Graham McIntire
6f16395f44
- Radio context with QSO schema and CSV import script (58K contacts) - Solar index schema, GFZ client, and daily Oban cron worker - LiveView dashboard with QSO table and weather correlation views - Parallelize weather import script using Task.async_stream (10 concurrent workers) - Replace sequential rate_limit sleeps with concurrency-based backpressure - Atomic progress counter for interleave-safe reporting
49 lines
1.1 KiB
Elixir
49 lines
1.1 KiB
Elixir
defmodule Microwaveprop.Radio do
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@moduledoc false
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import Ecto.Query
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alias Microwaveprop.Radio.Qso
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alias Microwaveprop.Repo
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@per_page 20
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@sortable_fields ~w(station1 station2 band mode distance_km qso_timestamp)a
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def list_qsos(opts \\ []) do
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page = max(Keyword.get(opts, :page, 1), 1)
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offset = (page - 1) * @per_page
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{sort_field, sort_dir} = sort_opts(opts)
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total_entries = Repo.aggregate(Qso, :count)
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total_pages = max(ceil(total_entries / @per_page), 1)
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entries =
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Qso
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|> order_by([q], [{^sort_dir, field(q, ^sort_field)}])
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|> limit(^@per_page)
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|> offset(^offset)
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|> Repo.all()
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%{
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entries: entries,
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page: page,
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total_pages: total_pages,
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total_entries: total_entries
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}
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end
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defp sort_opts(opts) do
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sort_by = Keyword.get(opts, :sort_by, :qso_timestamp)
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sort_order = Keyword.get(opts, :sort_order, :desc)
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field = if sort_by in @sortable_fields, do: sort_by, else: :qso_timestamp
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dir = if sort_order in [:asc, :desc], do: sort_order, else: :desc
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{field, dir}
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end
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def get_qso!(id) do
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Repo.get!(Qso, id)
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end
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end
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