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34 lines
1.1 KiB
Elixir
34 lines
1.1 KiB
Elixir
defmodule PhilomenaWeb.StatView do
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use PhilomenaWeb, :view
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def upload_graph(data) do
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data = Enum.sort_by(data, & &1["key"])
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n_buckets = length(data)
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{%{"key" => min_time}, %{"key" => max_time}} = Enum.min_max_by(data, & &1["key"], fn -> %{"key" => 0} end)
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{%{"doc_count" => min_docs}, %{"doc_count" => max_docs}} = Enum.min_max_by(data, & &1["doc_count"], fn -> %{"doc_count" => 0} end)
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graph_width = 950
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graph_height = 475
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bar_width = safe_div(graph_width, n_buckets)
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max_bar_height = safe_div(graph_height, max_docs - min_docs)
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content_tag :svg, class: "upload-stats", viewBox: "0 0 #{graph_width} #{graph_height}" do
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for {datum, i} <- Enum.with_index(data) do
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bar_height = safe_div(datum["doc_count"], max_docs) * max_bar_height
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x = i * bar_width
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y = graph_height-bar_height
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height = bar_height
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content_tag :rect, width: bar_width, height: height, x: x, y: y, fill: "#000" do
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content_tag :title, "#{datum["key_as_string"]} - #{datum["doc_count"]} uploads"
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end
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end
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end
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end
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defp safe_div(n, 0), do: 0
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defp safe_div(n, d), do: n / d
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end
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