completed initial charge logic

src/main/java/zw/qantra/tm/domain/controllers/TransactonController.java

@@ -1,18 +1,53 @@
 package zw.qantra.tm.domain.controllers;
 
 import lombok.RequiredArgsConstructor;
+import zw.qantra.tm.domain.services.TransactionService;
+import zw.qantra.tm.domain.models.Transaction;
+
 import org.springframework.http.ResponseEntity;
-import org.springframework.web.bind.annotation.PostMapping;
-import org.springframework.web.bind.annotation.RequestBody;
-import org.springframework.web.bind.annotation.RequestMapping;
-import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.bind.annotation.*;
+import java.util.List;
+import java.util.UUID;
 
 @RestController
 @RequestMapping("/transaction")
 @RequiredArgsConstructor
 public class TransactonController {
-    @PostMapping()
-    public ResponseEntity post(@RequestBody Object transactionRequest) {
-        return ResponseEntity.ok("Transaction endpoint is working");
+
+    private final TransactionService transactionService;
+
+    @GetMapping
+    public ResponseEntity<List<Transaction>> getAll() {
+        return ResponseEntity.ok(transactionService.getTransactionRepository().findAll());
+    }
+
+    @GetMapping("/{id}")
+    public ResponseEntity<Transaction> getById(@PathVariable UUID id) {
+        return transactionService.getTransactionRepository().findById(id)
+                .map(ResponseEntity::ok)
+                .orElse(ResponseEntity.notFound().build());
+    }
+
+    @PostMapping
+    public ResponseEntity<Transaction> create(@RequestBody Transaction transaction) {
+        return ResponseEntity.ok(transactionService.execute(transaction));
+    }
+
+    @PutMapping("/{id}")
+    public ResponseEntity<Transaction> update(@PathVariable UUID id, @RequestBody Transaction transaction) {
+        if (!transactionService.getTransactionRepository().existsById(id)) {
+            return ResponseEntity.notFound().build();
+        }
+        transaction.setId(id);
+        return ResponseEntity.ok(transactionService.execute(transaction));
+    }
+
+    @DeleteMapping("/{id}")
+    public ResponseEntity<Void> delete(@PathVariable UUID id) {
+        if (!transactionService.getTransactionRepository().existsById(id)) {
+            return ResponseEntity.notFound().build();
+        }
+        transactionService.getTransactionRepository().deleteById(id);
+        return ResponseEntity.noContent().build();
     }
 }