Created Cupboard Service and refactored the controller and DAO to add the service as an inbetween with logic

1 files changed, 83 insertions, 0 deletions

diff --git a/ufund-api/src/main/java/com/ufund/api/ufundapi/service/CupboardService.java b/ufund-api/src/main/java/com/ufund/api/ufundapi/service/CupboardService.java
new file mode 100644
index 0000000..860a2a8
--- /dev/null
+++ b/ufund-api/src/main/java/com/ufund/api/ufundapi/service/CupboardService.java
@@ -0,0 +1,83 @@
+package com.ufund.api.ufundapi.service;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+import com.ufund.api.ufundapi.model.Need;
+import com.ufund.api.ufundapi.persistence.CupboardDAO;
+
+public class CupboardService {
+
+    private final CupboardDAO cupboardDAO;
+
+    public class DuplicateKeyException extends Exception {
+
+        public DuplicateKeyException(String message) {
+            super(message);
+        }
+
+    }
+
+    public CupboardService(CupboardDAO cupboardDAO) {
+        this.cupboardDAO = cupboardDAO;
+    }
+
+    public Need createNeed(String name, int maxGoal, Need.GoalType goalType) throws IOException, DuplicateKeyException {
+        
+        Need need = new Need(name, goalType, maxGoal);
+
+        if (need.getMaxGoal() <= 0) {
+            throw new IllegalArgumentException("Max Goal must be greater than zero");
+        } else {
+            for (Need searchNeed : cupboardDAO.getNeeds()) {
+                if (need.getName().equalsIgnoreCase(searchNeed.getName())) {
+                    throw new DuplicateKeyException("Duplicate names are not allowed");
+                }
+            }
+            return cupboardDAO.addNeed(need);
+        }
+        
+    }
+
+    public Need[] getNeeds() throws IOException {
+        return cupboardDAO.getNeeds();
+    }
+
+    /**
+     * Returns an array of needs filtered by a search
+     *
+     * @param search The search substring
+     * @return The requested array
+     * @throws IOException 
+     */
+    public Need[] searchNeeds(String search) throws IOException {
+        return Arrays.stream(cupboardDAO.getNeeds())
+                .filter(i -> i.getName().toLowerCase().contains(search.toLowerCase()))
+                .toArray(Need[]::new);
+    }
+
+    /**
+     * @param id
+     * @return
+     * @throws IOException
+     */
+    public Need getNeed(int id) throws IOException {
+        return cupboardDAO.getNeed(id);
+    }
+
+    /**
+     * 
+     * @param need
+     * @return
+     * @throws IOException
+     */
+    public Need updateNeed(Need need) throws IOException {
+        return cupboardDAO.updateNeed(need);
+    }
+
+    public boolean deleteNeed(int id) throws IOException {
+        return cupboardDAO.deleteNeed(id);
+    }
+
+    
+}