modified: software/database/sqlite.php

modified:   software/device-api.php
Temperature registration added

software/database/sqlite.php

@@ -8,7 +8,6 @@ interface DBIface
     public function getDeviceById($id);
     public function updateDevice($id, $deviceData);
     public function deleteDevice($id);
-    public function createOrUpdateReading($deviceID, $temperature, $humidity);
 }
 
 
@@ -43,16 +42,11 @@ class DB implements DBIface {
                 firmware_version INTEGER NOT NULL,
                 temperature_offset INTEGER DEFAULT 0,
                 humidity_offset INTEGER DEFAULT 0,
+                temperature INTEGER DEFAULT 0,
+                humidity INTEGER DEFAULT 0,
+                read_at INTEGER DEFAULT 0,
                 last_seen TEXT DEFAULT CURRENT_TIMESTAMP
             );
-            CREATE TABLE IF NOT EXISTS readings (
-                dev_id INTEGER PRIMARY KEY,
-                temperature INTEGER NOT NULL,
-                humidity INTEGER NOT NULL,
-                updated_at TEXT DEFAULT CURRENT_TIMESTAMP
-                FOREIGN KEY(dev_id) REFERENCES devices(id) ON UPDATE CASCADE ON DELETE CASCADE
-            );
-
         ";
         try {
             $this->pdo->exec($sql);
@@ -98,6 +92,10 @@ class DB implements DBIface {
     }
 
 public function updateDevice($id, $deviceData) {
+    // Add last_seen parameter
+    $deviceData['last_seen'] = date('Y-m-d H:i:s');
+
+
     // Start building the SQL query
     $sql = "UPDATE devices SET ";
     
@@ -141,37 +139,6 @@ public function updateDevice($id, $deviceData) {
             die("Error deleting device: " . $e->getMessage());
         }
     }
-
-    public function createOrUpdateReading($deviceID, $temperature, $humidity) {
-        $readingData = [
-            "dev_id" => $deviceID,
-            "temperature" => $temperature,
-            "humidity" => $humidity
-        ];
-
-        $sql = "SELECT COUNT(*) FROM readings WHERE dev_id = :dev_id";
-        try {
-            $stmt = $this->pdo->prepare($sql);
-            //$stmt->execute(['dev_id' => $deviceID]);
-            $stmt->execute($readingData);
-            $exists = $stmt->fetchColumn() > 0;
-
-            if ($exists) {
-                $sql = "UPDATE readings SET temperature = :temperature, humidity = :humidity WHERE dev_id = :dev_id";
-                $stmt = $this->pdo->prepare($sql);
-                $stmt->execute($readingData);
-                return $stmt->rowCount();
-            }
-            else {
-                $sql = "INSERT INTO readings (dev_id, temperature, humidity) VALUES (:dev_id, :temperature, :humidity)";
-                $stmt = $this->pdo->prepare($sql);
-                $stmt->execute($readingData);
-                return $this->pdo->lastInsertId();
-            }
-        } catch (PDOException $e) {
-            die("Error creating or updating reading: " . $e->getMessage());
-        }
-    }
 }
 
 /*

software/device-api.php

@@ -71,10 +71,29 @@ $router->post('/api/config', function($req) use($db) {
 });
 
 // Device reports temperature back on this endpoint.
-$router->post('/api/report', function($req) {
-    echo 'body:' . var_dump($req->getBody()) . "\n";
-    DumpHTTPRequestToFile::execute("/tmp/out.txt");
-    http_response_code(200);
+$router->post('/api/report', function($req) use($db) {
+    $msg = $req->getJSONBody();
+
+    if(!valid($msg,'id',          '/^[0-9]+$/') ||
+       !valid($msg,'temperature', '/^[0-9]+\.*[0-9]*$/') ||
+       !valid($msg,'humidity',    '/^[0-9]+\.*[0-9]*$/')
+    ) {
+        echo '{"error_message": "Field verification failed."}';
+        http_response_code(400);
+    }
+    else if($db->getDeviceByID($msg['id']) == null) {
+        echo '{"error_message": "ID '.$msg['id'].' not found"}';
+        http_response_code(400);
+    }
+    else {
+        $data = [
+            "temperature" => $msg['temperature'],
+            "humidity"    => $msg['humidity'],
+            "read_at"     => date('Y-m-d H:i:s')
+        ];
+        $db->updateDevice($msg['id'], $data);
+        http_response_code(200);
+    }
 });
 
 $router->get('/api/update', function() {