1 files changed, 109 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..2398745
--- /dev/null
+++ b/ufund-api/src/main/java/com/ufund/api/ufundapi/service/CupboardService.java
@@ -0,0 +1,109 @@
+package com.ufund.api.ufundapi.service;
+
+import java.io.IOException;
+import java.util.Arrays;
+
+import org.springframework.stereotype.Component;
+
+import com.ufund.api.ufundapi.DuplicateKeyException;
+import com.ufund.api.ufundapi.model.Need;
+import com.ufund.api.ufundapi.persistence.CupboardDAO;
+
+@Component
+public class CupboardService {
+
+    private final CupboardDAO cupboardDAO;
+
+    public CupboardService(CupboardDAO cupboardDAO) {
+        this.cupboardDAO = cupboardDAO;
+    }
+
+    /**
+     * Creates a new Need
+     *
+     * @param name The name of the need to create
+     * @param maxGoal The max goal of the new need
+     * @param goalType The goal type of the new need
+     * @return The need that was created
+     * @throws IOException Thrown if there was any issue saving the data
+     * @throws DuplicateKeyException If there already exists a need with the same name
+     */
+    public Need createNeed(String name, double maxGoal, Need.GoalType goalType) throws IOException, DuplicateKeyException {
+
+        if (maxGoal <= 0) {
+            throw new IllegalArgumentException("Max Goal must be greater than zero");
+        }
+
+        for (Need searchNeed : cupboardDAO.getNeeds()) {
+            if (searchNeed.getName().equalsIgnoreCase(name)) {
+                throw new DuplicateKeyException("Duplicate names are not allowed");
+            }
+        }
+
+        Need need = new Need(name, goalType, maxGoal);
+        return cupboardDAO.addNeed(need);
+
+    }
+
+    /**
+     * Get all the needs in the cupboard
+     *
+     * @return An array containing all needs
+     * @throws IOException Thrown if there was any issue saving the data
+     */
+    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 Thrown if there was any issue saving the data
+     */
+    public Need[] searchNeeds(String search) throws IOException {
+        return Arrays.stream(cupboardDAO.getNeeds())
+                .filter(i -> i.getName().toLowerCase().contains(search.toLowerCase()))
+                .toArray(Need[]::new);
+    }
+
+    /**
+     * Gets a need with the specified ID
+     *
+     * @param id the ID of the need
+     * @return The resulting Need or null if the need was not found
+     */
+    public Need getNeed(int id) throws IOException {
+        return cupboardDAO.getNeed(id);
+    }
+
+    /**
+     * Updates a need
+     *
+     * @param id The ID of the need to update
+     * @param need The need object to set (note: the ID is ignored)
+     * @return The updated need object
+     * @throws IOException Thrown if there was an issue saving the changes
+     */
+    public Need updateNeed(Need need, int id) throws IOException {
+        if (need.getId() != id) {
+            throw new IllegalArgumentException("ID in URL and body must match");
+        }
+        if (need.getMaxGoal() <= 0) {
+            throw new IllegalArgumentException("Goal must be greater than 0");
+        }
+        return cupboardDAO.updateNeed(need);
+    }
+
+    /**
+     * Delete a need from the cupboard
+     *
+     * @param id the ID of the need
+     * @return True if the need was deleted
+     * @throws IOException Thrown on any problem removing the need
+     */
+    public boolean deleteNeed(int id) throws IOException {
+        return cupboardDAO.deleteNeed(id);
+    }
+}