Initial commit

lib/ex_data_gov_u_a/package/meta/base.ex

@@ -0,0 +1,33 @@
+defmodule ExDataGovUA.Package.Meta.Base do
+  defstruct [
+    :profile,
+    :name,
+    :contributors,
+    :created,
+    :title,
+    :keywords,
+    :version,
+    :licenses,
+    :homepage,
+    :id,
+    :resources,
+    :description
+  ]
+
+  @type t :: %__MODULE__{
+    profile: String.t(),
+    name: String.t(),
+    contributors: List.t(),
+    created: String.t(),
+    title: String.t(),
+    keywords: List.t(),
+    version: String.t(),
+    licenses: List.t(),
+    homepage: String.t(),
+    id: String.t(),
+    resources: List.t(),
+    description: String.t()
+  }
+
+  use ExConstructor
+end

lib/ex_data_gov_u_a/package/meta/parser.ex

@@ -0,0 +1,30 @@
+defmodule ExDataGovUA.Package.Meta.Parser do
+  @default_fetcher Application.get_env(:ex_datagovua, :default_fetcher)
+  @default_decoder Application.get_env(:ex_datagovua, :default_decoder)
+
+  @type result :: %ExDataGovUA.Package.Meta.Base{}
+  @type id :: String.t()
+  @type url :: String.t()
+  @type fetcher :: Atom.t()
+  @type decoder :: Atom.t()
+
+  @doc """
+  Return meta information URL by data package ID
+  """
+  @spec url(id) :: url
+  def url(id) do
+    "https://data.gov.ua/api/3/action/package_show?id=#{id}"
+  end
+
+  @doc """
+  Return meta information (ExDataGovUA.Package.Meta.Base) by data package ID
+  """
+  @spec parse(id, fetcher, decoder) :: %ExDataGovUA.Package.Meta.Base{}
+  def parse(id, fetcher \\ @default_fetcher, decoder \\ @default_decoder) do
+    with {:ok, body} <- fetcher.fetch(:get, url(id)),
+         {:ok, map} <- decoder.decode(body),
+         result <- ExDataGovUA.Package.Meta.Base.new(map.result) do
+      result
+    end
+  end
+end