fixes #51 all annotations have been lost on backend update

Author: Jonas Jäger

CHANGELOG.md

@@ -4,6 +4,13 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
+## [1.1.0]
+### Fixed
+- SIA: Fixed all annotations lost bug. (see also https://github.com/l3p-cv/lost/issues/51)
+  * When a new annotation was created and deleted before a backend update was performed, SIA sent this annotation to backend for an db update
+  * The backend then tried to update a db record that did not exists which caused an exception.
+  * The result was that all annotation where lost 
+
 ## [1.0.0] - 2019-10-17
 ### Added
 - SIA: Delete annotation by hitting Backspace

backend/lost/logic/sia.py

@@ -312,12 +312,15 @@ def __update_annotations(self, annotations, two_d_type):
                 annotation_json['unchanged'].append(two_d_json)
                 self.db_man.save_obj(two_d)
             elif annotation['status'] == "deleted":
-                two_d = self.db_man.get_two_d_anno(annotation['id']) #type: lost.db.model.TwoDAnno
-                two_d_json = self.__serialize_two_d_json(two_d)
-                annotation_json['deleted'].append(two_d_json)
-                for label in self.db_man.get_all_two_d_label(two_d.idx):
-                    self.db_man.delete(label)
-                self.db_man.delete(two_d)
+                try:
+                    two_d = self.db_man.get_two_d_anno(annotation['id']) #type: lost.db.model.TwoDAnno
+                    two_d_json = self.__serialize_two_d_json(two_d)
+                    annotation_json['deleted'].append(two_d_json)
+                    for label in self.db_man.get_all_two_d_label(two_d.idx):
+                        self.db_man.delete(label)
+                    self.db_man.delete(two_d)
+                except KeyError:
+                    print('SIA bug backend fix! Do not try to delete annotations that are not in db!')
             elif annotation['status'] == "new":
                 annotation_data = annotation['data']
                 try:

frontend/lost/src/components/SIA/lost-sia/CHANGELOG.md

@@ -0,0 +1,12 @@
+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [0.0.1] - 2020-04-01
+### Fixed 
+- Fixed all annotations lost bug. (see also https://github.com/l3p-cv/lost/issues/51)
+  * When a new annotation was created and deleted before a backend update was performed, SIA sent this annotation to backend for an db update
+  * The backend then tried to update a db record that did not exists which caused an exception.
+  * The result was that all annotation where lost 

frontend/lost/src/components/SIA/lost-sia/package.json

@@ -1,6 +1,6 @@
 {
   "name": "lost-sia",
-  "version": "0.0.0-alpha-13",
+  "version": "0.0.1",
   "description": "Single Image Annotatio Tool for LOST",
   "author": "l3p-cv",
   "license": "MIT",

frontend/lost/src/components/SIA/lost-sia/src/Canvas.js

@@ -853,7 +853,9 @@ class Canvas extends Component{
             prevLabel: anno.labelIds, 
         })
         if(this.props.onAnnoSelect){
-            this.props.onAnnoSelect(newAnno)
+            if (newAnno !== null){
+                this.props.onAnnoSelect(newAnno)
+            }
         }
         return newAnnos
     }
@@ -866,9 +868,13 @@ class Canvas extends Component{
         if (mode){
             newAnno = {...anno, mode:mode}
             if (mode === modes.DELETED){
-                newAnno = {
-                    ...newAnno,
-                    status: annoStatus.DELETED
+                if (anno.status !== annoStatus.NEW){
+                    newAnno = {
+                        ...newAnno,
+                        status: annoStatus.DELETED
+                    }
+                } else {
+                    newAnno = null
                 }
             } else {
                 newAnno = {
@@ -879,7 +885,10 @@ class Canvas extends Component{
         } else {
             newAnno = {...anno}
         }
-        filtered.push(newAnno)
+        if (newAnno !== null){
+            filtered.push(newAnno)
+        }
+        console.log('merge anno newAnno, anno, mode', newAnno, anno, mode)
         const newAnnos = [...filtered]
         return {newAnnos, newAnno}
     }