add ability to query a text tree with a depth variable

src/store/modules/texts.js

@@ -3,7 +3,7 @@ import { print } from 'graphql/language/printer'
 import {
   TextsDepart, TextRef, TextdepartRecursive
 } from '@/api/queries'
-
+import TextdepartRecursiveWithDepth from '@/api/queries/TextdepartRecursiveWithDepth.gql'
 
 export default {
   state: {
@@ -24,14 +24,30 @@ export default {
       })
     },
 
-    'GET_TEXT' ({ state }, { id }) {
+    'GET_TEXT' (store, { id }) {
       return api.post('', { query: print(TextRef), variables: { id } })
         .then(data => (data.data.data))
     },
 
-    'GET_TREE' ({ dispatch }, id) {
+    'GET_TREE' (store, id) {
       return api.post('', { query: print(TextdepartRecursive), variables: { id } })
         .then(({ data }) => (data.data.textref))
+    },
+
+    'GET_TREE_WITH_DEPTH' (store, { id, depth }) {
+      const baseQuery = print(TextdepartRecursiveWithDepth)
+      function formatQuery (str, depth) {
+        if (depth > 0) {
+          return formatQuery(
+            str.replace('INPUT', '...TextrefTreeFields\ntext_en_rebond {\nINPUT\n}'),
+            --depth
+          )
+        } else {
+          return str.replace('INPUT', '...TextrefTreeFields')
+        }
+      }
+      return api.post('', { query: formatQuery(baseQuery, depth), variables: { id } })
+        .then(({ data }) => (data.data.textref))
     }
   },