commit 22/01/2026

src/Log/LogGetter.kt

@@ -0,0 +1,59 @@
+package Log
+
+import org.tinylog.Logger
+import java.nio.file.Files
+import java.nio.file.Paths
+
+/**
+ * Class to get log data from log files
+ */
+@Suppress("UNUSED")
+class LogGetter {
+    // valid date format either dd-MM-yyyy or dd/MM/yyyy
+    private val dateRegex = """(\d{2})[-/](\d{2})[-/](\d{4})""".toRegex()
+    // each logline is in format dd/MM/yyyy HH:mm:ss Function: Message
+    private val logLineRegex = """(\d{2}/\d{2}/\d{4}) (\d{2}:\d{2}:\d{2}) (.+?): (.+)""".toRegex()
+    // log folder is current working directory + /logs
+    private val logFolder: String = System.getProperty("user.dir") + "/logs"
+
+    /**
+     * Get log data for a specific date
+     * @param date Date in format dd-MM-yyyy or dd/MM/yyyy
+     * @return List of LogData for the specified date or empty list if date is invalid or no logs found
+     */
+    fun getLog(date: String) : ArrayList<LogData> {
+        // check date with dateRegex and find dd MM yyyy
+        val x = dateRegex.find(date)
+        if (x==null) {
+            Logger.error { "Invalid date format: $date" }
+            return arrayListOf()
+        }
+        val (day, month, year) = x.destructured
+
+
+        // logFilePath is logFolder/year/month/day.log
+        val p = Paths.get(logFolder, year, month, "${day}.log")
+        // check if file exists
+        if (!Files.exists(p)) {
+            Logger.error { "Log file does not exist: $p" }
+            return arrayListOf()
+        }
+        val logDataList = ArrayList<LogData>()
+        Files.newBufferedReader(p).useLines { lines ->
+            lines.forEachIndexed { index, string ->
+                val ll = logLineRegex.find(string)
+                if (ll != null && ll.groupValues.size == 5) {
+                    val logData = LogData(
+                        index ,
+                        ll.groupValues[1],
+                        ll.groupValues[2],
+                        ll.groupValues[3],
+                         ll.groupValues[4]
+                    )
+                    logDataList.add(logData)
+                }
+            }
+        }
+        return logDataList
+    }
+}