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ROC/modules/recent_changes/cms_recent_changes_module.e

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note
description: "CMS module that bring support for recent changes."
date: "$Date: 2015-02-13 13:08:13 +0100 (ven., 13 févr. 2015) $"
revision: "$Revision: 96616 $"
class
CMS_RECENT_CHANGES_MODULE
inherit
CMS_MODULE
rename
module_api as recent_changes_api
redefine
register_hooks,
permissions
end
CMS_HOOK_MENU_SYSTEM_ALTER
CMS_HOOK_RESPONSE_ALTER
create
make
feature {NONE} -- Initialization
make
-- Create Current module, disabled by default.
do
version := "1.0"
description := "Service to access recent changes"
package := "notification"
end
feature -- Access
name: STRING = "recent_changes"
permissions: LIST [READABLE_STRING_8]
-- List of permission ids, used by this module, and declared.
do
Result := Precursor
Result.force ("view recent changes")
end
feature -- Access: router
setup_router (a_router: WSF_ROUTER; a_api: CMS_API)
-- <Precursor>
do
a_router.handle ("/recent_changes/", create {WSF_URI_AGENT_HANDLER}.make (agent handle_recent_changes (a_api, ?, ?)), a_router.methods_head_get)
end
feature -- Handler
handle_recent_changes (api: CMS_API; req: WSF_REQUEST; res: WSF_RESPONSE)
local
r: CMS_RESPONSE
l_changes: CMS_RECENT_CHANGE_CONTAINER
l_sources: ARRAYED_LIST [READABLE_STRING_8]
dt, prev_dt: detachable DATE
ch: detachable CMS_RECENT_CHANGE_ITEM
htdate: HTTP_DATE
l_content: STRING
l_form: CMS_FORM
l_select: WSF_FORM_SELECT
l_until_date: detachable DATE_TIME
l_filter_source: detachable READABLE_STRING_8
l_size: NATURAL_32
l_query: STRING
opt: WSF_FORM_SELECT_OPTION
do
if attached {WSF_STRING} req.query_parameter ("date") as p_until_date then
create htdate.make_from_timestamp (p_until_date.value.to_integer_64)
l_until_date := htdate.date_time
-- l_until_date.second_add (-1)
end
if attached {WSF_STRING} req.query_parameter ("filter") as p_filter then
l_filter_source := p_filter.url_encoded_value
end
if attached {WSF_STRING} req.query_parameter ("size") as p_size then
l_size := p_size.integer_value.to_natural_32
end
if l_size = 0 then
l_size := 25
end
create {GENERIC_VIEW_CMS_RESPONSE} r.make (req, res, api)
create l_changes.make (l_size, l_until_date, l_filter_source)
create l_content.make (1024)
if attached r.hooks.subscribers ({CMS_RECENT_CHANGES_HOOK}) as lst then
create l_sources.make (lst.count)
across
lst as ic
loop
if attached {CMS_RECENT_CHANGES_HOOK} ic.item as h then
h.populate_recent_changes (l_changes, l_sources)
end
end
create l_form.make (req.percent_encoded_path_info, "recent-changes")
create l_select.make ("source")
l_select.set_label ("Sources")
create opt.make ("", "...")
l_select.add_option (opt)
across
l_sources as ic
loop
create opt.make (ic.item, ic.item)
if l_filter_source /= Void and then ic.item.is_case_insensitive_equal (l_filter_source) then
opt.set_is_selected (True)
end
l_select.add_option (opt)
end
l_form.extend (l_select)
l_form.extend_html_text ("<br/>")
l_form.append_to_html (create {CMS_TO_WSF_THEME}.make (r, r.theme), l_content)
end
l_changes.reverse_sort
l_content.append ("<table class=%"recent-changes%" style=%"border-spacing: 5px;%">")
l_content.append ("<thead>")
l_content.append ("<tr>")
l_content.append ("<th>Date</th>")
l_content.append ("<th>Source</th>")
l_content.append ("<th>Resource</th>")
l_content.append ("<th>User</th>")
l_content.append ("<th>Information</th>")
l_content.append ("</tr>")
l_content.append ("</thead>")
l_content.append ("<tbody>")
across
l_changes as ic
loop
ch := ic.item
dt := ch.date.date
if dt /~ prev_dt then
l_content.append ("<tr>")
l_content.append ("<td class=%"title%" colspan=%"5%">")
l_content.append (dt.formatted_out ("ddd, dd mmm yyyy"))
l_content.append ("</td>")
l_content.append ("</tr>")
end
prev_dt := dt
l_content.append ("<tr>")
l_content.append ("<td class=%"date%">")
create htdate.make_from_date_time (ch.date)
htdate.append_to_rfc1123_string (l_content)
l_content.append ("</td>")
l_content.append ("<td class=%"source%">" + ch.source + "</td>")
l_content.append ("<td class=%"resource%">")
l_content.append (r.link (ch.link.title, ch.link.location, Void))
l_content.append ("</td>")
l_content.append ("<td class=%"user%">")
if attached ch.author as u then
l_content.append (r.link (u.name, "user/" + u.id.out, Void))
end
l_content.append ("</td>")
l_content.append ("<td class=%"info%">")
if attached ch.information as l_info then
l_content.append ("<strong>" + l_info + "</strong> ")
end
l_content.append ("</td>")
l_content.append ("</tr>%N")
end
l_content.append ("</tbody>")
l_content.append ("</table>%N")
if ch /= Void then
if l_until_date /= Void then
l_content.append (" <a href=%"")
l_content.append (r.url (r.location, Void))
l_content.append ("?size=" + l_size.out + "%">&lt;&lt;</a> ")
end
if l_until_date /~ ch.date then
create htdate.make_from_date_time (ch.date)
create l_query.make_from_string ("size=" + l_size.out)
l_query.append ("&date=")
l_query.append (htdate.timestamp.out)
if l_filter_source /= Void then
l_query.append ("&filter=")
l_query.append (l_filter_source)
end
l_content.append ("<a href=%"")
l_content.append (r.url (r.location, create {CMS_API_OPTIONS}.make_from_manifest (<<["query", l_query]>>)))
l_content.append ("%">More ...</a>")
end
end
r.set_main_content (l_content)
if l_until_date = Void then
r.set_title ("Recent changes")
else
create htdate.make_from_date_time (l_until_date)
r.set_title ("Recent changes before " + htdate.string)
end
r.execute
end
feature -- Hooks configuration
register_hooks (a_response: CMS_RESPONSE)
-- Module hooks configuration.
do
a_response.hooks.subscribe_to_menu_system_alter_hook (Current)
a_response.hooks.subscribe_to_response_alter_hook (Current)
end
feature -- Hook
response_alter (a_response: CMS_RESPONSE)
do
a_response.add_additional_head_line ("[
<style>
table.recent-changes th { padding: 3px; }
table.recent-changes td { padding: 3px; border: dotted 1px #ddd; }
table.recent-changes td.date { padding-left: 15px; }
table.recent-changes td.title { font-weight: bold; }
</style>
]", True)
end
menu_system_alter (a_menu_system: CMS_MENU_SYSTEM; a_response: CMS_RESPONSE)
-- Hook execution on collection of menu contained by `a_menu_system'
-- for related response `a_response'.
local
lnk: CMS_LOCAL_LINK
do
create lnk.make ("Recent changes", "recent_changes/")
lnk.set_permission_arguments (<<"view recent changes">>)
a_menu_system.navigation_menu.extend (lnk)
end
end