Module: Effective::Resources::Relation
- Included in:
- Effective::Resource
- Defined in:
- app/models/effective/resources/relation.rb
Constant Summary collapse
- TARGET_LIST_LIMIT =
1500
- TARGET_KEYS_LIMIT =
30000
Instance Method Summary collapse
-
#order(name, direction = :asc, as: nil, sort: nil, sql_column: nil, limit: nil, reorder: false) ⇒ Object
name: sort by this column, or this relation sort: when a symbol or boolean, this is the relation’s column to sort by.
- #relation ⇒ Object
- #search(name, value, as: nil, fuzzy: true, sql_column: nil) ⇒ Object
- #search_any(value, columns: nil, fuzzy: nil) ⇒ Object
Instance Method Details
#order(name, direction = :asc, as: nil, sort: nil, sql_column: nil, limit: nil, reorder: false) ⇒ Object
name: sort by this column, or this relation sort: when a symbol or boolean, this is the relation’s column to sort by
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# File 'app/models/effective/resources/relation.rb', line 17 def order(name, direction = :asc, as: nil, sort: nil, sql_column: nil, limit: nil, reorder: false) raise 'expected relation to be present' unless relation sql_column ||= sql_column(name) sql_type = (as || sql_type(name)) association = associated(name) sql_direction = sql_direction(direction) @relation = relation.reorder(nil) if reorder case sql_type when :belongs_to relation .order(order_by_associated_conditions(association, sort: sort, direction: direction, limit: limit)) when :belongs_to_polymorphic relation .order(Arel.sql("#{sql_column}_type #{sql_direction}")) .order(Arel.sql("#{sql_column}_id #{sql_direction}")) when :has_and_belongs_to_many, :has_many, :has_one relation .order(order_by_associated_conditions(association, sort: sort, direction: direction, limit: limit)) .order(Arel.sql("#{sql_column(klass.primary_key)} #{sql_direction}")) when :effective_addresses relation .order(order_by_associated_conditions(associated(:addresses), sort: sort, direction: direction, limit: limit)) .order(Arel.sql("#{sql_column(klass.primary_key)} #{sql_direction}")) when :active_storage relation.send("with_attached_#{name}").references("#{name}_attachment") .order(Arel.sql("active_storage_blobs.filename #{sql_direction}")) when :effective_roles relation.order(Arel.sql("#{sql_column(:roles_mask)} #{sql_direction}")) when :string, :text relation .order(Arel.sql(("ISNULL(#{sql_column}), " if mysql?).to_s + "#{sql_column}='' ASC, #{sql_column} #{sql_direction}" + (" NULLS LAST" if postgres?).to_s)) when :time relation .order(Arel.sql(("ISNULL(#{sql_column}), " if mysql?).to_s + "EXTRACT(hour from #{sql_column}) #{sql_direction}, EXTRACT(minute from #{sql_column}) #{sql_direction}" + (" NULLS LAST" if postgres?).to_s)) else relation .order(Arel.sql(("ISNULL(#{sql_column}), " if mysql?).to_s + "#{sql_column} #{sql_direction}" + (" NULLS LAST" if postgres?).to_s)) end end |
#relation ⇒ Object
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# File 'app/models/effective/resources/relation.rb', line 7 def relation @relation ||= klass.where(nil) end |
#search(name, value, as: nil, fuzzy: true, sql_column: nil) ⇒ Object
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# File 'app/models/effective/resources/relation.rb', line 60 def search(name, value, as: nil, fuzzy: true, sql_column: nil) raise 'expected relation to be present' unless relation sql_column ||= sql_column(name) sql_type = (as || sql_type(name)) fuzzy = true unless fuzzy == false if ['SUM(', 'COUNT(', 'MAX(', 'MIN(', 'AVG('].any? { |str| sql_column.to_s.include?(str) } return relation.having("#{sql_column} = ?", value) end association = associated(name) term = Effective::Attribute.new(sql_type, klass: (association.try(:klass) rescue nil) || klass).parse(value, name: name) # term == 'nil' rescue false is a Rails 4.1 fix, where you can't compare a TimeWithZone to 'nil' if (term == 'nil' rescue false) && ![:has_and_belongs_to_many, :has_many, :has_one, :belongs_to, :belongs_to_polymorphic, :effective_roles].include?(sql_type) return relation.where(is_null(sql_column)) end case sql_type when :belongs_to if term == 'nil' relation.where(is_null(association.foreign_key)) else relation.where(search_by_associated_conditions(association, term, fuzzy: fuzzy)) end when :belongs_to_polymorphic (type, id) = term.split('_') if term == 'nil' relation.where(is_null("#{sql_column}_id")).where(is_null("#{sql_column}_type")) elsif type.present? && id.present? relation.where("#{sql_column}_id = ?", id).where("#{sql_column}_type = ?", type) else id ||= Effective::Attribute.new(:integer).parse(term) relation.where("#{sql_column}_id = ? OR #{sql_column}_type = ?", id, (type || term)) end when :has_and_belongs_to_many, :has_many, :has_one relation.where(search_by_associated_conditions(association, term, fuzzy: fuzzy)) when :effective_addresses relation.where(id: Effective::Resource.new(association).search_any(value, fuzzy: fuzzy).pluck(:addressable_id)) when :effective_obfuscation # If value == term, it's an invalid deobfuscated id relation.where("#{sql_column} = ?", (value == term ? 0 : term)) when :effective_roles relation.with_role(term) when :active_storage relation.send("with_attached_#{name}").references("#{name}_attachment") .where(ActiveStorage::Blob.arel_table[:filename].matches("%#{term}%")) when :boolean relation.where("#{sql_column} = ?", term) when :datetime, :date end_at = ( case (value.to_s.scan(/(\d+)/).flatten).length when 1 ; term.end_of_year # Year when 2 ; term.end_of_month # Year-Month when 3 ; term.end_of_day # Year-Month-Day when 4 ; term.end_of_hour # Year-Month-Day Hour when 5 ; term.end_of_minute # Year-Month-Day Hour-Minute when 6 ; term + 1.second # Year-Month-Day Hour-Minute-Second else term end ) relation.where("#{sql_column} >= ? AND #{sql_column} <= ?", term, end_at) when :time timed = relation.where("EXTRACT(hour from #{sql_column}) = ?", term.utc.hour) timed = timed.where("EXTRACT(minute from #{sql_column}) = ?", term.utc.min) if term.min > 0 timed when :decimal, :currency if fuzzy && (term.round(0) == term) && value.to_s.include?('.') == false if term < 0 relation.where("#{sql_column} <= ? AND #{sql_column} > ?", term, term-1.0) else relation.where("#{sql_column} >= ? AND #{sql_column} < ?", term, term+1.0) end else relation.where("#{sql_column} = ?", term) end when :duration if fuzzy && (term % 60 == 0) && value.to_s.include?('m') == false if term < 0 relation.where("#{sql_column} <= ? AND #{sql_column} > ?", term, term-60) else relation.where("#{sql_column} >= ? AND #{sql_column} < ?", term, term+60) end else relation.where("#{sql_column} = ?", term) end when :integer relation.where("#{sql_column} = ?", term) when :percent relation.where("#{sql_column} = ?", term) when :price relation.where("#{sql_column} = ?", term) when :string, :text, :email if fuzzy relation.where("#{sql_column} #{ilike} ?", "%#{term}%") else relation.where("#{sql_column} = ?", term) end when :uuid if fuzzy relation.where("#{sql_column}::text #{ilike} ?", "%#{term}%") else relation.where("#{sql_column}::text = ?", term) end else raise "unsupported sql type #{sql_type}" end end |
#search_any(value, columns: nil, fuzzy: nil) ⇒ Object
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# File 'app/models/effective/resources/relation.rb', line 172 def search_any(value, columns: nil, fuzzy: nil) raise 'expected relation to be present' unless relation # Assume this is a set of IDs if value.kind_of?(Integer) || value.kind_of?(Array) || (value.to_i.to_s == value) return relation.where(klass.primary_key => value) end # If the value is 3-something-like-this if (values = value.to_s.split('-')).length > 0 && (maybe_id = values.first).present? return relation.where(klass.primary_key => maybe_id) if (maybe_id.to_i.to_s == maybe_id) end # Otherwise, we fall back to a string/text search of all columns columns = Array(columns || search_columns) fuzzy = true unless fuzzy == false conditions = ( if fuzzy columns.map { |name| "#{sql_column(name)} #{ilike} :fuzzy" } else columns.map { |name| "#{sql_column(name)} = :value" } end ).join(' OR ') relation.where(conditions, fuzzy: "%#{value}%", value: value) end |