【8.3.0】【rule】更新pids计算的工具

kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/pidset/CalcParentIdListUtil.java

@@ -0,0 +1,45 @@
+package cn.stylefeng.roses.kernel.rule.pidset;
+
+import cn.stylefeng.roses.kernel.rule.constants.SymbolConstant;
+import cn.stylefeng.roses.kernel.rule.constants.TreeConstants;
+import cn.stylefeng.roses.kernel.rule.pidset.callback.PidGetterService;
+import cn.stylefeng.roses.kernel.rule.pidset.callback.PidSettable;
+import cn.stylefeng.roses.kernel.rule.pidset.pojo.ParentIdInfoPojo;
+
+/**
+ * pid和pids的填充计算
+ *
+ * @author fengshuonan
+ * @since 2024/8/30 13:45
+ */
+public class CalcParentIdListUtil {
+
+    /**
+     * 填充该节点的pIds
+     * <p>
+     * 如果pid是顶级节点，pids就是 [-1],
+     * <p>
+     * 如果pid不是顶级节点，pids就是父节点的pids + [pid] + ,
+     *
+     * @author fengshuonan
+     * @since 2024/8/30 13:45
+     */
+    public static void fillParentIds(PidSettable pidSettable, PidGetterService pidGetterService) {
+
+        // 如果父级是-1，则代表顶级节点
+        if (TreeConstants.DEFAULT_PARENT_ID.equals(pidSettable.getParentId())) {
+            pidSettable.setParentIdListString(SymbolConstant.LEFT_SQUARE_BRACKETS + TreeConstants.DEFAULT_PARENT_ID + SymbolConstant.RIGHT_SQUARE_BRACKETS + SymbolConstant.COMMA);
+        }
+
+        // 如果不是顶级节点，则查询到父级的id集合，再拼接上级id即可
+        else {
+            // 获取父级的节点信息
+            ParentIdInfoPojo pointNodePidInfo = pidGetterService.getPointNodePidInfo(pidSettable.getParentId());
+
+            // 设置本节点的父ids为 (上一个节点的pids + (上级节点的id) )
+            pidSettable.setParentIdListString(pointNodePidInfo.getParentIdListString() + SymbolConstant.LEFT_SQUARE_BRACKETS + pointNodePidInfo.getId() + SymbolConstant.RIGHT_SQUARE_BRACKETS + SymbolConstant.COMMA);
+        }
+
+    }
+
+}

kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/pidset/callback/PidGetterService.java

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+package cn.stylefeng.roses.kernel.rule.pidset.callback;
+
+import cn.stylefeng.roses.kernel.rule.pidset.pojo.ParentIdInfoPojo;
+
+/**
+ * 获取指定item的详情（详情包含父级的pids信息）
+ *
+ * @author fengshuonan
+ * @since 2024/8/30 13:50
+ */
+public interface PidGetterService {
+
+    /**
+     * 获取指定节点的pids信息
+     *
+     * @author fengshuonan
+     * @since 2024/8/30 13:50
+     */
+    ParentIdInfoPojo getPointNodePidInfo(Long itemId);
+
+}

kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/pidset/callback/PidSettable.java

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+package cn.stylefeng.roses.kernel.rule.pidset.callback;
+
+/**
+ * pid string填充回调
+ *
+ * @author fengshuonan
+ * @since 2024/8/30 13:46
+ */
+public interface PidSettable {
+
+    /**
+     * 获取当前节点的上级id
+     *
+     * @author fengshuonan
+     * @since 2024/8/30 13:51
+     */
+    Long getParentId();
+
+    /**
+     * 填充pid string的值
+     *
+     * @author fengshuonan
+     * @since 2024/8/30 13:47
+     */
+    void setParentIdListString(String parentIdListString);
+
+}

kernel-a-rule/src/main/java/cn/stylefeng/roses/kernel/rule/pidset/pojo/ParentIdInfoPojo.java

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+package cn.stylefeng.roses.kernel.rule.pidset.pojo;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * 父级id信息的获取
+ *
+ * @author fengshuonan
+ * @since 2024/8/30 13:54
+ */
+@Data
+@AllArgsConstructor
+@NoArgsConstructor
+public class ParentIdInfoPojo {
+
+    /**
+     * 指定节点的id
+     */
+    private Long id;
+
+    /**
+     * 指定节点的父级id集合
+     */
+    private String parentIdListString;
+
+}