Implement simple points reducer

app/services/points_reduce.rb

@@ -0,0 +1,51 @@
+# frozen_string_literal: true
+
+class PointsReduce
+  DISTANCE_THRESHOLD = 50 # meters
+  TIME_THRESHOLD = 10 # seconds
+
+  def initialize(points, distance_threshold: DISTANCE_THRESHOLD, time_threshold: TIME_THRESHOLD)
+    @points = points
+    @distance_threshold = distance_threshold
+    @time_threshold = time_threshold
+  end
+
+  def call
+    simplify_route
+  end
+
+  private
+
+  def simplify_route
+    # Array to store the simplified points
+    reduced_points = [@points.first]
+    previous_point = @points.first
+    previous_time = previous_point.timestamp
+
+    @points.each_with_index do |current_point, index|
+      next if index.zero? # Skip the first point
+
+      current_time = current_point.timestamp
+      time_diff = current_time - previous_time
+      distance = distance_between_points(
+        previous_point.latitude,
+        previous_point.longitude,
+        current_point.latitude,
+        current_point.longitude
+      )
+
+      # Add the point if it's far enough in distance or time
+      next unless distance >= @distance_threshold || time_diff >= @time_threshold
+
+      reduced_points << current_point
+      previous_point = current_point
+      previous_time = current_time
+    end
+
+    [@points - reduced_points].flatten.each(&:destroy)
+  end
+
+  def distance_between_points(lat1, lon1, lat2, lon2)
+    Geocoder::Calculations.distance_between([lat1, lon1], [lat2, lon2], units: :km) * 1000 # distance in meters
+  end
+end