feat: reimplement functionality originally provided by trot

.formatter.exs

@@ -1 +1,5 @@
-[inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"]]
+[
+  inputs: ["{mix,.formatter}.exs", "{config,lib,test}/**/*.{ex,exs}"],
+  locals_without_parens: [aar: 1],
+  import_deps: [:plug]
+]

.github/workflows/build.yml

@@ -9,21 +9,16 @@ on:
     - cron: '0 11 * * 1'
 
 jobs:
-  build:
+  test:
     runs-on: ubuntu-latest
     name: Elixir ${{ matrix.elixir }} OTP ${{ matrix.otp }}
     strategy:
       matrix:
         elixir:
           - 1.14.4
-          - 1.13.4
-          - 1.12.3
-          - 1.11.4
         otp:
+          - 25.3
           - 24.3
-        include:
-          - elixir: 1.14.4
-            otp: 25.3
     steps:
       - uses: actions/checkout@v3
       - uses: erlef/setup-beam@v1
@@ -36,7 +31,7 @@ jobs:
       - run: mix coveralls
 
   deploy:
-    needs: build
+    needs: test
     if: ${{ github.event_name == 'push' && github.ref == 'refs/heads/main' }}
     uses: ./.github/workflows/deploy.yml
     secrets: inherit

README.md

@@ -3,12 +3,27 @@
 
 Get Sdk Levels of Android libraries as a shield to use as a badge.
 
-
 ## Gigalixir App
 
 https://asapi.gigalixirapp.com
 
- * https://github.com/HashNuke/heroku-buildpack-elixir
+## License
+
+    Copyright (C) 2017-2023  tynn
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Affero General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Affero General Public License for more details.
+
+    You should have received a copy of the GNU Affero General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
 
 
   [build]: https://github.com/asapi/Lv/actions/workflows/build.yml

config/config.exs

@@ -4,20 +4,4 @@ config :logger, level: :warn
 
 config :tesla, adapter: Tesla.Adapter.Hackney
 
-config :trot,
-  router: Asapi.Router,
-  pre_routing: [
-    "Elixir.Trot.LiveReload": [env: Mix.env()],
-    "Elixir.Plug.Logger": [],
-    "Elixir.PlugHeartbeat": [],
-    "Elixir.Plug.Static": [at: "/", from: :asapi],
-    "Elixir.Asapi.Library": [],
-    "Elixir.Asapi.Type": []
-  ],
-  post_routing: [
-    "Elixir.Asapi.Reload": [],
-    "Elixir.Asapi.Lv": [],
-    "Elixir.Trot.NotFound": []
-  ]
-
 import_config "#{Mix.env()}.exs"

config/prod.exs

@@ -1,12 +1,10 @@
 import Config
-import System
 
-config :trot,
-  port: get_env("PORT"),
-  pre_routing: [
-    "Elixir.Plug.SSL": [rewrite_on: [:x_forwarded_proto]],
-    "Elixir.PlugHeartbeat": [],
-    "Elixir.Plug.Static": [at: "/", from: :asapi],
-    "Elixir.Asapi.Library": [],
-    "Elixir.Asapi.Type": []
-  ]
+try do
+  System.get_env("PORT")
+  |> String.to_integer()
+rescue
+  _ -> nil
+else
+  port -> config :asapi, port: port
+end

elixir_buildpack.config

@@ -1,2 +1,2 @@
-erlang_version=24.3
-elixir_version=1.13.3
+erlang_version=25.3
+elixir_version=1.14.4

lib/asapi.ex

@@ -1,35 +1,21 @@
-#  Copyright 2017 Christian Schmitz
+#  Copyright 2023 Christian Schmitz
 #  SPDX-License-Identifier: AGPL-3.0-or-later
 
 defmodule Asapi do
-  @loading "…"
-  @unknown "unknown"
+  use Application
 
-  def shield(status, json \\ false) when status in [@loading, @unknown] do
-    shield(status, "inactive", json)
-  end
-
-  def shield(status, json) do
-    shield(status, "informational", json)
-  end
+  @impl true
+  def start(_type, _args) do
+    cowboy_options = [
+      compress: true,
+      port: Application.get_env(:asapi, :port, 4000)
+    ]
 
-  defp shield(status, color, json) do
-    unless json do
-      "https://img.shields.io/badge/API-#{encode(status)}-#{color}"
-    else
-      "{\"schemaVersion\":1,\"label\":\"API\",\"message\":\"#{status}\",\"color\":\"#{color}\"}"
-    end
-  end
-
-  defp encode(part) do
-    String.replace(part, "-", "--")
-  end
+    children = [
+      Asapi.Ext,
+      {Plug.Cowboy, scheme: :http, plug: Asapi.Router, options: cowboy_options}
+    ]
 
-  defmacro __using__(_) do
-    quote do
-      import Asapi
-      @loading unquote(@loading)
-      @unknown unquote(@unknown)
-    end
+    Supervisor.start_link(children, strategy: :one_for_one)
   end
 end

lib/asapi/ext.ex

@@ -2,13 +2,20 @@
 #  SPDX-License-Identifier: AGPL-3.0-or-later
 
 defmodule Asapi.Ext do
+  use Supervisor
+
   @day :timer.hours(24)
 
-  def start(_type, _args) do
-    Cachex.start_link(:lvc,
-      disable_ode: false,
-      default_ttl: @day * 7,
-      ttl_interval: @day
-    )
+  def start_link(init_arg) do
+    Supervisor.start_link(__MODULE__, init_arg, name: __MODULE__)
+  end
+
+  @impl true
+  def init(_init_arg) do
+    children = [
+      {Cachex, name: :lvc, disable_ode: false, default_ttl: @day * 7, ttl_interval: @day}
+    ]
+
+    Supervisor.init(children, strategy: :one_for_one)
   end
 end

lib/asapi/ext/repo.ex

@@ -2,12 +2,13 @@
 #  SPDX-License-Identifier: AGPL-3.0-or-later
 
 defmodule Asapi.Ext.Repo do
+  use Tesla
+
   alias Asapi.Ext.Version
   alias Asapi.Aar
-  use Tesla
 
-  plug(Tesla.Middleware.FollowRedirects)
-  plug(Tesla.Middleware.Retry, max_retries: 3)
+  plug Tesla.Middleware.FollowRedirects
+  plug Tesla.Middleware.Retry, max_retries: 3
 
   @repos [
     "https://maven.google.com",
@@ -20,9 +21,6 @@ defmodule Asapi.Ext.Repo do
       case aar.revision do
         nil -> ""
         "" -> ""
-        "latest.integration" -> ""
-        "latest.milestone" -> ""
-        "latest.release" -> ""
         rev -> String.slice(rev, 0..-2)
       end
 
@@ -89,9 +87,6 @@ defmodule Asapi.Ext.Repo do
     |> case do
       nil -> true
       "" -> true
-      "latest.integration" -> true
-      "latest.milestone" -> true
-      "latest.release" -> true
       rev -> String.ends_with?(rev, "+")
     end
   end

lib/asapi/library.ex

@@ -3,14 +3,16 @@
 
 defmodule Asapi.Library do
   alias Plug.Conn
-  import Plug.Conn, only: [fetch_query_params: 1]
-  import Trot.Router, only: [do_redirect: 2]
-  import Asapi.Util, only: [build_url: 3]
 
   @behaviour Plug
 
+  import Asapi.Response
+  import Plug.Conn, only: [fetch_query_params: 1]
+
+  @impl true
   def init(opts), do: opts
 
+  @impl true
   def call(%Conn{} = conn, _opts) do
     conn
     |> fetch_query_params
@@ -19,8 +21,7 @@ defmodule Asapi.Library do
 
   defp handle(%Conn{query_params: %{"library" => lib}} = conn) do
     conn
-    |> build_url("/#{String.replace(lib, ":", "/")}", ["library"])
-    |> do_redirect(conn)
+    |> redirect_to("/#{String.replace(lib, ":", "/")}", ["library"])
   end
 
   defp handle(%Conn{} = conn), do: conn

lib/asapi/lv.ex

@@ -2,75 +2,46 @@
 #  SPDX-License-Identifier: AGPL-3.0-or-later
 
 defmodule Asapi.Lv do
+  use Asapi.Shield
+
   alias Plug.Conn
   alias Asapi.Aar
   alias Asapi.Ext.Data
-  require Logger
-
-  import Trot.Router, only: [make_response: 2]
-  import Asapi.Util
 
-  use Asapi
-  use Trot.Template
+  @behaviour Plug
 
-  @template_root "priv/temp"
+  require Logger
 
-  @behaviour Plug
+  import Asapi.Response
 
+  @impl true
   def init(opts), do: opts
 
+  @impl true
   def call(%Conn{state: :unset} = conn, _opts) do
-    conn
-    |> asapi_lv
-    |> make_response(conn)
+    asapi_lv(conn)
   end
 
   def call(%Conn{} = conn, _opts), do: conn
 
   defp asapi_lv(%Conn{assigns: %{asapi_aar: %Aar{} = aar, asapi_ext: :html}} = conn) do
-    host =
-      case conn.port do
-        80 -> conn.host
-        443 -> conn.host
-        port -> "#{conn.host}:#{port}"
-      end
-
-    path =
-      case Enum.join(conn.path_info, "/") do
-        "" -> "/"
-        path -> "/#{path}"
-      end
-
-    render_template("asapi.html.eex",
-      host: host,
-      path: path,
-      lib: to_string(aar),
-      api: api_lv(aar),
-      loading: "#{shield(@loading)}.svg"
-    )
+    send_html(conn, to_string(aar), api_lv(aar), "#{shield(@loading)}.svg")
   end
 
   defp asapi_lv(%Conn{assigns: %{asapi_aar: aar, asapi_ext: type}} = conn)
        when type in [:png, :svg] do
-    conn
-    |> build_url("#{shield(api_lv(aar))}.#{type}")
-    |> redirect_to
+    redirect_to(conn, "#{shield(api_lv(aar))}.#{type}")
   end
 
-  defp asapi_lv(%Conn{assigns: %{asapi_aar: aar, asapi_ext: :json}}) do
-    aar
-    |> api_lv
-    |> shield(json: true)
-    |> send_json
+  defp asapi_lv(%Conn{assigns: %{asapi_aar: aar, asapi_ext: :json}} = conn) do
+    send_json(conn, shield(api_lv(aar), json: true))
   end
 
-  defp asapi_lv(%Conn{assigns: %{asapi_aar: aar, asapi_ext: :txt}}) do
-    aar
-    |> api_lv
-    |> send_text
+  defp asapi_lv(%Conn{assigns: %{asapi_aar: aar, asapi_ext: :txt}} = conn) do
+    send_text(conn, api_lv(aar))
   end
 
-  defp asapi_lv(%Conn{} = conn), do: conn
+  defp asapi_lv(conn), do: conn
 
   defp api_lv(%Aar{group: nil}), do: @unknown
   defp api_lv(%Aar{name: nil}), do: @unknown

lib/asapi/reload.ex

@@ -2,23 +2,24 @@
 #  SPDX-License-Identifier: AGPL-3.0-or-later
 
 defmodule Asapi.Reload do
-  require Logger
   alias Plug.Conn
   alias Asapi.Aar
   alias Asapi.Ext.Data
 
-  import Trot.Router, only: [do_redirect: 2]
-  import Asapi.Util, only: [build_url: 3]
-
   @behaviour Plug
 
+  require Logger
+
+  import Asapi.Response
+
+  @impl true
   def init(opts), do: opts
 
+  @impl true
   def call(%Conn{query_params: %{"reload" => _}} = conn, _opts) do
     conn
     |> clear_cached
-    |> build_url(conn.request_path, ["reload"])
-    |> do_redirect(conn)
+    |> redirect_to(conn.request_path, ["reload"])
   end
 
   def call(%Conn{} = conn, _opts), do: conn
@@ -30,8 +31,7 @@ defmodule Asapi.Reload do
     try do
       Data.clear!(aar)
     rescue
-      error ->
-        Logger.warn(Exception.message(error))
+      error -> Logger.warn(Exception.message(error))
     end
 
     conn