feat: created categories initializer

src/main/java/com/application/munera/initializers/CategoryInitializer.java

@@ -0,0 +1,61 @@
+package com.application.munera.initializers;
+
+import com.application.munera.data.Category;
+import com.application.munera.services.CategoryService;
+import jakarta.annotation.PostConstruct;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+@Service
+public class CategoryInitializer {
+
+    @Autowired
+    private CategoryService categoryService;
+
+    @PostConstruct
+    public void init() {
+        if (categoryService.count() == 0) {
+            // Create and save the Food category
+            Category foodCategory = new Category();
+            foodCategory.setName("Food");
+            foodCategory.setDescription("All expenses related to food");
+            categoryService.save(foodCategory);
+
+            // Create and save the Travel category
+            Category travelCategory = new Category();
+            travelCategory.setName("Travel");
+            travelCategory.setDescription("Expenses related to traveling, including transport and accommodation");
+            categoryService.save(travelCategory);
+
+            // Create and save the Electronics category
+            Category electronicsCategory = new Category();
+            electronicsCategory.setName("Electronics");
+            electronicsCategory.setDescription("All expenses related to electronic devices and gadgets");
+            categoryService.save(electronicsCategory);
+
+            // Create and save the Events category
+            Category eventsCategory = new Category();
+            eventsCategory.setName("Events");
+            eventsCategory.setDescription("Expenses related to attending or organizing events");
+            categoryService.save(eventsCategory);
+
+            // Create and save the Clothing category
+            Category clothingCategory = new Category();
+            clothingCategory.setName("Clothing");
+            clothingCategory.setDescription("Expenses related to clothes and accessories");
+            categoryService.save(clothingCategory);
+
+            // Create and save the Bills category
+            Category billsCategory = new Category();
+            billsCategory.setName("Bills");
+            billsCategory.setDescription("Recurring expenses like utilities, internet, and other bills");
+            categoryService.save(billsCategory);
+
+            // Create and save the Rent category
+            Category rentCategory = new Category();
+            rentCategory.setName("Rent");
+            rentCategory.setDescription("Expenses related to rental payments for housing or office space");
+            categoryService.save(rentCategory);
+        }
+    }
+}

src/main/java/com/application/munera/initializers/UserInitializer.java

@@ -1,6 +1,7 @@
-package com.application.munera.security;
+package com.application.munera.initializers;
 
 import com.application.munera.data.User;
+import com.application.munera.security.AdminProperties;
 import com.application.munera.services.UserService;
 import jakarta.annotation.PostConstruct;
 import org.springframework.beans.factory.annotation.Autowired;

src/main/java/com/application/munera/services/CategoryService.java

@@ -37,4 +37,12 @@ public class CategoryService {
     public Page<Category> list(Pageable pageable){
         return categoryRepository.findAll(pageable);
     }
+
+    public Long count() {
+        return this.categoryRepository.count();
+    }
+
+    public Category save(Category category) {
+        return this.categoryRepository.save(category);
+    }
 }