#################################################
ad_page_contract {
   
    @author Unknown
    @creation-date Unknown
    @cvs-id $Id: index.vuh,v 1.5 2018/04/05 14:44:09 hectorr Exp $
} {    
}

# check if the nsv variable exists
if {![nsv_exists delivery_vars [ad_conn session_id]]} {
    ad_returnredirect [lors::get_community_url]
}

if {[info exists ims_item_id]} {
    lorsm::set_ims_item_id $ims_item_id
}


# Get the paths
set the_root [ns_info pageroot]
set the_url [ad_conn path_info]

set content_type "content_revision"

set content_root [lindex [nsv_get delivery_vars [ad_conn session_id]] 0]
set ns_item_id [lindex [nsv_get delivery_vars [ad_conn session_id]] 1]
set ims_item_id [lorsm::get_ims_item_id]

set the_url [join [lrange [split $the_url "/"] 1 end] "/"]

set template_root [db_string template_root ""]

# Serve the page

# DRB: Note that content::init modifies the local variable the_root, which is treated
# as though it's been passed by reference.   This requires that the redirect treat the
# path as an absolute path within the filesystem.

# MIGUELM: we need a way to use other content root not only the one for the course since we can have
#          items from other courses

set item_id [content::item::get_id -item_path $the_url -root_folder_id $content_root -resolve_index "f"]

if { [empty_string_p $item_id] } {
    # This item was probably added. We need to check if the item exist on other folder.
    # So we will get the first part of the URL
    set item_id [lorsm::delivery::get_item_other_folder -url $the_url]
}

# To get the revision_id (file_id) we need to show here we have to items here 
# one is the item_id that is received on record-view page from the menu 
# and the other one is the one that holds all the revisions for one file
set revision_id [lorsm::delivery::get_file_id_from_ims_item_id -ims_item_id $ns_item_id -item_id $item_id]

if { [empty_string_p $revision_id] } {
    # Is a reference to an image or some other resource inside the page, this items don't 
    # have an entry in ims_cp_files table
    set revision_id [item::get_best_revision $item_id]
}

if { ![empty_string_p $revision_id] } {
    # We catch the revision id using the_url and content root
    cr_write_content -revision_id $revision_id
} else {
    # Write the ims_item_id that we receive on the page since this is the one that holds the content
    cr_write_content -revision_id $ims_item_id	
}

if { [lorsm::init the_url the_root  $content_root $template_root public "" $content_type] } {

    # we introduced our own template
    rp_internal_redirect -absolute_path [acs_root_dir]/templates/lorsm-no-index

} else {
  # ns_returnnotfound
  set page "[ad_header {Content Item Not Found}]"
  append page "<h3>Content Item Not Found</h3>"
  append page "The requested item is not available for viewing.  "
  append page "The item is either not available on this server or it is not in a publishable state  "
  append page "Unpublished items can be viewed via the CMS interface if the CMS package is installed.<br>"
  append page "[ad_footer]"
  doc_return 200 text/html $page
}