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Checkbox Order Form

How to Add Checkbox on the Order Form

June 01, 20233 min read

Use the snippet of code below to add a checkbox that users must select in order to finish a 1-Step or 2-Step-Order form. A link to your terms and conditions may also be included.

Please Note: If PayPal is the only Payment option connected to your account the script below will not work. We will work on finding another solution for those using PayPal only.

<script>
(function () {
  //****
  // If you want to update TOS with the content please add your correct location id
  // And create a blank form and get id then pass that form id on the formId varible
  //****

  const checkBoxLabel = "By checking this box, you agree to our ";
  const termsURL = "https://google.com";
  const termsText = "terms and conditions";

  const location_id = "4f6En2kmrDyqEdKKD68i00"; // Enter your valid location Id
  const formId = "ehVnSNE8GHO71wLkmt6r00"; // Enter a vaild form id
  const customFieldName = "accept_terms_and_conditions"; // Enter your custom field key

  class GOHLTECH_POST_FORM_DATA {
    constructor() {
      this.headers = {
        "Content-Type": "application/json",
      };
      this.baseURL = "https://msgsndr.com/";
    }

    async postFormData(formId, locationId, data, path) {
      const postBody = {
        ...data,
        formId: formId,
        location_id: locationId,
      };

      const requestOptions = {
        method: "POST",
        headers: this.headers,
        body: JSON.stringify(postBody),
        redirect: "follow",
      };

      try {
        const request = await fetch(this.baseURL + path, requestOptions);
        const response = await request.json();
        return response;
      } catch (err) {
        return err;
      }
    }
  }

  function createCheckBoxInnerHTML(checkBoxLabel, termsURL, termsText) {
    return ` ${checkBoxLabel} <a href='${termsURL}' target="_blank">${termsText}</a>`;
  }

  const store = {
    [customFieldName]: "",
  };

  const privacyStyles = `
    .custom_accept_container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    margin-top: 15px;
    margin-bottom: 10px;
    }

    .custom_accept_container label {
    display: inline-flex;
    margin-left: 10px;
    }
  `;

  function appendStyle(stylesheet) {
    const style = document.createElement("style");
    style.innerHTML = stylesheet;
    const head = document.querySelector("head");
    head.append(style);
  }
  appendStyle(privacyStyles);

  const postForm = new GOHLTECH_POST_FORM_DATA();

  function getElementByFn(selector) {
    let elements = [];
    let intervalId;
    return new Promise((res, rej) => {
      intervalId = setInterval(() => {
        elements = document.querySelectorAll(selector);
        if (!elements.length) return;
        clearInterval(intervalId);
        if (elements.length === 1) return res(elements[0]);
        if (elements.length > 1) return res([...elements]);
      }, 300);

      setTimeout(() => {
        if (!elements.length) {
          clearInterval(intervalId);
          res(false);
          console.log(`${selector} elements not found`);
        }
      }, 2000);
    });
  }

  function enableSubmitButton(checkbox, button) {
    if (!button) return console.log("Please provide a button");
    if (!checkbox.checked) {
      button.style.pointerEvents = "none";
      button.style.opacity = 0.5;
      store.accept_terms_and_conditions = "";
    } else {
      button.style.pointerEvents = "auto";
      button.style.opacity = 1;
      store.accept_terms_and_conditions = "Yes";
    }
  }

  async function getStepButton() {
    const stepButton = await getElementByFn(
      ".c-order button.form-btn:not(.c-order .payment-content button.form-btn)",
    );
    if (!stepButton) return console.error("Form Button Not Found");
    stepButton.addEventListener("click", (e) => {
      appendTermsCheckBox();
    });
  }

  async function appendTermsCheckBox() {
    const formButtons = await getElementByFn(
      ".c-order .payment-content button.form-btn",
    );

    if (!formButtons.length) return console.log("Not Buttons Found!");

    formButtons.forEach((formButton, index) => {
      const checkBoxContainer = document.createElement("div");
      checkBoxContainer.classList = "custom_accept_container";
      const chekboxLabel = document.createElement("label");
      chekboxLabel.htmlFor = "accept_terms" + index;
      chekboxLabel.classList = "custom_accept";
      chekboxLabel.innerHTML = createCheckBoxInnerHTML(
        checkBoxLabel,
        termsURL,
        termsText,
      );
      const acceptCheck = document.createElement("input");
      acceptCheck.type = "checkbox";
      acceptCheck.id = "accept_terms" + index;
      checkBoxContainer.append(acceptCheck);
      checkBoxContainer.append(chekboxLabel);
      formButton.parentElement?.insertBefore(checkBoxContainer, formButton);

      if (checkBoxContainer.isConnected) {
        formButton.style.pointerEvents = "none";
        formButton.style.opacity = 0.5;
      }

      formButton.addEventListener("click", async (e) => {
        if (!formId || !location_id)
          return console.log("Location id and form id is required");
        await postForm.postFormData(formId, location_id, store, "form");
      });

      acceptCheck.addEventListener("change", () => {
        enableSubmitButton(acceptCheck, formButton);
      });
    });

    const stepBackButton = await getElementByFn(
      ".c-order .forward-shopping-details",
    );

    if (stepBackButton) {
      stepBackButton.addEventListener("click", getCheckoutType);
      stepBackButton.addEventListener("click", updateStore);
    }
  }

  async function getCheckoutType() {
    const orderForm = await getElementByFn(".c-order");
    if (!orderForm) return console.error("No order form found!");
    let isOneStepForm = orderForm.id.trim().includes("one-step-order");

    if (isOneStepForm) {
      appendTermsCheckBox();
    } else {
      getStepButton();
    }
  }

  async function updateStore() {
    const inputs = await getElementByFn(
      ".c-order .info input:not(input[type='checkbox'],input[type='radio'])",
    );

    if (!inputs.length) return console.log("No inputs found!");

    inputs.forEach((input) => {
      input.addEventListener("input", () => {
        store[input.name.trim()] = input.value;
      });
    });

    let intervalId;
    let isAllInputUpdated = 0;

    intervalId = setInterval(() => {
      inputs.forEach((input) => {
        if (!input.value) return;
        store[input.name.trim()] = input.value;
        isAllInputUpdated++;
        if (isAllInputUpdated === inputs.length) {
          clearInterval(intervalId);
          console.log("Updated");
        }
      });
    }, 200);

    setTimeout(() => {
      clearInterval(intervalId);
    }, 2000);
  }

  updateStore();
  getCheckoutType();
})();

</script>
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