43 lines
1.2 KiB
JavaScript
43 lines
1.2 KiB
JavaScript
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// DataManager：任务数据管理器，负责任务的增删改查、分组、校验和变更通知
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export default class DataManager {
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constructor(tasks = [], dimensions = []) {
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this.tasks = tasks;
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this.dimensions = dimensions;
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this.listeners = [];
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}
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// 新增任务
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addTask(task) {
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this.tasks.push(task);
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this.notify();
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}
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// 更新任务
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updateTask(id, data) {
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const idx = this.tasks.findIndex(t => t.id === id);
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if (idx !== -1) {
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this.tasks[idx] = { ...this.tasks[idx], ...data };
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this.notify();
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}
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}
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// 删除任务
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removeTask(id) {
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this.tasks = this.tasks.filter(t => t.id !== id);
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this.notify();
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}
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// 按维度分组
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groupByDimension(dim) {
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const groups = {};
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this.tasks.forEach(task => {
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const key = task.dimensions && task.dimensions[dim] ? task.dimensions[dim].id : '未分组';
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if (!groups[key]) groups[key] = { id: key, name: task.dimensions && task.dimensions[dim] ? task.dimensions[dim].name : '未分组', tasks: [] };
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groups[key].tasks.push(task);
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});
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return Object.values(groups);
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}
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// 变更监听
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onChange(cb) {
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this.listeners.push(cb);
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}
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notify() {
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this.listeners.forEach(cb => cb(this.tasks));
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}
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}
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