feat: expose built-in currency demand data

src/main/java/com/yau/digitalrmb/issuance/application/service/CommercialBankIssuanceApplicationService.java

@@ -154,12 +154,9 @@ public class CommercialBankIssuanceApplicationService {
     }
 
     @Transactional(readOnly = true)
-    public CommercialBankInventoryView getInventory(String bankCode) {
-        if (bankCode == null) {
-            throw new BusinessException(ErrorCode.VALIDATION_ERROR, "bank code must not be null");
-        }
-        IssuanceBankInventory inventory = repository.findInventoryByBankCode(bankCode).orElseThrow(() ->
-                new BusinessException(ErrorCode.RESOURCE_NOT_FOUND, "issuance bank inventory was not found: " + bankCode));
+    public CommercialBankInventoryView getInventory() {
+        IssuanceBankInventory inventory = repository.findBuiltInInventory().orElseThrow(() ->
+                new BusinessException(ErrorCode.RESOURCE_NOT_FOUND, "built-in issuance inventory was not found"));
         return new CommercialBankInventoryView(inventory.getBankCode(), inventory.getCurrentBalance(),
                 inventory.getWarningThreshold(), inventory.getSuggestedSupplementAmount());
     }

src/main/java/com/yau/digitalrmb/issuance/domain/repository/IssuanceRequestRepository.java

@@ -15,5 +15,5 @@ public interface IssuanceRequestRepository {
 
     Optional<IssuanceRequest> findById(IssuanceApplicationId id);
 
-    Optional<IssuanceBankInventory> findInventoryByBankCode(String bankCode);
+    Optional<IssuanceBankInventory> findBuiltInInventory();
 }

src/main/java/com/yau/digitalrmb/issuance/infrastructure/persistence/repository/MybatisIssuanceRequestRepository.java

@@ -27,6 +27,7 @@ import java.util.UUID;
 
 @Repository
 public class MybatisIssuanceRequestRepository implements IssuanceRequestRepository {
+    private static final String BUILT_IN_INVENTORY_BANK_CODE = "BKCHCNBJ00001";
     private final IssuanceRequestMapper requestMapper;
     private final IssuanceRequestDenominationMapper denominationMapper;
     private final IssuanceBankInventoryMapper inventoryMapper;
@@ -98,8 +99,8 @@ public class MybatisIssuanceRequestRepository implements IssuanceRequestReposito
     }
 
     @Override
-    public Optional<IssuanceBankInventory> findInventoryByBankCode(String bankCode) {
-        IssuanceBankInventoryEntity inventory = inventoryMapper.selectById(bankCode);
+    public Optional<IssuanceBankInventory> findBuiltInInventory() {
+        IssuanceBankInventoryEntity inventory = inventoryMapper.selectById(BUILT_IN_INVENTORY_BANK_CODE);
         if (inventory == null) {
             return Optional.empty();
         }

src/main/java/com/yau/digitalrmb/issuance/interfaces/rest/CommercialBankIssuanceController.java

@@ -28,7 +28,7 @@ public class CommercialBankIssuanceController {
     private final CommercialBankIssuanceApplicationService service;
     public CommercialBankIssuanceController(CommercialBankIssuanceApplicationService service){this.service=service;}
     @GetMapping("/inventory") @Operation(summary="查询货币需求信息", description="商业银行端查询库存余额、预警阈值和建议补充金额")
-    public ApiResponse<CommercialBankInventoryView> inventory(@RequestParam String bankCode){return ok(service.getInventory(bankCode));}
+    public ApiResponse<CommercialBankInventoryView> inventory(){return ok(service.getInventory());}
     @PostMapping("/requests") @Operation(summary="创建发行申请", description="商业银行端创建数字货币发行申请草稿")
     public ApiResponse<IssuanceRequestView> create(@Valid @RequestBody CreateIssuanceRequest request,@AuthenticationPrincipal Jwt jwt){return ok(service.create(new CreateIssuanceRequestCommand(request.getBankCode(),request.getOrganizationId(),request.getTotalAmount(),request.getCurrency(),items(request.getDenominations())),actor(jwt)));}
     @PutMapping("/requests/{id}") @Operation(summary="更新发行申请", description="商业银行端仅可更新草稿状态的发行申请")

src/test/java/com/yau/digitalrmb/issuance/application/service/CentralBankIssuanceQueryServiceTest.java

@@ -68,7 +68,7 @@ class CentralBankIssuanceQueryServiceTest {
         }
 
         @Override
-        public Optional<IssuanceBankInventory> findInventoryByBankCode(String bankCode) {
+        public Optional<IssuanceBankInventory> findBuiltInInventory() {
             return Optional.empty();
         }
     }

src/test/java/com/yau/digitalrmb/issuance/application/service/CommercialBankIssuanceApplicationServiceTest.java

@@ -101,7 +101,7 @@ class CommercialBankIssuanceApplicationServiceTest {
         }
 
         @Override
-        public Optional<IssuanceBankInventory> findInventoryByBankCode(String bankCode) {
+        public Optional<IssuanceBankInventory> findBuiltInInventory() {
             return Optional.empty();
         }
     }

src/test/java/com/yau/digitalrmb/issuance/infrastructure/persistence/MybatisIssuanceRequestRepositoryTest.java

@@ -71,7 +71,7 @@ class MybatisIssuanceRequestRepositoryTest {
 
     @Test
     void readsSuggestedAmountAsThresholdMinusCurrentBalance() {
-        IssuanceBankInventory inventory = repository.findInventoryByBankCode("BKCHCNBJ00001")
+        IssuanceBankInventory inventory = repository.findBuiltInInventory()
                 .orElseThrow(() -> new AssertionError("seeded bank inventory was not found"));
 
         assertThat(inventory.getCurrentBalance()).isEqualByComparingTo("49950000.00");
@@ -79,21 +79,6 @@ class MybatisIssuanceRequestRepositoryTest {
         assertThat(inventory.getSuggestedSupplementAmount()).isEqualByComparingTo("50000.00");
     }
 
-    @Test
-    void clampsSuggestedAmountToZeroWhenBalanceExceedsThreshold() {
-        IssuanceBankInventoryEntity inventory = new IssuanceBankInventoryEntity();
-        inventory.setBankCode("BKCLAMP00001");
-        inventory.setCurrentBalance(new BigDecimal("60000000.00"));
-        inventory.setWarningThreshold(new BigDecimal("50000000.00"));
-        inventory.setUpdatedAt(java.time.LocalDateTime.now());
-        inventoryMapper.insert(inventory);
-
-        IssuanceBankInventory restored = repository.findInventoryByBankCode("BKCLAMP00001")
-                .orElseThrow(() -> new AssertionError("inventory was not restored"));
-
-        assertThat(restored.getSuggestedSupplementAmount()).isEqualByComparingTo("0.00");
-    }
-
     @Test
     void savingChangedDraftReplacesRatherThanAccumulatesDenominations() {
         UUID id = UUID.randomUUID();

src/test/java/com/yau/digitalrmb/issuance/interfaces/rest/IssuanceControllerTest.java

@@ -52,6 +52,16 @@ class IssuanceControllerTest {
                 .andExpect(status().isOk()).andExpect(jsonPath("$.data.receiveStatus").value("RECEIVED"));
     }
 
+    @Test
+    void readsBuiltInCurrencyDemandWithoutRequestParameters() throws Exception {
+        mockMvc.perform(get("/api/v1/commercial-banks/issuance/inventory")
+                        .with(jwt().jwt(jwt -> jwt.subject("487").claim("preferred_username", "tzs001"))))
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("$.data.currentBalance").value(49950000.00))
+                .andExpect(jsonPath("$.data.warningThreshold").value(50000000.00))
+                .andExpect(jsonPath("$.data.suggestedSupplementAmount").value(50000.00));
+    }
+
     @Test
     void swaggerDocumentsBothChineseIssuanceEnds() throws Exception {
         String apiDocs = new String(mockMvc.perform(get("/v3/api-docs"))