Merge pull request #1278 from poanetwork/gsf-market-history-chart-load-async
market history chart load asyncpull/1282/head
Gustavo
6 years ago
committed by
GitHub
commit
e9e6d3444d
@ -0,0 +1,51 @@ |
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defmodule BlockScoutWeb.Chain.MarketHistoryChartController do |
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use BlockScoutWeb, :controller |
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alias Explorer.{Chain, Market} |
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alias Explorer.ExchangeRates.Token |
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def show(conn, _params) do |
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with true <- ajax?(conn) do |
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exchange_rate = Market.get_exchange_rate(Explorer.coin()) || Token.null() |
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market_history_data = |
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30 |
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|> Market.fetch_recent_history() |
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|> case do |
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[today | the_rest] -> [%{today | closing_price: exchange_rate.usd_value} | the_rest] |
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data -> data |
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end |
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|> encode_market_history_data() |
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json(conn, %{ |
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history_data: market_history_data, |
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supply_data: available_supply(Chain.supply_for_days(30), exchange_rate) |
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}) |
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else |
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_ -> unprocessable_entity(conn) |
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end |
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end |
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defp available_supply(:ok, exchange_rate) do |
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to_string(exchange_rate.available_supply || 0) |
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end |
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defp available_supply({:ok, supply_for_days}, _exchange_rate) do |
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supply_for_days |
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|> Jason.encode() |
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|> case do |
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{:ok, data} -> data |
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_ -> [] |
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end |
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end |
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defp encode_market_history_data(market_history_data) do |
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market_history_data |
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|> Enum.map(fn day -> Map.take(day, [:closing_price, :date]) end) |
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|> Jason.encode() |
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|> case do |
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{:ok, data} -> data |
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_ -> [] |
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end |
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end |
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end |
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@ -0,0 +1,24 @@ |
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defmodule BlockScoutWeb.Chain.MarketHistoryChartControllerTest do |
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use BlockScoutWeb.ConnCase |
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describe "GET show/2" do |
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test "returns error when not an ajax request" do |
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path = market_history_chart_path(BlockScoutWeb.Endpoint, :show) |
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conn = get(build_conn(), path) |
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assert conn.status == 422 |
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end |
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test "returns ok when request is ajax" do |
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path = market_history_chart_path(BlockScoutWeb.Endpoint, :show) |
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conn = |
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build_conn() |
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|> put_req_header("x-requested-with", "xmlhttprequest") |
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|> get(path) |
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assert json_response(conn, 200) |
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end |
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end |
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end |
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@ -1,19 +0,0 @@ |
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defmodule BlockScoutWeb.ChainViewTest do |
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use BlockScoutWeb.ConnCase, async: true |
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alias BlockScoutWeb.ChainView |
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describe "encode_market_history_data/1" do |
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test "returns a JSON encoded market history data" do |
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market_history_data = [ |
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%Explorer.Market.MarketHistory{ |
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closing_price: Decimal.new("0.078"), |
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date: ~D[2018-08-20] |
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} |
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] |
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assert "[{\"closing_price\":\"0.078\",\"date\":\"2018-08-20\"}]" == |
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ChainView.encode_market_history_data(market_history_data) |
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end |
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end |
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end |
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