Make reportable models discardable

app/models/answer.rb

@@ -1,4 +1,5 @@
 class Answer < ApplicationRecord
+  include Discard::Model
   extend Answer::TimelineMethods
 
   belongs_to :user
@@ -21,7 +22,7 @@ class Answer < ApplicationRecord
 
   before_destroy do
     # mark a report as deleted if it exists
-    rep = Report.where(target_id: self.id, type: 'Reports::Answer')
+    rep = Report.where(target_id: id, type: "Reports::Answer")
     rep.each do |r|
       unless r.nil?
         r.deleted = true

app/models/appendable.rb

@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class Appendable < ApplicationRecord
+  include Discard::Model
+
   belongs_to :parent, polymorphic: true
   belongs_to :user
 end

app/models/comment.rb

@@ -1,4 +1,6 @@
 class Comment < ApplicationRecord
+  include Discard::Model
+
   belongs_to :user
   belongs_to :answer
   validates :user_id, presence: true

app/models/question.rb

@@ -1,5 +1,6 @@
 class Question < ApplicationRecord
   include Question::AnswerMethods
+  include Discard::Model
 
   belongs_to :user, optional: true
   has_many :answers, dependent: :destroy

app/models/user.rb

@@ -12,6 +12,7 @@ class User < ApplicationRecord
   include User::RelationshipMethods
   include User::TimelineMethods
   include ActiveModel::OneTimePassword
+  include Discard::Model
 
   # Include default devise modules. Others available are:
   # :confirmable, :lockable, :timeoutable and :omniauthable

db/migrate/20220727174919_add_soft_deletes.rb

@@ -0,0 +1,9 @@
+class AddSoftDeletes < ActiveRecord::Migration[6.1]
+  def change
+    %i[answers appendables comments questions users].each do |table|
+      say "Migrating #{table}"
+      add_column table, :discarded_at, :datetime
+      add_index table, :discarded_at
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_07_20_190421) do
+ActiveRecord::Schema.define(version: 2022_07_27_174919) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -46,6 +46,8 @@ ActiveRecord::Schema.define(version: 2022_07_20_190421) do
     t.datetime "created_at"
     t.datetime "updated_at"
     t.integer "smile_count", default: 0, null: false
+    t.datetime "discarded_at"
+    t.index ["discarded_at"], name: "index_answers_on_discarded_at"
     t.index ["question_id"], name: "index_answers_on_question_id"
     t.index ["user_id", "created_at"], name: "index_answers_on_user_id_and_created_at"
   end
@@ -58,6 +60,8 @@ ActiveRecord::Schema.define(version: 2022_07_20_190421) do
     t.text "content"
     t.datetime "created_at", precision: 6, null: false
     t.datetime "updated_at", precision: 6, null: false
+    t.datetime "discarded_at"
+    t.index ["discarded_at"], name: "index_appendables_on_discarded_at"
     t.index ["parent_id", "parent_type"], name: "index_appendables_on_parent_id_and_parent_type"
     t.index ["user_id", "created_at"], name: "index_appendables_on_user_id_and_created_at"
   end
@@ -69,7 +73,9 @@ ActiveRecord::Schema.define(version: 2022_07_20_190421) do
     t.datetime "created_at"
     t.datetime "updated_at"
     t.integer "smile_count", default: 0, null: false
+    t.datetime "discarded_at"
     t.index ["answer_id"], name: "index_comments_on_answer_id"
+    t.index ["discarded_at"], name: "index_comments_on_discarded_at"
     t.index ["user_id", "created_at"], name: "index_comments_on_user_id_and_created_at"
   end
 
@@ -144,6 +150,8 @@ ActiveRecord::Schema.define(version: 2022_07_20_190421) do
     t.datetime "updated_at"
     t.integer "answer_count", default: 0, null: false
     t.boolean "direct", default: false, null: false
+    t.datetime "discarded_at"
+    t.index ["discarded_at"], name: "index_questions_on_discarded_at"
     t.index ["user_id", "created_at"], name: "index_questions_on_user_id_and_created_at"
   end
 
@@ -292,7 +300,9 @@ ActiveRecord::Schema.define(version: 2022_07_20_190421) do
     t.datetime "export_created_at"
     t.string "otp_secret_key"
     t.integer "otp_module", default: 0, null: false
+    t.datetime "discarded_at"
     t.index ["confirmation_token"], name: "index_users_on_confirmation_token", unique: true
+    t.index ["discarded_at"], name: "index_users_on_discarded_at"
     t.index ["email"], name: "index_users_on_email", unique: true
     t.index ["reset_password_token"], name: "index_users_on_reset_password_token", unique: true
     t.index ["screen_name"], name: "index_users_on_screen_name", unique: true