Add /api/collection endpoint

lib/music_library_web/controllers/collection_controller.ex

@@ -14,4 +14,20 @@ defmodule MusicLibraryWeb.CollectionController do
 
     render(conn, :show, record: random_record)
   end
+
+  def index(conn, params) do
+    limit =
+      Map.get(params, "limit", "20")
+      |> String.to_integer()
+
+    offset =
+      Map.get(params, "offset", "0")
+      |> String.to_integer()
+
+    total = Collection.search_records_count("")
+
+    records = Collection.search_records("", limit: limit, offset: offset)
+
+    render(conn, :index, total: total, limit: limit, offset: offset, records: records)
+  end
 end

lib/music_library_web/controllers/collection_json.ex

@@ -2,7 +2,21 @@ defmodule MusicLibraryWeb.CollectionJSON do
   use MusicLibraryWeb, :json
 
   def show(%{record: record}) do
+    record(record)
+  end
+
+  def index(%{records: records, total: total, limit: limit, offset: offset}) do
     %{
+      total: total,
+      limit: limit,
+      offset: offset,
+      records: Enum.map(records, &record/1)
+    }
+  end
+
+  defp record(record) do
+    %{
+      id: record.id,
       artists: Enum.map(record.artists, & &1.name),
       title: record.title,
       cover_url: url(~p"/api/covers/#{record.id}?#{[vsn: record.cover_hash]}"),

lib/music_library_web/router.ex

@@ -61,6 +61,7 @@ defmodule MusicLibraryWeb.Router do
 
     get "/collection/latest", CollectionController, :latest
     get "/collection/random", CollectionController, :random
+    get "/collection", CollectionController, :index
     get "/covers/:record_id", CoverController, :show
     get "/backup", ArchiveController, :backup
   end

test/music_library_web/controllers/collection_controller_test.exs

@@ -28,6 +28,7 @@ defmodule MusicLibraryWeb.CollectionControllerTest do
         |> get(~p"/api/collection/latest")
 
       assert json_response(conn, 200) == %{
+               "id" => record.id,
                "artists" => ["Steven Wilson"],
                "title" => record.title,
                "cover_url" =>
@@ -55,6 +56,7 @@ defmodule MusicLibraryWeb.CollectionControllerTest do
         |> get(~p"/api/collection/random")
 
       assert json_response(conn, 200) == %{
+               "id" => record.id,
                "artists" => ["Steven Wilson"],
                "title" => record.title,
                "cover_url" =>
@@ -64,4 +66,38 @@ defmodule MusicLibraryWeb.CollectionControllerTest do
              }
     end
   end
+
+  describe "GET /api/collection" do
+    setup [:create_record]
+
+    test "it requires authentication", %{conn: conn} do
+      conn = get(conn, ~p"/api/collection")
+
+      assert conn.status == 401
+    end
+
+    test "it returns a paginated list of records", %{conn: conn, record: record} do
+      conn =
+        conn
+        |> put_req_header("authorization", "Bearer #{api_token()}")
+        |> get(~p"/api/collection")
+
+      assert json_response(conn, 200) == %{
+               "total" => 1,
+               "limit" => 20,
+               "offset" => 0,
+               "records" => [
+                 %{
+                   "id" => record.id,
+                   "artists" => ["Steven Wilson"],
+                   "title" => record.title,
+                   "cover_url" =>
+                     "http://localhost:4002/api/covers/#{record.id}?vsn=#{record.cover_hash}",
+                   "thumb_url" =>
+                     "http://localhost:4002/api/covers/#{record.id}?vsn=#{record.cover_hash}&size=480"
+                 }
+               ]
+             }
+    end
+  end
 end