112 lines
1.9 KiB
Elixir
112 lines
1.9 KiB
Elixir
defmodule HereIAm.Devices do
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@moduledoc """
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The Devices context.
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"""
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import Ecto.Query, warn: false
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alias HereIAm.Repo
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alias HereIAm.Devices.Device
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@doc """
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Returns the list of devices.
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## Examples
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iex> list_devices()
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[%Device{}, ...]
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"""
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def list_devices do
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Repo.all(Device)
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end
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@doc """
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Gets a single device.
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Raises `Ecto.NoResultsError` if the Device does not exist.
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## Examples
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iex> get_device!(123)
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%Device{}
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iex> get_device!(456)
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** (Ecto.NoResultsError)
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"""
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def get_device!(id), do: Repo.get!(Device, id)
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@doc """
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Creates a device.
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## Examples
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iex> create_device(%{field: value})
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{:ok, %Device{}}
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iex> create_device(%{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def create_device(attrs \\ %{}) do
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%Device{}
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|> Device.changeset(attrs)
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|> Repo.insert()
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end
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@doc """
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Updates a device.
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## Examples
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iex> update_device(device, %{field: new_value})
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{:ok, %Device{}}
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iex> update_device(device, %{field: bad_value})
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{:error, %Ecto.Changeset{}}
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"""
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def update_device(%Device{} = device, attrs) do
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device
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|> Device.changeset(attrs)
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|> Repo.update()
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end
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@doc """
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Deletes a device.
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## Examples
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iex> delete_device(device)
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{:ok, %Device{}}
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iex> delete_device(device)
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{:error, %Ecto.Changeset{}}
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"""
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def delete_device(%Device{} = device) do
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Repo.delete(device)
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end
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@doc """
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Returns an `%Ecto.Changeset{}` for tracking device changes.
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## Examples
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iex> change_device(device)
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%Ecto.Changeset{data: %Device{}}
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"""
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def change_device(%Device{} = device, attrs \\ %{}) do
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Device.changeset(device, attrs)
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end
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def get_device_by_ip(ip_address) do
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case Repo.get_by(Device, ip_address: ip_address) do
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nil -> {:error, :not_found}
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device -> {:ok, device}
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end
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end
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end
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