Wiki source code of Attachments JSON Service

Last modified by Administrator on 2009/09/29 04:02
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{{velocity}}
## ============================================================================================
## This page is called from live grids via Ajax with the argument xpage=plain. It returns a
## set of results serialized in JSON.
## @programming This service page needs to be saved by a user with the programming access level
## to work as expected
## ============================================================================================
#if ("$!request.get('xpage')" == 'plain')
  #set ($offset = $util.parseInt($request.get('offset')))
  ## offset starts from 0 in velocity and 1 in javascript
  #set ($off = $offset - 1)
  #set ($limit = $util.parseInt($request.get('limit')))
  #set ($title = $request.get('doc.name'))
  #set ($author = $request.get('doc.author'))
  #set ($space = $request.get('doc.space'))
  #set ($filename = $request.filename)
  #set ($formatDate = 'yyyy MMMM dd, HH:mm')
  #set ($query = '')
  #set ($queryParameters = [])
  #if ($title)
    #set ($title = $title.trim().toLowerCase())
    #set ($query = $query + " and lower(doc.name) like ?")
    #set ($discard = $queryParameters.add("%${title}%"))
  #end
  #if ($author)
    #set ($author = $author.trim().toLowerCase())
    #set ($query = $query + " and lower(attach.author) like ?")
    #set ($discard = $queryParameters.add("%${author}%"))
  #end
  #if ($filename)
    #set ($filename = $filename.trim().toLowerCase())
    #set ($query = $query + " and lower(attach.filename) like ?")
    #set ($discard = $queryParameters.add("%${filename}%"))
  #end
  #if ($space)
    #set ($space = $space.trim().toLowerCase())
    #set ($query = $query + " and lower(doc.space) like ?")
    #set ($discard = $queryParameters.add("%${space}%"))
  #end
  ##
  ## Exclude Blacklisted spaces ($blacklistedSpaces is set in xwikivars.vm)
  ##
  #if (!$hasAdmin)
    #foreach ($blacklistedSpace in $blacklistedSpaces)
      #set ($query = "${query} and doc.space <> ?")
      #set ($discard = $queryParameters.add($blacklistedSpace))
    #end
  #end
  #set ($validSortOptions = ['filename', 'doc.name', 'doc.space', 'doc.date', 'doc.author'])
  #if($validSortOptions.contains($request.sort))
    #set ($order = $request.sort)
  #else
    #set ($order = 'attach.filename')
  #end
  #if ($order == 'filename')
    #set ($order = 'attach.filename')
  #end
  #if ("$!request.dir" == 'desc')
    #set ($dir = 'desc')
  #else
    #set ($dir = 'asc')
  #end
  ##
  ## Compute the final query
  ##
  #set ($countQuery = "select count(*) from XWikiDocument as doc, XWikiAttachment as attach where attach.docId=doc.id" + $query)
  #set ($query = "select doc.fullName, attach from XWikiDocument as doc, XWikiAttachment as attach where attach.docId=doc.id" + $query + " order by $order $dir")
  #set ($items = $xwiki.search($query, $limit, $off, $queryParameters))
  #set ($totalItems = $xwiki.search($countQuery, 0, 0, $queryParameters).get(0))
  #set ($returnedItems = $items.size())
  ## ==============================================
  ## json starts
  ## ==============================================
{
"totalrows": $totalItems,
"returnedrows": #if($returnedItems < $limit) $returnedItems #else $limit #end,
"offset": $offset,
"reqNo": $util.parseInt($request.reqNo),
"rows": [
#foreach ($item in $items)
  #set ($docName = $item.get(0))
  #set ($hasAccess = $xwiki.hasAccessLevel('view', $context.user, $docName))
  #set ($attachment = $item.get(1))
  #if ($velocityCount > 1) , #end
  { "acclev" : $hasAccess,
  #if ($hasAccess)
    #set ($document = $xwiki.getDocument($docName))
    "page" : "$escapetool.javascript($document.name)",
    "space" : "$escapetool.javascript($document.space)",
    "fullname" : "$escapetool.javascript($document.fullName)",
    "filename" : "$escapetool.javascript($attachment.filename)",
    "fileurl" : "$document.getAttachmentURL($attachment.filename)",
    "url" : "$document.getURL('view')",
    "spaceurl" : '$xwiki.getURL("${document.space}.WebHome")',
    "date" : "$xwiki.formatDate($attachment.date, $formatDate)",
    "author" : "$!escapetool.javascript($attachment.author)",
    "authorname" : "$!escapetool.javascript($xwiki.getDocument($attachment.author).name)",
    "authorurl" : "$xwiki.getURL($attachment.author)",
    "type" : "$!escapetool.javascript($attachment.getMimeType($context.context))"
  #else
    "fullname": "$escapetool.javascript($docName)"
  #end
  }
#end
]}
## ==============================================
## json ended
## ==============================================
#end
{{/velocity}}
Wiki source code of Attachments JSON Service

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