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# frozen_string_literal: true
class Statistic < ActiveRecord::Base
belongs_to :project
before_save :update_storage_size
enum key: {
commit_count: 0,
repository_size: 1,
lfs_objects_size: 2,
job_artifacts_size: 3,
repositories_count: 4
}
validates :key, presence: true
def self.increment_project_statistic(project, key, amount)
raise ArgumentError, "Cannot increment attribute: #{key}" unless keys.key?(key)
return if amount == 0
ActiveRecord::Base.transaction do
project.statistic.public_send(key).increment(amount)
end
end
def self.increment(amount)
self.value ||= 0
self.value += amount
save
end
def storage_size
query = <<~SQL
SELECT sum(v) from
(
SELECT value AS v FROM statistics WHERE project_id = #{project.id} AND key = #{keys[:repository_size]} LIMIT 1
union all
SELECT value AS v FROM statistics WHERE project_id = #{project.id} AND key = #{keys[:lfs_objects_size]} LIMIT 1
union all
SELECT value AS v FROM statistics WHERE project_id = #{project.id} AND key = #{keys[:job_artifacts_size]} LIMIT 1
)
SQL
ActiveRecord::Base.connection.select_all(query).first
end
end
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