150 lines
5.6 KiB
Python
150 lines
5.6 KiB
Python
import enum
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import marshmallow
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from marshmallow import INCLUDE
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from marshmallow_enum import EnumField
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from crc import ma
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from crc.models.workflow import WorkflowStatus
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class MultiInstanceType(enum.Enum):
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none = "none"
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looping = "looping"
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parallel = "parallel"
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sequential = "sequential"
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class NavigationItem(object):
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def __init__(self, id, task_id, name, title, backtracks, level, indent, childCount, state, isDecision, task=None):
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self.id = id
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self.task_id = task_id
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self.name = name,
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self.title = title
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self.backtracks = backtracks
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self.level = level
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self.indent = indent
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self.childCount = childCount
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self.state = state
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self.isDecision = isDecision
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self.task = task
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class Task(object):
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ENUM_OPTIONS_FILE_PROP = "enum.options.file"
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EMUM_OPTIONS_VALUE_COL_PROP = "enum.options.value.column"
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EMUM_OPTIONS_LABEL_COL_PROP = "enum.options.label.column"
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EMUM_OPTIONS_AS_LOOKUP = "enum.options.lookup"
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def __init__(self, id, name, title, type, state, form, documentation, data,
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multiInstanceType, multiInstanceCount, multiInstanceIndex, processName, properties):
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self.id = id
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self.name = name
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self.title = title
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self.type = type
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self.state = state
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self.form = form
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self.documentation = documentation
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self.data = data
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self.multiInstanceType = multiInstanceType # Some tasks have a repeat behavior.
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self.multiInstanceCount = multiInstanceCount # This is the number of times the task could repeat.
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self.multiInstanceIndex = multiInstanceIndex # And the index of the currently repeating task.
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self.processName = processName
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self.properties = properties # Arbitrary extension properties from BPMN editor.
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class OptionSchema(ma.Schema):
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class Meta:
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fields = ["id", "name"]
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class ValidationSchema(ma.Schema):
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class Meta:
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fields = ["name", "config"]
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class FormFieldPropertySchema(ma.Schema):
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class Meta:
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fields = [
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"id", "value"
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]
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class FormFieldSchema(ma.Schema):
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class Meta:
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fields = [
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"id", "type", "label", "default_value", "options", "validation", "properties", "value"
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]
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default_value = marshmallow.fields.String(required=False, allow_none=True)
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options = marshmallow.fields.List(marshmallow.fields.Nested(OptionSchema))
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validation = marshmallow.fields.List(marshmallow.fields.Nested(ValidationSchema))
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properties = marshmallow.fields.List(marshmallow.fields.Nested(FormFieldPropertySchema))
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class FormSchema(ma.Schema):
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key = marshmallow.fields.String(required=True, allow_none=False)
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fields = marshmallow.fields.List(marshmallow.fields.Nested(FormFieldSchema))
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class TaskSchema(ma.Schema):
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class Meta:
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fields = ["id", "name", "title", "type", "state", "form", "documentation", "data", "multiInstanceType",
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"multiInstanceCount", "multiInstanceIndex", "processName", "properties"]
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multiInstanceType = EnumField(MultiInstanceType)
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documentation = marshmallow.fields.String(required=False, allow_none=True)
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form = marshmallow.fields.Nested(FormSchema, required=False, allow_none=True)
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title = marshmallow.fields.String(required=False, allow_none=True)
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processName = marshmallow.fields.String(required=False, allow_none=True)
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@marshmallow.post_load
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def make_task(self, data, **kwargs):
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return Task(**data)
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class NavigationItemSchema(ma.Schema):
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class Meta:
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fields = ["id", "task_id", "name", "title", "backtracks", "level", "indent", "childCount", "state",
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"isDecision", "task"]
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unknown = INCLUDE
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task = marshmallow.fields.Nested(TaskSchema, dump_only=True, required=False, allow_none=True)
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backtracks = marshmallow.fields.String(required=False, allow_none=True)
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title = marshmallow.fields.String(required=False, allow_none=True)
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task_id = marshmallow.fields.String(required=False, allow_none=True)
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class WorkflowApi(object):
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def __init__(self, id, status, next_task, navigation,
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spec_version, is_latest_spec, workflow_spec_id, total_tasks, completed_tasks, last_updated):
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self.id = id
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self.status = status
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self.next_task = next_task # The next task that requires user input.
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self.navigation = navigation
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self.workflow_spec_id = workflow_spec_id
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self.spec_version = spec_version
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self.is_latest_spec = is_latest_spec
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self.total_tasks = total_tasks
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self.completed_tasks = completed_tasks
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self.last_updated = last_updated
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class WorkflowApiSchema(ma.Schema):
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class Meta:
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model = WorkflowApi
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fields = ["id", "status", "next_task", "navigation",
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"workflow_spec_id", "spec_version", "is_latest_spec", "total_tasks", "completed_tasks",
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"last_updated"]
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unknown = INCLUDE
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status = EnumField(WorkflowStatus)
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next_task = marshmallow.fields.Nested(TaskSchema, dump_only=True, required=False)
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navigation = marshmallow.fields.List(marshmallow.fields.Nested(NavigationItemSchema, dump_only=True))
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@marshmallow.post_load
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def make_workflow(self, data, **kwargs):
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keys = ['id', 'status', 'next_task', 'navigation',
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'workflow_spec_id', 'spec_version', 'is_latest_spec', "total_tasks", "completed_tasks",
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"last_updated"]
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filtered_fields = {key: data[key] for key in keys}
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filtered_fields['next_task'] = TaskSchema().make_task(data['next_task'])
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return WorkflowApi(**filtered_fields)
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