Class: Pinterest::Collection
- Inherits:
-
Object
- Object
- Pinterest::Collection
- Defined in:
- lib/pinterest/collection.rb
Overview
A collection of objects, including pagination data.
Instance Attribute Summary collapse
-
#current_cursor ⇒ String
The cursor to obtain the current page of results.
-
#limit ⇒ Fixnum
The maximum number of results to get from Pinterest API.
-
#next_cursor ⇒ String
The cursor to obtain the next page of results.
-
#records ⇒ Pinterest::Entity
A list of objects.
Instance Method Summary collapse
-
#[](index) ⇒ Object
Returns a object from the collection.
-
#as_json(options = {}) ⇒ Hash
Serialize the collection as a Hash that can be serialized as JSON.
-
#current_page ⇒ String
Returns the current page cursor.
-
#empty? ⇒ Boolean
Checks if the collection is empty.
-
#initialize(raw_data, cursor, limit, &record_creator) ⇒ Collection
constructor
Creates a new collection.
-
#next? ⇒ Boolean
(also: #next_page?, #eof?)
Checks if the collection has a next page.
-
#next_page ⇒ String
Returns the next page cursor.
-
#size ⇒ Fixnum
(also: #count, #length)
Returns the size of the collection.
Constructor Details
#initialize(raw_data, cursor, limit, &record_creator) ⇒ Collection
Creates a new collection. This class is for internal use.
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# File 'lib/pinterest/collection.rb', line 26 def initialize(raw_data, cursor, limit, &record_creator) raise(ArgumentError, "raw_data must be an Hash.") unless raw_data.is_a?(Hash) record_creator ||= ->(record) { record } @limit = limit @current_cursor = cursor @next_cursor = raw_data["page"]["cursor"] if raw_data["page"] && raw_data["page"]["cursor"] @records = raw_data.fetch("data", []).map(&record_creator) end |
Instance Attribute Details
#current_cursor ⇒ String
Returns The cursor to obtain the current page of results.
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# File 'lib/pinterest/collection.rb', line 17 class Collection attr_reader :records, :limit, :current_cursor, :next_cursor # Creates a new collection. This class is for internal use. # # @param raw_data [Hash] A raw response obtained by Pinterest API. # @param cursor [String] The current cursor. # @param limit [Fixnum] The maximum number of records to obtain from Pinterest API. # @param record_creator [Proc] The code to trasform each raw record in a object. def initialize(raw_data, cursor, limit, &record_creator) raise(ArgumentError, "raw_data must be an Hash.") unless raw_data.is_a?(Hash) record_creator ||= ->(record) { record } @limit = limit @current_cursor = cursor @next_cursor = raw_data["page"]["cursor"] if raw_data["page"] && raw_data["page"]["cursor"] @records = raw_data.fetch("data", []).map(&record_creator) end # Returns a object from the collection. # # @param index [Fixnum] The index to get. def [](index) records[index] end # Returns the size of the collection. # # @return [Fixnum] The size of the collection. def size records.count end alias_method :count, :size alias_method :length, :size # Returns the current page cursor. # # @return [String] The current page cursor. def current_page current_cursor end # Returns the next page cursor. # # @return [String] The next page cursor. def next_page next_cursor end # Checks if the collection is empty. # # @return [Boolean] `true` if the collection is empty, `false` otherwise. def empty? records.empty? end # Checks if the collection has a next page. # # @return [Boolean] `true` if the collection has a next page, `false` otherwise. def next? !next_cursor.nil? end alias_method :next_page?, :next? alias_method :eof?, :next? # Serialize the collection as a Hash that can be serialized as JSON. # # @param options [Hash] The options to use to serialize. # @return [Hash] The serialized collection. def as_json( = {}) { records: records.as_json(), limit: limit, current_cursor: current_cursor, next_cursor: next_cursor } end end |
#limit ⇒ Fixnum
Returns The maximum number of results to get from Pinterest API.
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# File 'lib/pinterest/collection.rb', line 17 class Collection attr_reader :records, :limit, :current_cursor, :next_cursor # Creates a new collection. This class is for internal use. # # @param raw_data [Hash] A raw response obtained by Pinterest API. # @param cursor [String] The current cursor. # @param limit [Fixnum] The maximum number of records to obtain from Pinterest API. # @param record_creator [Proc] The code to trasform each raw record in a object. def initialize(raw_data, cursor, limit, &record_creator) raise(ArgumentError, "raw_data must be an Hash.") unless raw_data.is_a?(Hash) record_creator ||= ->(record) { record } @limit = limit @current_cursor = cursor @next_cursor = raw_data["page"]["cursor"] if raw_data["page"] && raw_data["page"]["cursor"] @records = raw_data.fetch("data", []).map(&record_creator) end # Returns a object from the collection. # # @param index [Fixnum] The index to get. def [](index) records[index] end # Returns the size of the collection. # # @return [Fixnum] The size of the collection. def size records.count end alias_method :count, :size alias_method :length, :size # Returns the current page cursor. # # @return [String] The current page cursor. def current_page current_cursor end # Returns the next page cursor. # # @return [String] The next page cursor. def next_page next_cursor end # Checks if the collection is empty. # # @return [Boolean] `true` if the collection is empty, `false` otherwise. def empty? records.empty? end # Checks if the collection has a next page. # # @return [Boolean] `true` if the collection has a next page, `false` otherwise. def next? !next_cursor.nil? end alias_method :next_page?, :next? alias_method :eof?, :next? # Serialize the collection as a Hash that can be serialized as JSON. # # @param options [Hash] The options to use to serialize. # @return [Hash] The serialized collection. def as_json( = {}) { records: records.as_json(), limit: limit, current_cursor: current_cursor, next_cursor: next_cursor } end end |
#next_cursor ⇒ String
Returns The cursor to obtain the next page of results.
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# File 'lib/pinterest/collection.rb', line 17 class Collection attr_reader :records, :limit, :current_cursor, :next_cursor # Creates a new collection. This class is for internal use. # # @param raw_data [Hash] A raw response obtained by Pinterest API. # @param cursor [String] The current cursor. # @param limit [Fixnum] The maximum number of records to obtain from Pinterest API. # @param record_creator [Proc] The code to trasform each raw record in a object. def initialize(raw_data, cursor, limit, &record_creator) raise(ArgumentError, "raw_data must be an Hash.") unless raw_data.is_a?(Hash) record_creator ||= ->(record) { record } @limit = limit @current_cursor = cursor @next_cursor = raw_data["page"]["cursor"] if raw_data["page"] && raw_data["page"]["cursor"] @records = raw_data.fetch("data", []).map(&record_creator) end # Returns a object from the collection. # # @param index [Fixnum] The index to get. def [](index) records[index] end # Returns the size of the collection. # # @return [Fixnum] The size of the collection. def size records.count end alias_method :count, :size alias_method :length, :size # Returns the current page cursor. # # @return [String] The current page cursor. def current_page current_cursor end # Returns the next page cursor. # # @return [String] The next page cursor. def next_page next_cursor end # Checks if the collection is empty. # # @return [Boolean] `true` if the collection is empty, `false` otherwise. def empty? records.empty? end # Checks if the collection has a next page. # # @return [Boolean] `true` if the collection has a next page, `false` otherwise. def next? !next_cursor.nil? end alias_method :next_page?, :next? alias_method :eof?, :next? # Serialize the collection as a Hash that can be serialized as JSON. # # @param options [Hash] The options to use to serialize. # @return [Hash] The serialized collection. def as_json( = {}) { records: records.as_json(), limit: limit, current_cursor: current_cursor, next_cursor: next_cursor } end end |
#records ⇒ Pinterest::Entity
Returns A list of objects.
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# File 'lib/pinterest/collection.rb', line 17 class Collection attr_reader :records, :limit, :current_cursor, :next_cursor # Creates a new collection. This class is for internal use. # # @param raw_data [Hash] A raw response obtained by Pinterest API. # @param cursor [String] The current cursor. # @param limit [Fixnum] The maximum number of records to obtain from Pinterest API. # @param record_creator [Proc] The code to trasform each raw record in a object. def initialize(raw_data, cursor, limit, &record_creator) raise(ArgumentError, "raw_data must be an Hash.") unless raw_data.is_a?(Hash) record_creator ||= ->(record) { record } @limit = limit @current_cursor = cursor @next_cursor = raw_data["page"]["cursor"] if raw_data["page"] && raw_data["page"]["cursor"] @records = raw_data.fetch("data", []).map(&record_creator) end # Returns a object from the collection. # # @param index [Fixnum] The index to get. def [](index) records[index] end # Returns the size of the collection. # # @return [Fixnum] The size of the collection. def size records.count end alias_method :count, :size alias_method :length, :size # Returns the current page cursor. # # @return [String] The current page cursor. def current_page current_cursor end # Returns the next page cursor. # # @return [String] The next page cursor. def next_page next_cursor end # Checks if the collection is empty. # # @return [Boolean] `true` if the collection is empty, `false` otherwise. def empty? records.empty? end # Checks if the collection has a next page. # # @return [Boolean] `true` if the collection has a next page, `false` otherwise. def next? !next_cursor.nil? end alias_method :next_page?, :next? alias_method :eof?, :next? # Serialize the collection as a Hash that can be serialized as JSON. # # @param options [Hash] The options to use to serialize. # @return [Hash] The serialized collection. def as_json( = {}) { records: records.as_json(), limit: limit, current_cursor: current_cursor, next_cursor: next_cursor } end end |
Instance Method Details
#[](index) ⇒ Object
Returns a object from the collection.
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# File 'lib/pinterest/collection.rb', line 39 def [](index) records[index] end |
#as_json(options = {}) ⇒ Hash
Serialize the collection as a Hash that can be serialized as JSON.
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# File 'lib/pinterest/collection.rb', line 88 def as_json( = {}) { records: records.as_json(), limit: limit, current_cursor: current_cursor, next_cursor: next_cursor } end |
#current_page ⇒ String
Returns the current page cursor.
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# File 'lib/pinterest/collection.rb', line 56 def current_page current_cursor end |
#empty? ⇒ Boolean
Checks if the collection is empty.
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# File 'lib/pinterest/collection.rb', line 70 def empty? records.empty? end |
#next? ⇒ Boolean Also known as: next_page?, eof?
Checks if the collection has a next page.
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# File 'lib/pinterest/collection.rb', line 77 def next? !next_cursor.nil? end |
#next_page ⇒ String
Returns the next page cursor.
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# File 'lib/pinterest/collection.rb', line 63 def next_page next_cursor end |
#size ⇒ Fixnum Also known as: count, length
Returns the size of the collection.
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# File 'lib/pinterest/collection.rb', line 46 def size records.count end |