Coverage for /home/runner/work/viur-core/viur-core/viur/src/viur/core/bones/record.py: 13%
104 statements
« prev ^ index » next coverage.py v7.6.12, created at 2025-02-27 07:59 +0000
« prev ^ index » next coverage.py v7.6.12, created at 2025-02-27 07:59 +0000
1import json
2import typing as t
4from viur.core.bones.base import BaseBone, ReadFromClientError, ReadFromClientErrorSeverity
6if t.TYPE_CHECKING: 6 ↛ 7line 6 didn't jump to line 7 because the condition on line 6 was never true
7 from ..skeleton import SkeletonInstance
10class RecordBone(BaseBone):
11 """
12 The RecordBone class is a specialized bone type used to store structured data. It inherits from
13 the BaseBone class. The RecordBone class is designed to store complex data structures, such as
14 nested dictionaries or objects, by using a related skeleton class (the using parameter) to manage
15 the internal structure of the data.
17 :param format: Optional string parameter to specify the format of the record bone.
18 :param indexed: Optional boolean parameter to indicate if the record bone is indexed.
19 Defaults to False.
20 :param using: A class that inherits from 'viur.core.skeleton.RelSkel' to be used with the
21 RecordBone.
22 :param kwargs: Additional keyword arguments to be passed to the BaseBone constructor.
23 """
24 type = "record"
26 def __init__(
27 self,
28 *,
29 format: str = None,
30 indexed: bool = False,
31 using: 'viur.core.skeleton.RelSkel' = None,
32 **kwargs
33 ):
34 from viur.core.skeleton import RelSkel
35 if not issubclass(using, RelSkel):
36 raise ValueError("RecordBone requires for valid using-parameter (subclass of viur.core.skeleton.RelSkel)")
38 super().__init__(indexed=indexed, **kwargs)
39 self.using = using
40 self.format = format
41 if not format or indexed:
42 raise NotImplementedError("A RecordBone must not be indexed and must have a format set")
44 def singleValueUnserialize(self, val):
45 """
46 Unserializes a single value, creating an instance of the 'using' class and unserializing
47 the value into it.
49 :param val: The value to unserialize.
50 :return: An instance of the 'using' class with the unserialized data.
51 :raises AssertionError: If the unserialized value is not a dictionary.
52 """
53 if isinstance(val, str):
54 try:
55 value = json.loads(val)
56 except ValueError:
57 value = None
58 else:
59 value = val
61 if not value:
62 return None
64 if isinstance(value, list) and value:
65 value = value[0]
67 assert isinstance(value, dict), f"Read something from the datastore thats not a dict: {type(value)}"
69 usingSkel = self.using()
70 usingSkel.unserialize(value)
71 return usingSkel
73 def singleValueSerialize(self, value, skel: 'SkeletonInstance', name: str, parentIndexed: bool):
74 """
75 Serializes a single value by calling the serialize method of the 'using' skeleton instance.
77 :param value: The value to be serialized, which should be an instance of the 'using' skeleton.
78 :param skel: The parent skeleton instance.
79 :param name: The name of the bone.
80 :param parentIndexed: A boolean indicating if the parent bone is indexed.
81 :return: The serialized value.
82 """
83 if not value:
84 return value
86 return value.serialize(parentIndexed=False)
88 def _get_single_destinct_hash(self, value):
89 return tuple(bone._get_destinct_hash(value[name]) for name, bone in self.using.__boneMap__.items())
91 def parseSubfieldsFromClient(self) -> bool:
92 """
93 Determines if the current request should attempt to parse subfields received from the client.
94 This should only be set to True if a list of dictionaries is expected to be transmitted.
95 """
96 return True
98 def singleValueFromClient(self, value, skel, bone_name, client_data):
99 usingSkel = self.using()
100 if not usingSkel.fromClient(value):
101 usingSkel.errors.append(
102 ReadFromClientError(ReadFromClientErrorSeverity.Invalid, "Incomplete data")
103 )
104 return usingSkel, usingSkel.errors
106 def postSavedHandler(self, skel, boneName, key) -> None:
107 super().postSavedHandler(skel, boneName, key)
108 for idx, lang, value in self.iter_bone_value(skel, boneName):
109 using = self.using()
110 using.unserialize(value)
111 for bone_name, bone in using.items():
112 bone.postSavedHandler(using, bone_name, None)
114 def refresh(self, skel, boneName) -> None:
115 super().refresh(skel, boneName)
116 for idx, lang, value in self.iter_bone_value(skel, boneName):
117 using = self.using()
118 using.unserialize(value)
119 for bone_name, bone in using.items():
120 bone.refresh(using, bone_name)
122 def getSearchTags(self, skel: 'viur.core.skeleton.SkeletonInstance', name: str) -> set[str]:
123 """
124 Collects search tags from the 'using' skeleton instance for the given bone.
126 :param skel: The parent skeleton instance.
127 :param name: The name of the bone.
128 :return: A set of search tags generated from the 'using' skeleton instance.
129 """
130 result = set()
132 using_skel_cache = self.using()
133 for idx, lang, value in self.iter_bone_value(skel, name):
134 if value is None:
135 continue
136 for key, bone in using_skel_cache.items():
137 if not bone.searchable:
138 continue
139 for tag in bone.getSearchTags(value, key):
140 result.add(tag)
142 return result
144 def getSearchDocumentFields(self, valuesCache, name, prefix=""):
145 """
146 Generates a list of search document fields for the given values cache, name, and optional prefix.
148 :param dict valuesCache: A dictionary containing the cached values.
149 :param str name: The name of the bone to process.
150 :param str prefix: An optional prefix to use for the search document fields, defaults to an empty string.
151 :return: A list of search document fields.
152 :rtype: list
153 """
155 def getValues(res, skel, valuesCache, searchPrefix):
156 for key, bone in skel.items():
157 if bone.searchable:
158 res.extend(bone.getSearchDocumentFields(valuesCache, key, prefix=searchPrefix))
160 value = valuesCache.get(name)
161 res = []
163 if not value:
164 return res
165 uskel = self.using()
166 for idx, val in enumerate(value):
167 getValues(res, uskel, val, f"{prefix}{name}_{idx}")
169 return res
171 def getReferencedBlobs(self, skel: "SkeletonInstance", name: str) -> set[str]:
172 """
173 Retrieves a set of referenced blobs for the given skeleton instance and name.
175 :param skel: The skeleton instance to process.
176 :param name: The name of the bone to process.
177 :return: A set of referenced blobs.
178 """
179 result = set()
181 using_skel_cache = self.using()
182 for idx, lang, value in self.iter_bone_value(skel, name):
183 if value is None:
184 continue
185 for key, bone in using_skel_cache.items():
186 result |= bone.getReferencedBlobs(value, key)
188 return result
190 def getUniquePropertyIndexValues(self, valuesCache: dict, name: str) -> list[str]:
191 """
192 This method is intentionally not implemented as it's not possible to determine how to derive
193 a key from the related skeleton being used (i.e., which fields to include and how).
195 """
196 raise NotImplementedError()
198 def structure(self) -> dict:
199 return super().structure() | {
200 "format": self.format,
201 "using": self.using().structure()}
203 def refresh(self, skel, bone_name):
204 using_skel = self.using()
206 for idx, lang, value in self.iter_bone_value(skel, bone_name):
207 if value is None:
208 continue
210 using_skel.unserialize(value)
212 for key, bone in using_skel.items():
213 bone.refresh(using_skel, key)