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Use a class to build to sql queries

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This greatly reduced the amount of duplicate code in the DataBaseHandlers
Not sure how secure this is SQL injections. Need to check that and maybe
put in some guards. Using double underscores for now and only provide a
getter. But then again why bother with an SQL injection as
you can just as easily modify the Python code, and we still have the old
Containers to fallback to if the Database gets corrupted.

Contributes to CURA-6096
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jelle Spijker 2021-09-01 13:58:58 +02:00 • committed by Jelle Spijker
parent 3191baf5a0
commit 7aa08d4acd
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3 changed files with 51 additions and 129 deletions
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47
cura/Settings/DatabaseHandlers/VariantDatabaseHandler.py
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@ -1,40 +1,19 @@
from UM.Settings.SQLQueryFactory import SQLQueryFactory
from UM.Settings.DatabaseContainerMetadataController import DatabaseMetadataContainerController
from UM.Settings.InstanceContainer import InstanceContainer
class VariantDatabaseHandler(DatabaseMetadataContainerController):
def __init__(self) -> None:
super().__init__(
insert_query = """INSERT INTO variants (id, name, hardware_type, definition, version, setting_version)
VALUES (?, ?, ?, ?, ?, ?)""",
update_query = """ UPDATE variants
SET name = ?,
hardware_type = ?,
definition = ?,
version = ?,
setting_version = ?
WHERE id = ?
""",
select_query = "SELECT * FROM variants WHERE id = ?",
delete_query = "DELETE FROM variants WHERE id = ?",
table_query = """CREATE TABLE variants
(
id text,
name text,
hardware_type text,
definition text,
version text,
setting_version text
);
CREATE UNIQUE INDEX idx_variants_id on variants (id);"""
)
"""The Database handler for Variant containers"""
def _convertMetadataToUpdateBatch(self, metadata):
return self._convertMetadataToInsertBatch(metadata)[1:]
def _convertRawDataToMetadata(self, data):
return {"id": data[0], "name": data[1], "hardware_type": data[2], "definition": data[3], "container_type": InstanceContainer, "version": data[4], "setting_version": data[5], "type": "variant"}
def _convertMetadataToInsertBatch(self, metadata):
return metadata["id"], metadata["name"], metadata["hardware_type"], metadata["definition"], metadata["version"], \
metadata["setting_version"]
def __init__(self):
super().__init__(SQLQueryFactory(table = "variants",
fields = {
"id": "text",
"name": "text",
"hardware_type": "text",
"definition": "text",
"version": "text",
"setting_version": "text"
}))
self.container_type = InstanceContainer