ad_page_contract {
    @author Unknown
    @creation-date Unknown
    @cvs-id $Id: index.vuh,v 1.6 2018/04/05 14:44:09 hectorr Exp $
} {
    { ims_item_id "" }
    { man_id "" }
}

# check if the nsv variable exists
if {![nsv_exists delivery_vars [ad_conn session_id]]} {
    if {$man_id ne ""} {
        db_1row manifest_info {}
        set content_root [fs::get_root_folder -package_id $fs_package_id]

        if {[nsv_exists delivery_vars [ad_conn session_id]]} {
            nsv_unset delivery_vars [ad_conn session_id]
        }
        nsv_set delivery_vars [ad_conn session_id] [list]
        nsv_lappend delivery_vars [ad_conn session_id] $content_root
    } else {
        ad_return_complaint 1 "[_ lorsm.Your_session_has_expired]"
    }
}

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 {}]

ns_log debug "view/index.vuh serving the url : $the_url with template root: $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
    ns_log warning "We have no CONTENT for this url: $the_url "
    #cr_write_content -revision_id $ims_item_id
}

#ad_script_abort

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-default

} 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 404 text/html $page
}