).to eq(123)
              

                   end
              

                +
              

                +  it 'does create an event when far enough' do
              

                +    @agent.memory["last_location"] = { 'longitude' => 12, 'latitude' => 34, 'something' => 'else' }
              

                +    event = Event.new
              

                +    event.agent = agents(:bob_weather_agent)
              

                +    event.created_at = Time.now
              

                +    event.payload = { 'longitude' => 123, 'latitude' => 45, 'something' => 'else' }
              

                +
              

                +    expect {
              

                +      @agent.receive([event])
              

                +    }.to change { @agent.events.count }.by(1)
              

                +
              

                +    expect(@agent.events.last.payload).to eq({ 'longitude' => 123, 'latitude' => 45, 'something' => 'else' })
              

                +    expect(@agent.events.last.lat).to eq(45)
              

                +    expect(@agent.events.last.lng).to eq(123)
              

                +  end
              

                +
              

                +  it 'does not create an event when too close' do
              

                +    @agent.memory["last_location"] = { 'longitude' => 123, 'latitude' => 45, 'something' => 'else' }
              

                +    event = Event.new
              

                +    event.agent = agents(:bob_weather_agent)
              

                +    event.created_at = Time.now
              

                +    event.payload = { 'longitude' => 123, 'latitude' => 45, 'something' => 'else' }
              

                +
              

                +    expect {
              

                +      @agent.receive([event])
              

                +    }.to change { @agent.events.count }.by(0)
              

                +  end
              

                 end