added 260907 version of worker toolkit

worker-toolkit-flaredown/repo/backend/app/models/tracking.rb

@@ -0,0 +1,63 @@
+# == Schema Information
+#
+# Table name: trackings
+#
+#  id             :integer          not null, primary key
+#  user_id        :integer
+#  trackable_id   :integer
+#  trackable_type :string
+#  start_at       :date
+#  end_at         :date
+#  color_id       :integer
+#  created_at     :datetime         not null
+#  updated_at     :datetime         not null
+#
+
+class Tracking < ActiveRecord::Base
+  #
+  # Associations
+  #
+  belongs_to :user
+  belongs_to :trackable, polymorphic: true
+
+  #
+  # Validations
+  #
+
+  TYPES = %w[Condition Symptom Treatment].freeze
+
+  validates :user, :trackable, :start_at, presence: true
+
+  validates :trackable_type, inclusion: {
+    in: TYPES
+  }
+
+  validates :user_id, uniqueness: {
+    scope: %i[trackable_id trackable_type start_at], message: "is already tracking this trackable"
+  }
+
+  #
+  # Scopes
+  #
+  scope :active_at, ->(at) { where("start_at <= :at AND (end_at >= :at OR end_at IS NULL)", at: at.strftime("%F")) }
+  scope :by_trackable_type, ->(trackable_type) { where(trackable_type: trackable_type) }
+
+  #
+  # Callbacks
+  #
+  before_create :ensure_color_id
+
+  def self.active_in_range(range_start, range_end)
+    where(
+      "(start_at <= :range_start OR start_at <= :range_end) AND (end_at > :range_start OR end_at IS NULL)",
+      range_start: range_start.strftime("%F"),
+      range_end: range_end.strftime("%F")
+    )
+  end
+
+  def ensure_color_id
+    return if color_id
+
+    self.color_id = Flaredown::Colorable.color_id_for(trackable, user)
+  end
+end