Functionality to limit number of attendees

7 files changed, 150 insertions, 20 deletions

diff --git a/app.js b/app.js
index 9a82abe..a8d2889 100755
--- a/app.js
+++ b/app.js
@@ -16,8 +16,28 @@ const app = express();
 
 
 // View engine //
-
-app.engine('handlebars', hbs({defaultLayout: 'main'}));
+hbsInstance = hbs.create({
+    defaultLayout: 'main',
+    partialsDir: ['views/partials/'],
+    helpers: {
+        plural: function(number, text) {
+            var singular = number === 1;
+            // If no text parameter was given, just return a conditional s.
+            if (typeof text !== 'string') return singular ? '' : 's';
+            // Split with regex into group1/group2 or group1(group3)
+            var match = text.match(/^([^()\/]+)(?:\/(.+))?(?:\((\w+)\))?/);
+            // If no match, just append a conditional s.
+            if (!match) return text + (singular ? '' : 's');
+            // We have a good match, so fire away
+            return singular && match[1] // Singular case
+                ||
+                match[2] // Plural case: 'bagel/bagels' --> bagels
+                ||
+                match[1] + (match[3] || 's'); // Plural case: 'bagel(s)' or 'bagel' --> bagels
+        }
+    }
+});
+app.engine('handlebars', hbsInstance.engine);
 app.set('view engine', 'handlebars');
 
 // Static files //
diff --git a/models/Event.js b/models/Event.js
index 90c8117..43af171 100755
--- a/models/Event.js
+++ b/models/Event.js
@@ -155,6 +155,9 @@ const EventSchema = new mongoose.Schema({
 		default: true
 	},
 	attendees: [Attendees],
+	maxAttendees: {
+		type: Number
+	},
 	comments: [CommentSchema]
 });
 
diff --git a/public/css/style.css b/public/css/style.css
index 43d9997..122c6ad 100755
--- a/public/css/style.css
+++ b/public/css/style.css
@@ -292,6 +292,23 @@ body, html {
 	margin-top: 0.5rem;
 }
 
+#maxAttendeesContainer {
+	display: none;
+}
+#maxAttendeesCheckboxContainer {
+	display: none;
+}
+
+.edit-buttons {
+	text-align: right;
+}
+
+@media (max-width: 1199.98px) {
+	.edit-buttons {
+		text-align: left;
+	}
+}
+
 @media (min-width: 577px) {
 	#sidebar {
 		border-right: 2px solid #e0e0e0;
diff --git a/routes.js b/routes.js
index fde1b86..4e665ba 100755
--- a/routes.js
+++ b/routes.js
@@ -244,6 +244,13 @@ router.get('/:eventID', (req, res) => {
 					}
 				}
 				let eventAttendees = event.attendees.sort((a,b) => (a.name > b.name) ? 1 : ((b.name > a.name) ? -1 : 0));
+                let spotsRemaining, noMoreSpots;
+                if (event.maxAttendees) {
+                    spotsRemaining = event.maxAttendees - eventAttendees.length;
+                    if (spotsRemaining <= 0) {
+                        noMoreSpots = true;
+                    }
+                }
 				let metadata = {
 					title: event.name,
 					description: marked(event.description, { renderer: render_plain()}).split(" ").splice(0,40).join(" ").trim(),
@@ -256,6 +263,8 @@ router.get('/:eventID', (req, res) => {
 					escapedName: escapedName,
 					eventData: event,
 					eventAttendees: eventAttendees,
+                    spotsRemaining: spotsRemaining,
+                    noMoreSpots: noMoreSpots,
 					eventStartISO: eventStartISO,
 					eventEndISO: eventEndISO,
 					parsedLocation: parsedLocation,
@@ -334,6 +343,7 @@ router.post('/newevent', (req, res) => {
 		usersCanAttend: req.body.joinCheckbox ? true : false,
 		showUsersList: req.body.guestlistCheckbox ? true : false,
 		usersCanComment: req.body.interactionCheckbox ? true : false,
+        maxAttendees: req.body.maxAttendees,
 		firstLoad: true
 	});
 	event.save()
@@ -470,7 +480,9 @@ router.post('/editevent/:eventID/:editToken', (req, res) => {
 				image: eventImageFilename,
 				usersCanAttend: req.body.joinCheckbox ? true : false,
 				showUsersList: req.body.guestlistCheckbox ? true : false,
-				usersCanComment: req.body.interactionCheckbox ? true : false
+				usersCanComment: req.body.interactionCheckbox ? true : false,
+                maxAttendees: req.body.maxAttendeesCheckbox ? req.body.maxAttendees : null,
+
 			}
 			Event.findOneAndUpdate({id: req.params.eventID}, updatedEvent, function(err, raw) {
 				if (err) {
diff --git a/views/event.handlebars b/views/event.handlebars
index fdbc7cf..a4d714d 100755
--- a/views/event.handlebars
+++ b/views/event.handlebars
@@ -8,7 +8,7 @@
 		<h3 id="eventName">{{eventData.name}}</h3>
 	</div>
 	{{#if editingEnabled}}
-	<div class="col-lg-2 ml-2">
+	<div class="col-lg-2 ml-2 edit-buttons">
 		<div class="btn-group" role="group" aria-label="Event controls">
 			<button type="button" id="editEvent" class="btn btn-success" data-toggle="modal" data-target="#editModal" {{#if eventHasConcluded}}disabled{{/if}}><i class="fas fa-edit"></i></button>
 			<button type="button" id="deleteEvent" class="btn btn-danger" data-toggle="modal" data-target="#deleteModal"><i class="fas fa-trash"></i></button>
@@ -102,11 +102,20 @@
 <div class="card mb-4" id="eventAttendees">
 	<h5 class="card-header">Attendees {{#if eventAttendees}}({{eventAttendees.length}}){{/if}}
 		<div class="btn-group" role="group" aria-label="Attendance controls">
-			<button type="button" id="attendEvent" class="btn btn-success" data-toggle="modal" data-target="#attendModal"><i class="fas fa-user-plus"></i> Add me</button>
+			{{#unless noMoreSpots}}
+				<button type="button" id="attendEvent" class="btn btn-success" data-toggle="modal" data-target="#attendModal"><i class="fas fa-user-plus"></i> Add me</button>
+			{{/unless}}
 			<button type="button" id="unattendEvent" class="btn btn-secondary" data-toggle="modal" data-target="#unattendModal"><i class="fas fa-user-times"></i> Remove me</button>
 		</div>
 	</h5>
 	<div class="card-body">
+		{{#if eventData.maxAttendees}}
+			{{#if noMoreSpots}}
+				<div class="alert alert-warning text-center">This event is at capacity.</div>
+			{{else}}
+				<div class="alert alert-warning text-center">{{spotsRemaining}} {{plural spotsRemaining "spot(s)"}} remaining - add yourself now!</div>
+			{{/if}}
+		{{/if}}
 		{{#if eventAttendees}}
 			<ul class="attendeesList">
 				{{#each eventAttendees}}
@@ -384,6 +393,30 @@
 			setTimeout(function(){ $("#copyEventLink").html('<i class="fas fa-copy"></i> Copy');}, 5000);
 		})
 		$(".daysToDeletion").html(moment("{{eventEndISO}}").add(7, 'days').fromNow());
+		if ($("#joinCheckbox").is(':checked')){
+			$("#maxAttendeesCheckboxContainer").css("display","flex");
+		}
+		$("#maxAttendeesCheckbox").on("click", function() {
+            if ($(this).is(':checked')) {
+                $("#maxAttendeesContainer").slideDown('fast').css("display","flex");
+                $("#maxAttendees").attr("data-validation-optional","false");
+            }
+            else {
+                $("#maxAttendeesContainer").slideUp('fast');
+                $("#maxAttendees").attr("data-validation-optional","true").val("").removeClass('is-valid is-invalid');
+            }
+        });
+        $("#joinCheckbox").on("click", function() {
+            if ($(this).is(':checked')) {
+                $("#maxAttendeesCheckboxContainer").slideDown('fast').css("display","flex");
+            }
+            else {
+                $("#maxAttendeesCheckboxContainer").slideUp('fast');
+                $("#maxAttendeesCheckbox").prop("checked",false);
+                $("#maxAttendeesContainer").slideUp('fast');
+                $("#maxAttendees").attr("data-validation-optional","true").val("").removeClass('is-valid is-invalid');
+            }
+        });
 	});
 
 	</script>
diff --git a/views/partials/editeventmodal.handlebars b/views/partials/editeventmodal.handlebars
index ceb172b..68c8f80 100644
--- a/views/partials/editeventmodal.handlebars
+++ b/views/partials/editeventmodal.handlebars
@@ -7,7 +7,7 @@
           <span aria-hidden="true">&times;</span>
         </button>
       </div>
-      <form id="editEventForm" action="/editevent/{{eventData.id}}/{{eventData.editToken}}" method="post" enctype="multipart/form-data">
+      <form id="editEventForm" action="/editevent/{{eventData.id}}/{{eventData.editToken}}" method="post" enctype="multipart/form-data" autocomplete="off">
 			<div class="modal-body">
 				<div class="form-group row">
 					<label for="eventName" class="col-sm-2 col-form-label">Event name</label>
@@ -34,7 +34,7 @@
 					</div>
 				</div>
 				  <div class="form-group row">
-					<label for="timezone" class="col-sm-2 col-form-label">Timezone</label> 
+					<label for="timezone" class="col-sm-2 col-form-label">Timezone</label>
 					<div class="form-group col-sm-10">
 						<select class="select2" id="timezone" name="timezone"></select>
 					</div>
@@ -71,20 +71,32 @@
      		<div class="form-group row">
 					<div class="col-sm-2">Options</div>
 					<div class="col-sm-10">
+                        <div class="form-check">
+                            <input class="form-check-input" type="checkbox" id="interactionCheckbox" name="interactionCheckbox" {{#if eventData.usersCanComment}}checked{{/if}}>
+                            <label class="form-check-label" for="interactionCheckbox">
+                                Users can post comments on this event
+                            </label>
+                        </div>
 						<div class="form-check">
-							<input class="form-check-input" type="checkbox" id="joinCheckbox" name="joinCheckbox" {{#if eventData.usersCanAttend}}checked{{/if}}>
+							<input class="form-check-input {{#unless eventData.usersCanAttend}}unchecked{{/unless}}" type="checkbox" id="joinCheckbox" name="joinCheckbox" {{#if eventData.usersCanAttend}}checked{{/if}}>
 							<label class="form-check-label" for="joinCheckbox">
 								Users can mark themselves as attending this event
 							</label>
 						</div>
-						<div class="form-check">
-							<input class="form-check-input" type="checkbox" id="interactionCheckbox" name="interactionCheckbox" {{#if eventData.usersCanComment}}checked{{/if}}>
-							<label class="form-check-label" for="interactionCheckbox">
-								Users can post comments on this event
-							</label>
-						</div>
+                        <div class="form-check" id="maxAttendeesCheckboxContainer" {{#if eventData.maxAttendees}}style="display:flex"{{/if}}>
+                          <input class="form-check-input" type="checkbox" id="maxAttendeesCheckbox" name="maxAttendeesCheckbox" {{#if eventData.maxAttendees}}checked{{/if}}>
+                          <label class="form-check-label" for="maxAttendeesCheckbox">
+                            Set a limit on the maximum number of attendees
+                          </label>
+                        </div>
 					</div>
 				</div>
+                <div class="form-group row" id="maxAttendeesContainer" {{#if eventData.maxAttendees}}style="display:flex"{{/if}}>
+                  <label for="maxAttendees" class="col-sm-2 col-form-label">Attendee limit</label>
+                  <div class="form-group col-sm-10">
+                    <input type="number" class="form-control" id="maxAttendees" name="maxAttendees" placeholder="Enter a number." data-validation="number" data-validation-optional="true" value="{{eventData.maxAttendees}}">
+                  </div>
+                </div>
       </div>
       <div class="modal-footer">
         <button type="button" class="btn btn-secondary" data-dismiss="modal">Close</button>
@@ -93,4 +105,4 @@
       </form>
     </div>
   </div>
-</div>
\ No newline at end of file
+</div>
diff --git a/views/partials/neweventform.handlebars b/views/partials/neweventform.handlebars
index bf6d0ed..51d1695 100755
--- a/views/partials/neweventform.handlebars
+++ b/views/partials/neweventform.handlebars
@@ -25,7 +25,7 @@
     </div>
   </div>
   <div class="form-group row">
-    <label for="timezone" class="col-sm-2 col-form-label">Timezone</label> 
+    <label for="timezone" class="col-sm-2 col-form-label">Timezone</label>
     <div class="form-group col-sm-10">
       <select class="select2" id="timezone" name="timezone"></select>
     </div>
@@ -81,19 +81,31 @@
     <div class="col-sm-2">Options</div>
     <div class="col-sm-10">
       <div class="form-check">
+        <input class="form-check-input" type="checkbox" id="interactionCheckbox" name="interactionCheckbox">
+        <label class="form-check-label" for="interactionCheckbox">
+          Users can post comments on this event
+        </label>
+      </div>
+      <div class="form-check">
         <input class="form-check-input" type="checkbox" id="joinCheckbox" name="joinCheckbox">
         <label class="form-check-label" for="joinCheckbox">
           Users can mark themselves as attending this event
         </label>
       </div>
-      <div class="form-check">
-        <input class="form-check-input" type="checkbox" id="interactionCheckbox" name="interactionCheckbox">
-        <label class="form-check-label" for="interactionCheckbox">
-          Users can post comments on this event
+      <div class="form-check" id="maxAttendeesCheckboxContainer">
+        <input class="form-check-input" type="checkbox" id="maxAttendeesCheckbox" name="maxAttendeesCheckbox">
+        <label class="form-check-label" for="maxAttendeesCheckbox">
+          Set a limit on the maximum number of attendees
         </label>
       </div>
     </div>
   </div>
+  <div class="form-group row" id="maxAttendeesContainer">
+    <label for="maxAttendees" class="col-sm-2 col-form-label">Attendee limit</label>
+    <div class="form-group col-sm-10">
+      <input type="number" class="form-control" id="maxAttendees" name="maxAttendees" placeholder="Enter a number." data-validation="number" data-validation-optional="true">
+    </div>
+  </div>
   <div class="form-group row">
     <div class="col-sm-12 pt-3 pb-3 text-center">
       <button type="submit" class="btn btn-primary w-50">Create</button>
@@ -114,5 +126,26 @@
 			no_label: false
 		});
 		autosize($('textarea'));
+        $("#maxAttendeesCheckbox").on("click", function() {
+            if ($(this).is(':checked')) {
+                $("#maxAttendeesContainer").slideDown('fast').css("display","flex");
+                $("#maxAttendees").attr("data-validation-optional","false");
+            }
+            else {
+                $("#maxAttendeesContainer").slideUp('fast');
+                $("#maxAttendees").attr("data-validation-optional","true").val("").removeClass('is-valid is-invalid');
+            }
+        });
+        $("#joinCheckbox").on("click", function() {
+            if ($(this).is(':checked')) {
+                $("#maxAttendeesCheckboxContainer").slideDown('fast').css("display","flex");
+            }
+            else {
+                $("#maxAttendeesCheckboxContainer").slideUp('fast');
+                $("#maxAttendeesCheckbox").prop("checked",false);
+                $("#maxAttendeesContainer").slideUp('fast');
+                $("#maxAttendees").attr("data-validation-optional","true").val("").removeClass('is-valid is-invalid');
+            }
+        });
 	});
 </script>