Feat/29 add sample project data

sample/src/main/kotlin/Main.kt

@@ -3,38 +3,58 @@ package dev.hossain.timeline
 import okio.BufferedSource
 import okio.buffer
 import okio.source
-import java.io.BufferedReader
 import java.io.File
 
+/**
+ * Main entry point for the sample application that tests the Google Location History [Parser].
+ * Drop your unzipped Google Location History JSON files from `Takeout\Location History (Timeline)`
+ * into `sample/src/main/resources` and run to test app.
+ *
+ * Sample directory structure for `Takeout\Location History (Timeline)`:
+ * ```
+ * |- Semantic Location History
+ * |  |- 2022
+ * |  |  |- 2022_January.json
+ * |- Records.json
+ * |- Settings.json
+ * |- Timeline Edits.json
+ * ```
+ */
 fun main() {
-  println("Sample app for timeline project.")
-  parseRecords()
-  parseSemanticRecords()
+  println("Sample app for Google Location History Parser project.")
+  val resourcesDir = File("sample/src/main/resources")
+  if(!resourcesDir.exists() || !resourcesDir.isDirectory) {
+    println("Resources directory not found. Please create `sample/src/main/resources` and put your Google Location History JSON files.")
+    return
+  }
+  val parser = Parser()
+  parseRecords(resourcesDir, parser)
+  parseSemanticRecords(resourcesDir, parser)
 }
 
-private fun parseRecords() {
-  val parser = Parser()
-  // load "Records.json" file
-  val recordsFile = File("sample/src/main/resources/Records.json")
-  val buffer: BufferedSource = recordsFile.source().buffer()
-  val records = parser.parseRecords(buffer)
+private fun parseRecords(resourcesDir: File, parser: Parser) {
+
+  val recordsFile = File(resourcesDir, "Records.json")
+  val bufferedSource: BufferedSource = recordsFile.source().buffer()
+  val records = parser.parseRecords(bufferedSource)
 
   println("Got records: ${records.locations.size} records.")
   println()
 }
 
-fun parseSemanticRecords() {
-  val parser = Parser()
-
-  val directory = File("sample/src/main/resources/Location_History/2022/")
-  val files = directory.listFiles()
-  files?.forEach {
-    // List each files of directory
-    println("Parsing file: ${it.name}")
+fun parseSemanticRecords(resourcesDir: File, parser: Parser) {
+  val directory = File(resourcesDir, "Semantic Location History")
 
-    val jsonText: String = it.readText()
-    val semanticTimeline = parser.parseSemanticTimeline(jsonText)
+  val semanticYears = directory.listFiles()
+  semanticYears?.forEach { yearDirectory ->
+    val files = yearDirectory.listFiles()
+    files?.forEach {
+      // List each files of directory
+      println("Parsing file: ${it.name}")
+      val bufferedSource: BufferedSource = it.source().buffer()
+      val semanticTimeline = parser.parseSemanticTimeline(bufferedSource)
 
-    println("Got timeline items: ${semanticTimeline.timelineObjects.size}")
+      println("Got timeline items: ${semanticTimeline.timelineObjects.size}")
+    }
   }
 }