Initial commit: Report packages

odoo-bringout-oca-ocb-spreadsheet_dashboard/spreadsheet_dashboard/models/spreadsheet_dashboard.py

@@ -0,0 +1,63 @@
+import base64
+import json
+
+from odoo import api, fields, models, _
+from odoo.exceptions import ValidationError
+
+class SpreadsheetDashboard(models.Model):
+    _name = 'spreadsheet.dashboard'
+    _description = 'Spreadsheet Dashboard'
+    _order = 'sequence'
+
+    name = fields.Char(required=True)
+    dashboard_group_id = fields.Many2one('spreadsheet.dashboard.group', required=True)
+    data = fields.Binary(required=True, default=lambda self: self._default_data())
+    raw = fields.Binary(compute='_compute_raw', inverse='_inverse_raw')
+    thumbnail = fields.Binary()
+    sequence = fields.Integer()
+    group_ids = fields.Many2many('res.groups', default=lambda self: self.env.ref('base.group_user'))
+
+    def _default_data(self):
+        data = json.dumps(self._empty_workbook_data())
+        return base64.b64encode(data.encode())
+
+    def _empty_workbook_data(self):
+        """Create an empty spreadsheet workbook.
+        The sheet name should be the same for all users to allow consistent references
+        in formulas. It is translated for the user creating the spreadsheet.
+        """
+        return {
+            "version": 1,
+            "sheets": [
+                {
+                    "id": "sheet1",
+                    "name": _("Sheet1"),
+                }
+            ]
+        }
+
+    @api.depends('data')
+    def _compute_raw(self):
+        for dashboard in self:
+            dashboard.raw = base64.decodebytes(dashboard.data)
+
+    def _inverse_raw(self):
+        for dashboard in self:
+            dashboard.data = base64.encodebytes(dashboard.raw)
+
+    @api.onchange('data')
+    def _onchange_data_(self):
+        if self.data:
+            try:
+                data_str = base64.b64decode(self.data).decode('utf-8')
+                json.loads(data_str)
+            except:
+                raise ValidationError(_('Invalid JSON Data'))
+
+    def copy(self, default=None):
+        self.ensure_one()
+        if default is None:
+            default = {}
+        if 'name' not in default:
+            default['name'] = _("%s (copy)") % self.name
+        return super().copy(default=default)