frontend/src/routes/list/xetra-stocks/+page.svelte

<script lang="ts">
  import { goto } from "$app/navigation";
  import { screenWidth } from "$lib/store";
  import { abbreviateNumber } from "$lib/utils";
  import { onMount } from "svelte";

  export let data;
  let rawData = data?.getXetraStocks;
  let marketCapList = rawData?.slice(0, 50);

  async function handleScroll() {
    const scrollThreshold = document.body.offsetHeight * 0.8; // 80% of the website height
    const isBottom = window.innerHeight + window.scrollY >= scrollThreshold;
    if (isBottom && marketCapList?.length !== rawData?.length) {
      const nextIndex = marketCapList?.length;
      const filteredNewResults = rawData?.slice(nextIndex, nextIndex + 50);
      marketCapList = [...marketCapList, ...filteredNewResults];
    }
  }

  onMount(async () => {
    window.addEventListener("scroll", handleScroll);
    return () => {
      window.removeEventListener("scroll", handleScroll);
    };
  });

  let totalMarketCap = rawData?.reduce(
    (total, stock) => total + stock?.marketCap,
    0,
  );
  let totalRevenue = rawData?.reduce(
    (total, stock) => total + stock?.revenue,
    0,
  );
  let totalProfits =
    rawData?.reduce((total, stock) => total + stock?.netIncome, 0) ?? 0;

  $: charNumber = $screenWidth < 640 ? 15 : 20;
</script>

<section class="w-full overflow-hidden m-auto">
  <div
    class="w-full border border-gray-800 sm:flex sm:flex-row sm:items-center m-auto text-gray-100 bg-[#09090B] sm:rounded-lg h-auto p-5 mb-4"
  >
    <svg
      class="w-5 h-5 inline-block sm:mr-2 flex-shrink-0"
      xmlns="http://www.w3.org/2000/svg"
      viewBox="0 0 256 256"
      ><path
        fill="#FBCE3C"
        d="M128 24a104 104 0 1 0 104 104A104.11 104.11 0 0 0 128 24m-4 48a12 12 0 1 1-12 12a12 12 0 0 1 12-12m12 112a16 16 0 0 1-16-16v-40a8 8 0 0 1 0-16a16 16 0 0 1 16 16v40a8 8 0 0 1 0 16"
      /></svg
    >
    All of the stocks listed on the XETRA (German Electronic Exchange) in Europe.
  </div>

  <div
    class="stats stats-horizontal no-scrollbar bg-[#27272A] w-full rounded-lg text-white"
  >
    <div class="stat">
      <div class="stat-title text-sm sm:text-lg font-semibold text-white">
        Total Stocks
      </div>
      <div class="stat-value text-lg font-semibold text-white">
        {rawData?.length}
      </div>
    </div>

    <div class="stat">
      <div class="stat-title text-sm sm:text-lg font-semibold text-white">
        Total Market Cap
      </div>
      <div class="stat-value text-lg font-semibold text-white">
        {abbreviateNumber(totalMarketCap, true)}
      </div>
    </div>

    <div class="stat">
      <div class="stat-title text-sm sm:text-lg font-semibold text-white">
        Total Revenue
      </div>
      <div class="stat-value text-lg font-semibold text-white">
        {abbreviateNumber(totalRevenue, true)}
      </div>
    </div>

    <div class="stat">
      <div class="stat-title text-sm sm:text-lg font-semibold text-white">
        Total Profits
      </div>
      <div class="stat-value text-lg font-semibold text-white">
        {abbreviateNumber(totalProfits, true)}
      </div>
    </div>
  </div>

  <!-- Page wrapper -->
  <div class="flex justify-center w-full m-auto h-full overflow-hidden">
    <!-- Content area -->
    <div class="w-full overflow-x-scroll">
      <table
        class="table table-sm table-compact rounded-none sm:rounded-md w-full border-bg-[#09090B] m-auto mt-4"
      >
        <thead>
          <tr class="border border-slate-800">
            <th class="text-white font-semibold text-[1rem]">Symbol</th>
            <th class="text-white font-semibold text-[1rem]">Company</th>
            <th class="text-white font-semibold text-end text-[1rem]"
              >Market Cap</th
            >
            <th class="text-white font-semibold text-center text-[1rem]"
              >Revenue</th
            >
            <th class="text-white font-semibold text-center text-[1rem]"
              >Profits</th
            >
            <th class="text-white font-semibold text-[1rem] text-end">Price</th>
          </tr>
        </thead>
        <tbody>
          {#each marketCapList as item}
            <!-- row -->
            <tr
              on:click={() => goto("/stocks/" + item?.symbol)}
              class="sm:hover:bg-[#245073] sm:hover:bg-opacity-[0.2] odd:bg-[#27272A] border-b-[#09090B] shake-ticker cursor-pointer"
            >
              <td
                class="text-blue-400 font-medium text-sm sm:text-[1rem] whitespace-nowrap border-b-[#09090B]"
              >
                {item?.symbol}
              </td>

              <td
                class="text-white text-sm sm:text-[1rem] whitespace-nowrap border-b-[#09090B]"
              >
                {item?.name?.length > charNumber
                  ? item?.name?.slice(0, charNumber) + "..."
                  : item?.name}
              </td>

              <td
                class="text-white text-sm sm:text-[1rem] whitespace-nowrap font-medium text-end border-b-[#09090B]"
              >
                {abbreviateNumber(item?.marketCap, true)}
              </td>

              <td
                class="text-white text-sm sm:text-[1rem] whitespace-nowrap font-medium text-center border-b-[#09090B]"
              >
                {item?.revenue !== null
                  ? abbreviateNumber(item?.revenue, true)
                  : "-"}
              </td>

              <td
                class="text-white text-sm sm:text-[1rem] whitespace-nowrap font-medium text-center border-b-[#09090B]"
              >
                {item?.netIncome !== null
                  ? abbreviateNumber(item?.netIncome, true)
                  : "-"}
              </td>

              <td
                class="text-white text-sm sm:text-[1rem] whitespace-nowrap border-b-[#09090B]"
              >
                <div class="flex flex-row justify-end items-center">
                  <div class="flex flex-col">
                    <span class="text-white font-semibold text-md ml-auto"
                      >${item.price?.toFixed(2)}</span
                    >
                    <div class="flex flex-row mt-0.5 ml-auto">
                      {#if item.changesPercentage >= 0}
                        <svg
                          class="w-5 h-5 -mr-0.5 -mt-0.5"
                          xmlns="http://www.w3.org/2000/svg"
                          viewBox="0 0 24 24"
                          ><g id="evaArrowUpFill0"
                            ><g id="evaArrowUpFill1"
                              ><path
                                id="evaArrowUpFill2"
                                fill="#00FC50"
                                d="M16.21 16H7.79a1.76 1.76 0 0 1-1.59-1a2.1 2.1 0 0 1 .26-2.21l4.21-5.1a1.76 1.76 0 0 1 2.66 0l4.21 5.1A2.1 2.1 0 0 1 17.8 15a1.76 1.76 0 0 1-1.59 1Z"
                              /></g
                            ></g
                          ></svg
                        >
                        <span class="text-[#00FC50]"
                          >+{item.changesPercentage?.toFixed(2)}%</span
                        >
                      {:else}
                        <svg
                          class="w-5 h-5 -mr-0.5 -mt-0.5 rotate-180"
                          xmlns="http://www.w3.org/2000/svg"
                          viewBox="0 0 24 24"
                          ><g id="evaArrowUpFill0"
                            ><g id="evaArrowUpFill1"
                              ><path
                                id="evaArrowUpFill2"
                                fill="#FF2F1F"
                                d="M16.21 16H7.79a1.76 1.76 0 0 1-1.59-1a2.1 2.1 0 0 1 .26-2.21l4.21-5.1a1.76 1.76 0 0 1 2.66 0l4.21 5.1A2.1 2.1 0 0 1 17.8 15a1.76 1.76 0 0 1-1.59 1Z"
                              /></g
                            ></g
                          ></svg
                        >
                        <span class="text-[#FF2F1F]"
                          >{item.changesPercentage?.toFixed(2)}%
                        </span>
                      {/if}
                    </div>
                  </div>
                </div>
              </td>
            </tr>
          {/each}
        </tbody>
      </table>
    </div>
  </div>
</section>