feat(form): add main cases' form to jexl context

Author: czosel

packages/form/addon/gql/queries/document-answers.graphql

@@ -11,6 +11,19 @@ query DocumentAnswers($id: ID!) {
         }
         workItem {
           id
+          case {
+            id
+            family {
+              id
+              document {
+                id
+                form {
+                  id
+                  slug
+                }
+              }
+            }
+          }
         }
         case {
           id

packages/form/addon/lib/field.js

@@ -413,6 +413,7 @@ export default class Field extends Base {
    * - `form`: Legacy property pointing to the root form.
    * - `info.form`: The form this question is attached to.
    * - `info.formMeta`: The meta of the form this question is attached to.
+   * - `info.mainCaseForm`: The main cases' form (can give useful context in task forms).
    * - `info.parent.form`: The parent form if applicable.
    * - `info.parent.formMeta`: The parent form meta if applicable.
    * - `info.root.form`: The new property for the root form.
@@ -423,12 +424,16 @@ export default class Field extends Base {
   get jexlContext() {
     const parent = this.fieldset.field?.fieldset.form;
 
+    const rootDocument = this.document.parentDocument ?? this.document;
+
     return {
       ...this.document.jexlContext,
       info: {
         ...this.document.jexlContext.info,
         form: this.fieldset.form.slug,
         formMeta: this.fieldset.form.raw.meta,
+        mainCaseForm:
+          rootDocument.raw.workItem?.case.family.document?.form.slug,
         parent: parent
           ? {
               form: parent.slug,

packages/form/tests/unit/lib/data.js

@@ -236,9 +236,26 @@ const answers = {
   ],
 };
 
+const workItem = {
+  id: id("WorkItem"),
+  case: {
+    id: id("Case"),
+    family: {
+      id: id("Case"),
+      document: {
+        id: id("Document"),
+        form: {
+          slug: "main-case-form",
+        },
+      },
+    },
+  },
+};
+
 export default {
   id: id("Document"),
   answers,
   form,
+  workItem,
   __typename: "Document",
 };

packages/form/tests/unit/lib/field-test.js

@@ -146,6 +146,7 @@ module("Unit | Library | field", function (hooks) {
           "is-top-form": false,
           level: 1,
         },
+        mainCaseForm: "main-case-form",
         parent: null,
         root: {
           form: "form",