Subiendo api v2

deps/ecto/lib/mix/tasks/ecto.gen.repo.ex

@@ -0,0 +1,110 @@
+defmodule Mix.Tasks.Ecto.Gen.Repo do
+  use Mix.Task
+
+  import Mix.Ecto
+  import Mix.Generator
+
+  @shortdoc "Generates a new repository"
+
+  @switches [
+    repo: [:string, :keep],
+  ]
+
+  @aliases [
+    r: :repo,
+  ]
+
+  @moduledoc """
+  Generates a new repository.
+
+  The repository will be placed in the `lib` directory.
+
+  ## Examples
+
+      $ mix ecto.gen.repo -r Custom.Repo
+
+  This generator will automatically open the config/config.exs
+  after generation if you have `ECTO_EDITOR` set in your environment
+  variable.
+
+  ## Command line options
+
+    * `-r`, `--repo` - the repo to generate
+
+  """
+
+  @impl true
+  def run(args) do
+    no_umbrella!("ecto.gen.repo")
+    {opts, _} = OptionParser.parse!(args, strict: @switches, aliases: @aliases)
+
+    repo =
+      case Keyword.get_values(opts, :repo) do
+        [] -> Mix.raise "ecto.gen.repo expects the repository to be given as -r MyApp.Repo"
+        [repo] -> Module.concat([repo])
+        [_ | _] -> Mix.raise "ecto.gen.repo expects a single repository to be given"
+      end
+
+    config      = Mix.Project.config()
+    underscored = Macro.underscore(inspect(repo))
+
+    base = Path.basename(underscored)
+    file = Path.join("lib", underscored) <> ".ex"
+    app  = config[:app] || :YOUR_APP_NAME
+    opts = [mod: repo, app: app, base: base]
+
+    create_directory Path.dirname(file)
+    create_file file, repo_template(opts)
+    config_path = config[:config_path] || "config/config.exs"
+
+    case File.read(config_path) do
+      {:ok, contents} ->
+        check = String.contains?(contents, "import Config")
+        config_first_line = get_first_config_line(check) <> "\n"
+        new_contents = config_first_line <> "\n" <> config_template(opts)
+        Mix.shell().info [:green, "* updating ", :reset, config_path]
+        File.write! config_path, String.replace(contents, config_first_line, new_contents)
+
+      {:error, _} ->
+        create_file config_path, "import Config\n\n" <> config_template(opts)
+    end
+
+    open?(config_path, 3)
+
+    Mix.shell().info """
+    Don't forget to add your new repo to your supervision tree
+    (typically in lib/#{app}/application.ex):
+
+        def start(_type, _args) do
+          children = [
+            #{inspect repo},
+          ]
+
+    And to add it to the list of Ecto repositories in your
+    configuration files (so Ecto tasks work as expected):
+
+        config #{inspect app},
+          ecto_repos: [#{inspect repo}]
+
+    """
+  end
+
+  defp get_first_config_line(true), do: "import Config"
+  defp get_first_config_line(false), do: "use Mix.Config"
+
+  embed_template :repo, """
+  defmodule <%= inspect @mod %> do
+    use Ecto.Repo,
+      otp_app: <%= inspect @app %>,
+      adapter: Ecto.Adapters.Postgres
+  end
+  """
+
+  embed_template :config, """
+  config <%= inspect @app %>, <%= inspect @mod %>,
+    database: "<%= @app %>_<%= @base %>",
+    username: "user",
+    password: "pass",
+    hostname: "localhost"
+  """
+end