v2.0.0-preview.1 - 重构TaskList部分

src/components/TaskList/composables/useTaskParentCalculation.ts

@@ -0,0 +1,105 @@
+import type { Task } from '../../../models/classes/Task'
+
+/**
+ * 父任务数据计算逻辑
+ * 负责计算父任务的进度和日期范围
+ */
+
+/**
+ * 计算父级任务的进度和日期范围
+ */
+export function calculateParentTaskData(
+  task: Task,
+): { progress: number; startDate: string; endDate: string } {
+  if (!task.children || task.children.length === 0) {
+    return {
+      progress: task.progress || 0,
+      startDate: task.startDate || '',
+      endDate: task.endDate || '',
+    }
+  }
+
+  // 递归收集所有子任务
+  const allChildTasks: Task[] = []
+  const collectChildTasks = (tasks: Task[]) => {
+    tasks.forEach(childTask => {
+      allChildTasks.push(childTask)
+      if (childTask.children && childTask.children.length > 0) {
+        collectChildTasks(childTask.children)
+      }
+    })
+  }
+  collectChildTasks(task.children)
+
+  // 计算进度：所有子任务进度的平均值
+  const totalProgress = allChildTasks.reduce((sum, childTask) => {
+    return sum + (childTask.progress || 0)
+  }, 0)
+  const averageProgress =
+    allChildTasks.length > 0 ? Math.round(totalProgress / allChildTasks.length) : 0
+
+  // 计算日期范围：最早开始日期和最晚结束日期
+  const validTasks = allChildTasks.filter(childTask => childTask.startDate && childTask.endDate)
+  if (validTasks.length === 0) {
+    return {
+      progress: averageProgress,
+      startDate: task.startDate || '',
+      endDate: task.endDate || '',
+    }
+  }
+
+  const startDates = validTasks.map(childTask => new Date(childTask.startDate!))
+  const endDates = validTasks.map(childTask => new Date(childTask.endDate!))
+
+  const earliestStart = new Date(Math.min(...startDates.map(date => date.getTime())))
+  const latestEnd = new Date(Math.max(...endDates.map(date => date.getTime())))
+
+  return {
+    progress: averageProgress,
+    startDate: earliestStart.toISOString().split('T')[0],
+    endDate: latestEnd.toISOString().split('T')[0],
+  }
+}
+
+/**
+ * 更新所有父级任务的进度和日期范围
+ */
+export function updateParentTasksData(tasks: Task[] | undefined) {
+  if (!tasks) return
+
+  const updateParentTask = (taskList: Task[]): void => {
+    taskList.forEach(task => {
+      if (task.children && task.children.length > 0) {
+        // 先更新子任务
+        updateParentTask(task.children)
+
+        // 计算父级任务的进度和日期范围
+        const parentData = calculateParentTaskData(task)
+        task.progress = parentData.progress
+        task.startDate = parentData.startDate
+        task.endDate = parentData.endDate
+      }
+    })
+  }
+
+  updateParentTask(tasks)
+}
+
+/**
+ * 获取所有任务的扁平化列表（包括子任务）
+ */
+export function getAllTasks(taskList: Task[]): Task[] {
+  const allTasks: Task[] = []
+
+  const collectTasks = (tasks: Task[]) => {
+    tasks.forEach(task => {
+      allTasks.push(task)
+      if (task.children && task.children.length > 0) {
+        collectTasks(task.children)
+      }
+    })
+  }
+
+  collectTasks(taskList)
+  return allTasks
+}