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ProjectLeaf
StorageLeaf
Commits
493e98f9
Commit
493e98f9
authored
Aug 22, 2021
by
Robert Goldmann
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#9 - refactoring
parent
e65e11d2
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src/logic/database/DatabaseCleaner.py
+29
-23
29 additions, 23 deletions
src/logic/database/DatabaseCleaner.py
with
29 additions
and
23 deletions
src/logic/database/DatabaseCleaner.py
+
29
−
23
View file @
493e98f9
...
@@ -29,36 +29,42 @@ class DatabaseCleaner:
...
@@ -29,36 +29,42 @@ class DatabaseCleaner:
for
sensor
in
allSensors
:
for
sensor
in
allSensors
:
LOGGER
.
debug
(
f
'
Cleaning measurements for sensor
"
{
sensor
.
name
}
"
'
LOGGER
.
debug
(
f
'
Cleaning measurements for sensor
"
{
sensor
.
name
}
"
'
f
'
(id:
{
sensor
.
id
}
, device_id:
{
sensor
.
device_id
}
)
'
)
f
'
(id:
{
sensor
.
id
}
, device_id:
{
sensor
.
device_id
}
)
'
)
self
.
_cleanup_measurements_for_sensor
(
sensor
,
db
,
policy
,
policyStart
)
LOGGER
.
info
(
'
Database cleanup done
'
)
# TODO: force backup?
@staticmethod
def
_cleanup_measurements_for_sensor
(
sensor
:
Schemas
.
Sensor
,
db
:
Session
,
policy
:
RetentionPolicy
,
policyStart
:
datetime
.
date
):
firstMeasurement
=
Crud
.
get_first_measurement_for_sensor
(
db
=
db
,
sensorId
=
sensor
.
id
)
firstMeasurement
=
Crud
.
get_first_measurement_for_sensor
(
db
=
db
,
sensorId
=
sensor
.
id
)
if
firstMeasurement
is
None
:
if
firstMeasurement
is
None
:
continue
return
minDate
=
datetime
.
strptime
(
firstMeasurement
.
timestamp
,
Crud
.
DATE_FORMAT
).
date
()
minDate
=
datetime
.
strptime
(
firstMeasurement
.
timestamp
,
Crud
.
DATE_FORMAT
).
date
()
processedDate
=
policyStart
processedDate
=
policyStart
while
processedDate
>
minDate
:
while
processedDate
>
minDate
:
LOGGER
.
debug
(
f
'
Cleaning
{
processedDate
.
strftime
(
"
%Y-%m-%d
"
)
}
...
'
)
LOGGER
.
debug
(
f
'
Cleaning
{
processedDate
.
strftime
(
"
%Y-%m-%d
"
)
}
...
'
)
DatabaseCleaner
.
_cleanup_measurements_for_day
(
db
,
processedDate
,
policy
,
sensor
.
id
)
processedDate
=
processedDate
-
timedelta
(
days
=
1
)
@staticmethod
def
_cleanup_measurements_for_day
(
db
:
Session
,
date
:
datetime
.
date
,
policy
:
RetentionPolicy
,
sensor_id
:
int
):
measurementIds
,
idsToDelete
=
DatabaseCleaner
.
_categorize_measurements_for_day
(
db
,
measurementIds
,
idsToDelete
=
DatabaseCleaner
.
_categorize_measurements_for_day
(
db
,
date
=
processedD
ate
,
date
=
d
ate
,
policy
=
policy
,
policy
=
policy
,
sensorId
=
sensor
.
id
)
sensorId
=
sensor_id
)
processedDate
=
processedDate
-
timedelta
(
days
=
1
)
if
not
idsToDelete
:
if
not
idsToDelete
:
continue
return
LOGGER
.
debug
(
f
'
Scheduled
{
len
(
idsToDelete
)
}
measurements for deletion (keeping:
{
len
(
measurementIds
)
}
,
'
f
'
max allowed:
{
policy
.
numberOfMeasurementsPerDay
}
)
'
)
LOGGER
.
debug
(
f
'
Scheduled
{
len
(
idsToDelete
)
}
measurements for deletion
'
f
'
(keeping:
{
len
(
measurementIds
)
}
, max allowed:
{
policy
.
numberOfMeasurementsPerDay
}
)
'
)
Crud
.
delete_multiple_measurements
(
db
,
idsToDelete
)
Crud
.
delete_multiple_measurements
(
db
,
idsToDelete
)
LOGGER
.
info
(
'
Database cleanup done
'
)
# TODO: force backup?
@staticmethod
@staticmethod
def
_categorize_measurements_for_day
(
db
:
Session
,
date
:
datetime
.
date
,
def
_categorize_measurements_for_day
(
db
:
Session
,
date
:
datetime
.
date
,
policy
:
RetentionPolicy
,
sensorId
:
int
)
->
Tuple
[
List
[
int
],
Set
[
int
]]:
policy
:
RetentionPolicy
,
sensorId
:
int
)
->
Tuple
[
List
[
int
],
Set
[
int
]]:
...
...
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