Module: Spider::Model::List::MapperMethods
- Defined in:
- lib/spiderfw/model/mixins/list.rb
Instance Method Summary collapse
- #before_delete(objects) ⇒ Object
- #before_save(obj, mode) ⇒ Object
- #check_list_condition(element, obj) ⇒ Object
- #get_list_condition(element, obj) ⇒ Object
- #move_down_list(element_name, from, to = nil, condition = nil) ⇒ Object
- #move_up_list(element_name, from, to = nil, condition = nil) ⇒ Object
Instance Method Details
#before_delete(objects) ⇒ Object
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# File 'lib/spiderfw/model/mixins/list.rb', line 59 def before_delete(objects) @model.lists.each do |list_el| objects.each do |obj| cond = get_list_condition(list_el, obj) val = obj.get(list_el) move_down_list(list_el.name, val, nil, cond) if val end end super(objects) end |
#before_save(obj, mode) ⇒ Object
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# File 'lib/spiderfw/model/mixins/list.rb', line 25 def before_save(obj, mode) return super if obj. && storage.supports?(:embedding) obj.class.lists.each do |l| next if (!check_list_condition(l, obj)) cond = get_list_condition(l, obj) cur = obj.get(l.name) obj.set(l.name, max(l.name, cond) + 1) unless cur end if (obj.list_mixin_modified_elements) obj.list_mixin_modified_elements.each do |name, old| if (!check_list_condition(name, obj)) obj.set(name, nil) next end cond = get_list_condition(name, obj) new_val = nil obj.save_mode do new_val = obj.get(name) end new_val ||= max(name, cond) + 1 if (!old) move_up_list(name, new_val, nil, cond) else if (new_val < old) move_up_list(name, new_val, old-1, cond) else move_down_list(name, old+1, new_val, cond) end end end end super(obj, mode) end |
#check_list_condition(element, obj) ⇒ Object
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# File 'lib/spiderfw/model/mixins/list.rb', line 96 def check_list_condition(element, obj) element = @model.elements[element] unless element.is_a?(Element) l_check = element.attributes[:check_list_condition] return true unless l_check return l_check.call(obj) end |
#get_list_condition(element, obj) ⇒ Object
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# File 'lib/spiderfw/model/mixins/list.rb', line 86 def get_list_condition(element, obj) element = @model.elements[element] unless element.is_a?(Element) l_cond = element.attributes[:list_condition] return nil unless l_cond cond = l_cond.call(obj) cond = Condition.new(cond) unless cond.is_a?(Condition) preprocess_condition(cond) return cond end |
#move_down_list(element_name, from, to = nil, condition = nil) ⇒ Object
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# File 'lib/spiderfw/model/mixins/list.rb', line 78 def move_down_list(element_name, from, to=nil, condition=nil) expr = ":#{element_name} - 1" cond = condition || Condition.and cond.set(element_name, '>=', from) cond.set(element_name, '<=', to) if to bulk_update({element_name => Spider::QueryFuncs::Expression.new(expr)}, cond) end |
#move_up_list(element_name, from, to = nil, condition = nil) ⇒ Object
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# File 'lib/spiderfw/model/mixins/list.rb', line 70 def move_up_list(element_name, from, to=nil, condition=nil) expr = ":#{element_name} + 1" cond = condition || Condition.and cond.set(element_name, '>=', from) cond.set(element_name, '<=', to) if to bulk_update({element_name => Spider::QueryFuncs::Expression.new(expr)}, cond) end |