[IMP] portal, *: move language switcher to portal

*: base, http_routing, website

Make the language switcher available on portal without website
installed.

Part of https://github.com/odoo/odoo/pull/55300
task-2203383

Co-authored-by: Jeremy Kersten <jke@odoo.com>
Co-authored-by: qsm-odoo <qsm@odoo.com>

13 files changed, 102 insertions, 56 deletions

diff --git a/addons/http_routing/models/ir_http.py b/addons/http_routing/models/ir_http.py
index aa072912b31..6da75e3ef61 100644
--- a/addons/http_routing/models/ir_http.py
+++ b/addons/http_routing/models/ir_http.py
@@ -147,7 +147,7 @@ def url_lang(path_or_uri, lang_code=None):
     # relative URL with either a path or a force_lang
     if not url.netloc and not url.scheme and (url.path or force_lang):
         location = werkzeug.urls.url_join(request.httprequest.path, location)
-        lang_url_codes = [url_code for _, url_code, _ in Lang.get_available()]
+        lang_url_codes = [url_code for _, url_code, *_ in Lang.get_available()]
         lang_code = pycompat.to_text(lang_code or request.context['lang'])
         lang_url_code = Lang._lang_code_to_urlcode(lang_code)
         lang_url_code = lang_url_code if lang_url_code in lang_url_codes else lang_code
@@ -208,7 +208,7 @@ def is_multilang_url(local_url, lang_url_codes=None):
         2. If not matching 1., everything not under /static/ will be translatable
     '''
     if not lang_url_codes:
-        lang_url_codes = [url_code for _, url_code, _ in request.env['res.lang'].get_available()]
+        lang_url_codes = [url_code for _, url_code, *_ in request.env['res.lang'].get_available()]
     spath = local_url.split('/')
     # if a language is already in the path, remove it
     if spath[1] in lang_url_codes:
@@ -388,8 +388,7 @@ class IrHttp(models.AbstractModel):
             path = request.httprequest.path.split('/')
             is_a_bot = cls.is_a_bot()
 
-            available_langs = Lang.get_available()
-            lang_codes = [code for code, _, _ in available_langs]
+            lang_codes = [code for code, *_ in Lang.get_available()]
             nearest_lang = not func and cls.get_nearest_lang(Lang._lang_get_code(path[1]))
             cook_lang = request.httprequest.cookies.get('frontend_lang')
             cook_lang = cook_lang in lang_codes and cook_lang
diff --git a/addons/portal/models/__init__.py b/addons/portal/models/__init__.py
index c9f2b8d412c..1c70d12386a 100644
--- a/addons/portal/models/__init__.py
+++ b/addons/portal/models/__init__.py
@@ -2,6 +2,7 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 from . import ir_http
+from . import ir_ui_view
 from . import mail_thread
 from . import mail_message
 from . import portal_mixin
diff --git a/addons/portal/models/ir_http.py b/addons/portal/models/ir_http.py
index 3fad96ff9f1..9320f6d4f82 100644
--- a/addons/portal/models/ir_http.py
+++ b/addons/portal/models/ir_http.py
@@ -2,6 +2,7 @@
 # Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 from odoo import models
+from odoo.http import request
 
 
 class IrHttp(models.AbstractModel):
@@ -11,3 +12,9 @@ class IrHttp(models.AbstractModel):
     def _get_translation_frontend_modules_name(cls):
         mods = super(IrHttp, cls)._get_translation_frontend_modules_name()
         return mods + ['portal']
+
+    @classmethod
+    def _get_frontend_langs(cls):
+        if request and request.is_frontend:
+            return [lang[0] for lang in filter(lambda l: l[3], request.env['res.lang'].get_available())]
+        return super()._get_frontend_langs()
diff --git a/addons/portal/models/ir_ui_view.py b/addons/portal/models/ir_ui_view.py
new file mode 100644
index 00000000000..e51261170aa
--- /dev/null
+++ b/addons/portal/models/ir_ui_view.py
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, models
+from odoo.http import request
+from odoo.addons.http_routing.models.ir_http import url_for
+
+
+class View(models.Model):
+    _inherit = "ir.ui.view"
+
+    @api.model
+    def _prepare_qcontext(self):
+        """ Returns the qcontext : rendering context with portal specific value (required
+            to render portal layout template)
+        """
+        qcontext = super(View, self)._prepare_qcontext()
+        if request and getattr(request, 'is_frontend', False):
+            Lang = request.env['res.lang']
+            portal_lang_code = request.env['ir.http']._get_frontend_langs()
+            qcontext.update(dict(
+                self._context.copy(),
+                languages=[lang for lang in Lang.get_available() if lang[0] in portal_lang_code],
+                url_for=url_for,
+            ))
+        return qcontext
diff --git a/addons/portal/static/src/scss/portal.scss b/addons/portal/static/src/scss/portal.scss
index cdaccb9117c..604c0a70a25 100644
--- a/addons/portal/static/src/scss/portal.scss
+++ b/addons/portal/static/src/scss/portal.scss
@@ -535,3 +535,19 @@ form label {
         }
     }
 }
+
+// Copyright
+.o_footer_copyright {
+
+    .js_language_selector {
+        display: inline-block;
+    }
+    @include media-breakpoint-up(md) {
+        .row {
+            display: flex;
+            > div {
+                margin: auto 0;
+            }
+        }
+    }
+}
diff --git a/addons/portal/views/portal_templates.xml b/addons/portal/views/portal_templates.xml
index 195a7c5a7cb..7cbfe33844f 100644
--- a/addons/portal/views/portal_templates.xml
+++ b/addons/portal/views/portal_templates.xml
@@ -40,6 +40,32 @@
                 </div>
             </div>
         </xpath>
+        <xpath expr="//*[hasclass('o_footer_copyright_name')]" position="after">
+            <t t-call="portal.language_selector"/>
+        </xpath>
+    </template>
+
+    <template id="language_selector" name="Language Selector">
+        <t t-set="language_selector_visible" t-value="len(languages) &gt; 1"/>
+        <ul class="js_language_selector mb0 list-inline" t-if="language_selector_visible">
+            <li class="list-inline-item">
+                <div class="dropup">
+                    <button class="btn btn-sm btn-secondary dropdown-toggle" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
+                        <span t-esc="list(filter(lambda lg : lg[0] == lang, languages))[0][2].split('/').pop()"/>
+                        <span class="caret ml4"/>
+                    </button>
+                    <div class="dropdown-menu" role="menu">
+                        <t t-foreach="languages" t-as="lg">
+                            <a t-att-href="url_for(request.httprequest.path + '?' + keep_query(), lang_code=lg[0])"
+                            class="dropdown-item js_change_lang"
+                            t-att-data-url_code="lg[1]">
+                                <t t-esc="lg[2].split('/').pop()"/>
+                            </a>
+                        </t>
+                    </div>
+                </div>
+            </li>
+        </ul>
     </template>
 
     <template id="portal_breadcrumbs" name="Portal Breadcrumbs">
diff --git a/addons/website/models/ir_http.py b/addons/website/models/ir_http.py
index a3fa817754a..d29d367e5c2 100644
--- a/addons/website/models/ir_http.py
+++ b/addons/website/models/ir_http.py
@@ -216,7 +216,7 @@ class Http(models.AbstractModel):
     @classmethod
     def _get_frontend_langs(cls):
         if get_request_website():
-            return [code for code, _, _ in request.env['res.lang'].get_available()]
+            return [code for code, *_ in request.env['res.lang'].get_available()]
         else:
             return super()._get_frontend_langs()
 
diff --git a/addons/website/models/ir_ui_view.py b/addons/website/models/ir_ui_view.py
index e62b25f7399..c7169067cbb 100644
--- a/addons/website/models/ir_ui_view.py
+++ b/addons/website/models/ir_ui_view.py
@@ -9,7 +9,6 @@ import werkzeug
 from odoo import api, fields, models
 from odoo import tools
 from odoo.addons import website
-from odoo.addons.http_routing.models.ir_http import url_for
 from odoo.exceptions import AccessError
 from odoo.osv import expression
 from odoo.http import request
@@ -431,13 +430,10 @@ class View(models.Model):
                 ]
 
             qcontext.update(dict(
-                self._context.copy(),
                 main_object=self,
                 website=request.website,
                 is_view_active=request.website.is_view_active,
-                url_for=url_for,
                 res_company=request.website.company_id.sudo(),
-                languages=request.env['res.lang'].get_available(),
                 translatable=translatable,
                 editable=editable,
             ))
diff --git a/addons/website/models/res_lang.py b/addons/website/models/res_lang.py
index 9fc3f69e998..3c8ee9dcb52 100644
--- a/addons/website/models/res_lang.py
+++ b/addons/website/models/res_lang.py
@@ -19,8 +19,8 @@ class Lang(models.Model):
     @api.model
     @tools.ormcache_context(keys=("website_id",))
     def get_available(self):
-        """ Return the available languages as a list of (code, name) sorted by name. """
         website = ir_http.get_request_website()
-        if website:
-            return sorted([(lang.code, lang.url_code, lang.name) for lang in request.website.language_ids])
-        return super(Lang, self).get_available()
+        if not website:
+            return super().get_available()
+        # Return the website-available ones in this case
+        return request.website.language_ids.get_sorted()
diff --git a/addons/website/static/src/scss/website.scss b/addons/website/static/src/scss/website.scss
index 99f5fd9eef0..088ebb12b0e 100644
--- a/addons/website/static/src/scss/website.scss
+++ b/addons/website/static/src/scss/website.scss
@@ -864,22 +864,6 @@ header {
     }
 }
 
-// Copyright
-.o_footer_copyright {
-
-    .js_language_selector {
-        display: inline-block;
-    }
-    @include media-breakpoint-up(md) {
-        .row {
-            display: flex;
-            > div {
-                margin: auto 0;
-            }
-        }
-    }
-}
-
 // Figure with special style
 .o_figure_relative_layout {
     position: relative;
diff --git a/addons/website/views/website_templates.xml b/addons/website/views/website_templates.xml
index c74d73835ae..2d18621957f 100644
--- a/addons/website/views/website_templates.xml
+++ b/addons/website/views/website_templates.xml
@@ -156,9 +156,6 @@
         <!-- Background now controlled by css configuration, using color combinations -->
         <attribute name="class" add="o_colored_level o_cc" separator=" "/>
     </xpath>
-    <xpath expr="//div[hasclass('o_footer_copyright')]//span[hasclass('o_footer_copyright_name')]" position="after">
-        <t t-call="website.language_selector"/>
-    </xpath>
     <xpath expr="//t[@t-call='web.brand_promotion']/.." position="attributes">
         <attribute name="class" add="o_not_editable" separator=" "/>
         <attribute name="t-if">not editable</attribute>
@@ -594,25 +591,14 @@
     </xpath>
 </template>
 
-<template id="language_selector" name="Language Selector">
-    <ul class="js_language_selector mb0 list-inline" t-if="(request and request.is_frontend_multilang and len(languages) &gt; 1) or (website and (editable or translatable))">
-        <li class="list-inline-item">
-            <div class="dropup">
-                <button class="btn btn-sm btn-secondary dropdown-toggle" type="button" data-toggle="dropdown" aria-haspopup="true" aria-expanded="true">
-                    <span t-esc="list(filter(lambda lg : lg[0] == lang, languages))[0][2].split('/').pop()"/>
-                    <span class="caret ml4"/>
-                </button>
-                <div class="dropdown-menu" role="menu">
-                    <t t-foreach="languages" t-as="lg">
-                        <a t-att-href="url_for(request.httprequest.path + '?' + keep_query(), lang_code=lg[0])"
-                           class="dropdown-item js_change_lang"
-                           t-att-data-url_code="lg[1]">
-                            <t t-esc="lg[2].split('/').pop()"/>
-                        </a>
-                    </t>
-                </div>
-            </div>
-        </li>
+<template id="language_selector" inherit_id="portal.language_selector">
+    <!-- Always show the language selector on editable websites -->
+    <xpath expr="//t[@t-set='language_selector_visible']" position="after">
+        <t t-set="language_selector_visible" t-value="language_selector_visible or (website and (editable or translatable))"/>
+    </xpath>
+
+    <!-- Add the button to add a language -->
+    <xpath expr="//ul/li" position="after">
         <li groups="website.group_website_publisher" class="list-inline-item">
             <t t-set="url_return" t-value="quote_plus(url_for('', '[lang]') + '?' + keep_query())"/>
             <a class="d-none d-sm-block" t-attf-href="/web#action=base.action_view_base_language_install&amp;website_id=#{website.id if website else ''}&amp;url_return=#{url_return}">
@@ -620,7 +606,7 @@
                 Add a language...
             </a>
         </li>
-    </ul>
+    </xpath>
 </template>
 
 <template id="record_cover">
diff --git a/odoo/addons/base/models/res_lang.py b/odoo/addons/base/models/res_lang.py
index dcf901e1a22..f3f54eb3e96 100644
--- a/odoo/addons/base/models/res_lang.py
+++ b/odoo/addons/base/models/res_lang.py
@@ -209,9 +209,14 @@ class Lang(models.Model):
     @api.model
     @tools.ormcache()
     def get_available(self):
-        """ Return the available languages as a list of (code, name) sorted by name. """
+        """ Return the available languages as a list of (code, url_code, name,
+            active) sorted by name.
+        """
         langs = self.with_context(active_test=False).search([])
-        return sorted([(lang.code, lang.url_code, lang.name) for lang in langs], key=itemgetter(2))
+        return langs.get_sorted()
+
+    def get_sorted(self):
+        return sorted([(lang.code, lang.url_code, lang.name, lang.active) for lang in self], key=itemgetter(2))
 
     @tools.ormcache('self.id')
     def _get_cached_values(self):
@@ -229,7 +234,7 @@ class Lang(models.Model):
     @api.model
     @tools.ormcache('code')
     def _lang_code_to_urlcode(self, code):
-        for c, urlc, name in self.get_available():
+        for c, urlc, name, *_ in self.get_available():
             if c == code:
                 return urlc
         return self._lang_get(code).url_code
diff --git a/odoo/addons/base/wizard/base_language_install.py b/odoo/addons/base/wizard/base_language_install.py
index f9f495c56f8..0d4fd9bc233 100644
--- a/odoo/addons/base/wizard/base_language_install.py
+++ b/odoo/addons/base/wizard/base_language_install.py
@@ -20,7 +20,7 @@ class BaseLanguageInstall(models.TransientModel):
 
     @api.model
     def _get_languages(self):
-        return [[code, name] for code, _, name in self.env['res.lang'].get_available()]
+        return [[code, name] for code, _, name, *_ in self.env['res.lang'].get_available()]
 
     lang = fields.Selection(_get_languages, string='Language', required=True,
                             default=_default_language)