feat(filters): allow filtering by created and updated task fields

Resolves https://kolaente.dev/vikunja/vikunja/issues/2768

frontend/src/components/project/partials/FilterInputDocs.vue

@@ -31,6 +31,8 @@ const showDocs = ref(false)
 			<li><code>labels</code>: {{ $t('filters.query.help.fields.labels') }}</li>
 			<li><code>project</code>: {{ $t('filters.query.help.fields.project') }}</li>
 			<li><code>reminders</code>: {{ $t('filters.query.help.fields.reminders') }}</li>
+			<li><code>created</code>: {{ $t('filters.query.help.fields.created') }}</li>
+			<li><code>updated</code>: {{ $t('filters.query.help.fields.updated') }}</li>
 		</ul>
 		<p>{{ $t('filters.query.help.canUseDatemath') }}</p>
 		<p>{{ $t('filters.query.help.operators.intro') }}</p>

frontend/src/helpers/filters.ts

@@ -6,6 +6,8 @@ export const DATE_FIELDS = [
 	'endDate',
 	'doneAt',
 	'reminders',
+	'created',
+	'updated',
 ]
 
 export const ASSIGNEE_FIELDS = [

frontend/src/i18n/lang/en.json

@@ -459,7 +459,9 @@
           "assignees": "The assignees of the task",
           "labels": "The labels associated with the task",
           "project": "The project the task belongs to (only available for saved filters, not on a project level)",
-          "reminders": "The reminders of the task as a date field, will return all tasks with at least one reminder matching the query"
+          "reminders": "The reminders of the task as a date field, will return all tasks with at least one reminder matching the query",
+          "created": "The time and date when the task was created",
+          "updated": "The time and date when the task was last changed"
         },
         "operators": {
           "intro": "The available operators for filtering include:",

pkg/models/tasks.go

@@ -212,7 +212,7 @@ func (t *Task) ReadAll(_ *xorm.Session, _ web.Auth, _ string, _ int, _ int) (res
 }
 
 func getFilterCond(f *taskFilter, includeNulls bool) (cond builder.Cond, err error) {
-	field := "`" + f.field + "`"
+	field := "tasks.`" + f.field + "`"
 	if f.field == taskPropertyBucketID {
 		field = "task_buckets.`bucket_id`"
 	}