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frontend/src/views/list/helpers/useGanttTaskList.ts

102 lines
2.6 KiB
TypeScript

import {computed, ref, shallowReactive, watch, type Ref} from 'vue'
import cloneDeep from 'lodash.clonedeep'
import type {Filters} from '@/composables/useRouteFilters'
import type {ITask, ITaskPartialWithId} from '@/modelTypes/ITask'
import TaskCollectionService, {type GetAllTasksParams} from '@/services/taskCollection'
import TaskService from '@/services/task'
import TaskModel from '@/models/task'
import {error, success} from '@/message'
// FIXME: unify with general `useTaskList`
export function useGanttTaskList<F extends Filters>(
filters: Ref<F>,
filterToApiParams: (filters: F) => GetAllTasksParams,
options: {
loadAll?: boolean,
} = {
loadAll: true,
}) {
const taskCollectionService = shallowReactive(new TaskCollectionService())
const taskService = shallowReactive(new TaskService())
const isLoading = computed(() => taskCollectionService.loading)
const tasks = ref<Map<ITask['id'], ITask>>(new Map())
async function fetchTasks(params: GetAllTasksParams, page = 1): Promise<ITask[]> {
const tasks = await taskCollectionService.getAll({listId: filters.value.listId}, params, page) as ITask[]
if (options.loadAll && page < taskCollectionService.totalPages) {
const nextTasks = await fetchTasks(params, page + 1)
return tasks.concat(nextTasks)
}
return tasks
}
/**
* Load and assign new tasks
* Normally there is no need to trigger this manually
*/
async function loadTasks() {
const params: GetAllTasksParams = filterToApiParams(filters.value)
const loadedTasks = await fetchTasks(params)
tasks.value = new Map()
loadedTasks.forEach(t => tasks.value.set(t.id, t))
}
/**
* Load tasks when filters change
*/
watch(
filters,
() => loadTasks(),
{immediate: true, deep: true},
)
async function addTask(task: Partial<ITask>) {
const newTask = await taskService.create(new TaskModel({...task}))
tasks.value.set(newTask.id, newTask)
return newTask
}
async function updateTask(task: ITaskPartialWithId) {
const oldTask = cloneDeep(tasks.value.get(task.id))
if (!oldTask) return
// we extend the task with potentially missing info
const newTask: ITask = {
...oldTask,
...task,
}
// set in expectation that server update works
tasks.value.set(newTask.id, newTask)
try {
const updatedTask = await taskService.update(newTask)
// update the task with possible changes from server
tasks.value.set(updatedTask.id, updatedTask)
success('Saved')
} catch(e: any) {
error('Something went wrong saving the task')
// roll back changes
tasks.value.set(task.id, oldTask)
}
}
return {
tasks,
isLoading,
loadTasks,
addTask,
updateTask,
}
}