helper recursice data fetch

src/paveit/datamodels/material.py

@@ -4,10 +4,15 @@ from re import T
 from bson.json_util import loads
 from mongoengine import *
 
-from .enumeration import BitumenCategoryEnum
-from .norm_specification import DeliveryGrain, EnumerateBase
-from .norm_documents import NormDocumentAggregate, NormDocumentBitumen, NormDocumentAsphalt
+from paveit.helper import fetch_recursive, mongo_to_dict
 
+from .enumeration import BitumenCategoryEnum
+from .norm_documents import (
+    NormDocumentAggregate,
+    NormDocumentAsphalt,
+    NormDocumentBitumen,
+)
+from .norm_specification import DeliveryGrain, EnumerateBase
 from .project import Project
 from .usermanagement import Organisation, User
 
@@ -36,25 +41,11 @@ class Material(Document):
     
     def to_dict(self):
         # convert data to dict
-        data = self.to_mongo().to_dict()
-
-        # Laden und hinzufügen der referenzierten Daten
-        try:
-            data['parameter'] = self.parameter.to_mongo().to_dict()
-        except:
-            pass
-        
-        try:    
-            norm = self.norm.fetch()  # Trigger the dereferencing
-            data['norm'] = norm.to_mongo().to_dict()
-        except:
-            raise    
-        
+        data = fetch_recursive(self)
+        data = mongo_to_dict(data)
+       
         return data
 
-    
-
-
     meta = {
         'allow_inheritance': True,
         'index_opts': {},

src/paveit/datamodels/norm_specification.py

@@ -2,8 +2,18 @@ from mongoengine import *
 
 from .enumeration import RelationalOperatorsEnum, BitumenCategoryEnum
 from .norm_documents import NormDocumentAggregate, NormDocumentBitumen, NormDocumentAsphalt
+
+from paveit.helper import fetch_recursive, mongo_to_dict
+
 class EnumerateBase(Document):
     
+    def to_dict(self):
+            # convert data to dict
+            data = fetch_recursive(self)
+            data = mongo_to_dict(data)
+            print(data)
+            return data    
+
     meta = {
         'allow_inheritance': True,
         'index_opts': {},
@@ -13,6 +23,8 @@ class EnumerateBase(Document):
         'collection': 'norm_specification',
         "db_alias": 'dblabtests',
     }
+     
+
 
 # Gesteine    
 class DeliveryGrain(EnumerateBase):
@@ -21,10 +33,10 @@ class DeliveryGrain(EnumerateBase):
     norm =  LazyReferenceField(NormDocumentAggregate, required=True)
     
 # Bitumen
+class BitumenParameterLimitsBaseEnum(EnumerateBase):
+    pass
 
-    
-
-class BitumenParameterLimitsStrassenbaubitumen(EnumerateBase):
+class BitumenParameterLimitsStrassenbaubitumen(BitumenParameterLimitsBaseEnum):
     
     name = StringField()
     category = EnumField(BitumenCategoryEnum, required=True)
@@ -73,10 +85,3 @@ class BitumenParameterLimitsStrassenbaubitumen(EnumerateBase):
     hardening_resistance_masschange_operator = EnumField(RelationalOperatorsEnum, default=RelationalOperatorsEnum.lt)
     hardening_resistance_masschange_max = FloatField(min_value=0, max_value=100)
      	 
-
-
-# Asphalt
-class Asphalt(EnumerateBase):
-    name = StringField()
-    category = StringField()
-    norm =  LazyReferenceField(NormDocumentAsphalt, required=True)

src/paveit/helper/__init__.py

@@ -1,10 +1,10 @@
 from .filehandling import read_file_to_bytesio
 from .filehasher import calc_hash_of_bytes
 from .minio import get_minio_client_archive, get_minio_client_processing
-from .mongo import connect_mongo_db, mongo_get_results
+from .mongo import connect_mongo_db, fetch_recursive, mongo_get_results, mongo_to_dict
 
 __all__ = [
-    'read_file_to_bytesio', 'connect_mongo_db', 'mongo_get_results',
+    'read_file_to_bytesio', 'connect_mongo_db', 'mongo_get_results', 'fetch_recursive', 'mongo_to_dict',
     'get_minio_client_processing', 'get_minio_client_archive',
     'calc_hash_of_bytes'
 ]

src/paveit/helper/mongo.py

@@ -1,7 +1,10 @@
+import os
+
+import mongoengine
 from bson import ObjectId
 from mongoengine import connect as mongo_connect
 from pandas import DataFrame
-import os
+
 
 def connect_mongo_db(username=os.environ['MONGO_USER'] ,
                       password=os.environ['MONGO_PASSWD'] ,
@@ -65,4 +68,47 @@ def mongo_get_results(resultsmodel, results: DataFrame, datamodel,
                       project_id: ObjectId, material_id: ObjectId,
                       user_id: ObjectId):
 
-    return True
+    return True
+
+def fetch_recursive(data, fetch_parameter=['norm']):
+    
+    fields = data._fields
+    
+    data_out = data.to_mongo().to_dict()
+    
+    for par in fetch_parameter:
+        if par in fields.keys():
+            
+            try:
+                # if is LazyReferenceField
+                if isinstance(fields[par], mongoengine.fields.LazyReferenceField):
+                        d = data[par].fetch()
+                else:
+                        d = data[par]
+            
+            except:
+                continue
+            
+            if d  is None: 
+                continue
+            
+            data_out[par] = d.to_mongo().to_dict()
+    
+    return data_out
+
+def mongo_to_dict(data, drop_parameters=['_cls','user_id', 'org_id', 'project_id']):
+    '''
+    data: dict
+    
+    '''    
+    for key in list(data.keys()):
+        if key in drop_parameters:
+            del data[key]  # Remove the unwanted key
+        elif isinstance(data[key], dict):
+            mongo_to_dict(data[key])  # Recurse into nested dictionaries
+        else:
+            # process data
+            if isinstance(data[key], ObjectId):
+                data[key] = str(data[key])
+    
+    return data