Use Pagy on caseworker admin allocation pages

Replaces the uses of the Kaminari gem for pagination with Pagy on the
caseworker allocation pages.

This is more complex than the change to the provider claims pages due to
the way claims data is fetched from the API. Pagination is currently
done by the API, so it is necessary to make changes there too.

Similar to the previous commit it is necessary to create a new Pagy object
in the CaseWorkers::Admin::AllocationsController based on pagination data
received from the API. This also fixes a bug(?) where the `sort_and_paginate`
method was never being called in that controller.

.rubocop_todo.yml

@@ -1,6 +1,6 @@
 # This configuration was generated by
 # `rubocop --auto-gen-config --auto-gen-only-exclude --exclude-limit 1000`
-# on 2024-11-28 09:38:38 UTC using RuboCop version 1.69.0.
+# on 2024-12-19 12:25:56 UTC using RuboCop version 1.69.2.
 # The point is for the user to remove these configuration records
 # one by one as the offenses are removed from the code base.
 # Note that changes in the inspected code, or installation of new
@@ -244,10 +244,11 @@ Metrics/AbcSize:
     - 'spec/support/seed_helpers.rb'
     - 'spec/support/validation_helpers.rb'
 
-# Offense count: 19
+# Offense count: 20
 # Configuration parameters: CountComments, Max, CountAsOne.
 Metrics/ClassLength:
   Exclude:
+    - 'app/controllers/case_workers/claims_controller.rb'
     - 'app/controllers/external_users/claims_controller.rb'
     - 'app/interfaces/api/entities/search_result.rb'
     - 'app/interfaces/api/v1/dropdown_data.rb'

app/controllers/case_workers/admin/allocations_controller.rb

@@ -7,6 +7,7 @@ class AllocationsController < CaseWorkers::Admin::ApplicationController
       before_action :set_claims, only: %i[new create]
       before_action :set_summary_values, only: [:new], if: :summary_from_previous_request?
       before_action :process_claim_ids, only: [:create], if: :quantity_allocation?
+      before_action :sort_and_paginate
 
       def new
         @allocation = Allocation.new
@@ -88,7 +89,13 @@ def search_claims(states = nil)
       end
 
       def sort_and_paginate
-        @claims = @claims.sort_using(sort_column, sort_direction).page(current_page).per(page_size)
+        @claims = @claims.sort_using(sort_column, sort_direction) unless @claims.remote?
+        @pagy = Pagy.new(
+          count: @claims.total_count,
+          limit: @claims.limit_value,
+          page: @claims.current_page,
+          pages: @claims.total_pages
+        )
       end
 
       def allocation_params

app/views/case_workers/admin/allocations/_re_allocation.html.haml

@@ -35,7 +35,7 @@
               .govuk-grid-column-one-half
                 = t('.re_allocation')
               .govuk-grid-column-one-half.claim-count{ class: 'govuk-!-text-align-right' }
-                = t('.number_of_claims', claim_count: @claims.total_count)
+                = pagy_info(@pagy).html_safe
 
           = govuk_table_thead do
             = govuk_table_row do

app/views/case_workers/admin/allocations/new.html.haml

@@ -13,4 +13,5 @@
   .js-re-allocation-page
     = render partial: 're_allocation'
 
-  = paginate @claims
+  %nav.pagination.app-pagintion--inline
+    = pagy_nav(@pagy).html_safe

spec/controllers/case_workers/admin/allocations_controller_spec.rb

@@ -2,15 +2,16 @@
 
 RSpec.describe CaseWorkers::Admin::AllocationsController do
   before(:all) do
-    # create(:graduated_fee_type, code: 'GTRL') #use seeded case types 'real' fee type codes
-    # load '#{Rails.root}/db/seeds/case_types.rb'
     @case_worker = create(:case_worker)
     @admin = create(:case_worker, :admin)
   end
 
   after(:all) { clean_database }
 
-  before { sign_in @admin.user }
+  before do
+    sign_in @admin.user
+    allow(claims_collection).to receive_messages(total_count: 15, total_pages: 2, limit_value: 10, current_page: 1)
+  end
 
   let(:tab) { nil } # default tab is 'unallocated' when tab not provided
 
@@ -30,7 +31,7 @@
       direction: 'asc',
       scheme: 'agfs',
       filter: 'all',
-      page: 0,
+      page: 1,
       limit: 25,
       search: nil,
       value_band_id: 0