Diffuser/lib/diffuser/generator.ex

151 lines
3.5 KiB
Elixir

defmodule Diffuser.Generator do
@moduledoc """
The Generator context.
"""
import Ecto.Query, warn: false
alias Diffuser.Repo
alias Diffuser.Generator.{PromptRequest, PromptRequestResult}
@doc """
Returns the list of prompt_requests.
## Examples
iex> list_prompt_requests()
[%PromptRequest{}, ...]
"""
def list_prompt_requests do
Repo.all(PromptRequest)
end
@doc """
Gets a single prompt_request.
Raises `Ecto.NoResultsError` if the Prompt request does not exist.
## Examples
iex> get_prompt_request!(123)
%PromptRequest{}
iex> get_prompt_request!(456)
** (Ecto.NoResultsError)
"""
def get_prompt_request!(id),
do:
Repo.one!(from pr in PromptRequest, where: pr.id == ^id)
|> Repo.preload([:votes, :images, :user])
@doc """
Creates a prompt_request.
## Examples
iex> create_prompt_request(%{field: value})
{:ok, %PromptRequest{}}
iex> create_prompt_request(%{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def create_prompt_request(%{"user" => user} = attrs) do
user = Diffuser.Accounts.get_user!(user)
code = Map.get(user, :code, nil)
attrs =
if is_nil(code),
do: attrs |> Map.put("code", "garbage"),
else: attrs |> Map.put("code", code)
%PromptRequest{}
|> PromptRequest.changeset(attrs)
|> Ecto.Changeset.put_assoc(:user, user)
|> Repo.insert()
end
@doc """
Updates a prompt_request.
## Examples
iex> update_prompt_request(prompt_request, %{field: new_value})
{:ok, %PromptRequest{}}
iex> update_prompt_request(prompt_request, %{field: bad_value})
{:error, %Ecto.Changeset{}}
"""
def update_prompt_request(%PromptRequest{} = prompt_request, attrs) do
prompt_request
|> PromptRequest.changeset(attrs)
|> Repo.update()
end
def update_prompt_request(id, attrs),
do: get_prompt_request!(id) |> update_prompt_request(attrs)
@doc """
Deletes a prompt_request.
## Examples
iex> delete_prompt_request(prompt_request)
{:ok, %PromptRequest{}}
iex> delete_prompt_request(prompt_request)
{:error, %Ecto.Changeset{}}
"""
def delete_prompt_request(%PromptRequest{} = prompt_request) do
Repo.delete(prompt_request)
end
@doc """
Returns an `%Ecto.Changeset{}` for tracking prompt_request changes.
## Examples
iex> change_prompt_request(prompt_request)
%Ecto.Changeset{data: %PromptRequest{}}
"""
def change_prompt_request(%PromptRequest{} = prompt_request, attrs \\ %{}) do
PromptRequest.changeset(prompt_request, attrs)
end
def create_prompt_request_result(prompt_request_id, image) do
%PromptRequestResult{}
|> PromptRequestResult.changeset(%{
image: image,
prompt_request_id: prompt_request_id
})
|> Repo.insert()
end
def create_prompt_request_results(prompt_request_id, images) do
Enum.each(images, fn %{file_name: file_name, binary: binary} ->
create_prompt_request_result(prompt_request_id, %{
file_name: file_name,
filename: file_name,
binary: binary,
updated_at: DateTime.utc_now()
})
end)
end
def paginate_prompt_requests(query \\ PromptRequest, params) do
search_query = Map.get(params, :query, nil)
order_by_query = Map.get(params, :order_by, nil)
query
|> PromptRequest.search_by_prompt_or_user(search_query)
|> PromptRequest.order_by(order_by_query)
|> preload([:votes, :user, :images])
|> Repo.paginate(params)
end
end