OCA reporting engine fork for dev and update.
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# Copyright 2020 Creu Blanca
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
from odoo import api, fields, models, _
from odoo.exceptions import ValidationError
import ast
from odoo.tools.safe_eval import safe_eval
from odoo.addons.base.models.ir_cron import _intervalTypes
from odoo.tools.float_utils import float_compare
import re
import json
import datetime
class KpiKpi(models.Model):
_name = "kpi.kpi"
_description = "Kpi Kpi"
name = fields.Char(required=True)
active = fields.Boolean(default=True)
cron_id = fields.Many2one("ir.cron", readonly=True, copy=False)
computation_method = fields.Selection(
[("function", "Function"), ("code", "Code")], required=True
)
value = fields.Serialized()
dashboard_item_ids = fields.One2many("kpi.dashboard.item", inverse_name="kpi_id")
model_id = fields.Many2one("ir.model",)
function = fields.Char()
args = fields.Char()
kwargs = fields.Char()
widget = fields.Selection(
[("number", "Number"), ("meter", "Meter"), ("graph", "Graph")],
required=True,
default="number",
)
value_last_update = fields.Datetime(readonly=True)
prefix = fields.Char()
suffix = fields.Char()
action_ids = fields.One2many(
"kpi.kpi.action",
inverse_name='kpi_id',
help="Actions that can be opened from the KPI"
)
code = fields.Text("Code")
store_history = fields.Boolean()
store_history_interval = fields.Selection(
selection=lambda self:
self.env['ir.cron']._fields['interval_type'].selection,
)
store_history_interval_number = fields.Integer()
compute_on_fly = fields.Boolean()
history_ids = fields.One2many("kpi.kpi.history", inverse_name="kpi_id")
computed_value = fields.Serialized(compute='_compute_computed_value')
computed_date = fields.Datetime(compute='_compute_computed_value')
@api.depends('value', 'value_last_update', 'compute_on_fly')
def _compute_computed_value(self):
for record in self:
if record.compute_on_fly:
record.computed_value = record._compute_value()
record.computed_date = fields.Datetime.now()
else:
record.computed_value = record.value
record.computed_date = record.value_last_update
def _cron_vals(self):
return {
"name": self.name,
"model_id": self.env.ref("kpi_dashboard.model_kpi_kpi").id,
"interval_number": 1,
"interval_type": "hours",
"state": "code",
"code": "model.browse(%s).compute()" % self.id,
"active": True,
}
def compute(self):
for record in self:
record._compute()
return True
def _generate_history_vals(self, value):
return {
"kpi_id": self.id,
"value": value,
"widget": self.widget,
}
def _compute_value(self):
return getattr(self, "_compute_value_%s" % self.computation_method)()
def _compute(self):
value = self._compute_value()
self.write({"value": value})
if self.store_history:
last = self.env['kpi.kpi.history'].search([
('kpi_id', '=', self.id)
], limit=1)
if (
not last or
not self.store_history_interval or
last.create_date + _intervalTypes[self.store_history_interval](
self.store_history_interval_number) < fields.Datetime.now()
):
self.env["kpi.kpi.history"].create(
self._generate_history_vals(value)
)
notifications = []
for dashboard_item in self.dashboard_item_ids:
channel = "kpi_dashboard_%s" % dashboard_item.dashboard_id.id
notifications.append([channel, dashboard_item._read_dashboard()])
if notifications:
self.env["bus.bus"].sendmany(notifications)
def _compute_value_function(self):
obj = self
if self.model_id:
obj = self.env[self.model_id.model]
args = ast.literal_eval(self.args or "[]")
kwargs = ast.literal_eval(self.kwargs or "{}")
return getattr(obj, self.function)(*args, **kwargs)
def generate_cron(self):
self.ensure_one()
self.cron_id = self.env["ir.cron"].create(self._cron_vals())
@api.multi
def write(self, vals):
if "value" in vals:
vals["value_last_update"] = fields.Datetime.now()
return super().write(vals)
def _get_code_input_dict(self):
return {
"self": self,
"model": self.browse(),
"datetime": datetime,
"float_compare": float_compare,
}
def _forbidden_code(self):
return ["commit", "rollback", "getattr", "execute"]
def _compute_value_code(self):
forbidden = self._forbidden_code()
search_terms = "(" + ("|".join(forbidden)) + ")"
if re.search(search_terms, (self.code or "").lower()):
message = ", ".join(forbidden[:-1]) or ""
if len(message) > 0:
message += _(" or ")
message += forbidden[-1]
raise ValidationError(_(
"The code cannot contain the following terms: %s."
) % message)
results = self._get_code_input_dict()
savepoint = "kpi_formula_%s" % self.id
self.env.cr.execute("savepoint %s" % savepoint)
safe_eval(self.code or "", results, mode="exec", nocopy=True)
self.env.cr.execute("rollback to %s" % savepoint)
return results.get("result", {})
def show_value(self):
self.ensure_one()
action = self.env.ref('kpi_dashboard.kpi_kpi_act_window')
result = action.read()[0]
result.update({
'res_id': self.id,
'target': 'new',
'view_mode': 'form',
'views': [(self.env.ref(
'kpi_dashboard.kpi_kpi_widget_form_view'
).id, 'form')],
})
return result
class KpiKpiAction(models.Model):
_name = 'kpi.kpi.action'
_description = 'KPI action'
kpi_id = fields.Many2one('kpi.kpi', required=True, ondelete='cascade')
action = fields.Reference(
selection=[('ir.actions.report', 'ir.actions.report'),
('ir.actions.act_window', 'ir.actions.act_window'),
('ir.actions.act_url', 'ir.actions.act_url'),
('ir.actions.server', 'ir.actions.server'),
('ir.actions.client', 'ir.actions.client')],
required=True,
)
context = fields.Char()
def read_dashboard(self):
result = {}
for r in self:
result[r.id] = {
'id': r.action.id,
'type': r.action._name,
'name': r.action.name,
'context': safe_eval(r.context or '{}')
}
return result
class KpiKpiHistory(models.Model):
_name = 'kpi.kpi.history'
_description = 'KPI history'
_order = 'create_date DESC'
kpi_id = fields.Many2one(
'kpi.kpi', required=True, ondelete='cascade', readonly=True
)
value = fields.Serialized(readonly=True)
raw_value = fields.Char(compute='_compute_raw_value')
name = fields.Char(related='kpi_id.name')
widget = fields.Selection(
selection=lambda self:
self.env['kpi.kpi']._fields['widget'].selection,
required=True)
@api.depends('value')
def _compute_raw_value(self):
for record in self:
record.raw_value = json.dumps(record.value)
def show_form(self):
self.ensure_one()
action = self.env.ref('kpi_dashboard.kpi_kpi_history_act_window')
result = action.read()[0]
result.update({
'res_id': self.id,
'target': 'new',
'view_mode': 'form',
'views': [(self.env.context.get('form_id'), 'form')],
})
return result