Initial Commit

node_modules/mongoose/lib/helpers/query/getEmbeddedDiscriminatorPath.js

@@ -0,0 +1,68 @@
+'use strict';
+
+const cleanPositionalOperators = require('../schema/cleanPositionalOperators');
+const get = require('../get');
+const getDiscriminatorByValue = require('../discriminator/getDiscriminatorByValue');
+
+/*!
+ * Like `schema.path()`, except with a document, because impossible to
+ * determine path type without knowing the embedded discriminator key.
+ */
+
+module.exports = function getEmbeddedDiscriminatorPath(schema, update, filter, path) {
+  const parts = path.split('.');
+  let schematype = null;
+  let type = 'adhocOrUndefined';
+
+  filter = filter || {};
+  update = update || {};
+
+  for (let i = 0; i < parts.length; ++i) {
+    const subpath = cleanPositionalOperators(parts.slice(0, i + 1).join('.'));
+    schematype = schema.path(subpath);
+    if (schematype == null) {
+      continue;
+    }
+
+    type = schema.pathType(subpath);
+    if ((schematype.$isSingleNested || schematype.$isMongooseDocumentArrayElement) &&
+        schematype.schema.discriminators != null) {
+      const key = get(schematype, 'schema.options.discriminatorKey');
+      const discriminatorValuePath = subpath + '.' + key;
+      const discriminatorFilterPath =
+        discriminatorValuePath.replace(/\.\d+\./, '.');
+      let discriminatorKey = null;
+
+      if (discriminatorValuePath in filter) {
+        discriminatorKey = filter[discriminatorValuePath];
+      }
+      if (discriminatorFilterPath in filter) {
+        discriminatorKey = filter[discriminatorFilterPath];
+      }
+      const wrapperPath = subpath.replace(/\.\d+$/, '');
+      if (schematype.$isMongooseDocumentArrayElement &&
+          get(filter[wrapperPath], '$elemMatch.' + key) != null) {
+        discriminatorKey = filter[wrapperPath].$elemMatch[key];
+      }
+
+      if (discriminatorValuePath in update) {
+        discriminatorKey = update[discriminatorValuePath];
+      }
+
+      if (discriminatorKey == null) {
+        continue;
+      }
+
+      const discriminatorSchema = getDiscriminatorByValue(schematype.caster, discriminatorKey).schema;
+
+      const rest = parts.slice(i + 1).join('.');
+      schematype = discriminatorSchema.path(rest);
+      if (schematype != null) {
+        type = discriminatorSchema._getPathType(rest);
+        break;
+      }
+    }
+  }
+
+  return { type: type, schematype: schematype };
+};