Beispiel #1
0
    def feature_create(self, feature):
        """Insert new object to DB which is described in feature

        :param feature: object description
        :type feature:  Feature

        :return:    inserted object ID
        """
        self.before_feature_create.fire(resource=self, feature=feature)

        tableinfo = TableInfo.from_layer(self)
        tableinfo.setup_metadata(self._tablename)

        obj = tableinfo.model()
        for f in tableinfo.fields:
            if f.keyname in feature.fields.keys():
                setattr(obj, f.key, feature.fields[f.keyname])

        obj.geom = ga_from_shape(feature.geom, srid=self.srs_id)

        if feature.geom.geom_type.upper() != self.geometry_type:
            raise ValidationError(
                _("Geometry type (%s) does not match geometry column type (%s)."
                  ) % (feature.geom.geom_type.upper(), self.geometry_type))

        DBSession.add(obj)
        DBSession.flush()
        DBSession.refresh(obj)

        self.after_feature_create.fire(resource=self, feature_id=obj.id)

        on_data_change.fire(self, feature.geom)

        return obj.id
Beispiel #2
0
    def feature_put(self, feature):
        self.before_feature_update.fire(resource=self, feature=feature)

        tableinfo = TableInfo.from_layer(self)
        tableinfo.setup_metadata(self._tablename)

        obj = tableinfo.model(id=feature.id)
        for f in tableinfo.fields:
            if f.keyname in feature.fields:
                setattr(obj, f.key, feature.fields[f.keyname])

        # FIXME: Don't try to write geometry if it exists.
        # This will not let to write empty geometry, but it is not needed yet.

        if feature.geom is not None:
            obj.geom = ga_from_shape(feature.geom, srid=self.srs_id)

        DBSession.merge(obj)

        self.after_feature_update.fire(resource=self, feature=feature)

        on_data_change.fire(self, feature.geom)