initial commit

.formatter.exs

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+# Used by "mix format"
+[
+  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]
+]

.gitignore

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+# The directory Mix will write compiled artifacts to.
+/_build/
+*.iml
+# If you run "mix test --cover", coverage assets end up here.
+/cover/
+
+# The directory Mix downloads your dependencies sources to.
+/deps/
+
+# Where third-party dependencies like ExDoc output generated docs.
+/doc/
+
+# Ignore .fetch files in case you like to edit your project deps locally.
+/.fetch
+
+# If the VM crashes, it generates a dump, let's ignore it too.
+erl_crash.dump
+
+# Also ignore archive artifacts (built via "mix archive.build").
+*.ez
+
+# Ignore package tarball (built via "mix hex.build").
+deep_lex-*.tar
+
+# Temporary files, for example, from tests.
+/tmp/

README.md

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+# DeepLex
+
+**TODO: Add description**
+
+## Installation
+
+If [available in Hex](https://hex.pm/docs/publish), the package can be installed
+by adding `deep_lex` to your list of dependencies in `mix.exs`:
+
+```elixir
+def deps do
+  [
+    {:deep_lex, "~> 0.1.0"}
+  ]
+end
+```
+
+Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc)
+and published on [HexDocs](https://hexdocs.pm). Once published, the docs can
+be found at <https://hexdocs.pm/deep_lex>.
+

lib/deep_lex.ex

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+defmodule DeepLex do
+  @moduledoc """
+  Documentation for `DeepLex`.
+  """
+  use Tesla
+
+  @type translation :: %{detected_source_language: String.t(), text: String.t()}
+
+  @type response :: %{translations: [translation]}
+
+  plug Tesla.Middleware.EncodeFormUrlencoded
+  plug Tesla.Middleware.DecodeJson, engine_opts: [keys: :atoms!]
+
+  defp base_url(:free) do
+    "https://api-free.deepl.com/v2/"
+  end
+
+  defp base_url(:pro) do
+    "https://api-free.deepl.com/v2/"
+  end
+
+  @spec translate(String.t(), String.t(), String.t(), String.t()) ::
+          {:ok, response} | {:error, String.t()}
+  def translate(api_key, tier, string, to_language) do
+    with {:ok, response} <- request(api_key, tier, string, to_language) do
+      {:ok, response.body}
+    else
+      {:error, reason} -> {:error, reason}
+    end
+  end
+
+  defp request(api_key, tier, string, to_language) do
+    post(base_url(tier) <> "translate", %{
+      auth_key: api_key,
+      text: string,
+      target_lang: to_language
+    })
+  end
+end

mix.exs

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+defmodule DeepLex.MixProject do
+  use Mix.Project
+
+  def project do
+    [
+      app: :deep_lex,
+      version: "0.1.0",
+      elixir: "~> 1.13",
+      start_permanent: Mix.env() == :prod,
+      deps: deps()
+    ]
+  end
+
+  # Run "mix help compile.app" to learn about applications.
+  def application do
+    [
+      extra_applications: [:logger]
+    ]
+  end
+
+  # Run "mix help deps" to learn about dependencies.
+  defp deps do
+    [
+      {:tesla, "~> 1.4.4"},
+      {:jason, "~> 1.3.0"}
+    ]
+  end
+end

mix.lock

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+%{
+  "jason": {:hex, :jason, "1.3.0", "fa6b82a934feb176263ad2df0dbd91bf633d4a46ebfdffea0c8ae82953714946", [:mix], [{:decimal, "~> 1.0 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: true]}], "hexpm", "53fc1f51255390e0ec7e50f9cb41e751c260d065dcba2bf0d08dc51a4002c2ac"},
+  "mime": {:hex, :mime, "2.0.3", "3676436d3d1f7b81b5a2d2bd8405f412c677558c81b1c92be58c00562bb59095", [:mix], [], "hexpm", "27a30bf0db44d25eecba73755acf4068cbfe26a4372f9eb3e4ea3a45956bff6b"},
+  "tesla": {:hex, :tesla, "1.4.4", "bb89aa0c9745190930366f6a2ac612cdf2d0e4d7fff449861baa7875afd797b2", [:mix], [{:castore, "~> 0.1", [hex: :castore, repo: "hexpm", optional: true]}, {:exjsx, ">= 3.0.0", [hex: :exjsx, repo: "hexpm", optional: true]}, {:finch, "~> 0.3", [hex: :finch, repo: "hexpm", optional: true]}, {:fuse, "~> 2.4", [hex: :fuse, repo: "hexpm", optional: true]}, {:gun, "~> 1.3", [hex: :gun, repo: "hexpm", optional: true]}, {:hackney, "~> 1.6", [hex: :hackney, repo: "hexpm", optional: true]}, {:ibrowse, "4.4.0", [hex: :ibrowse, repo: "hexpm", optional: true]}, {:jason, ">= 1.0.0", [hex: :jason, repo: "hexpm", optional: true]}, {:mime, "~> 1.0 or ~> 2.0", [hex: :mime, repo: "hexpm", optional: false]}, {:mint, "~> 1.0", [hex: :mint, repo: "hexpm", optional: true]}, {:poison, ">= 1.0.0", [hex: :poison, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: true]}], "hexpm", "d5503a49f9dec1b287567ea8712d085947e247cb11b06bc54adb05bfde466457"},
+}

test/deep_lex_test.exs

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+defmodule DeepLexTest do
+  use ExUnit.Case
+  doctest DeepLex
+end

test/test_helper.exs

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+ExUnit.start()