Refactor dailies and energy prices

app/models/archive.rb

@@ -1,5 +1,7 @@
 class Archive < ApplicationRecord
   self.table_name = "archive"
 
-  scope :by_date, ->(date) { where(created_at: date.all_day).order(created_at: :asc) }
+  delegate :hour, to: :datetime
+
+  scope :by_date, ->(date) { where(datetime: date.all_day).order(datetime: :asc) }
 end

app/models/dailies/energy_price_export.rb

@@ -0,0 +1,35 @@
+module Dailies
+  class EnergyPriceExport < Daily
+    self.table_name = "daily_energy_price_export"
+
+    validates :max, presence: true, numericality: true
+    validates :maxhour, presence: true, numericality: {
+      only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 23
+    }
+    validates :min, presence: true, numericality: true
+    validates :minhour, presence: true, numericality: {
+      only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 23
+    }
+    validates :avg, presence: true, numericality: true
+
+    def compute_max
+      EnergyPrice.by_date(date).maximum(:export)
+    end
+
+    def compute_maxhour
+      EnergyPrice.by_date(date).max_by(&:export).try(:datetime).try(:hour)
+    end
+
+    def compute_min
+      EnergyPrice.by_date(date).minimum(:export)
+    end
+
+    def compute_minhour
+      EnergyPrice.by_date(date).min_by(&:export).try(:datetime).try(:hour)
+    end
+
+    def compute_avg
+      EnergyPrice.by_date(date).average(:export).try(:round, 4)
+    end
+  end
+end

app/models/dailies/energy_price_import.rb

@@ -0,0 +1,35 @@
+module Dailies
+  class EnergyPriceImport < Daily
+    self.table_name = "daily_energy_price_import"
+
+    validates :max, presence: true, numericality: true
+    validates :maxhour, presence: true, numericality: {
+      only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 23
+    }
+    validates :min, presence: true, numericality: true
+    validates :minhour, presence: true, numericality: {
+      only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 23
+    }
+    validates :avg, presence: true, numericality: true
+
+    def compute_max
+      EnergyPrice.by_date(date).maximum(:import)
+    end
+
+    def compute_maxhour
+      EnergyPrice.by_date(date).max_by(&:import).try(:datetime).try(:hour)
+    end
+
+    def compute_min
+      EnergyPrice.by_date(date).minimum(:import)
+    end
+
+    def compute_minhour
+      EnergyPrice.by_date(date).min_by(&:import).try(:datetime).try(:hour)
+    end
+
+    def compute_avg
+      EnergyPrice.by_date(date).average(:import).try(:round, 4)
+    end
+  end
+end

app/models/dailies/grid_energy_export.rb

@@ -0,0 +1,24 @@
+module Dailies
+  class GridEnergyExport < Daily
+    self.table_name = "daily_grid_energy_export"
+
+    validates :max, presence: true, numericality: { greater_than_or_equal_to: 0 }
+    validates :maxhour, presence: true, numericality: {
+      only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 23
+    }
+    validates :sum, presence: true, numericality: { greater_than_or_equal_to: 0 }
+
+    private
+
+    def group_by_hour
+      @group_by_hour ||= Archive.by_date(date).group_by(&:hour)
+    end
+
+    def sum_by_hour
+      @sum_by_hour ||= group_by_hour.transform_values do |archives|
+        archives.max_by(&:grid_energy_export).grid_energy_export -
+          archives.min_by(&:grid_energy_export).grid_energy_export
+      end
+    end
+  end
+end

app/models/dailies/grid_energy_import.rb

@@ -0,0 +1,15 @@
+module Dailies
+  class GridEnergyImport < Daily
+    self.table_name = "daily_grid_energy_import"
+
+    validates :max, presence: true, numericality: { greater_than_or_equal_to: 0 }
+    validates :maxhour, presence: true, numericality: {
+      only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 23
+    }
+    validates :min, presence: true, numericality: { greater_than_or_equal_to: 0 }
+    validates :minhour, presence: true, numericality: {
+      only_integer: true, greater_than_or_equal_to: 0, less_than_or_equal_to: 23
+    }
+    validates :sum, presence: true, numericality: { greater_than_or_equal_to: 0 }
+  end
+end

app/models/dailies/grid_power_export.rb

@@ -0,0 +1,16 @@
+module Dailies
+  class GridPowerExport < Daily
+    self.table_name = "daily_grid_power_export"
+
+    validates :max, presence: true, numericality: { only_integer: true, greater_than_or_equal_to: 0 }
+    validates :maxtime, presence: true
+
+    def compute_max
+      Archive.by_date(date).where("grid_power >= 0").maximum(:grid_power).try(:round, 2) || 0
+    end
+
+    def compute_maxtime
+      Archive.by_date(date).where("grid_power >= 0").max_by(&:grid_power).try(:datetime)
+    end
+  end
+end