From 21f762385936b326dc0ce60da81bb96d0a0d9e49 Mon Sep 17 00:00:00 2001
From: aymm <max.nuding@icloud.com>
Date: Sun, 28 Mar 2021 13:15:54 +0200
Subject: [PATCH] Added vote button en/disabling, remaining vote count

---
 scripts/poll.js  | 35 ++++++++++++++++++++++++++++++++---
 styles/style.css | 30 +++++++++++++++++++++++++++++-
 view_poll.php    | 38 +++++++++++++++++++++++++++++++-------
 3 files changed, 92 insertions(+), 11 deletions(-)

diff --git a/scripts/poll.js b/scripts/poll.js
index 09ee8a1..750cfb7 100644
--- a/scripts/poll.js
+++ b/scripts/poll.js
@@ -1,10 +1,39 @@
-window.addEventListener('DOMContentLoaded', (event) => {
+window.addEventListener('DOMContentLoaded', () => {
   displayLocalTimestamps();
+  for (const el of document.querySelectorAll('.option input[type=checkbox]')) {
+    el.onclick = updateVotesRemaining;
+  }
 });
 
 function displayLocalTimestamps() {
   for (const el of document.getElementsByTagName('time')) {
-    let dateObj = new Date(el.getAttribute('datetime'));
-    el.innerText = dateObj.toLocaleString();
+    const dateObj = new Date(el.getAttribute('datetime'));
+    const relDate = compareDateToToday(dateObj);
+    el.innerText = relDate === 0
+      ? `Today, ${dateObj.toLocaleTimeString()}`
+      : dateObj.toLocaleDateString();
   }
+}
+
+function compareDateToToday(date) {
+  const today = new Date();
+  if (today.getDate() === date.getDate()
+    && today.getMonth() === date.getMonth()
+    && date.getFullYear() === today.getFullYear()) {
+    return 0;
+  }
+  today.setHours(0, 0, 0, 0);
+  return today > date ? -1 : 1;
+}
+
+function updateVotesRemaining() {
+  const numChecked = document.querySelectorAll('.option input[type=checkbox]:checked').length;
+  const votesRemainingElement = document.querySelector('.votes-remaining');
+  const total = votesRemainingElement.dataset.maxVotes;
+  const remaining = Math.max(0, total - numChecked);
+  const plural = remaining === 1 ? '' : 's';
+  votesRemainingElement.innerText = `${remaining} Vote${plural} remaining`;
+  const voteButton = document.querySelector('button[name=submit_vote]');
+  const canVoteInitial = voteButton.dataset.canVote === 'true';
+  voteButton.disabled = !canVoteInitial || (total - numChecked) < 0 || numChecked === 0;
 }
\ No newline at end of file
diff --git a/styles/style.css b/styles/style.css
index 9dc67ca..8acb4d8 100644
--- a/styles/style.css
+++ b/styles/style.css
@@ -3,7 +3,8 @@
   --main-bg-color: rgb(48, 48, 48);
   --secondary-bg-color: rgba(10, 10, 10, 0.7);
   --main-fg-color: white;
-  --main-accent-color: rgb(253, 122, 0)
+  --main-accent-color: rgb(253, 122, 0);
+  --disabled-color: gray;
 }
 @supports (color: color(display-p3 1 1 1)) {
   :root {
@@ -28,6 +29,29 @@ body {
   font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Cantarell, "Helvetica Neue", Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
 }
 
+button {
+  background-color: var(--main-accent-color);
+  outline: 1px solid var(--main-fg-color);
+  color: var(--main-fg-color);
+  cursor: pointer;
+  border: none;
+  transition: all 0.2s;
+}
+
+button:hover:not(:disabled) {
+  box-shadow: 4px 6px 3px 0 var(--secondary-bg-color);
+  transform: translate(-2px, -2px);
+}
+
+button:disabled {
+  background-color: var(--disabled-color);
+  cursor: not-allowed;
+}
+
+.hidden {
+  display: none;
+}
+
 /* Header */
 header {
   display: flex;
@@ -93,3 +117,7 @@ datewrapper time {
   grid-template-columns: auto 1fr;
   grid-column-gap: 8px;
 }
+
+.votes-remaining {
+  font-size: small;
+}
diff --git a/view_poll.php b/view_poll.php
index d4b4e39..8538636 100644
--- a/view_poll.php
+++ b/view_poll.php
@@ -42,6 +42,15 @@ $disabled = $poll->canVote() ? '' : 'disabled';
 $user_name = $poll->user->name ?? '';
 $created_at = $poll->created_at;
 $closed_at = $poll->closed_at;
+$user_votes = $poll->getMyVotes();
+
+$votes_remaining = $poll->max_options - count($user_votes);
+$votes_remaining_plural = $votes_remaining === 1 ? '' : 's';
+$votes_remaining_text = "$votes_remaining Vote$votes_remaining_plural remaining";
+$votes_remaining_hidden = $poll->canVote() ? '' : ' hidden';
+$data_can_vote = $poll->canVote() ? 'true' : 'false';
+$disabled_button = ($poll->canVote() && count($user_votes) > 0) ? '' : 'disabled';
+
 
 ?>
 <div class="poll">
@@ -64,9 +73,16 @@ $closed_at = $poll->closed_at;
         </time>
       </div>
     </div>
-    <span class="prompt"><em><?= $poll->prompt ?></em></span>
+    <span class="prompt">
+      <em><?= $poll->prompt ?></em><br>
+      <span
+        class="votes-remaining <?= $votes_remaining_hidden ?>"
+        data-max-votes="<?= $poll->max_options ?>"><?= $votes_remaining_text ?>
+      </span>
+    </span>
   </div>
   <div class="options">
+    <form>
     <?php
     $row = 1;
     $user_args = [
@@ -76,16 +92,24 @@ $closed_at = $poll->closed_at;
     foreach ($poll->options as $option) {
       $checked = $option->is_your_response ? 'checked' : ''; ?>
         <div class="option" style="grid-row: <?= $row ?>;">
-        <input type="checkbox" <?= $checked.' '.$disabled ?>/>
-        <span class="option-text"><?= $option->text . ' (' . $option->respondents . ')'?></span>
-      </div>
-      <div class="option-responses" style="grid-row: <?= $row++ ?>;grid-column: 2;">
+          <input type="checkbox" <?= $checked.' '.$disabled ?>/>
+          <span class="option-text"><?= $option->text . ' (' . $option->respondents . ')'?></span>
+        </div>
+        <div class="option-responses" style="grid-row: <?= $row++ ?>;grid-column: 2;">
         <?php foreach ($option->respondent_ids as $res_id) {
           $u = $api->getUser($res_id, $user_args); ?>
-        <img src="<?= $u->getAvatarUrl(20) ?>" class="avatar" title="@<?= $u->username ?>">
+          <img src="<?= $u->getAvatarUrl(20) ?>" class="avatar" title="@<?= $u->username ?>">
         <?php } ?>
-      </div>
+        </div>
     <?php } ?>
+    <button
+      type="submit"
+      name="submit_vote"
+      value="submit" <?= $disabled_button?>
+      data-can-vote="<?= $data_can_vote ?>">
+      Vote
+    </button>
+    </form>
   </div>
 </div>