Allow admins to add and remove invitations per account

app/controllers/admin/users_controller.rb

@@ -1,7 +1,8 @@
 class Admin::UsersController < Admin::BaseController
-  before_action :set_user, only: [:show]
+  before_action :set_user, except: [:index]
   before_action :set_current_section
 
+  # GET /admin/users
   def index
     ldap   = LdapService.new
     @ou    = Setting.primary_domain
@@ -13,6 +14,7 @@ class Admin::UsersController < Admin::BaseController
     }
   end
 
+  # GET /admin/users/:username
   def show
     if Setting.lndhub_admin_enabled?
       @lndhub_user = @user.lndhub_user
@@ -23,6 +25,30 @@ class Admin::UsersController < Admin::BaseController
     @avatar = LdapManager::FetchAvatar.call(cn: @user.cn)
   end
 
+  # POST /admin/users/:username/invitations
+  def create_invitations
+    amount = params[:amount].to_i
+    notify_user = ActiveRecord::Type::Boolean.new.cast(params[:notify_user])
+
+    CreateInvitations.call(user: @user, amount: amount, notify: notify_user)
+
+    redirect_to admin_user_path(@user.cn), flash: {
+      success: "Added #{amount} invitations to #{@user.cn}'s account"
+    }
+  end
+
+  # DELETE /admin/users/:username/invitations
+  def delete_invitations
+    invitations = @user.invitations.unused
+    amount = invitations.count
+
+    invitations.destroy_all
+
+    redirect_to admin_user_path(@user.cn), flash: {
+      success: "Removed #{amount} invitations from #{@user.cn}'s account"
+    }
+  end
+
   private
 
   def set_user