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LeCrud: is_letype() and is_leclass() helper functions + use it in LeDataSourceSQL

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This commit is contained in:
ArnAud 2015-11-27 15:55:26 +01:00
commit 142f2ff3f5
2 changed files with 30 additions and 17 deletions
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32
leapi/datasources/ledatasourcesql.py
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@ -51,7 +51,7 @@ class LeDataSourceSQL(DummyDatasource):
fields = [(main_table, common_fields)]
# it is a LeType or a LeClass, query on main table left join class table on lodel_id
elif hasattr(target_cls, '_leclass') or hasattr(target_cls, '_class_id'):
elif target_cls.is_letype() or target_cls.is_leclass():
# find main table and main table datas
main_table = self.datasource_utils.objects_table_name
main_class = target_cls._leclass if hasattr(target_cls, '_leclass') else target_cls
@ -170,22 +170,24 @@ class LeDataSourceSQL(DummyDatasource):
# @todo should work with LeType, LeClass, and Relations
def insert(self, target_cls, **datas):
# it is a LeType
if (hasattr(target_cls, '_leclass')):
# find main table and main table datas
main_table = self.datasource_utils.objects_table_name
main_datas = {'class_id':target_cls._leclass._class_id, 'type_id':target_cls._type_id}
for main_column_name in common_fields:
if main_column_name in datas:
main_datas[main_column_name] = datas[main_column_name]
unset(datas[main_column_name])
if not target_cls.is_letype():
raise AttributeError("'%s' is not a LeType, it is not possible to insert it" % target_cls)
cur = self.datasource_utils.query(self.connection, insert(main_table, main_datas))
lodel_id = cur.lastrowid
# find main table and main table datas
main_table = self.datasource_utils.objects_table_name
main_datas = {'class_id':target_cls._leclass._class_id, 'type_id':target_cls._type_id}
for main_column_name in common_fields:
if main_column_name in datas:
main_datas[main_column_name] = datas[main_column_name]
unset(datas[main_column_name])
# insert in class_table
datas[self.datasource_utils.field_lodel_id] = lodel_id
class_table = self.datasource_utils.get_table_name_from_class(target_cls._leclass.__name__)
self.datasource_utils.query(self.connection, insert(class_table, datas))
cur = self.datasource_utils.query(self.connection, insert(main_table, main_datas))
lodel_id = cur.lastrowid
# insert in class_table
datas[self.datasource_utils.field_lodel_id] = lodel_id
class_table = self.datasource_utils.get_table_name_from_class(target_cls._leclass.__name__)
self.datasource_utils.query(self.connection, insert(class_table, datas))
return lodel_id

15
leapi/lecrud.py
View file

@ -87,8 +87,19 @@ class _LeCrud(object):
if len(cls._uid_fieldtype) == 0:
raise NotImplementedError("Abstract method uid_name for %s!"%cls.__name__)
return list(cls._uid_fieldtype.keys())[0]
## @return maybe Bool: True if cls is a LeType or an instance of LeType
# @param cls Class: a Class or instanciated object
@classmethod
def is_letype(cls):
return hasattr(cls, '_leclass')
## @return maybe Bool: True if cls is a LeClass or an instance of LeClass
# @param cls Class: a Class or instanciated object
@classmethod
def is_leclass(cls):
return hasattr(cls, '_class_id') and not cls.is_letype()
## @brief Returns object datas
# @param
# @return a dict of fieldname : value