wcfm-submit-article-form-validation-restrictions

add_action('after_wcfm_articles_manage', function() {
    ?>
    <script>
        jQuery(function($) {
            function stripHTML(dirtyString) {
                return $("<div/>").html(dirtyString).text().trim();
            }
            $( document.body ).on( 'wcfm_form_validate', function(event, elem) {
                //Restrictions
                var MAX_CHARS_TITLE = 20;
                var MIN_CHARS_TITLE = 4;
                var TITLE_RESTRICTION_MSG = "Title must be between 4-20 characters";
                var MAX_CHARS_SHORT_DESCRIPTION = 200;
                var MIN_CHARS_SHORT_DESCRIPTION = 20;
                var SD_RESTRICTION_MSG = "Short description must be between 20-200 characters";
                var MAX_CHARS_DESCRIPTION = 500;
                var MIN_CHARS_DESCRIPTION = 50;
                var DESC_RESTRICTION_MSG = "Description must be between 50-500 characters";
                var MAX_NUM_TAGS = 10;
                var MIN_NUM_TAGS = 1;
                var TAGS_RESTRICTION_MSG = "Tag numbers must be between 1-10";
                var MAX_NUM_CATGS = 4;
                var MIN_NUM_CATGS = 1;
                var CATGS_RESTRICTION_MSG = "Category numbers must be between 1-4";
                var IMAGE_RESTRICTION_MSG = "Article image is mandatory";

                var $elem = $(elem);
                //article title restrictions
                if($elem.find('input#title').length) {
                    var data_val = $elem.find('input#title').val();
                    if(data_val.length > MAX_CHARS_TITLE || data_val.length < MIN_CHARS_TITLE) {
                        if( $wcfm_is_valid_form ) {
                            $('#' + $elem.attr('id') + ' .wcfm-message').html( '<span class="wcicon-status-cancelled"></span>' + TITLE_RESTRICTION_MSG ).addClass('wcfm-error').slideDown();
                        } else {
                            $('#' + $elem.attr('id') + ' .wcfm-message').append( '<br /><span class="wcicon-status-cancelled"></span>' + TITLE_RESTRICTION_MSG );
                        }
                        $wcfm_is_valid_form = false;
                        $elem.find('input#title').removeClass('wcfm_validation_success').addClass('wcfm_validation_failed');
                    }
                }
                //article short description restrictions
                var excerpt = stripHTML( getWCFMEditorContent( 'excerpt' ) );
                if(excerpt.length > MAX_CHARS_SHORT_DESCRIPTION || excerpt.length < MIN_CHARS_SHORT_DESCRIPTION) {
                    if( $wcfm_is_valid_form ) {
                        $('#' + $elem.attr('id') + ' .wcfm-message').html( '<span class="wcicon-status-cancelled"></span>' + SD_RESTRICTION_MSG ).addClass('wcfm-error').slideDown();
                    } else {
                        $('#' + $elem.attr('id') + ' .wcfm-message').append( '<br /><span class="wcicon-status-cancelled"></span>' + SD_RESTRICTION_MSG );
                    }
                    $wcfm_is_valid_form = false;
                }

                //article description restrictions
                var description = stripHTML( getWCFMEditorContent( 'description' ) );
                if(description.length > MAX_CHARS_DESCRIPTION || description.length < MIN_CHARS_DESCRIPTION) {
                    if( $wcfm_is_valid_form ) {
                        $('#' + $elem.attr('id') + ' .wcfm-message').html( '<span class="wcicon-status-cancelled"></span>' + DESC_RESTRICTION_MSG ).addClass('wcfm-error').slideDown();
                    } else {
                        $('#' + $elem.attr('id') + ' .wcfm-message').append( '<br /><span class="wcicon-status-cancelled"></span>' + DESC_RESTRICTION_MSG );
                    }
                    $wcfm_is_valid_form = false;
                }

                //article tags restrictions
                if($elem.find('textarea#article_tags').length) {
                    var tags = $elem.find('textarea#article_tags').val().trim();
                    if(!tags || tags.split(',').length > MAX_NUM_TAGS || tags.length < MIN_NUM_TAGS) {
                        if( $wcfm_is_valid_form ) {
                            $('#' + $elem.attr('id') + ' .wcfm-message').html( '<span class="wcicon-status-cancelled"></span>' + TAGS_RESTRICTION_MSG ).addClass('wcfm-error').slideDown();
                        } else {
                            $('#' + $elem.attr('id') + ' .wcfm-message').append( '<br /><span class="wcicon-status-cancelled"></span>' + TAGS_RESTRICTION_MSG );
                        }
                        $wcfm_is_valid_form = false;
                    }
                }

                //article category restrictions
                if($elem.find('ul#article_cats_checklist').length) {
                    var $catgs = $elem.find('ul#article_cats_checklist [type="checkbox"]:checked');
                    if($catgs.length > MAX_NUM_CATGS || $catgs.length < MIN_NUM_CATGS) {
                        if( $wcfm_is_valid_form ) {
                            $('#' + $elem.attr('id') + ' .wcfm-message').html( '<span class="wcicon-status-cancelled"></span>' + CATGS_RESTRICTION_MSG ).addClass('wcfm-error').slideDown();
                        } else {
                            $('#' + $elem.attr('id') + ' .wcfm-message').append( '<br /><span class="wcicon-status-cancelled"></span>' + CATGS_RESTRICTION_MSG );
                        }
                        $wcfm_is_valid_form = false;
                    }
                }

                //article image restriction
                if($elem.find('input#featured_img').length) {
                    if(!$elem.find('input#featured_img').val()) {
                        if( $wcfm_is_valid_form ) {
                            $('#' + $elem.attr('id') + ' .wcfm-message').html( '<span class="wcicon-status-cancelled"></span>' + IMAGE_RESTRICTION_MSG ).addClass('wcfm-error').slideDown();
                        } else {
                            $('#' + $elem.attr('id') + ' .wcfm-message').append( '<br /><span class="wcicon-status-cancelled"></span>' + IMAGE_RESTRICTION_MSG );
                        }
                        $wcfm_is_valid_form = false;
                    }
                }

            } );
        });
    </script>
    <?php
});