From 3a5f526b498d4a1d550ef96b7faa608936c46993 Mon Sep 17 00:00:00 2001
From: ThomasFransolet <thomas.fransolet@hotmail.be>
Date: Sun, 14 Apr 2019 23:07:57 +0200
Subject: [PATCH] WIP Mqtt_to_Http : 3DPrinterMessages DONE !

---
 RPI Code/Mqtt_To_Http/mqtt_to_http.py | 99 +++++++++++++++++++++------
 1 file changed, 77 insertions(+), 22 deletions(-)

diff --git a/RPI Code/Mqtt_To_Http/mqtt_to_http.py b/RPI Code/Mqtt_To_Http/mqtt_to_http.py
index ca1a4bf..c0af5d9 100644
--- a/RPI Code/Mqtt_To_Http/mqtt_to_http.py	
+++ b/RPI Code/Mqtt_To_Http/mqtt_to_http.py	
@@ -4,7 +4,9 @@ import signal
 import time
 import json
 import paho.mqtt.client as mqtt
+import datetime
 
+# Init variables
 broker="localhost"
 #username="oilkfgjy"
 #password="lEyZb90q49Rf"
@@ -14,36 +16,79 @@ API_ENDPOINT = 'http://192.168.0.17:3000/api/iot/0'
 
 delay = 5000
 
-mqttc = mqtt.Client('Mqtt_To_Http_Interceptor')
-#mqttc.username_pw_set(username, password)
+bufferJsonPrinter = []
+headersVar = {}
 
-mqttc.connect(broker, 1883)
-
-TOKEN_URL = 'http://192.168.0.17:3000/api/token?username=Thomas&password=MonsieurMagic'
-
-r = requests.post(TOKEN_URL)
-
-if r.status_code == 200 :
-    token = r.text
-    print('we have a token!')
-
-hed = {'Authorization': "Bearer " + token +"f", 'Content-Type': "application/json"}
-print(hed)
+def getToken():
+    r = requests.post(TOKEN_URL)
+    global headersVar
 
+    if r.status_code == 200 :
+        token = r.text
+        print('we have a token!')
+        headersVar = {'Authorization': "Bearer " + token, 'Content-Type': "application/json", 'Accept': "application/json"}
+        print(headersVar)
+    else :
+        print("Error in getToken function")
+    
 def on_message(mosq, obj, msg):
-    print(msg.topic)
+    print("Topic = " + msg.topic)
+    global bufferJsonPrinter
+    global headers
     
     if msg.topic == '3DPrinterSensors' :
-        print(str(msg.payload, "utf-8"))
-        print(API_ENDPOINT)
+        msgPayload = str(msg.payload, "utf-8")
+        print("3DPrinterMessage = PayLoad : " + msgPayload)
+        
         # Add increment and test = if data length >= 10, push to DB via Http
         # Add Verification on token.. if status code == 401 forbidden then get token and call again the service
+        validData = False;
+        
+        try :
+            msgPayload = '{"Time":"'+ str(datetime.datetime.now()) + '",'+ msgPayload[1:]
+            bufferJsonPrinter.append(msgPayload)
+            #print("bufferJsonPrinter= " + bufferJsonPrinter["result"])
+            #item_dict = json.loads(bufferJsonPrinter)
+            #print("BufferJsonPrinter= " + json.dumps(bufferJsonPrinter))
+            print("3DPrinterMessage = NumberOfElement already collected : " + str(len(bufferJsonPrinter)))
+            validData = True;
+        except Exception as e:
+            print(e)
+            print("3DPrinterMessage = Got an error in parsing message")
 
-        jsonData = json.dumps([{'Time': '14/04/19', 'Temperature': 26.5, 'Pressure': 1004.3, 'Smoke': 100}])  
-        anotherR = requests.post(API_ENDPOINT,data=jsonData, headers=hed)
-        print (anotherR.text)
-        print(anotherR.status_code)
-          
+        if validData and len(bufferJsonPrinter) == 10:
+            print("I'm in !")
+            # Request
+            #jsonData1 = json.dumps([{'Time': '14/04/19', 'Temperature': 26.5, 'Pressure': 1004.3, 'Smoke': 100},{'Time': '14/04/19', 'Temperature': 26.5, 'Pressure': 1004.3, 'Smoke': 100}])
+
+            try:
+                jsonData = bufferJsonPrinter
+                #print('jsonData1 : ' + jsonData1)
+                #print('jsonData : ' + str(jsonData).replace("'",""))
+                printerRequest = requests.post(API_ENDPOINT,data=str(jsonData).replace("'",""), headers=headersVar)
+            except Exception as e:
+                print(e)
+                print("3DPrinterMessage = error in post request")
+            
+
+            while printerRequest.status_code == 401:
+                getToken()
+                time.sleep(20)
+                print("3DPrinterMessage = Forbidden error : Trying to send again the request with new token")
+                #jsonData = json.dumps([{'Time': '14/04/19', 'Temperature': 26.5, 'Pressure': 1004.3, 'Smoke': 100}])  
+                printerRequest = requests.post(API_ENDPOINT,data=bufferJsonPrinter["result"], headers=headersVar)
+                
+            if printerRequest.status_code == 404:
+                print("3DPrinterMessage = The server is unreachable (404)")
+            if printerRequest.status_code == 400:
+                print("3DPrinterMessage = Bad request (400)")
+            elif printerRequest.status_code == 200 or printerRequest.status_code == 201:
+                print("3DPrinterMessage = I sent the infos ! Everything is ok :) !")
+                bufferJsonPrinter = []
+            else:
+                print(str(printerRequest.status_code))
+                print("3DPrinterMessage = Unexpected Error : status code")
+    
         # Extracting data in json format 
         #data = r.json()
         
@@ -66,6 +111,16 @@ def on_message(mosq, obj, msg):
     else:
         print("Unknown topic")
 
+##########  MAIN CODE  ########## 
+
+mqttc = mqtt.Client('Mqtt_To_Http_Interceptor')
+#mqttc.username_pw_set(username, password)
+
+mqttc.connect(broker, 1883)
+
+TOKEN_URL = 'http://192.168.0.17:3000/api/token?username=Thomas&password=MonsieurMagic'
+
+getToken()
 
 mqttc.on_message=on_message
 #####