Add missing indexes to shifts

app/gateways/rest/api/organizations/shifts.rb

@@ -16,10 +16,18 @@ def select_shifts(filters)
         end
 
         class Contract < Dry::Validation::Contract
+          MAX_PERIOD = 31
+
           params do
             required(:from).filled(:date_time)
             required(:to).filled(:date_time)
           end
+
+          rule(:from, :to) do
+            next if values[:to] - values[:from] > MAX_PERIOD.days
+
+            key(:period).failure(I18n.t!("rest.api.organizations.shifts.errors.long_period", period: MAX_PERIOD))
+          end
         end
 
         desc "Get organization shifts"

config/locales/en.yml

@@ -1,5 +1,10 @@
 en:
   rest:
+    api:
+      organizations:
+        shifts:
+          errors:
+            long_period: "The retrieving period should be <= %{period} days"
     services:
       authentication:
         errors:

db/migrate/20230404154936_add_indexes_to_shifts.rb

@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+class AddIndexesToShifts < ActiveRecord::Migration[7.0]
+  disable_ddl_transaction!
+
+  def change
+    add_index :shifts, [:start_at, :end_at], algorithm: :concurrently
+    add_index :shifts, :worker_id
+  end
+end

db/structure.sql

@@ -364,6 +364,20 @@ CREATE UNIQUE INDEX index_organizations_on_name ON public.organizations USING bt
 CREATE UNIQUE INDEX index_shifts_on_external_id ON public.shifts USING btree (external_id);
 
 
+--
+-- Name: index_shifts_on_start_at_and_end_at; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_shifts_on_start_at_and_end_at ON public.shifts USING btree (start_at, end_at);
+
+
+--
+-- Name: index_shifts_on_worker_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_shifts_on_worker_id ON public.shifts USING btree (worker_id);
+
+
 --
 -- Name: index_workers_on_external_id; Type: INDEX; Schema: public; Owner: -
 --
@@ -407,6 +421,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20230331212610'),
 ('20230401100644'),
 ('20230401124829'),
-('20230401165334');
+('20230401165334'),
+('20230404154936');