odoo_source/addons/website/models/mixins.py

# -*- coding: utf-8 -*-
# Part of Odoo. See LICENSE file for full copyright and licensing details.

import logging


from odoo import api, fields, models, _
from odoo.http import request
from odoo.osv import expression
from odoo.exceptions import AccessError

logger = logging.getLogger(__name__)


class SeoMetadata(models.AbstractModel):

    _name = 'website.seo.metadata'
    _description = 'SEO metadata'

    is_seo_optimized = fields.Boolean("SEO optimized", compute='_compute_is_seo_optimized')
    website_meta_title = fields.Char("Website meta title", translate=True)
    website_meta_description = fields.Text("Website meta description", translate=True)
    website_meta_keywords = fields.Char("Website meta keywords", translate=True)
    website_meta_og_img = fields.Char("Website opengraph image")

    @api.multi
    def _compute_is_seo_optimized(self):
        for record in self:
            record.is_seo_optimized = record.website_meta_title and record.website_meta_description and record.website_meta_keywords

    def _default_website_meta(self):
        """ This method will return default meta information. It return the dict
            contains meta property as a key and meta content as a value.
            e.g. 'og:type': 'website'.

            Override this method in case you want to change default value
            from any model. e.g. change value of og:image to product specific
            images instead of default images
        """
        self.ensure_one()
        company = request.website.company_id.sudo()
        title = (request.website or company).name
        if 'name' in self:
            title = '%s | %s' % (self.name, title)
        if request.website.social_default_image:
            img = '/web/image/website/%s/social_default_image' % request.website.id
        else:
            img = '/web/image/res.company/%s/logo' % company.id
        # Default meta for OpenGraph
        default_opengraph = {
            'og:type': 'website',
            'og:title': title,
            'og:site_name': company.name,
            'og:url': request.httprequest.url,
            'og:image': img,
        }
        # Default meta for Twitter
        default_twitter = {
            'twitter:card': 'summary_large_image',
            'twitter:title': title,
            'twitter:image': img + '/300x300',
        }
        if company.social_twitter:
            default_twitter['twitter:site'] = "@%s" % company.social_twitter.split('/')[-1]

        return {
            'default_opengraph': default_opengraph,
            'default_twitter': default_twitter
        }

    def get_website_meta(self):
        """ This method will return final meta information. It will replace
            default values with user's custom value (if user modified it from
            the seo popup of fronted)

            This method is not meant for overridden. To customize meta values
            override `_default_website_meta` method instead of this method. This
            method only replaces user custom values in defaults.
        """
        root_url = request.httprequest.url_root.strip('/')
        default_meta = self._default_website_meta()
        opengraph_meta, twitter_meta = default_meta['default_opengraph'], default_meta['default_twitter']
        if self.website_meta_title:
            opengraph_meta['og:title'] = self.website_meta_title
            twitter_meta['twitter:title'] = self.website_meta_title
        if self.website_meta_description:
            opengraph_meta['og:description'] = self.website_meta_description
            twitter_meta['twitter:description'] = self.website_meta_description
        meta_image = self.website_meta_og_img or opengraph_meta['og:image']
        if meta_image.startswith('/'):
            meta_image = "%s%s" % (root_url, meta_image)
        opengraph_meta['og:image'] = meta_image
        twitter_meta['twitter:image'] = meta_image
        return {
            'opengraph_meta': opengraph_meta,
            'twitter_meta': twitter_meta,
            'meta_description': default_meta.get('default_meta_description')
        }


class WebsiteMultiMixin(models.AbstractModel):

    _name = 'website.multi.mixin'
    _description = 'Multi Website Mixin'

    website_id = fields.Many2one('website', string='Website', help='Restrict publishing to this website.')

    @api.multi
    def can_access_from_current_website(self, website_id=False):
        can_access = True
        for record in self:
            if (website_id or record.website_id.id) not in (False, request.website.id):
                can_access = False
                continue
        return can_access


class WebsitePublishedMixin(models.AbstractModel):

    _name = "website.published.mixin"
    _description = 'Website Published Mixin'

    website_published = fields.Boolean('Visible on current website', related='is_published', readonly=False)
    is_published = fields.Boolean('Is published', copy=False)
    can_publish = fields.Boolean('Can publish', compute='_compute_can_publish')
    website_url = fields.Char('Website URL', compute='_compute_website_url', help='The full URL to access the document through the website.')

    @api.multi
    def _compute_website_url(self):
        for record in self:
            record.website_url = '#'

    @api.multi
    def website_publish_button(self):
        self.ensure_one()
        if self.env.user.has_group('website.group_website_publisher') and self.website_url != '#':
            # Force website to land on record's website to publish/unpublish it
            if 'website_id' in self and self.env.user.has_group('website.group_multi_website'):
                self.website_id._force()
            return self.open_website_url()
        return self.write({'website_published': not self.website_published})

    def open_website_url(self):
        return {
            'type': 'ir.actions.act_url',
            'url': self.website_url,
            'target': 'self',
        }

    @api.model_create_multi
    def create(self, vals_list):
        records = super(WebsitePublishedMixin, self).create(vals_list)

        is_publish_modified = any('website_published' in values for values in vals_list)
        if is_publish_modified and not all(record.can_publish for record in records):
            raise AccessError(self._get_can_publish_error_message())

        return records

    @api.multi
    def write(self, values):
        if 'website_published' in values and not all(record.can_publish for record in self):
            raise AccessError(self._get_can_publish_error_message())

        return super(WebsitePublishedMixin, self).write(values)

    def create_and_get_website_url(self, **kwargs):
        return self.create(kwargs).website_url

    @api.multi
    def _compute_can_publish(self):
        """ This method can be overridden if you need more complex rights management than just 'website_publisher'
        The publish widget will be hidden and the user won't be able to change the 'website_published' value
        if this method sets can_publish False """
        for record in self:
            record.can_publish = True

    @api.model
    def _get_can_publish_error_message(self):
        """ Override this method to customize the error message shown when the user doesn't
        have the rights to publish/unpublish. """
        return _("You do not have the rights to publish/unpublish")


class WebsitePublishedMultiMixin(WebsitePublishedMixin):

    _name = 'website.published.multi.mixin'
    _inherit = ['website.published.mixin', 'website.multi.mixin']
    _description = 'Multi Website Published Mixin'

    website_published = fields.Boolean(compute='_compute_website_published',
                                       inverse='_inverse_website_published',
                                       search='_search_website_published',
                                       related=False, readonly=False)

    @api.multi
    @api.depends('is_published', 'website_id')
    def _compute_website_published(self):
        current_website_id = self._context.get('website_id')
        for record in self:
            if current_website_id:
                record.website_published = record.is_published and (not record.website_id or record.website_id.id == current_website_id)
            else:
                record.website_published = record.is_published

    @api.multi
    def _inverse_website_published(self):
        for record in self:
            record.is_published = record.website_published

    def _search_website_published(self, operator, value):
        if not isinstance(value, bool) or operator not in ('=', '!='):
            logger.warning('unsupported search on website_published: %s, %s', operator, value)
            return [()]

        if operator in expression.NEGATIVE_TERM_OPERATORS:
            value = not value

        current_website_id = self._context.get('website_id')
        is_published = [('is_published', '=', value)]
        if current_website_id:
            on_current_website = self.env['website'].website_domain(current_website_id)
            return (['!'] if value is False else []) + expression.AND([is_published, on_current_website])
        else:  # should be in the backend, return things that are published anywhere
            return is_published