/**
* Parse out amount values from the start of a given string.
*
* This method checks the first two words in a string for possible
* numerical values. It will automatically recognize integers, floats,
* and fractions or combination of any two. If any exist in the first
* two words of a string, a total value will be determined by adding
* them together.
*
* @since 1.2.0
* @access private
*
* @param string $string The string from user input.
* @return array|false $result The resulting amount information or false if none exists.
*/
private function parse_amount($string)
{
// Isolate the first word.
$first_word = strtok($string, ' ');
// Get amount string if it meets our criteria.
$amount_length = strspn($first_word, '0123456789/.');
$amount_string = substr($string, 0, $amount_length);
if ($amount_string) {
// Format the amount.
$amount = trim($amount_string);
$amount = Simmer_Recipe_Ingredient::convert_amount_to_float($amount);
// Isolate the second word to check for fractions or floats.
$string = substr($string, $amount_length);
$string = trim($string);
$second_word = strtok($string, ' ');
// Filter the second word against allowed characters.
$fraction_length = strspn($second_word, '0123456789/.');
$fraction_string = substr($string, 0, $fraction_length);
// If a fraction or float does indeed exist, parse it.
if ($fraction_string) {
// Update the final amount string to include the fraction or float.
$amount_string = $amount_string . ' ' . $fraction_string;
$amount_length = strlen($amount_string);
// Format the fraction to a float.
$fraction_amount = trim($fraction_string);
$fraction_amount = Simmer_Recipe_Ingredient::convert_amount_to_float($fraction_amount);
// Add the two together for one final value.
$amount = $amount + $fraction_amount;
}
$result = array('start' => 0, 'end' => $amount_length, 'result' => $amount);
} else {
$result = false;
}
return $result;
}
/**
* Sort two ingredients by their amounts.
*
* @since 1.3.3
* @access private
*
* @see usort()
*
* @param object $a The first ingredient object.
* @param object $b The second ingredient object.
* @return int Whether first amount is greater than, less than, or equal to the second.
*/
private function sort_ingredients_by_amount($a, $b)
{
// Get the filtered amounts.
$a = $a->get_amount();
$b = $b->get_amount();
// Convert the amounts to floats.
$a = Simmer_Recipe_Ingredient::convert_amount_to_float($a);
$b = Simmer_Recipe_Ingredient::convert_amount_to_float($b);
if ($a == $b) {
return 0;
}
return $a < $b ? -1 : 1;
}
/**
* Print or return a <select> field of all avialable units of measure.
*
* @since 1.0.0
*
* @param array $args {
* Optional. The custom arguments.
*
* @type string $name The field element's name attribute. Default 'simmer-unit'.
* @type string $select The unit slug to be selected. Default none.
* @type string $id The field element's id attribute. Default none.
* @type string $class The field element's class attribute. Default 'simmer-units-dropdown'.
* @type int $tab_index The field tab index. Default '0'.
* @type bool $echo Whether to echo or return the field element. Default 'true'.
* }
* @return string $output The generated <select> field.
*/
function simmer_units_select_field($args = '', $count = 1)
{
// Get the available measurement units.
$units = Simmer_Recipe_Ingredients::get_units();
// If there are none, then stop generating the <select> field.
if (empty($units)) {
return false;
}
$defaults = array('name' => 'simmer-unit', 'selected' => '', 'id' => '', 'class' => 'simmer-units-dropdown', 'tab_index' => 0, 'echo' => true);
$args = wp_parse_args($args, $defaults);
/**
* Allow others to filter the args.
*
* @since 1.0.0
*/
$args = apply_filters('simmer_units_select_field_args', $args);
// Start building an array of <select> field attributes.
$attributes = array();
// If an id is set, add it to the attributes array.
if (!empty($args['id'])) {
$attributes['id'] = $args['id'];
}
// If a class is set, add it to the attributes array.
if (!empty($args['class'])) {
$attributes['class'] = $args['class'];
}
// If a name is set, add it to the attributes array.
if (!empty($args['name'])) {
$attributes['name'] = $args['name'];
}
// If a tab index is set, create the attribute.
if ((int) $args['tab_index'] > 0) {
$attributes['tabindex'] = (int) $args['tab_index'];
}
/**
* Allow others to modify the array of attributes.
*
* @since 1.0.0
*/
$attributes = apply_filters('simmer_units_select_field_attributes', $attributes);
// If no attributes are defined above, then we have nothing more to discuss.
if (empty($attributes) || !is_array($attributes)) {
return false;
}
// Start building the <select> field.
$output = '<select';
foreach ($attributes as $attribute => $value) {
$output .= ' ' . esc_attr($attribute) . '="' . esc_attr($value) . '"';
}
$output .= '>';
$output .= '<option value="" ' . selected('', $args['selected'], false) . '></option>';
foreach ($units as $unit_type => $units) {
$output .= '<optgroup label="' . esc_html(ucfirst($unit_type)) . '">';
foreach ($units as $unit => $labels) {
$output .= '<option value="' . esc_attr($unit) . '" ' . selected($unit, $args['selected'], false) . '>';
$output .= esc_html(Simmer_Recipe_Ingredient::get_unit_label($labels, $count));
$output .= '</option>';
}
$output .= '</optgroup>';
}
$output .= '</select>';
// Echo or return the resulting select field.
if ((bool) $args['echo']) {
echo $output;
} else {
return $output;
}
}
/**
* Save the recipe meta.
*
* @since 1.0.0
*
* @param int $recipe_id The ID of the current recipe.
* @return void
*/
public function save_recipe_meta($id)
{
// Check if this is an autosave.
if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE) {
return;
}
// Check that this was a POST request.
if ('POST' != strtoupper($_SERVER['REQUEST_METHOD'])) {
return;
}
// Check the save recipe nonce.
if (!wp_verify_nonce($_POST['simmer_nonce'], 'simmer_save_recipe_meta')) {
return;
}
/** Ingredients **/
// Add or update ingredient items.
if (isset($_POST['simmer_ingredients']) && !empty($_POST['simmer_ingredients'])) {
foreach ($_POST['simmer_ingredients'] as $key => $ingredient) {
if (empty($ingredient['description'])) {
continue;
}
$amount = isset($ingredient['amount']) ? Simmer_Recipe_Ingredient::convert_amount_to_float($ingredient['amount']) : '';
$unit = isset($ingredient['unit']) ? $ingredient['unit'] : '';
if (isset($ingredient['id']) && $ingredient['id']) {
$ingredient_id = simmer_update_recipe_ingredient($ingredient['id'], array('amount' => $amount, 'unit' => $unit, 'description' => $ingredient['description'], 'order' => $ingredient['order'], 'is_heading' => $ingredient['heading']));
} else {
$ingredient_id = simmer_add_recipe_ingredient(get_the_ID(), $ingredient['description'], $amount, $unit, $ingredient['heading'], $ingredient['order']);
}
/**
* Fire after saving a recipe ingredient.
*
* @since 1.3.0
*
* @param int $ingredient_id The ingredient ID.
* @param int $id The recipe ID.
*/
do_action('simmer_admin_save_recipe_ingredient', $ingredient_id, $id);
}
}
// Delete 'removed' ingredient items.
if (isset($_POST['simmer_ingredients_remove']) && !empty($_POST['simmer_ingredients_remove'])) {
foreach ($_POST['simmer_ingredients_remove'] as $ingredient_id) {
simmer_delete_recipe_ingredient($ingredient_id);
/**
* Fire after deleting a recipe ingredient.
*
* @since 1.3.0
*/
do_action('simmer_admin_delete_recipe_ingredient');
}
}
/** Instructions **/
// Add or update instruction items.
if (isset($_POST['simmer_instructions']) && !empty($_POST['simmer_instructions'])) {
foreach ($_POST['simmer_instructions'] as $key => $instruction) {
if (empty($instruction['description'])) {
continue;
}
if (isset($instruction['id']) && $instruction['id']) {
$instruction_id = simmer_update_recipe_instruction($instruction['id'], array('description' => $instruction['description'], 'is_heading' => $instruction['heading'], 'order' => $instruction['order']));
} else {
$instruction_id = simmer_add_recipe_instruction(get_the_ID(), $instruction['description'], $instruction['heading'], $instruction['order']);
}
/**
* Fire after saving a recipe instruction.
*
* @since 1.3.0
*
* @param int $instruction_id The instruction ID.
* @param int $id The recipe ID.
*/
do_action('simmer_admin_save_recipe_instruction', $instruction_id, $id);
}
}
// Delete 'removed' instruction items.
if (isset($_POST['simmer_instructions_remove']) && !empty($_POST['simmer_instructions_remove'])) {
foreach ($_POST['simmer_instructions_remove'] as $instruction_id) {
simmer_delete_recipe_instruction($instruction_id);
/**
* Fire after deleting a recipe instruction.
*
* @since 1.3.0
*/
do_action('simmer_admin_delete_recipe_instruction');
}
}
/** Information **/
// Save the prep, cooking, and total times.
$times = (array) $_POST['simmer_times'];
if (!empty($times)) {
foreach ($times as $time => $values) {
// Convert the hours input to minutes.
$hours = (int) $values['h'] * 60;
$minutes = (int) $values['m'];
$duration = $hours + $minutes;
if (0 != $duration) {
update_post_meta($id, '_recipe_' . $time . '_time', $duration);
} else {
delete_post_meta($id, '_recipe_' . $time . '_time');
}
}
}
// Maybe save the servings.
$servings = absint($_POST['simmer_servings']);
if (!empty($servings)) {
update_post_meta($id, '_recipe_servings', absint($_POST['simmer_servings']));
} else {
delete_post_meta($id, '_recipe_servings');
}
// Maybe save the servings label.
if (!empty($_POST['simmer_servings_label'])) {
update_post_meta($id, '_recipe_servings_label', $_POST['simmer_servings_label']);
} else {
delete_post_meta($id, '_recipe_servings_label');
}
// Maybe save the yield.
if (!empty($_POST['simmer_yield'])) {
update_post_meta($id, '_recipe_yield', $_POST['simmer_yield']);
} else {
delete_post_meta($id, '_recipe_yield');
}
// Maybe save the source text.
if (!empty($_POST['simmer_source_text'])) {
update_post_meta($id, '_recipe_source_text', $_POST['simmer_source_text']);
} else {
delete_post_meta($id, '_recipe_source_text');
}
// Maybe save the source URL.
if (!empty($_POST['simmer_source_url'])) {
update_post_meta($id, '_recipe_source_url', $_POST['simmer_source_url']);
} else {
delete_post_meta($id, '_recipe_source_url');
}
/**
* Allow others to do things when the recipe meta is saved.
*
* @since 1.0.0
*
* @param int $id The current recipe ID.
* @return void
*/
do_action('simmer_save_recipe_meta', $id);
}