Progress bar. Close #199

Former-commit-id: cf8ec044a2531b295b89da915cee439eba6ccd0b [formerly 6d77a48968796dc6db51602486c07d6f2ecc00e6] [formerly 4aa44181ea637eeaba8e7756a76bbf5cd47b6928 [formerly ec190d28a81983e986eeed01beaff5062eaff170]]
Former-commit-id: 5e8e25fee1ae1119d5aaf5bf25e83f258ad13d2a [formerly 574db23a689aaf5bbe533d2e322ae98fc0b6d1de]
Former-commit-id: 5b5dfebfb692b62188c216f0cb22f8cdefdd82ab

assets/src/utils/api.js

@@ -56,7 +56,7 @@ export function remove (url) {
   })
 }
 
-export function post (url, content = '', overwrite = false) {
+export function post (url, content = '', overwrite = false, onupload) {
   url = removePrefix(url)
 
   return new Promise((resolve, reject) => {
@@ -64,6 +64,10 @@ export function post (url, content = '', overwrite = false) {
     request.open('POST', `${store.state.baseURL}/api/resource${url}`, true)
     request.setRequestHeader('Authorization', `Bearer ${store.state.jwt}`)
 
+    if (typeof onupload === 'function') {
+      request.upload.onprogress = onupload
+    }
+
     if (overwrite) {
       request.setRequestHeader('Action', `override`)
     }