134 lines
3.3 KiB
Plaintext
134 lines
3.3 KiB
Plaintext
note
|
|
description: "API to handle nodes of type blog. Extends the node API."
|
|
author: "Dario Bösch <daboesch@student.ethz.ch"
|
|
date: "$Date: 2015-05-21 14:46:00 +0100$"
|
|
revision: "$Revision: 96616 $"
|
|
|
|
class
|
|
CMS_BLOG_API
|
|
|
|
inherit
|
|
CMS_MODULE_API
|
|
rename
|
|
make as make_with_cms_api
|
|
redefine
|
|
initialize
|
|
end
|
|
|
|
REFACTORING_HELPER
|
|
|
|
create
|
|
make
|
|
|
|
feature {NONE} -- Initialization
|
|
|
|
make (a_api: CMS_API; a_node_api: CMS_NODE_API)
|
|
-- (from CMS_MODULE_API)
|
|
-- (export status {NONE})
|
|
do
|
|
node_api := a_node_api
|
|
make_with_cms_api (a_api)
|
|
end
|
|
|
|
initialize
|
|
-- <Precursor>
|
|
do
|
|
Precursor
|
|
|
|
-- Create the node storage for type blog
|
|
if attached storage.as_sql_storage as l_storage_sql then
|
|
create {CMS_BLOG_STORAGE_SQL} blog_storage.make (l_storage_sql)
|
|
else
|
|
create {CMS_BLOG_STORAGE_NULL} blog_storage.make
|
|
end
|
|
-- initialize_node_types
|
|
end
|
|
|
|
feature {CMS_API_ACCESS, CMS_MODULE, CMS_API} -- Restricted access
|
|
|
|
node_api: CMS_NODE_API
|
|
|
|
feature {CMS_MODULE} -- Access nodes storage.
|
|
|
|
blog_storage: CMS_BLOG_STORAGE_I
|
|
|
|
feature -- Configuration of blog handlers
|
|
|
|
entries_per_page : NATURAL_32 = 2
|
|
-- The numbers of posts that are shown on one page. If there are more post a pagination is generated
|
|
--| For test reasons this is 2, so we don't have to create a lot of blog entries.
|
|
--| TODO: Set to bigger constant.
|
|
|
|
feature -- Access node
|
|
|
|
blogs_count: INTEGER_64
|
|
-- Number of nodes of type blog.
|
|
do
|
|
Result := blog_storage.blogs_count
|
|
end
|
|
|
|
blogs_count_from_user (a_user: CMS_USER): INTEGER_64
|
|
-- Number of nodes of type blog from user with `a_user_id'.
|
|
require
|
|
has_id: a_user.has_id
|
|
do
|
|
Result := blog_storage.blogs_count_from_user (a_user)
|
|
end
|
|
|
|
blogs_order_created_desc: LIST [CMS_BLOG]
|
|
-- List of nodes ordered by creation date (descending)
|
|
do
|
|
Result := nodes_to_blogs (blog_storage.blogs)
|
|
end
|
|
|
|
blogs_order_created_desc_limited (a_limit: NATURAL_32; a_offset: NATURAL_32): LIST [CMS_BLOG]
|
|
-- List of nodes ordered by creation date and limited by limit and offset
|
|
do
|
|
-- load all posts and add the authors to each post
|
|
Result := nodes_to_blogs (blog_storage.blogs_limited (a_limit, a_offset))
|
|
end
|
|
|
|
blogs_from_user_order_created_desc_limited (a_user: CMS_USER; a_limit: NATURAL_32; a_offset: NATURAL_32) : LIST [CMS_BLOG]
|
|
-- List of nodes ordered by creation date and limited by limit and offset
|
|
require
|
|
has_id: a_user.has_id
|
|
do
|
|
-- load all posts and add the authors to each post
|
|
Result := nodes_to_blogs (blog_storage.blogs_from_user_limited (a_user, a_limit, a_offset))
|
|
end
|
|
|
|
feature -- Conversion
|
|
|
|
full_blog_node (a_blog: CMS_BLOG): CMS_BLOG
|
|
-- If `a_blog' is partial, return the full blog node from `a_blog',
|
|
-- otherwise return directly `a_blog'.
|
|
require
|
|
a_blog_set: a_blog /= Void
|
|
do
|
|
if attached {CMS_BLOG} node_api.full_node (a_blog) as l_full_blog then
|
|
Result := l_full_blog
|
|
else
|
|
Result := a_blog
|
|
end
|
|
end
|
|
|
|
feature {NONE} -- Helpers
|
|
|
|
nodes_to_blogs (a_nodes: LIST [CMS_NODE]): ARRAYED_LIST [CMS_BLOG]
|
|
-- Convert list of nodes into a list of blog when possible.
|
|
do
|
|
create {ARRAYED_LIST [CMS_BLOG]} Result.make (a_nodes.count)
|
|
|
|
if attached node_api as l_node_api then
|
|
across
|
|
a_nodes as ic
|
|
loop
|
|
if attached {CMS_BLOG} l_node_api.full_node (ic.item) as l_blog then
|
|
Result.force (l_blog)
|
|
end
|
|
end
|
|
end
|
|
end
|
|
|
|
end
|