import csv work with xlsx files

app/models/import_csv.rb

@@ -10,7 +10,7 @@ class ImportCsv < ApplicationRecord
 
   validates :file, :presence => true
   validates :table_name, :presence => true
- 
+
 
   has_many :import_csv_champs, :dependent => :destroy
   accepts_nested_attributes_for :import_csv_champs, :allow_destroy => true
@@ -21,72 +21,97 @@ class ImportCsv < ApplicationRecord
     :name => {:name => "Nom", :reorder => true},
     :file => {:name => "Fichier", :reorder => true},
     :table_name => {:name => "Table", :reorder => true},
-   
+
     :nbr_headers => {:name => "Nbr champs", :reorder => true},
     :nbr_elements => {:name => "Nbr elements", :reorder => true},
-    
+
-    
+
-    
+
     :actions => {:name => "Actions", :reorder => false}
   }
 
 
   after_create do
-
+    if file_is_csv?
-    csv_text = File.read(self.file.path, :encoding => 'UTF-8')
+      csv_text = File.read(self.file.path, :encoding => 'UTF-8')
-    @csv = CSV.parse(csv_text, :headers => true, :col_sep => ";")
+      csv = CSV.parse(csv_text, :headers => true, :col_sep => ";")
-
+      headers = csv.headers
-    @csv.headers.each do |header|
+    else
+      xlsx = Roo::Spreadsheet.open(self.file.path,  extension: :xlsx) # open spreadsheet
+      headers = xlsx.row(1)
+    end
+    headers.each do |header|
       self.import_csv_headers << ImportCsvHeader.new(:name => header)
 
     end
 
     self.table_name.classify.constantize.import_csv_fields.each do |h|
       if self.parent and c = self.parent.import_csv_champs.where(:champ => h.to_s).first
-        self.import_csv_champs.new(:champ => h.to_s, :header => c.header)  
+        self.import_csv_champs.new(:champ => h.to_s, :header => c.header)
       else
-        self.import_csv_champs.new(:champ => h.to_s)  
+        self.import_csv_champs.new(:champ => h.to_s)
       end
 
     end
 
-
     self.save
-      
-
   end
 
+
+  def file_is_csv?
+    File.read(self.file.path, :encoding => 'utf-8').valid_encoding?
+  end
+
+
   def charge
-    
+
     self.import_csv_elements.each do |e|
       e.element.destroy if e.element
       e.destroy
     end
 
-    csv_text = File.read(self.file.path, :encoding => 'UTF-8')
-    @csv = CSV.parse(csv_text, :headers => true, :col_sep => ";")
     r = []
-    @csv.each do |row|
+
-      line = {}
+    if file_is_csv?
-      self.import_csv_champs.each do |import_csv_champ|
+      csv_text = File.read(self.file.path, :encoding => 'UTF-8')
-        if import_csv_champ.header?
+      csv = CSV.parse(csv_text, :headers => true, :col_sep => ";")
-          eval "line['#{import_csv_champ.champ}'] = row[\"#{import_csv_champ.header}\"]"
+      csv.each do |row|
-        elsif import_csv_champ.value?
+        line = {}
-          eval "line['#{import_csv_champ.champ}'] = \"#{import_csv_champ.value}\""
+        self.import_csv_champs.each do |import_csv_champ|
+          if import_csv_champ.header?
+            eval "line['#{import_csv_champ.champ}'] = row[\"#{import_csv_champ.header}\"]"
+          elsif import_csv_champ.value?
+            eval "line['#{import_csv_champ.champ}'] = \"#{import_csv_champ.value}\""
+          end
         end
-
+        r << line
       end
-
+      return r
-      r << line
+    else
-
+      xlsx = Roo::Spreadsheet.open(self.file.path,  extension: :xlsx) # open spreadsheet
+      headers = xlsx.row(1) # get header row
+      xlsx.each_with_index do |row, idx|
+        line = {}
+        next if idx == 0 # skip header
+        # create hash from headers and cells
+        data = Hash[[headers, row].transpose]
+        self.import_csv_champs.each do |import_csv_champ|
+        #   raise
+          if import_csv_champ.header?
+            eval "line['#{import_csv_champ.champ}'] = data[\"#{import_csv_champ.header}\"]"
+          elsif import_csv_champ.value?
+            eval "line['#{import_csv_champ.champ}'] = \"#{import_csv_champ.value}\""
+          end
+        end
+        r << line
+      end
+      return r
     end
-
-    return r
   end
 
   def load
     self.table_name.classify.constantize.import_csv(self.charge, self)
-    
+
 
 
   end