init from origin + update

server/routers/coder/topic/index.js

@@ -0,0 +1,30 @@
+const router = require('express').Router()
+
+router.get('/gettopic/:topic/:section', (request, response) => {
+    const topic = request.params.topic
+    let section = request.params.section
+
+    if (!topic || !section) {
+        response.send(require('./error.json'))
+    } else {
+        response.send(
+            // require(`./${topic}/${section}.json`)
+            require(`./dynamic-programming/${section}.json`),
+        )
+    }
+})
+
+router.get('/gettopic/:topic', (request, response) => {
+    const topic = request.params.topic
+
+    if (!topic) {
+        response.send(require('./error.json'))
+    } else {
+        response.send(
+            // require(`./${topic}.json`)
+            require('./dynamic-programming.json'),
+        )
+    }
+})
+
+module.exports = router