Nettoyage de EmField

- Suppression du create / delete et des autres méthodes associées
- Suppression des imports qui sont devenus obsolètes

EditorialModel/fields.py

@@ -2,13 +2,6 @@
 
 from EditorialModel.components import EmComponent
 from EditorialModel.fieldtypes import EmField_boolean, EmField_char, EmField_integer, EmField_icon, get_field_type
-from EditorialModel.fieldgroups import EmFieldGroup
-from EditorialModel.classes import EmClass
-
-from Database import sqlutils
-from Database.sqlalter import DropColumn, AddColumn
-
-import sqlalchemy as sql
 
 
 ## EmField (Class)
@@ -27,88 +20,3 @@ class EmField(EmComponent):
         ('internal', EmField_boolean),
         ('icon', EmField_icon)
     ]
-
-    ## Create (Function)
-    #
-    # Creates a new EmField and instanciates it
-    #
-    # @static
-    #
-    # @param name str: Name of the field
-    # @param fieldgroup EmFieldGroup: Field group in which the field is
-    # @param fieldtype EmFieldType: Type of the field
-    # @param optional int: is the field optional ? (default=0)
-    # @param internal int: is the field internal ? (default=0)
-    # @param rel_to_type_id int: default=0
-    # @param rel_field_id int: default=0
-    # @param icon int: default=0
-    # @param **em_component_args : @ref EditorialModel::components::create()
-    #
-    # @throw TypeError
-    # @throw RuntimeError if the associated column creation fails
-    # @throw EmComponentExistError if an EmField with this name allready exists in this fieldgroup
-    # @see EmComponent::__init__()
-    # @staticmethod
-    @classmethod
-    def create(cls, name, fieldgroup, fieldtype, optional=0, internal=0, rel_to_type_id=0, rel_field_id=0, icon=None, **em_component_args):
-        created_field = super(EmField, cls).create(
-            name=name,
-            fieldgroup_id=fieldgroup.uid,
-            fieldtype=fieldtype.name,
-            optional=optional,
-            internal=internal,
-            rel_to_type_id=rel_to_type_id,
-            rel_field_id=rel_field_id,
-            icon=icon,
-            **em_component_args
-        )
-        if not created_field.add_field_column_to_class_table():
-            raise RuntimeError("Unable to create the column for the EmField " + str(created_field))
-
-        return created_field
-
-    ## @brief Delete a field if it's not linked
-    # @return bool : True if deleted False if deletion aborded
-    # @todo Check if unconditionnal deletion is correct
-    def delete(self):
-        dbe = self.db_engine
-        class_table = sql.Table(self.get_class_table(), sqlutils.meta(dbe))
-        field_col = sql.Column(self.name)
-        ddl = DropColumn(class_table, field_col)
-        sqlutils.ddl_execute(ddl, self.db_engine)
-        return super(EmField, self).delete()
-
-    ## add_field_column_to_class_table (Function)
-    #
-    # Adds a column representing the field in its class' table
-    #
-    # @return True in case of success, False if not
-    def add_field_column_to_class_table(self):
-        dbe = self.db_engine
-        fieldtype = get_field_type(self.fieldtype)
-        new_column = sql.Column(name=self.name, **(fieldtype.sqlalchemy_args()))
-        class_table = sql.Table(self.get_class_table(), sqlutils.meta(dbe))
-        ddl = AddColumn(class_table, new_column)
-        return sqlutils.ddl_execute(ddl, dbe)
-
-    ## get_class_table (Function)
-    #
-    # Gets the name of the table of the class corresponding to the field
-    #
-    # @return Name of the table
-    def get_class_table(self):
-        return self.get_class().class_table_name
-
-    ## @brief Get the class that contains this field
-    # @return An EmClass instance
-    def get_class(self):
-        #<SQL>
-        dbe = self.db_engine
-        meta = sqlutils.meta(dbe)
-        conn = dbe.connect()
-        fieldgroup_table = sql.Table(EmFieldGroup.table, meta)
-        req = fieldgroup_table.select().where(fieldgroup_table.c.uid == self.fieldgroup_id)
-        res = conn.execute(req)
-        row = res.fetchone()
-        #</SQL>
-        return EmClass(row['class_id'])