Refactored creature methods to their own folders

app/imports/api/creature/creatures/creaturePermissions.js

@@ -0,0 +1,29 @@
+import Creatures from '/imports/api/creature/creatures/Creatures.js';
+import {
+  assertEditPermission as editPermission,
+  assertViewPermission as viewPermission,
+  assertOwnership as ownership
+} from '/imports/api/sharing/sharingPermissions.js';
+
+function getCreature(creature, fields){
+  if (typeof creature === 'string'){
+    return Creatures.findOne(creature, {fields});
+  } else {
+    return creature;
+  }
+}
+
+export function assertOwnership(creature, userId){
+  creature = getCreature(creature, {owner: 1});
+  ownership(creature, userId);
+}
+
+export function assertEditPermission(creature, userId) {
+  creature = getCreature(creature, {owner: 1, writers: 1});
+  editPermission(creature, userId);
+}
+
+export function assertViewPermission(creature, userId) {
+  creature = getCreature(creature, {owner: 1, readers:1, writers: 1, public: 1});
+  viewPermission(creature, userId);
+}