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bw_metadata() – Implement the [bw_fields] shortcode

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Description

Implement the [bw_fields] shortcode

Display the chosen fields with labels, separator and field values

Usage

$string = bw_metadata( $atts, $content, $tag );

Parameters

$atts
( array ) optional – shortcode parameters
$content
( string ) optional – not expected
$tag
( string ) optional – shortcode tag when invoked for shortcode expansion

Returns

string formatted metadata

TO DO

resolve quandary – when the field names are specified are we allowed to override the #theme setting? ie. Ignore #theme => false ? Answer: For "taxonomy" type fields the #theme setting may not be defined. BUT these fields have to be specified separately anyway.

TO DO

decide best way to deal with nested usage of this shortcode or multiple usage of this shortcode when the post we're trying to process is different from the main post. This happens when we are combining information from multiple posts into one output. Current solution is to not produce anything, not even 'Not single'

Source

File name: oik-fields/shortcodes/oik-fields.php
Lines:
1 to 73 of 73
function bw_metadata( $atts=null, $content=null, $tag=null ) {
  if ( !oik_is_shortcode_expansion_necessary() ) {
    return "Not today thank you.";
  }
  $post_id = bw_array_get( $atts, "id", null );
  if ( '.' === $post_id ) {
    $post_id = bw_current_post_id();
  }
  if ( $post_id ) {
    $single = true;
  } else { 
    $post_id = bw_current_post_id();
    if ( $post_id === bw_global_post_id() ) {
      $single = true;
    } else {
      $single = is_single( $post_id );
      
    }   
  }
    
  bw_trace2( null, null, true, BW_TRACE_VERBOSE );
  bw_backtrace( BW_TRACE_VERBOSE );
  if ( $single ) {
    //bw_backtrace();
    //p( "Fields for $post_id "); 
    $name = bw_array_get_from( $atts, "fields,0", NULL );
    if ( null == $name ) {
      $names = bw_get_field_names( $post_id );
      
    } else {
      $name = wp_strip_all_tags( $name, TRUE );
      $names = explode( ",", $name );
      
    }
    if ( count( $names ) ) {
      foreach ( $names as $name ) {
        $theme_it = bw_get_field_data_arg( $name, "#theme", true );
        if ( $theme_it ) {
        
          
/**
           * We have to cater for "taxonomy" fields as well
           */
          $type = bw_query_field_type( $name );
          if ( $type === "taxonomy" ) {
            // bw_custom_column_taxonomy( $name, $post_id );
            bw_format_taxonomy( $name, $post_id );
          } else { 
            //bw_custom_column_post_meta( $column, $post_id );
            
            $post_meta = get_post_meta( $post_id, $name, FALSE );
            bw_trace2( $post_meta, "post_meta", false, BW_TRACE_VERBOSE );
            if ( false == bw_get_field_data_arg( $name, "#theme_null", true ) ) {
              $theme_it = bw_field_has_value( $post_meta, $name );
            }
            
            if ( $theme_it ) {
              
              $customfields = array( $name => $post_meta ); 
              bw_format_meta( $customfields );
            }
          }  
        } else {
          bw_theme_object_property( $post_id, $name, $atts );
        }  
      }
    } else {
      bw_trace2( "Invalid use of $tag. No field names to process for $post_id", null, true, BW_TRACE_WARNING );
    }
  } else {
    //e( "Not single" );
  }
  return( bw_ret() );
}
 
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