feat: implement filament and spool creation in Spoolman API

src/api.cpp

@@ -5,8 +5,21 @@
 #include <Preferences.h>
 #include "debug.h"
 #include "scale.h"
-
+#include <time.h>
 volatile spoolmanApiStateType spoolmanApiState = API_IDLE;
+
+// Returns current date and time in ISO8601 format
+String getCurrentDateISO8601() {
+    struct tm timeinfo;
+    if(!getLocalTime(&timeinfo)) {
+        Serial.println("Failed to obtain time");
+        return "1970-01-01T00:00:00Z";
+    }
+    char timeStringBuff[25];
+    strftime(timeStringBuff, sizeof(timeStringBuff), "%Y-%m-%dT%H:%M:%SZ", &timeinfo);
+    return String(timeStringBuff);
+}
+
 //bool spoolman_connected = false;
 String spoolmanUrl = "";
 bool octoEnabled = false;
@@ -17,6 +30,8 @@ uint16_t remainingWeight = 0;
 uint16_t createdVendorId = 0;  // Store ID of newly created vendor
 uint16_t foundVendorId = 0;    // Store ID of found vendor
 uint16_t foundFilamentId = 0;  // Store ID of found filament
+uint16_t createdFilamentId = 0;  // Store ID of newly created filament
+uint16_t createdSpoolId = 0;  // Store ID of newly created spool
 bool spoolmanConnected = false;
 bool spoolmanExtraFieldsChecked = false;
 TaskHandle_t* apiTask;
@@ -199,6 +214,20 @@ void sendToApi(void *parameter) {
                     Serial.println(foundFilamentId);
                 }
                 break;
+            case API_REQUEST_FILAMENT_CREATE:
+                Serial.println("Filament successfully created!");
+                createdFilamentId = doc["id"].as<uint16_t>();
+                Serial.print("Created Filament ID: ");
+                Serial.println(createdFilamentId);
+                oledShowProgressBar(1, 1, "Filament", "Created!");
+                break;
+            case API_REQUEST_SPOOL_CREATE:
+                Serial.println("Spool successfully created!");
+                createdSpoolId = doc["id"].as<uint16_t>();
+                Serial.print("Created Spool ID: ");
+                Serial.println(createdSpoolId);
+                oledShowProgressBar(1, 1, "Spool", "Created!");
+                break;
             }
         }
         doc.clear();
@@ -221,6 +250,20 @@ void sendToApi(void *parameter) {
                 Serial.println(createdVendorId);
                 oledShowProgressBar(1, 1, "Vendor", "Created!");
                 break;
+            case API_REQUEST_FILAMENT_CREATE:
+                Serial.println("Filament successfully created!");
+                createdFilamentId = doc["id"].as<uint16_t>();
+                Serial.print("Created Filament ID: ");
+                Serial.println(createdFilamentId);
+                oledShowProgressBar(1, 1, "Filament", "Created!");
+                break;
+            case API_REQUEST_SPOOL_CREATE:
+                Serial.println("Spool successfully created!");
+                createdSpoolId = doc["id"].as<uint16_t>();
+                Serial.print("Created Spool ID: ");
+                Serial.println(createdSpoolId);
+                oledShowProgressBar(1, 1, "Spool", "Created!");
+                break;
             default:
                 // Handle other create operations if needed
                 break;
@@ -294,6 +337,12 @@ void sendToApi(void *parameter) {
         case API_REQUEST_VENDOR_CREATE:
             oledShowProgressBar(1, 1, "Failure!", "Vendor create");
             break;
+        case API_REQUEST_FILAMENT_CREATE:
+            oledShowProgressBar(1, 1, "Failure!", "Filament create");
+            break;
+        case API_REQUEST_SPOOL_CREATE:
+            oledShowProgressBar(1, 1, "Failure!", "Spool create");
+            break;
         }
         Serial.println("Fehler beim Senden an Spoolman! HTTP Code: " + String(httpCode));
 
@@ -563,67 +612,7 @@ bool updateSpoolBambuData(String payload) {
     return true;
 }
 
-// #### Filament Fabrik
+// #### Brand Filament
-uint16_t checkVendor(String vendor) {
-    // Check if vendor exists using task system
-    foundVendorId = 0; // Reset previous value
-    
-    String spoolsUrl = spoolmanUrl + apiUrl + "/vendor?name=" + vendor;
-    Serial.print("Check vendor with URL: ");
-    Serial.println(spoolsUrl);
-
-    SendToApiParams* params = new SendToApiParams();
-    if (params == nullptr) {
-        Serial.println("Fehler: Kann Speicher für Task-Parameter nicht allokieren.");
-        return 0;
-    }
-    params->requestType = API_REQUEST_VENDOR_CHECK;
-    params->httpType = "GET";
-    params->spoolsUrl = spoolsUrl;
-    params->updatePayload = ""; // Empty for GET request
-
-    // Check if API is idle before creating task
-    if(spoolmanApiState == API_IDLE){
-        // Erstelle die Task
-        BaseType_t result = xTaskCreate(
-            sendToApi,                // Task-Funktion
-            "SendToApiTask",          // Task-Name
-            6144,                     // Stackgröße in Bytes
-            (void*)params,            // Parameter
-            0,                        // Priorität
-            NULL                      // Task-Handle (nicht benötigt)
-        );
-    } else {
-        Serial.println("Not spawning new task, API still active!");
-        delete params;
-        return 0;
-    }
-    
-    // Wait for task completion
-    while(spoolmanApiState != API_IDLE) {
-        vTaskDelay(100 / portTICK_PERIOD_MS);
-    }
-
-    // Check if vendor was found
-    if (foundVendorId == 0) {
-        Serial.println("Vendor not found, creating new vendor...");
-        uint16_t vendorId = createVendor(vendor);
-        if (vendorId == 0) {
-            Serial.println("Failed to create vendor, returning 0.");
-            return 0; // Failed to create vendor
-        } else {
-            Serial.println("Vendor created with ID: " + String(vendorId));
-            checkFilament(vendorId);
-            return vendorId;
-        }
-    } else {
-        Serial.println("Vendor found: " + vendor);
-        Serial.print("Vendor ID: ");
-        Serial.println(foundVendorId);
-        return foundVendorId;
-    }
-}
-
 uint16_t createVendor(String vendor) {
     // Create new vendor in Spoolman database using task system
     // Note: Due to async nature, the ID will be stored in createdVendorId global variable
@@ -685,11 +674,148 @@ uint16_t createVendor(String vendor) {
     return createdVendorId;
 }
 
-uint16_t checkFilament(uint16_t vendorId) {
+uint16_t checkVendor(String vendor) {
+    // Check if vendor exists using task system
+    foundVendorId = 0; // Reset previous value
+    
+    String spoolsUrl = spoolmanUrl + apiUrl + "/vendor?name=" + vendor;
+    Serial.print("Check vendor with URL: ");
+    Serial.println(spoolsUrl);
+
+    SendToApiParams* params = new SendToApiParams();
+    if (params == nullptr) {
+        Serial.println("Fehler: Kann Speicher für Task-Parameter nicht allokieren.");
+        return 0;
+    }
+    params->requestType = API_REQUEST_VENDOR_CHECK;
+    params->httpType = "GET";
+    params->spoolsUrl = spoolsUrl;
+    params->updatePayload = ""; // Empty for GET request
+
+    // Check if API is idle before creating task
+    if(spoolmanApiState == API_IDLE){
+        // Erstelle die Task
+        BaseType_t result = xTaskCreate(
+            sendToApi,                // Task-Funktion
+            "SendToApiTask",          // Task-Name
+            6144,                     // Stackgröße in Bytes
+            (void*)params,            // Parameter
+            0,                        // Priorität
+            NULL                      // Task-Handle (nicht benötigt)
+        );
+    } else {
+        Serial.println("Not spawning new task, API still active!");
+        delete params;
+        return 0;
+    }
+    
+    // Wait for task completion
+    while(spoolmanApiState != API_IDLE) {
+        vTaskDelay(100 / portTICK_PERIOD_MS);
+    }
+
+    // Check if vendor was found
+    if (foundVendorId == 0) {
+        Serial.println("Vendor not found, creating new vendor...");
+        uint16_t vendorId = createVendor(vendor);
+        if (vendorId == 0) {
+            Serial.println("Failed to create vendor, returning 0.");
+            return 0; // Failed to create vendor
+        } else {
+            Serial.println("Vendor created with ID: " + String(vendorId));
+            return vendorId;
+        }
+    } else {
+        Serial.println("Vendor found: " + vendor);
+        Serial.print("Vendor ID: ");
+        Serial.println(foundVendorId);
+        return foundVendorId;
+    }
+}
+
+uint16_t createFilament(uint16_t vendorId, const JsonDocument& payload) {
+    // Create new filament in Spoolman database using task system
+    // Note: Due to async nature, the ID will be stored in createdFilamentId global variable
+    createdFilamentId = 0; // Reset previous value
+    
+    String spoolsUrl = spoolmanUrl + apiUrl + "/filament";
+    Serial.print("Create filament with URL: ");
+    Serial.println(spoolsUrl);
+
+    // Create JSON payload for filament creation
+    JsonDocument filamentDoc;
+    filamentDoc["name"] = payload["name"].as<String>();
+    filamentDoc["vendor_id"] = String(vendorId);
+    filamentDoc["material"] = payload["type"].as<String>();
+    filamentDoc["density"] = (payload["density"].is<String>() && payload["density"].as<String>().length() > 0) ? payload["density"].as<String>() : "1.24";
+    filamentDoc["diameter"] = (payload["diameter"].is<String>() && payload["diameter"].as<String>().length() > 0) ? payload["diameter"].as<String>() : "1.75";
+    filamentDoc["weight"] = payload["weight"].as<String>();
+    filamentDoc["spool_weight"] = payload["spool_weight"].as<String>();
+    filamentDoc["article_number"] = payload["artnr"].as<String>();
+    filamentDoc["comment"] = String("automatically generated");
+    filamentDoc["extruder_temp"] = payload["extruder_temp"].is<String>() ? payload["extruder_temp"].as<String>() : "";
+    filamentDoc["bed_temp"] = payload["bed_temp"].is<String>() ? payload["bed_temp"].as<String>() : "";
+    filamentDoc["external_id"] = payload["artnr"].as<String>();
+
+    if (payload["multi_color_hexes"].is<String>()) {
+        filamentDoc["multi_color_hexes"] = payload["multi_color_hexes"].as<String>();
+        filamentDoc["multi_color_direction"] = payload["multi_color_direction"].is<String>() ? payload["multi_color_direction"].as<String>() : "";
+    }
+    else
+    {
+        filamentDoc["color_hex"] = (payload["color"].is<String>() && payload["color"].as<String>().length() >= 6) ? payload["color"].as<String>() : "FFFFFF";
+    }
+
+    String filamentPayload;
+    serializeJson(filamentDoc, filamentPayload);
+    Serial.print("Filament Payload: ");
+    Serial.println(filamentPayload);
+
+    SendToApiParams* params = new SendToApiParams();
+    if (params == nullptr) {
+        Serial.println("Fehler: Kann Speicher für Task-Parameter nicht allokieren.");
+        filamentDoc.clear();
+        return 0;
+    }
+    params->requestType = API_REQUEST_FILAMENT_CREATE;
+    params->httpType = "POST";
+    params->spoolsUrl = spoolsUrl;
+    params->updatePayload = filamentPayload;
+
+    // Check if API is idle before creating task
+    if(spoolmanApiState == API_IDLE){
+        // Erstelle die Task
+        BaseType_t result = xTaskCreate(
+            sendToApi,                // Task-Funktion
+            "SendToApiTask",          // Task-Name
+            6144,                     // Stackgröße in Bytes
+            (void*)params,            // Parameter
+            0,                        // Priorität
+            NULL                      // Task-Handle (nicht benötigt)
+        );
+    } else {
+        Serial.println("Not spawning new task, API still active!");
+        delete params;
+        filamentDoc.clear();
+        return 0;
+    }
+
+    filamentDoc.clear();
+    
+    // Wait for task completion and return the created filament ID
+    // Note: createdFilamentId will be set by sendToApi when response is received
+    while(spoolmanApiState != API_IDLE) {
+        vTaskDelay(100 / portTICK_PERIOD_MS);
+    }
+    
+    return createdFilamentId;
+}
+
+uint16_t checkFilament(uint16_t vendorId, const JsonDocument& payload) {
     // Check if filament exists using task system
     foundFilamentId = 0; // Reset previous value
 
-    String spoolsUrl = spoolmanUrl + apiUrl + "/filament?vendor.id=" + String(vendorId);
+    String spoolsUrl = spoolmanUrl + apiUrl + "/filament?vendor.id=" + String(vendorId) + "&external_id=" + String(payload["artnr"].as<String>());
     Serial.print("Check filament with URL: ");
     Serial.println(spoolsUrl);
 
@@ -728,13 +854,12 @@ uint16_t checkFilament(uint16_t vendorId) {
     // Check if filament was found
     if (foundFilamentId == 0) {
         Serial.println("Filament not found, creating new filament...");
-        uint16_t filamentId = createFilament();
+        uint16_t filamentId = createFilament(vendorId, payload);
         if (filamentId == 0) {
             Serial.println("Failed to create filament, returning 0.");
             return 0; // Failed to create filament
         } else {
             Serial.println("Filament created with ID: " + String(filamentId));
-            checkSpool();
             return filamentId;
         }
     } else {
@@ -745,54 +870,101 @@ uint16_t checkFilament(uint16_t vendorId) {
     }
 }
 
-bool createFilament() {
+uint16_t createSpool(uint16_t vendorId, uint16_t filamentId, JsonDocument& payload, String uidString) {
-    // {
+    // Create new spool in Spoolman database using task system
-    //     "name": "PolyTerra Charcoal Black",
+    // Note: Due to async nature, the ID will be stored in createdSpoolId global variable
-    //     "vendor_id": 0,
+    createdSpoolId = 0; // Reset previous value
-    //     "material": "PLA",
-    //     "price": 20,
-    //     "density": 1.24,
-    //     "diameter": 1.75,
-    //     "weight": 1000,
-    //     "spool_weight": 140,
-    //     "article_number": "PM70820",
-    //     "comment": "automatically generated",
-    //     "settings_extruder_temp": 210,
-    //     "settings_bed_temp": 60,
-    //     "color_hex": "FF0000",
-    //     "multi_color_hexes": "FF0000,00FF00,0000FF",
-    //     "multi_color_direction": "coaxial",
-    //     "external_id": "polymaker_pla_polysonicblack_1000_175",
-    //     "extra": {
-    //         "nozzle_temperature": "string"
-    //     }
-    // }
     
+    String spoolsUrl = spoolmanUrl + apiUrl + "/spool";
+    Serial.print("Create spool with URL: ");
+    Serial.println(spoolsUrl);
+    String currentDate = getCurrentDateISO8601();
+
+    // Create JSON payload for spool creation
+    JsonDocument spoolDoc;
+    spoolDoc["first_used"] = String(currentDate);
+    spoolDoc["last_used"] = String(currentDate);
+    spoolDoc["filament_id"] = String(filamentId);
+    spoolDoc["initial_weight"] = weight > 10 ? String(weight) : "1000";
+    spoolDoc["spool_weight"] = (payload["spool_weight"].is<String>() && payload["spool_weight"].as<String>().length() > 0) ? payload["spool_weight"].as<String>() : "180";
+    spoolDoc["remaining_weight"] = (payload["weight"].is<String>() && payload["weight"].as<String>().length() > 0) ? payload["weight"].as<String>() : "1000";
+    spoolDoc["used_weight"] = "0";
+    spoolDoc["lot_nr"] = (payload["lotnr"].is<String>() && payload["lotnr"].as<String>().length() > 0) ? payload["lotnr"].as<String>() : "";
+    spoolDoc["comment"] = "automatically generated";
+    spoolDoc["extra"]["nfc_id"] = "\"" + uidString + "\"";
+
+    String spoolPayload;
+    serializeJson(spoolDoc, spoolPayload);
+    Serial.print("Spool Payload: ");
+    Serial.println(spoolPayload);
+    spoolDoc.clear();
+
+    SendToApiParams* params = new SendToApiParams();
+    if (params == nullptr) {
+        Serial.println("Fehler: Kann Speicher für Task-Parameter nicht allokieren.");
+        spoolDoc.clear();
+        return 0;
+    }
+    params->requestType = API_REQUEST_SPOOL_CREATE;
+    params->httpType = "POST";
+    params->spoolsUrl = spoolsUrl;
+    params->updatePayload = spoolPayload;
+
+    // Check if API is idle before creating task
+    if(spoolmanApiState == API_IDLE){
+        // Erstelle die Task
+        BaseType_t result = xTaskCreate(
+            sendToApi,                // Task-Funktion
+            "SendToApiTask",          // Task-Name
+            6144,                     // Stackgröße in Bytes
+            (void*)params,            // Parameter
+            0,                        // Priorität
+            NULL                      // Task-Handle (nicht benötigt)
+        );
+    } else {
+        Serial.println("Not spawning new task, API still active!");
+        delete params;
+        return 0;
     }
     
-uint16_t checkSpool() {
+    // Wait for task completion and return the created spool ID
-
+    // Note: createdSpoolId will be set by sendToApi when response is received
+    while(spoolmanApiState != API_IDLE) {
+        vTaskDelay(100 / portTICK_PERIOD_MS);
     }
 
-bool createSpool() {
+    // daten mit startWriteJsonToTag schreiben
-    // Implement specific handling for Spool creation
+    // void startWriteJsonToTag(const bool isSpoolTag, const char* payload);
-    // {
+    payload["sm_id"].set(String(createdSpoolId));
-    //     "first_used": "2019-08-24T14:15:22Z",
+    
-    //     "last_used": "2019-08-24T14:15:22Z",
+    String payloadString;
-    //     "filament_id": 0,
+    serializeJson(payload, payloadString);
-    //     "price": 20,
+    startWriteJsonToTag(true, payloadString.c_str());
-    //     "initial_weight": 200,
+
-    //     "spool_weight": 200,
+    return createdSpoolId;
-    //     "remaining_weight": 800,
+}
-    //     "used_weight": 200,
+
-    //     "location": "Shelf A",
+bool createBrandFilament(JsonDocument& payload, String uidString) {
-    //     "lot_nr": "52342",
+    uint16_t vendorId = checkVendor(payload["brand"].as<String>());
-    //     "comment": "",
+    if (vendorId == 0) {
-    //     "archived": false,
+        Serial.println("ERROR: Failed to create/find vendor");
-    //     "extra": {
+        return false;
-    //         "nfc_id": "string"
+    }
-    //     }
+    
-    // }
+    uint16_t filamentId = checkFilament(vendorId, payload);
+    if (filamentId == 0) {
+        Serial.println("ERROR: Failed to create/find filament");
+        return false;
+    }
+    
+    uint16_t spoolId = createSpool(vendorId, filamentId, payload, uidString);
+    if (spoolId == 0) {
+        Serial.println("ERROR: Failed to create spool");
+        return false;
+    }
+    
+    Serial.println("SUCCESS: Brand filament created with Spool ID: " + String(spoolId));
+    return true;
 }
 
 // #### Spoolman init

src/api.h

@@ -20,7 +20,9 @@ typedef enum {
     API_REQUEST_SPOOL_LOCATION_UPDATE,
     API_REQUEST_VENDOR_CREATE,
     API_REQUEST_VENDOR_CHECK,
-    API_REQUEST_FILAMENT_CHECK
+    API_REQUEST_FILAMENT_CHECK,
+    API_REQUEST_FILAMENT_CREATE,
+    API_REQUEST_SPOOL_CREATE
 } SpoolmanApiRequestType;
 
 extern volatile spoolmanApiStateType spoolmanApiState;
@@ -30,9 +32,6 @@ extern bool octoEnabled;
 extern bool sendOctoUpdate;
 extern String octoUrl;
 extern String octoToken;
-extern uint16_t createdVendorId;  // ID of newly created vendor
-extern uint16_t foundVendorId;    // ID of found vendor
-extern uint16_t foundFilamentId;  // ID of found filament
 extern bool spoolmanConnected;
 
 bool checkSpoolmanInstance();
@@ -46,12 +45,6 @@ uint8_t updateSpoolLocation(String spoolId, String location);
 bool initSpoolman(); // Neue Funktion zum Initialisieren von Spoolman
 bool updateSpoolBambuData(String payload); // Neue Funktion zum Aktualisieren der Bambu-Daten
 bool updateSpoolOcto(int spoolId); // Neue Funktion zum Aktualisieren der Octo-Daten
-uint16_t checkVendor(String vendor); // Check if vendor exists, return ID
+bool createBrandFilament(JsonDocument& payload, String uidString);
-uint16_t createVendor(String vendor); // Create vendor, return ID
-uint16_t checkFilament(); // Check if filament exists, return ID
-bool createFilament(); // Create filament
-uint16_t checkSpool(); // Check if spool exists, return ID
-bool createSpool(); // Create spool
-void createFilamentFabrik(JsonDocument payload);
 
 #endif

src/bambu.cpp

@@ -33,6 +33,7 @@ AMSData ams_data[MAX_AMS];  // Definition des Arrays;
 bool removeBambuCredentials() {
     if (BambuMqttTask) {
         vTaskDelete(BambuMqttTask);
+        BambuMqttTask = NULL;
     }
     
     Preferences preferences;
@@ -63,6 +64,7 @@ bool removeBambuCredentials() {
 bool saveBambuCredentials(const String& ip, const String& serialnr, const String& accesscode, bool autoSend, const String& autoSendTime) {
     if (BambuMqttTask) {
         vTaskDelete(BambuMqttTask);
+        BambuMqttTask = NULL;
     }
 
     bambuCredentials.ip = ip.c_str();
@@ -593,6 +595,7 @@ void reconnect() {
                 Serial.println("Disable Bambu MQTT Task after 5 retries");
                 //vTaskSuspend(BambuMqttTask);
                 vTaskDelete(BambuMqttTask);
+                BambuMqttTask = NULL;
                 break;
             }
 
@@ -681,6 +684,7 @@ void bambu_restart() {
 
     if (BambuMqttTask) {
         vTaskDelete(BambuMqttTask);
+        BambuMqttTask = NULL;
         delay(10);
     }
     setupMqtt();

src/nfc.cpp

@@ -39,12 +39,6 @@ volatile nfcReaderStateType nfcReaderState = NFC_IDLE;
 // 6 = reading
 // ***** PN532
 
-
-// ##### Recycling Fabrik #####
-bool isRecyclingFabrik(const char* brand) {
-    return strcmp(brand, "Recycling Fabrik") == 0;
-}
-
 // ##### Funktionen für RFID #####
 void payloadToJson(uint8_t *data) {
     const char* startJson = strchr((char*)data, '{');
@@ -66,12 +60,6 @@ void payloadToJson(uint8_t *data) {
         int max_temp = doc["max_temp"];
         const char* brand = doc["brand"];
 
-        // Recycling Fabrik
-        if (isRecyclingFabrik(brand)) {
-          // TODO: Implement specific handling for Recycling Fabrik
-          Serial.println("Recycling Fabrik erkannt.");
-        }
-
         Serial.println();
         Serial.println("-----------------");
         Serial.println("JSON-Parsed Data:");
@@ -215,7 +203,7 @@ uint8_t ntag2xx_WriteNDEF(const char *payload) {
   return 1;
 }
 
-bool decodeNdefAndReturnJson(const byte* encodedMessage) {
+bool decodeNdefAndReturnJson(const byte* encodedMessage, String uidString) {
   oledShowProgressBar(1, octoEnabled?5:4, "Reading", "Decoding data");
 
   byte typeLength = encodedMessage[3];
@@ -266,12 +254,15 @@ bool decodeNdefAndReturnJson(const byte* encodedMessage) {
           oledShowProgressBar(1, 1, "Failure", "Scan spool first");
         }
       }
-      // Recycling Fabrik
+      // Brand Filament not registered to Spoolman
-      else if (isRecyclingFabrik(doc["type"].as<String>().c_str())) {
+      else if ((!doc["sm_id"].is<String>() || (doc["sm_id"].is<String>() && (doc["sm_id"] == "0" || doc["sm_id"] == "")))
-        // If no sm_id is present but the brand is Recycling Fabrik then
+              && doc["brand"].is<String>() && doc["artnr"].is<String>())
+      {
+        doc["sm_id"] = "0"; // Ensure sm_id is set to 0
+        // If no sm_id is present but the brand is Brand Filament then
         // create a new spool, maybe brand too, in Spoolman
-        Serial.println("Recycling Fabrik Tag found!");
+        Serial.println("New Brand Filament Tag found!");
-        createFilamentFabrik(doc);
+        createBrandFilament(doc, uidString);
       }
       else 
       {
@@ -393,6 +384,9 @@ void writeJsonToTag(void *parameter) {
   nfcReadingTaskSuspendRequest = false;
   pauseBambuMqttTask = false;
 
+  free(params->payload);
+  delete params;
+
   vTaskDelete(NULL);
 }
 
@@ -451,6 +445,16 @@ void scanRfidTask(void * parameter) {
 
         //vTaskDelay(500 / portTICK_PERIOD_MS);
 
+        // create Tag UID string
+        String uidString = "";
+        for (uint8_t i = 0; i < uidLength; i++) {
+          //TBD: Rework to remove all the string operations
+          uidString += String(uid[i], HEX);
+          if (i < uidLength - 1) {
+              uidString += ":"; // Optional: Trennzeichen hinzufügen
+          }
+        }
+        
         if (uidLength == 7)
         {
           uint16_t tagSize = readTagSize();
@@ -480,7 +484,7 @@ void scanRfidTask(void * parameter) {
               vTaskDelay(pdMS_TO_TICKS(1));
             }
 
-            if (!decodeNdefAndReturnJson(data)) 
+            if (!decodeNdefAndReturnJson(data, uidString)) 
             {
               oledShowProgressBar(1, 1, "Failure", "Unknown tag");
               nfcReaderState = NFC_READ_ERROR;

src/website.cpp

@@ -48,9 +48,15 @@ void onWsEvent(AsyncWebSocket *server, AsyncWebSocketClient *client, AwsEventTyp
     } else if (type == WS_EVT_PONG) {
         Serial.printf("WebSocket Client #%u pong\n", client->id());
     } else if (type == WS_EVT_DATA) {
-        String message = String((char*)data);
         JsonDocument doc;
-        deserializeJson(doc, message);
+        DeserializationError error = deserializeJson(doc, (char*)data, len);
+        //String message = String((char*)data);
+        //deserializeJson(doc, message);
+
+        if (error) {
+            Serial.println("JSON deserialization failed: " + String(error.c_str()));
+            return;
+        }
 
         if (doc["type"] == "heartbeat") {
             // Sende Heartbeat-Antwort