72 lines
2.7 KiB
Python
72 lines
2.7 KiB
Python
from django.db.models import Case, CharField, Min, Value, When
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# Custom ordering for priority and state
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PRIORITY_ORDER = ["urgent", "high", "medium", "low", "none"]
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STATE_ORDER = ["backlog", "unstarted", "started", "completed", "cancelled"]
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def order_issue_queryset(issue_queryset, order_by_param="-created_at"):
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# Priority Ordering
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if order_by_param == "priority" or order_by_param == "-priority":
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issue_queryset = issue_queryset.annotate(
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priority_order=Case(
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*[
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When(priority=p, then=Value(i))
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for i, p in enumerate(PRIORITY_ORDER)
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],
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output_field=CharField(),
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)
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).order_by("priority_order", "-created_at")
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order_by_param = (
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"priority_order" if order_by_param.startswith("-") else "-priority_order"
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)
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# State Ordering
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elif order_by_param in ["state__group", "-state__group"]:
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state_order = (
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STATE_ORDER
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if order_by_param in ["state__name", "state__group"]
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else STATE_ORDER[::-1]
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)
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issue_queryset = issue_queryset.annotate(
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state_order=Case(
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*[
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When(state__group=state_group, then=Value(i))
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for i, state_group in enumerate(state_order)
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],
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default=Value(len(state_order)),
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output_field=CharField(),
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)
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).order_by("state_order", "-created_at")
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order_by_param = (
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"-state_order" if order_by_param.startswith("-") else "state_order"
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)
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# assignee and label ordering
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elif order_by_param in [
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"labels__name",
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"assignees__first_name",
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"issue_module__module__name",
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"-labels__name",
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"-assignees__first_name",
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"-issue_module__module__name",
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]:
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issue_queryset = issue_queryset.annotate(
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min_values=Min(
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order_by_param[1::]
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if order_by_param.startswith("-")
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else order_by_param
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)
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).order_by(
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"-min_values" if order_by_param.startswith("-") else "min_values",
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"-created_at",
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)
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order_by_param = (
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"-min_values" if order_by_param.startswith("-") else "min_values"
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)
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else:
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# If the order_by_param is created_at, then don't add the -created_at
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if "created_at" in order_by_param:
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issue_queryset = issue_queryset.order_by(order_by_param)
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else:
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issue_queryset = issue_queryset.order_by(order_by_param, "-created_at")
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order_by_param = order_by_param
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return issue_queryset, order_by_param
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