Load and save style from style api

src/apistore.js

@@ -0,0 +1,42 @@
+import request from 'request'
+import style from './style.js'
+
+// Empty style is always used if no style could be restored or fetched
+export const emptyStyle = style.ensureMetadataExists(style.fromJSON({
+		version: 8,
+		sources: {},
+		layers: [],
+}))
+
+export class ApiStyleStore {
+  latestStyle(cb) {
+    if(this.latestStyleId) {
+      request('http://localhost:8000/styles/' + this.latestStyleId, (error, response, body) => {
+        cb(JSON.parse(body))
+      })
+    } else {
+      request('http://localhost:8000/styles', (error, response, body) => {
+        if (!error && response.statusCode == 200) {
+          const styleIds = JSON.parse(body);
+          this.latestStyleId = styleIds[0];
+          request('http://localhost:8000/styles/' + this.latestStyleId, (error, response, body) => {
+            cb(style.fromJSON(JSON.parse(body)))
+          })
+        }
+      })
+    }
+  }
+
+  // Save current style replacing previous version
+  save(mapStyle) {
+    const id = mapStyle.get('id')
+    request.put({
+      url: 'http://localhost:8000/styles/' + id,
+      json: true,
+      body: style.toJSON(mapStyle)
+    }, (error, response, body) => {
+     console.log('Saved style');
+    })
+    return mapStyle
+  }
+}