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# -*- coding: utf-8 -*-# Copyright 2015-2017 Onestein (<http://www.onestein.eu>)# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl.html).
import json
from odoo import api, fields, models, toolsfrom odoo.exceptions import Warning as UserErrorfrom odoo.tools.translate import _
class BveView(models.Model): _name = 'bve.view' _description = 'BI View Editor'
@api.depends('group_ids') @api.multi def _compute_users(self): for bve_view in self: group_ids = bve_view.sudo().group_ids if group_ids: bve_view.user_ids = group_ids.mapped('users') else: bve_view.user_ids = self.env['res.users'].sudo().search([])
@api.depends('name') @api.multi def _compute_model_name(self): for bve_view in self: name = [x for x in bve_view.name.lower() if x.isalnum()] model_name = ''.join(name).replace('_', '.').replace(' ', '.') bve_view.model_name = 'x_bve.' + model_name
name = fields.Char(required=True, copy=False) model_name = fields.Char(compute='_compute_model_name', store=True) note = fields.Text(string='Notes') state = fields.Selection( [('draft', 'Draft'), ('created', 'Created')], default='draft', copy=False) data = fields.Text( help="Use the special query builder to define the query " "to generate your report dataset. " "NOTE: Te be edited, the query should be in 'Draft' status.") action_id = fields.Many2one('ir.actions.act_window', string='Action') view_id = fields.Many2one('ir.ui.view', string='View') group_ids = fields.Many2many( 'res.groups', string='Groups', help="User groups allowed to see the generated report; " "if NO groups are specified the report will be public " "for everyone.") user_ids = fields.Many2many( 'res.users', string='Users', compute='_compute_users', store=True)
_sql_constraints = [ ('name_uniq', 'unique(name)', _('Custom BI View names must be unique!')), ]
@api.model def _get_format_data(self, data): data = data.replace('\'', '"') data = data.replace(': u"', ':"') return data
@api.multi def _create_view_arch(self): self.ensure_one()
def _get_field_def(name, type=False): if not type: return """<field name="x_{}" />""".format( name ) return """<field name="x_{}" type="{}" />""".format( name, type )
def _get_field_type(field_info): row = field_info['row'] and 'row' column = field_info['column'] and 'col' measure = field_info['measure'] and 'measure' return row or column or measure
def _get_field_list(fields_info): view_fields = [] all_fields = [] for field_info in fields_info: field_name = field_info['name'] field_type = field_info['type'] def_type = _get_field_type(field_info) field_def = _get_field_def(field_name, def_type) if def_type: view_fields.append(field_def) if field_type not in ['many2one', 'one2many', 'many2many']: all_fields.append(field_def) return view_fields, all_fields
fields_info = json.loads(self._get_format_data(self.data)) is_tree_view = self._context.get('no_empty')
view_fields, all_fields = _get_field_list(fields_info) if not view_fields and is_tree_view: view_fields = all_fields return view_fields
@api.multi def _create_tree_view_arch(self): self.ensure_one() return self.with_context(no_empty=True)._create_view_arch()
@api.multi def _create_bve_view(self): self.ensure_one()
# create views View = self.env['ir.ui.view'] old_views = View.sudo().search([('model', '=', self.model_name)]) old_views.sudo().unlink()
view_vals = [{ 'name': 'Pivot Analysis', 'type': 'pivot', 'model': self.model_name, 'priority': 16, 'arch': """<?xml version="1.0"?>
<pivot string="Pivot Analysis"> {} </pivot> """.format("".join(self._create_view_arch()))
}, { 'name': 'Graph Analysis', 'type': 'graph', 'model': self.model_name, 'priority': 16, 'arch': """<?xml version="1.0"?>
<graph string="Graph Analysis" type="bar" stacked="True"> {} </graph> """.format("".join(self._create_view_arch()))
}, { 'name': 'Search BI View', 'type': 'search', 'model': self.model_name, 'priority': 16, 'arch': """<?xml version="1.0"?>
<search string="Search BI View"> {} </search> """.format("".join(self._create_view_arch()))
}]
for vals in view_vals: View.sudo().create(vals)
# create Tree view tree_view = View.sudo().create( {'name': 'Tree Analysis', 'type': 'tree', 'model': self.model_name, 'priority': 16, 'arch': """<?xml version="1.0"?>
<tree string="List Analysis" create="false"> {} </tree> """.format("".join(self._create_tree_view_arch()))
})
# set the Tree view as the default one action_vals = { 'name': self.name, 'res_model': self.model_name, 'type': 'ir.actions.act_window', 'view_type': 'form', 'view_mode': 'tree,graph,pivot', 'view_id': tree_view.id, 'context': "{'service_name': '%s'}" % self.name, }
ActWindow = self.env['ir.actions.act_window'] action_id = ActWindow.sudo().create(action_vals) self.write({ 'action_id': action_id.id, 'view_id': tree_view.id, 'state': 'created' })
@api.multi def _build_access_rules(self, model): self.ensure_one()
def group_ids_with_access(model_name, access_mode): self.env.cr.execute('''SELECT
g.id FROM ir_model_access a JOIN ir_model m ON (a.model_id=m.id) JOIN res_groups g ON (a.group_id=g.id) LEFT JOIN ir_module_category c ON (c.id=g.category_id) WHERE m.model=%s AND a.active IS True AND a.perm_''' + access_mode, (model_name,))
return [x[0] for x in self.env.cr.fetchall()]
info = json.loads(self._get_format_data(self.data)) models = list(set([f['model'] for f in info])) read_groups = set.intersection(*[set( group_ids_with_access(model_name, 'read') ) for model_name in models])
# read access for group in read_groups: self.env['ir.model.access'].sudo().create({ 'name': 'read access to ' + self.model_name, 'model_id': model.id, 'group_id': group, 'perm_read': True, })
# read and write access for group in self.group_ids: self.env['ir.model.access'].sudo().create({ 'name': 'read-write access to ' + self.model_name, 'model_id': model.id, 'group_id': group.id, 'perm_read': True, 'perm_write': True, })
@api.model def _create_sql_view(self):
def get_fields_info(fields_data): fields_info = [] for field_data in fields_data: field = self.env['ir.model.fields'].browse(field_data['id']) vals = { 'table': self.env[field.model_id.model]._table, 'table_alias': field_data['table_alias'], 'select_field': field.name, 'as_field': 'x_' + field_data['name'], 'join': False, 'model': field.model_id.model } if field_data.get('join_node'): vals.update({'join': field_data['join_node']}) fields_info.append(vals) return fields_info
def get_join_nodes(info): join_nodes = [ (f['table_alias'], f['join'], f['select_field']) for f in info if f['join'] is not False] return join_nodes
def get_tables(info): tables = set([(f['table'], f['table_alias']) for f in info]) return tables
def get_fields(info): fields = [("{}.{}".format(f['table_alias'], f['select_field']), f['as_field']) for f in info if 'join_node' not in f] return fields
def check_empty_data(data): if not data: raise UserError(_('No data to process.'))
check_empty_data(self.data)
formatted_data = json.loads(self._get_format_data(self.data)) info = get_fields_info(formatted_data) fields = get_fields(info) tables = get_tables(info) join_nodes = get_join_nodes(info)
table_name = self.model_name.replace('.', '_') tools.drop_view_if_exists(self.env.cr, table_name)
# this line is only for robustness in case something goes wrong self._cr.execute('DROP TABLE IF EXISTS "%s"' % table_name)
basic_fields = [ ("t0.id", "id") ]
q = """CREATE or REPLACE VIEW %s as (
SELECT %s FROM %s WHERE %s )""" % (table_name, ','.join(
["{} AS {}".format(f[0], f[1]) for f in basic_fields + fields]), ','.join( ["{} AS {}".format(t[0], t[1]) for t in list(tables)]), " AND ".join( ["{}.{} = {}.id".format(j[0], j[2], j[1]) for j in join_nodes] + ["TRUE"]))
self.env.cr.execute(q)
@api.multi def action_create(self): self.ensure_one()
def _prepare_field(field_data): if not field_data['custom']: field = self.env['ir.model.fields'].browse(field_data['id']) vals = { 'name': 'x_' + field_data['name'], 'complete_name': field.complete_name, 'model': self.model_name, 'relation': field.relation, 'field_description': field_data.get( 'description', field.field_description), 'ttype': field.ttype, 'selection': field.selection, 'size': field.size, 'state': 'manual' } if vals['ttype'] == 'monetary': vals.update({'ttype': 'float'}) if field.ttype == 'selection' and not field.selection: model_obj = self.env[field.model_id.model] selection = model_obj._fields[field.name].selection selection_domain = str(selection) vals.update({'selection': selection_domain}) return vals
# create sql view self._create_sql_view()
# create model and fields data = json.loads(self._get_format_data(self.data)) model_vals = { 'name': self.name, 'model': self.model_name, 'state': 'manual', 'field_id': [ (0, 0, _prepare_field(field)) for field in data if 'join_node' not in field] } model = self.env['ir.model'].sudo().create(model_vals)
# give access rights self._build_access_rules(model)
# create tree, graph and pivot views self._create_bve_view()
@api.multi def open_view(self): self.ensure_one() [action] = self.action_id.read() action['display_name'] = _('BI View') return action
@api.multi def copy(self, default=None): self.ensure_one() default = dict(default or {}, name=_("%s (copy)") % self.name) return super(BveView, self).copy(default=default)
@api.multi def action_reset(self): self.ensure_one() if self.action_id: if self.action_id.view_id: self.action_id.view_id.sudo().unlink() self.action_id.sudo().unlink()
models = self.env['ir.model'].sudo().search( [('model', '=', self.model_name)]) for model in models: model.sudo().unlink()
table_name = self.model_name.replace('.', '_') tools.drop_view_if_exists(self.env.cr, table_name)
self.state = 'draft'
@api.multi def unlink(self): for view in self: if view.state == 'created': raise UserError( _('You cannot delete a created view! ' 'Reset the view to draft first.')) return super(BveView, self).unlink()
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