#69 - Notify Members of New CMS Items v0.1

<!-- 💙 MEMBERSCRIPT #69 v0.1 💙 DISPLAY ELEMENT IF NEW CMS ITEMS -->
<script>
  document.addEventListener('DOMContentLoaded', async function() {
    const memberstack = window.$memberstackDom;

    // Set this variable to 'YES' or 'NO' depending on whether you want the UI to be displayed for new users
    const displayForNewUsers = 'YES';

    // Only proceed if a member is found
    const member = await memberstack.getCurrentMember();
    if (!member) {
      console.log('No member found, exiting script');
      return;
    }

    async function getUpdatesIDFromJson() {
      try {
        const memberData = await memberstack.getMemberJSON();
        console.log(`Member data: ${JSON.stringify(memberData)}`);
        return memberData?.data?.updatesID || '';
      } catch (error) {
        console.error(`Error in getUpdatesIDFromJson function: ${error}`);
      }
    }

    async function updateUpdatesIDInJson(newUpdatesID) {
      try {
        const memberData = await memberstack.getMemberJSON();
        memberData.data = memberData.data || {};
        memberData.data.updatesID = newUpdatesID;
        console.log(`Updates ID in JSON after update: ${newUpdatesID}`);
        await memberstack.updateMemberJSON({ json: memberData.data });
      } catch (error) {
        console.error(`Error in updateUpdatesIDInJson function: ${error}`);
      }
    }

    async function checkAndUpdateUI() {
      try {
        const element = document.querySelector('[ms-code-update-item]');
        const cmsItem = element.textContent;
        console.log(`CMS item: ${cmsItem}`);

        // Get the current updates ID from JSON
        const updatesIDFromJson = await getUpdatesIDFromJson();
        console.log(`Updates ID from JSON: ${updatesIDFromJson}`);

        // Check displayForNewUsers variable to decide behavior
        if (displayForNewUsers === 'NO' && !updatesIDFromJson) {
          console.log('Updates ID from JSON is undefined, null, or empty, not changing UI');
          return;
        }

        if (cmsItem !== updatesIDFromJson) {
          const uiElements = document.querySelectorAll('[ms-code-update-ui]');
          uiElements.forEach(uiElement => {
            uiElement.style.display = 'block';
            uiElement.style.opacity = '1';
          });
        }

        // Update the updates ID in JSON after the UI has been updated
        await updateUpdatesIDInJson(cmsItem);

      } catch (error) {
        console.error(`Error in checkAndUpdateUI function: ${error}`);
      }
    }

    // Check and update UI when the page loads
    checkAndUpdateUI().catch(error => {
      console.error(`Error in initial functions: ${error}`);
    });
  });
</script>