github-mirror/discourse
2
0
Fork 0
mirror of https://github.com/discourse/discourse.git synced 2025-05-22 16:11:08 +08:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

FEATURE: allow plugins to register custom topic list filters

Browse Source
This commit is contained in:
Sam
2017-02-15 15:25:43 -05:00
parent 9c51e3e8e7
commit 74d4209d24
3 changed files with 79 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
lib/topic_query.rb
View File

@ -9,30 +9,35 @@ require_dependency 'topic_query_sql'
require_dependency 'avatar_lookup'
class TopicQuery
VALID_OPTIONS = %i(except_topic_ids
exclude_category_ids
limit
page
per_page
min_posts
max_posts
topic_ids
visible
category
tags
match_all_tags
no_tags
order
ascending
no_subcategories
no_definitions
status
state
search
slow_platform
filter
group_name
q)
def self.valid_options
@valid_options ||=
%i(except_topic_ids
exclude_category_ids
limit
page
per_page
min_posts
max_posts
topic_ids
visible
category
tags
match_all_tags
no_tags
order
ascending
no_subcategories
no_definitions
status
state
search
slow_platform
filter
group_name
q)
end
# Maps `order` to a columns in `topics`
SORTABLE_MAPPING = {
@ -49,8 +54,31 @@ class TopicQuery
cattr_accessor :results_filter_callbacks
self.results_filter_callbacks = []
attr_accessor :options, :user, :guardian
def self.add_custom_filter(key, &blk)
@custom_filters ||= {}
valid_options << key
@custom_filters[key] = blk
end
def self.remove_custom_filter(key)
@custom_filters.delete(key)
valid_options.delete(key)
@custom_filters = nil if @custom_filters.length == 0
end
def self.apply_custom_filters(results, topic_query)
if @custom_filters
@custom_filters.each do |key,filter|
results = filter.call(results, topic_query)
end
end
results
end
def initialize(user=nil, options={})
options.assert_valid_keys(VALID_OPTIONS)
options.assert_valid_keys(TopicQuery.valid_options)
@options = options.dup
@user = user
@guardian = Guardian.new(@user)
@ -589,6 +617,8 @@ class TopicQuery
result = result.where('topics.posts_count <= ?', options[:max_posts]) if options[:max_posts].present?
result = result.where('topics.posts_count >= ?', options[:min_posts]) if options[:min_posts].present?
result = TopicQuery.apply_custom_filters(result,self)
@guardian.filter_allowed_categories(result)
end