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email_collection()

Description

E-mail a collection to users

- Attempt to resolve all users in the string $userlist to user references.
- Add $collection to these user's 'My Collections' page
- Send them an e-mail linking to this collection
- Handle multiple collections (comma seperated list)

Parameters

ColumnTypeDefaultDescription
$colrefs mixed
$collectionname string
$fromusername string
$userlist string
$message string
$feedback string
$access integer -1
$expires string ""
$useremail string ""
$from_name string ""
$cc string ""
$themeshare boolean false
$themename string ""
$themeurlsuffix string ""
$list_recipients boolean false
$add_internal_access boolean false
$group string ""
$sharepwd string "": string { global $baseurl
$email_from
$applicationname
$lang
$userref
$usergroup;

Location

include/collections_functions.php lines 1985 to 2296

Definition

 
function email_collection($colrefs,$collectionname,$fromusername,$userlist,$message,$feedback,$access=-1,$expires="",$useremail="",$from_name="",$cc="",$themeshare=false,$themename="",$themeurlsuffix="",$list_recipients=false, $add_internal_access=false,$group="",$sharepwd=""): string
    {
    global $baseurl,$email_from,$applicationname,$lang,$userref,$usergroup;
    if ($useremail==""){$useremail=$email_from;}
    if ($group==""){$group=$usergroup;}
    
    if (trim($userlist)=="") {return $lang["mustspecifyoneusername"];}
    $userlist=resolve_userlist_groups($userlist);
    
    if(strpos($userlist,$lang["groupsmart"] . ": ")!==false){
        $groups_users=resolve_userlist_groups_smart($userlist,true);
        if($groups_users!=''){
            if($userlist!=""){
                $userlist=remove_groups_smart_from_userlist($userlist);
                if($userlist!="")
                    {
                    $userlist.=",";
                    }
            }
            $userlist.=$groups_users;
        }
    }

    $ulist=trim_array(explode(",",$userlist));
    $emails=array();
    $key_required=array();
    if ($feedback) {$feedback=1;} else {$feedback=0;}

    $reflist = trim_array(explode(",", $colrefs));
    // Take out the FC category from the list as this is more of a dummy record rather than a collection we'll be giving
    // access to users. See generate_collection_access_key() when collection is a featured collection category.
    $fc_category_ref = ($themeshare ? array_shift($reflist) : null);

    $emails_keys=resolve_user_emails($ulist);
    if(0 === count($emails_keys))
        {
        return $lang['email_error_user_list_not_valid'];
        }

    # Make an array of all emails, whether internal or external
    $emails=$emails_keys['emails'];
    # Make a corresponding array stating whether keys are necessary for the links
    $key_required=$emails_keys['key_required'];

    # Make an array of internal userids which are unexpired approved with valid emails
    $internal_user_ids = $emails_keys['refs'] ?? array();

    if (count($internal_user_ids)>0)
        {
        # Delete any existing collection entries
        ps_query("DELETE FROM user_collection WHERE collection IN (" . ps_param_insert(count($reflist)) . ") 
                AND user IN (" . ps_param_insert(count($internal_user_ids)) . ")",array_merge(ps_param_fill($reflist,"i"),ps_param_fill($internal_user_ids,"i")));
        
        # Insert new user_collection row(s)
        #loop through the collections
        for ($nx1=0;$nx1<count($reflist);$nx1++)
            {
            #loop through the users
            for ($nx2=0;$nx2<count($internal_user_ids);$nx2++)
                {
                ps_query("INSERT INTO user_collection(collection,user,request_feedback) VALUES (?,?,?)",["i",$reflist[$nx1],"i",$internal_user_ids[$nx2],"i",$feedback ]);
                if ($add_internal_access)
                    {       
                    foreach (get_collection_resources($reflist[$nx1]) as $resource)
                        {
                        if (get_edit_access($resource))
                            {
                            open_access_to_user($internal_user_ids[$nx2],$resource,$expires);
                            }
                        }
                    }
                
                #log this
                clear_query_cache('collection_access' . $internal_user_ids[$nx2]);
                collection_log($reflist[$nx1], LOG_CODE_COLLECTION_SHARED_COLLECTION, 0, ps_value ("select username as value from user where ref = ?", array("i", $internal_user_ids[$nx2]), ""));
                }
            }
        }

    # Send an e-mail to each resolved email address

    # htmlbreak is for composing list
    $htmlbreak="\r\n";
    global $use_phpmailer;
    if ($use_phpmailer)
        {
        $htmlbreak="<br/><br/>";
        $htmlbreaksingle="<br/>";
        } 

    if ($fromusername==""){$fromusername=$applicationname;} // fromusername is used for describing the sender's name inside the email
    if ($from_name==""){$from_name=$applicationname;} // from_name is for the email headers, and needs to match the email address (app name or user name)

    $templatevars['message']=str_replace(array("\\n","\\r","\\"),array("\n","\r",""),$message); 
    if (trim($templatevars['message'])=="")
        {
        $templatevars['message']=$lang['nomessage'];
        $message = "lang_nomessage";
        } 

    $templatevars['fromusername']=$fromusername;
    $templatevars['from_name']=$from_name;

    // Create notification message
    $notifymessage     = new ResourceSpaceUserNotification();
    if(count($reflist)>1)
        {
        $notifymessage->set_subject($applicationname . ": ");
        $notifymessage->append_subject("lang_mycollections");
        }
    else
        {
        $notifymessage->set_subject($applicationname.": ". $collectionname);
        }

    if ($fromusername==""){$fromusername=$applicationname;}

    $externalmessage = str_replace('[applicationname]', $applicationname, $lang["emailcollectionmessageexternal"]);
    $internalmessage = "lang_emailcollectionmessage";

    $viewlinktext="lang_clicklinkviewcollection";
    if ($themeshare) // Change the text if sharing a theme category
        {
        $externalmessage    = str_replace('[applicationname]', $applicationname, $lang["emailthemecollectionmessageexternal"]);
        $internalmessage    = "lang_emailthememessage";
        $viewlinktext       = "lang_clicklinkviewcollections";
        }
        
    ##  loop through recipients
    for ($nx1=0;$nx1<count($emails);$nx1++)
        {
        ## loop through collections
        $list="";
        $list2="";
        $origviewlinktext=$viewlinktext; // Save this text as we may change it for internal theme shares for this user
        if ($themeshare && !$key_required[$nx1]) # don't send a whole list of collections if internal, just send the theme category URL
            {
            $notifymessage->set_subject($applicationname.": " . $themename);
            $url = $baseurl . "/pages/collections_featured.php" . $themeurlsuffix;
            $viewlinktext="lang_clicklinkviewthemes";
            $notifymessage->url = $url;
            $emailcollectionmessageexternal=false;
            if ($use_phpmailer)
                {
                $link = '<a href="' . $url . '">' . $themename . '</a>';                    
                $list.= $htmlbreak.$link;
                // alternate list style
                $list2.=$htmlbreak.$themename.' -'.$htmlbreaksingle . $url;
                $templatevars['list2']=$list2;
                }
            else
                {
                $list.= $htmlbreak . $url;
                }
            for ($nx2=0;$nx2<count($reflist);$nx2++)
                {
                #log this
                collection_log($reflist[$nx2],LOG_CODE_COLLECTION_EMAILED_COLLECTION,0, $emails[$nx1]);
                }
            }
        else
            {
            // E-mail external share, generate the access key based on the FC category. Each sub-collection will have the same key.
            if($key_required[$nx1] && $themeshare && !is_null($fc_category_ref))
                {
                $k = generate_collection_access_key($fc_category_ref, $feedback, $emails[$nx1], $access, $expires, $group, $sharepwd, $reflist);
                $fc_key = "&k={$k}";
                }

            for ($nx2=0;$nx2<count($reflist);$nx2++)
                {
                $key="";
                $emailcollectionmessageexternal=false;

                # Do we need to add an external access key for this user (e-mail specified rather than username)?
                if ($key_required[$nx1] && !$themeshare)
                    {
                    $k=generate_collection_access_key($reflist[$nx2],$feedback,$emails[$nx1],$access,$expires,$group,$sharepwd);
                    $key="&k=". $k;
                    $emailcollectionmessageexternal=true;
                    }
                // If FC category, the key is valid across all sub-featured collections. See generate_collection_access_key()
                elseif($key_required[$nx1] && $themeshare && !is_null($fc_category_ref))
                    {
                    $key = $fc_key;
                    $emailcollectionmessageexternal = true;
                    }
                $url = $baseurl .   "/?c=" . $reflist[$nx2] . $key;
                $collection = array();
                $collection = ps_query("SELECT name,savedsearch FROM collection WHERE ref = ?", ["i",$reflist[$nx2]]);
                if ($collection[0]["name"]!="")
                    {
                    $collection_name = i18n_get_collection_name($collection[0]);
                    }
                else
                    {
                    $collection_name = $reflist[$nx2];
                    }
                if ($use_phpmailer)
                    {
                    $link='<a href="' . $url . '">' . escape($collection_name) . '</a>';
                    $list.= $htmlbreak.$link;
                    // alternate list style
                    $list2.=$htmlbreak.$collection_name.' -'.$htmlbreaksingle . $url;
                    $templatevars['list2']=$list2;
                    }
                else
                    {
                    $list.= $htmlbreak . $collection_name . $htmlbreak . $url . $htmlbreak;
                    }
                #log this
                collection_log($reflist[$nx2],LOG_CODE_COLLECTION_EMAILED_COLLECTION,0, $emails[$nx1]);
                }
            }   
        $templatevars['list']=$list;
        $templatevars['from_name']=$from_name;
        if(isset($k))
            {
            if($expires=="")
                {
                $templatevars['expires_date']=$lang["email_link_expires_never"];
                $templatevars['expires_days']=$lang["email_link_expires_never"];
                }
            else
                {
                $day_count=round((strtotime($expires)-strtotime('now'))/(60*60*24));
                $templatevars['expires_date']=$lang['email_link_expires_date'].nicedate($expires);
                $templatevars['expires_days']=$lang['email_link_expires_days'].$day_count;
                if($day_count>1)
                    {
                    $templatevars['expires_days'].=" ".$lang['expire_days'].".";
                    }
                else
                    {
                    $templatevars['expires_days'].=" ".$lang['expire_day'].".";
                    }
                }
            }
        else
            {
            # Set empty expiration templatevars
            $templatevars['expires_date']='';
            $templatevars['expires_days']='';
            }
        $body = "";
        if($emailcollectionmessageexternal)
            {
            $template=($themeshare)?"emailthemeexternal":"emailcollectionexternal";
            // External - send email
            if (is_array($emails) && (count($emails) > 1) && $list_recipients===true)
                {
                $body = $lang["list-recipients"] ."\n". implode("\n",$emails) ."\n\n";
                $templatevars['list-recipients'] = $lang["list-recipients"] ."\n". implode("\n",$emails) ."\n\n";
                }
            if(substr($viewlinktext,0,5) == "lang_")
                {
                $langkey = substr($viewlinktext,5);
                if(isset($lang[$langkey]))
                    {
                    $viewlinktext = $lang[$langkey];
                    }
                }
            $body .= $templatevars['fromusername']." " . $externalmessage . "\n\n" . $templatevars['message']."\n\n" . $viewlinktext ."\n\n".$templatevars['list'];

            $emailsubject = $notifymessage->get_subject();
            $send_result=send_mail($emails[$nx1],$emailsubject,$body,$fromusername,$useremail,$template,$templatevars,$from_name,$cc);
            if ($send_result!==true) {return $send_result;}
            }
        else
            {
            $template = ($themeshare) ? "emailtheme" : "emailcollection";
            }
        $viewlinktext=$origviewlinktext;
        }

    if(count($internal_user_ids) > 0)
        {
        // Internal share, send notifications
        $notifymessage->append_text($templatevars['fromusername'] . "&nbsp;");
        $notifymessage->append_text($internalmessage);
        $notifymessage->append_text("<br/><br/>" . $templatevars['message'] . "<br/><br/>");
        $notifymessage->append_text($viewlinktext);
        $notifymessage->url = $url; 
        send_user_notification($internal_user_ids,$notifymessage);
        }

    hook("additional_email_collection","",array($colrefs,$collectionname,$fromusername,$userlist,$message,$feedback,$access,$expires,$useremail,$from_name,$cc,$themeshare,$themename,$themeurlsuffix,$template,$templatevars));

    # Identify user accounts which have been skipped  
    $candidate_users = ps_query("SELECT ref, username FROM user 
       WHERE username IN ("  . ps_param_insert(count($ulist)) . ")", ps_param_fill($ulist, "s"));
    $skipped_usernames=array();
    if(count($candidate_users) != count($internal_user_ids))
        {
        foreach($candidate_users as $candidate_user) 
            {
            if(!in_array($candidate_user['ref'],$internal_user_ids))
                {
                $skipped_usernames[]=$candidate_user['username'];
                }
            }
        }

    # Report skipped accounts
    if(count($skipped_usernames) > 0)
        {
        return $lang['email_error_user_list_some_skipped'].' '.implode(', ',$skipped_usernames);
        }

    # Return an empty string (all OK).
    return "";
    }

This article was last updated 4th December 2024 08:35 Europe/London time based on the source file dated 27th November 2024 15:30 Europe/London time.