Static blog with front page summary

Goal: have a personal blog, and try out another point in the 'modular app design with elixir' space. Designing OTP systems with elixir had some interesting ideas.
2026-03-17 11:17:21 +00:00
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+defmodule Blogex.Test.PostBuilder do
+  @moduledoc """
+  Builds `%Blogex.Post{}` structs for tests.
+
+  Call `build/0` for a post with sensible defaults, or `build/1`
+  with a keyword list to override only the fields that matter for
+  your specific test.
+
+      build()                                    # generic post
+      build(title: "Specific Title")             # override one field
+      build(tags: ~w(elixir otp), blog: :eng)    # override several
+      build(published: false)                    # draft post
+  """
+
+  @defaults %{
+    id: "a-blog-post",
+    title: "A Blog Post",
+    author: "Test Author",
+    body: "<p>Post body.</p>",
+    description: "A test post",
+    date: ~D[2026-01-15],
+    tags: ["general"],
+    blog: :test_blog,
+    published: true
+  }
+
+  @doc "Build a post with defaults, merging any overrides."
+  def build(overrides \\ []) do
+    attrs = Map.merge(@defaults, Map.new(overrides))
+    struct!(Blogex.Post, attrs)
+  end
+
+  @doc "Build a list of n posts with sequential dates (newest first)."
+  def build_many(n, overrides \\ []) do
+    Enum.map(1..n, fn i ->
+      build(
+        Keyword.merge(
+          [
+            id: "post-#{i}",
+            title: "Post #{i}",
+            date: Date.add(~D[2026-01-01], n - i)
+          ],
+          overrides
+        )
+      )
+    end)
+  end
+end