From b3d417e3b94eb354ed0271fd30cfc1bb217ca710 Mon Sep 17 00:00:00 2001
From: Romain Bazile <gromain.baz@gmail.com>
Date: Thu, 3 Dec 2020 16:45:01 +0100
Subject: [PATCH] imager bug if object_date is not set

---
 flows/main.json                | 25 +++++++++++++++++++++++++
 scripts/planktoscope/imager.py | 14 ++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/flows/main.json b/flows/main.json
index 6c83f92..5633023 100644
--- a/flows/main.json
+++ b/flows/main.json
@@ -7918,5 +7918,30 @@
             [],
             []
         ]
+    },
+    {
+        "id": "2dc762df.08cd7e",
+        "type": "inject",
+        "z": "baa1e3d9.cb29d",
+        "name": "Default: 0.01",
+        "props": [
+            {
+                "p": "payload"
+            }
+        ],
+        "repeat": "",
+        "crontab": "",
+        "once": true,
+        "onceDelay": 0.1,
+        "topic": "",
+        "payload": "0.05",
+        "payloadType": "num",
+        "x": 310,
+        "y": 320,
+        "wires": [
+            [
+                "df1ea904.cd261"
+            ]
+        ]
     }
 ]
\ No newline at end of file
diff --git a/scripts/planktoscope/imager.py b/scripts/planktoscope/imager.py
index bc40da0..9b43802 100644
--- a/scripts/planktoscope/imager.py
+++ b/scripts/planktoscope/imager.py
@@ -581,6 +581,20 @@ class ImagerProcess(multiprocessing.Process):
         # Concat the local metadata and the metadata from Node-RED
         self.__global_metadata = {**self.__global_metadata, **local_metadata}
 
+        if "object_date" not in self.__global_metadata:
+            # If this path exists, then ids are reused when they should not
+            logger.error(f"The metadata did not contain object_date!")
+            self.imager_client.client.publish(
+                "status/imager",
+                '{"status":"Configuration update error: object_date is missing!"}',
+            )
+            # Reset the counter to 0
+            self.__img_done = 0
+            # Change state towards stop
+            self.__imager.change(planktoscope.imager_state_machine.Stop)
+            planktoscope.light.error()
+            return
+
         logger.info("Setting up the directory structure for storing the pictures")
         self.__export_path = os.path.join(
             self.__base_path,