Does versioning store the document properties?

[kbpair]

I have applied versioning and I can view the history of a document. This is great, however in the gui I do not see the previous properties of a document. I am assuming they are still there just not displayed in the gui.

My long term goal is to create a hash property for the document. Upon each check in of a new version I would like to compare the new hash with the hash of previous versions.

In my scenario each document should be unique and I need to prevent someone uploading a stale document.

Is versioning the best way to do this?

[kevinr]

Yes the properties are versioned and yes they are not displayed in the current GUI. However they are accesssable in the templating API, so you could use a Custom View template that displays the properties of previous versions of the document. This template gives you an example of what you want:

<#– Shows version history for the current document, with links to previous content versions –>
<#if document?exists>
   <h3>Document Version History for: ${document.name}</h3>
   <table cellspacing=4>
      <tr align=left><th>Version</th><th>Name</th><th>Description</th><th>Created Date</th><th>Creator</th></tr>
      <#list document.versionHistory as record>
         <tr>
            <td><a href="/alfresco${record.url}" target="new">${record.versionLabel}</a></td>
            <td><a href="/alfresco${record.url}" target="new">${record.name}</a></td>
            <td><#if record.description?exists>${record.description}</#if></td>
            <td>${record.createdDate?datetime}</td>
            <td>${record.creator}</td>
         </tr>
      </#list>
   </table>
<#else>
   No document found!
</#if>
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http://wiki.alfresco.com/wiki/Template_Guide

Thanks,

Kevin