research: Add date time

research/research-tools/src/views/FolderView.vue

@@ -25,6 +25,7 @@
                     <input type="checkbox" v-model="selectedDatapoints[datapoint.path]">
                     <router-link target="_blank" :to="`/datapoint/${folder}/${datapoint.basename}`" @click.prevent="showModal(datapoint)">
                         <img :title="datapoint_title(datapoint)" class="datapoint-image" :src="datapoint.image_data_url">
+                        <span class="datapoint-datetime">{{ datapoint.datetime }}</span>
                     </router-link>
                 </div>
             </div>

research/server.py

@@ -78,8 +78,12 @@ def load_datapoint(path):
     with open(path, 'rb') as f:
         data = json.load(f)
     data["path"] = path
+    data["datetime"] = get_file_datetime(path)
     return data
 
+def get_file_datetime(path):
+    return datetime.fromtimestamp(os.path.getmtime(path))
+
 @app.route('/api/image')
 def image():
     folder = request.args.get('folder')