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