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Cache relationships in API (#6482)

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* Cache relationships in API

* Fetch relationships for search results in UI

* Only save one account's maps in each cache item
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Eugen Rochko 2018-02-18 03:14:46 +01:00 • committed by GitHub
parent 9b8a448477
commit cba2897108
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8 changed files with 92 additions and 12 deletions
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68
app/presenters/account_relationships_presenter.rb
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@ -5,11 +5,67 @@ class AccountRelationshipsPresenter
:muting, :requested, :domain_blocking
def initialize(account_ids, current_account_id, **options)
@following = Account.following_map(account_ids, current_account_id).merge(options[:following_map] || {})
@followed_by = Account.followed_by_map(account_ids, current_account_id).merge(options[:followed_by_map] || {})
@blocking = Account.blocking_map(account_ids, current_account_id).merge(options[:blocking_map] || {})
@muting = Account.muting_map(account_ids, current_account_id).merge(options[:muting_map] || {})
@requested = Account.requested_map(account_ids, current_account_id).merge(options[:requested_map] || {})
@domain_blocking = Account.domain_blocking_map(account_ids, current_account_id).merge(options[:domain_blocking_map] || {})
@account_ids = account_ids.map { |a| a.is_a?(Account) ? a.id : a }
@current_account_id = current_account_id
@following = cached[:following].merge(Account.following_map(@uncached_account_ids, @current_account_id))
@followed_by = cached[:followed_by].merge(Account.followed_by_map(@uncached_account_ids, @current_account_id))
@blocking = cached[:blocking].merge(Account.blocking_map(@uncached_account_ids, @current_account_id))
@muting = cached[:muting].merge(Account.muting_map(@uncached_account_ids, @current_account_id))
@requested = cached[:requested].merge(Account.requested_map(@uncached_account_ids, @current_account_id))
@domain_blocking = cached[:domain_blocking].merge(Account.domain_blocking_map(@uncached_account_ids, @current_account_id))
cache_uncached!
@following.merge!(options[:following_map] || {})
@followed_by.merge!(options[:followed_by_map] || {})
@blocking.merge!(options[:blocking_map] || {})
@muting.merge!(options[:muting_map] || {})
@requested.merge!(options[:requested_map] || {})
@domain_blocking.merge!(options[:domain_blocking_map] || {})
end
private
def cached
return @cached if defined?(@cached)
@cached = {
following: {},
followed_by: {},
blocking: {},
muting: {},
requested: {},
domain_blocking: {},
}
@uncached_account_ids = []
@account_ids.each do |account_id|
maps_for_account = Rails.cache.read("relationship:#{@current_account_id}:#{account_id}")
if maps_for_account.is_a?(Hash)
@cached.merge!(maps_for_account)
else
@uncached_account_ids << account_id
end
end
@cached
end
def cache_uncached!
@uncached_account_ids.each do |account_id|
maps_for_account = {
following: { account_id => following[account_id] },
followed_by: { account_id => followed_by[account_id] },
blocking: { account_id => blocking[account_id] },
muting: { account_id => muting[account_id] },
requested: { account_id => requested[account_id] },
domain_blocking: { account_id => domain_blocking[account_id] },
}
Rails.cache.write("relationship:#{@current_account_id}:#{account_id}", maps_for_account, expires_in: 1.day)
end
end
end