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# frozen_string_literal: true
class AccountStatusesFilter
KEYS = %i(
pinned
tagged
only_media
exclude_replies
exclude_reblogs
).freeze
attr_reader :params, :account, :current_account
def initialize(account, current_account, params = {})
@account = account
@current_account = current_account
@params = params
end
def results
scope = initial_scope
scope.merge!(pinned_scope) if pinned?
scope.merge!(only_media_scope) if only_media?
scope.merge!(no_replies_scope) if exclude_replies?
scope.merge!(no_reblogs_scope) if exclude_reblogs?
scope.merge!(hashtag_scope) if tagged?
scope
end
private
def initial_scope
if suspended?
Status.none
elsif anonymous?
account.statuses.not_local_only.where(visibility: %i(public unlisted))
elsif author?
account.statuses.all # NOTE: #merge! does not work without the #all
elsif blocked?
Status.none
else
filtered_scope
end
end
def filtered_scope
scope = account.statuses.left_outer_joins(:mentions)
scope.merge!(scope.where(visibility: follower? ? %i(public unlisted private) : %i(public unlisted)).or(scope.where(mentions: { account_id: current_account.id })).group(Status.arel_table[:id]))
scope.merge!(filtered_reblogs_scope) if reblogs_may_occur?
scope
end
def filtered_reblogs_scope
Status.left_outer_joins(:reblog).where(reblog_of_id: nil).or(Status.where.not(reblogs_statuses: { account_id: current_account.excluded_from_timeline_account_ids }))
end
def only_media_scope
Status.joins(:media_attachments).merge(account.media_attachments.reorder(nil)).group(Status.arel_table[:id])
end
def no_replies_scope
Status.without_replies
end
def no_reblogs_scope
Status.without_reblogs
end
def pinned_scope
account.pinned_statuses.group(Status.arel_table[:id], StatusPin.arel_table[:created_at])
end
def hashtag_scope
tag = Tag.find_normalized(params[:tagged])
if tag
Status.tagged_with(tag.id)
else
Status.none
end
end
def suspended?
account.suspended?
end
def anonymous?
current_account.nil?
end
def author?
current_account.id == account.id
end
def blocked?
account.blocking?(current_account) || (current_account.domain.present? && account.domain_blocking?(current_account.domain))
end
def follower?
current_account.following?(account)
end
def reblogs_may_occur?
!exclude_reblogs? && !only_media? && !tagged?
end
def pinned?
truthy_param?(:pinned)
end
def only_media?
truthy_param?(:only_media)
end
def exclude_replies?
truthy_param?(:exclude_replies)
end
def exclude_reblogs?
truthy_param?(:exclude_reblogs)
end
def tagged?
params[:tagged].present?
end
def truthy_param?(key)
ActiveModel::Type::Boolean.new.cast(params[key])
end
end
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