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# frozen_string_literal: true
class RelationshipFilter
KEYS = %i(
relationship
status
by_domain
activity
order
location
).freeze
attr_reader :params, :account
def initialize(account, params)
@account = account
@params = params
set_defaults!
end
def results
scope = scope_for('relationship', params['relationship'].to_s.strip)
params.each do |key, value|
next if %w(relationship page).include?(key)
scope.merge!(scope_for(key.to_s, value.to_s.strip)) if value.present?
end
scope
end
private
def set_defaults!
params['relationship'] = 'following' if params['relationship'].blank?
params['order'] = 'recent' if params['order'].blank?
end
def scope_for(key, value)
case key
when 'relationship'
relationship_scope(value)
when 'by_domain'
by_domain_scope(value)
when 'location'
location_scope(value)
when 'status'
status_scope(value)
when 'order'
order_scope(value)
when 'activity'
activity_scope(value)
else
raise "Unknown filter: #{key}"
end
end
def relationship_scope(value)
case value
when 'following'
account.following.eager_load(:account_stat).reorder(nil)
when 'followed_by'
account.followers.eager_load(:account_stat).reorder(nil)
when 'mutual'
account.followers.eager_load(:account_stat).reorder(nil).merge(Account.where(id: account.following))
when 'invited'
Account.joins(user: :invite).merge(Invite.where(user: account.user)).eager_load(:account_stat).reorder(nil)
else
raise "Unknown relationship: #{value}"
end
end
def by_domain_scope(value)
Account.where(domain: value)
end
def location_scope(value)
case value
when 'local'
Account.local
when 'remote'
Account.remote
else
raise "Unknown location: #{value}"
end
end
def status_scope(value)
case value
when 'moved'
Account.where.not(moved_to_account_id: nil)
when 'primary'
Account.where(moved_to_account_id: nil)
else
raise "Unknown status: #{value}"
end
end
def order_scope(value)
case value
when 'active'
Account.by_recent_status
when 'recent'
params[:relationship] == 'invited' ? Account.recent : Follow.recent
else
raise "Unknown order: #{value}"
end
end
def activity_scope(value)
case value
when 'dormant'
AccountStat.where(last_status_at: nil).or(AccountStat.where(AccountStat.arel_table[:last_status_at].lt(1.month.ago)))
else
raise "Unknown activity: #{value}"
end
end
end
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