--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libervia/web/pages/lists/edit/page_meta.py	Fri Jun 02 16:49:28 2023 +0200
@@ -0,0 +1,113 @@
+#!/usr/bin/env python3
+
+
+from libervia.web.server.constants import Const as C
+from libervia.backend.core.i18n import _
+from twisted.internet import defer
+from libervia.backend.tools.common import template_xmlui
+from libervia.backend.tools.common import data_format
+from libervia.backend.core.log import getLogger
+
+log = getLogger(__name__)
+
+name = "list_edit"
+access = C.PAGES_ACCESS_PROFILE
+template = "list/edit.html"
+
+
+def parse_url(self, request):
+    self.get_path_args(request, ["service", "node", "item_id"], service="jid", node="@")
+    data = self.get_r_data(request)
+    if data["item_id"] is None:
+        log.warning(_("no list item id specified"))
+        self.page_error(request, C.HTTP_BAD_REQUEST)
+
+@defer.inlineCallbacks
+def prepare_render(self, request):
+    data = self.get_r_data(request)
+    template_data = request.template_data
+    service, node, item_id = (
+        data.get("service", ""),
+        data.get("node", ""),
+        data["item_id"],
+    )
+    profile = self.get_profile(request)
+
+    # we don't ignore "author" below to keep it when a list item is edited
+    # by node owner/admin and "consistent publisher" is activated
+    ignore = (
+        "publisher",
+        "author",
+        "author_jid",
+        "author_email",
+        "created",
+        "updated",
+        "comments_uri",
+    )
+    list_raw = yield self.host.bridge_call(
+        "list_get",
+        service.full() if service else "",
+        node,
+        C.NO_LIMIT,
+        [item_id],
+        "",
+        data_format.serialise({}),
+        profile,
+    )
+    list_items, metadata = data_format.deserialise(list_raw, type_check=list)
+    list_item = [template_xmlui.create(self.host, x, ignore=ignore) for x in list_items][0]
+
+    try:
+        # small trick to get a one line text input instead of the big textarea
+        list_item.widgets["labels"].type = "string"
+        list_item.widgets["labels"].value = list_item.widgets["labels"].value.replace(
+            "\n", ", "
+        )
+    except KeyError:
+        pass
+
+    # for now we don't have XHTML editor, so we'll go with a TextBox and a convertion
+    # to a text friendly syntax using markdown
+    wid = list_item.widgets['body']
+    if wid.type == "xhtmlbox":
+        wid.type = "textbox"
+        wid.value =  yield self.host.bridge_call(
+            "syntax_convert", wid.value, C.SYNTAX_XHTML, "markdown",
+            False, profile)
+
+    template_data["new_list_item_xmlui"] = list_item
+
+
+async def on_data_post(self, request):
+    data = self.get_r_data(request)
+    service = data["service"]
+    node = data["node"]
+    item_id = data["item_id"]
+    posted_data = self.get_all_posted_data(request)
+    if not posted_data["title"] or not posted_data["body"]:
+        self.page_error(request, C.HTTP_BAD_REQUEST)
+    try:
+        posted_data["labels"] = [l.strip() for l in posted_data["labels"][0].split(",")]
+    except (KeyError, IndexError):
+        pass
+    profile = self.get_profile(request)
+
+    # we convert back body to XHTML
+    body = await self.host.bridge_call(
+        "syntax_convert", posted_data['body'][0], "markdown", C.SYNTAX_XHTML,
+        False, profile)
+    posted_data['body'] = ['<div xmlns="{ns}">{body}</div>'.format(ns=C.NS_XHTML,
+                                                                     body=body)]
+
+    extra = {'update': True}
+    await self.host.bridge_call(
+        "list_set", service.full(), node, posted_data, "", item_id,
+        data_format.serialise(extra), profile
+    )
+    data["post_redirect_page"] = (
+        self.get_page_by_name("list_view"),
+        service.full(),
+        node or "@",
+        item_id
+    )
+    return C.POST_NO_CONFIRM