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Added support for a newsletter (#2517)
In reference to idea: alshedivat/al-folio#2097 In reference to request: alshedivat/al-folio#923 (comment) Added support to integrate a [loops.so](https://loops.so/) mailing list into the site. To use, you need to enable `newsletter` in `_config.yml`. You also must specify a loops endpoint (although I think any mailing list endpoint can work), which you can get when you set up a mailing list on loops. More documentation on loops: [here](https://loops.so/docs/forms/custom-form). Once that is enabled, the behavior is different depending on how you specified your footer to behave in `_config.yml`. If `footer_fixed: true`, then the sign up will appear at the bottom of the about page, as well as at the bottom of blog posts, if you enable `related_posts`. If `footer_fixed: false`, then the newsletter signup will be in the footer (on every page), like it is in on [my website](https://asboyer.com). I'm not attached to the placement of the signup, and you can choose to include it wherever you want with `{% include scripts/newsletter.liquid %}`. Also if you include positional variables into that, you can choose how you center the signup. So `{% include scripts/newsletter.liquid left=true %}` positions the signup bar to the left. Here are some screenshots below: ## Dark version ![image](https://github.com/alshedivat/al-folio/assets/52665298/af7fdb81-6e5f-47a9-958b-4cb93bba9e8f) ## Light version ![image](https://github.com/alshedivat/al-folio/assets/52665298/927f8bc5-b481-448b-ae5e-6f5b1c613243) I think the input field color should probably change to maybe be light for both themes? What do you think? I think the dark background looks cool, but I don't usually see that done like that on other sites. ## Footer fixed ![image](https://github.com/alshedivat/al-folio/assets/52665298/c52f3dc1-0e45-400e-8b71-eeb00d00cb01) ![image](https://github.com/alshedivat/al-folio/assets/52665298/678a2d45-88ab-4d9a-b8cc-9fc6db26d744) ## Footer not fixed ![image](https://github.com/alshedivat/al-folio/assets/52665298/fd2c0228-2bce-4335-ac3c-5cb20a3307e2) ![image](https://github.com/alshedivat/al-folio/assets/52665298/f594b4f2-67e0-4f2b-a3e8-febd579aaf19) To clarify, if footer isn't fixed, the email signup will appear on every page. --------- Co-authored-by: George <31376482+george-gca@users.noreply.github.com>
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Original file line number | Diff line number | Diff line change |
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<div | ||
class="newsletter-form-container" | ||
{% if include.center %} | ||
style="margin: 20px" | ||
{% endif %} | ||
> | ||
<form | ||
class="newsletter-form" | ||
action="https://app.loops.so/api/newsletter-form/{{ site.newsletter.endpoint }}" | ||
method="POST" | ||
style="justify-content: {% if include.left %}flex-start{% elsif include.right %}flex-end{% else %}center{% endif %}" | ||
> | ||
<input | ||
class="newsletter-form-input" | ||
name="newsletter-form-input" | ||
type="email" | ||
placeholder="user@example.com" | ||
required="" | ||
> | ||
|
||
<button | ||
type="submit" | ||
class="newsletter-form-button" | ||
style="justify-content: {% if include.left %}flex-start{% elsif include.right %}flex-end{% else %}center{% endif %}" | ||
> | ||
subscribe | ||
</button> | ||
|
||
<button | ||
type="button" | ||
class="newsletter-loading-button" | ||
style="justify-content: {% if include.left %}flex-start{% elsif include.right %}flex-end{% else %}center{% endif %}" | ||
> | ||
Please wait... | ||
</button> | ||
</form> | ||
|
||
<div | ||
class="newsletter-success" | ||
style="justify-content: {% if include.left %}flex-start{% elsif include.right %}flex-end{% else %}center{% endif %}" | ||
> | ||
<p class="newsletter-success-message">You're subscribed!</p> | ||
</div> | ||
|
||
<div | ||
class="newsletter-error" | ||
style="justify-content: {% if include.left %}flex-start{% elsif include.right %}flex-end{% else %}center{% endif %}" | ||
> | ||
<p class="newsletter-error-message">Oops! Something went wrong, please try again</p> | ||
</div> | ||
|
||
<button | ||
class="newsletter-back-button" | ||
type="button" | ||
onmouseout='this.style.textDecoration="none"' | ||
onmouseover='this.style.textDecoration="underline"' | ||
> | ||
← Back | ||
</button> | ||
</div> | ||
|
||
<script> | ||
function submitHandler(event) { | ||
event.preventDefault(); | ||
var container = event.target.parentNode; | ||
var form = container.querySelector('.newsletter-form'); | ||
var formInput = container.querySelector('.newsletter-form-input'); | ||
var success = container.querySelector('.newsletter-success'); | ||
var errorContainer = container.querySelector('.newsletter-error'); | ||
var errorMessage = container.querySelector('.newsletter-error-message'); | ||
var backButton = container.querySelector('.newsletter-back-button'); | ||
var submitButton = container.querySelector('.newsletter-form-button'); | ||
var loadingButton = container.querySelector('.newsletter-loading-button'); | ||
const rateLimit = () => { | ||
errorContainer.style.display = 'flex'; | ||
errorMessage.innerText = 'Too many signups, please try again in a little while'; | ||
submitButton.style.display = 'none'; | ||
formInput.style.display = 'none'; | ||
backButton.style.display = 'block'; | ||
}; | ||
// Compare current time with time of previous sign up | ||
var time = new Date(); | ||
var timestamp = time.valueOf(); | ||
var previousTimestamp = localStorage.getItem('loops-form-timestamp'); | ||
// If last sign up was less than a minute ago | ||
// display error | ||
if (previousTimestamp && Number(previousTimestamp) + 60000 > timestamp) { | ||
rateLimit(); | ||
return; | ||
} | ||
localStorage.setItem('loops-form-timestamp', timestamp); | ||
submitButton.style.display = 'none'; | ||
loadingButton.style.display = 'flex'; | ||
var formBody = 'userGroup=&email=' + encodeURIComponent(formInput.value); | ||
fetch(event.target.action, { | ||
method: 'POST', | ||
body: formBody, | ||
headers: { | ||
'Content-Type': 'application/x-www-form-urlencoded', | ||
}, | ||
}) | ||
.then((res) => [res.ok, res.json(), res]) | ||
.then(([ok, dataPromise, res]) => { | ||
if (ok) { | ||
// If response successful | ||
// display success | ||
success.style.display = 'flex'; | ||
form.reset(); | ||
} else { | ||
// If response unsuccessful | ||
// display error message or response status | ||
dataPromise.then((data) => { | ||
errorContainer.style.display = 'flex'; | ||
errorMessage.innerText = data.message ? data.message : res.statusText; | ||
}); | ||
} | ||
}) | ||
.catch((error) => { | ||
// check for cloudflare error | ||
if (error.message === 'Failed to fetch') { | ||
rateLimit(); | ||
return; | ||
} | ||
// If error caught | ||
// display error message if available | ||
errorContainer.style.display = 'flex'; | ||
if (error.message) errorMessage.innerText = error.message; | ||
localStorage.setItem('loops-form-timestamp', ''); | ||
}) | ||
.finally(() => { | ||
formInput.style.display = 'none'; | ||
loadingButton.style.display = 'none'; | ||
backButton.style.display = 'block'; | ||
}); | ||
} | ||
function resetFormHandler(event) { | ||
var container = event.target.parentNode; | ||
var formInput = container.querySelector('.newsletter-form-input'); | ||
var success = container.querySelector('.newsletter-success'); | ||
var errorContainer = container.querySelector('.newsletter-error'); | ||
var errorMessage = container.querySelector('.newsletter-error-message'); | ||
var backButton = container.querySelector('.newsletter-back-button'); | ||
var submitButton = container.querySelector('.newsletter-form-button'); | ||
success.style.display = 'none'; | ||
errorContainer.style.display = 'none'; | ||
errorMessage.innerText = 'Oops! Something went wrong, please try again'; | ||
backButton.style.display = 'none'; | ||
formInput.style.display = 'flex'; | ||
submitButton.style.display = 'flex'; | ||
} | ||
var formContainers = document.getElementsByClassName('newsletter-form-container'); | ||
for (var i = 0; i < formContainers.length; i++) { | ||
var formContainer = formContainers[i]; | ||
var handlersAdded = formContainer.classList.contains('newsletter-handlers-added'); | ||
if (handlersAdded) continue; | ||
formContainer.querySelector('.newsletter-form').addEventListener('submit', submitHandler); | ||
formContainer.querySelector('.newsletter-back-button').addEventListener('click', resetFormHandler); | ||
formContainer.classList.add('newsletter-handlers-added'); | ||
} | ||
</script> | ||
|
||
<noscript> | ||
<style> | ||
.newsletter-form-container { | ||
display: none; | ||
} | ||
</style> | ||
</noscript> |
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