From f558de5fa940f47a9681bef5fdc2680a121487ac Mon Sep 17 00:00:00 2001
From: qvalentin <valentin.theodor@web.de>
Date: Fri, 22 Apr 2022 16:42:53 +0200
Subject: [PATCH] add CategoryPersistence Adapter implemenation

---
 0-Plugin/src/main/java/main/Main.java         | 10 ++++++
 .../CSVCategoryPersistenceAdapter.java        | 21 ++++++++---
 .../persistence/category/CategoryEntity.java  | 36 ++++++++++++++++++-
 3 files changed, 61 insertions(+), 6 deletions(-)

diff --git a/0-Plugin/src/main/java/main/Main.java b/0-Plugin/src/main/java/main/Main.java
index 2bfe90d..bef5087 100644
--- a/0-Plugin/src/main/java/main/Main.java
+++ b/0-Plugin/src/main/java/main/Main.java
@@ -1,11 +1,21 @@
 package main;
 
+import persistence.GenericCSVDAO;
+import persistence.category.CSVCategoryPersistenceAdapter;
+import persistence.category.CategoryEntity;
 import tag.TagName;
 
+import java.io.File;
+
 public class Main {
 
 	public static void main(String[] args) {
 		TagName test = new TagName("ds");
+
+		var csvCategoryPersistenceAdapter =
+				new CSVCategoryPersistenceAdapter(new GenericCSVDAO<CategoryEntity>(new File("dsa"),
+				                                                                    CategoryEntity::new));
+
 		System.out.println(test);
 	}
 }
diff --git a/1-Adapter/src/main/java/persistence/category/CSVCategoryPersistenceAdapter.java b/1-Adapter/src/main/java/persistence/category/CSVCategoryPersistenceAdapter.java
index 8a57e11..abf7783 100644
--- a/1-Adapter/src/main/java/persistence/category/CSVCategoryPersistenceAdapter.java
+++ b/1-Adapter/src/main/java/persistence/category/CSVCategoryPersistenceAdapter.java
@@ -2,22 +2,33 @@ package persistence.category;
 
 import abstraction.PersistenceAdapter;
 import category.Category;
+import persistence.GenericDAO;
 
 import java.util.Set;
+import java.util.function.Function;
+import java.util.stream.Collectors;
 
 public class CSVCategoryPersistenceAdapter implements PersistenceAdapter<Category> {
 
-	@Override
-	public Set<Category> getAll() {
-		return null;
+	static Function<String[], CategoryEntity> constuctor = CategoryEntity::new;
+	private final GenericDAO<CategoryEntity> categoryDAO;
+
+	public CSVCategoryPersistenceAdapter(GenericDAO<CategoryEntity> categoryDAO) {
+		this.categoryDAO = categoryDAO;
 	}
 
 	@Override
-	public void remove(Category value) {
+	public Set<Category> getAll() {
+		return categoryDAO.getALl().stream().map(CategoryEntity::toCategory).collect(Collectors.toSet());
+	}
+
+	@Override
+	public void remove(Category category) {
+		categoryDAO.remove(new CategoryEntity(category));
 	}
 
 	@Override
 	public void add(Category category) {
-
+		categoryDAO.add(new CategoryEntity(category));
 	}
 }
diff --git a/1-Adapter/src/main/java/persistence/category/CategoryEntity.java b/1-Adapter/src/main/java/persistence/category/CategoryEntity.java
index 2c67dcb..ced3733 100644
--- a/1-Adapter/src/main/java/persistence/category/CategoryEntity.java
+++ b/1-Adapter/src/main/java/persistence/category/CategoryEntity.java
@@ -1,5 +1,39 @@
 package persistence.category;
 
-public record CategoryEntity(String name, int id) {
+import category.Category;
+import category.CategoryId;
+import category.CategoryName;
+import persistence.csv.CSVSerializable;
 
+public class CategoryEntity implements CSVSerializable {
+
+	private final String name;
+	private final int id;
+
+	public CategoryEntity(String name, int id) {
+		this.name = name;
+		this.id = id;
+	}
+
+	public CategoryEntity(String[] fields) {
+		this(fields[0], Integer.parseInt(fields[1]));
+	}
+
+	public CategoryEntity(Category category) {
+		this(category.getName().toString(), category.getId().id());
+	}
+
+	public Category toCategory() {
+		return new Category(new CategoryName(name), new CategoryId(id));
+	}
+
+	@Override
+	public String[] getHeaders() {
+		return new String[]{"name", "id"};
+	}
+
+	@Override
+	public String toCSVString() {
+		return name + CSVSerializable.seperator + Integer.toString(id);
+	}
 }