Erste Version mit erstem Datenmodell realisiert. Noch kein Template, kein View.

2026-05-07 19:50:39 +02:00
parent 86261ea577
commit f2f00848f2
5707 changed files with 759434 additions and 0 deletions
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+import warnings
+
+from django.contrib.postgres.fields import ArrayField
+from django.db.models import Aggregate, BooleanField, JSONField
+from django.db.models import StringAgg as _StringAgg
+from django.db.models import Value
+from django.utils.deprecation import RemovedInDjango70Warning
+
+from .mixins import _DeprecatedOrdering
+
+__all__ = [
+    "ArrayAgg",
+    "BitAnd",
+    "BitOr",
+    "BitXor",
+    "BoolAnd",
+    "BoolOr",
+    "JSONBAgg",
+    "StringAgg",  # RemovedInDjango70Warning.
+]
+
+
+# RemovedInDjango61Warning: When the deprecation ends, replace with:
+# class ArrayAgg(Aggregate):
+class ArrayAgg(_DeprecatedOrdering, Aggregate):
+    function = "ARRAY_AGG"
+    allow_distinct = True
+    allow_order_by = True
+
+    @property
+    def output_field(self):
+        return ArrayField(self.source_expressions[0].output_field)
+
+
+class BitAnd(Aggregate):
+    function = "BIT_AND"
+
+
+class BitOr(Aggregate):
+    function = "BIT_OR"
+
+
+class BitXor(Aggregate):
+    function = "BIT_XOR"
+
+
+class BoolAnd(Aggregate):
+    function = "BOOL_AND"
+    output_field = BooleanField()
+
+
+class BoolOr(Aggregate):
+    function = "BOOL_OR"
+    output_field = BooleanField()
+
+
+# RemovedInDjango61Warning: When the deprecation ends, replace with:
+# class JSONBAgg(Aggregate):
+class JSONBAgg(_DeprecatedOrdering, Aggregate):
+    function = "JSONB_AGG"
+    allow_distinct = True
+    allow_order_by = True
+    output_field = JSONField()
+
+
+# RemovedInDjango61Warning: When the deprecation ends, replace with:
+# class StringAgg(_StringAgg):
+# RemovedInDjango70Warning: When the deprecation ends, remove completely.
+class StringAgg(_DeprecatedOrdering, _StringAgg):
+
+    def __init__(self, expression, delimiter, **extra):
+        if isinstance(delimiter, str):
+            warnings.warn(
+                "delimiter: str will be resolved as a field reference instead "
+                "of a string literal on Django 7.0. Pass "
+                f"`delimiter=Value({delimiter!r})` to preserve the previous behavior.",
+                category=RemovedInDjango70Warning,
+                stacklevel=2,
+            )
+
+            delimiter = Value(delimiter)
+
+        warnings.warn(
+            "The PostgreSQL specific StringAgg function is deprecated. Use "
+            "django.db.models.aggregates.StringAgg instead.",
+            category=RemovedInDjango70Warning,
+            stacklevel=2,
+        )
+
+        super().__init__(expression, delimiter, **extra)