120 lines
4.5 KiB
Ruby
120 lines
4.5 KiB
Ruby
# frozen_string_literal: true
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class AccountRelationshipsPresenter
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attr_reader :following, :followed_by, :blocking, :blocked_by,
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:muting, :requested, :requested_by, :domain_blocking,
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:endorsed, :account_note
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def initialize(accounts, current_account_id, **options)
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@accounts = accounts.to_a
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@account_ids = @accounts.pluck(:id)
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@current_account_id = current_account_id
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@following = cached[:following].merge(Account.following_map(@uncached_account_ids, @current_account_id))
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@followed_by = cached[:followed_by].merge(Account.followed_by_map(@uncached_account_ids, @current_account_id))
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@blocking = cached[:blocking].merge(Account.blocking_map(@uncached_account_ids, @current_account_id))
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@blocked_by = cached[:blocked_by].merge(Account.blocked_by_map(@uncached_account_ids, @current_account_id))
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@muting = cached[:muting].merge(Account.muting_map(@uncached_account_ids, @current_account_id))
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@requested = cached[:requested].merge(Account.requested_map(@uncached_account_ids, @current_account_id))
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@requested_by = cached[:requested_by].merge(Account.requested_by_map(@uncached_account_ids, @current_account_id))
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@endorsed = cached[:endorsed].merge(Account.endorsed_map(@uncached_account_ids, @current_account_id))
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@account_note = cached[:account_note].merge(Account.account_note_map(@uncached_account_ids, @current_account_id))
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@domain_blocking = domain_blocking_map
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cache_uncached!
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@following.merge!(options[:following_map] || {})
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@followed_by.merge!(options[:followed_by_map] || {})
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@blocking.merge!(options[:blocking_map] || {})
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@blocked_by.merge!(options[:blocked_by_map] || {})
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@muting.merge!(options[:muting_map] || {})
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@requested.merge!(options[:requested_map] || {})
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@requested_by.merge!(options[:requested_by_map] || {})
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@domain_blocking.merge!(options[:domain_blocking_map] || {})
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@endorsed.merge!(options[:endorsed_map] || {})
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@account_note.merge!(options[:account_note_map] || {})
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end
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private
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def domain_blocking_map
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target_domains = @accounts.pluck(:domain).compact.uniq
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blocks_by_domain = {}
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# Fetch from cache
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cache_keys = target_domains.map { |domain| domain_cache_key(domain) }
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Rails.cache.read_multi(*cache_keys).each do |key, blocking|
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blocks_by_domain[key.last] = blocking
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end
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uncached_domains = target_domains - blocks_by_domain.keys
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# Read uncached values from database
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AccountDomainBlock.where(account_id: @current_account_id, domain: uncached_domains).pluck(:domain).each do |domain|
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blocks_by_domain[domain] = true
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end
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# Write database reads to cache
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to_cache = uncached_domains.to_h { |domain| [domain_cache_key(domain), blocks_by_domain[domain]] }
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Rails.cache.write_multi(to_cache, expires_in: 1.day)
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# Return formatted value
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@accounts.each_with_object({}) { |account, h| h[account.id] = blocks_by_domain[account.domain] }
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end
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def cached
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return @cached if defined?(@cached)
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@cached = {
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following: {},
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followed_by: {},
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blocking: {},
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blocked_by: {},
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muting: {},
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requested: {},
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requested_by: {},
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endorsed: {},
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account_note: {},
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}
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@uncached_account_ids = @account_ids.uniq
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cache_ids = @account_ids.map { |account_id| relationship_cache_key(account_id) }
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Rails.cache.read_multi(*cache_ids).each do |key, maps_for_account|
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@cached.deep_merge!(maps_for_account)
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@uncached_account_ids.delete(key.last)
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end
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@cached
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end
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def cache_uncached!
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to_cache = @uncached_account_ids.to_h do |account_id|
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maps_for_account = {
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following: { account_id => following[account_id] },
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followed_by: { account_id => followed_by[account_id] },
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blocking: { account_id => blocking[account_id] },
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blocked_by: { account_id => blocked_by[account_id] },
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muting: { account_id => muting[account_id] },
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requested: { account_id => requested[account_id] },
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requested_by: { account_id => requested_by[account_id] },
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endorsed: { account_id => endorsed[account_id] },
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account_note: { account_id => account_note[account_id] },
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}
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[relationship_cache_key(account_id), maps_for_account]
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end
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Rails.cache.write_multi(to_cache, expires_in: 1.day)
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end
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def domain_cache_key(domain)
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['exclude_domains', @current_account_id, domain]
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end
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def relationship_cache_key(account_id)
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['relationship', @current_account_id, account_id]
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end
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end
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