class Dart::Reflection::OrmModelResolver
Constants
- QUERY_OPTIONS
Helpers
- QUERY_OPTION_REGEXS
Attributes
this_model_class[R]
Public Class Methods
new(model_class)
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# File lib/dart/reflection/orm_model_resolver.rb, line 10 def initialize(model_class) @this_model_class = model_class end
Public Instance Methods
association_for(ass_name)
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Returns the association with the given ass_name or nil if one does not exist @param [String] ass_name @return [Association]
# File lib/dart/reflection/orm_model_resolver.rb, line 21 def association_for(ass_name) if ass_reflection = reflection_from(ass_name) build_association(ass_reflection) end end
build_from_association(association)
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# File lib/dart/reflection/orm_model_resolver.rb, line 14 def build_from_association(association) self.class.new(association.model_class) end
column_for(col_name)
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Returns the column with the given col_name or nil if one does not exist @param [String] col_name @return [String]
# File lib/dart/reflection/orm_model_resolver.rb, line 30 def column_for(col_name) col_name if has_column?(col_name) end
scope_hash_from(sql_string)
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Returns parts of the given sql_string in a hash of the form {where: …, order: …, limit: …}
# File lib/dart/reflection/orm_model_resolver.rb, line 45 def scope_hash_from(sql_string) # TODO: cleanup - this is some of the ugliest code I've ever written result = {} re_start_pairs = QUERY_OPTION_REGEXS.map {|re| [re, sql_string =~ re]}.reject {|_, i| i.nil?}.sort_by {|_, i| i} re_start_pairs.each_with_index do |re_start, i| re, start_index = re_start end_index = -1 if next_match = re_start_pairs[i+1] end_index = next_match[1]-1 end sql_string[start_index..end_index] =~ re QUERY_OPTIONS.each {|o| result[o] = $~[o].strip if ($~[o] rescue nil)} end result end
table_name()
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# File lib/dart/reflection/orm_model_resolver.rb, line 34 def table_name this_model_class.table_name.to_s end