feat: notify me

community/www/courses/course.html

@@ -58,6 +58,12 @@
         Continue Learning <img class="ml-2" src="/assets/community/icons/white-arrow.svg" />
       </a>
       {% endif %}
+      {% if course.upcoming %}
+      <button class="button wide-button is-default" id="notify-me" data-course="{{course.name | urlencode}}"
+      {% if is_user_interested %} disabled="disabled" title="Your interest has already been noted." {% endif %} >
+        Notify me when available
+      </button>
+      {% endif %}
       {% if course.video_link %}
       <div class="button wide-button is-secondary video-preview">
         Watch Video Preview

community/www/courses/course.js

@@ -41,6 +41,10 @@ frappe.ready(() => {
     submit_review(e);
   })
 
+  $("#notify-me").click((e) => {
+    notify_user(e);
+  })
+
 })
 
 var check_mentor_request = () => {
@@ -209,3 +213,23 @@ var submit_review = (e) => {
     }
   })
 }
+
+var notify_user = (e) => {
+  e.preventDefault();
+  var course = decodeURIComponent($(e.currentTarget).attr("data-course"));
+  if (frappe.session.user == "Guest") {
+    window.location.href = `/login?redirect-to=/courses/${course}`;
+    return;
+  }
+
+  frappe.call({
+    method: "community.lms.doctype.lms_course_interest.lms_course_interest.capture_interest",
+    args: {
+      "course": course
+    },
+    callback: (data) => {
+      frappe.msgprint(__("Your interest has been noted. We'll notify you via email when this course becomes available."));
+      $("#notify-me").attr("disabled", true).attr("title", "Your interest has already been noted");
+    }
+  })
+}

community/www/courses/course.py

@@ -18,9 +18,18 @@ def get_context(context):
     membership = course.get_membership(frappe.session.user)
     context.course.query_parameter = "?batch=" + membership.batch if membership and membership.batch else ""
     context.membership = membership
+    if context.course.upcoming:
+        context.is_user_interested = get_user_interest(context.course.name)
     context.metatags = {
         "title": course.title,
         "image": course.image,
         "description": course.short_introduction,
         "keywords": course.title
     }
+
+def get_user_interest(course):
+    return frappe.db.count("LMS Course Interest",
+            {
+                "course": course,
+                "user": frappe.session.user
+            })