serve files

lib/handler.ex

@@ -50,6 +50,49 @@ defmodule Servy.Handler do
     %{conv | status: 200, resp_body: "Bear #{id}"}
   end
 
+  def route(%{method: "GET", path: "/about"} = conv) do
+    Path.expand(
+      "../pages",
+      __DIR__
+    )
+    |> Path.join("about.html")
+    |> File.read!()
+    |> handle_file(conv)
+  end
+
+  def handle_file({:ok, content}, conv) do
+    %{conv | status: 200, resp_body: content}
+  end
+
+  def handle_file({:error, :enoent}, conv) do
+    %{conv | status: 404, resp_body: "File Not Found!"}
+  end
+
+  def handle_file({:error, reason}, conv) do
+    %{conv | status: 500, resp_body: "File error: #{reason}"}
+  end
+
+  # def route(%{method: "GET", path: "/about"} = conv) do
+  #   file =
+  #     Path.expand(
+  #       "../pages",
+  #       __DIR__
+  #     )
+  #     |> Path.join("about.html")
+
+  #   case File.read(file) do
+  #     {:ok, content} ->
+  #       %{conv | status: 200, resp_body: content}
+
+  #     {:error, :enoent} ->
+  #       %{conv | status: 404, resp_body: "File Not Found!"}
+
+  #     {:error, reason} ->
+  #       %{conv | status: 500, resp_body: "File error: #{reason}"}
+  #       %{conv | status: 200, resp_body: "contents of file"}
+  #   end
+  # end
+
   def route(%{path: path} = conv) do
     %{conv | status: 404, resp_body: "No #{path} here!"}
   end
@@ -119,3 +162,14 @@ Accept: */*
 
 response = Servy.Handler.handle(request)
 IO.puts(response)
+
+request = """
+GET /about HTTP/1.1
+Host: example.com
+User-Agent: ExampleBrowser/1.0
+Accept: */*
+
+"""
+
+response = Servy.Handler.handle(request)
+IO.puts(response)

pages/about.html

@@ -0,0 +1,9 @@
+<h1>Clark's Wildthings Refuge</h1>
+
+<blockquote>
+	When we contemplate the whole globe as one great dewdrop, striped and dotted
+	with continents and islands, flying through space and dotted with continents
+	and islands, flying through space with other stars all singing and shining
+	together as one, the whole universe appears as an infinite storm of beauty. --
+	John Muir
+</blockquote>