data = { # --- Rules --- "id" => 236, # Integer > 0 "type" => 1, # Integer, possible values are : 1, 2 or 3 "price" => 32.10, # Float > 0 "name" => "my item" # String with: 5 >= size <= 15 "active" => true # Boolean } class ItemValidator < Saphyr::Validator field :id, :integer, gt: 0 field :type, :integer, in: [1, 2, 3] # Field name can be a field "price", :float, gt: 0 # Symbol or a String field "name", :string, min: 5, max: 15 field :active, :boolean end

v = ItemValidator.new if v.validate data puts "Validation : SUCCESS", "\n" else puts "Validation : FAILED", "\n" Saphyr::Helpers::Format.errors_to_text v.errors end # Or use: v.parse_and_validate json

data = { # --- Rules --- "id" => 236, # Integer > 0 "name" => "my item", # String with: 5 >= size <= 15 "uploads" => [ # This array can only have 2 or 3 elements { "id" => 34, # Interger > 0 "name" => "orig.gif", # String, with: 7 <= size <= 15 "mime" => "image/gif", # String, possible values: ['image/jpeg', 'image/png', 'image/gif'] "size" => 753745, # Integer > 0 "timestamps" => { "created_at" => 1665241021, # Integer > 0 (unix timestamp) "modified_at" => 1665241021 # Integer > 0 (unix timestamp) } }, { "id" => 376, "name" => "medium.jpg", "mime" => "image/png", "size" => 8946653, "timestamps" => { "created_at" => 1669215446, "modified_at" => 1670943462 } } ], "timestamps" => { "created_at" => 1669215446, "modified_at" => 1670943462 }, "active" => true, } class ItemValidator < Saphyr::Validator schema :timestamp do field :created_at, :integer, gt: 0 field :modified_at, :integer, gt: 0 end schema :upload do field :id, :integer, gt: 0 field :name, :string, min: 7, max: 15 field :mime, :string, in: ['image/jpeg', 'image/png', 'image/gif'] field :size, :integer, gt: 0 field :timestamps, :schema, name: :timestamp end field :id, :integer, gt: 0 field :name, :string, min: 7, max: 15 field :uploads, :array, min: 2, max: 3, of_schema: :upload field :timestamps, :schema, name: :timestamp field :active, :boolean, eq: true end

data = { # --- Rules --- "id" => 236 # Integer > 0 # field 'active' is missing } class ItemValidator < Saphyr::Validator field :id, :integer, gt: 0 field :active, :boolean, default: true end

v = ItemValidator.new v.validate data # Will success

data = { "id" => 236, "active" => true }

data = ['fr', 'en', 'es'] class ItemValidator < Saphyr::Validator root :array field :_root_, :array, min: 2, max: 5, of_type: :string, opts: {len: 2} end

data = [ { "id" => 12, "label" => "tag1" }, { "id" => 15, "label" => "tag2" }, ] class ItemValidator < Saphyr::Validator root :array schema :tag do field :id, :integer, gt: 0 field :label, :string, min: 2, max: 30 end field :_root_, :array, min: 2, max: 4, of_schema: :tag end

data_1 = { "id" => 145, "type" => "file", "name" => "Lipsum ...", # Condtionals fields: "mime" => "image/png", # must be defined only if type == 'file' } data_2 = { "id" => 145, "type" => "post", "content" => "Lipsum ...", # Condtionals fields: "author" => "Lipsum ...", # must be defined only if type == 'post' }

class ItemValidator < Saphyr::Validator field :id, :integer, gt: 0 field :type, :string, in: ['post', 'file'] # Using a method call conditional :is_file? do # Will call 'is_file?' method to check the conddtion field :name, :string, min: 2 field :mime, :string, in: ['image/png', 'image/jpg'] end # Using a lambda conditional -> { get(:type) == 'post' } do field :content, :string field :author, :string end private def is_file? # Must return: true | false get(:type) == 'file' end end

data = { "id" => 1, "name" => "Lipsum ...", "created_at" => "2023-10-26 10:57:05.29685 +0200", # Cast to unix timestamp "active" => "Yes", # Cast to Boolean }

class ItemValidator < Saphyr::Validator # Using a method call cast :created_at, :cast_created_at # Using a lambda cast :active, -> (value) { return true if ['yes', 'y'].include? value.downcase return false if ['no', 'n'].include? value.downcase value # Unknown value, returning it back } # ----- field :id, :integer, gt: 0 field :name, :string, min: 5 field :created_at, :integer, gt: 0 field :active, :boolean private def cast_created_at(value) begin return DateTime.parse(value).to_time.to_i end value end end

Saphyr.register do schema :timestamp do field :created_at, :integer, gt: 0 field :modified_at, :integer, gt: 0 end end class ItemValidator < Saphyr::Validator # .... field :timestamps, :schema, name: :timestamp end class PostValidator < Saphyr::Validator # .... field "timestamps", :schema, name: :timestamp end