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DahveedDahveed 

ConnectApi.ChatterFeeds.setIsMutedByMe error ConnectApi:DML currently not allowed

I am working with the chatter in apex APIs. I created a page which lists feeditems and allows the user to mute a feeditem using a checkbox. It worked great until I moved it into a visualforce component and is now giving me a ConnectApi:DML currently not allowed. Is there some kind of capability issue when using chatter ConnectApi through a visualforce component?

Below is the part of the component which parses through the wrapper to show the feed items. When I click the Mark As Read checkbox it throws the error ConnectApi:DML currently not allowed .  However if I put the same code in a normal VF page it works without the error. The system.debug shows the proper Id which needs to be deleted.

<apex:repeat value="{!unreadItems}" var="fItems"> 
                                    <div class="slds-media slds-comment slds-hint-parent">
                                      <div class="slds-media__figure">
                                        <div class="slds-avatar slds-avatar--circle slds-avatar--medium">
                                          <a href="#void" title="{!fItems.fi.actor.Name}">
                                            <img src="{!fItems.fi.photoUrl}" alt="{!fItems.fi.actor.Name}" />
                                          </a>
                                        </div>
                                      </div>
                                      <div class="slds-media__body">
                                        <div class="slds-grid slds-grid--align-spread slds-has-flexi-truncate">
                                          <p class="slds-truncate"><a href="#void" title="{!fItems.fe.header.text}">{!fItems.fe.header.text}</a></p>
                                           <div class="slds-form-element">
                                              <div class="slds-form-element__control">
                                                <label class="slds-checkbox">

                                                  <apex:inputCheckbox value="{!fItems.markAsRead}" onclick="markAsRead();"/>
                                                  
                                                  <span class="slds-checkbox--faux"></span>
                                                  <span class="slds-form-element__label">Mark As Read</span>
                                                </label>
                                              </div>
                                            </div>
                                          </div>
                                        
                                        <p class="slds-text-body--small"><a href="#void" title="Click for single-item view of this post">{!fItems.fe.relativeCreatedDate}</a></p>
                                        <div class="slds-comment__content slds-text-longform">
                                          <p>{!fItems.fe.body.text}</p>
                                        </div>
                                      </div>
                                    </div>                        
                                  </apex:repeat>
                                  <apex:actionFunction name="markAsRead" action="{!muteMsg}" reRender="nTabsPanelContainer1">
                            
                                  </apex:actionFunction>

Public List<FeedItemWrapper> unreadItems{get;set;}
// I populate the wrapper calling the unreadNote()
    public void unreadNote(){
        //unread.clear();
        unreadItems = new List<FeedItemWrapper>();
        ConnectApi.FeedElementPage fep =ConnectApi.ChatterFeeds.getFeedElementsFromFeed(null,ConnectApi.FeedType.Groups, 'me');
        System.Debug('unread : ' + JSON.serializePretty(fep));
        for(ConnectApi.FeedElement fe : fep.elements){  
            unreadItems.add(new FeedItemWrapper(fe));        
        }       
    }

public PageReference muteMsg(){
        for(FeedItemWrapper fiw: unreadItems){
            if(fiw.markAsRead == true){
                System.Debug('Id being muted : ' + fiw.fi.id);
                ConnectApi.ChatterFeeds.setIsMutedByMe(null,fiw.fi.id,true);
            }
        }
        return null;
    }

    // Wrapper class for  chatter notifications
    public class FeedItemWrapper {
        public Boolean markAsRead {get;set;}
        public ConnectApi.FeedElement fe {get;set;}
        public ConnectAPI.FeedItem fi {get;set;}
        public ConnectApi.FilesCapability sourceca {get;set;}
        public ConnectApi.CommentPage fecomments {get;set;}
        
        public FeedItemWrapper (ConnectApi.FeedElement fit) {
            fe = fit;
            markAsRead = false;
            system.debug(JSON.serializePretty(fe.header));
        
            if (fe.feedElementType == ConnectAPI.FeedElementType.FeedItem) {
                fi = (ConnectAPI.FeedItem)fe;
            }
        
            if (fit.capabilities != NULL) {
                if (fit.capabilities.files != NULL) {
                    sourceca = fit.capabilities.files;
                }
               
                if (fit.capabilities.comments != NULL) {
                    fecomments = fit.capabilities.comments.page ;
                }
            } 
                  
        }
    }

Here is the exert from the debug log.
18:32:48.0 (72445222)|SYSTEM_METHOD_EXIT|[5]|FeedElement
18:32:48.0 (72696983)|HEAP_ALLOCATE|[35]|Bytes:35
18:32:48.0 (72724894)|USER_DEBUG|[35]|DEBUG|Id being muted : 0D57A000002zUrBSAU
18:32:48.0 (72732086)|STATEMENT_EXECUTE|[36]
18:32:48.0 (72737454)|HEAP_ALLOCATE|[36]|Bytes:14
18:32:48.0 (72779459)|VARIABLE_ASSIGNMENT|[EXTERNAL]|this|{"fe":"0x7da92efc","fecomments":"0xc9094dd","fi":"0x7da92efc","markAsRead":true}|0x5f26855a
18:32:48.0 (72885369)|HEAP_ALLOCATE|[36]|Bytes:953
18:32:48.0 (72894786)|SYSTEM_METHOD_ENTRY|[5]|ChatterFeeds.ChatterFeeds()
18:32:48.0 (72897158)|STATEMENT_EXECUTE|[5]
18:32:48.0 (72903311)|SYSTEM_METHOD_EXIT|[5]|ChatterFeeds
18:32:48.0 (72924236)|METHOD_ENTRY|[36]||ConnectApi.ChatterFeeds.setIsMutedByMe(String, String, Boolean)
18:32:48.0 (202377656)|METHOD_EXIT|[36]||ConnectApi.ChatterFeeds.setIsMutedByMe(String, String, Boolean)
18:32:48.0 (202399885)|SYSTEM_MODE_EXIT|false
18:32:48.0 (202499469)|FATAL_ERROR|System.LimitException: ConnectApi:DML currently not allowed Class.ConnectApi.ChatterFeeds.setIsMutedByMe: line 232, column 1 Class.SM_Notifications.muteMsg: line 36, column 1
18:32:48.0 (202514491)|CODE_UNIT_FINISHED|SM_Notifications invoke(muteMsg)
Best Answer chosen by Dahveed
DahveedDahveed
For anyone dealing with this I just needed the allowDML="true" on the component. The ConnectApi counts as a DML. <apex:component controller="Notifications" allowDML="true">