Forum Discussion

Han's avatar
Han
Ace
7 years ago

Add a separator if freemarker loop has more than one item

I am new to logic in freemarker and  having trouble adding a separator in a loop if there is more than one item. My current code below is adding a separator, but it appears after my items; <...
  • VikasB's avatar
    VikasB
    7 years ago

    Han

    It would resolve you problem

    ${userType?keep_before_last("|")}

    I may create an issue if a user does not have any role but I think every user will have at least one role.  Right?

    Here is an updated version.  Here is the output https://prnt.sc/jsccwr

     <#assign userTypeCount = 0>
<#assign userType = ""/>
  <#list restadmin("/users/id/${user.id}/roles").roles.role as role>
    <#assign userType += role.name >
    <#assign userTypeCount ++>
 
    <#-- only add separator if user has more than one role -->
      <#assign userType += ' | '>
  </#list>
${userType}
${userType?keep_before_last("|")}
Han's avatar
Han
Ace

VikasB I am not getting any errors. If I remove the += then I overwrite my variable with a pipe, which is not my intended out come. 

I would like to have the user roles displayed with a | separator if it's needed. 

VikasB's avatar
VikasB
Boss
7 years ago

Han

You need to initialize the "userType" initially. Like this  

<#assign userType = ""/>

Here is the corrected version. 

Note: It would add pipe after every role except in between of first and second role. 

 <#assign userTypeCount = 0>
<#assign userType = ""/>
  <#list restadmin("/users/id/${user.id}/roles").roles.role as role>
    <#assign userType += role.name >
    <#assign userTypeCount ++>
 
    <#-- only add separator if user has more than one role -->
    <#if (userTypeCount >1)>
      <#assign userType += ' | '>
     
    </#if>
  </#list>
${userType}

 You need to remove the <#if> condition If you want to add a pipe after the first role also. 

  • Han's avatar
    Han
    Ace
    7 years ago

    VikasB thanks for the reply.  I am defining the var already. I just left that piece of code out of my snippet above. 

    Currently what I am getting displayed for user with one role is: 
    "Contributor |" 

    If  they have two or more roles I get :
    "Administrator | Contributor |"

     

    My desired output for one role is 
    "Contributor"

    and for two would be:
    "Administrator | Contributor "


    I've played around with a few variations of my condition, with similar results. I can't quite figure out what is going on as this is fairly simple logic. 

    • VikasB's avatar
      VikasB
      Boss
      7 years ago

      Han

      It would resolve you problem

      ${userType?keep_before_last("|")}

      I may create an issue if a user does not have any role but I think every user will have at least one role.  Right?

      Here is an updated version.  Here is the output https://prnt.sc/jsccwr

       <#assign userTypeCount = 0>
<#assign userType = ""/>
  <#list restadmin("/users/id/${user.id}/roles").roles.role as role>
    <#assign userType += role.name >
    <#assign userTypeCount ++>
 
    <#-- only add separator if user has more than one role -->
      <#assign userType += ' | '>
  </#list>
${userType}
${userType?keep_before_last("|")}
      • Han's avatar
        Han
        Ace
        7 years ago

        Thanks VikasB, that works perfectly! I was hoping there would be something easy to solve my issue.