42 lines
1.0 KiB
Elixir
42 lines
1.0 KiB
Elixir
defmodule Backend.Instance do
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use Ecto.Schema
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import Ecto.Changeset
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schema "instances" do
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field :domain, :string
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field :description, :string
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field :user_count, :integer
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field :status_count, :integer
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field :version, :string
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field :insularity, :float
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many_to_many :peers, Backend.Instance,
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join_through: Backend.InstancePeer,
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join_keys: [source_domain: :domain, target_domain: :domain]
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# This may look like it's duplicating :peers above, but it allows us to insert peer relationships quickly.
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# https://stackoverflow.com/a/56764241/3697202
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has_many :instance_peers, Backend.InstancePeer,
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foreign_key: :source_domain,
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references: :domain
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timestamps()
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end
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@doc false
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def changeset(instance, attrs) do
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instance
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|> cast(attrs, [
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:domain,
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:description,
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:user_count,
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:status_count,
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:version,
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:insularity,
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:updated_at
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])
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|> validate_required([:domain])
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|> put_assoc(:peers, attrs.peers)
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end
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end
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