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feat(17-01): repeater field type and the dependent dropdown save recheck

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- cabana: type repeater with nested form.fields (text, textarea, number,
  checkbox, switch, dropdown, richeditor), prompt, minItems, maxItems,
  titleFrom; groups, style, nested repeaters and other types fail boot
- rows decoded before projection: only nested keys, coerced scalars,
  per-row required (field.index.nested), row bounds; ProjectWritableFields
  exempts repeater lists only, nestedValue unchanged
- nested richeditor values sanitized with notices under the row path
- dependent dropdowns rechecked on save, top level and per row; null when
  the sibling takes no choice, 422 form.dependent_invalid otherwise
- dependent-options accepts repeater.field; schema carries RepeaterForm
- backend lang repeater.max_items, repeater.min_items,
  form.dependent_invalid; TestCompanionsRepeaterSmoke; docs
This commit is contained in:
Jakub Zych
2026-10-12 15:24:01 +02:00
parent 71fa597830
commit 46835fd064
16 changed files with 961 additions and 43 deletions
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6
modules/cabana/admin_openapi.go
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@@ -428,7 +428,7 @@ func AdminListSchema() {}
// AdminFormSchema documents the form schema route.
//
// @Summary Admin form schema
// @Description The form of a controller, localized. `preview` is present when config_form.yaml declares a preview block: the form then has a read-only preview screen, which shows the fields whose context allows preview, the record actions and, when preview.headerPartial is set, that partial as a status hint. A `type: password` field and every other field the controller lists as virtual is sent in a save body and never has a value in a record response. `preset` on a text or mltext field names the text or mltext field it follows on the create form (type slug or exact; an mltext pair follows per locale) until the administrator edits it. A `type: permissioneditor` field carries `permissionOptions`, the permissions the controller offers the requesting administrator; its value in a record response and in a save body is an object of permission code to integer (radio mode 1 or -1, checkbox mode 1). A `type: relation` field over a protected foreign key is `readOnly` unless its contract declares the key writable. A field whose type a plugin registers carries `element` (the custom-element tag the admin renders), `translatable` (its value is an object of content locale to string) and `typeOptions` (the type's own fields.yaml keys). A `type: dropdown` field with `dependsOn` names the sibling field whose value selects its options and carries no options: they come from the field's dependent-options route.
// @Description The form of a controller, localized. `preview` is present when config_form.yaml declares a preview block: the form then has a read-only preview screen, which shows the fields whose context allows preview, the record actions and, when preview.headerPartial is set, that partial as a status hint. A `type: password` field and every other field the controller lists as virtual is sent in a save body and never has a value in a record response. `preset` on a text or mltext field names the text or mltext field it follows on the create form (type slug or exact; an mltext pair follows per locale) until the administrator edits it. A `type: permissioneditor` field carries `permissionOptions`, the permissions the controller offers the requesting administrator; its value in a record response and in a save body is an object of permission code to integer (radio mode 1 or -1, checkbox mode 1). A `type: relation` field over a protected foreign key is `readOnly` unless its contract declares the key writable. A field whose type a plugin registers carries `element` (the custom-element tag the admin renders), `translatable` (its value is an object of content locale to string) and `typeOptions` (the type's own fields.yaml keys). A `type: dropdown` field with `dependsOn` names the sibling field whose value selects its options and carries no options: they come from the field's dependent-options route. A `type: richeditor` field's value is a string of HTML, sanitized on every save; what the sanitizer removed is reported in the save response's `meta.notices`. A `type: repeater` field carries `form.fields` (the fields of one row), `prompt`, `maxItems`, `minItems` and `titleFrom`; its value in a record response and in a save body is a list of row objects keyed by the nested field names, and a row's errors are keyed `<field>.<index>.<nested>`.
// @Tags admin
// @Produce json
// @Security BackendBearer
@@ -484,14 +484,14 @@ func AdminFieldOptions() {}
// AdminDependentOptions documents the dependent dropdown options route (D-08).
//
// @Summary Dependent dropdown options
// @Description Choices of a `type: dropdown` field with `dependsOn`, from the controller's pact.DependentOptionsProvider, for the value of the sibling field the dropdown depends on. The sibling's value is passed as the query parameter `values[<sibling>]` (for example `values[type]=acme-post`); a missing or empty value is null. `applies` is false when that value takes no choice at all (the field then stores null) and `options` is then empty; with `applies` true an empty `options` means there is nothing to choose yet. `depth` is the nesting level of a choice taken from a tree (0 at the top); labels are localized. A field that is not a dependsOn dropdown of the controller's form answers 404.
// @Description Choices of a `type: dropdown` field with `dependsOn`, from the controller's pact.DependentOptionsProvider, for the value of the sibling field the dropdown depends on. The sibling's value is passed as the query parameter `values[<sibling>]` (for example `values[type]=acme-post`); a missing or empty value is null. `applies` is false when that value takes no choice at all (the field then stores null) and `options` is then empty; with `applies` true an empty `options` means there is nothing to choose yet. `depth` is the nesting level of a choice taken from a tree (0 at the top); labels are localized. For a dropdown inside a repeater row, {field} is `<repeater>.<field>` and `values[<sibling>]` is the row's sibling value. A field that is not a dependsOn dropdown of the controller's form answers 404.
// @Tags admin
// @Produce json
// @Security BackendBearer
// @Param vendor path string true "Vendor"
// @Param plugin path string true "Plugin"
// @Param controller path string true "Controller"
// @Param field path string true "Dropdown field name"
// @Param field path string true "Dropdown field name, or repeater.field for a dropdown in a repeater row"
// @Success 200 {object} Envelope[AdminDependentOptionsResult]
// @Failure 401 {object} ErrorEnvelope
// @Failure 403 {object} ErrorEnvelope