Implement GET and HEAD APIs

server/.eslintrc.json

@@ -1,5 +1,8 @@
 {
   "env": {
     "node": true
+  },
+  "parserOptions": {
+    "ecmaVersion": 8
   }
 }

server/api.js

@@ -2,6 +2,68 @@
 
 const Router = require("koa-router");
 
+const apiFunctions = require("./api-functions");
+
 const router = new Router();
 
+const resources = {
+  devices: false,
+  presets: true,
+  provisions: true,
+  files: true,
+  virtual_parameters: true
+};
+
+for (let [resource, update] of Object.entries(resources)) {
+  router.head(`/${resource}`, async ctx => {
+    let filters, limit;
+    if (ctx.request.query.query)
+      if (Array.isArray(ctx.request.query.query))
+        filters = ctx.request.query.query.map(q => JSON.parse(q));
+      else {
+        filters = JSON.parse(ctx.request.query.query);
+        if (!Array.isArray(filters)) filters = [filters];
+      }
+
+    if (ctx.request.query.limit) limit = +ctx.request.query.limit;
+
+    let res = await apiFunctions.query(resource, filters, limit);
+    ctx.set("X-Total-Count", res.length);
+    ctx.body = "";
+  });
+
+  router.get(`/${resource}`, async ctx => {
+    let filters, limit;
+    if (ctx.request.query.query)
+      if (Array.isArray(ctx.request.query.query))
+        filters = ctx.request.query.query.map(q => JSON.parse(q));
+      else {
+        filters = JSON.parse(ctx.request.query.query);
+        if (!Array.isArray(filters)) filters = [filters];
+      }
+
+    if (ctx.request.query.limit) limit = +ctx.request.query.limit;
+
+    ctx.body = await apiFunctions.query(resource, filters, limit);
+  });
+
+  router.head(`/${resource}/:id`, async (ctx, next) => {
+    let filter = { _id: ctx.params.id };
+    let res = await apiFunctions.query(resource, filter);
+    if (!res.length) return next();
+    ctx.body = "";
+  });
+
+  router.get(`/${resource}/:id`, async (ctx, next) => {
+    let filter = { _id: ctx.params.id };
+    let res = await apiFunctions.query(resource, filter);
+    if (!res.length) return next();
+    ctx.body = res[0];
+  });
+
+  if (update) {
+    // TODO add PUT, PATCH, DELETE routes
+  }
+}
+
 module.exports = router;