Add counter cache for number of weapons in a party

db/migrate/20220315005952_add_weapons_count_to_parties.rb

@@ -0,0 +1,5 @@
+class AddWeaponsCountToParties < ActiveRecord::Migration[6.1]
+    def change
+        add_column :parties, :weapons_count, :integer
+    end
+end

db/migrate/20220315011802_populate_party_weapons_count.rb

@@ -0,0 +1,7 @@
+class PopulatePartyWeaponsCount < ActiveRecord::Migration[6.1]
+    def up
+        Party.find_each do |party|
+            Party.reset_counters(party.id, :weapons)
+        end
+    end
+end

db/schema.rb

@@ -10,14 +10,13 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_03_09_013333) do
+ActiveRecord::Schema.define(version: 2022_03_15_005952) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "btree_gin"
   enable_extension "pg_trgm"
   enable_extension "pgcrypto"
   enable_extension "plpgsql"
-  enable_extension "timescaledb"
 
   create_table "characters", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
     t.string "name_en"
@@ -100,9 +99,6 @@ ActiveRecord::Schema.define(version: 2022_03_09_013333) do
     t.integer "element"
     t.index ["party_id"], name: "index_grid_weapons_on_party_id"
     t.index ["weapon_id"], name: "index_grid_weapons_on_weapon_id"
-    t.index ["weapon_key1_id"], name: "index_grid_weapons_on_weapon_key1_id"
-    t.index ["weapon_key2_id"], name: "index_grid_weapons_on_weapon_key2_id"
-    t.index ["weapon_key3_id"], name: "index_grid_weapons_on_weapon_key3_id"
   end
 
   create_table "oauth_access_grants", id: :uuid, default: -> { "gen_random_uuid()" }, force: :cascade do |t|
@@ -153,6 +149,7 @@ ActiveRecord::Schema.define(version: 2022_03_09_013333) do
     t.text "description"
     t.uuid "raid_id"
     t.integer "element"
+    t.integer "weapons_count"
     t.index ["user_id"], name: "index_parties_on_user_id"
   end