8c836430ca
* API Articles v0-v1 restructure * Remove unused helper * Bulk move API controllers into concerns + add V1 controllers * Extract API routes + some fixes * Fix v1 api_controller authenticate! + add more article_controller specs * Completed spec/requests/api/v1/articles_spec.rb * specs up to listings * All v1 specs except for 9 skips * mime_types cleanup + authenticate! relocation Co-authored-by: Fernando Valverde <fernando@visualcosita.com>
49 lines
1.8 KiB
Ruby
49 lines
1.8 KiB
Ruby
module Api
|
|
module CommentsController
|
|
extend ActiveSupport::Concern
|
|
|
|
ATTRIBUTES_FOR_SERIALIZATION = %i[
|
|
id processed_html user_id ancestry deleted hidden_by_commentable_user created_at
|
|
].freeze
|
|
private_constant :ATTRIBUTES_FOR_SERIALIZATION
|
|
|
|
def index
|
|
commentable = params[:a_id] ? Article.find(params[:a_id]) : PodcastEpisode.find(params[:p_id])
|
|
|
|
@comments = commentable.comments
|
|
.includes(user: :profile)
|
|
.select(ATTRIBUTES_FOR_SERIALIZATION)
|
|
.arrange
|
|
|
|
set_surrogate_key_header commentable.record_key, Comment.table_key, edge_cache_keys(@comments)
|
|
end
|
|
|
|
def show
|
|
tree_with_root_comment = Comment.subtree_of(params[:id].to_i(26))
|
|
.includes(user: :profile)
|
|
.select(ATTRIBUTES_FOR_SERIALIZATION)
|
|
.arrange
|
|
|
|
# being only one tree we know that the root comment is the first (and only) key
|
|
@comment = tree_with_root_comment.keys.first
|
|
@comments = tree_with_root_comment[@comment]
|
|
|
|
set_surrogate_key_header Comment.table_key, edge_cache_keys(tree_with_root_comment)
|
|
end
|
|
|
|
private
|
|
|
|
# ancestry wraps a single or multiple trees of comments into a single hash,
|
|
# in the case of an article comments, the hash has multiple keys (the root comments),
|
|
# in the case of a comment and its descendants, the hash has only one key.
|
|
# Either way, we need to use recursion to extract all the comment cache keys
|
|
# collecting both the keys of each level of root comments and their descendants
|
|
# NOTE: the objects are already loaded in memory by "ancestry",
|
|
# so no additional SQL query is performed during this extraction, avoiding N+1s
|
|
def edge_cache_keys(comments_trees)
|
|
comments_trees.keys.flat_map do |comment|
|
|
Array.wrap(comment.record_key) + edge_cache_keys(comments_trees[comment])
|
|
end
|
|
end
|
|
end
|
|
end
|