36 lines
778 B
Elixir
36 lines
778 B
Elixir
defmodule JOL.Blog.Post do
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use Ecto.Schema
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import Ecto.Changeset
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schema "posts" do
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field :title, :string
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field :body, :string
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field :published_at, :naive_datetime
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field :slug, :string
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many_to_many :tags, JOL.Blog.Tag, join_through: "post_tags"
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timestamps(type: :utc_datetime)
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end
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@doc false
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def changeset(post, attrs) do
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post
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|> cast(attrs, [:title, :body, :published_at, :slug])
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|> validate_required([:title, :body, :slug])
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|> cast_assoc(:tags)
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end
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def extract_lede(post) do
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case Regex.named_captures(~r/(?<lede>.*)\n<!-- more -->/s, post.body) do
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%{"lede" => lede} ->
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lede
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_ ->
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post.body
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|> String.split()
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|> Enum.take(50)
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|> Enum.join(" ")
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end
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end
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end
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