Class: RedisOrm::Base
- Inherits:
-
Object
- Object
- RedisOrm::Base
- Extended by:
- Associations::BelongsTo, Associations::HasMany, Associations::HasOne
- Includes:
- ActiveModel::Validations, ActiveModelBehavior, Associations::HasManyHelper, Utils
- Defined in:
- lib/redis_orm/redis_orm.rb
Constant Summary collapse
- @@properties =
Hash.new{|h,k| h[k] = []}
- @@indices =
compound indices are available too
Hash.new{|h,k| h[k] = []}
- @@associations =
Hash.new{|h,k| h[k] = []}
- @@callbacks =
Hash.new{|h,k| h[k] = {}}
- @@use_uuid_as_id =
{}
- @@descendants =
[]
Instance Attribute Summary collapse
-
#persisted ⇒ Object
Returns the value of attribute persisted.
Class Method Summary collapse
- .after_create(callback) ⇒ Object
- .after_destroy(callback) ⇒ Object
- .after_save(callback) ⇒ Object
-
.all(options = {}) ⇒ Object
TODO refactor this messy function.
- .before_create(callback) ⇒ Object
- .before_destroy(callback) ⇒ Object
- .before_save(callback) ⇒ Object
- .construct_prepared_index(index, conditions_hash) ⇒ Object
- .count ⇒ Object
- .create(options = {}) ⇒ Object (also: create!)
- .descendants ⇒ Object
- .find(*args) ⇒ Object
- .find!(*args) ⇒ Object
- .find_indices(properties, options = {}) ⇒ Object
- .first(options = {}) ⇒ Object
-
.index(name, options = {}) ⇒ Object
options currently supports unique Boolean case_insensitive Boolean.
- .inherited(from) ⇒ Object
- .last(options = {}) ⇒ Object
-
.method_missing(method_name, *args, &block) ⇒ Object
dynamic finders.
- .property(property_name, class_name, options = {}) ⇒ Object
- .timestamps ⇒ Object
- .use_uuid_as_id ⇒ Object
Instance Method Summary collapse
- #==(other) ⇒ Object
- #destroy ⇒ Object
- #find_position_to_insert(sortable_key, value) ⇒ Object
-
#get_associations ⇒ Object
is called from RedisOrm::Associations::HasMany to save backlinks to saved records.
-
#get_indices ⇒ Object
is called from RedisOrm::Associations::HasMany to correctly save indices for associated records.
- #get_next_id ⇒ Object
- #id ⇒ Object (also: #to_key)
-
#initialize(attributes = {}, id = nil, persisted = false) ⇒ Base
constructor
A new instance of Base.
- #persisted? ⇒ Boolean
- #save ⇒ Object
-
#to_a ⇒ Object
could be invoked from has_many module (<< method).
- #to_s ⇒ Object
- #update_attribute(attribute_name, attribute_value) ⇒ Object
- #update_attributes(attributes) ⇒ Object
Methods included from Associations::BelongsTo
Methods included from Associations::HasMany
Methods included from Associations::HasOne
Methods included from Utils
Methods included from ActiveModelBehavior
Constructor Details
#initialize(attributes = {}, id = nil, persisted = false) ⇒ Base
Returns a new instance of Base.
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# File 'lib/redis_orm/redis_orm.rb', line 425 def initialize(attributes = {}, id = nil, persisted = false) @persisted = persisted # if this model uses uuid then id is a string otherwise it should be casted to Integer class id = @@use_uuid_as_id[model_name] ? id : id.to_i instance_variable_set(:"@id", id) if id # when object is created with empty attribute set @#{prop[:name]}_changes array properly @@properties[model_name].each do |prop| if prop[:options][:default] instance_variable_set :"@#{prop[:name]}_changes", [prop[:options][:default]] else instance_variable_set :"@#{prop[:name]}_changes", [] end end if attributes.is_a?(Hash) && !attributes.empty? attributes.each do |key, value| self.send("#{key}=".to_sym, value) if self.respond_to?("#{key}=".to_sym) end end self end |
Instance Attribute Details
#persisted ⇒ Object
Returns the value of attribute persisted.
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# File 'lib/redis_orm/redis_orm.rb', line 42 def persisted @persisted end |
Class Method Details
.after_create(callback) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 333 def after_create(callback) @@callbacks[model_name][:after_create] << callback end |
.after_destroy(callback) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 341 def after_destroy(callback) @@callbacks[model_name][:after_destroy] << callback end |
.after_save(callback) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 325 def after_save(callback) @@callbacks[model_name][:after_save] << callback end |
.all(options = {}) ⇒ Object
TODO refactor this messy function
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# File 'lib/redis_orm/redis_orm.rb', line 191 def all( = {}) limit = if [:limit] && [:offset] [[:offset].to_i, [:limit].to_i] elsif [:limit] [0, [:limit].to_i] else [0, -1] end order_max_limit = Time.now.to_f ids_key = "#{model_name}:ids" index = nil prepared_index = if ![:conditions].blank? && [:conditions].is_a?(Hash) properties = [:conditions].collect{|key, value| key} index = find_indices(properties, :first => true) raise NotIndexFound if !index construct_prepared_index(index, [:conditions]) else if [:order] && [:order].is_a?(Array) model_name else ids_key end end order_by_property_is_string = false # if not array => created_at native order (in which ids were pushed to "#{model_name}:ids" set by default) direction = if ![:order].blank? property = {} dir = if [:order].is_a?(Array) property = @@properties[model_name].detect{|prop| prop[:name].to_s == [:order].first.to_s} # for String values max limit for search key could be 1.0, but for Numeric values there's actually no limit order_max_limit = 100_000_000_000 ids_key = "#{prepared_index}:#{[:order].first}_ids" [:order].size == 2 ? [:order].last : 'asc' else property = @@properties[model_name].detect{|prop| prop[:name].to_s == [:order].to_s} ids_key = prepared_index [:order] end if property && property[:class].eql?("String") && property[:options][:sortable] order_by_property_is_string = true end dir else ids_key = prepared_index 'asc' end if order_by_property_is_string if direction.to_s == 'desc' ids_length = $redis.llen(ids_key) limit = if [:offset] && [:limit] [(ids_length - [:offset].to_i - [:limit].to_i), (ids_length - [:offset].to_i - 1)] elsif [:limit] [ids_length - [:limit].to_i, ids_length] elsif [:offset] [0, (ids_length - [:offset].to_i - 1)] else [0, -1] end $redis.lrange(ids_key, *limit).reverse.compact.collect{|id| find(id.split(':').last)} else limit = if [:offset] && [:limit] [[:offset].to_i, ([:offset].to_i + [:limit].to_i)] elsif [:limit] [0, [:limit].to_i - 1] elsif [:offset] [[:offset].to_i, -1] else [0, -1] end $redis.lrange(ids_key, *limit).compact.collect{|id| find(id.split(':').last)} end else if index && index[:options][:unique] id = $redis.get prepared_index model_name.to_s.camelize.constantize.find(id) else if direction.to_s == 'desc' $redis.zrevrangebyscore(ids_key, order_max_limit, 0, :limit => limit).compact.collect{|id| find(id)} else $redis.zrangebyscore(ids_key, 0, order_max_limit, :limit => limit).compact.collect{|id| find(id)} end end end end |
.before_create(callback) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 337 def before_create(callback) @@callbacks[model_name][:before_create] << callback end |
.before_destroy(callback) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 345 def before_destroy(callback) @@callbacks[model_name][:before_destroy] << callback end |
.before_save(callback) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 329 def before_save(callback) @@callbacks[model_name][:before_save] << callback end |
.construct_prepared_index(index, conditions_hash) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 171 def construct_prepared_index(index, conditions_hash) prepared_index = model_name.to_s # in order not to depend on order of keys in *:conditions* hash we rather interate over the index itself and find corresponding values in *:conditions* hash if index[:name].is_a?(Array) index[:name].each do |key| # raise if User.find_by_firstname_and_castname => there's no *castname* in User's properties raise ArgumentsMismatch if !@@properties[model_name].detect{|p| p[:name] == key.to_sym} prepared_index += ":#{key}:#{conditions_hash[key]}" end else prepared_index += ":#{index[:name]}:#{conditions_hash[index[:name]]}" end prepared_index.downcase! if index[:options][:case_insensitive] prepared_index end |
.count ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 135 def count $redis.zcard("#{model_name}:ids").to_i end |
.create(options = {}) ⇒ Object Also known as: create!
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# File 'lib/redis_orm/redis_orm.rb', line 349 def create( = {}) obj = new(, nil, false) obj.save # make possible binding related models while creating class instance .each do |k, v| if @@associations[model_name].detect{|h| h[:foreign_model] == k || h[:options][:as] == k} obj.send("#{k}=", v) end end obj end |
.descendants ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 61 def descendants @@descendants end |
.find(*args) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 283 def find(*args) if args.first.is_a?(Array) return [] if args.first.empty? args.first.inject([]) do |array, id| record = $redis.hgetall "#{model_name}:#{id}" if record && !record.empty? array << new(record, id, true) end end else return nil if args.empty? || args.first.nil? case first = args.shift when :all = args.last = {} if !.is_a?(Hash) all() when :first = args.last = {} if !.is_a?(Hash) all(.merge({:limit => 1}))[0] when :last = args.last = {} if !.is_a?(Hash) reversed = [:order] == 'desc' ? 'asc' : 'desc' all(.merge({:limit => 1, :order => reversed}))[0] else id = first record = $redis.hgetall "#{model_name}:#{id}" record && record.empty? ? nil : new(record, id, true) end end end |
.find!(*args) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 316 def find!(*args) result = find(*args) if result.nil? raise RecordNotFound else result end end |
.find_indices(properties, options = {}) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 157 def find_indices(properties, = {}) properties.map!{|p| p.to_sym} method = [:first] ? :detect : :select @@indices[model_name].send(method) do |models_index| if models_index[:name].is_a?(Array) && models_index[:name].size == properties.size # check the elements not taking into account their order (models_index[:name] & properties).size == properties.size elsif !models_index[:name].is_a?(Array) && properties.size == 1 models_index[:name] == properties[0] end end end |
.first(options = {}) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 139 def first( = {}) if .empty? id = $redis.zrangebyscore("#{model_name}:ids", 0, Time.now.to_f, :limit => [0, 1]) id.empty? ? nil : find(id[0]) else find(:first, ) end end |
.index(name, options = {}) ⇒ Object
options currently supports
*unique* Boolean
*case_insensitive* Boolean
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# File 'lib/redis_orm/redis_orm.rb', line 68 def index(name, = {}) @@indices[model_name] << {:name => name, :options => } end |
.inherited(from) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 53 def inherited(from) [:after_save, :before_save, :after_create, :before_create, :after_destroy, :before_destroy].each do |callback_name| @@callbacks[from.model_name][callback_name] = [] end @@descendants << from end |
.last(options = {}) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 148 def last( = {}) if .empty? id = $redis.zrevrangebyscore("#{model_name}:ids", Time.now.to_f, 0, :limit => [0, 1]) id.empty? ? nil : find(id[0]) else find(:last, ) end end |
.method_missing(method_name, *args, &block) ⇒ Object
dynamic finders
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# File 'lib/redis_orm/redis_orm.rb', line 366 def method_missing(method_name, *args, &block) if method_name =~ /^find_(all_)?by_(\w*)/ index = if $2 properties = $2.split('_and_') raise ArgumentsMismatch if properties.size != args.size properties_hash = {} properties.each_with_index do |prop, i| properties_hash.merge!({prop.to_sym => args[i]}) end find_indices(properties, :first => true) end raise NotIndexFound if !index prepared_index = construct_prepared_index(index, properties_hash) if method_name =~ /^find_by_(\w*)/ id = if index[:options][:unique] $redis.get prepared_index else $redis.zrangebyscore(prepared_index, 0, Time.now.to_f, :limit => [0, 1])[0] end model_name.to_s.camelize.constantize.find(id) elsif method_name =~ /^find_all_by_(\w*)/ records = [] if index[:options][:unique] id = $redis.get prepared_index records << model_name.to_s.camelize.constantize.find(id) else ids = $redis.zrangebyscore(prepared_index, 0, Time.now.to_f) records += model_name.to_s.camelize.constantize.find(ids) end records else nil end end end |
.property(property_name, class_name, options = {}) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 72 def property(property_name, class_name, = {}) @@properties[model_name] << {:name => property_name, :class => class_name.to_s, :options => } send(:define_method, property_name) do value = instance_variable_get(:"@#{property_name}") return value if value.nil? # we must return nil here so :default option will work when saving, otherwise it'll return "" or 0 or 0.0 if Time == class_name value = begin value.to_s.to_time(:local) rescue ArgumentError => e nil end elsif Integer == class_name value = value.to_i elsif Float == class_name value = value.to_f elsif RedisOrm::Boolean == class_name value = ((value == "false" || value == false) ? false : true) end value end send(:define_method, "#{property_name}=".to_sym) do |value| if instance_variable_get(:"@#{property_name}_changes") && !instance_variable_get(:"@#{property_name}_changes").empty? initial_value = instance_variable_get(:"@#{property_name}_changes")[0] instance_variable_set(:"@#{property_name}_changes", [initial_value, value]) elsif instance_variable_get(:"@#{property_name}") instance_variable_set(:"@#{property_name}_changes", [self.send(property_name), value]) else instance_variable_set(:"@#{property_name}_changes", [value]) end instance_variable_set(:"@#{property_name}", value) end send(:define_method, "#{property_name}_changes".to_sym) do instance_variable_get(:"@#{property_name}_changes") end send(:define_method, "#{property_name}_changed?".to_sym) do instance_variable_get(:"@#{property_name}_changes").size > 1 end end |
.timestamps ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 118 def #if !@@properties[model_name].detect{|p| p[:name] == :created_at && p[:class] == "Time"} if !instance_methods.include?(:created_at) && !instance_methods.include?(:"created_at=") property :created_at, Time end #if !@@properties[model_name].detect{|p| p[:name] == :modified_at && p[:class] == "Time"} if !instance_methods.include?(:modified_at) && !instance_methods.include?(:"modified_at=") property :modified_at, Time end end |
.use_uuid_as_id ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 130 def use_uuid_as_id @@use_uuid_as_id[model_name] = true @@uuid = UUID.new end |
Instance Method Details
#==(other) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 468 def ==(other) raise "this object could be comparable only with object of the same class" if other.class != self.class same = true @@properties[model_name].each do |prop| self_var = instance_variable_get(:"@#{prop[:name]}") same = false if other.send(prop[:name]).to_s != self_var.to_s end same = false if self.id != other.id same end |
#destroy ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 726 def destroy @@callbacks[model_name][:before_destroy].each do |callback| self.send(callback) end @@properties[model_name].each do |prop| property_value = instance_variable_get(:"@#{prop[:name]}").to_s $redis.hdel("#{model_name}:#{@id}", prop[:name].to_s) if prop[:options][:sortable] if prop[:class].eql?("String") $redis.lrem "#{model_name}:#{prop[:name]}_ids", 1, "#{property_value}:#{@id}" else $redis.zrem "#{model_name}:#{prop[:name]}_ids", @id end end end $redis.zrem "#{model_name}:ids", @id # also we need to delete *indices* of associated records if !@@associations[model_name].empty? @@associations[model_name].each do |assoc| if :belongs_to == assoc[:type] # if assoc has :as option foreign_model_name = assoc[:options][:as] ? assoc[:options][:as].to_sym : assoc[:foreign_model].to_sym if !self.send(foreign_model_name).nil? @@indices[model_name].each do |index| keys_to_delete = if index[:name].is_a?(Array) full_index = index[:name].inject([]){|sum, index_part| sum << index_part}.join(':') $redis.keys "#{foreign_model_name}:#{self.send(foreign_model_name).id}:#{model_name.to_s.pluralize}:#{full_index}:*" else ["#{foreign_model_name}:#{self.send(foreign_model_name).id}:#{model_name.to_s.pluralize}:#{index[:name]}:#{self.send(index[:name])}"] end keys_to_delete.each do |key| index[:options][:unique] ? $redis.del(key) : $redis.zrem(key, @id) end end end end end end # also we need to delete *links* to associated records if !@@associations[model_name].empty? @@associations[model_name].each do |assoc| foreign_model = "" records = [] case assoc[:type] when :belongs_to foreign_model = assoc[:foreign_model].to_s foreign_model_name = assoc[:options][:as] ? assoc[:options][:as] : assoc[:foreign_model] if assoc[:options][:polymorphic] records << self.send(foreign_model_name) # get real foreign_model's name in order to delete backlinks properly foreign_model = $redis.get("#{model_name}:#{id}:#{foreign_model_name}_type") $redis.del("#{model_name}:#{id}:#{foreign_model_name}_type") $redis.del("#{model_name}:#{id}:#{foreign_model_name}_id") else records << self.send(foreign_model_name) $redis.del "#{model_name}:#{@id}:#{assoc[:foreign_model]}" end when :has_one foreign_model = assoc[:foreign_model].to_s foreign_model_name = assoc[:options][:as] ? assoc[:options][:as] : assoc[:foreign_model] records << self.send(foreign_model_name) $redis.del "#{model_name}:#{@id}:#{assoc[:foreign_model]}" when :has_many foreign_model = assoc[:foreign_models].to_s.singularize foreign_models_name = assoc[:options][:as] ? assoc[:options][:as] : assoc[:foreign_models] records += self.send(foreign_models_name) # delete all members $redis.zremrangebyscore "#{model_name}:#{@id}:#{assoc[:foreign_models]}", 0, Time.now.to_f end # check whether foreign_model also has an assoc to the destroying record # and remove an id of destroing record from each of associated sets if !records.compact.empty? records.compact.each do |record| # we make 3 different checks rather then 1 with elsif to ensure that all associations will be processed # it's covered in test/option_test in "should delete link to associated record when record was deleted" scenario # for if class Album; has_one :photo, :as => :front_photo; has_many :photos; end # end some photo from the album will be deleted w/o these checks only first has_one will be triggered if @@associations[foreign_model].detect{|h| h[:type] == :belongs_to && h[:foreign_model] == model_name.to_sym} $redis.del "#{foreign_model}:#{record.id}:#{model_name}" end if @@associations[foreign_model].detect{|h| h[:type] == :has_one && h[:foreign_model] == model_name.to_sym} $redis.del "#{foreign_model}:#{record.id}:#{model_name}" end if @@associations[foreign_model].detect{|h| h[:type] == :has_many && h[:foreign_models] == model_name.pluralize.to_sym} $redis.zrem "#{foreign_model}:#{record.id}:#{model_name.pluralize}", @id end end end if assoc[:options][:dependent] == :destroy if !records.compact.empty? records.compact.each do |r| r.destroy end end end end end # remove all associated indices @@indices[model_name].each do |index| prepared_index = construct_prepared_index(index) # instance method not class one! if index[:options][:unique] $redis.del(prepared_index) else $redis.zremrangebyscore(prepared_index, 0, Time.now.to_f) end end @@callbacks[model_name][:after_destroy].each do |callback| self.send(callback) end true # if there were no errors just return true, so *if* conditions would work end |
#find_position_to_insert(sortable_key, value) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 671 def find_position_to_insert(sortable_key, value) end_index = $redis.llen(sortable_key) return 0 if end_index == 0 start_index = 0 pivot_index = end_index / 2 start_el = $redis.lindex(sortable_key, start_index) end_el = $redis.lindex(sortable_key, end_index - 1) pivot_el = $redis.lindex(sortable_key, pivot_index) while start_index != end_index # aa..ab..ac..bd <- ad if start_el.split(':').first > value # Michael > Abe return 0 elsif end_el.split(':').first < value # Abe < Todd return end_el elsif start_el.split(':').first == value # Abe == Abe return start_el elsif pivot_el.split(':').first == value # Todd == Todd return pivot_el elsif end_el.split(':').first == value return end_el elsif (start_el.split(':').first < value) && (pivot_el.split(':').first > value) start_index = start_index prev_pivot_index = pivot_index pivot_index = start_index + ((end_index - pivot_index) / 2) end_index = prev_pivot_index elsif (pivot_el.split(':').first < value) && (end_el.split(':').first > value) # M < V && Y > V start_index = pivot_index pivot_index = pivot_index + ((end_index - pivot_index) / 2) end_index = end_index end start_el = $redis.lindex(sortable_key, start_index) end_el = $redis.lindex(sortable_key, end_index - 1) pivot_el = $redis.lindex(sortable_key, pivot_index) end start_el end |
#get_associations ⇒ Object
is called from RedisOrm::Associations::HasMany to save backlinks to saved records
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# File 'lib/redis_orm/redis_orm.rb', line 416 def get_associations @@associations[self.model_name] end |
#get_indices ⇒ Object
is called from RedisOrm::Associations::HasMany to correctly save indices for associated records
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# File 'lib/redis_orm/redis_orm.rb', line 421 def get_indices @@indices[self.model_name] end |
#get_next_id ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 483 def get_next_id if @@use_uuid_as_id[model_name] @@uuid.generate(:compact) else $redis.incr("#{model_name}:id") end end |
#id ⇒ Object Also known as: to_key
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# File 'lib/redis_orm/redis_orm.rb', line 450 def id @id end |
#persisted? ⇒ Boolean
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# File 'lib/redis_orm/redis_orm.rb', line 479 def persisted? @persisted end |
#save ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 491 def save return false if !valid? # store here initial persisted flag so we could invoke :after_create callbacks in the end of the function was_persisted = persisted? if persisted? # then there might be old indices # check whether there's old indices exists and if yes - delete them @@properties[model_name].each do |prop| # if there were no changes for current property skip it (indices remains the same) next if ! self.send(:"#{prop[:name]}_changed?") prev_prop_value = instance_variable_get(:"@#{prop[:name]}_changes").first prop_value = instance_variable_get(:"@#{prop[:name]}") # TODO DRY in destroy also if prop[:options][:sortable] if prop[:class].eql?("String") $redis.lrem "#{model_name}:#{prop[:name]}_ids", 1, "#{prev_prop_value}:#{@id}" # remove id from every indexed property @@indices[model_name].each do |index| $redis.lrem "#{construct_prepared_index(index)}:#{prop[:name]}_ids", 1, "#{prop_value}:#{@id}" end else $redis.zrem "#{model_name}:#{prop[:name]}_ids", @id # remove id from every indexed property @@indices[model_name].each do |index| $redis.zrem "#{construct_prepared_index(index)}:#{prop[:name]}_ids", @id end end end indices = @@indices[model_name].inject([]) do |sum, models_index| if models_index[:name].is_a?(Array) if models_index[:name].include?(prop[:name]) sum << models_index else sum end else if models_index[:name] == prop[:name] sum << models_index else sum end end end if !indices.empty? indices.each do |index| if index[:name].is_a?(Array) keys_to_delete = if index[:name].index(prop) == 0 $redis.keys "#{model_name}:#{prop[:name]}#{prev_prop_value}*" else $redis.keys "#{model_name}:*#{prop[:name]}:#{prev_prop_value}*" end keys_to_delete.each{|key| $redis.del(key)} else key_to_delete = "#{model_name}:#{prop[:name]}:#{prev_prop_value}" $redis.del key_to_delete end # also we need to delete associated records *indices* if !@@associations[model_name].empty? @@associations[model_name].each do |assoc| if :belongs_to == assoc[:type] if !self.send(assoc[:foreign_model]).nil? if index[:name].is_a?(Array) keys_to_delete = if index[:name].index(prop) == 0 $redis.keys "#{assoc[:foreign_model]}:#{self.send(assoc[:foreign_model]).id}:#{model_name.to_s.pluralize}:#{prop[:name]}#{prev_prop_value}*" else $redis.keys "#{assoc[:foreign_model]}:#{self.send(assoc[:foreign_model]).id}:#{model_name.to_s.pluralize}:*#{prop[:name]}:#{prev_prop_value}*" end keys_to_delete.each{|key| $redis.del(key)} else beginning_of_the_key = "#{assoc[:foreign_model]}:#{self.send(assoc[:foreign_model]).id}:#{model_name.to_s.pluralize}:#{prop[:name]}:" $redis.del(beginning_of_the_key + prev_prop_value.to_s) index[:options][:unique] ? $redis.set((beginning_of_the_key + prop_value.to_s), @id) : $redis.zadd((beginning_of_the_key + prop_value.to_s), Time.now.to_f, @id) end end end end end # deleting associated records *indices* end end end else # !persisted? @@callbacks[model_name][:before_create].each do |callback| self.send(callback) end @id = get_next_id $redis.zadd "#{model_name}:ids", Time.now.to_f, @id @persisted = true self.created_at = Time.now if respond_to? :created_at end @@callbacks[model_name][:before_save].each do |callback| self.send(callback) end # automatically update *modified_at* property if it was defined self.modified_at = Time.now if respond_to? :modified_at @@properties[model_name].each do |prop| prop_value = self.send(prop[:name].to_sym) if prop_value.nil? && !prop[:options][:default].nil? prop_value = prop[:options][:default] # set instance variable in order to properly save indexes here self.instance_variable_set(:"@#{prop[:name]}", prop[:options][:default]) instance_variable_set :"@#{prop[:name]}_changes", [prop[:options][:default]] end $redis.hset("#{model_name}:#{id}", prop[:name].to_s, prop_value) # reducing @#{prop[:name]}_changes array to the last value prop_changes = instance_variable_get :"@#{prop[:name]}_changes" if prop_changes && prop_changes.size > 2 instance_variable_set :"@#{prop[:name]}_changes", [prop_changes.last] end # if some property need to be sortable add id of the record to the appropriate sorted set if prop[:options][:sortable] property_value = instance_variable_get(:"@#{prop[:name]}").to_s if prop[:class].eql?("String") sortable_key = "#{model_name}:#{prop[:name]}_ids" el_or_position_to_insert = find_position_to_insert(sortable_key, property_value) el_or_position_to_insert == 0 ? $redis.lpush(sortable_key, "#{property_value}:#{@id}") : $redis.linsert(sortable_key, "AFTER", el_or_position_to_insert, "#{property_value}:#{@id}") # add to every indexed property @@indices[model_name].each do |index| sortable_key = "#{construct_prepared_index(index)}:#{prop[:name]}_ids" el_or_position_to_insert == 0 ? $redis.lpush(sortable_key, "#{property_value}:#{@id}") : $redis.linsert(sortable_key, "AFTER", el_or_position_to_insert, "#{property_value}:#{@id}") end else score = case prop[:class] when "Integer"; property_value.to_f when "Float"; property_value.to_f when "RedisOrm::Boolean"; (property_value == true ? 1.0 : 0.0) when "Time"; property_value.to_f end $redis.zadd "#{model_name}:#{prop[:name]}_ids", score, @id # add to every indexed property @@indices[model_name].each do |index| $redis.zadd "#{construct_prepared_index(index)}:#{prop[:name]}_ids", score, @id end end end end # save new indices in order to sort by finders # city:name:Chicago => 1 @@indices[model_name].each do |index| prepared_index = construct_prepared_index(index) # instance method not class one! if index[:options][:unique] $redis.set(prepared_index, @id) else $redis.zadd(prepared_index, Time.now.to_f, @id) end end @@callbacks[model_name][:after_save].each do |callback| self.send(callback) end if ! was_persisted @@callbacks[model_name][:after_create].each do |callback| self.send(callback) end end true # if there were no errors just return true, so *if* conditions would work end |
#to_a ⇒ Object
could be invoked from has_many module (<< method)
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# File 'lib/redis_orm/redis_orm.rb', line 411 def to_a [self] end |
#to_s ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 456 def to_s inspected = "<#{model_name.capitalize} id: #{@id}, " inspected += @@properties[model_name].inject([]) do |sum, prop| property_value = instance_variable_get(:"@#{prop[:name]}") property_value = '"' + property_value.to_s + '"' if prop[:class].eql?("String") property_value = 'nil' if property_value.nil? sum << "#{prop[:name]}: " + property_value.to_s end.join(', ') inspected += ">" inspected end |
#update_attribute(attribute_name, attribute_value) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 721 def update_attribute(attribute_name, attribute_value) self.send("#{attribute_name}=".to_sym, attribute_value) if self.respond_to?("#{attribute_name}=".to_sym) save end |
#update_attributes(attributes) ⇒ Object
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# File 'lib/redis_orm/redis_orm.rb', line 712 def update_attributes(attributes) if attributes.is_a?(Hash) attributes.each do |key, value| self.send("#{key}=".to_sym, value) if self.respond_to?("#{key}=".to_sym) end end save end |