Spike of user with many organisations (and a dropdown to choose an or…

…ganisation)

app/controllers/application_controller.rb

@@ -2,6 +2,14 @@ class ApplicationController < ActionController::Base
   include Auth
   include Ip
 
+  before_action -> {
+    @organisation_list = current_user.organisations
+
+    if session[:current_organisation]
+      Current.organisation = session[:current_organisation]
+    end
+  }, if: :user_signed_in?
+
   private
 
   def add_breadcrumb(name, path, options = {})

app/controllers/organisation_session_controller.rb

@@ -0,0 +1,10 @@
+class OrganisationSessionController < ApplicationController
+  def update
+    if params[:current_organisation]
+      if current_user.organisations.pluck(:id).include?(params[:current_organisation])
+        session[:current_organisation] = params[:current_organisation]
+      end
+      redirect_to current_user.service_owner? ? request.referer : root_path
+    end
+  end
+end

app/models/current.rb

@@ -0,0 +1,3 @@
+class Current < ActiveSupport::CurrentAttributes
+  attribute :organisation
+end

app/models/organisation.rb

@@ -3,6 +3,7 @@ class Organisation < ApplicationRecord
 
   strip_attributes only: [:iati_reference]
   has_many :users
+  has_and_belongs_to_many :users
   has_many :funds
   has_many :reports
   has_many :org_participations

app/models/user.rb

@@ -3,6 +3,7 @@ class User < ApplicationRecord
     otp_secret_encryption_key: ENV["SECRET_KEY_BASE"]
 
   belongs_to :organisation
+  has_and_belongs_to_many :organisations
   has_many :historical_events
   validates_presence_of :name, :email
   validates :email, with: :email_cannot_be_changed_after_create, on: :update
@@ -18,6 +19,17 @@ class User < ApplicationRecord
 
   delegate :service_owner?, :partner_organisation?, to: :organisation
 
+  def organisation
+    if Current.organisation
+      return Organisation.find(Current.organisation)
+    end
+    super
+  end
+
+  def primary_organisation
+    Organisation.find(self.organisation_id)
+  end
+
   def active_for_authentication?
     active
   end

app/views/layouts/application.html.haml

@@ -62,6 +62,16 @@
             = t("header.feedback.html")
 
       = render 'layouts/messages'
+
+      - if authenticated? && current_user.primary_organisation.service_owner?
+        .govuk-grid-row
+          .govuk-grid-column-full{:class => "govuk-!-padding-top-4"}
+
+            =form_with url: organisation_session_path, method: :patch do |form|
+              =form.label "Available organisations", class: "govuk-label", for: "current_organisation"
+              =form.select :current_organisation, options_for_select(@organisation_list.pluck(:name, :id), Current.organisation), {}, class: "govuk-select"
+              =form.submit "Set organisation", class: "govuk-button", "data-module": "govuk-button"
+
       = breadcrumb_tags
 
       = yield

config/routes.rb

@@ -32,6 +32,8 @@
   resources :users, except: [:index]
   resources :activities, only: [:index]
 
+  patch "/organisation_session" => "organisation_session#update"
+
   roles = %w[implementing_organisations partner_organisations matched_effort_providers external_income_providers]
   constraints role: /#{roles.join("|")}/ do
     get "organisations/(:role)", to: "organisations#index", defaults: {role: "partner_organisations"}, as: :organisations

db/migrate/20241126225521_create_join_table_organisation_user.rb

@@ -0,0 +1,12 @@
+class CreateJoinTableOrganisationUser < ActiveRecord::Migration[6.1]
+  def change
+    create_join_table :organisations, :users, column_options: {type: :uuid} do |t|
+      t.index [:organisation_id, :user_id]
+      t.index [:user_id, :organisation_id]
+    end
+
+    User.all.each do |user|
+      user.organisations << user.organisation
+    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: 2024_01_15_183402) do
+ActiveRecord::Schema.define(version: 2024_11_26_225521) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pgcrypto"
@@ -285,6 +285,13 @@
     t.index ["iati_reference"], name: "index_organisations_on_iati_reference", unique: true
   end
 
+  create_table "organisations_users", id: false, force: :cascade do |t|
+    t.uuid "organisation_id", null: false
+    t.uuid "user_id", null: false
+    t.index ["organisation_id", "user_id"], name: "index_organisations_users_on_organisation_id_and_user_id"
+    t.index ["user_id", "organisation_id"], name: "index_organisations_users_on_user_id_and_organisation_id"
+  end
+
   create_table "outgoing_transfers", id: :uuid, default: -> { "public.gen_random_uuid()" }, force: :cascade do |t|
     t.uuid "source_id", null: false
     t.uuid "destination_id", null: false