38 lines
910 B
Ruby
38 lines
910 B
Ruby
# frozen_string_literal: true
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module Users
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class UpdateTodoCountCacheService < BaseService
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QUERY_BATCH_SIZE = 10
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attr_reader :user_ids
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# user_ids - An array of User IDs
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def initialize(user_ids)
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@user_ids = user_ids
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end
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def execute
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user_ids.each_slice(QUERY_BATCH_SIZE) do |user_ids_batch|
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todo_counts = Todo.for_user(user_ids_batch).count_grouped_by_user_id_and_state
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user_ids_batch.each do |user_id|
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update_count_cache(user_id, todo_counts, :done)
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update_count_cache(user_id, todo_counts, :pending)
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end
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end
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end
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private
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def update_count_cache(user_id, todo_counts, state)
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count = todo_counts.fetch([user_id, state.to_s], 0)
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Rails.cache.write(
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['users', user_id, "todos_#{state}_count"],
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count,
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expires_in: User::COUNT_CACHE_VALIDITY_PERIOD
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)
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end
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end
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end
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