Remove custom sqlalchemy metadata, manage with __table_args__

Allow sqlmodel queries, with relations
Remode join_with mechanisms coming from gino
Handlew ith_only_columns in get_df and get_gdf
Implement feature-info
This commit is contained in:
phil 2024-01-04 18:50:23 +05:30
parent 1e3678fb69
commit ec71b6ed15
18 changed files with 353 additions and 141 deletions

View file

@ -4,6 +4,7 @@ from datetime import date, datetime
from collections import OrderedDict
from io import BytesIO
from zipfile import ZipFile
from functools import cached_property
import locale
import logging
@ -12,19 +13,16 @@ import geopandas as gpd # type: ignore
import shapely # type: ignore
import pyproj
from sqlmodel import SQLModel, Field, Relationship
from sqlmodel.ext.asyncio.session import AsyncSession
from pydantic import BaseModel
from geoalchemy2.shape import from_shape
from sqlalchemy.dialects.postgresql import BIGINT
from sqlalchemy import BigInteger, Column, MetaData, String, func, and_, text
from sqlmodel import select, Field, Relationship
from sqlmodel.ext.asyncio.session import AsyncSession
from sqlalchemy import BigInteger, MetaData, String, func, and_, text
from sqlalchemy.sql import sqltypes
from sqlalchemy.orm import declared_attr
from psycopg2.extensions import adapt
from geoalchemy2.shape import from_shape
from geoalchemy2.types import Geometry, WKBElement
from shapely import wkb
from shapely import wkb, from_wkb
from shapely.geometry import mapping
from shapely.ops import transform # type: ignore
@ -35,15 +33,15 @@ from shapefile import (
POLYGON, POLYGONZ,
)
from gisaf.database import db_session
from gisaf.config import conf
from gisaf.models.models_base import Model
from gisaf.models.metadata import survey, raw_survey
from gisaf.models.survey import Equipment, Surveyor, Accuracy
from gisaf.models.metadata import (
gisaf_survey_table_args, gisaf_admin_table_args, survey_table_args)
from gisaf.models.misc import Qml
from gisaf.models.category import Category
from gisaf.models.project import Project
# from gisaf.models.survey import Equipment, Surveyor, Accuracy
# from gisaf.models.project import Project
LOCALE_DATE_FORMAT = locale.nl_langinfo(locale.D_FMT)
@ -82,14 +80,14 @@ class BaseSurveyModel(BaseModel):
- projected ('V_*')
"""
id: int | None = Field(sa_type=BigInteger, primary_key=True, default=None)
equip_id: int = Field(foreign_key='equipment.id')
# equipment: Equipment = Relationship()
srvyr_id: int = Field('surveyor.id')
# surveyor: Surveyor = Relationship()
accur_id: int = Field('accuracy.id')
# accuracy: Accuracy = Relationship()
project_id: int = Field('project.id')
# project: Project = Relationship()
equip_id: int = Field(
foreign_key=gisaf_survey_table_args['schema'] + '.equipment.id')
srvyr_id: int = Field(
foreign_key=gisaf_survey_table_args['schema'] + '.surveyor.id')
accur_id: int = Field(
foreign_key=gisaf_survey_table_args['schema'] + '.accuracy.id')
project_id: int = Field(
foreign_key=gisaf_admin_table_args['schema'] + '.project.id')
orig_id: str
date: date
@ -151,7 +149,7 @@ class SurveyModel(BaseSurveyModel):
"""
Base mixin class for defining final (reprojected) survey data, with a status
"""
metadata: ClassVar[MetaData] = survey
__table_args__ = survey_table_args
# status: str = Field(sa_type=String(1))
get_gdf_with_related: ClassVar[bool] = False
@ -182,6 +180,10 @@ class SurveyModel(BaseSurveyModel):
'gisaf_admin_project_skip_columns',
]
@declared_attr
def __tablename__(cls) -> str:
return cls.__name__ # type: nocheck
async def get_survey_info(self):
info = await super(SurveyModel, self).get_survey_info()
if self.srvyr_id:
@ -203,7 +205,7 @@ class SurveyModel(BaseSurveyModel):
@property
def caption(self):
return '{self.category.description} [{self.category.group}-{self.category.minor_group_1}] #{self.id:d}'.format(self=self)
return '{self.category.description} - {self.category.name} [{self.category.group}-{self.category.minor_group_1}] #{self.id:d}'.format(self=self)
@classmethod
async def get_popup(cls, df):
@ -425,30 +427,28 @@ class GeoModelNoStatus(Model):
async def get_tags(self):
from gisaf.models.tags import Tags
tags = await Tags.get_df(
where=and_(
Tags.store == self.__class__.get_store_name(),
Tags.ref_id == self.id
),
with_only_columns=['tags']
)
if len(tags) > 0:
return tags.loc[0, 'tags']
else:
return {}
async with db_session() as session:
query = select(Tags.tags).where(Tags.store == self.get_store_name(),
Tags.ref_id == self.id)
tags = await session.exec(query)
return tags.one_or_none() or {}
@property
@cached_property
def shapely_geom(self):
if not hasattr(self, '_shapely_geom'):
if isinstance(self.geom, WKBElement):
bytes = self.geom.data
if bytes:
self._shapely_geom = wkb.loads(bytes)
else:
self._shapely_geom = None
else:
self._shapely_geom = None
return self._shapely_geom
return from_wkb(self.geom.data)
# @property
# def shapely_geom(self):
# if not hasattr(self, '_shapely_geom'):
# if isinstance(self.geom, WKBElement):
# bytes = self.geom.data
# if bytes:
# self._shapely_geom = wkb.loads(bytes)
# else:
# self._shapely_geom = None
# else:
# self._shapely_geom = None
# return self._shapely_geom
def get_bgColor(self):
"""
@ -760,6 +760,7 @@ class GeoModelNoStatus(Model):
def get_attachment_base_dir(cls):
return Path(conf.attachments.base_dir) / cls.get_attachment_dir()
class GeoModel(GeoModelNoStatus):
status: ClassVar[str] = 'E'
"""
@ -1061,7 +1062,7 @@ class RawSurveyBaseModel(BaseSurveyModel, GeoPointModelNoStatus):
"""
Abstract base class for category based raw survey point models
"""
metadata: ClassVar[MetaData] = raw_survey
# metadata: ClassVar[MetaData] = raw_survey
geom: Annotated[str, WKBElement] = Field(sa_type=Geometry('POINTZ', dimension=3,
srid=conf.geo.raw_survey.srid))
status: str = Field(sa_type=String(1))