From 4810b07ed11a801d2f592f104ed311ec3a54ea08 Mon Sep 17 00:00:00 2001
From: mjanez <96422458+mjanez@users.noreply.github.com>
Date: Mon, 16 Sep 2024 11:20:35 +0200
Subject: [PATCH] Improve general UI, Home

- Add new home to include detailed stats about portal and categories (themes) with datasets.
- Improve header/footer. Move language selector and fix responsive of general web.
---
 ckanext/schemingdcat/helpers.py               | 403 ++++++++++++++----
 ckanext/schemingdcat/subscriptions.py         |  46 ++
 ckanext/schemingdcat/templates/footer.html    |  44 ++
 ckanext/schemingdcat/templates/header.html    |  42 +-
 .../schemingdcat/templates/home/index.html    |   2 +-
 .../schemingdcat/templates/home/layout1.html  |  24 +-
 .../schemingdcat/templates/home/layout2.html  |   2 +-
 .../schemingdcat/templates/home/layout3.html  |   2 +-
 .../schemingdcat/templates/home/layout4.html  |  41 ++
 .../templates/home/snippets/about_portal.html |  51 +++
 .../templates/home/snippets/about_themes.html |  42 ++
 .../home/snippets/endpoints_layout1.html      |   4 +-
 .../templates/home/snippets/search.html       |  18 +-
 .../snippets/header_language_selector.html    |  15 +
 14 files changed, 619 insertions(+), 117 deletions(-)
 create mode 100644 ckanext/schemingdcat/subscriptions.py
 create mode 100644 ckanext/schemingdcat/templates/footer.html
 create mode 100644 ckanext/schemingdcat/templates/home/layout4.html
 create mode 100644 ckanext/schemingdcat/templates/home/snippets/about_portal.html
 create mode 100644 ckanext/schemingdcat/templates/home/snippets/about_themes.html
 create mode 100644 ckanext/schemingdcat/templates/schemingdcat/snippets/header_language_selector.html

diff --git a/ckanext/schemingdcat/helpers.py b/ckanext/schemingdcat/helpers.py
index a6c5239c..9574a562 100644
--- a/ckanext/schemingdcat/helpers.py
+++ b/ckanext/schemingdcat/helpers.py
@@ -1,22 +1,24 @@
-from ckan.common import json, c, request, is_flask_request
-from ckan.lib import helpers as ckan_helpers
-import ckan.logic as logic
-from ckan import model
-from ckan.lib.i18n import get_available_locales, get_lang
-import ckan.plugins as p
 import six
 import re
 import yaml
+from collections import defaultdict
+import json
+from typing import Dict, List, Union
 from yaml.loader import SafeLoader
 from pathlib import Path
 from functools import lru_cache
 import datetime
-import typing
 from urllib.parse import urlparse, unquote
 from urllib.error import URLError
-
 from six.moves.urllib.parse import urlencode
 
+from ckan.common import json, c, request
+from ckan.lib import helpers as ckan_helpers
+import ckan.logic as logic
+from ckan import model
+from ckan.lib.i18n import get_available_locales, get_lang
+import ckan.plugins as p
+
 from ckanext.scheming.helpers import (
     scheming_choices_label,
     scheming_language_text,
@@ -35,7 +37,7 @@
 from ckanext.schemingdcat.utils import (
     get_facets_dict,
     public_file_exists,
-    public_dir_exists,
+    public_dir_exists
 )
 from ckanext.dcat.utils import CONTENT_TYPES, get_endpoint
 from ckanext.fluent.validators import LANG_SUFFIX
@@ -100,6 +102,26 @@ def schemingdcat_get_schema_dataset_types():
     """
     return [schema["dataset_type"] for schema in sdct_config.schemas.values()]
 
+
+@helper
+def get_facet_items_with_deserialized_names(facet_items):
+    import json
+    for item in facet_items:
+        try:
+            # Verificar si las cadenas no están vacías antes de deserializar
+            if item['name'] and item['display_name']:
+                names = json.loads(item['name'])
+                display_names = json.loads(item['display_name'])
+                
+                # Combinar las listas
+                item['combined'] = list(zip(names, display_names))
+            else:
+                item['combined'] = []
+        except json.JSONDecodeError:
+            item['combined'] = []
+        
+    return facet_items
+
 @helper
 def schemingdcat_default_facet_search_operator():
     """Return the default facet search operator: AND/OR.
@@ -203,84 +225,108 @@ def schemingdcat_get_facet_items_dict(
     match each facet item).
 
     Reads the complete list of facet items for the given facet from
-    c.search_facets, and filters out the facet items that the user has already
+    search_facets, and filters out the facet items that the user has already
     selected.
 
     List of facet items are ordered acording the faccet_sort parameter
 
     Arguments:
     facet -- the name of the facet to filter.
-    search_facets -- dict with search facets(c.search_facets in Pylons)
+    search_facets -- dict with search facets in Flask (c.search_facets in Pylons)
     limit -- the max. number of facet items to return.
     exclude_active -- only return unselected facets.
     scheming_choices -- scheming choices to use to get label from value.
 
     """
 
-    # log.debug("Returning facets for: {0}".format(facet))
+    #log.debug("Returning facets for: {0}".format(facet))
 
     order = "default"
     items = []
+    seen_items = set()
 
     search_facets = search_facets or getattr(c, "search_facets", None)
-
+    #log.debug("search_facets RAW: {0}".format(search_facets))
+    
     if (
-        search_facets
-        and isinstance(search_facets, dict)
-        and search_facets.get(facet, {}).get("items")
-    ):
-        for facet_item in search_facets.get(facet)["items"]:
-            if scheming_choices:
-                facet_item["label"] = scheming_choices_label(
-                    scheming_choices, facet_item["name"]
+            search_facets
+            and isinstance(search_facets, dict)
+            and search_facets.get(facet, {}).get("items")
+        ):
+            for facet_item in search_facets.get(facet)["items"]:
+                try:
+                    names = [facet_item["name"]]
+                    display_names = [facet_item["display_name"]]
+                    labels =  [facet_item.get("label", facet_item["display_name"])]
+                except (ValueError, SyntaxError) as e:
+                    log.error("Error parsing facet_item: {0}".format(e))
+                    continue
+        
+                # Make sure labels are the same size as names and display_names.
+                if len(labels) != len(names):
+                    labels = display_names
+    
+                for name, display_name, label in zip(names, display_names, labels):
+                    item = {
+                        "name": name,
+                        "display_name": display_name,
+                        "count": facet_item["count"],
+                        "label": label
+                    }
+    
+                    if scheming_choices:
+                        item["label"] = scheming_choices_label(
+                            scheming_choices, item["name"]
+                        )
+                    else:
+                        item["label"] = item["display_name"]
+    
+                    if not len(item["name"].strip()):
+                        log.debug("Skipping facet_item with empty name")
+                        continue
+    
+                    # Avoid duplicates
+                    item_key = (item["name"], item["display_name"], item["label"])
+                    if item_key in seen_items:
+                        continue
+                    seen_items.add(item_key)
+    
+                    params_items = request.args.items(multi=True)
+    
+                    if (facet, item["name"]) not in params_items:
+                        items.append(dict(active=False, **item))
+                    elif not exclude_active:
+                        items.append(dict(active=True, **item))
+    
+                    order_lst = request.args.getlist("_%s_sort" % facet)
+                    if len(order_lst):
+                        order = order_lst[0]
+                        log.debug("order: {0}".format(order))
+    
+            # Sort descending by count and ascending by case-sensitive display name
+            sorts = {
+                "name": ("label", False),
+                "name_r": ("label", True),
+                "count": ("count", False),
+                "count_r": ("count", True),
+            }
+            if sorts.get(order):
+                items.sort(
+                    key=lambda it: (it[sorts.get(order)[0]]), reverse=sorts.get(order)[1]
                 )
             else:
-                facet_item["label"] = facet_item["display_name"]
-
-            if not len(facet_item["name"].strip()):
-                continue
-
-            params_items = (
-                request.params.items(multi=True)
-                if is_flask_request()
-                else request.params.items()
-            )
-
-            if not (facet, facet_item["name"]) in params_items:
-                items.append(dict(active=False, **facet_item))
-            elif not exclude_active:
-                items.append(dict(active=True, **facet_item))
-
-            #    log.debug("params: {0}:{1}".format(
-            #    facet,request.params.getlist("_%s_sort" % facet)))
-            order_lst = request.params.getlist("_%s_sort" % facet)
-            if len(order_lst):
-                order = order_lst[0]
-        #     Sort descendingly by count and ascendingly by case-sensitive display name
-        #    items.sort(key=lambda it: (-it['count'], it['display_name'].lower()))
-        sorts = {
-            "name": ("label", False),
-            "name_r": ("label", True),
-            "count": ("count", False),
-            "count_r": ("count", True),
-        }
-        if sorts.get(order):
-            items.sort(
-                key=lambda it: (it[sorts.get(order)[0]]), reverse=sorts.get(order)[1]
-            )
-        else:
-            items.sort(key=lambda it: (-it["count"], it["label"].lower()))
-
-        if hasattr(c, "search_facets_limits"):
-            if c.search_facets_limits and limit is None:
-                limit = c.search_facets_limits.get(facet)
-        # zero treated as infinite for hysterical raisins
-        if limit is not None and limit > 0:
-            return items[:limit]
+                items.sort(key=lambda it: (-it["count"], it["label"].lower()))
+    
+            if hasattr(c, "search_facets_limits"):
+                if c.search_facets_limits and limit is None:
+                    limit = c.search_facets_limits.get(facet)
+    
+            # zero treated as infinite for hysterical raisins
+            if limit is not None and limit > 0:
+                return items[:limit]
 
     return items
 
-
 @helper
 def schemingdcat_new_order_url(facet_name, order_concept, extras=None):
     """Return a URL with the order parameter for the given facet and concept to use.
@@ -297,7 +343,7 @@ def schemingdcat_new_order_url(facet_name, order_concept, extras=None):
     """
     old_order = None
     order_param = "_%s_sort" % facet_name
-    order_lst = request.params.getlist(order_param)
+    order_lst = request.args.getlist(order_param)
     if not extras:
         extras = {}
 
@@ -315,11 +361,8 @@ def schemingdcat_new_order_url(facet_name, order_concept, extras=None):
 
     new_order = order_mapping.get(order_concept, {}).get(old_order)
 
-    params_items = (
-        request.params.items(multi=True)
-        if is_flask_request()
-        else request.params.items()
-    )
+    params_items = request.args.items(multi=True)
+
     params_nopage = [(k, v) for k, v in params_items if k != order_param]
 
     if new_order:
@@ -330,6 +373,41 @@ def schemingdcat_new_order_url(facet_name, order_concept, extras=None):
 
     return url
 
+@helper
+def schemingdcat_get_open_data_statistics():
+    """
+    Retrieves Open Data portal statistics including counts of datasets, distributions, groups, organizations, tags, spatial datasets, and endpoints.
+
+    Returns:
+        dict: A dictionary containing the counts of various site elements.
+    """
+    return sdct_config.open_data_statistics
+
+@helper
+def schemingdcat_get_social_links(platform=None):
+    """
+    Retrieves social media links for GitHub, LinkedIn, and X from the configuration.
+    
+    Args:
+        platform (str, optional): The specific platform to retrieve the link for. 
+                                  Can be 'github', 'linkedin', or 'x'. 
+                                  If None, returns a dictionary with all links.
+    
+    Returns:
+        dict or str: A dictionary containing the social media links for GitHub, LinkedIn, and X,
+                     or a single link if a platform is specified.
+    """
+    social_links = {
+        'github': sdct_config.social_github,
+        'linkedin': sdct_config.social_linkedin,
+        'x': sdct_config.social_x
+    }
+    
+    if platform:
+        return social_links.get(platform.lower(), None)
+    
+    return social_links
+
 @helper
 def schemingdcat_get_facet_list_limit():
     """
@@ -388,7 +466,37 @@ def schemingdcat_get_default_icon(field):
     """
     if "default_icon" in field:
         return field["default_icon"]
-    
+
+@helper
+def schemingdcat_get_inspire_dcat_types():
+    """
+    Returns the configuration value for INSPIRE DCAT types.
+
+    This function retrieves the configuration value that specifies the INSPIRE 
+    DCAT types. These types are used to categorize datasets according to the 
+    INSPIRE directive. The function returns the value of the configuration 
+    setting `INSPIRE_DCAT_TYPES`.
+
+    Returns:
+        list: A list of strings representing the INSPIRE DCAT types.
+    """
+    return sdct_config.INSPIRE_DCAT_TYPES
+
+@helper
+def schemingdcat_get_dataset_custom_facets():
+    """
+    Returns the custom facets for datasets from the configuration.
+
+    This function retrieves the custom facets for datasets as specified in the 
+    configuration. These custom facets are used to categorize datasets according 
+    to specific criteria defined in the configuration. The function returns the 
+    value of the configuration setting `dataset_custom_facets`.
+
+    Returns:
+        list: A list of strings representing the custom facets for datasets.
+    """
+    return sdct_config.dataset_custom_facets
+
 @helper
 def schemingdcat_get_default_package_item_icon():
     """
@@ -545,7 +653,7 @@ def schemingdcat_get_choice_item(field, value):
         dict: The whole option item in scheming, or None if not found.
     """
     if field and ("choices" in field):
-        # log.debug("Searching: {0} en {1}".format(value,field['choices']))
+        #log.debug("Searching: {0} en {1}".format(value,field['choices']))
         for choice in field["choices"]:
             if choice["value"] == value:
                 return choice
@@ -793,6 +901,8 @@ def schemingdcat_get_catalog_endpoints():
             "type": item["type"],
             "profile": item["profile"],
             "profile_label": item["profile_label"],
+            "profile_label_order": item["profile_label_order"],
+            "profile_info_url": item["profile_info_url"],
             "endpoint": get_endpoint("catalog")
             if item.get("type").lower() == "lod"
             else csw_uri.format(version=item["version"])
@@ -965,6 +1075,25 @@ def parse_json(value, default_value=None):
             return default_value
         return value
 
+@helper
+def get_root_path():
+    """
+    Retrieve the root path from the CKAN configuration, removing the '{{LANG}}' placeholder if present.
+
+    This function fetches the 'ckan.root_path' configuration setting and removes the '/{{LANG}}' 
+    placeholder if it exists in the path.
+
+    Returns:
+        str: The root path with the '{{LANG}}' placeholder removed if it was present.
+    """
+    root_path = p.toolkit.config.get('ckan.root_path')
+    
+    # Removes the '{{LANG}}' part if present in the root_path
+    if root_path and '{{LANG}}' in root_path:
+        root_path = root_path.replace('/{{LANG}}', '')
+    
+    return root_path
+
 @helper
 def get_langs():
     """
@@ -1279,9 +1408,9 @@ def schemingdcat_get_dataset_schema(schema_type="dataset"):
 
 @lru_cache(maxsize=100)
 @helper
-def schemingdcat_get_cached_schema(dataset_type="dataset"):
+def schemingdcat_get_cached_schema(dataset_type='dataset'):
     """
-    Retrieves the schema for the dataset instance and caches it using the LRU cache decorator for efficient retrieval.
+    Retrieve the cached schema for a given dataset type.
 
     Args:
         dataset_type (str, optional): The type of schema to retrieve. Defaults to 'dataset'.
@@ -1289,6 +1418,9 @@ def schemingdcat_get_cached_schema(dataset_type="dataset"):
     Returns:
         dict: The schema of the dataset instance.
     """
+    if sdct_config.schemas is None:
+        raise ValueError("sdct_config.schemas is not initialized")
+    
     return sdct_config.schemas.get(dataset_type, {})
 
 @helper
@@ -1310,7 +1442,7 @@ def schemingdcat_get_schema_form_groups(entity_type=None, object_type=None, sche
 
 # Vocabs
 @helper
-def get_inspire_themes(*args, **kwargs) -> typing.List[typing.Dict[str, str]]:
+def get_inspire_themes(*args, **kwargs) -> List[Dict[str, str]]:
     log.debug(f"inside get_inspire_themes {args=} {kwargs=}")
     try:
         inspire_themes = p.toolkit.get_action("tag_list")(
@@ -1406,6 +1538,55 @@ def get_spatial_datasets(count=10):
     
     return result['results']
 
+@lru_cache(maxsize=None)
+@helper
+def get_theme_datasets(field='theme', count=10, ):
+    """
+    This helper function retrieves a specified number of featured datasets from the CKAN instance. 
+    It uses the 'package_search' action of the CKAN logic layer to perform a search with specific parameters.
+    
+    Parameters:
+    field (str): The field to search for in the dataset extras. Default is 'theme'.
+    count (int): The number of featured datasets to retrieve. Default is 10.
+
+    Returns:
+    list: A list of unique values from the specified field in the featured datasets.
+    """
+    search_dict = {
+        'fl': 'extras_' + field,
+        'rows': count
+    }
+    context = {'model': model, 'session': model.Session}
+    result = logic.get_action('package_search')(context, search_dict)
+    
+    return result['results']
+
+@lru_cache(maxsize=None)
+@helper
+def get_unique_themes():
+    """
+    Retrieves unique themes from the dataset extras field specified by the default package item icon.
+
+    This helper function uses the `get_theme_datasets` function to fetch datasets and then extracts
+    unique values from the specified field. The results are cached to improve performance.
+
+    Returns:
+        list: A list of unique themes extracted from the specified field in the dataset extras.
+    """
+    field_name = schemingdcat_get_default_package_item_icon()
+    themes = get_theme_datasets(field_name)
+    
+    # Use a set to store unique values
+    unique_values = set()
+    for dataset in themes:
+        value = dataset.get(field_name)
+        if value:
+            # Parse the JSON string and add each value to the set
+            unique_values.update(json.loads(value))
+    
+    # Return the unique values as a list
+    return list(unique_values)
+
 @lru_cache(maxsize=None)
 @helper
 def get_header_endpoint_url(endpoint, site_protocol_and_host):
@@ -1557,4 +1738,74 @@ def schemingdcat_slugify(s):
     Returns:
         str: The slugified string with only alphanumeric characters.
     """
-    return sdct_config.slugify_pat.sub('', s)
\ No newline at end of file
+    return sdct_config.slugify_pat.sub('', s)
+
+@helper
+def schemingdcat_get_theme_statistics(themes: List[Dict], theme_field='theme', icons_dir=None) -> List[Dict]:
+    """
+    Retrieve statistics for each unique theme in the provided list.
+
+    Args:
+        themes (list): A list of dictionaries containing theme information.
+        theme_field (str): The key where the theme data is stored in each dictionary.
+        icons_dir (str, optional): Directory where the icons are stored.
+
+    Returns:
+        list[dict]: A list of dictionaries containing the count, icon, theme, and label for each unique theme.
+    """
+    
+    if icons_dir is None:
+        icons_dir = schemingdcat_get_icons_dir(field_name=theme_field)
+    
+    # Use a defaultdict to store unique themes and their counts
+    theme_counts = defaultdict(int)
+
+    # Iterate over the themes and count occurrences
+    for theme_dict in themes:
+        theme_value = theme_dict.get(theme_field)  # Access 'theme' using the provided field name
+        if theme_value:
+            try:
+                parsed_values = json.loads(theme_value)  # Parse the JSON only once per theme
+            except json.JSONDecodeError:
+                continue  # Skip if theme_value is not valid JSON
+            for val in parsed_values:
+                theme_counts[val] += 1
+
+    # Generate the final list of dictionaries
+    stats = [
+        {
+            'count': count,
+            'icon': schemingdcat_get_icon(icons_dir=icons_dir, choice_value=theme),
+            'value': theme,
+            'label': theme.split('/')[-1],  # Use split only once
+            'field_name': theme_field,
+        }
+        for theme, count in theme_counts.items()  # Process items directly without separate for loop
+    ]
+
+    return stats
+
+@helper
+def schemingdcat_update_open_data_statistics() -> Dict[str, Union[int, List[Dict[str, Union[int, str]]]]]:
+    """
+    Retrieve Open Data portal statistics including counts of datasets, distributions, groups, organizations, tags, spatial datasets, and endpoints.
+
+    Returns:
+        dict: A dictionary containing the counts of various site elements.
+    """
+    actions = logic.get_action
+    
+    theme_field = schemingdcat_get_default_package_item_icon()
+    themes = get_theme_datasets(theme_field)
+    themes_stats = schemingdcat_get_theme_statistics(themes, theme_field)
+
+    sdct_config.open_data_statistics = {
+        'dataset_count': actions('package_search')({}, {"rows": 1})['count'],
+        'distribution_count': actions('package_search')({}, {"rows": 1})['count'],
+        'group_count': len(actions('group_list')({}, {})),
+        'organization_count': len(actions('organization_list')({}, {})),
+        'tag_count': len(actions('tag_list')({}, {})),
+        'spatial_dataset_count': len(get_spatial_datasets()),
+        'endpoints_count': len(schemingdcat_get_catalog_endpoints()),
+        'themes_stats': themes_stats,
+    }
\ No newline at end of file
diff --git a/ckanext/schemingdcat/subscriptions.py b/ckanext/schemingdcat/subscriptions.py
new file mode 100644
index 00000000..93ab35bd
--- /dev/null
+++ b/ckanext/schemingdcat/subscriptions.py
@@ -0,0 +1,46 @@
+from __future__ import annotations
+import logging
+from typing import Any
+
+import ckan.plugins as p
+from ckan import types
+
+import ckanext.schemingdcat.config as sdct_config
+from ckanext.schemingdcat.helpers import schemingdcat_update_open_data_statistics
+
+log = logging.getLogger(__name__)
+
+def get_subscriptions():
+    return {
+        p.toolkit.signals.action_succeeded: [
+            {"sender": "bulk_update_public", "receiver": stats_changed},
+            {"sender": "bulk_update_private", "receiver": stats_changed},
+            {"sender": "bulk_update_delete", "receiver": stats_changed},
+            {"sender": "package_create", "receiver": stats_changed},
+            {"sender": "package_update", "receiver": stats_changed},
+            {"sender": "package_delete", "receiver": stats_changed},
+            {"sender": "group_create", "receiver": stats_changed},
+            {"sender": "group_update", "receiver": stats_changed},
+            {"sender": "group_delete", "receiver": stats_changed},
+            {"sender": "organization_create", "receiver": stats_changed},
+            {"sender": "organization_update", "receiver": stats_changed},
+            {"sender": "organization_delete", "receiver": stats_changed},
+        ]
+    }
+    
+def stats_changed(sender: str, **kwargs: Any):
+    """
+    Handles the event when certain actions are performed and updates site statistics.
+
+    Args:
+        sender (str): The name of the sender that triggered the event.
+        **kwargs (Any): Additional keyword arguments passed to the function.
+
+    Raises:
+        Exception: If updating site statistics fails, an error is logged.
+    """
+    try:
+        schemingdcat_update_open_data_statistics()
+        log.debug(f"schemingdcat subscription -> [{sender}]. Update Open Data site statistics")
+    except Exception as e:
+        log.error(f"Failed to Update Open Data site statistics: {e}")
\ No newline at end of file
diff --git a/ckanext/schemingdcat/templates/footer.html b/ckanext/schemingdcat/templates/footer.html
new file mode 100644
index 00000000..71ca6e76
--- /dev/null
+++ b/ckanext/schemingdcat/templates/footer.html
@@ -0,0 +1,44 @@
+<footer class="site-footer">
+    <div class="container">
+      {% block footer_content %}
+      <div class="row d-flex align-items-start">
+        <div class="col-md-8 footer-links d-flex flex-column">
+          {% block footer_nav %}
+            <div class="footer-sitelinks">
+              <ul class="list-unstyled">
+                {% block footer_links_ckan %}
+                  {% set api_url = 'http://docs.ckan.org/en/{0}/api/'.format(g.ckan_doc_version) %}
+                  <li><a href="{{ h.url_for('home.about') }}">{{ _('About {0}').format(g.site_title) }}</a></li>
+                  <li><a href="{{ api_url }}">{{ _('CKAN API') }}</a></li>
+                  <li><a href="http://www.ckan.org/">{{ _('CKAN Association') }}</a></li>
+                  <li><a href="http://www.opendefinition.org/okd/"><img src="{{ h.url_for_static('/base/images/od_80x15_blue.png') }}" alt="Open Data"></a></li>
+                {% endblock %}
+              </ul>
+            </div>
+          {% endblock %}
+        </div>
+        <div class="col-md-4 attribution d-flex flex-column align-items-start">
+          {% block footer_attribution %}
+            <div class="footer-powered-ckan">
+              <p>{% trans %}<strong>Powered by</strong> <a class="hide-text ckan-footer-logo" href="http://ckan.org">CKAN</a>{% endtrans %}</p>
+            </div>
+          {% endblock %}
+          {% block footer_social %}
+          {% set social = h.schemingdcat_get_social_links() %}
+            <div class="footer-socicons">
+                <a href="{{ h.url_for_static_or_external(social.github) }}" class="icon-button">
+                    <span class="fab fa-github"></span>
+                </a>
+                <a href="{{ h.url_for_static_or_external(social.x) }}" class="icon-button">
+                  <span class="fab fa-twitter"></span>
+                </a>
+                <a href="{{ h.url_for_static_or_external(social.linkedin) }}" class="icon-button">
+                  <span class="fab fa-linkedin"></span>
+                </a>
+            </div>
+          {% endblock %}
+        </div>
+      </div>
+      {% endblock %}
+    </div>
+  </footer>
\ No newline at end of file
diff --git a/ckanext/schemingdcat/templates/header.html b/ckanext/schemingdcat/templates/header.html
index e4eaa2d7..484f1092 100644
--- a/ckanext/schemingdcat/templates/header.html
+++ b/ckanext/schemingdcat/templates/header.html
@@ -15,22 +15,40 @@
     </a>
   </li>
   {{ super() }}
+  {% block header_lang_logged %}
+    <li class="nav-item dropdown">
+      {% snippet "schemingdcat/snippets/header_language_selector.html" %}
+    </li>
+  {% endblock %}
 {% endblock %}
 
-{%- block header_debug %} {%- if g.debug and not g.debug_supress_header %}
-        <div class="custom-debug"><strong>Debug info:</strong><br>Controller : {{ c.controller }}<br/>Action : {{ c.action }}</div>
-{%- endif %} {%- endblock %}
+{% block header_account_notlogged %}
+  {{ super() }}
+  
+  {% block header_lang_notlogged %}
+    <li class="nav-item dropdown">
+      {% snippet "schemingdcat/snippets/header_language_selector.html" %}
+    </li>
+  {% endblock %}
+{% endblock %}
+
+{% block header_debug %} {% if g.debug and not g.debug_supress_header %}
+  <div class="custom-debug">
+    <strong>Debug info:</strong>
+    <br/>
+    Blueprint : {{ g.blueprint }}
+    <br/>
+    View : {{ g.view }}
+  </div>
+{% endif %} {% endblock %}
 
 {% block header_logo %}
+  <a class="logo" href="{{ h.url_for('home.index') }}">
     {% if g.site_logo %}
-            <a class="logo" href="{{ h.url_for('home.index') }}">
-            <img src="{{ h.url_for_static_or_external(g.site_logo) }}" alt="{{ g.site_title }}"
-                title="{{ g.site_title }}" />
-            </a>
-        {% else %}
-            <a class="logo" href="{{ h.url_for('home.index') }}">
-                <img src="{{ h.url_for_static_or_external('/images/default/ckan-logo.png') }}" alt="{{ g.site_title }}"
-                    title="{{ g.site_title }}" />
-            </a>
+      {% set logo_url = g.site_logo if h.get_root_path() in g.site_logo else h.url_for_static_or_external(g.site_logo) %}
+    {% else %}
+      {% set logo_url = h.url_for_static_or_external('/images/default/ckan-logo.png') %}
     {% endif %}
+    <img src="{{ logo_url }}" alt="{{ g.site_title }}" title="{{ g.site_title }}" />
+  </a>
 {% endblock %}
\ No newline at end of file
diff --git a/ckanext/schemingdcat/templates/home/index.html b/ckanext/schemingdcat/templates/home/index.html
index 5e28bf89..8d5beff9 100644
--- a/ckanext/schemingdcat/templates/home/index.html
+++ b/ckanext/schemingdcat/templates/home/index.html
@@ -12,7 +12,7 @@
       {{ self.flash() }}
     </div>
     {% block primary_content %}
-      {% snippet "home/layout{0}.html".format(homepage_style) %}
+      {% snippet "home/layout{0}.html".format(homepage_style), search_facets=search_facets %}
     {% endblock %}
   </div>
 {% endblock %}
\ No newline at end of file
diff --git a/ckanext/schemingdcat/templates/home/layout1.html b/ckanext/schemingdcat/templates/home/layout1.html
index e116d787..d6f0507b 100644
--- a/ckanext/schemingdcat/templates/home/layout1.html
+++ b/ckanext/schemingdcat/templates/home/layout1.html
@@ -4,10 +4,7 @@
       <div class="row row1">
         <div class="col-md-12">
           {% block search %}
-            {% snippet 'home/snippets/search.html' %}
-          {% endblock %}
-          {% block endpoints %}
-            {% snippet 'home/snippets/endpoints_layout1.html' %}
+            {% snippet 'home/snippets/search.html', search_facets=search_facets %}
           {% endblock %}
         </div>
       </div>
@@ -16,19 +13,16 @@
   <div class="main">
     <div class="container">
       <div class="row row2">
-        <div class="col-md-6 col1">
-          {# Note: this featured_group block is used as an example in the theming
-             tutorial in the docs! If you change this code, be sure to check
-             whether you need to update the docs. #}
-          {# Start template block example. #}
-          {% block featured_group %}
-            {% snippet 'home/snippets/featured_group.html' %}
+        <div class="col-md-12">
+          {% block about_portal %}
+            {% snippet 'home/snippets/about_portal.html' %}
           {% endblock %}
-          {# End template block example. #}
         </div>
-        <div class="col-md-6 col2">
-          {% block featured_organization %}
-            {% snippet 'home/snippets/featured_organization.html' %}
+      </div>
+      <div class="row row2"></div>
+        <div class="col-md-12">
+          {% block about_themes %}
+            {% snippet 'home/snippets/about_themes.html' %}
           {% endblock %}
         </div>
       </div>
diff --git a/ckanext/schemingdcat/templates/home/layout2.html b/ckanext/schemingdcat/templates/home/layout2.html
index 79e53de7..a429bcdd 100644
--- a/ckanext/schemingdcat/templates/home/layout2.html
+++ b/ckanext/schemingdcat/templates/home/layout2.html
@@ -3,7 +3,7 @@
       <div class="row row1">
         <div class="col-md-6 col1">
           {% block search %}
-            {% snippet 'home/snippets/search.html' %}
+            {% snippet 'home/snippets/search.html', search_facets=search_facets %}
           {% endblock %}
           {% block stats %}
             {% snippet 'home/snippets/stats.html' %}
diff --git a/ckanext/schemingdcat/templates/home/layout3.html b/ckanext/schemingdcat/templates/home/layout3.html
index 781f61e8..f21033f3 100644
--- a/ckanext/schemingdcat/templates/home/layout3.html
+++ b/ckanext/schemingdcat/templates/home/layout3.html
@@ -1,7 +1,7 @@
 <div role="main" class="hero">
     <div class="container">
       {% block search %}
-        {% snippet 'home/snippets/search.html' %}
+        {% snippet 'home/snippets/search.html', search_facets=search_facets %}
       {% endblock %}
     </div>
   </div>
diff --git a/ckanext/schemingdcat/templates/home/layout4.html b/ckanext/schemingdcat/templates/home/layout4.html
new file mode 100644
index 00000000..f35bba70
--- /dev/null
+++ b/ckanext/schemingdcat/templates/home/layout4.html
@@ -0,0 +1,41 @@
+<div role="main">
+  <div class="main hero">
+    <div class="container">
+      <div class="row row1">
+        <div class="col-md-12">
+          {% block search %}
+            {% snippet 'home/snippets/search.html', search_facets=search_facets %}
+          {% endblock %}
+        </div>
+      </div>
+    </div>
+  </div>
+  <div class="main">
+    <div class="container">
+      <div class="row row2">
+        <div class="col-md-12">
+          {% block about_portal %}
+            {% snippet 'home/snippets/about-portal.html' %}
+          {% endblock %}
+        </div>
+      </div>
+      <div class="row row2">
+        <div class="col-md-6 col1">
+          {# Note: this featured_group block is used as an example in the theming
+             tutorial in the docs! If you change this code, be sure to check
+             whether you need to update the docs. #}
+          {# Start template block example. #}
+          {% block featured_group %}
+            {% snippet 'home/snippets/featured_group.html' %}
+          {% endblock %}
+          {# End template block example. #}
+        </div>
+        <div class="col-md-6 col2">
+          {% block featured_organization %}
+            {% snippet 'home/snippets/featured_organization.html' %}
+          {% endblock %}
+        </div>
+      </div>
+    </div>
+  </div>
+</div>
\ No newline at end of file
diff --git a/ckanext/schemingdcat/templates/home/snippets/about_portal.html b/ckanext/schemingdcat/templates/home/snippets/about_portal.html
new file mode 100644
index 00000000..3fe44803
--- /dev/null
+++ b/ckanext/schemingdcat/templates/home/snippets/about_portal.html
@@ -0,0 +1,51 @@
+{#
+    Macro to render a card with an icon, count, label, URL, and aria-label.
+
+    icon_class - The Font Awesome icon class.
+    count - The count to display on the card.
+    label - The label to display on the card.
+    url - The URL the card should link to.
+    target_blank - Optional boolean to open the link in a new tab with security attributes.
+
+    Example:
+
+    {{ render_card("fas fa-database", 123, "Datasets", "https://example.com", "Example aria label", target_blank=True) }}
+#}
+
+{% set stats = h.schemingdcat_get_open_data_statistics() %}
+{% macro render_card(icon_class, count, label, url, target_blank=False) %}
+<div class="sct-about-figures-alt-card mt-2">
+    <div class="sct-about-figures-alt-card-icon avoindata-explore-showcase">
+        <i class="{{ icon_class }}"></i>
+    </div>
+    <div class="sct-about-figures-alt-card-content">
+        <div class="sct-about-figures-alt-card-title">
+            <h3>{{ h.SI_number_span(count) }}</h3>
+        </div>
+        <div class="sct-about-figures-alt-card-text">
+            <a href="{{ url }}" {% if target_blank %}target="_blank" rel="noopener noreferrer"{% endif %}>{{ label }}</a>
+        </div>
+    </div>
+</div>
+{% endmacro %}
+
+<section>
+    <div class="sct-about-figures sct-about-figures--col-3 ecl-u-mv-xl ecl-u-border-color-grey-10 ecl-u-border-width-1 ecl-u-border-all">
+        <div class="sct-about-h3-container">
+            <h3 class="sct-about-h3">{{ _('Explore and use Open Data') }}</h3>
+          </div>
+        <div class="sct-about-figures__items">
+            {{ render_card("fas fa-table-list", stats.dataset_count, _('Dataset') if stats.dataset_count == 1 else _('Datasets'), h.url_for(controller='dataset', action='search')) }}
+
+            {{ render_card("fas fa-globe", stats.spatial_dataset_count, _('Spatial dataset') if stats.spatial_dataset_count == 1 else _('Spatial datasets'), h.url_for('dataset.search', dataset_scope='spatial_dataset')) }}
+
+            {{ render_card("fas fa-tags", stats.tag_count, _('Tag') if stats.tag_count == 1 else _('Tags'), h.url_for('api.action', ver=3, logic_function='tag_list'), target_blank=True) }}
+
+            {{ render_card("fa-solid fa-sitemap", stats.organization_count, _('Organization') if stats.organization_count == 1 else _('Organizations'), h.url_for(controller='organization', action='index')) }}
+
+            {{ render_card("fa-solid fa-square-share-nodes", stats.endpoints_count, _('Catalog endpoints'), h.url_for('schemingdcat.endpoint_index')) }}
+
+            {{ render_card("fas fa-folder-open", stats.group_count, _('Group') if stats.group_count == 1 else _('Groups'), h.url_for(controller='group', action='index')) }}
+        </div>
+    </div>
+</section>
\ No newline at end of file
diff --git a/ckanext/schemingdcat/templates/home/snippets/about_themes.html b/ckanext/schemingdcat/templates/home/snippets/about_themes.html
new file mode 100644
index 00000000..009e3f25
--- /dev/null
+++ b/ckanext/schemingdcat/templates/home/snippets/about_themes.html
@@ -0,0 +1,42 @@
+{#
+    Macro to render a card with an SVG icon, label, and URL.
+
+    icon_path - The path to the SVG icon.
+    label - The label to display on the card.
+    count - The count to display on the card.
+    url - The base URL the card should link to.
+    param_name - The name of the URL parameter.
+    param_value - The value of the URL parameter.
+    target_blank - Optional boolean to open the link in a new tab with security attributes.
+
+    Example:
+
+    {{ render_svg_card("/images/icons/theme/example.svg", "Example Label", 123, "https://example.com", "theme", "example_value", target_blank=True) }}
+#}
+{% macro render_svg_card(icon_path, label, count, url, param_name, param_value, target_blank=False) %}
+<a href="{{ url }}?{{ param_name }}={{ param_value | urlencode }}" class="sct-about-themes-card mt-2" {% if target_blank %}target="_blank" rel="noopener noreferrer"{% endif %}>
+    <div class="sct-about-themes-card-icon-container">
+        <div class="sct-about-themes-card-icon">
+            <img src="{{ h.url_for_static(icon_path) }}" alt="{{ label }} icon" />
+        </div>
+        <div class="sct-about-themes-card-count">{{ h.SI_number_span(count) }}</div>
+    </div>
+    {% if label|length <= 2 %}
+        <div class="sct-about-themes-card-acronym">{{ label.upper() }}</div>
+    {% endif %}
+    <div class="sct-about-themes-card-label">{{ _(label) }}</div>
+</a>
+{% endmacro %}
+
+{% set themes_stats = h.schemingdcat_get_open_data_statistics().themes_stats %}
+
+<div class="sct-about-themes">
+    <div class="sct-about-h4-container">
+      <h3 class="sct-about-h4">{{ _('Theme categories') }}</h3>
+    </div>
+    <div class="sct-about-themes-card-container">
+        {% for theme in themes_stats %}
+            {{ render_svg_card(theme.icon, theme.label, theme.count, h.url_for('dataset.search'), theme.field_name, theme.value) }}
+        {% endfor %}
+    </div>
+</div>
\ No newline at end of file
diff --git a/ckanext/schemingdcat/templates/home/snippets/endpoints_layout1.html b/ckanext/schemingdcat/templates/home/snippets/endpoints_layout1.html
index 3206a84a..41683ae6 100644
--- a/ckanext/schemingdcat/templates/home/snippets/endpoints_layout1.html
+++ b/ckanext/schemingdcat/templates/home/snippets/endpoints_layout1.html
@@ -13,11 +13,11 @@ <h3><a href="{{ h.url_for('schemingdcat.endpoint_index') }}" title="{{ _('Catalo
                     {% set csw_uri = h.get_site_protocol_and_host()[0] +'://' + h.get_site_protocol_and_host()[1] + '/' + endpoint.endpoint %}
                 {% endif %}
 
-                    <a class="tag endpoints_layout1" href="{{ csw_uri }}"><i class="fa fa-globe"> </i> {{ endpoint.display_name  }}  <img src="{{ h.url_for_static(endpoint.image_display_url) }}" alt="{{ endpoint.display_name }}"></a>
+                    <a class="tag endpoints_index_cards" href="{{ csw_uri }}"><i class="fa fa-globe"> </i> {{ endpoint.display_name  }}  <img src="{{ h.url_for_static(endpoint.image_display_url) }}" alt="{{ endpoint.display_name }}"></a>
 
                 {% elif endpoint.type == 'lod' %}
                 {% set endpoint_url = h.url_for(endpoint.endpoint, **endpoint.endpoint_data) %}
-                    <a class="tag endpoints_layout1" href="{{ h.schemingdcat_url_unquote(endpoint_url) }}"><i class="fa fa-share-alt"> </i> {{ endpoint.display_name }}  <img src="{{ h.url_for_static(endpoint.image_display_url) }}" alt="{{ endpoint.display_name }}"></a>
+                    <a class="tag endpoints_index_cards" href="{{ h.schemingdcat_url_unquote(endpoint_url) }}"><i class="fa fa-share-alt"> </i> {{ endpoint.display_name }}  <img src="{{ h.url_for_static(endpoint.image_display_url) }}" alt="{{ endpoint.display_name }}"></a>
                 {% endif %}
             {% endfor %}
         </div>
diff --git a/ckanext/schemingdcat/templates/home/snippets/search.html b/ckanext/schemingdcat/templates/home/snippets/search.html
index 35c6c5d6..c4e26d1f 100644
--- a/ckanext/schemingdcat/templates/home/snippets/search.html
+++ b/ckanext/schemingdcat/templates/home/snippets/search.html
@@ -1,4 +1,4 @@
-{% set tags = h.get_facet_items_dict('tags', c.search_facets, limit=6
+{% set tags = h.get_facet_items_dict('tags', search_facets, limit=6
 
 ) %}
 {% set placeholder = _('E.g. environment') %}
@@ -8,7 +8,7 @@
 <div class="module module-search module-narrow module-shallow box">
   <form class="module-content search-form" method="get" action="{% url_for 'dataset.search' %}">
     {{ h.csrf_input() if 'csrf_input' in h }}
-    <h3 class="heading-layout2">{{ heading_title }}</h3>
+    <h3 class="sdct-about-heading">{{ heading_title|truncate(60) }}</h3>
     <div class="search-input form-group search-giant">
       <input aria-label="{% block header_site_search_label %}{{ _('Search datasets') }}{% endblock %}" id="field-main-search" type="text" class="form-control" name="q" value="" autocomplete="off" placeholder="{% block search_placeholder %}{{ placeholder }}{% endblock %}" />
       <button type="submit" aria-labelledby="search-label">
@@ -16,11 +16,11 @@ <h3 class="heading-layout2">{{ heading_title }}</h3>
         <span class="sr-only" id="search-label">{{ _('Search') }}</span>
       </button>
     </div>
-  </form>
-  <div class="tags">
-    <h3>{{ _('Popular tags') }}</h3>
-    {% for tag in tags %}
-      <a class="tag" href="{% url_for 'dataset.search', tags=tag.name %}">{{ _(tag.display_name)|truncate(22) }}</a>
-    {% endfor %}
+    <div class="tags index_tags">
+      <h3>{{ _('Popular tags') }}</h3>
+      {% for tag in tags %}
+        <a class="tag" href="{% url_for 'dataset.search', tags=tag.name %}">{{ _(tag.display_name)|truncate(22) }}</a>
+      {% endfor %}
+    </div>
   </div>
-</div>
\ No newline at end of file
+  </form>
\ No newline at end of file
diff --git a/ckanext/schemingdcat/templates/schemingdcat/snippets/header_language_selector.html b/ckanext/schemingdcat/templates/schemingdcat/snippets/header_language_selector.html
new file mode 100644
index 00000000..c194170c
--- /dev/null
+++ b/ckanext/schemingdcat/templates/schemingdcat/snippets/header_language_selector.html
@@ -0,0 +1,15 @@
+{% set current_lang = request.environ.CKAN_LANG %}
+{% set current_locale = h.lang_native_name() %}
+<a class="nav-link dropdown-toggle" href="#" id="languageDropdown" role="button" data-bs-toggle="dropdown" aria-expanded="false">
+  <i class="fas fa-globe"></i> {{ current_locale }}
+</a>
+<ul class="dropdown-menu" aria-labelledby="languageDropdown">
+  {% for locale in h.get_available_locales() %}
+    <li>
+      <a class="dropdown-item" href="{% url_for h.current_url(), locale=locale.short_name %}" {% if locale.short_name == current_lang %}aria-current="true"{% endif %}>
+        {% set lang_label = locale.display_name or locale.english_name %}
+        {{ lang_label |capitalize }}
+      </a>
+    </li>
+  {% endfor %}
+</ul>
\ No newline at end of file