mirror of https://github.com/OCA/web.git
322 lines
10 KiB
Python
322 lines
10 KiB
Python
# -*- coding: utf-8 -*-
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# © 2010-2013 OpenERP s.a. (<http://openerp.com>).
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# © 2014 initOS GmbH & Co. KG (<http://www.initos.com>).
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# © 2015-Today GRAP
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# License AGPL-3 - See http://www.gnu.org/licenses/agpl-3.0.html
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import datetime
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import time
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from dateutil.relativedelta import relativedelta
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from collections import OrderedDict
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from openerp import api, fields, models
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from openerp.tools.safe_eval import safe_eval as eval
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from openerp.tools.translate import _
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from openerp.exceptions import ValidationError, except_orm
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def median(vals):
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# https://docs.python.org/3/library/statistics.html#statistics.median
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# TODO : refactor, using statistics.median when Odoo will be available
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# in Python 3.4
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even = (0 if len(vals) % 2 else 1) + 1
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half = (len(vals) - 1) / 2
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return sum(sorted(vals)[half : half + even]) / float(even)
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FIELD_FUNCTIONS = OrderedDict(
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[
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(
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"count",
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{
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"name": "Count",
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"func": False, # its hardcoded in _compute_data
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"help": _("Number of records"),
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},
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),
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(
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"min",
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{
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"name": "Minimum",
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"func": min,
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"help": _("Minimum value of '%s'"),
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},
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),
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(
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"max",
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{
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"name": "Maximum",
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"func": max,
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"help": _("Maximum value of '%s'"),
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},
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),
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(
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"sum",
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{"name": "Sum", "func": sum, "help": _("Total value of '%s'")},
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),
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(
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"avg",
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{
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"name": "Average",
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"func": lambda vals: sum(vals) / len(vals),
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"help": _("Minimum value of '%s'"),
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},
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),
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(
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"median",
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{
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"name": "Median",
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"func": median,
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"help": _("Median value of '%s'"),
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},
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),
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]
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)
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FIELD_FUNCTION_SELECTION = [
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(k, FIELD_FUNCTIONS[k].get("name")) for k in FIELD_FUNCTIONS
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]
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class TileTile(models.Model):
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_name = "tile.tile"
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_description = "Dashboard Tile"
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_order = "sequence, name"
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def _get_eval_context(self):
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def _context_today():
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return fields.Date.from_string(fields.Date.context_today(self))
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context = self.env.context.copy()
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context.update(
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{
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"time": time,
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"datetime": datetime,
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"relativedelta": relativedelta,
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"context_today": _context_today,
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"current_date": fields.Date.today(),
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}
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)
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return context
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# Column Section
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name = fields.Char(required=True)
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sequence = fields.Integer(default=0, required=True)
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category_id = fields.Many2one("tile.category", "Category")
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user_id = fields.Many2one("res.users", "User")
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background_color = fields.Char(default="#0E6C7E", oldname="color")
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font_color = fields.Char(default="#FFFFFF")
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group_ids = fields.Many2many(
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"res.groups",
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string="Groups",
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help="If this field is set, only users of this group can view this "
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"tile. Please note that it will only work for global tiles "
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"(that is, when User field is left empty)",
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)
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model_id = fields.Many2one("ir.model", "Model", required=True)
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domain = fields.Text(default="[]")
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action_id = fields.Many2one("ir.actions.act_window", "Action")
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active = fields.Boolean(
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compute="_compute_active", search="_search_active", readonly=True
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)
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# Primary Value
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primary_function = fields.Selection(
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FIELD_FUNCTION_SELECTION, string="Function", default="count"
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)
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primary_field_id = fields.Many2one(
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"ir.model.fields",
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string="Field",
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domain="[('model_id', '=', model_id),"
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" ('ttype', 'in', ['float', 'integer', 'monetary'])]",
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)
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primary_format = fields.Char(
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string="Format",
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help="Python Format String valid with str.format()\n"
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"ie: '{:,} Kgs' will output '1,000 Kgs' if value is 1000.",
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)
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primary_value = fields.Char(string="Value", compute="_compute_data")
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primary_helper = fields.Char(string="Helper", compute="_compute_helper")
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# Secondary Value
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secondary_function = fields.Selection(
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FIELD_FUNCTION_SELECTION, string="Secondary Function"
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)
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secondary_field_id = fields.Many2one(
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"ir.model.fields",
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string="Secondary Field",
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domain="[('model_id', '=', model_id),"
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" ('ttype', 'in', ['float', 'integer', 'monetary'])]",
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)
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secondary_format = fields.Char(
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string="Secondary Format",
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help="Python Format String valid with str.format()\n"
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"ie: '{:,} Kgs' will output '1,000 Kgs' if value is 1000.",
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)
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secondary_value = fields.Char(
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string="Secondary Value", compute="_compute_data"
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)
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secondary_helper = fields.Char(
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string="Secondary Helper", compute="_compute_helper"
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)
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error = fields.Char(string="Error Details", compute="_compute_data")
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@api.one
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def _compute_data(self):
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if not self.active:
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return
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model = self.env[self.model_id.model]
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eval_context = self._get_eval_context()
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domain = self.domain or "[]"
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try:
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count = model.search_count(eval(domain, eval_context))
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except Exception as e:
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self.primary_value = self.secondary_value = "ERR!"
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self.error = str(e)
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return
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fields = [
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f.name
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for f in [self.primary_field_id, self.secondary_field_id]
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if f
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]
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read_vals = (
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fields
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and model.search_read(eval(domain, eval_context), fields)
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or []
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)
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for f in ["primary_", "secondary_"]:
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f_function = f + "function"
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f_field_id = f + "field_id"
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f_format = f + "format"
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f_value = f + "value"
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value = 0
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if not self[f_function]:
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self[f_value] = False
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else:
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if self[f_function] == "count":
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value = count
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else:
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func = FIELD_FUNCTIONS[self[f_function]]["func"]
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vals = [x[self[f_field_id].name] for x in read_vals]
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value = func(vals)
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try:
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self[f_value] = (self[f_format] or "{:,}").format(value)
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except ValueError as e:
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self[f_value] = "F_ERR!"
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self.error = str(e)
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return
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@api.one
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@api.onchange(
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"primary_function",
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"primary_field_id",
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"secondary_function",
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"secondary_field_id",
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)
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def _compute_helper(self):
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for f in ["primary_", "secondary_"]:
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f_function = f + "function"
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f_field_id = f + "field_id"
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f_helper = f + "helper"
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self[f_helper] = ""
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field_func = FIELD_FUNCTIONS.get(self[f_function], {})
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help = field_func.get("help", False)
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if help:
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if self[f_function] != "count" and self[f_field_id]:
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desc = self[f_field_id].field_description
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self[f_helper] = help % desc
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else:
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self[f_helper] = help
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@api.one
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def _compute_active(self):
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ima = self.env["ir.model.access"]
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for rec in self:
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rec.active = ima.check(rec.model_id.model, "read", False)
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def _search_active(self, operator, value):
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cr = self.env.cr
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if operator != "=":
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raise except_orm(
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_("Unimplemented Feature. Search on Active field disabled.")
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)
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ima = self.env["ir.model.access"]
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ids = []
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cr.execute(
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"""
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SELECT tt.id, im.model
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FROM tile_tile tt
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INNER JOIN ir_model im
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ON tt.model_id = im.id"""
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)
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for result in cr.fetchall():
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if ima.check(result[1], "read", False) == value:
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ids.append(result[0])
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return [("id", "in", ids)]
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# Constraints and onchanges
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@api.multi
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@api.constrains("model_id", "primary_field_id", "secondary_field_id")
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def _check_model_id_field_id(self):
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for rec in self:
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if any(
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[
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rec.primary_field_id
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and rec.primary_field_id.model_id.id != rec.model_id.id,
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rec.secondary_field_id
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and rec.secondary_field_id.model_id.id != rec.model_id.id,
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]
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):
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raise ValidationError(
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_("Please select a field from the selected model.")
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)
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@api.onchange("model_id")
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def _onchange_model_id(self):
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self.primary_field_id = False
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self.secondary_field_id = False
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@api.onchange("primary_function", "secondary_function")
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def _onchange_function(self):
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if self.primary_function in [False, "count"]:
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self.primary_field_id = False
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if self.secondary_function in [False, "count"]:
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self.secondary_field_id = False
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# Action methods
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@api.multi
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def open_link(self):
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res = {
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"name": self.name,
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"view_type": "form",
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"view_mode": "tree",
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"view_id": [False],
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"res_model": self.model_id.model,
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"type": "ir.actions.act_window",
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"context": dict(self.env.context, group_by=False),
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"nodestroy": True,
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"target": "current",
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"domain": self.domain,
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}
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if self.action_id:
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res.update(
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self.action_id.read(["view_type", "view_mode", "type"])[0]
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)
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return res
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@api.model
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def add(self, vals):
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if "model_id" in vals and not vals["model_id"].isdigit():
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# need to replace model_name with its id
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vals["model_id"] = (
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self.env["ir.model"]
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.search([("model", "=", vals["model_id"])])
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.id
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)
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self.create(vals)
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