I am trying to render a xlsx
file. But I keep getting a 406/UnknowFormat
. I have done the right setup, maybe im missing something?
Rails 4.2 app
gem 'axlsx'
gem "axlsx_rails"
gem 'zip-zip'
config/initializers/mime
Mime::Type.register "application/xlsx", :xlsx
controller
respond_to do |format|
format.xlsx { render xlsx: "create", template: "api/reports/create" }
end
views/api/reports/create.xlsx.axlsx
wb = xlsx_package.workbook
wb.add_worksheet(name: "Reports") do |sheet|
sheet.add_row [@report_name]
end
For me, in Rails 4.2 I had to specify the full template filename including extension. According to the axlsx_rails docs the syntax is different in Rails 4.2. Here's what worked for me:
some_controller.rb
def create_report
render "template_path/report.xlsx.axlsx"
end
template_path/report.xlsx.axlsx
wb = xlsx_package.workbook
wb.add_worksheet(:name => "Basic Worksheet") do |sheet|
sheet.add_row ["First Column", "Second", "Third"]
end
The error you are getting doesn't mean that rails didn't find the the xlsx format: it means that it compared the list of formats you're providing (i.e. just xlsx) and compared it to the set of formats it thinks the browser is willing to accept and didn't find any overlap.
If as it appears there is only one format you want to render then you don't need to use respond_to
at all - just replace the whole thing with
render xlsx: "create", template: "api/reports/create"
Rails derives what it thinks are acceptable formats from the extension on the url and the Accept header. Format negotiation is generally simply done via the extension than the Accept header - linking (or posting) to /some/path.xlsx
should set the format to xlsx. You can do this by including format: 'xlsx'
in the options you pass to path helpers or as part of a hash of routing options.
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