修复费用审核前调整和运输取消及对账明细约束

finance/src/main/resources/db/finance.sql

@@ -225,7 +225,8 @@ CREATE TABLE IF NOT EXISTS fin_bill_line (
   currency_code CHAR(3) NOT NULL DEFAULT 'CNY' COMMENT 'ISO 4217三位币种代码，首期仅CNY',
   created_at DATETIME(3) NOT NULL DEFAULT CURRENT_TIMESTAMP(3) COMMENT '账单明细创建时间',
   PRIMARY KEY (id),
-  UNIQUE KEY uk_fin_bill_line_source (source_type, source_id, source_version),
+  UNIQUE KEY uk_fin_bill_line_bill_source (bill_id, source_type, source_id, source_version),
+  KEY idx_fin_bill_line_source (source_type, source_id, source_version),
   KEY idx_fin_bill_line_bill (tenant_id, bill_id),
   CONSTRAINT chk_fin_bill_line_tenant CHECK (tenant_id > 0),
   CONSTRAINT chk_fin_bill_line_currency CHECK (currency_code = 'CNY'),

finance/src/test/java/com/baiyue/finance/FinanceReconciliationSchemaContractTest.java

@@ -0,0 +1,66 @@
+package com.baiyue.finance;
+
+import org.junit.jupiter.params.ParameterizedTest;
+import org.junit.jupiter.params.provider.ValueSource;
+import org.springframework.dao.DuplicateKeyException;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.jdbc.datasource.DriverManagerDataSource;
+
+import java.math.BigDecimal;
+import java.nio.charset.StandardCharsets;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.util.UUID;
+import java.util.regex.Pattern;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+class FinanceReconciliationSchemaContractTest {
+
+    /** 执行真实明细表约束，复现两笔费用作废后重新出单，保留原单快照且单内不能重复。 */
+    @ParameterizedTest
+    @ValueSource(booleans = {false, true})
+    void voidedStatementKeepsHistoryWhileItsTwoSourcesCanEnterANewStatement(boolean unified) throws Exception {
+        JdbcTemplate jdbc = createSchema(unified);
+        jdbc.execute("CREATE TABLE fin_bill(id BIGINT PRIMARY KEY,tenant_id BIGINT NOT NULL,status VARCHAR(32) NOT NULL)");
+        jdbc.update("INSERT INTO fin_bill VALUES(501,9,'ISSUED'),(502,9,'DRAFT')");
+        insertLine(jdbc, 1, 501, 88);
+        insertLine(jdbc, 2, 501, 89);
+        jdbc.update("UPDATE fin_bill SET status='VOIDED' WHERE id=501");
+
+        insertLine(jdbc, 3, 502, 88);
+        insertLine(jdbc, 4, 502, 89);
+
+        assertThat(jdbc.queryForObject("SELECT COUNT(*) FROM fin_bill_line WHERE bill_id=501", Integer.class)).isEqualTo(2);
+        assertThat(jdbc.queryForObject("SELECT COUNT(*) FROM fin_bill_line WHERE bill_id=502", Integer.class)).isEqualTo(2);
+        assertThat(jdbc.queryForObject("SELECT status FROM fin_bill WHERE id=501", String.class)).isEqualTo("VOIDED");
+        assertThat(jdbc.queryForObject("SELECT SUM(l.amount) FROM fin_bill_line l JOIN fin_bill b ON b.id=l.bill_id AND b.tenant_id=l.tenant_id WHERE b.status<>'VOIDED'", BigDecimal.class))
+            .isEqualByComparingTo("200.00");
+        assertThatThrownBy(() -> insertLine(jdbc, 5, 502, 88)).isInstanceOf(DuplicateKeyException.class);
+        assertThat(jdbc.queryForObject("SELECT COUNT(*) FROM fin_bill_line", Integer.class)).isEqualTo(4);
+    }
+
+    /** 从模块或统一空库入口读取真实建表语句，仅移除 H2 不支持的 MySQL 存储语法。 */
+    private static JdbcTemplate createSchema(boolean unified) throws Exception {
+        Path unifiedPath = Path.of("deploy", "sql", "头程数据库统一增量-MySQL8.sql");
+        if (!Files.exists(unifiedPath)) unifiedPath = Path.of("..", "deploy", "sql", "头程数据库统一增量-MySQL8.sql");
+        String sql = Files.readString(unified ? unifiedPath : Path.of("src/main/resources/db/finance.sql"), StandardCharsets.UTF_8);
+        var table = Pattern.compile("CREATE TABLE (?:IF NOT EXISTS )?fin_bill_line \\(.*?\\) ENGINE=[^;]*;", Pattern.DOTALL).matcher(sql);
+        assertThat(table.find()).isTrue();
+        String ddl = table.group().replaceFirst("\\) ENGINE=[^;]*;", ");")
+            .replaceAll("(?i) COMMENT '(?:[^']|'')*'", "")
+            .replaceAll("(?i)\\bUNSIGNED\\b|_utf8mb4", "")
+            .replaceAll("(?m)^\\s*KEY [^\\r\\n]+\\r?\\n", "")
+            .replaceAll("UNIQUE KEY (\\w+)", "CONSTRAINT $1 UNIQUE");
+        var jdbc = new JdbcTemplate(new DriverManagerDataSource("jdbc:h2:mem:" + UUID.randomUUID() + ";MODE=MySQL;DB_CLOSE_DELAY=-1"));
+        jdbc.execute(ddl);
+        return jdbc;
+    }
+
+    /** 写入完整合成明细，仅改变本测试关注的单据和费用来源身份。 */
+    private static void insertLine(JdbcTemplate jdbc, long id, long billId, long sourceId) {
+        jdbc.update("INSERT INTO fin_bill_line(id,tenant_id,bill_id,source_type,source_id,source_version,fee_item_code,fee_item_name,amount,currency_code) VALUES(?,9,?,'FIRSTLEG_FEE',?,1,'SYNTHETIC','合成测试费用',100,'CNY')",
+            id, billId, sourceId);
+    }
+}

finance/src/test/java/com/baiyue/finance/ReconciliationStatementBehaviorTest.java

@@ -126,6 +126,22 @@ class ReconciliationStatementBehaviorTest {
         verify(jdbc).update(org.mockito.ArgumentMatchers.startsWith("UPDATE fin_fee_source SET status='LOCKED'"), eq(88L), eq(9L));
     }
 
+    /** 已被占用的费用不能完成第二张有效对账单的生成，事务必须拒绝提交。 */
+    @Test
+    void createRejectsSourceWhoseAvailableStatusCannotBeLocked() throws Exception {
+        JdbcTemplate jdbc = createJdbc();
+        when(jdbc.update(org.mockito.ArgumentMatchers.startsWith("UPDATE fin_fee_source SET status='LOCKED'"), eq(88L), eq(9L)))
+            .thenReturn(0);
+        CreateReconciliationRequest request = new CreateReconciliationRequest(9L, "CNY", "SELECTED", List.of(88L),
+            LocalDate.of(2026, 8, 1), LocalDate.of(2026, 8, 31), null);
+
+        assertThatThrownBy(() -> serviceWithNumber(jdbc).create(71L, "create-key", request))
+            .isInstanceOf(FinanceEventException.class)
+            .hasMessage("费用来源已被其他对账单占用")
+            .extracting(error -> ((FinanceEventException) error).code()).isEqualTo("FIN_409");
+        verify(jdbc, never()).update(org.mockito.ArgumentMatchers.startsWith("UPDATE fin_idempotency_record SET status='SUCCEEDED'"), (Object[]) any());
+    }
+
     @Test
     void selectedCrossCustomerSourceIsHiddenAsNotFoundBeforeBillInsert() throws Exception {
         JdbcTemplate jdbc = mock(JdbcTemplate.class, invocation -> {
@@ -428,6 +444,24 @@ class ReconciliationStatementBehaviorTest {
         verify(jdbc).update(org.mockito.ArgumentMatchers.startsWith("UPDATE fin_fee_source f JOIN"), eq(9L), eq(501L), eq(9L));
     }
 
+    /** 作废单的两笔原费用有任一已进入新单时，旧单不得重开为另一张有效单。 */
+    @ParameterizedTest
+    @ValueSource(ints = {0, 1})
+    void reopenRejectsVoidedStatementWhenReplacementOccupiesAnySource(int reacquired) throws Exception {
+        JdbcTemplate jdbc = actionJdbc("VOIDED", "DRAFT", "reopen-conflict-key");
+        when(jdbc.queryForObject(org.mockito.ArgumentMatchers.startsWith("SELECT COUNT(*) FROM fin_bill_line"), eq(Integer.class), eq(9L), eq(501L)))
+            .thenReturn(2);
+        when(jdbc.update(org.mockito.ArgumentMatchers.startsWith("UPDATE fin_fee_source f JOIN"), eq(9L), eq(501L), eq(9L)))
+            .thenReturn(reacquired);
+
+        assertThatThrownBy(() -> serviceWithNumber(jdbc).action(71L, 501L, "reopen-conflict-key",
+            new ReconciliationActionRequest("REOPEN", "重新核对", 4, List.of())))
+            .isInstanceOf(FinanceEventException.class)
+            .hasMessage("原费用来源已被占用，无法重开对账单")
+            .extracting(error -> ((FinanceEventException) error).code()).isEqualTo("FIN_409");
+        verify(jdbc, never()).update(org.mockito.ArgumentMatchers.startsWith("UPDATE fin_bill SET status="), (Object[]) any());
+    }
+
     @Test
     void reconciliationIdempotencyRecoversFailedAndStaleProcessingRecords() {
         ReconciliationActionRequest body = new ReconciliationActionRequest("SUBMIT", null, 0, List.of());