Export XLSX

app/controllers/admin/p_customers_controller.rb

@@ -404,8 +404,10 @@ class Admin::PCustomersController < ApplicationController
       
       
       
-            @csv = CSV.generate(:headers => true, :col_sep => ";") do |csv|
+            xlsx_package = Axlsx::Package.new
-              csv << @headers
+              wb = xlsx_package.workbook
+              wb.add_worksheet(name: "import") do |sheet|
+                sheet.add_row @headers
                 
                 @p_customers.each do |p_customer|
                   line = []
@@ -426,17 +428,20 @@ class Admin::PCustomersController < ApplicationController
                 
                   end
               
-                csv << line
+                  
+                  sheet.add_row line, types: line.map{|t| self.cell_type_from_value(t)}
                 end
                 
                 
               end
               
+              @final_file = "#{Rails.root}/private_medias/export-inscrits-#{Time.now.to_s.to_slug}.xlsx"
         
-            @data_to_send = @csv
 
-            send_data @data_to_send.to_s, :filename => "export-csv.csv", :type => :csv #, :type => 'text/csv; charset=iso-8859-1; header=present' 
+              xlsx_package.serialize(@final_file)  
-            #"\uFEFF" + 
+    
+          
+              send_file @final_file
           
     
     
@@ -448,6 +453,30 @@ class Admin::PCustomersController < ApplicationController
     end
   end
   
+  
+  def cell_type_from_value(v)
+    if v.is_a?(Date)
+      :date
+    elsif v.is_a?(String)
+      :string
+    elsif v.is_a?(Time)
+      :time
+    elsif v.is_a?(TrueClass) || v.is_a?(FalseClass)
+      :boolean
+    elsif v.to_s =~ /\A[+-]?\d+?\Z/ #numeric
+      :integer
+    elsif v.to_s =~ /\A[-+]?[0-9]*\.?[0-9]+([eE][-+]?[0-9]+)?\Z/ #float
+      :float
+      # \A(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[0-1]|0[1-9]|[1-2][0-9])
+      # T(2[0-3]|[0-1][0-9]):([0-5][0-9]):([0-5][0-9])(\.[0-9]+)?
+      # (Z|[+-](?:2[0-3]|[0-1][0-9]):[0-5][0-9])?\Z
+    elsif v.to_s =~/\A(-?(?:[1-9][0-9]*)?[0-9]{4})-(1[0-2]|0[1-9])-(3[0-1]|0[1-9]|[1-2][0-9])T(2[0-3]|[0-1][0-9]):([0-5][0-9]):([0-5][0-9])(\.[0-9]+)?(Z|[+-](?:2[0-3]|[0-1][0-9]):[0-5][0-9])?\Z/
+      :iso_8601
+    else
+      :string
+    end
+  end
+
   def show
     @p_customer = PCustomer.find(params[:id])