Files
summercms/admin/src/views/PreviewView.vue

318 lines
11 KiB
Vue

<script setup lang="ts">
import { computed, onBeforeUnmount, provide, readonly, ref, watchEffect } from 'vue'
import { useRoute, useRouter } from 'vue-router'
import { ArrowLeft, Pencil } from '@lucide/vue'
import { api } from '../api/client'
import { parentFileRoutes } from '../api/files'
import type { AdminRecord, FormField, FormView, RecordAction, RecordMeta } from '../api/types'
import { controllerIdFromParams, controllerPath } from '../app/controllerRoutes'
import { message, t } from '../app/i18n'
import { loadControllerAssets } from '../app/pluginAssets'
import { newSessionKey } from '../app/sessionKey'
import { FIELD_SCOPE, FORM_SESSION, createUploadGate } from '../components/form/formContext'
import FormTabs from '../components/form/FormTabs.vue'
import PreviewField from '../components/form/PreviewField.vue'
import RecordActions from '../components/form/RecordActions.vue'
import { RELATION_MANAGER, isRegisteredField } from '../components/form/registry'
import {
DEFAULT_TAB,
contextAllows,
panelDomId,
recordDisplayName,
schemaEnabledLocales,
tabDomId,
tabOf,
type TabItem,
} from '../components/form/formState'
import PartialHost from '../components/partial/PartialHost.vue'
import Button from '../components/ui/Button.vue'
import { clearRecordCrumb, setRecordCrumb } from '../state/useBreadcrumbs'
import { showToast } from '../state/useToasts'
// Read-only record screen (UI-SPEC S3, D-11) of a form whose config declares
// `preview:`. It shows the fields whose context allows preview as a dl grid,
// the status hint partial above the card, and a footer with the record
// actions the record response offers (S2) and the one primary edit button.
// Nothing here writes a field: the only requests besides the loads are the
// record actions. A form without a preview sends this route to the record
// (update) route.
const route = useRoute()
const router = useRouter()
const ID_PREFIX = 'preview'
const path = {
vendor: String(route.params.vendor ?? ''),
plugin: String(route.params.plugin ?? ''),
controller: String(route.params.controller ?? ''),
}
const controllerId = controllerIdFromParams(path)
const listPath = controllerPath(controllerId) ?? '/'
const recordId = Number(route.params.id)
const recordPath = `${listPath}/${recordId}`
const schema = ref<FormView | null>(null)
const values = ref<AdminRecord>({})
const labels = ref<RecordMeta['labels']>({})
/** The controller's record title (meta.title, pact.FormRecordTitle); '' when it names none. */
const recordTitle = ref('')
const actions = ref<RecordAction[]>([])
const loading = ref(true)
const failed = ref(false)
// True while a record action's request runs: every footer button is disabled.
const acting = ref(false)
const activeTab = ref(DEFAULT_TAB)
// Bumped after every record action, so the status hint is refetched.
const hintKey = ref(0)
/** Types that are never shown on preview (UI-SPEC S3). */
const hidden = new Set(['password', 'widget', RELATION_MANAGER])
const fields = computed<FormField[]>(() =>
(schema.value?.fields ?? []).filter((field) => contextAllows(field, 'preview') && !hidden.has(field.type)),
)
// The Edit button renders only when the form holds at least one value field
// the SPA can edit whose context allows update (UI-SPEC F6): a record whose
// form shows only partials has nothing to edit and no primary button.
const hasEditableField = computed(() =>
(schema.value?.fields ?? []).some((field) => isRegisteredField(field) && contextAllows(field, 'update')),
)
// The same tabs as the form; a tab with no preview-visible field never
// appears, because tabs are built from the visible fields only.
const tabs = computed<TabItem[]>(() => {
if (!fields.value.some((field) => field.tab)) {
return []
}
const out: TabItem[] = []
for (const field of fields.value) {
const key = tabOf(field)
if (out.some((item) => item.key === key)) {
continue
}
const tab = { key, label: field.tab || t('backend::lang.form.tab_default'), errors: 0 }
if (key === DEFAULT_TAB) {
out.unshift(tab)
} else {
out.push(tab)
}
}
return out
})
const activeIndex = computed(() => Math.max(
tabs.value.findIndex((tab) => tab.key === activeTab.value),
0,
))
const panelFields = computed(() => {
if (tabs.value.length === 0) {
return fields.value
}
const key = tabs.value[activeIndex.value]?.key ?? DEFAULT_TAB
return fields.value.filter((field) => tabOf(field) === key)
})
/** The record's display name: the controller's title, else the first text-like field's value, in schema order. */
const recordName = computed(
() =>
recordTitle.value ||
recordDisplayName(schema.value?.fields, values.value, schemaEnabledLocales(schema.value?.meta)),
)
const subtitle = computed(() => message(schema.value?.messages.preview, undefined, { name: recordName.value }))
const hintPartial = computed(() => schema.value?.preview?.headerPartial ?? '')
const ready = computed(() => !loading.value && !failed.value && schema.value !== null)
function spanClass(field: FormField): string {
switch (field.span) {
case 'left':
return 'min-[600px]:col-start-1'
case 'right':
return 'min-[600px]:col-start-2'
case 'auto':
case 'row':
return ''
default:
return 'col-span-full'
}
}
/** Fetches the record; false when it is gone or out of scope. */
async function loadRecord(): Promise<boolean> {
try {
const result = await api.GET('/{vendor}/{plugin}/{controller}/{id}', {
params: { path: { ...path, id: recordId } },
})
if (!result.data) {
return false
}
values.value = { ...result.data.data }
labels.value = result.data.meta.labels ?? {}
recordTitle.value = result.data.meta.title ?? ''
actions.value = result.data.meta.actions ?? []
return true
} catch {
return false
}
}
async function load(): Promise<void> {
loading.value = true
failed.value = false
const [schemaResult, recordOk] = await Promise.all([
api.GET('/{vendor}/{plugin}/{controller}/schema/form', { params: { path } }).catch(() => null),
loadRecord(),
])
const view = schemaResult?.data?.data ?? null
if (view && !view.preview) {
// The form has no preview screen: the record route is its only screen.
await router.replace(recordPath)
return
}
schema.value = view
failed.value = !view || !recordOk
if (view) {
void loadControllerAssets(controllerId, view.assets)
}
activeTab.value = tabs.value[0]?.key ?? DEFAULT_TAB
loading.value = false
}
/**
* Reloads the record and the hint in place: the previous values stay on
* screen until the new ones arrive (no skeleton flash). A record that is gone
* turns the screen into the load failure.
*/
async function refresh(): Promise<void> {
hintKey.value++
if (!(await loadRecord())) {
failed.value = true
}
}
async function onDone(text: string): Promise<void> {
showToast(text)
await refresh()
}
function onGone(): void {
failed.value = true
}
// A fileupload field lists its files through the form session. The preview
// never uploads or saves, so the session only carries the routes.
const { activeUploads, beginUpload } = createUploadGate()
const sessionKey = newSessionKey()
// A money field reads its currencyFrom sibling through the field scope, as
// on a form.
provide(FIELD_SCOPE, {
fields: computed(() => fields.value),
values: computed(() => values.value),
path: (name: string) => name,
})
provide(FORM_SESSION, {
key: sessionKey,
recordId,
routes: (field: string) => parentFileRoutes(path, recordId, field, sessionKey),
markDirty: () => undefined,
pendingChanges: readonly(ref(0)),
revision: readonly(ref(0)),
beginUpload,
activeUploads: readonly(activeUploads),
})
// The header's last breadcrumb is this record's name (design: Top header).
watchEffect(() => setRecordCrumb(loading.value ? '' : recordName.value))
onBeforeUnmount(clearRecordCrumb)
void load()
</script>
<template>
<section class="flex w-full flex-col gap-5 pb-24" data-preview>
<header class="flex flex-wrap items-center gap-4">
<Button
variant="outline"
data-action="back"
:to="listPath"
:aria-label="t('backend::lang.form.return_to_list')"
class="size-10! px-0!"
>
<ArrowLeft :size="18" aria-hidden="true" />
</Button>
<div class="flex min-w-0 flex-1 flex-col">
<h1 class="truncate text-[24px] font-bold tracking-[-0.02em]">{{ loading ? '' : recordName }}</h1>
<p v-if="ready && subtitle" class="text-muted">{{ subtitle }}</p>
</div>
<FormTabs v-if="ready && tabs.length > 0" v-model="activeTab" :tabs="tabs" :id-prefix="ID_PREFIX" />
</header>
<p v-if="failed && !loading" role="alert" class="rounded-inner bg-danger-soft px-[18px] py-3.5 text-danger">
{{ t('backend::lang.form.load_failed') }}
</p>
<template v-else-if="ready">
<!-- The status hint: outside every tab, so it is always visible. -->
<PartialHost
v-if="hintPartial !== ''"
variant="header"
hint
:source="path"
:name="hintPartial"
:record-id="recordId"
:reload-key="hintKey"
/>
<div
:id="tabs.length > 0 ? panelDomId(ID_PREFIX, activeIndex) : undefined"
:role="tabs.length > 0 ? 'tabpanel' : undefined"
:aria-labelledby="tabs.length > 0 ? tabDomId(ID_PREFIX, activeIndex) : undefined"
class="rounded-card border border-border bg-surface p-7 shadow-card"
>
<dl class="m-0 grid grid-cols-1 gap-x-6 gap-y-[22px] min-[600px]:grid-cols-2">
<PreviewField
v-for="field in panelFields"
:key="field.name"
:class="spanClass(field)"
:field="field"
:value="values[field.name]"
:labels="labels?.[field.name]"
:source="path"
:record-id="recordId"
:id-prefix="ID_PREFIX"
/>
</dl>
</div>
</template>
<footer
class="fixed right-0 bottom-0 left-[var(--shell-offset,0px)] z-30 flex flex-wrap items-center gap-2.5 border-t border-border bg-surface px-8 py-3.5"
>
<div class="ml-auto flex flex-wrap items-center gap-2.5">
<RecordActions
v-if="ready"
:source="path"
:record-id="recordId"
:actions="actions"
:disabled="acting"
@busy="(running: boolean) => (acting = running)"
@done="onDone"
@stale="refresh"
@gone="onGone"
/>
<Button
v-if="!failed && hasEditableField"
variant="primary"
data-action="edit"
:icon="Pencil"
:disabled="loading || acting"
@click="router.push(recordPath)"
>
{{ message(schema?.messages.edit) }}
</Button>
</div>
</footer>
</section>
</template>