add php for api call

camunda/src/main/java/de/unikoblenz/fgbas/bs/bpm/iot/RfidTimerReaderService.java

@@ -20,7 +20,7 @@ import org.apache.http.impl.client.HttpClients;
 
 public class RfidTimerReaderService implements JavaDelegate {
 
-  public static final String GET_HTTP_RFID_API = "http://localhost/postserver/rfidtest.json";
+  public static final String GET_HTTP_RFID_API = "http://zeit-bis.de/api/rfid.php?action=get";
 
   private final Logger LOGGER = LoggerFactory.getLogger(RfidTimerReaderService.class);
 
@@ -36,7 +36,7 @@ public class RfidTimerReaderService implements JavaDelegate {
         String rfidTag = jo.getString("tagId");
         SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
         Date date = sdf.parse(jo.getString("timeStamp"));
-        LOGGER.info("Starting product review  with rfid tag {" + rfidTag + "}");
+        LOGGER.info("Starting product review  with rfid tag {" + rfidTag + "} Date:" + date.toString());
         // Create new Process
         Map<String, Object> variables = new HashMap<String, Object>();
         variables.put("rfidTag", rfidTag);
@@ -49,7 +49,7 @@ public class RfidTimerReaderService implements JavaDelegate {
   }
 
   private Optional<HttpResponse> sendHTTPRequest() {
-    LOGGER.info("Message send:");
+    LOGGER.info("Message sending..");
     HttpClient client = HttpClients.createDefault();
     HttpGet get = new HttpGet(GET_HTTP_RFID_API);
     get.setHeader("content-type", "application/json");

camunda/src/main/java/de/unikoblenz/fgbas/bs/bpm/iot/service/RfidProductService.java

@@ -9,7 +9,8 @@ public class RfidProductService {
 
   static {
     rifdProductMap.put("12345678", "Pizza");
-    rifdProductMap.put("87654321", "Doener");
+    rifdProductMap.put("87654321", "Döner");
+    rifdProductMap.put("12121212", "Spaghetti");
   }
 
   private RfidProductService() {

phpApi/rfid.php

+<?php
+$filename = 'data.json';
+
+// test request type
+$action = 'default';
+if (isset($_REQUEST['action'])) {
+    $action = $_REQUEST['action'];
+}
+
+if ($action === 'append') {
+    // append new rfid tag entry to json file
+    // rfid tag id
+    if (isset($_REQUEST['tagId'])) {
+        $tagId = $_REQUEST['tagId'];
+        // current timestamp
+        date_default_timezone_set("Europe/Berlin");
+        $timeStampJson = '"timeStamp": "' . date("Y-m-d H:i:s") . '"';
+        $rfidTagJson = '"tagId" : "' . $tagId . '"';
+        // new json tag
+        $newJson = '{' . $rfidTagJson . ',' . $timeStampJson . '}';
+        // save new json
+        $currentJson = str_replace(']', '', file_get_contents($filename));
+        // only append, if tag is not in the current file
+        if (strpos($currentJson, $tagId) === false) {
+            if ($currentJson !== '[') {
+                $currentJson .= ',';
+            }
+            $currentJson .= $newJson . ']';
+            // write file
+            file_put_contents($filename, $currentJson);
+        }
+    }
+
+} else if ($action === 'get') {
+    // get the current rfid tag
+    $content = file_get_contents($filename);
+    echo $content;
+    // clear file /(empty json array)
+    file_put_contents($filename, "[]");
+}
\ No newline at end of file