Revert "Refactor Navigation Include to use ESI"

This reverts commit 57cdcd9, reversing
changes made to 0df74b5.

src/default.htl

@@ -17,7 +17,7 @@
         </div>
         <div class="main">
             <div class="nav">
-                <esi:include src="/${it.contextPath}/SUMMARY.html" />
+                <div data-sly-test="${it.nav}" data-sly-list="${it.nav}">${item}</div>
             </div>
             <div class="content">
                 <div class="content-body">

src/default.pre.js

@@ -1,5 +1,6 @@
 const moment = require('moment');
 const request = require('request-promise');
+const md2json = require('md2json');
 
 /**
  * Appends the context path to the resource based on the strain
@@ -49,6 +50,32 @@ function collectMetadata(ctx) {
     });
 };
 
+/**
+ * Collects the nav and append it to the resource
+ * @param {RequestContext} ctx Context
+ */
+function collectNav(ctx) {
+    const params = {
+        org: ctx.strainConfig.urls.content.owner,
+        repo: ctx.strainConfig.urls.content.repo,
+        tree: ctx.strainConfig.urls.content.ref,
+        path: 'SUMMARY.md'
+    };
+
+    return md2json.main(params).then(info => {
+        let nav = info.body.children;
+        // remove first title
+        delete nav[0];
+
+        // link re-writing
+        // TODO: move into md2json + parameters
+        ctx.resource.nav = nav.map(element => {
+            return element.replace(new RegExp('href="', 'g'), 'href="/' + ctx.strain + '/');
+        });
+        return Promise.resolve(ctx);
+    });
+};
+
 /**
  * Extracts some committers data from the list of commits and appends the list to the resource
  * @param {RequestContext} ctx Context
@@ -96,6 +123,7 @@ module.exports.main = function (ctx) {
         .then(collectMetadata)
         .then(extractCommittersFromMetadata)
         .then(extractLastModifiedFromMetadata)
+        .then(collectNav)
         .catch(error => {
             console.error('Error while executing default.pre.js', error);
         });