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lib/forge_sdk/protocol/display/datetime.ex

defimpl ForgeSdk.Display, for: Google.Protobuf.Timestamp do
@moduledoc """
Implementation of `Display` protocol for `Timestamp`
"""
alias ForgeSdk.DateTimeUtils
def display(%{seconds: seconds}, expand? \\ false) do
dt =
case DateTime.from_unix(seconds) do
{:ok, date} -> date
_ -> DateTime.from_unix!(0)
end
case expand? do
true -> DateTimeUtils.format_date(dt)
_ -> dt
end
end
end
defimpl ForgeSdk.Display, for: DateTime do
@moduledoc """
Implementation of `Display` protocol for `Timestamp`
"""
alias ForgeSdk.DateTimeUtils
def display(data, true), do: DateTimeUtils.format_date(data)
def display(data, _), do: data
end
defmodule ForgeSdk.DateTimeUtils do
@moduledoc """
Convert date time to human readable formation
"""
@min 60
@hour @min * 60
@day @hour * 24
def format_date(datetime) do
diff = DateTime.diff(DateTime.utc_now(), datetime)
cond do
diff < 0 -> DateTime.to_string(datetime)
diff < @min -> "#{seconds(diff)} seconds ago"
diff < @hour -> "#{minutes(diff)} minutes #{seconds(diff)} seconds ago"
diff < @day -> "#{hours(diff)} hours #{minutes(diff)} minutes ago"
diff < @day * 30 -> "#{days(diff)} days #{hours(diff)} ago"
true -> DateTime.to_string(datetime)
end
end
defp days(seconds), do: div(seconds, @day)
defp hours(seconds), do: seconds |> rem(@day) |> div(@hour)
defp minutes(seconds), do: seconds |> rem(@hour) |> div(@min)
defp seconds(seconds), do: rem(seconds, @min)
end