Wiki source code of UpdateRatings

Last modified by Holger Dick on 2010/08/20 15:48
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  1: <%
  2: ratdoc = xwiki.getDocument("XWiki.RatStats")
  3: rat2doc = xwiki.getDocument("XWiki.RatingStats")
  4: userList = xwiki.getArrayList()
  5: topUsers = xwiki.getHashMap()
  6: pageList = xwiki.getArrayList()
  7: pageRatings = xwiki.getHashMap()
  8: existingUsersIndex = xwiki.getHashMap()
  9: existingPagesIndex = xwiki.getHashMap()
 10: Comparator comparator = Collections.reverseOrder();
 11: allRatings = ratdoc.getObjects("XWiki.RatingClass")
 12: allPerUserRatings = rat2doc.getObjects('XWiki.PerUserRatingsClass')
 13: allPerPageRatings = rat2doc.getObjects('XWiki.PerPageRatingsClass')
 14: 
 15: /* Create a hashtable with all users and the count of their ratings */
 16: for(rating in allRatings)
 17:   {   
 18:      /* --- first the top-rater statistics --- */
 19:      user = ratdoc.display("user", rating)
 20:      page = ratdoc.display("page", rating)
 21:      stars = ratdoc.display("rating", rating).toInteger()
 22:       
 23:      if (userList.contains(user))
 24:      {
 25:          currentCount = topUsers.get(user, rating)
 26:          currentCount ++
 27:          topUsers.put(user, currentCount)
 28:       }
 29:      else
 30:      {
 31:          userList.add(user)
 32:          topUsers.put(user, 1)
 33:       }
 34:      
 35:      /* --- And now the ratings per page statistics --- */
 36:      if (pageList.contains(page))
 37:      {
 38:          upAndDown = pageRatings.get(page)
 39:          if(stars > 3)
 40:          {
 41:              upAndDown[0]++
 42:          }else{
 43:              upAndDown[1]++
 44:          }
 45:          pageRatings.put(page, upAndDown)
 46:      }else{
 47:          int[] upAndDown = new int[2]
 48:          if(stars > 3)
 49:           {
 50:               upAndDown[0] = 1
 51:               upAndDown[1] = 0
 52:            }else{
 53:               upAndDown[0] = 0
 54:               upAndDown[1] = 1
 55:           }
 56:           pageRatings.put(page, upAndDown)
 57:           pageList.add(page)
 58:      }
 59:   
 60:  }
 61: 
 62: /* now we want to save the results as objects in another page so that they can
 63: be easily retrieved. First, we check what users already have entries. */
 64: int i = 0
 65: for(user in allPerUserRatings)
 66:   {
 67:     username = rat2doc.display("username", user)
 68:     existingUsersIndex.put(username, i)
 69:     i++
 70: }
 71: 
 72: /* save the count of ratings given for each user as an object of the class
 73: 'XWiki.PerUserRatingsClass'. If the user already has an object, we will change
 74: this. Otherwise, a new one gets created. */
 75: for(user in userList)
 76:   {
 77:      count = topUsers.get(user).toInteger()
 78:     if(existingUsersIndex.containsKey(user))
 79:     {
 80:         currentIndex = existingUsersIndex.get(user)
 81:         perUserObject = rat2doc.getObject('XWiki.PerUserRatingsClass', currentIndex)
 82:         perUserObject.set('numberOfRatings', count)
 83:     }else{
 84:         perUserObject = rat2doc.newObject('XWiki.PerUserRatingsClass')
 85:         perUserObject.set('username', user)
 86:         perUserObject.set('numberOfRatings', count)
 87:     }
 88:   }
 89: 
 90: /* Now, let's save the statistics per page - similar to per user*/
 91: i = 0
 92: for(page in allPerPageRatings)
 93:    {
 94:      pagename = rat2doc.display("pagename", page)
 95:      existingPagesIndex.put(pagename, i)
 96:      i++
 97:  }
 98: for(page in pageList)
 99:    {
100:      upAndDowns = pageRatings.get(page)
101:      if(existingPagesIndex.containsKey(page))
102:      {
103:         currentIndex = existingPagesIndex.get(page)
104:         perPageObject = rat2doc.getObject('XWiki.PerPageRatingsClass', currentIndex)
105:         perPageObject.set('upratings', upAndDowns[0].toInteger())
106:         perPageObject.set('downratings', upAndDowns[1].toInteger())
107:      }else{
108:          perPageObject = rat2doc.newObject('XWiki.PerPageRatingsClass')
109:          perPageObject.set('pagename', page)
110:          perPageObject.set('upratings', upAndDowns[0].toInteger())
111:          perPageObject.set('downratings', upAndDowns[1].toInteger())
112:      }
113:    }
114: 
115: /* Finally, we save the changes to the objects */
116: rat2doc.save('Updated Stats', true)
117:   
118:  /* Print the (up to) 5 users with the most rating
119: !< currently it sorts by users names, not their contributions
120:  sortedList = userList.sort(comparator)
121:  if(sortedList.size() > 5)
122:  {
123:      sortedList.removeRange(5, sortedList.size())
124:  }
125:  */
126:   
127: %>
Wiki source code of UpdateRatings

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