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===== Learnexa Content Update Feature =====

==== Requirement ====

1) Admin/Instructor should be able to update the contents created by them.

2) There should also be an option to auto publish the content based on time periods.

3) Users enrolled to these updated contents should be notified and provided an option to refresh the content.

==== Implementation ====

1) In content edit lightbox "Update Content" button should be added, on clicking that it should provide a form to add new item to the content.

2) Once new item is added, all the items of that content should be listed. Beside each item "Publish" link should be shown, the currently active item will have "Published" text mentioned. Only one item can be published at a time, which means a content can have only one active item.

3) Beside each items listed in the content, there should be an optional date time field to set from when the item can be published automatically. The active item will have "Effective Now" text shown instead of date time field. This is to auto publish the items from certain time period.

4) If user is enrolled to a course, the contents of that course will show only the item that got published during course enrolled. Even if that item it set to unpublished state, the same be be seen by the user. The updated contents will reflect on future enrollments only.

5) Enrolled user can get a notification mentioning that the content has been updated and if he would like to refresh the content. This notification will only be should for active enrollments and the progress/score will be reset for the content post refresh.

==== Database Changes ====

1) Add a new table to add multiple items for content

Table name - content_versions

content_versions belongs_to content

Also remove contentable_id, contentable_type columns from content table.

2) Add a new table to save content version details to be viewed by enrolled users

Table name - enrolled_contents

enrolled_contents belongs_to enrollments

content has_many enrolled_contents

==== UI Template ====

Following are the UI templates for updating video contents, the same will be applicable for documents, scorm and tincan contents. Web page and Quiz type contents UI stays the same no changes required.

1) On Clicking "Edit" link

2) On clicking the slider icon, options to add new content versions will be shown

3) Player lightbox UI, to notify user that the content has been updated

Edit summary

Note: By editing this page you agree to license your content under the following license: CC Attribution-Share Alike 4.0 International

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