discourse/app/serializers/post_serializer.rb
Régis Hanol a737090442 - FEATURE: revamped poll plugin
- add User.staff scope
- inject MessageBus into Ember views (so it can be used by the poll plugin)
- REFACTOR: use more accurate is_first_post? method instead of post_number == 1
- FEATURE: add support for JSON-typed custom fields
- FEATURE: allow plugins to add validation
- FEATURE: add post_custom_fields to PostSerializer
- FEATURE: allow plugins to whitelist post_custom_fields
- FIX: don't bump when post did not save successfully
- FEATURE: polls are supported in any post
- FEATURE: allow for multiple polls in the same post
- FEATURE: multiple choice polls
- FEATURE: rating polls
- FEATURE: new dialect allowing users to preview polls in the composer
2015-04-23 19:33:29 +02:00

299 lines
7.2 KiB
Ruby

class PostSerializer < BasicPostSerializer
# To pass in additional information we might need
INSTANCE_VARS = [
:topic_view,
:parent_post,
:add_raw,
:single_post_link_counts,
:draft_sequence,
:post_actions,
:all_post_actions
]
INSTANCE_VARS.each do |v|
self.send(:attr_accessor, v)
end
attributes :post_number,
:post_type,
:updated_at,
:like_count,
:reply_count,
:reply_to_post_number,
:quote_count,
:avg_time,
:incoming_link_count,
:reads,
:score,
:yours,
:topic_id,
:topic_slug,
:display_username,
:primary_group_name,
:version,
:can_edit,
:can_delete,
:can_recover,
:link_counts,
:read,
:user_title,
:reply_to_user,
:bookmarked,
:raw,
:actions_summary,
:moderator?,
:admin?,
:staff?,
:user_id,
:draft_sequence,
:hidden,
:hidden_reason_id,
:trust_level,
:deleted_at,
:deleted_by,
:user_deleted,
:edit_reason,
:can_view_edit_history,
:wiki,
:user_custom_fields,
:static_doc,
:via_email
def initialize(object, opts)
super(object, opts)
PostSerializer::INSTANCE_VARS.each do |name|
if opts.include? name
self.send("#{name}=", opts[name])
end
end
end
def topic_slug
object.try(:topic).try(:slug)
end
def moderator?
!!(object.try(:user).try(:moderator?))
end
def admin?
!!(object.try(:user).try(:admin?))
end
def staff?
!!(object.try(:user).try(:staff?))
end
def yours
scope.user == object.user
end
def can_edit
scope.can_edit?(object)
end
def can_delete
scope.can_delete?(object)
end
def can_recover
scope.can_recover_post?(object)
end
def display_username
object.user.try(:name)
end
def primary_group_name
return nil unless object.user && object.user.primary_group_id
if @topic_view
@topic_view.primary_group_names[object.user.primary_group_id]
else
object.user.primary_group.name if object.user.primary_group
end
end
def link_counts
return @single_post_link_counts if @single_post_link_counts.present?
# TODO: This could be better, just porting the old one over
@topic_view.link_counts[object.id].map do |link|
result = {}
result[:url] = link[:url]
result[:internal] = link[:internal]
result[:reflection] = link[:reflection]
result[:title] = link[:title] if link[:title].present?
result[:clicks] = link[:clicks] || 0
result
end
end
def read
@topic_view.read?(object.post_number)
end
def score
object.score || 0
end
def user_title
object.try(:user).try(:title)
end
def trust_level
object.try(:user).try(:trust_level)
end
def reply_to_user
{
username: object.reply_to_user.username,
avatar_template: object.reply_to_user.avatar_template,
uploaded_avatar_id: object.reply_to_user.uploaded_avatar_id
}
end
def bookmarked
true
end
def deleted_by
BasicUserSerializer.new(object.deleted_by, root: false).as_json
end
def include_deleted_by?
scope.is_staff? && object.deleted_by.present?
end
# Helper function to decide between #post_actions and @all_post_actions
def actions
return post_actions if post_actions.present?
return all_post_actions[object.id] if all_post_actions.present?
nil
end
# Summary of the actions taken on this post
def actions_summary
result = []
PostActionType.types.each do |sym, id|
next if [:bookmark].include?(sym)
count_col = "#{sym}_count".to_sym
count = object.send(count_col) if object.respond_to?(count_col)
count ||= 0
action_summary = {
id: id,
count: count,
hidden: (sym == :vote),
can_act: scope.post_can_act?(object, sym, taken_actions: actions)
}
if sym == :notify_user && scope.current_user.present? && scope.current_user == object.user
action_summary[:can_act] = false # Don't send a pm to yourself about your own post, silly
end
# The following only applies if you're logged in
if action_summary[:can_act] && scope.current_user.present?
action_summary[:can_defer_flags] = scope.is_staff? &&
PostActionType.flag_types.values.include?(id) &&
active_flags.present? && active_flags.has_key?(id) &&
active_flags[id].count > 0
end
if actions.present? && actions.has_key?(id)
action_summary[:acted] = true
action_summary[:can_undo] = scope.can_delete?(actions[id])
end
# only show public data
unless scope.is_staff? || PostActionType.public_types.values.include?(id)
action_summary[:count] = action_summary[:acted] ? 1 : 0
end
result << action_summary
end
result
end
def include_draft_sequence?
@draft_sequence.present?
end
def include_slug_title?
@topic_slug.present?
end
def include_raw?
@add_raw.present? && (!object.hidden || scope.user.try(:staff?) || yours)
end
def include_link_counts?
return true if @single_post_link_counts.present?
@topic_view.present? && @topic_view.link_counts.present? && @topic_view.link_counts[object.id].present?
end
def include_read?
@topic_view.present?
end
def include_reply_to_user?
!(SiteSetting.suppress_reply_when_quoting && object.reply_quoted?) && object.reply_to_user
end
def include_bookmarked?
actions.present? && actions.keys.include?(PostActionType.types[:bookmark])
end
def include_display_username?
SiteSetting.enable_names?
end
def can_view_edit_history
scope.can_view_edit_history?(object)
end
def user_custom_fields
@topic_view.user_custom_fields[object.user_id]
end
def include_user_custom_fields?
return if @topic_view.blank?
custom_fields = @topic_view.user_custom_fields
custom_fields && custom_fields[object.user_id]
end
def static_doc
true
end
def include_static_doc?
object.is_first_post? && Discourse.static_doc_topic_ids.include?(object.topic_id)
end
def include_via_email?
object.via_email?
end
def version
scope.is_staff? ? object.version : object.public_version
end
private
def post_actions
@post_actions ||= (@topic_view.present? && @topic_view.all_post_actions.present?) ? @topic_view.all_post_actions[object.id] : nil
end
def active_flags
@active_flags ||= (@topic_view.present? && @topic_view.all_active_flags.present?) ? @topic_view.all_active_flags[object.id] : nil
end
def post_custom_fields
@post_custom_fields ||= (@topic_view.present? && @topic_view.post_custom_fields.present?) ? @topic_view.post_custom_fields[object.id] : nil
@post_custom_fields ||= object.custom_fields
end
end