pain.exe

Code/Steiner/CO2-Daten-Projekt-V2/src/ThingSpeakURLGenerator.java

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+import java.io.UnsupportedEncodingException;
+import java.net.URLEncoder;
+import java.time.LocalDateTime;
+import java.time.format.DateTimeFormatter;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+public class ThingSpeakURLGenerator {
+
+    // Constants for Room channel numbers
+    private static final int ROOM_39_NUMBER = 1521262;
+    private static final int ROOM_38_NUMBER = 1364580;
+    private static final int ROOM_37_NUMBER = 1521263;
+
+    // Example Dates for fetching data, dynamically generated
+    private static final LocalDateTime START_DATE = LocalDateTime.of(2024, 11, 1, 0, 0);
+    private static final LocalDateTime END_DATE = LocalDateTime.of(2024, 11, 1, 23, 59);
+
+    // Room URLs
+    private static final Map<Integer, String> ROOM_URLS = new HashMap<>();
+    static {
+        ROOM_URLS.put(39, createUrl(ROOM_39_NUMBER));
+        ROOM_URLS.put(38, createUrl(ROOM_38_NUMBER));
+        ROOM_URLS.put(37, createUrl(ROOM_37_NUMBER));
+    }
+
+    // Method to create the ThingSpeak API URL dynamically
+    public static String createUrl(int channelNumber) {
+        DateTimeFormatter formatter = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss");
+        String startDate = encodeUrlParam(START_DATE.format(formatter));
+        String endDate = encodeUrlParam(END_DATE.format(formatter));
+
+        return String.format("https://api.thingspeak.com/channels/%d/feeds.csv?start=%s&end=%s",
+                channelNumber, startDate, endDate);
+    }
+
+    // Helper method to URL encode the date strings
+    private static String encodeUrlParam(String value) {
+        try {
+            return URLEncoder.encode(value, "UTF-8");
+        } catch (UnsupportedEncodingException e) {
+            System.err.println("Error encoding URL parameter: " + e.getMessage());
+            return value;
+        }
+    }
+
+    // Method to calculate the average of a specific number of data points (e.g.,
+    // CO2 levels)
+    public static double calculateAverage(List<Co2Data> dataList) {
+        if (dataList == null || dataList.isEmpty()) {
+            return 0.0;
+        }
+
+        double sum = 0.0;
+        for (Co2Data data : dataList) {
+            sum += data.getCo2Level(); // Assuming Co2Data has a method getCo2Level() that returns the CO2 level
+        }
+        return sum / dataList.size();
+    }
+
+    public static void main(String[] args) {
+        try {
+            // Print out the generated URLs for each room
+            for (Map.Entry<Integer, String> entry : ROOM_URLS.entrySet()) {
+                System.out.println("Room " + entry.getKey() + " URL: " + entry.getValue());
+            }
+
+            // Example: Calculate and print the average CO2 level for each room (assuming
+            // Co2Data.getData() method exists)
+            List<Co2Data> room39Data = Co2Data.getData(ROOM_URLS.get(39));
+            List<Co2Data> room38Data = Co2Data.getData(ROOM_URLS.get(38));
+            List<Co2Data> room37Data = Co2Data.getData(ROOM_URLS.get(37));
+
+            double avgRoom39 = calculateAverage(room39Data);
+            double avgRoom38 = calculateAverage(room38Data);
+            double avgRoom37 = calculateAverage(room37Data);
+
+            System.out.println("Average CO2 Level in Room 39: " + avgRoom39);
+            System.out.println("Average CO2 Level in Room 38: " + avgRoom38);
+            System.out.println("Average CO2 Level in Room 37: " + avgRoom37);
+
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+}