feat: add filters support to shortcode

Author: HardeepAsrani

includes/abstract/feedzy-rss-feeds-admin-abstract.php

@@ -442,7 +442,12 @@ public function feedzy_rss( $atts, $content = '' ) {
 			}
 		}
 
-		$sc['filters'] = apply_filters( 'feedzy_filter_conditions_migration', $sc );
+		// If the user is explicitly using filters attribute, then use it and ignore old filters.
+		if ( isset( $sc['filters'] ) && ! empty( $sc['filters'] ) && feedzy_is_pro() ) {
+			$sc['filters'] = apply_filters( 'feedzy_filter_conditions_attribute', $sc['filters'] );
+		} else {
+			$sc['filters'] = apply_filters( 'feedzy_filter_conditions_migration', $sc );
+		}
 
 		$sc = array_diff_key(
 			$sc,
@@ -505,7 +510,11 @@ public function feedzy_lazy_load( $data ) {
 		$sc       = $this->get_short_code_attributes( $atts );
 		$feed_url = $this->normalize_urls( $sc['feeds'] );
 
-		$sc['filters'] = apply_filters( 'feedzy_filter_conditions_migration', $sc );
+		if ( isset( $sc['filters'] ) && ! empty( $sc['filters'] ) && feedzy_is_pro() ) {
+			$sc['filters'] = apply_filters( 'feedzy_filter_conditions_attribute', $sc['filters'] );
+		} else {
+			$sc['filters'] = apply_filters( 'feedzy_filter_conditions_migration', $sc );
+		}
 
 		$sc = array_diff_key(
 			$sc,
@@ -614,6 +623,7 @@ public function get_short_code_attributes( $atts ) {
 				'to_datetime'     => '',
 				// Disable default style.
 				'disable_default_style' => 'no',
+				'filters'         => '',
 			),
 			$atts,
 			'feedzy_default'

includes/feedzy-rss-feeds.php

@@ -268,6 +268,7 @@ function () {
 
 			$plugin_conditions = new Feedzy_Rss_Feeds_Conditions();
 			$this->loader->add_action( 'feedzy_filter_conditions_migration', $plugin_conditions, 'migrate_conditions' );
+			$this->loader->add_action( 'feedzy_filter_conditions_attribute', $plugin_conditions, 'convert_filter_string_to_json' );
 			$this->loader->add_action( 'feedzy_item_keyword', $plugin_conditions, 'evaluate_conditions', 10, 5 );
 		}
 

includes/util/feedzy-rss-feeds-conditions.php

@@ -344,4 +344,52 @@ private function check_contains( $value, $condition_value ): bool {
 		}
 		return false;
 	}
+
+	/**
+	 * Convert a filter string to JSON.
+	 *
+	 * This function converts a filter string to a JSON object.
+	 *
+	 * @param string $filter_str The filter string to convert.
+	 *
+	 * @return string The JSON object.
+	 */
+	public function convert_filter_string_to_json( $filter_str ) {
+		// Split into segments by semicolon.
+		$segments     = explode( ';', $filter_str );
+		$filter_array = array( 'conditions' => array() );
+
+		foreach ( $segments as $segment ) {
+			$segment = trim( $segment );
+
+			// Check if this segment defines 'match'.
+			if ( strpos( $segment, 'match=' ) === 0 ) {
+				// Extract match value.
+				list( , $match_val ) = explode( '=', $segment, 2 );
+				$filter_array['match'] = trim( $match_val );
+			} elseif ( strpos( $segment, 'condition=' ) === 0 ) {
+				// Check if this segment defines a 'condition'.
+				// Remove "condition=" prefix.
+				$condition_str = substr( $segment, strlen( 'condition=' ) );
+				$pairs         = explode( ',', $condition_str );
+				$condition     = array();
+
+				// Each pair is in the form key:value.
+				foreach ( $pairs as $pair ) {
+					$pair = trim( $pair );
+					if ( strpos( $pair, ':' ) !== false ) {
+						list( $key, $val ) = explode( ':', $pair, 2 );
+						$condition[ trim( $key ) ] = trim( $val );
+					}
+				}
+
+				if ( ! empty( $condition ) ) {
+					$filter_array['conditions'][] = $condition;
+				}
+			}
+		}
+
+		// Encode the final array as JSON.
+		return json_encode( $filter_array );
+	}
 }