44 lines
1.2 KiB
Elixir
44 lines
1.2 KiB
Elixir
defmodule BDS.Posts.Link do
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@moduledoc false
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use Ecto.Schema
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import Ecto.Changeset
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@primary_key {:id, :string, autogenerate: false}
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@foreign_key_type :string
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@type t :: %__MODULE__{
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id: String.t() | nil,
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source_post_id: String.t() | nil,
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target_post_id: String.t() | nil,
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source_post: term(),
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target_post: term(),
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link_text: String.t() | nil,
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created_at: integer() | nil
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}
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schema "post_links" do
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belongs_to :source_post, BDS.Posts.Post,
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foreign_key: :source_post_id,
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references: :id,
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type: :string
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belongs_to :target_post, BDS.Posts.Post,
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foreign_key: :target_post_id,
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references: :id,
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type: :string
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field :link_text, :string
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field :created_at, :integer
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end
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@spec changeset(t() | Ecto.Changeset.t(), map()) :: Ecto.Changeset.t()
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def changeset(link, attrs) do
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link
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|> cast(attrs, [:id, :source_post_id, :target_post_id, :link_text, :created_at])
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|> validate_required([:id, :source_post_id, :target_post_id, :created_at])
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|> foreign_key_constraint(:source_post_id)
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|> foreign_key_constraint(:target_post_id)
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end
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end
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