Clear earlier unfinished jobs from history when a job completes #814

those are likely zombies that were interrupted or never scheduled due to server disconnect

ai_diffusion/__init__.py

@@ -1,6 +1,6 @@
 """Generative AI plugin for Krita using Stable Diffusion"""
 
-__version__ = "1.20.0"
+__version__ = "1.20.1"
 
 import importlib.util
 

ai_diffusion/jobs.py

@@ -154,10 +154,12 @@ def notify_started(self, job: Job):
     def notify_finished(self, job: Job):
         job.state = JobState.finished
         self.job_finished.emit(job)
+        self._cancel_earlier_jobs(job)
         self.count_changed.emit()
 
     def notify_cancelled(self, job: Job):
         job.state = JobState.cancelled
+        self._cancel_earlier_jobs(job)
         self.count_changed.emit()
 
     def notify_used(self, job_id: str, index: int):
@@ -225,3 +227,12 @@ def selection(self, value: Item | None):
     @property
     def memory_usage(self):
         return self._memory_usage
+
+    def _cancel_earlier_jobs(self, job: Job):
+        # Clear jobs that should have been completed before, but may not have completed
+        # (still queued or executing state) due to sporadic server disconnect
+        for j in self._entries:
+            if j is job:
+                break
+            if j.state in [JobState.queued, JobState.executing]:
+                j.state = JobState.cancelled