add api instansi and user management

src/main/java/com/iconplus/smartproc/service/instansi/PostCreateInstansiService.java

@@ -0,0 +1,41 @@
+package com.iconplus.smartproc.service.instansi;
+
+import com.iconplus.smartproc.exception.BusinessException;
+import com.iconplus.smartproc.helper.service.BaseService;
+import com.iconplus.smartproc.model.entity.Instansi;
+import com.iconplus.smartproc.model.request.InstansiRequest;
+import com.iconplus.smartproc.model.response.InstansiResponse;
+import com.iconplus.smartproc.repository.InstansiRepository;
+import org.springframework.stereotype.Service;
+
+@Service
+public class PostCreateInstansiService implements BaseService<InstansiRequest, InstansiResponse> {
+
+    private InstansiRepository instansiRepository;
+
+    public PostCreateInstansiService(InstansiRepository instansiRepository) {
+        this.instansiRepository = instansiRepository;
+    }
+
+    @Override
+    public InstansiResponse execute(InstansiRequest input) {
+
+        var instansi = instansiRepository.findByInstansiAndIsDeleteFalse(input.getInstansi());
+        if (instansi.isPresent()) {
+            throw new BusinessException("err", "err", "err");
+        }
+
+        Instansi instansiEntity = Instansi.builder()
+                .instansi(input.getInstansi())
+                .alamat(input.getAlamat())
+                .keterangan(input.getKeterangan())
+                .isActive(input.getIsActive())
+                .isDelete(false)
+                .build();
+        var result = instansiRepository.save(instansiEntity);
+
+        return InstansiResponse.builder()
+                .id(result.getId())
+                .build();
+    }
+}