defmodule History.TradeHistoryJobs do
require Ecto.Query
import Ecto.Query
alias History.Repo
alias History.Trades.TradeHistoryJob, as: Job
@seconds_in_1_hour 60 * 60
def job_changeset_today(params) do
now = DateTime.utc_now()
today = now |> DateTime.to_date()
yesterday = today |> Timex.shift(days: -1)
current_hour = Time.new!(now.hour, 0, 0)
next_hour = current_hour |> Time.add(@seconds_in_1_hour, :second)
merged_params =
Map.merge(
params,
%{
from_date: yesterday,
from_time: current_hour,
to_date: today,
to_time: next_hour
}
)
Job.changeset(%Job{}, merged_params)
end
@spec get!(Job.id()) :: Job.t()
def get!(id) do
Repo.get!(Job, id)
end
@default_latest_page 1
@default_latest_page_size 25
@max_page_size 100
def latest(opts) do
page = max((opts[:page] || @default_latest_page) - 1, 0)
page_size = min(opts[:page_size] || @default_latest_page_size, @max_page_size)
offset = page * page_size
from(
t in Job,
order_by: [desc: :inserted_at],
offset: ^offset,
limit: ^page_size
)
|> Repo.all()
end
@spec count :: non_neg_integer
def count do
Repo.aggregate(Job, :count)
end
def insert(params) do
changeset = Job.changeset(%Job{}, params)
Repo.insert(changeset)
end
def update(job, params) do
changeset = Job.changeset(job, params)
Repo.update(changeset)
end
def enqueued_after(id, count) do
from(
t in Job,
where: t.id > ^id and t.status == "enqueued",
order_by: [asc: :id],
limit: ^count
)
|> Repo.all()
end
end