105 lines
1.8 KiB
Elixir
105 lines
1.8 KiB
Elixir
defmodule Tradex.Instruments do
|
|
@moduledoc """
|
|
The Instruments context.
|
|
"""
|
|
|
|
import Ecto.Query, warn: false
|
|
|
|
alias Tradex.Instruments.Security
|
|
alias Tradex.Repo
|
|
|
|
@doc """
|
|
Returns the list of securities.
|
|
|
|
## Examples
|
|
|
|
iex> list_securities()
|
|
[%Security{}, ...]
|
|
|
|
"""
|
|
def list_securities do
|
|
Repo.all(Security)
|
|
end
|
|
|
|
@doc """
|
|
Gets a single security.
|
|
|
|
Raises `Ecto.NoResultsError` if the Security does not exist.
|
|
|
|
## Examples
|
|
|
|
iex> get_security!(123)
|
|
%Security{}
|
|
|
|
iex> get_security!(456)
|
|
** (Ecto.NoResultsError)
|
|
|
|
"""
|
|
def get_security!(id), do: Repo.get!(Security, id)
|
|
|
|
@doc """
|
|
Creates a security.
|
|
|
|
## Examples
|
|
|
|
iex> create_security(%{field: value})
|
|
{:ok, %Security{}}
|
|
|
|
iex> create_security(%{field: bad_value})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def create_security(attrs \\ %{}) do
|
|
%Security{}
|
|
|> Security.changeset(attrs)
|
|
|> Repo.insert()
|
|
end
|
|
|
|
@doc """
|
|
Updates a security.
|
|
|
|
## Examples
|
|
|
|
iex> update_security(security, %{field: new_value})
|
|
{:ok, %Security{}}
|
|
|
|
iex> update_security(security, %{field: bad_value})
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def update_security(%Security{} = security, attrs) do
|
|
security
|
|
|> Security.changeset(attrs)
|
|
|> Repo.update()
|
|
end
|
|
|
|
@doc """
|
|
Deletes a security.
|
|
|
|
## Examples
|
|
|
|
iex> delete_security(security)
|
|
{:ok, %Security{}}
|
|
|
|
iex> delete_security(security)
|
|
{:error, %Ecto.Changeset{}}
|
|
|
|
"""
|
|
def delete_security(%Security{} = security) do
|
|
Repo.delete(security)
|
|
end
|
|
|
|
@doc """
|
|
Returns an `%Ecto.Changeset{}` for tracking security changes.
|
|
|
|
## Examples
|
|
|
|
iex> change_security(security)
|
|
%Ecto.Changeset{data: %Security{}}
|
|
|
|
"""
|
|
def change_security(%Security{} = security, attrs \\ %{}) do
|
|
Security.changeset(security, attrs)
|
|
end
|
|
end
|