From 0bfff2719e14a62c56633160c545cee3c6eb4b47 Mon Sep 17 00:00:00 2001
From: Rithvik Sriram <r.sriram-1@student.tudelft.nl>
Date: Thu, 4 Dec 2025 22:37:45 +0100
Subject: [PATCH 1/4] fundamental print logic implemented

---
 client/src/main/java/client/utils/PrintExportService.java | 4 ++++
 1 file changed, 4 insertions(+)
 create mode 100644 client/src/main/java/client/utils/PrintExportService.java

diff --git a/client/src/main/java/client/utils/PrintExportService.java b/client/src/main/java/client/utils/PrintExportService.java
new file mode 100644
index 0000000..cd226fe
--- /dev/null
+++ b/client/src/main/java/client/utils/PrintExportService.java
@@ -0,0 +1,4 @@
+package client.utils;
+
+public class PrintExportService {
+}

From 91fbefb3923d88503ce8e92927809b858c9b9623 Mon Sep 17 00:00:00 2001
From: Rithvik Sriram <r.sriram-1@student.tudelft.nl>
Date: Fri, 5 Dec 2025 13:54:56 +0100
Subject: [PATCH 2/4] Basic print functionality done with comments

---
 .../java/client/utils/PrintExportService.java | 63 +++++++++++++++++++
 1 file changed, 63 insertions(+)

diff --git a/client/src/main/java/client/utils/PrintExportService.java b/client/src/main/java/client/utils/PrintExportService.java
index cd226fe..5198c41 100644
--- a/client/src/main/java/client/utils/PrintExportService.java
+++ b/client/src/main/java/client/utils/PrintExportService.java
@@ -1,4 +1,67 @@
 package client.utils;
 
+import commons.Recipe;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+
 public class PrintExportService {
+
+    /**
+     * Builds the String with all the recipe data in a human-readable format and returns said string
+     * @param recipe - Recipe Object that needs to be converted
+     * @return - String Result that is the converted recipe object
+     */
+    public static String buildRecipeText(Recipe recipe){
+        String result = "Title: " + recipe.getName() + "\nRecipe ID: " + recipe.getId() + "\n" +
+                "Ingredients: ";  //Starts the string with name and recipe ID
+        for(int i =0; i<recipe.getIngredients().size();i++){ // For loop adding ingredients one by one
+            result +=  recipe.getIngredients().get(i) + ", ";
+        }
+        result += "Steps:\n";
+        for(int i =0; i<recipe.getPreparationSteps().size();i++){ // Preparation Steps separated by new lines
+            result += (i+1) + ": " + recipe.getPreparationSteps().get(i) + "\n";
+        }
+        return result;
+    }
+
+    /**
+     * Method that checks if the directory path of the selected directory is valid and throws and error
+     * if not valid
+     * @param path - Path to directory
+     */
+    public static void validateFolder(Path path){
+        if (path == null) {             //Null path value
+            throw new IllegalArgumentException("Path is empty");
+        }
+        if(!Files.exists(path)){        //If Folder doesn't exist
+            throw new IllegalArgumentException("Folder does not exist");
+        }
+        if(!Files.isDirectory(path)){       // If folder is not directory
+            throw new IllegalArgumentException("Given path is not a folder");
+        }
+    }
+
+    /**
+     * Method that exports a plain-text String of recipe data, into a newly created file from
+     * a selected directory provided as a path to the method and names said file based on the
+     * nameOfFile param
+     * @param recipeData - String containing recipe data that will be written to file
+     * @param dirFilePath - Path to Folder
+     * @param nameOfFile - Name of file to be created
+     */
+    public static void exportToFile(String recipeData, Path dirFilePath, String nameOfFile){
+        validateFolder(dirFilePath); //runs validate Folder method to check if Directory path is valid
+        Path filePath = dirFilePath.resolve(nameOfFile);    //Creates a file with name provided in directory and stores path in PATH object
+        try {
+            Files.writeString(filePath, recipeData); // Writes the recipe data into the File.
+        }
+        catch (IOException e){
+            System.err.println("An error occurred while writing to the file");
+        }
+
+
+    }
 }
+

From 7d32799f13ea19ee1ba559ed38a62adc4d7f04c9 Mon Sep 17 00:00:00 2001
From: Rithvik Sriram <r.sriram-1@student.tudelft.nl>
Date: Fri, 5 Dec 2025 15:21:19 +0100
Subject: [PATCH 3/4] Print export Unit tests are written

---
 .../java/client/utils/PrintExportService.java |  2 +-
 .../java/client/scenes/PrintExportTest.java   | 69 +++++++++++++++++++
 2 files changed, 70 insertions(+), 1 deletion(-)
 create mode 100644 client/src/test/java/client/scenes/PrintExportTest.java

diff --git a/client/src/main/java/client/utils/PrintExportService.java b/client/src/main/java/client/utils/PrintExportService.java
index 5198c41..17c947c 100644
--- a/client/src/main/java/client/utils/PrintExportService.java
+++ b/client/src/main/java/client/utils/PrintExportService.java
@@ -19,7 +19,7 @@ public class PrintExportService {
         for(int i =0; i<recipe.getIngredients().size();i++){ // For loop adding ingredients one by one
             result +=  recipe.getIngredients().get(i) + ", ";
         }
-        result += "Steps:\n";
+        result += "\nSteps:\n";
         for(int i =0; i<recipe.getPreparationSteps().size();i++){ // Preparation Steps separated by new lines
             result += (i+1) + ": " + recipe.getPreparationSteps().get(i) + "\n";
         }
diff --git a/client/src/test/java/client/scenes/PrintExportTest.java b/client/src/test/java/client/scenes/PrintExportTest.java
new file mode 100644
index 0000000..a46be2b
--- /dev/null
+++ b/client/src/test/java/client/scenes/PrintExportTest.java
@@ -0,0 +1,69 @@
+package client.scenes;
+
+import client.utils.PrintExportService;
+import client.utils.ServerUtils;
+import commons.Recipe;
+import org.junit.jupiter.api.Assumptions;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.io.TempDir;
+
+import java.io.IOException;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+public class PrintExportTest {
+    static ServerUtils dv = new ServerUtils();
+    @BeforeEach
+    public void setup(){
+        Assumptions.assumeTrue(dv.isServerAvailable(), "Server not available");
+    }
+
+    @Test
+    public void buildRecipeTextTest(){
+        List<String> ingredients = new ArrayList<>();
+        ingredients.add("Banana");
+        ingredients.add("Bread");
+        List<String> preparationSteps = new ArrayList<>();
+        preparationSteps.add("Mix Ingredients");
+        preparationSteps.add("Heat in Oven");
+        Recipe recipe1 = new Recipe(1234L, "Banana Bread", ingredients, preparationSteps);
+
+        assertEquals("""
+                Title: Banana Bread
+                Recipe ID: 1234
+                Ingredients: Banana, Bread,\s
+                Steps:
+                1: Mix Ingredients
+                2: Heat in Oven
+                """, PrintExportService.buildRecipeText(recipe1));
+
+    }
+
+    @TempDir
+    Path tempDir;
+    @Test
+    public void validateFolderWithValidFolderTest(){
+        assertDoesNotThrow(() -> PrintExportService.validateFolder(tempDir));
+    }
+
+    @Test
+    public void validateFolderWithNullPathTest(){
+        IllegalArgumentException i = assertThrows(IllegalArgumentException.class,
+                ()->PrintExportService.validateFolder(null));
+        assertEquals("Path is empty", i.getMessage());
+    }
+
+    @Test
+    public void validateFolderWithFilePathTest() throws IOException {
+        Path filePath = Files.createFile(tempDir.resolve("TestFile"));
+        IllegalArgumentException i = assertThrows(IllegalArgumentException.class,
+                ()->PrintExportService.validateFolder(filePath));
+        assertEquals("Given path is not a folder", i.getMessage());
+    }
+
+}

From b38e0e7482d94db613bbcc1b70bad882e8881767 Mon Sep 17 00:00:00 2001
From: Rithvik Sriram <r.sriram-1@student.tudelft.nl>
Date: Fri, 5 Dec 2025 15:27:53 +0100
Subject: [PATCH 4/4] fixed all pipeline errors

---
 client/src/test/java/client/scenes/PrintExportTest.java | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/client/src/test/java/client/scenes/PrintExportTest.java b/client/src/test/java/client/scenes/PrintExportTest.java
index a46be2b..897c88d 100644
--- a/client/src/test/java/client/scenes/PrintExportTest.java
+++ b/client/src/test/java/client/scenes/PrintExportTest.java
@@ -28,10 +28,11 @@ public class PrintExportTest {
         List<String> ingredients = new ArrayList<>();
         ingredients.add("Banana");
         ingredients.add("Bread");
+        final long testRecipeId = 1234L;
         List<String> preparationSteps = new ArrayList<>();
         preparationSteps.add("Mix Ingredients");
         preparationSteps.add("Heat in Oven");
-        Recipe recipe1 = new Recipe(1234L, "Banana Bread", ingredients, preparationSteps);
+        Recipe recipe1 = new Recipe(testRecipeId, "Banana Bread", ingredients, preparationSteps);
 
         assertEquals("""
                 Title: Banana Bread