Issue #2679619 by Sneakyvv: File usage not working for nested paragraph items (dbea54af) · Commits · project / paragraph_panes

paragraph_panes.module

+80 −31

Original line number	Diff line number	Diff line
		@@ -54,38 +54,10 @@ function paragraph_panes_edit_form_submit($form, &$form_state) {
		$field_name = $field['field_name'];
		$field_value = _paragraph_panes_sanitize_values($form_state['values'][$field_name][LANGUAGE_NONE]);

		// Handle files usage.
		// Handle file usage.
		$field_info = field_info_field($field_name);
		if (isset($field_info['type']) && in_array($field_info['type'], array('file', 'image'))) {
		// Add usage for new values.
		foreach ($field_value as $item) {
		if (isset($item['fid'])) {
		$file = (object) $item;
		file_usage_add($file, 'paragraph_panes', 'paragraph_pane', 1);
		}
		}

		// Collect fids from old values.
		$fids = array();
		if (isset($form_state['conf'][$field_name])) {
		foreach ($form_state['conf'][$field_name] as $item) {
		if (isset($item['fid'])) {
		$fids[] = $item['fid'];
		}
		}
		}

		// Delete usage for collected fids.
		if (!empty($fids)) {
		$files = file_load_multiple($fids);
		foreach ($files as $file) {
		// Decrease file usage by one.
		file_usage_delete($file, 'paragraph_panes', 'paragraph_pane', 1);
		// Delete file if no longer used anywhere.
		file_delete($file);
		}
		}
		}
		$old_values = isset($form_state['conf'][$field_name]) ? $form_state['conf'][$field_name] : array();
		_paragraph_panes_file_usage_recursive($field_info, $field_value, $old_values);

		$form_state['conf'][$field_name] = $field_value;
		}
		@@ -162,6 +134,83 @@ function _paragraph_panes_sanitize_values(array $field_values) {
		return $clean;
		}

		/**
		* @param $field_info
		* The field info for the $field_value.
		* @param $field_value
		* The current values for the field, from the form.
		* @param $old_values
		* The old values for the field, from the pane configuration.
		*/
		function _paragraph_panes_file_usage_recursive($field_info, $field_value, $old_values) {
		// Handle nested paragraph items.
		if ($field_info['type'] == 'paragraphs') {
		foreach ($field_value as $key => $subfields) {
		foreach ($subfields as $subfield_name => $subfield_value) {
		if (!is_array($subfield_value)) {
		continue;
		}
		$subfield_info = field_info_field($subfield_name);
		$old_sub_values = isset($old_values[$key][$subfield_name][LANGUAGE_NONE])? $old_values[$key][$subfield_name][LANGUAGE_NONE] : array();
		_paragraph_panes_file_usage_recursive($subfield_info, $subfield_value[LANGUAGE_NONE], $old_sub_values);
		}
		}
		}
		else {
		_paragraph_panes_file_usage($field_info, $field_value, $old_values);
		}
		}

		/**
		* Handles the file_usage records.
		*
		* Adds a file_usage record, or increases its count if it already exist,
		* for all files & images uploaded into a paragaph pane.
		* Then it decreases the file_usage count for all "old" values, i.e. the ones
		* in the current pane config.
		* Finally it tries to delete the old files, which only happens if file count is 0 now.
		*
		* @param array $field_info
		* The field info for the $field_value.
		* @param array $field_value
		* The current values for the field, from the form.
		* @param array $old_values
		* The old values for the field, from the pane configuration.
		*/
		function _paragraph_panes_file_usage($field_info, $field_value, $old_values) {
		if (isset($field_info['type'])) {
		// Handle files & images.
		if (in_array($field_info['type'], array('file', 'image'))) {
		// Add usage for new values.
		foreach ($field_value as $item) {
		if (isset($item['fid'])) {
		$file = (object) $item;
		file_usage_add($file, 'paragraph_panes', 'paragraph_pane', 1);
		}
		}

		// Collect fids from old values.
		$fids = array();
		foreach ($old_values as $item) {
		if (isset($item['fid'])) {
		$fids[] = $item['fid'];
		}
		}

		// Delete usage for collected fids.
		if (!empty($fids)) {
		$files = file_load_multiple($fids);
		foreach ($files as $file) {
		// Decrease file usage by one.
		file_usage_delete($file, 'paragraph_panes', 'paragraph_pane', 1);
		// Delete file if no longer used anywhere.
		file_delete($file);
		}
		}
		}
		}
		}

		/**
		* Unserializes the enitities back again.
		*