Add update-post-counters npm task

bin/postCounters.js

@@ -0,0 +1,22 @@
+import bookshelf from './utils/bookshelf';
+
+
+async function updatePostCounters() {
+  process.stdout.write("=== RECALCULATING POST COUNTERS ===\n");
+
+  const models = ['Hashtag', 'School', 'Geotag'];
+
+  for (const modelName of models) {
+    await bookshelf.model(modelName).updatePostCounters();
+  }
+}
+
+updatePostCounters()
+  .then(() => {
+    process.stdout.write("=== DONE ===\n");
+    process.exit();
+  })
+  .catch(e => {
+    process.stderr.write(e.stack);
+    process.exit(1);
+  });

bin/utils/bookshelf.js

@@ -0,0 +1,6 @@
+import { initBookshelfFromKnex } from '../../src/api/db';
+import knex from './knex';
+
+const bookshelf = initBookshelfFromKnex(knex);
+
+export default bookshelf;

package.json

@@ -24,7 +24,8 @@
     "webpack:build:dev": "webpack --config webpack.dev.config.js",
     "webpack:build:prod": "NODE_ENV=production webpack --config webpack.prod.config.js",
     "db:migrate": "knex migrate:latest",
-    "db:rollback": "knex migrate:rollback"
+    "db:rollback": "knex migrate:rollback",
+    "update-post-counters": "babel-node bin/postCounters.js"
   },
   "author": {
     "name": "Loki Education (Social Enterprise)",