Class: ActiveRecord::Base

Inherits:
Object show all
Defined in:
lib/brick/extensions.rb

Class Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Class Attribute Details

._brick_relation ⇒ Object (readonly)

Returns the value of attribute _brick_relation.



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# File 'lib/brick/extensions.rb', line 49

def _brick_relation
  @_brick_relation
end

Class Method Details

._active_storage_name(col_name) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 135

def _active_storage_name(col_name)
  if Object.const_defined?('ActiveStorage') && (self <= ::ActiveStorage::Attachment || self <= ::ActiveStorage::Blob)
    if (col_str = col_name.to_s).end_with?('_attachments')
      col_str[0..-13]
    elsif col_str.end_with?('_blobs')
      col_str[0..-7]
    end
  end
end

._activestorage_actiontext_fields ⇒ Object

Return three lists of fields for this model – has_one_attached, has_many_attached, and has_rich_text



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# File 'lib/brick/extensions.rb', line 117

def _activestorage_actiontext_fields
  fields = [[], [], {}]
  if Object.const_defined?('ActiveStorage') && respond_to?(:generated_association_methods) && !(self <= ::ActiveStorage::Blob) # ActiveStorage
    generated_association_methods.instance_methods.each do |method_sym|
      method_str = method_sym.to_s
      fields[0] << method_str[0..-13].to_sym if method_str.end_with?('_attachment=') # has_one_attached
      fields[1] << method_str[0..-14].to_sym if method_str.end_with?('_attachments=') # has_many_attached
    end
  end
  if respond_to?(:rich_text_association_names) # ActionText
    rich_text_association_names&.each do |rtan| # has_rich_text
      rtan_str = rtan.to_s
      fields[2][rtan] = rtan_str.start_with?('rich_text_') ? rtan_str[10..-1].to_sym : rtan
    end
  end
  fields
end

._assoc_names ⇒ Object 



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# File 'lib/brick/extensions.rb', line 65

def _assoc_names
  @_assoc_names ||= {}
end

._br_associatives ⇒ Object

has_many :through associative tables



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# File 'lib/brick/extensions.rb', line 411

def _br_associatives
  @_br_associatives ||= {}
end

._br_bt_descrip ⇒ Object

belongs_to DSL descriptions



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# File 'lib/brick/extensions.rb', line 403

def _br_bt_descrip
  @_br_bt_descrip ||= {}
end

._br_cust_cols ⇒ Object

Custom columns



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# File 'lib/brick/extensions.rb', line 415

def _br_cust_cols
  @_br_cust_cols ||= {}
end

._br_hm_counts ⇒ Object

has_many count definitions



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# File 'lib/brick/extensions.rb', line 407

def _br_hm_counts
  @_br_hm_counts ||= {}
end

._br_quoted_name(name) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 149

def _br_quoted_name(name)
  name = name.join('.') if name.is_a?(Array)
  if name == '*'
    name
  elsif is_mysql
    "`#{name.gsub('.', '`.`')}`"
  elsif is_postgres || is_mssql
    "\"#{name.gsub('.', '"."')}\""
  else
    name
  end
end

._brick_all_fields(skip_id = nil) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 104

def _brick_all_fields(skip_id = nil)
  col_names = columns_hash.keys
  # If it's a composite primary key then allow all the values through
  # TODO: Should disallow any autoincrement / SERIAL columns
  if skip_id && (pk_as_array = _pk_as_array).length == 1
    col_names -= _pk_as_array
  end
  hoa, hma, rtans = _activestorage_actiontext_fields
  col_names.map(&:to_sym) + hoa + hma.map { |as| { as => [] } } + rtans.values
end

._brick_calculate_bts_hms(translations, join_array) ⇒ Object

Search for custom column, BT, HM, and HMT DSL stuff



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# File 'lib/brick/extensions.rb', line 443

def self._brick_calculate_bts_hms(translations, join_array)
  # Add any custom columns
  ::Brick.config.custom_columns&.fetch(table_name, nil)&.each do |k, cc|
    if cc.is_a?(Array)
      fk_col = cc.last unless cc.last.blank?
      cc = cc.first
    else
      fk_col = true
    end
    # false = not polymorphic, and true = yes -- please emit_dsl
    pieces, my_dsl = brick_parse_dsl(join_array, [], translations, false, cc, true)
    _br_cust_cols[k] = [pieces, my_dsl, fk_col]
  end
  bts, hms, associatives = ::Brick.get_bts_and_hms(self, true)
  bts.each do |_k, bt|
    next if bt[2] # Polymorphic?

    # join_array will receive this relation name when calling #brick_parse_dsl
    _br_bt_descrip[bt.first] = if bt[1].is_a?(Array)
                                 # Last params here:  "true" is for yes, we are polymorphic
                                 bt[1].each_with_object({}) { |bt_class, s| s[bt_class] = bt_class.brick_parse_dsl(join_array, bt.first, translations, true) }
                               else
                                 { bt.last => bt[1].brick_parse_dsl(join_array, bt.first, translations) }
                               end
  end
  skip_klass_hms = ::Brick.config.skip_index_hms[self.name] || {}
  hms.each do |k, hm|
    next if skip_klass_hms.key?(k)

    if hm.macro == :has_one
      # For our purposes a :has_one is similar enough to a :belongs_to that we can just join forces
      _br_bt_descrip[k] = { hm.klass => hm.klass.brick_parse_dsl(join_array, k, translations) }
    else # Standard :has_many
      _br_hm_counts[k] = hm unless hm.options[:through] && !_br_associatives.fetch(hm.name, nil)
    end
  end
end

._brick_calculate_ordering(ordering, is_do_txt = true) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 481

def self._brick_calculate_ordering(ordering, is_do_txt = true)
  order_by_txt = [] if is_do_txt
  ordering = [ordering] if ordering && !ordering.is_a?(Array)
  order_by = ordering&.each_with_object([]) do |ord_part, s| # %%% If a term is also used as an eqi-condition in the WHERE clause, it can be omitted from ORDER BY
               case ord_part
               when String
                 ord_expr = if ord_part.index('(') # Any kind of SQL function at play here?
                              ord_part.gsub('^^^', _br_quoted_name(table_name))
                            else
                              _br_quoted_name(ord_part.gsub('^^^', table_name))
                            end
                 s << Arel.sql(ord_expr)
                 order_by_txt&.<<(ord_expr.index('.') ? "Arel.sql(#{ord_expr.inspect})" : ord_part.inspect)
               else # Expecting only Symbol
                 ord_part = ord_part.to_s
                 if ord_part[0] == '-' # First char '-' means descending order
                   ord_part.slice!(0)
                   is_desc = true
                 end
                 if ord_part[0] == '~' # Char '~' means order NULLs as highest values instead of lowest
                   ord_part.slice!(0)
                   # (Unfortunately SQLServer does not support NULLS FIRST / NULLS LAST, so leave them out.)
                   is_nulls_switch = if is_mysql
                                       :mysql
                                     else # PostgreSQL, OracleEnhanced, SQLite
                                       :pg
                                     end
                 end
                 if _br_hm_counts.key?(ord_part_sym = ord_part.to_sym)
                   ord_part = _br_quoted_name("b_r_#{ord_part}_ct")
                 elsif _br_bt_descrip.key?(ord_part_sym)
                   ord_part = _br_bt_descrip.fetch(ord_part_sym, nil)&.first&.last&.first&.last&.dup
                 elsif !_br_cust_cols.key?(ord_part_sym) && !column_names.include?(ord_part)
                   # Disallow ordering by a bogus column
                   # %%% Note this bogus entry so that Javascript can remove any bogus _brick_order
                   # parameter from the querystring, pushing it into the browser history.
                   ord_part = nil
                 end

                 if ord_part
                   ord_part << ' DESC' if is_desc
                   ord_part << (is_desc ? ' NULLS LAST' : ' NULLS FIRST') if is_nulls_switch == :pg
                   ord_part.insert(0, '-') if is_nulls_switch == :mysql

                   order_by_txt&.<<("Arel.sql(#{ord_part.inspect})")

                   # # Retain any reference to a bt_descrip as being a symbol
                   # # Was:  "#{quoted_table_name}.\"#{ord_part}\""
                   # order_by_txt&.<<(_br_bt_descrip.key?(ord_part) ? ord_part : ord_part.inspect)
                   s << ord_part
                 end
               end
             end
  [order_by, order_by_txt]
end

._brick_find_permits(model_or_assoc, current_permits, done_permits = []) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 419

def _brick_find_permits(model_or_assoc, current_permits, done_permits = [])
  unless done_permits.include?(model_or_assoc)
    done_permits << model_or_assoc
    self.reflect_on_all_associations.select { |assoc| !assoc.belongs_to? }.each_with_object([]) do |assoc, s|
      if assoc.options[:through]
        current_permits << { "#{assoc.name.to_s.singularize}_ids".to_sym => [] }
        s << "#{assoc.name.to_s.singularize}_ids: []"
      end
      if self.instance_methods.include?(:"#{assoc.name}_attributes=")
        # Support nested attributes which use the friendly_id gem
        assoc.klass._brick_nested_friendly_id if Object.const_defined?('FriendlyId') &&
                                                 assoc.klass.instance_variable_get(:@friendly_id_config)
        new_attrib_text = assoc.klass._brick_find_permits(assoc, (new_permits = assoc.klass._brick_all_fields), done_permits)
        new_permits << :_destroy
        current_permits << { "#{assoc.name}_attributes".to_sym => new_permits }
        s << "#{assoc.name}_attributes: #{new_attrib_text}"
      end
    end
  end
  current_permits
end

._brick_index(mode = nil, separator = nil, relation = nil, not_path = nil) ⇒ Object

Providing a relation object allows auto-modules built from table name prefixes to work



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# File 'lib/brick/extensions.rb', line 385

def self._brick_index(mode = nil, separator = nil, relation = nil, not_path = nil)
  return if abstract_class?

  ::Brick._brick_index(table_name, mode, separator, relation, not_path)
end

._brick_inheriteds ⇒ Object 



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# File 'lib/brick/extensions.rb', line 51

def _brick_inheriteds
  @_brick_inheriteds ||= ::ActiveRecord::Base.instance_variable_get(:@_brick_inheriteds)
end

._brick_monetized_attributes ⇒ Object 



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# File 'lib/brick/extensions.rb', line 205

def _brick_monetized_attributes
  @_brick_monetized_attributes ||= respond_to?(:monetized_attributes) ? monetized_attributes.values : {}
end

._brick_primary_key(relation = nil) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 172

def _brick_primary_key(relation = nil)
  return @_brick_primary_key if instance_variable_defined?(:@_brick_primary_key)

  pk = begin
         primary_key
       rescue
         superclass.respond_to?(:primary_key) && superclass.primary_key
       end
  pk = pk.is_a?(String) ? [pk] : pk.dup || []
  pk.map! { |pk_part| pk_part =~ /^[A-Z0-9_]+$/ ? pk_part.downcase : pk_part } unless connection.adapter_name == 'MySQL2'
  # Just return [] if we're missing any part of the primary key.  (PK is usually just "id")
  if relation && pk.present?
    @_brick_primary_key ||= pk.any? { |pk_part| !relation[:cols].key?(pk_part) } ? [] : pk
  else # No definitive key yet, so return what we can without setting the instance variable
    pk
  end
end

._pk_as_array ⇒ Object 



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# File 'lib/brick/extensions.rb', line 145

def _pk_as_array
  self.primary_key.is_a?(Array) ? self.primary_key : [self.primary_key]
end

.brick_descrip(obj, data = nil, pk_alias = nil) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 300

def self.brick_descrip(obj, data = nil, pk_alias = nil)
  dsl = obj if obj.is_a?(String)
  if (dsl ||= ::Brick.config.model_descrips[(klass = self).name] || klass.brick_get_dsl)
    idx = -1
    caches = {}
    output = +''
    is_brackets_have_content = false
    bracket_name = nil
    dsl.each_char do |ch|
      if bracket_name
        if ch == ']' # Time to process a bracketed thing?
          datum = if data
                    data[idx += 1].to_s
                  else
                    obj_name = +''
                    this_obj = obj
                    bracket_name.split('.').each do |part|
                      obj_name += ".#{part}"
                      this_obj = begin
                                   caches.fetch(obj_name) { caches[obj_name] = this_obj&.send(part.to_sym) }
                                 rescue
                                   clsnm = part.camelize
                                   if (possible = this_obj.class.reflect_on_all_associations.select { |a| !a.polymorphic? && (a.class_name == clsnm || a.klass.base_class.name == clsnm) }.first)
                                     caches[obj_name] = this_obj&.send(possible.name)
                                   end
                                 end
                      break if this_obj.nil?
                    end
                    if this_obj.is_a?(ActiveRecord::Base) && (obj_descrip = this_obj.class.brick_descrip(this_obj))
                      this_obj = obj_descrip
                    end
                    if Object.const_defined?('ActiveStorage') && this_obj.is_a?(::ActiveStorage::Filename) &&
                       this_obj.instance_variable_get(:@filename).nil?
                      this_obj.instance_variable_set(:@filename, '')
                    end
                    this_obj&.to_s || ''
                  end
          begin
            is_brackets_have_content = true unless datum.blank?
          rescue
          end
          output << (datum || '')
          bracket_name = nil
        else
          bracket_name << ch
        end
      elsif ch == '['
        bracket_name = +''
      else
        output << ch
      end
    end
    output += bracket_name if bracket_name
  end
  if is_brackets_have_content
    output
  elsif (pk_alias ||= primary_key)
    pk_alias = [pk_alias] unless pk_alias.is_a?(Array)
    id = []
    pk_alias.each do |pk_alias_part|
      if (pk_part = obj.respond_to?(pk_alias_part) ? obj.send(pk_alias_part) : nil)
        id << pk_part
      end
    end
    if id.present?
      "#{klass.name} ##{id.join(', ')}"
    end
  else
    obj.to_s
  end
end

.brick_foreign_type(assoc) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 100

def brick_foreign_type(assoc)
  reflect_on_association(assoc).foreign_type || "#{assoc}_type"
end

.brick_get_dsl ⇒ Object

Used to show a little prettier name for an object



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# File 'lib/brick/extensions.rb', line 191

def brick_get_dsl
  # If there's no DSL yet specified, just try to find the first usable column on this model
  unless (dsl = ::Brick.config.model_descrips[name])
    skip_columns = _brick_get_fks + (::Brick.config.metadata_columns || []) + [primary_key]
    dsl = if (descrip_col = columns.find { |c| [:boolean, :binary, :xml].exclude?(c.type) && skip_columns.exclude?(c.name) })
            "[#{descrip_col.name}]"
          else
            "#{name} ##{_pk_as_array.map { |pk_part| "[#{pk_part}]" }.join(', ')}"
          end
    ::Brick.config.model_descrips[name] = dsl
  end
  dsl
end

.brick_group(*args, withhold_ids: true, **kwargs) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 549

def self.brick_group(*args, withhold_ids: true, **kwargs)
  all.brick_group(*args, withhold_ids: withhold_ids, **kwargs)
end

.brick_import_template ⇒ Object 



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# File 'lib/brick/extensions.rb', line 391

def self.brick_import_template
  template = constants.include?(:IMPORT_TEMPLATE) ? self::IMPORT_TEMPLATE : suggest_template(0, false, true)
  # Add the primary key to the template as being unique (unless it's already there)
  if primary_key
    template[:uniques] = [pk = primary_key.to_sym]
    template[:all].unshift(pk) unless template[:all].include?(pk)
  end
  template
end

.brick_parse_dsl(join_array = nil, prefix = [], translations = {}, is_polymorphic = false, dsl = nil, emit_dsl = false) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 210

def self.brick_parse_dsl(join_array = nil, prefix = [], translations = {}, is_polymorphic = false, dsl = nil, emit_dsl = false)
  unless join_array.is_a?(::Brick::JoinArray)
    join_array = ::Brick::JoinArray.new.tap { |ary| ary.replace([join_array]) } if join_array.is_a?(::Brick::JoinHash)
    join_array = ::Brick::JoinArray.new unless join_array.nil? || join_array.is_a?(Array)
  end
  prefix = [prefix] unless prefix.is_a?(Array)
  members = []
  unless dsl || (dsl = ::Brick.config.model_descrips[name] || brick_get_dsl)
    # With no DSL available, still put this prefix into the JoinArray so we can get primary key (ID) info from this table
    x = prefix.each_with_object(join_array) { |v, s| s[v.to_sym] }
    x[prefix.last] = nil unless prefix.empty? # Using []= will "hydrate" any missing part(s) in our whole series
    return members
  end

  # Do the actual dirty work of recursing through nested DSL
  bracket_name = nil
  dsl2 = +'' # To replace our own DSL definition in case it needs to be expanded
  dsl3 = +'' # To return expanded DSL that is nested from another model
  klass = nil
  dsl.each_char do |ch|
    if bracket_name
      if ch == ']' # Time to process a bracketed thing?
        parts = bracket_name.split('.')
        first_parts = parts[0..-2].each_with_object([]) do |part, s|
          unless (klass = (orig_class = klass).reflect_on_association(part_sym = part.to_sym)&.klass)
            puts "Couldn't reference #{orig_class.name}##{part} that's part of the DSL \"#{dsl}\"."
            break
          end
          s << part_sym
        end
        if first_parts
          if (parts = prefix + first_parts + [parts[-1]]).length > 1 && klass
            join_array.add_parts(parts) unless is_polymorphic
            translations[parts[0..-2].join('.')] = klass
          end
          if klass&.column_names.exclude?(parts.last) &&
             (klass = (orig_class = klass).reflect_on_association(possible_dsl = parts.last&.to_sym)&.klass)
            parts.pop
            if prefix.empty? # Custom columns start with an empty prefix
              prefix << parts.shift until parts.empty?
            end
            # Expand this entry which refers to an association name
            members2, dsl2a = klass.brick_parse_dsl(join_array, prefix + [possible_dsl], translations, is_polymorphic, nil, true)
            members += members2
            dsl2 << dsl2a
            dsl3 << dsl2a
          else
            dsl2 << "[#{bracket_name}]"
            if emit_dsl
              dsl3 << "[#{prefix[1..-1].map { |p| "#{p.to_s}." }.join if prefix.length > 1}#{bracket_name}]"
            end
            parts[-1] = column_names.first if parts[-1].nil? # No primary key to be found?  Grab something to display!
            members << parts
          end
        end
        bracket_name = nil
      else
        bracket_name << ch
      end
    elsif ch == '['
      bracket_name = +''
      klass = self
    else
      dsl2 << ch
      dsl3 << ch
    end
  end
  # Rewrite the DSL in case it's now different from having to expand it
  # if ::Brick.config.model_descrips[name] != dsl2
  #   puts ::Brick.config.model_descrips[name]
  #   puts dsl2.inspect
  #   puts dsl3.inspect
  #   binding.pry
  # end
  if emit_dsl
    # Had been:  [members, dsl2, dsl3]
    [members, dsl3]
  else
    ::Brick.config.model_descrips[name] = dsl2
    members
  end
end

.brick_pluck(*args, withhold_ids: true, **kwargs) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 541

def self.brick_pluck(*args, withhold_ids: true, **kwargs)
  all.brick_pluck(*args, withhold_ids: withhold_ids, **kwargs)
end

.brick_select(*args, **kwargs) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 537

def self.brick_select(*args, **kwargs)
  all.brick_select(*args, **kwargs)
end

.brick_where(*args) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 545

def self.brick_where(*args)
  all.brick_where(*args)
end

.bt_link(assoc_name) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 372

def self.bt_link(assoc_name)
  assoc_html_name = unless (assoc_name = assoc_name.to_s).camelize == name
                      CGI.escapeHTML(assoc_name)
                    end
  model_path = ::Rails.application.routes.url_helpers.send("#{_brick_index || table_name}_path".to_sym)
  model_path << "?#{self.inheritance_column}=#{self.name}" if self != base_class
  av_class = Class.new.extend(ActionView::Helpers::UrlHelper)
  av_class.extend(ActionView::Helpers::TagHelper) if ActionView.version < ::Gem::Version.new('7')
  link = av_class.link_to(assoc_html_name ? name : assoc_name, model_path)
  assoc_html_name ? "#{assoc_name}-#{link}".html_safe : link
end

.inherited(model) ⇒ Object

Track the file(s) in which each model is defined



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# File 'lib/brick/extensions.rb', line 56

def inherited(model)
  (_brick_inheriteds[model] ||= []) << caller.first.split(':')[0..1] unless caller.first.include?('/lib/brick/extensions.rb:')
  super
end

.is_brick? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brick/extensions.rb', line 61

def is_brick?
  instance_variables.include?(:@_brick_relation) && instance_variable_get(:@_brick_relation)
end

.is_mssql ⇒ Object 



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# File 'lib/brick/extensions.rb', line 168

def is_mssql
  @is_mssql ||= connection.adapter_name == 'SQLServer'
end

.is_mysql ⇒ Object 



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# File 'lib/brick/extensions.rb', line 165

def is_mysql
  @is_mysql ||= ['Mysql2', 'Trilogy'].include?(connection.adapter_name)
end

.is_postgres ⇒ Object 



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# File 'lib/brick/extensions.rb', line 162

def is_postgres
  @is_postgres ||= connection.adapter_name == 'PostgreSQL'
end

.is_view? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brick/extensions.rb', line 69

def is_view?
  false
end

.json_column?(col) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/brick/extensions.rb', line 92

def json_column?(col)
  col.type == :json || ::Brick.config.json_columns[table_name]&.include?(col.name) ||
  (
    respond_to?(:attribute_types) && (attr_types = attribute_types[col.name]).respond_to?(:coder) &&
    (attr_types.coder.is_a?(Class) ? attr_types.coder : attr_types.coder&.class)&.name&.end_with?('JSON')
  )
end

.real_model(params) ⇒ Object 



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# File 'lib/brick/extensions.rb', line 73

def real_model(params)
  if params && ((sub_name = params.fetch(inheritance_column, nil)).present? ||
                (sub_name = params[name.underscore]&.fetch(inheritance_column, nil)))
    sub_name = sub_name.first if sub_name.is_a?(Array) # Support the params style that gets returned from #_brick_querying
    # Make sure the chosen model is really the same or a subclass of this model
    return self if sub_name.blank?

    (possible_model = sub_name.constantize) <= self ? possible_model : self
  else
    self
  end
end

.real_singular(params) ⇒ Object

Accommodate STI



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# File 'lib/brick/extensions.rb', line 87

def real_singular(params)
  real_model = real_model(params)
  [real_model, real_model.name.underscore.split('/').last]
end

Instance Method Details

#brick_descrip(data = nil, pk_alias = nil) ⇒ Object

If available, parse simple DSL attached to a model in order to provide a friendlier name. Object property names can be referenced in square brackets like this: { ‘User’ => ‘[profile.firstname] [profile.lastname]’ }



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# File 'lib/brick/extensions.rb', line 296

def brick_descrip(data = nil, pk_alias = nil)
  self.class.brick_descrip(self, data, pk_alias)
end