From 63ebb4485d1de86116edfb44e05de592459c2778 Mon Sep 17 00:00:00 2001
From: Poul Hornsleth <phornsleth@synapsloans.com>
Date: Thu, 9 Aug 2018 11:13:21 -0400
Subject: [PATCH] Add date filtering by Future/Past dates, and adjustment of
 the 'now' date. Defaults to current behavior

---
 classes/widget.php     |  2 ++
 includes/form.php      | 21 +++++++++++++++++++++
 includes/functions.php |  4 ++++
 3 files changed, 27 insertions(+)

diff --git a/classes/widget.php b/classes/widget.php
index 6f0b22f..ea30b48 100644
--- a/classes/widget.php
+++ b/classes/widget.php
@@ -105,6 +105,8 @@ public function update( $new_instance, $old_instance ) {
 		$instance['offset']           = intval( $new_instance['offset'] );
 		$instance['order']            = stripslashes( $new_instance['order'] );
 		$instance['orderby']          = stripslashes( $new_instance['orderby'] );
+		$instance['date_filter']      = stripslashes( $new_instance['date_filter'] );
+		$instance['date_filter_adj']  = intval( $new_instance['date_filter_adj'] );
 		$instance['post_type']        = $types;
 		$instance['post_status']      = stripslashes( $new_instance['post_status'] );
 		$instance['cat']              = $new_instance['cat'];
diff --git a/includes/form.php b/includes/form.php
index a99226f..4db2a1a 100644
--- a/includes/form.php
+++ b/includes/form.php
@@ -125,6 +125,27 @@
 		</select>
 	</p>
 
+	<p>
+		<label for="<?php echo $this->get_field_id( 'date_filter' ); ?>">
+			<?php _e( 'Date Filter', 'recent-posts-widget-extended' ); ?>
+		</label>
+		<select class="widefat" id="<?php echo $this->get_field_id( 'date_filter' ); ?>" name="<?php echo $this->get_field_name( 'date_filter' ); ?>" style="width:100%;">
+			<option value="all" <?php selected( $instance['date_filter'], 'all' ); ?>><?php _e( 'All Dates', 'rpwe' ) ?></option>
+			<option value="after" <?php selected( $instance['date_filter'], 'after' ); ?>><?php _e( 'Future Dates', 'rpwe' ) ?></option>
+			<option value="before" <?php selected( $instance['date_filter'], 'before' ); ?>><?php _e( 'Past Dates', 'rpwe' ) ?></option>
+		</select>
+	</p>
+
+	<p>
+		<label for="<?php echo $this->get_field_id( 'date_filter_adj' ); ?>">
+			<?php _e( 'Date Filter Adjustment', 'recent-posts-widget-extended' ); ?>
+		</label>
+		<input class="widefat" id="<?php echo $this->get_field_id( 'date_filter_adj' ); ?>" name="<?php echo $this->get_field_name( 'date_filter_adj' ); ?>" type="number" step="1" value="<?php echo (int)( $instance['date_filter_adj'] ); ?>" />
+        <small><?php _e( 'Adjustment in days. Negative values allowed. Only used if Date Filter set to future or past dates.', 'rpwe' );?></small>
+	</p>
+
+
+
 	<div class="rpwe-multiple-check-form">
 		<label>
 			<?php _e( 'Limit to Category', 'recent-posts-widget-extended' ); ?>
diff --git a/includes/functions.php b/includes/functions.php
index a6e2978..d72b1ba 100644
--- a/includes/functions.php
+++ b/includes/functions.php
@@ -259,6 +259,10 @@ function rpwe_get_posts( $args = array() ) {
 		$query['tag__in'] = $args['tag'];
 	}
 
+	if( $args['date_filter'] != 'all' ) {
+		$query['date_query'] = array('column' => 'post_date', $args['date_filter'] => $args['date_filter_adj'] . ' days' );
+	}
+
 	/**
 	 * Taxonomy query.
 	 * Prop Miniloop plugin by Kailey Lampert.