81 lines
2.7 KiB
Python
81 lines
2.7 KiB
Python
from __future__ import unicode_literals
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from django.apps import apps
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from django.utils.translation import ugettext_lazy as _
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from mayan.apps.document_indexing.tasks import task_index_document
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from mayan.apps.events.classes import EventType
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from .literals import (
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WORKFLOW_IMAGE_CACHE_STORAGE_INSTANCE_PATH, WORKFLOW_IMAGE_CACHE_NAME
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)
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from .settings import setting_workflow_image_cache_maximum_size
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def handler_create_workflow_image_cache(sender, **kwargs):
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Cache = apps.get_model(app_label='file_caching', model_name='Cache')
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Cache.objects.update_or_create(
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defaults={
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'label': _('Workflow images'),
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'storage_instance_path': WORKFLOW_IMAGE_CACHE_STORAGE_INSTANCE_PATH,
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'maximum_size': setting_workflow_image_cache_maximum_size.value,
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}, name=WORKFLOW_IMAGE_CACHE_NAME,
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)
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def handler_index_document(sender, **kwargs):
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task_index_document.apply_async(
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kwargs=dict(
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document_id=kwargs['instance'].workflow_instance.document.pk
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)
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)
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def handler_launch_workflow(sender, instance, created, **kwargs):
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Workflow = apps.get_model(
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app_label='document_states', model_name='Workflow'
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)
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if created:
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Workflow.objects.launch_for(instance)
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def handler_trigger_transition(sender, **kwargs):
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action = kwargs['instance']
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Document = apps.get_model(
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app_label='documents', model_name='Document'
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)
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WorkflowInstance = apps.get_model(
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app_label='document_states', model_name='WorkflowInstance'
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)
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WorkflowTransition = apps.get_model(
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app_label='document_states', model_name='WorkflowTransition'
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)
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trigger_transitions = WorkflowTransition.objects.filter(
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trigger_events__event_type__name=kwargs['instance'].verb
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)
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if isinstance(action.target, Document):
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workflow_instances = WorkflowInstance.objects.filter(
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workflow__transitions__in=trigger_transitions, document=action.target
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).distinct()
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elif isinstance(action.action_object, Document):
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workflow_instances = WorkflowInstance.objects.filter(
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workflow__transitions__in=trigger_transitions, document=action.action_object
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).distinct()
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else:
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workflow_instances = WorkflowInstance.objects.none()
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for workflow_instance in workflow_instances:
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# Select the first transition that is valid for this workflow state
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valid_transitions = list(
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set(trigger_transitions) & set(workflow_instance.get_transition_choices())
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)
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if valid_transitions:
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workflow_instance.do_transition(
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comment=_('Event trigger: %s') % EventType.get(name=action.verb).label,
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transition=valid_transitions[0]
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)
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