Cleanup duplicate logic and refactor installations.js into InstallationsRouter.

src/Routers/InstallationsRouter.js

@@ -0,0 +1,64 @@
+// InstallationsRouter.js
+
+import ClassesRouter from './ClassesRouter';
+import PromiseRouter from '../PromiseRouter';
+import rest from '../rest';
+
+export class InstallationsRouter extends ClassesRouter {
+  handleFind(req) {
+    var options = {};
+    if (req.body.skip) {
+      options.skip = Number(req.body.skip);
+    }
+    if (req.body.limit) {
+      options.limit = Number(req.body.limit);
+    }
+    if (req.body.order) {
+      options.order = String(req.body.order);
+    }
+    if (req.body.count) {
+      options.count = true;
+    }
+    if (req.body.include) {
+      options.include = String(req.body.include);
+    }
+
+    return rest.find(req.config, req.auth,
+      '_Installation', req.body.where, options)
+      .then((response) => {
+        return {response: response};
+      });
+  }
+
+  handleGet(req) {
+    req.params.className = '_Installation';
+    return super.handleGet(req);
+  }
+
+  handleCreate(req) {
+    req.params.className = '_Installation';
+    return super.handleCreate(req);
+  }
+
+  handleUpdate(req) {
+    req.params.className = '_Installation';
+    return super.handleUpdate(req);
+  }
+
+  handleDelete(req) {
+    req.params.className = '_Installation';
+    return super.handleDelete(req);
+  }
+
+  getExpressRouter() {
+    var router = new PromiseRouter();
+    router.route('GET','/installations', (req) => { return this.handleFind(req); });
+    router.route('GET','/installations/:objectId', (req) => { return this.handleGet(req); });
+    router.route('POST','/installations', (req) => { return this.handleCreate(req); });
+    router.route('PUT','/installations/:objectId', (req) => { return this.handleUpdate(req); });
+    router.route('DELETE','/installations/:objectId', (req) => { return this.handleDelete(req); });
+    return router;
+  }
+}
+
+export default InstallationsRouter;