added 260907 version of worker toolkit

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

@@ -0,0 +1,63 @@
+class Post
+  include Topicable
+  include Usernameable
+
+  attr_accessor :postable_id
+
+  store_in collection: "postables"
+
+  field :body, type: String
+  field :title, type: String
+  field :_type, type: String, default: -> { self.class.name }
+
+  field :comments_count, type: Integer, default: 0
+  field :last_commented, type: DateTime, default: -> { Time.current }
+  field :comment_reaction_count, type: Integer, default: 0
+
+  validates :body, :title, presence: true
+
+  validate :topic_presence
+
+  has_many :comments, dependent: :destroy
+  has_many :reactions, as: :reactable, dependent: :destroy
+  has_many :notifications, as: :notificateable, dependent: :destroy
+
+  index(body: "text", title: "text")
+
+  def update_counters
+    set comment_reaction_count: comments_count + reactions.count
+  end
+
+  def self.fts(q)
+    where("$text": {"$search": q, "$language": I18n.locale.to_s})
+  end
+
+  def self.by_followings(followings)
+    any_of(
+      {:tag_ids.in => followings.tag_ids},
+      {:symptom_ids.in => followings.symptom_ids},
+      {:condition_ids.in => followings.condition_ids},
+      {:treatment_ids.in => followings.treatment_ids} # rubocop:disable Style/BracesAroundHashParameters
+    )
+  end
+
+  def self.frequency_by(topic_following)
+    where(_type: "Post")
+      .by_followings(topic_following)
+      .each_with_object({}) do |post, hash|
+        result_count = 0
+        %w[symptom_ids condition_ids tag_ids treatment_ids].each do |trackable|
+          result_count += (post.send(trackable) & topic_following.send(trackable)).count
+        end
+        hash[post.id] = result_count
+      end
+  end
+
+  private
+
+  def topic_presence
+    TOPIC_TYPES.each { |topic| return true if send(topic.pluralize).any? }
+
+    errors.add(:topics, "should have at least one of associated #{TOPIC_TYPES.join(",")}")
+  end
+end