merchant-frontend-examples

commit 9ea1d14d36e96bab9ebef689ce26223000aa2c2b
parent 9e2283eb0445b6f63379f87a1488ece8a606a972
Author: Marcello Stanisci <marcello.stanisci@inria.fr>
Date:   Mon, 21 Nov 2016 01:40:09 +0100

Adding /history handler

Diffstat:
M
php/doc/tutorial.texi
 | 
14
+++++++-------
M
php/history.php
 | 
20
+++++++++++++++++++-

2 files changed, 26 insertions(+), 8 deletions(-)
diff --git a/php/doc/tutorial.texi b/php/doc/tutorial.texi
@@ -514,16 +514,16 @@ Our example frontend, implements this feature by orchestrating two
 parts:
 
 @itemize
-@item The @code{history.php?days=<DAYSAGO>} script, whose @emph{<DAYSAGO>}
+@item The @code{history.php?days=<DAYSAGO>} script, whose @code{days}
       parameter indicates how old the oldest returned transaction should
-      be in terms of days.  This script, will then translate @emph{<DAYSAGO>}
-      in a timestamp, and issue the call to backend's @code{/history?date=<TIMESTAMP>}.
-      The data it receives from the backend is finally returned in
-      JSON format to the caller.
+      be in terms of days.  The script will then translate @emph{<DAYSAGO>}
+      in a timestamp, and issue the call to backend's
+      @code{/history?date=<TIMESTAMP>}.  The data it receives from the
+      backend is finally returned in JSON format to the caller.
 
 @item A JavaScript function, imported within @code{backoffice.html},
-      that triggers @code{history.php} and modifies the current page
-      by adding a table showing what is returned.
+      that issues the HTTP GET to @code{/history.php?days=<DAYSAGO>}
+      and modifies the current page by adding a table showing the result.
 @end itemize
 
 See below both parts:
diff --git a/php/history.php b/php/history.php
@@ -1,5 +1,23 @@
 <?php
   
-  // FIXME
+  include 'helpers.php';
+  include 'backend.php';
 
+  if (!isset($_GET['days'])) {
+    echo "<p>Please give 'days' parameter.</p>"; 
+    return;
+  }
+  
+  $now = new DateTime();
+  $now->subtract(new DateInterval(sprintf("P%sD", $_GET['days']));
+  $response = get_to_backend("/history",
+              array("date"=>$now->getTimestamp()));
+  if (200 != $response["status_code"]){
+    echo build_error($response,
+                     "Backend error",
+                     $response["status_code"]);
+    return;
+  }
+
+  echo $response["body"];
 ?>