Class: Spider::Model::Mappers::DocumentMapper
Instance Attribute Summary
#model, #storage, #type
Instance Method Summary
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#assign_pk(obj) ⇒ Object
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#before_save(obj, mode) ⇒ Object
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#children_for_unit_of_work(obj, action) ⇒ Object
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#determine_save_mode(obj) ⇒ Object
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#do_delete(condition, force) ⇒ Object
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#do_insert(obj) ⇒ Object
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#do_update(obj) ⇒ Object
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#document_element?(el, model = @model) ⇒ Boolean
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#document_elements(obj) ⇒ Object
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#embed?(element, val = nil) ⇒ Boolean
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#embedding(obj) ⇒ Object
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#get_external_element(element, query, objects) ⇒ Object
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#have_references?(element) ⇒ Boolean
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#map(request, result, obj_or_model) ⇒ Object
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#obj_to_hash(obj, options = {}) ⇒ Object
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#save_extended_models(obj, mode) ⇒ Object
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#someone_have_references?(element) ⇒ Boolean
#after_delete, #after_save, #associate_external, #association_elements, #base_type, #basic_preprocess, #before_delete, #before_insert, #before_update, #bulk_update, #count, #delete, #delete_all!, #delete_element_associations, #execute_action, #expand_request, #fetch, #find, #find_with_superclass, #get_dependencies, #get_external, #initialize, #insert, #load, #load_element, #load_element!, #lock, #map_back_value, #map_condition_value, #map_elements, #map_save_value, #map_value, #mapped?, #merge_object, #no_map, #normalize, #prepare_delete_condition, #prepare_query, #prepare_query_request, #preprocess_condition, #queryset_siblings, #save, #save_all, #save_associations, #save_done, #save_element_associations, #save_integrated, #sequence_next, #set_pks_condition, #sortable?, #split_condition_polymorphs, #storage_value_to_mapper, #truncate!, #update, write?
Instance Method Details
#assign_pk(obj) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 63
def assign_pk(obj)
if obj.is_a?(QuerySet)
obj.each{ |o| assign_pk(o) }
return
end
obj.class.elements_array.select{ |el| el.type <= Spider::DataTypes::PK }.each do |el|
obj.set(el, storage.generate_pk) unless obj.element_has_value?(el)
end
end
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#before_save(obj, mode) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 82
def before_save(obj, mode)
super
obj.class.elements_array.select{ |el|
el.attributes[:embedded] && !el.attributes[:extended_model] && obj.element_has_value?(el)
}.each do |el|
if el.multiple?
obj.get(el).each do |o|
o.mapper.before_save(o, mode)
end
else
o = obj.get(el)
next unless o
o.mapper.before_save(o, mode)
end
end
end
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#children_for_unit_of_work(obj, action) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 283
def children_for_unit_of_work(obj, action)
obj.class.elements_array.select{ |el|
el.model? && obj.element_has_value?(el) && !el.attributes[:embedded] && !el.attributes[:added_reverse]
}.map do |el|
obj.get(el)
end
end
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#determine_save_mode(obj) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 296
def determine_save_mode(obj)
if @model.extended_models && !@model.extended_models.empty?
has_pks = true
@model.primary_keys.each do |pk|
if pk.integrated? && pk.integrated_from.attributes[:extended_model]
return super unless pk.integrated_from.attributes[:embedded]
unless obj.element_has_value?(pk)
has_pks = false
break
end
end
end
return has_pks ? :update : :insert
end
end
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#do_delete(condition, force) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 73
def do_delete(condition, force)
query = Spider::Model::Query.new(condition)
objs = self.find(query)
return unless objs
objs.each do |obj|
storage.delete(obj.class.name, obj_to_hash(obj))
end
end
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#do_insert(obj) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 59
def do_insert(obj)
storage.insert(obj.class.name, obj_to_hash(obj))
end
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#do_update(obj) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 31
def do_update(obj)
search_obj = obj
emb = embedding(obj)
path = nil
search_obj, path = emb if emb
condition = {}
condition["_id"] = obj.keys_string
set = {}
document_elements(obj).select{ |el| obj.element_modified?(el) }.each do |el|
name = el.name
name = "#{path}.#{name}" if path
if el.model?
if el.attributes[:embedded]
set[name] = obj_to_hash(obj.get(el), :embed_key => el.attributes[:embed_key])
else
set[name] = obj.get(el).keys_string
end
else
set[name] = map_save_value(el.type, obj.get(el), :update)
end
end
storage.update(search_obj.class.name, condition, set)
end
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#document_element?(el, model = @model) ⇒ Boolean
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 103
def document_element?(el, model=@model)
return true if el.attributes[:document_element]
return false if el.multiple? && !el.attributes[:embedded]
return false if el.attributes[:extended_model]
return false if el.attributes[:added_reverse]
return false if el.attributes[:computed_from]
return false if el.integrated? && !el.integrated_from.attributes[:extended_model]
return true
end
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#document_elements(obj) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 99
def document_elements(obj)
obj.class.elements_array.select{ |el| document_element?(el, obj.class) }
end
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#embed?(element, val = nil) ⇒ Boolean
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 114
def embed?(element, val=nil)
return false unless element.attributes[:embedded] && element.model.embeddable?
return false if element.integrated?
model = nil
if val
model = val.is_a?(QuerySet) ? val.model : val.class
else
model = element.model
end
return false unless model.embeddable?
return true
end
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#embedding(obj) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 10
def embedding(obj)
embedder_el = obj.embedder
return nil unless embedder_el
first_embedder = obj.get(embedder_el)
while first_embedder._subclass_object
first_embedder = first_embedder._subclass_object
end
reverse_el = embedder_el.type.elements[embedder_el.reverse]
path = "#{reverse_el.name}.#{obj.get(reverse_el.attributes[:embed_key])}"
parent_obj = obj.get(embedder_el)
parent_embedding = parent_obj.mapper.embedding(parent_obj)
if parent_embedding
first_embedder = parent_embedding[0]
path = "#{parent_embedding[0]}.#{path}"
end
[first_embedder, path]
end
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#get_external_element(element, query, objects) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 291
def get_external_element(element, query, objects)
return objects if element.attributes[:embedded] || element.attributes[:extended_model]
super
end
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#have_references?(element) ⇒ Boolean
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 184
def have_references?(element)
element = @model.elements[element] unless element.is_a?(Element)
document_element?(element)
end
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#map(request, result, obj_or_model) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 198
def map(request, result, obj_or_model)
model = obj_or_model.is_a?(Class) ? obj_or_model : obj_or_model.model
if (!request || request == true)
request = Request.new
model.elements_array.each{ |el| request.request(el.name) }
end
subclass_type_el = model.elements_array.select{ |cel| cel.attributes[:subclass_type] }.first
if subclass_type_el && subclass_type = result[subclass_type_el.name]
model = const_get_full(subclass_type)
end
embedded = {}
embedded_keys = model.elements_array.select{ |el| embed?(el) && !el.attributes[:extended_model] }.map{ |el| el.name }
embedded_keys.each do |k|
embedded[k] = result.delete(k)
end
data = {}
request.keys.each do |element_name|
element = model.elements[element_name]
result_value = nil
next if !element || (element.integrated? && !element.integrated_from.embedded?) || !have_references?(element)
next if embedded[element_name]
if element.model?
pks = {}
keys_str = result[element_name]
next if keys_str.blank?
pks_array = element.model.split_keys_string(keys_str)
element.model.primary_keys.each_with_index do |key, i|
key_val = pks_array[i]
pks[key.name] = map_back_value(key.type, key_val)
end
data[element_name] = Spider::Model.get(element.model, pks, true)
elsif !element.model?
data[element_name] = map_back_value(element.type, result[element_name])
end
end
obj = Spider::Model.get(model, data, true)
embedded.each do |k, v|
if !v
obj.set_loaded_value(k, nil) if request[k]
next
end
next if v.is_a?(Array) && v.empty?
el = obj.class.elements[k]
if el.multiple?
vals = []
if el.attributes[:embed_key]
vals = v.values
else
vals = v
end
qs = QuerySet.static(el.model)
el_model = el.model
el_mapper = el.model.mapper
if el.junction? && !el.attributes[:keep_junction]
el_model = el.type
el_mapper = el.model.mapper
end
vals.each do |val|
sub_obj = el_mapper.map(true, val, el_model) qs << sub_obj
end
obj.set_loaded_value(k, qs)
else
sub_obj = el.model.mapper.map(true, v, el.model)
obj.set_loaded_value(k, sub_obj)
end
end
obj
end
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#obj_to_hash(obj, options = {}) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 129
def obj_to_hash(obj, options={})
h = {}
if obj.class == QuerySet
res = obj.map{ |obj| obj_to_hash(obj) }
if options[:embed_key]
h = {}
res.each do |val|
h[val[options[:embed_key].to_s]] = val
end
return h
end
return res
end
document_elements(obj).each do |el|
next if el.primary_key?
name = el.name
next if options[:skip] && options[:skip].include?(el.name)
val = obj.get(el)
sub_options = {}
hval = if el.model? && val
if embed?(el, val)
if el.multiple?
if el.attributes[:embed_key]
el_h = {}
val.each do |row|
el_h[row.get(el.attributes[:embed_key])] = row.mapper.obj_to_hash(row, sub_options)
end
el_h
else
h_mapper = val[0] && val[0].mapper.respond_to?(:obj_to_hash) ? val[0].mapper : self
val.map{ |row| h_mapper.obj_to_hash(row, sub_options) }
end
else
sub_mapper = val.mapper.respond_to?(:obj_to_hash) ? val.mapper : self
sub_mapper.obj_to_hash(val, sub_options)
end
else
val.keys_string
end
else
map_save_value(el.type, val)
end
h[name] = hval
end
assign_pk(obj)
h["_id"] = obj.keys_string
h
end
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#save_extended_models(obj, mode) ⇒ Object
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 279
def save_extended_models(obj, mode)
return
end
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#someone_have_references?(element) ⇒ Boolean
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# File 'lib/spiderfw/model/mappers/document_mapper.rb', line 189
def someone_have_references?(element)
element = @model.elements[element] unless element.is_a?(Element)
if (element.integrated?)
return element.model.someone_have_references?(element.attributes[:integrated_from_element])
end
return have_references?(element)
end
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