vikunja/frontend/src/composables/useTaskList.ts

262 lines
7.6 KiB
TypeScript

import {ref, shallowReactive, watch, computed, type ComputedGetter} from 'vue'
import {useRouter, isNavigationFailure} from 'vue-router'
import type {LocationQueryRaw} from 'vue-router'
import {useRouteQuery} from '@vueuse/router'
import TaskCollectionService, {
type ExpandTaskFilterParam,
getDefaultTaskFilterParams,
type TaskFilterParams,
} from '@/services/taskCollection'
import type {ITask} from '@/modelTypes/ITask'
import {error} from '@/message'
import type {IProject} from '@/modelTypes/IProject'
import {useAuthStore} from '@/stores/auth'
import {useViewFiltersStore} from '@/stores/viewFilters'
import type {IProjectView} from '@/modelTypes/IProjectView'
export type Order = 'asc' | 'desc' | 'none'
export interface SortBy {
id?: Order
index?: Order
done?: Order
title?: Order
priority?: Order
due_date?: Order
start_date?: Order
end_date?: Order
percent_done?: Order
created?: Order
updated?: Order
done_at?: Order,
position?: Order,
}
const VALID_SORT_FIELDS = new Set<string>(
['id', 'index', 'done', 'title', 'priority', 'due_date', 'start_date',
'end_date', 'percent_done', 'created', 'updated', 'done_at', 'position'],
)
function parseSortQuery(raw: string, fallback: SortBy): SortBy {
const result: Record<string, Order> = {}
for (const part of raw.split(',')) {
const [field, order] = part.split(':')
if (!VALID_SORT_FIELDS.has(field)) continue
if (order !== 'asc' && order !== 'desc') continue
result[field] = order
}
return Object.keys(result).length > 0 ? result as SortBy : {...fallback}
}
function serializeSortBy(sortBy: SortBy, defaultSort: SortBy): string | undefined {
const keys = Object.keys(sortBy) as (keyof SortBy)[]
const defaultKeys = Object.keys(defaultSort) as (keyof SortBy)[]
const isDefault = keys.length === defaultKeys.length &&
keys.every(k => sortBy[k] === defaultSort[k])
if (isDefault) return undefined
return keys.map(k => `${k}:${sortBy[k]}`).join(',')
}
const SORT_BY_DEFAULT: SortBy = {
id: 'desc',
}
interface TaskListQueryState {
sort: string | undefined
filter: string | undefined
s: string | undefined
page: number
}
export function buildStoredQuery(state: TaskListQueryState): LocationQueryRaw {
const query: LocationQueryRaw = {}
if (state.sort) query.sort = state.sort
if (state.filter) query.filter = state.filter
if (state.s) query.s = state.s
if (state.page > 1) query.page = String(state.page)
return query
}
// This makes sure an id sort order is always sorted last.
// When tasks would be sorted first by id and then by whatever else was specified, the id sort takes
// precedence over everything else, making any other sort columns pretty useless.
function formatSortOrder(sortBy, params) {
let hasIdFilter = false
const sortKeys = Object.keys(sortBy)
for (const s of sortKeys) {
if (s === 'id') {
sortKeys.splice(s, 1)
hasIdFilter = true
break
}
}
if (hasIdFilter) {
sortKeys.push('id')
}
params.sort_by = sortKeys
params.order_by = sortKeys.map(s => sortBy[s])
return params
}
/**
* This mixin provides a base set of methods and properties to get tasks.
*/
export function useTaskList(
projectIdGetter: ComputedGetter<IProject['id']>,
projectViewIdGetter: ComputedGetter<IProjectView['id']>,
sortByDefault: SortBy = SORT_BY_DEFAULT,
expandGetter: ComputedGetter<ExpandTaskFilterParam> = () => 'subtasks',
) {
const projectId = computed(() => projectIdGetter())
const projectViewId = computed(() => projectViewIdGetter())
const router = useRouter()
const viewFiltersStore = useViewFiltersStore()
const params = ref<TaskFilterParams>({...getDefaultTaskFilterParams()})
const page = useRouteQuery('page', '1', { transform: Number })
const filter = useRouteQuery('filter')
const s = useRouteQuery('s')
watch(filter, v => { params.value.filter = v ?? '' }, { immediate: true })
watch(s, v => { params.value.s = v ?? '' }, { immediate: true })
watch(() => params.value.filter, v => { filter.value = v || undefined })
watch(() => params.value.s, v => { s.value = v || undefined })
const sortQuery = useRouteQuery('sort')
const sortBy = computed<SortBy>({
get() {
const raw = sortQuery.value as string | undefined
if (!raw) return {...sortByDefault}
return parseSortQuery(raw, sortByDefault)
},
set(val: SortBy) {
sortQuery.value = serializeSortBy(val, sortByDefault) || undefined
},
})
// Mirror the URL query bits this composable owns into the store so
// in-project tab switches and sidebar re-visits can restore them.
//
// `ProjectList`/`ProjectTable` are reused across project switches (no
// `:key` on them in ProjectView.vue), so setup runs only once. We track
// the last viewId we synced — on every viewId transition, if the URL has
// none of our params and the store has an entry, restore it via
// `router.replace` and skip writing back the empty state we'd otherwise
// clobber the saved entry with.
let lastSyncedViewId: number | undefined
watch(
[projectViewId, sortQuery, filter, s, page],
([viewId, sortValue, filterValue, sValue, pageValue]) => {
const viewIdChanged = viewId !== lastSyncedViewId
lastSyncedViewId = viewId
// An invalid `?page=` becomes NaN via `transform: Number`; treat it as
// the default so it neither blocks restoration nor wipes stored state.
const currentPage = Number.isInteger(pageValue) ? pageValue : 1
const urlIsEmpty = !sortValue && !filterValue && !sValue && currentPage === 1
if (viewIdChanged && urlIsEmpty) {
const storedQuery = viewFiltersStore.getViewQuery(viewId)
if (Object.keys(storedQuery).length > 0) {
// Merge so unrelated query params on the route survive the restore.
// Swallow navigation failures (e.g. aborted/duplicated) so the
// ignored promise can't surface as an unhandled rejection.
router.replace({query: {...router.currentRoute.value.query, ...storedQuery}})
.catch(failure => {
if (!isNavigationFailure(failure)) throw failure
})
return
}
}
const query = buildStoredQuery({
sort: sortValue as string | undefined,
filter: filterValue as string | undefined,
s: sValue as string | undefined,
page: currentPage,
})
if (Object.keys(query).length > 0) {
viewFiltersStore.setViewQuery(viewId, query)
} else {
viewFiltersStore.clearViewQuery(viewId)
}
},
{immediate: true},
)
const allParams = computed(() => {
const loadParams = {...params.value}
return formatSortOrder(sortBy.value, loadParams)
})
watch(
[params, sortBy, page],
([, , newPage], [, , oldPage]) => {
if (newPage === oldPage) {
page.value = 1
}
},
{deep: true},
)
const authStore = useAuthStore()
const getAllTasksParams = computed(() => {
return [
{
projectId: projectId.value,
viewId: projectViewId.value,
},
{
...allParams.value,
filter_timezone: authStore.settings.timezone,
expand: expandGetter(),
},
page.value,
]
})
const taskCollectionService = shallowReactive(new TaskCollectionService())
const loading = computed(() => taskCollectionService.loading)
const totalPages = computed(() => taskCollectionService.totalPages)
const tasks = ref<ITask[]>([])
async function loadTasks(resetBeforeLoad: boolean = true) {
if(resetBeforeLoad) {
tasks.value = []
}
try {
tasks.value = await taskCollectionService.getAll(...getAllTasksParams.value)
} catch (e) {
error(e)
}
return tasks.value
}
// Only listen for query path changes
watch(() => JSON.stringify(getAllTasksParams.value), (newParams, oldParams) => {
if (oldParams === newParams) {
return
}
loadTasks()
}, { immediate: true })
return {
tasks,
loading,
totalPages,
currentPage: page,
loadTasks,
params,
sortByParam: sortBy,
}
}