Add csv export

src/main/kotlin/main/Main.kt

@@ -27,6 +27,9 @@ import kotlinx.serialization.json.put
 import java.io.File
 import java.io.FileWriter
 import java.io.IOException
+import kotlinx.serialization.json.Json
+import kotlinx.serialization.json.JsonObject
+import kotlinx.serialization.json.JsonPrimitive
 
 
 val connection = DatabaseManager.getConnection()
@@ -120,7 +123,24 @@ fun App() {
                             println("Open command cancelled by user.")
                         }
                     },
-                    onExporterClick = { /* Action d'export */ },
+                    onExporterClick = {
+                        val fileDialog = FileDialog(Frame(), "Save as", FileDialog.SAVE)
+                        fileDialog.file = "GlossaireExporte.csv"
+                        fileDialog.isVisible = true
+
+                        val selectedFile = fileDialog.file
+                        val selectedDirectory = fileDialog.directory
+
+                        if (selectedFile != null) {
+                            val csvFilePath = selectedDirectory + selectedFile
+                            println("Exporting to: $csvFilePath")
+
+                            exportJsonToCSV("glossaire.json", csvFilePath)
+                        } else {
+                            println("Export command cancelled by user.")
+                        }
+                    }
+                    ,
                     onRetourClick = { currentPage.value = "accueil" }
                 )
             }
@@ -188,6 +208,50 @@ fun App() {
     }
 }
 
+fun exportJsonToCSV(jsonFilePath: String, csvFilePath: String) {
+    try {
+        // Read JSON file
+        val jsonContent = File(jsonFilePath).readText(Charsets.UTF_8)
+        val glossaryData = Json.parseToJsonElement(jsonContent)
+
+        if (glossaryData is JsonObject) {
+            val header = glossaryData.keys.toList()
+            val csvContent = buildString {
+                // Append the header
+                append(header.joinToString(separator = ";"))
+                append("\n")
+
+                // Append the data
+                appendJsonToCSV(glossaryData, this)
+            }
+
+            // Write to CSV file
+            File(csvFilePath).writeText(csvContent, Charsets.UTF_8)
+            println("Export successful. File saved at: $csvFilePath")
+        } else {
+            println("Invalid JSON file format.")
+        }
+    } catch (e: IOException) {
+        println("Error exporting data: ${e.message}")
+    }
+}
+
+fun appendJsonToCSV(json: JsonObject, stringBuilder: StringBuilder) {
+    val values = json.values.map {
+        when (it) {
+            is JsonPrimitive -> it.content
+            is JsonObject -> {
+                val nestedValues = buildString { appendJsonToCSV(it, this) }
+                "\"$nestedValues\""
+            }
+            else -> ""
+        }
+    }
+
+    stringBuilder.append(values.joinToString(separator = ";"))
+    stringBuilder.append("\n")
+}
+
 fun importCSV(cheminFichier: String) {
     val file = File(cheminFichier).readText(Charsets.UTF_8)