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import csv work with xlsx files

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This commit is contained in:
Barnabé 2021-10-05 15:28:44 +02:00
parent 4c49e4d3fa
commit aa3dbed95b
1 changed files with 57 additions and 32 deletions
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89
app/models/import_csv.rb
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@ -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
csv_text = File.read(self.file.path, :encoding => 'UTF-8')
@csv = CSV.parse(csv_text, :headers => true, :col_sep => ";")
@csv.headers.each do |header|
if file_is_csv?
csv_text = File.read(self.file.path, :encoding => 'UTF-8')
csv = CSV.parse(csv_text, :headers => true, :col_sep => ";")
headers = csv.headers
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 = {}
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}\""
if file_is_csv?
csv_text = File.read(self.file.path, :encoding => 'UTF-8')
csv = CSV.parse(csv_text, :headers => true, :col_sep => ";")
csv.each do |row|
line = {}
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
r << line
return r
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