v2.0.5 - Set minimum payable amount.

Author: Kendysond

README.txt

@@ -4,7 +4,7 @@ Donate link: https://paystack.com/demo
 Tags: paystack, recurrent payments, nigeria, mastercard, visa, target,Naira,payments,verve
 Requires at least: 3.1
 Tested up to: 4.7
-Stable tag: 2.0.3
+Stable tag: 2.0.5
 License: GPLv2 or later
 License URI: http://www.gnu.org/licenses/gpl-2.0.html
 
@@ -84,6 +84,10 @@ You can also follow us on Twitter! **[@paystack](http://twitter.com/paystack)**
 
 
 == Changelog ==
+= 2.0.5 =
+*  Set minimum payable amount. 
+= 2.0.4 =
+*  Fix for no action after clicking the pay button. 
 = 2.0.3 =
 *  Send email notification to merchant for every payment.
 *  Export payment data to CSV.

admin/class-paystack-forms-admin.php

@@ -282,20 +282,27 @@ function kkd_pff_paystack_editor_add_form_data() {
 				$currency = get_post_meta($post->ID, '_currency', true);
 		    $filelimit = get_post_meta($post->ID, '_filelimit', true);
 		    $redirect = get_post_meta($post->ID, '_redirect', true);
+		    $minimum = get_post_meta($post->ID, '_minimum', true);
 
 				if ($amount == "") {$amount = 0;}
 				if ($filelimit == "") {$filelimit = 2;}
 				if ($paybtn == "") {$paybtn = 'Pay';}
 				if ($successmsg == "") {$successmsg = 'Thank you for paying!';}
 				if ($currency == "") {$currency = 'NGN';}
 				if ($txncharge == "") {$txncharge = 'merchant';}
+				if ($minimum == "") {$minimum = 0;}
 		  	// Echo out the field
 				echo '<p>Currency:</p>';
 		  	echo '<input type="text" name="_currency" value="' . $currency  . '" class="widefat" />
 				<small>We currently support only payments in Naira(NGN).</small>';
 				echo '<p>Amount to be paid(Set 0 for customer input):</p>';
 		  	echo '<input type="number" name="_amount" value="' . $amount  . '" class="widefat pf-number" />';
-				echo '<p>Pay button Description:</p>';
+		  	if ($minimum == 1) {
+		  		echo '<br><label><input name="_minimum" type="checkbox" value="1" checked> Make amount minimum payable </label>';
+		  	}else{
+		  		echo '<br><label><input name="_minimum" type="checkbox" value="1"> Make amount minimum payable </label>';
+		  	}
+			echo '<p>Pay button Description:</p>';
 		  	echo '<input type="text" name="_paybtn" value="' . $paybtn  . '" class="widefat" />';
 				echo '<p>Transaction Charges:</p>';
 				echo '<select class="form-control" name="_txncharge" id="parent_id" style="width:100%;">
@@ -458,6 +465,7 @@ function kkd_pff_paystack_save_data($post_id, $post) {
 			}
 
 		  	$form_meta['_amount'] = $_POST['_amount'];
+		  	$form_meta['_minimum'] = $_POST['_minimum'];
 			$form_meta['_paybtn'] = $_POST['_paybtn'];
 			$form_meta['_currency'] = $_POST['_currency'];
 			$form_meta['_successmsg'] = $_POST['_successmsg'];

paystack-forms.php

@@ -3,7 +3,7 @@
 	Plugin Name:	Payment forms for Paystack
 	Plugin URI: 	https://github.com/Kendysond/Wordpress-paystack-forms
 	Description: 	Payment forms for Paystack allows you create forms that will be used to bill clients for goods and services via Paystack.
-	Version: 		2.0.3
+	Version: 		2.0.5
 	Author: 		Douglas Kendyson
 	Author URI: 	http://kendyson.com
 	License:        GPL-2.0+

public/class-paystack-forms-public.php

@@ -705,6 +705,9 @@ function kkd_pff_paystack_form_shortcode($atts) {
 			$quantity = get_post_meta($id,'_quantity',true);
 			$useagreement = get_post_meta($id,'_useagreement',true);
 			$agreementlink = get_post_meta($id,'_agreementlink',true);
+			$minimum = get_post_meta($id,'_minimum',true);
+			if ($minimum == "") {$minimum = 0;}
+
 			$showbtn = true;
 			$planerrorcode = 'Input Correct Recurring Plan Code';
 			  if ($recur == 'plan') {
@@ -758,6 +761,10 @@ function kkd_pff_paystack_form_shortcode($atts) {
 			 echo '<div class="span12 unit">
 				 <label class="label">Amount ('.$currency.') <span>*</span></label>
 				 <div class="input">';
+				 // echo "<pre>".$minimum. "</pre>";
+				 if ($minimum == 1) {
+					 echo '<small> Minimum payable amount <b style="font-size:87% !important;">'.$currency.'  '.number_format($amount).'</b></small>';
+				 }
 				 if ($recur == 'plan') {
 					 if ($showbtn) {
 						 echo '<input type="text" name="pf-amount" value="'.$planamount.'" id="pf-amount" readonly required/>';
@@ -771,7 +778,9 @@ function kkd_pff_paystack_form_shortcode($atts) {
 				 }else{
 					 	if ($amount == 0) {
 						 echo '<input type="text" name="pf-amount" class="pf-number" value="0" id="pf-amount" required/>';
-					 	}else{
+					 	}elseif($amount != 0 && $minimum == 1){
+							echo '<input type="text" name="pf-amount" value="'.$amount.'" id="pf-amount" required/>';
+						}else{
 							echo '<input type="text" name="pf-amount" value="'.$amount.'" id="pf-amount" readonly required/>';
 						}
 				 }
@@ -1080,13 +1089,14 @@ function kkd_pff_paystack_submit_action() {
 
 	$filelimit = get_post_meta($_POST["pf-id"],'_filelimit',true);
 	$currency = get_post_meta($_POST["pf-id"],'_currency',true);
-	$formamount = get_post_meta($_POST["pf-id"],'_amount',true);
+	$formamount = get_post_meta($_POST["pf-id"],'_amount',true);/// From form
 	$recur = get_post_meta($_POST["pf-id"],'_recur',true);
 	$subaccount = get_post_meta($_POST["pf-id"],'_subaccount',true);
 	$txnbearer = get_post_meta($_POST["pf-id"],'_txnbearer',true);
 
 	$txncharge = get_post_meta($_POST["pf-id"],'_txncharge',true);
-	$amount = (int)str_replace(' ', '', $_POST["pf-amount"]);
+	$minimum = get_post_meta($_POST["pf-id"],'_minimum',true);
+	$amount = (int)str_replace(' ', '', $_POST["pf-amount"]);//User input
 	$originalamount = $amount;
 	$quantity = 1;
 	$usequantity = get_post_meta($_POST["pf-id"],'_usequantity',true);
@@ -1105,6 +1115,13 @@ function kkd_pff_paystack_submit_action() {
 			$amount = $quantity*$unitamount;
 		}
 	}
+	if ($minimum == 1 && $formamount != 0) {
+		if ($originalamount < $formamount) {
+			$amount = $formamount;
+		}else{
+			$amount = $originalamount;
+		}
+	}
 	if ($txncharge == 'customer') {
 		$amount = kkd_pff_paystack_add_paystack_charge($amount);
 	}
@@ -1337,8 +1354,16 @@ function kkd_pff_paystack_confirm_payment() {
 		$currency = get_post_meta($payment_array->post_id,'_currency',true);
 		$txncharge = get_post_meta($payment_array->post_id,'_txncharge',true);
 		$redirect = get_post_meta($payment_array->post_id,'_redirect',true);
+		$minimum = get_post_meta($payment_array->post_id,'_minimum',true);
 
-
+		if ($minimum == 1 && $amount != 0) {
+			if ($payment_array->amount < $formamount) {
+				$amount = $formamount;
+			}else{
+				$amount = $payment_array->amount;
+			}
+		}
+		$oamount = $amount;
 		$mode =  esc_attr( get_option('mode') );
 		if ($mode == 'test') {
 			$key = esc_attr( get_option('tsk') );
@@ -1383,10 +1408,11 @@ function kkd_pff_paystack_confirm_payment() {
 								}
 
 
-								if ($txncharge == 'customer') {
-									$amount = kkd_pff_paystack_add_paystack_charge($amount);
-								}
-								if( $amount !=  $amount_paid ) {
+								// if ($txncharge == 'customer') {
+								// 	$amount = kkd_pff_paystack_add_paystack_charge($amount);
+								// }
+								if( $oamount !=  $amount_paid ) {
+									echo $amount. ' - '.$amount_paid;
 									$message = "Invalid amount Paid. Amount required is ".$currency."<b>".number_format($amount)."</b>";
 									$result = "failed";
 								}else{

public/js/paystack-forms-public.js

@@ -158,8 +158,7 @@
 						 					subaccount:data.subaccount,
 						 					bearer:data.txnbearer,
                             				ref: data.code,
-                            				transaction_charge:'0',
-						 					metadata: {'custom_fields': data.custom_fields},
+                            				metadata: {'custom_fields': data.custom_fields},
 						 					callback: function(response){
 						 						$.blockUI({ message: 'Please wait...' });
 						 						$.post($form.attr('action'), {'action':'kkd_pff_paystack_confirm_payment','code':response.trxref,'quantity':quantity}, function(newdata) {
@@ -199,7 +198,6 @@
 			 								lastname: lastName,
 						 					ref: data.code,
 						 					subaccount:data.subaccount,
-						 					transaction_charge:'0',
 						 					bearer:data.txnbearer,
                             				metadata: {'custom_fields': data.custom_fields},
 						 					callback: function(response){