content::init (public)

 content::init [ -resolve_index resolve_index ] [ -revision revision ] \
    urlvar rootvar [ content_root ] [ template_root ] [ context ] \
    [ rev_id ] [ content_type ]

Defined in packages/acs-content-repository/tcl/filter-procs.tcl

Initialize the namespace variables for the ::content procs and figures out which template to use and set up the template for the required content type etc.

Switches:
-resolve_index (optional, defaults to "f")
-revision (optional, defaults to "live")
Parameters:
urlvar (required)
rootvar (required)
content_root (optional)
template_root (optional)
context (optional, defaults to "public")
rev_id (optional)
content_type (optional)

Partial Call Graph (max 5 caller/called nodes):
%3 content::deploy content::deploy (public, deprecated) content::init content::init content::deploy->content::init content::get_content_value content::get_content_value (public) content::init->content::get_content_value content::get_template_root content::get_template_root (public) content::init->content::get_template_root content::item::get_best_revision content::item::get_best_revision (public) content::init->content::item::get_best_revision content::item::get_content_type content::item::get_content_type (public) content::init->content::item::get_content_type content::item::get_id content::item::get_id (public) content::init->content::item::get_id

Testcases:
No testcase defined.
Source code:
    upvar $urlvar url $rootvar root_path
    variable root_folder_id
    variable item_id
    variable revision_id

    set root_folder_id $content_root
    # if a .tcl file exists at this url, then don't do any queries
    if { [file exists [ns_url2file "$url.tcl"]] } {
        return 0
    }

    # cache this query persistently for 1 hour
    set item_info(item_id) [::content::item::get_id -item_path $url  -root_folder_id $content_root  -resolve_index $resolve_index]
    set item_info(content_type) [::content::item::get_content_type  -item_id $item_info(item_id)]

    # No item found, so do not handle this request
    if {$item_info(item_id) eq ""} {
        set item_info(item_id) [::content::item::get_id -item_path $url  -root_folder_id $content_root  -resolve_index $resolve_index]
        set item_info(content_type) [::content::item::get_content_type  -item_id $item_info(item_id)]
        if {$item_info(item_id) eq ""} {
            ns_log notice "content::init: no content found for url $url"
            return 0
        }
    }

    variable item_url
    set item_url $url

    set item_id $item_info(item_id)
    if { $content_type eq "" } {
        set content_type $item_info(content_type)
    }

    # TODO accept latest revision as well. DaveB
    # Make sure that a live revision exists
    if { $rev_id eq "" } {
      if {"best" eq $revision} {
      # latest_revision unless live_revision is set, then live_revision
      set revision_id [::content::item::get_best_revision -item_id $item_id]
      } else {
      # default live_revision
      set revision_id [::content::item::get_live_revision -item_id $item_id]
      }

      if {$revision_id eq ""} {
            ns_log notice "content::init: no live revision found for content item $item_id"
            return 0
        }

    } else {
        set revision_id $rev_id
    }

    variable template_path

    # Get the template 
    set template_found_p [db_0or1row get_template_url "" -column_array info]

    if { !$template_found_p || $info(template_url) eq {} } { 
        ns_log notice "content::init: No template found to render content item $item_id in context '$context'"
        return 0
    }

    set url $info(template_url)
    set root_path [get_template_root]

    # Added so that published templates are regenerated if they are missing.
    # This is useful for default templates.  
    # (OpenACS - DanW, dcwickstrom@earthlink.net)

    set file ${root_path}/${url}.adp
    if { ![file exists $file] } {

        file mkdir [file dirname $file]
        set text [content::get_content_value $info(template_id)]
        template::util::write_file $file $text
    }

    set file ${root_path}/${url}.tcl
    if { ![file exists $file] } {

        file mkdir [file dirname $file]
        set text "\# Put the current revision's attributes in a onerow datasource named \"content\".
\# The detected content type is \"$content_type\".

content::get_content $content_type

if { \"text/html\" ne \$content(mime_type) && !\[ad_html_text_convertible_p -from \$content(mime_type) -to text/html\] } {
    \# don't render its content
    cr_write_content -revision_id \$content(revision_id)
    ad_script_abort
}

\# Ordinary text/* mime type.
foreach {key value} [array get content] {
   set $key $value
}

set text \[cr_write_content -string -revision_id \$revision_id\]
if { !\[string equal \"text/html\" \$content(mime_type)\] } {
    set text \[ad_html_text_convert -from \$content(mime_type) -to text/html -- \$text\]
}

set context \[list \$title\]

ad_return_template
"

      template::util::write_file $file $text
  }

  return 1
Generic XQL file:
packages/acs-content-repository/tcl/filter-procs.xql

PostgreSQL XQL file:
<fullquery name="content::init.get_template_url">
    <querytext>

        select 
          content_item__get_live_revision(content_item__get_template(:item_id, :context)) as template_id,
          content_template__get_path(content_item__get_template(:item_id, :context),:template_root) as template_url 
        from dual

      </querytext>
</fullquery>
packages/acs-content-repository/tcl/filter-procs-postgresql.xql

Oracle XQL file:
<fullquery name="content::init.get_template_url">
    <querytext>

        select 
          content_item.get_live_revision(content_item.get_template(:item_id, :context)) as template_id,
          content_template.get_path(content_item.get_template(:item_id, :context), :template_root) as template_url 
        from 
          dual

      </querytext>
</fullquery>
packages/acs-content-repository/tcl/filter-procs-oracle.xql

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