[11.0][ADD] Batch report printing

report_batch/models/__init__.py

@@ -0,0 +1,5 @@
+# Copyright (C) 2019 IBM Corp.
+# Copyright (C) 2019 Open Source Integrators
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from . import ir_action_report

report_batch/models/ir_action_report.py

@@ -0,0 +1,103 @@
+# Copyright (C) 2019 IBM Corp.
+# Copyright (C) 2019 Open Source Integrators
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+import random
+
+
+class IrActionsReportSubreport(models.Model):
+    _name = 'ir.actions.report.subreport'
+    _description = 'Report Subreport'
+    _order = 'sequence'
+
+    parent_report_id = fields.Many2one('ir.actions.report', ondelete='cascade')
+    sequence = fields.Integer(default=10)
+    model = fields.Char(related='parent_report_id.model')
+    subreport_id = fields.Many2one(
+        'ir.actions.report', string='Subreport', required=True)
+
+
+class IrActionsReport(models.Model):
+    _inherit = 'ir.actions.report'
+
+    subreport_ids = fields.One2many(
+        'ir.actions.report.subreport', 'parent_report_id')
+    model_id = fields.Many2one('ir.model', string='Model')
+
+    @api.onchange('model_id')
+    def onchange_model_id(self):
+        if self.model_id:
+            self.model = self.model_id.model
+
+    def generate_top_part(self):
+        return """<?xml version="1.0"?>\n\t<t t-name="%s">\n\t
+        """ % self.report_name
+
+    def generate_bottom_part(self):
+        return """\n
+        \t\t</t>\n\t\t"""
+
+    def generate_custom_content(self, report_name):
+        return """\n
+        \t<t t-call="%s"/>""" % report_name
+
+    def _generate_batch_qweb_report(self, update_batch_qweb=False):
+        report_name = self.report_name
+        if '.' in report_name:
+            module = self.report_name.split('.')[0]
+            report_name = self.report_name.split('.')[1]
+        else:
+            # Generate random number to avoid IntegrityError
+            module = random.randint(1, 1000000)
+            self.report_name = "%s.%s" % (module, report_name)
+        if self.subreport_ids:
+            if update_batch_qweb:
+                report_name = self.report_name.split('.')[1]
+                # Delete old Qweb batch report
+                model_data = self.env['ir.model.data'].search(
+                    [('res_id', '=', self.id)])
+                model_data.unlink()
+                ui_view = self.env['ir.ui.view'].search(
+                    [('name', '=', report_name)])
+                ui_view.unlink()
+            template_header = self.generate_top_part()
+            template_footer = self.generate_bottom_part()
+            template_content = ''
+
+            for subreport in self.subreport_ids:
+                template_content += self.generate_custom_content(
+                    subreport.subreport_id.report_name
+                )
+            data = "%s%s%s" % (
+                template_header, template_content, template_footer)
+            ui_view = self.env['ir.ui.view'].create(
+                {'name': report_name,
+                 'type': 'qweb',
+                 'model': self.model,
+                 'mode': 'primary',
+                 'arch_base': data})
+            self.env['ir.model.data'].create(
+                {'module': module,
+                 'name': report_name,
+                 'res_id': ui_view.id,
+                 'model': 'ir.ui.view'})
+            # Register batch report option
+            if not self.binding_model_id:
+                self.create_action()
+        return True
+
+    @api.model
+    def create(self, vals):
+        res = super(IrActionsReport, self).create(vals)
+        for report in res:
+            report._generate_batch_qweb_report()
+        return res
+
+    @api.multi
+    def write(self, vals):
+        res = super(IrActionsReport, self).write(vals)
+        if 'subreport_ids' in vals or 'model' in vals:
+            for report in self:
+                report._generate_batch_qweb_report(update_batch_qweb=True)
+        return res