31 lines
858 B
Ruby
31 lines
858 B
Ruby
# frozen_string_literal: true
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class ProgrammingLanguage < ApplicationRecord
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validates :name, presence: true
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validates :color, allow_blank: false, color: true
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# Returns all programming languages which match any of the given names (case
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# insensitively).
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scope :with_name_case_insensitive, ->(*names) do
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sanitized_names = names.map(&method(:sanitize_sql_like))
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where(arel_table[:name].matches_any(sanitized_names))
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end
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def self.most_popular(limit = 25)
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sql = <<~SQL
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SELECT
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mcv
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FROM
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pg_stats
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CROSS JOIN LATERAL
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unnest(most_common_vals::text::int[]) mt(mcv)
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WHERE
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tablename = 'repository_languages' and attname='programming_language_id'
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LIMIT
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$1
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SQL
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ids = connection.exec_query(sql, 'SQL', [limit]).rows.flatten
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where(id: ids).order(:name)
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end
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end
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