Add LiveView editor dashboard with drafts and scheduled tabs

app/test/support/fake_blog.ex

@@ -0,0 +1,65 @@
+defmodule Firehose.Test.FakeBlog do
+  @moduledoc """
+  A test double that implements the blog module interface,
+  backed by an Agent so tests can control the post data.
+  """
+
+  use Agent
+
+  @defaults [
+    blog_id: :test_blog,
+    title: "Test Blog",
+    description: "A blog for tests",
+    base_path: "/blog/test"
+  ]
+
+  def start(posts \\ [], opts \\ []) do
+    opts = Keyword.merge(@defaults, opts)
+
+    state = %{
+      posts: posts,
+      blog_id: opts[:blog_id],
+      title: opts[:title],
+      description: opts[:description],
+      base_path: opts[:base_path]
+    }
+
+    case Agent.start(fn -> state end, name: __MODULE__) do
+      {:ok, pid} ->
+        {:ok, pid}
+
+      {:error, {:already_started, pid}} ->
+        Agent.update(__MODULE__, fn _ -> state end)
+        {:ok, pid}
+    end
+  end
+
+  defp get(key), do: Agent.get(__MODULE__, &Map.fetch!(&1, key))
+
+  def blog_id, do: get(:blog_id)
+  def title, do: get(:title)
+  def description, do: get(:description)
+  def base_path, do: get(:base_path)
+
+  def all_posts_unfiltered do
+    get(:posts)
+    |> Enum.sort_by(& &1.date, {:desc, Date})
+  end
+
+  def unfiltered_posts do
+    all_posts_unfiltered()
+  end
+
+  def all_posts do
+    get(:posts)
+    |> Enum.filter(& &1.published)
+    |> Enum.sort_by(& &1.date, {:desc, Date})
+  end
+
+  def all_tags do
+    all_posts()
+    |> Enum.flat_map(& &1.tags)
+    |> Enum.uniq()
+    |> Enum.sort()
+  end
+end