Rename to aether plugin and add /aether timeline integration

lib/aether/plugin.ex

@@ -0,0 +1,101 @@
+defmodule Aether.Plugin do
+  @moduledoc """
+  Tribes plugin entry point.
+
+  Implements the `Tribes.Plugin` behaviour. This module is referenced by
+  `entry_module` in manifest.json and is called by the host's PluginManager
+  during startup.
+  """
+
+  # Once Tribes.Plugin.Base is available, replace the manual implementation
+  # with:
+  #
+  #   use Tribes.Plugin.Base, otp_app: :aether
+  #
+  # and override only register/1.
+
+  # @behaviour Tribes.Plugin
+
+  def register(_context) do
+    manifest = read_manifest()
+
+    %{
+      name: manifest["name"],
+      version: manifest["version"],
+      provides: manifest["provides"] || [],
+      requires: manifest["requires"] || [],
+      enhances_with: manifest["enhances_with"] || [],
+      nav_items: [
+        %{
+          label: "Aether",
+          path: "/aether",
+          icon: nil,
+          requires: [],
+          order: 50
+        }
+      ],
+      pages: [
+        %{
+          path: "/aether",
+          live_view: AetherWeb.TimelineLive,
+          layout: nil
+        }
+      ],
+      api_routes: [],
+      plugs: [],
+      children: [],
+      global_js: get_in(manifest, ["assets", "global_js"]) || [],
+      global_css: get_in(manifest, ["assets", "global_css"]) || [],
+      migrations_path: migrations_path(manifest),
+      hooks: %{}
+    }
+  end
+
+  defp read_manifest do
+    manifest_path()
+    |> File.read!()
+    |> Jason.decode!()
+  end
+
+  defp manifest_path do
+    project_manifest = Path.join(__DIR__, "../../manifest.json") |> Path.expand()
+
+    candidates =
+      case :code.priv_dir(:aether) do
+        {:error, :bad_name} ->
+          [project_manifest]
+
+        priv_dir ->
+          priv_dir = to_string(priv_dir)
+
+          [
+            Path.join(priv_dir, "../manifest.json") |> Path.expand(),
+            project_manifest
+          ]
+      end
+
+    first_existing_path(candidates) || project_manifest
+  end
+
+  defp migrations_path(manifest) do
+    if manifest["migrations"] do
+      candidates =
+        case :code.priv_dir(:aether) do
+          {:error, :bad_name} ->
+            [Path.join(__DIR__, "../../priv/repo/migrations") |> Path.expand()]
+
+          priv_dir ->
+            [
+              Path.join(to_string(priv_dir), "repo/migrations") |> Path.expand(),
+              Path.join(__DIR__, "../../priv/repo/migrations") |> Path.expand()
+            ]
+        end
+
+      first_existing_path(candidates)
+    end
+  end
+
+  defp first_existing_path(paths) do
+    Enum.find(paths, &File.exists?/1)
+  end
+end