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Button in action menu to download all pickings attachments

action pdf picking download

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5456 Näkymät

Alexandru Gagea

Hello,

I am trying to select multiple pickings and download into a single pdf they're attachments

( shipping labels )

Bellow is my code which will download only one attachment.

Working on Odoo 13 CE.

def generate_awb_pdf(self):
    sale_orders = self.env['sale.order'].browse(self._context.get('active_ids', []))
    pickings = self.env['stock.picking'].search([('origin', 'in', [o.name for o in sale_orders])])
    attachment_ids = self.env['ir.attachment'].search(
        [('res_model', '=', 'stock.picking'), ('res_id', 'in', [p.id for p in pickings])])
    result = b''
    for rec in attachment_ids:
        result += rec.datas
    base_url = self.env['ir.config_parameter'].get_param('web.base.url')
    attachment_obj = self.env['ir.attachment']
    attachment_id = attachment_obj.sudo().create(
        {'name': "name", 'store_fname': 'awb.pdf', 'datas': result})
    download_url = '/web/content/' + str(attachment_id.id) + '?download=true'
    return {
        'name': 'Report',
        'type': 'ir.actions.act_url',
        'url': str(base_url) + str(download_url),
        'target': 'self',
    }

Thank you !

Alexandru Gagea

Tekijä

Hello Jainesh,

I've changed the code as you suggested (makes sense..) , however, nothing is getting downloaded.

def generate_awb_pdf(self):

    sale_orders = self.env['sale.order'].browse(self._context.get('active_ids', []))
    pickings = self.env['stock.picking'].search([('origin', 'in', [o.name for o in sale_orders])])
    attachment_ids = self.env['ir.attachment'].search(
        [('res_model', '=', 'stock.picking'), ('res_id', 'in', [p.id for p in pickings])])
    result = b''

    for rec in attachment_ids:
        result += rec.datas
        attachment_obj = self.env['ir.attachment']
        attachment_id = attachment_obj.sudo().create(
            {'name': "name", 'store_fname': 'awb.pdf', 'datas': rec.datas})
        download_url = '/web/content/' + str(attachment_id.id) + '?download=true'
        self.get_report(download_url)

def get_report(self, download_url):
    base_url = self.env['ir.config_parameter'].get_param('web.base.url')
    return {
        'name': 'Report',
        'type': 'ir.actions.act_url',
        'url': str(base_url) + str(download_url),
        'target': 'new',
    }

Jainesh Shah(Aktiv Software)

Hello Alexandru,

The problem in your solution is that the data is being returned inside a loop, so once the data is returned the execution of loop will stop.

Please keep the return part in a separate method and call that method inside the loop so even after something is returned the main loop continues.

eg:

for rec in attachment_ids:
  #code to generate url
  self.get_report(url_of_report)

def get_report(self, url_of_report)
  return {
      'name': 'Report',
      'type': 'ir.actions.act_url',
      'url': url_of_report,
      'target': 'self',
}

Hope this solves your issue.

Thanks & Regards,
Email: odoo@aktivsoftware.com
Skype: kalpeshmaheshwari

Jainesh Shah(Aktiv Software)

Hello @Alexandru

Based on your comment:

For the point:
I am trying to select multiple pickings and download into a single pdf they're attachments ( shipping labels )

- I understand you want all attachments as a single pdf file, Here you have made a few mistakes in code as:
1. In attachments you might have different file types like image, pdf, zip so creating a new attachment of pdf type directly by combining binary data is not a valid solution.

2. Also if you have only pdf attachment then you might also have user uploaded pdf or any other pdf documents related to picking.

I have made a server action which will download all pdf attachments in to a single attachment.

Please check below link for code.
-------------------------------------
https://drive.google.com/drive/folders/1gRGCd9Aet2oTxWMH8Wpsz1wFLLLMUVJi?usp=sharing
-------------------------------------

Note: Please install PyPDF2 lib if you do not have it in your system.

Please make required changes to the above code, I have tested this and it gives me a common pdf for all pdf type attachments in selected pickings.

Although the page numbers and details belong to individual pdfs you might need to find a work around for it if necessary.

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