Update Visits::Calculate to return only one visit per city per day

app/controllers/map_controller.rb

@@ -6,7 +6,7 @@ class MapController < ApplicationController
   def index
     @points = current_user.tracked_points.without_raw_data.where('timestamp >= ? AND timestamp <= ?', start_at, end_at).order(timestamp: :asc)
 
-    @countries_and_cities = CountriesAndCities.new(@points).call
+    @countries_and_cities = Visits::Calculate.new(@points).uniq_visits
     @coordinates =
       @points.pluck(:latitude, :longitude, :battery, :altitude, :timestamp, :velocity, :id)
              .map { [_1.to_f, _2.to_f, _3.to_s, _4.to_s, _5.to_s, _6.to_s, _7] }

app/services/visits/calculate.rb

@@ -9,6 +9,13 @@ def call
     normalize_result(city_visits)
   end
 
+  def uniq_visits
+    # Only one visit per city per day
+    call.flat_map do |country|
+      { country: country[:country], cities: country[:cities].uniq { [_1[:city], Time.at(_1[:timestamp]).to_date] } }
+    end
+  end
+
   private
 
   attr_reader :points

app/views/shared/_right_sidebar.html.erb

@@ -31,6 +31,7 @@
 
 <% if REVERSE_GEOCODING_ENABLED && @countries_and_cities&.any? %>
   <hr class='my-5'>
+  <h2 class='text-lg font-semibold'>Countries and cities</h2>
   <% @countries_and_cities.each do |country| %>
     <% next if country[:cities].empty? %>