Esempio n. 1
0
def export_all_habitats(
    info_role,
    export_format="csv",
):
    """
    Download all stations
    The route is in post to avoid a too large query string

    .. :quickref: Occhab;

    """

    data = request.get_json()

    export_view = GenericTableGeo(
        tableName="v_export_sinp",
        schemaName="pr_occhab",
        engine=DB.engine,
        geometry_field="geom_local",
        srid=current_app.config["LOCAL_SRID"],
    )

    file_name = datetime.datetime.now().strftime("%Y_%m_%d_%Hh%Mm%S")
    file_name = filemanager.removeDisallowedFilenameChars(file_name)
    db_cols_for_shape = []
    columns_to_serialize = []
    for db_col in export_view.db_cols:
        if db_col.key in blueprint.config["EXPORT_COLUMS"]:
            if db_col.key != "geometry":
                db_cols_for_shape.append(db_col)
            columns_to_serialize.append(db_col.key)
    results = (
        DB.session.query(export_view.tableDef)
        .filter(export_view.tableDef.columns.id_station.in_(data["idsStation"]))
        .limit(blueprint.config["NB_MAX_EXPORT"])
    )
    if export_format == "csv":
        formated_data = [export_view.as_dict(d, fields=[]) for d in results]
        return to_csv_resp(
            file_name, formated_data, separator=";", columns=columns_to_serialize
        )
    elif export_format == "geojson":
        features = []
        for r in results:
            features.append(
                Feature(
                    geometry=json.loads(r.geojson),
                    properties=export_view.as_dict(r, fields=columns_to_serialize),
                )
            )
        return to_json_resp(
            FeatureCollection(features), as_file=True, filename=file_name, indent=4
        )
    else:
        try:
            dir_name, file_name = export_as_geo_file(
                export_format=export_format,
                export_view=export_view,
                db_cols=db_cols_for_shape,
                geojson_col=None,
                data=results,
                file_name=file_name,
            )
            return send_from_directory(dir_name, file_name, as_attachment=True)

        except GeonatureApiError as e:
            message = str(e)

        return render_template(
            "error.html",
            error=message,
            redirect=current_app.config["URL_APPLICATION"]
            + "/#/"
            + blueprint.config["MODULE_URL"],
        )
Esempio n. 2
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def export(info_role):
    """Export data from pr_occtax.v_export_occtax view (parameter)

    .. :quickref: Occtax; Export data from pr_occtax.v_export_occtax

    :query str format: format of the export ('csv', 'geojson', 'shapefile', 'gpkg')

    """
    export_view_name = blueprint.config["export_view_name"]
    export_geom_column = blueprint.config["export_geom_columns_name"]
    export_columns = blueprint.config["export_columns"]
    export_srid = blueprint.config["export_srid"]
    export_format = request.args[
        "format"] if "format" in request.args else "geojson"
    export_col_name_additional_data = blueprint.config[
        "export_col_name_additional_data"]

    export_view = GenericTableGeo(
        tableName=export_view_name,
        schemaName="pr_occtax",
        engine=DB.engine,
        geometry_field=export_geom_column,
        srid=export_srid,
    )
    columns = (export_columns if len(export_columns) > 0 else
               [db_col.key for db_col in export_view.db_cols])

    releve_repository = ReleveRepository(export_view)
    q = releve_repository.get_filtered_query(info_role,
                                             from_generic_table=True)
    q = get_query_occtax_filters(
        request.args,
        export_view,
        q,
        from_generic_table=True,
        obs_txt_column=blueprint.config["export_observer_txt_column"],
    )

    if current_app.config["OCCTAX"]["ADD_MEDIA_IN_EXPORT"]:
        q, columns = releve_repository.add_media_in_export(q, columns)
    data = q.all()

    file_name = datetime.datetime.now().strftime("%Y_%m_%d_%Hh%Mm%S")
    file_name = filemanager.removeDisallowedFilenameChars(file_name)

    #Ajout des colonnes additionnels
    additional_col_names = []
    query_add_fields = DB.session.query(TAdditionalFields).filter(
        TAdditionalFields.modules.any(module_code="OCCTAX")).filter(
            TAdditionalFields.exportable == True)
    global_add_fields = query_add_fields.filter(
        ~TAdditionalFields.datasets.any()).all()
    if "id_dataset" in request.args:
        dataset_add_fields = query_add_fields.filter(
            TAdditionalFields.datasets.any(
                id_dataset=request.args['id_dataset'])).all()
        global_add_fields = [*global_add_fields, *dataset_add_fields]

    additional_col_names = [field.field_name for field in global_add_fields]
    if export_format == "csv":
        # set additional data col at the end (remove it and inset it ...)
        columns.remove(export_col_name_additional_data)
        columns = columns + additional_col_names
        columns.append(export_col_name_additional_data)
        if additional_col_names:
            serialize_result = [
                as_dict_with_add_cols(export_view, row,
                                      export_col_name_additional_data,
                                      additional_col_names) for row in data
            ]
        else:
            serialize_result = [export_view.as_dict(row) for row in data]
        return to_csv_resp(file_name, serialize_result, columns, ";")
    elif export_format == "geojson":
        if additional_col_names:
            features = []
            for row in data:
                properties = as_dict_with_add_cols(
                    export_view, row, export_col_name_additional_data,
                    additional_col_names)
                feature = Feature(properties=properties,
                                  geometry=to_shape(
                                      getattr(row, export_geom_column)))
                features.append(feature)
            serialize_result = FeatureCollection(features)

        else:
            serialize_result = FeatureCollection([
                export_view.as_geofeature(d, fields=export_columns)
                for d in data
            ])
        return to_json_resp(serialize_result,
                            as_file=True,
                            filename=file_name,
                            indent=4,
                            extension="geojson")
    else:
        try:
            db_cols = [
                db_col for db_col in export_view.db_cols
                if db_col.key in export_columns
            ]
            dir_name, file_name = export_as_geo_file(
                export_format=export_format,
                export_view=export_view,
                db_cols=db_cols,
                geojson_col=None,
                data=data,
                file_name=file_name,
            )
            db_cols = [
                db_col for db_col in export_view.db_cols
                if db_col.key in export_columns
            ]

            return send_from_directory(dir_name, file_name, as_attachment=True)
        except GeonatureApiError as e:
            message = str(e)

        return render_template(
            "error.html",
            error=message,
            redirect=current_app.config["URL_APPLICATION"] + "/#/occtax",
        )
Esempio n. 3
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def export(info_role):
    """Export data from pr_occtax.v_export_occtax view (parameter)

    .. :quickref: Occtax; Export data from pr_occtax.v_export_occtax

    :query str format: format of the export ('csv', 'geojson', 'shapefile')

    """
    export_view_name = blueprint.config["export_view_name"]
    export_geom_column = blueprint.config["export_geom_columns_name"]
    export_columns = blueprint.config["export_columns"]
    export_srid = blueprint.config["export_srid"]

    export_view = GenericTableGeo(
        tableName=export_view_name,
        schemaName="pr_occtax",
        engine=DB.engine,
        geometry_field=export_geom_column,
        srid=export_srid,
    )

    releve_repository = ReleveRepository(export_view)
    q = releve_repository.get_filtered_query(info_role, from_generic_table=True)
    q = get_query_occtax_filters(
        request.args,
        export_view,
        q,
        from_generic_table=True,
        obs_txt_column=blueprint.config["export_observer_txt_column"],
    )

    data = q.all()

    file_name = datetime.datetime.now().strftime("%Y_%m_%d_%Hh%Mm%S")
    file_name = filemanager.removeDisallowedFilenameChars(file_name)

    export_format = request.args["format"] if "format" in request.args else "geojson"
    if export_format == "csv":
        columns = (
            export_columns
            if len(export_columns) > 0
            else [db_col.key for db_col in export_view.db_cols]
        )
        return to_csv_resp(
            file_name, [export_view.as_dict(d) for d in data], columns, ";"
        )
    elif export_format == "geojson":
        results = FeatureCollection(
            [export_view.as_geofeature(d, columns=export_columns) for d in data]
        )
        return to_json_resp(
            results, as_file=True, filename=file_name, indent=4, extension="geojson"
        )
    else:
        try:
            db_cols = [
                db_col for db_col in export_view.db_cols if db_col.key in export_columns
            ]
            dir_name, file_name = export_as_geo_file(
                export_format=export_format,
                export_view=export_view,
                db_cols=db_cols,
                geojson_col=None,
                data=data,
                file_name=file_name,
            )
            return send_from_directory(dir_name, file_name, as_attachment=True)

        except GeonatureApiError as e:
            message = str(e)

        return render_template(
            "error.html",
            error=message,
            redirect=current_app.config["URL_APPLICATION"] + "/#/occtax",
        )
Esempio n. 4
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def export_observations_web(info_role):
    """Optimized route for observations web export.

    .. :quickref: Synthese;

    This view is customisable by the administrator
    Some columns are mandatory: id_synthese, geojson and geojson_local to generate the exported files

    POST parameters: Use a list of id_synthese (in POST parameters) to filter the v_synthese_for_export_view

    :query str export_format: str<'csv', 'geojson', 'shapefiles', 'gpkg'>

    """
    params = request.args
    export_format = params.get("export_format", "csv")
    # Test export_format
    if not export_format in current_app.config["SYNTHESE"]["EXPORT_FORMAT"]:
        raise BadRequest("Unsupported format")

    # set default to csv
    export_view = GenericTableGeo(
        tableName="v_synthese_for_export",
        schemaName="gn_synthese",
        engine=DB.engine,
        geometry_field=None,
        srid=current_app.config["LOCAL_SRID"],
    )

    # get list of id synthese from POST
    id_list = request.get_json()

    db_cols_for_shape = []
    columns_to_serialize = []
    # loop over synthese config to get the columns for export
    for db_col in export_view.db_cols:
        if db_col.key in current_app.config["SYNTHESE"]["EXPORT_COLUMNS"]:
            db_cols_for_shape.append(db_col)
            columns_to_serialize.append(db_col.key)

    query = select([export_view.tableDef]).where(
        export_view.tableDef.columns[current_app.config["SYNTHESE"]["EXPORT_ID_SYNTHESE_COL"]].in_(
            id_list
        )
    )
    synthese_query_class = SyntheseQuery(
        export_view.tableDef,
        query,
        {},
        id_synthese_column=current_app.config["SYNTHESE"]["EXPORT_ID_SYNTHESE_COL"],
        id_dataset_column=current_app.config["SYNTHESE"]["EXPORT_ID_DATASET_COL"],
        observers_column=current_app.config["SYNTHESE"]["EXPORT_OBSERVERS_COL"],
        id_digitiser_column=current_app.config["SYNTHESE"]["EXPORT_ID_DIGITISER_COL"],
        with_generic_table=True,
    )
    # check R and E CRUVED to know if we filter with cruved
    cruved = cruved_scope_for_user_in_module(info_role.id_role, module_code="SYNTHESE")[0]
    if cruved["R"] > cruved["E"]:
        synthese_query_class.filter_query_with_cruved(info_role)
    results = DB.session.execute(synthese_query_class.query.limit(
        current_app.config["SYNTHESE"]["NB_MAX_OBS_EXPORT"])
    )

    file_name = datetime.datetime.now().strftime("%Y_%m_%d_%Hh%Mm%S")
    file_name = filemanager.removeDisallowedFilenameChars(file_name)

    if export_format == "csv":
        formated_data = [export_view.as_dict(d, columns=columns_to_serialize) for d in results]
        return to_csv_resp(file_name, formated_data, separator=";", columns=columns_to_serialize)

    elif export_format == "geojson":
        features = []
        for r in results:
            geometry = ast.literal_eval(
                getattr(r, current_app.config["SYNTHESE"]["EXPORT_GEOJSON_4326_COL"])
            )
            feature = Feature(
                geometry=geometry,
                properties=export_view.as_dict(r, columns=columns_to_serialize),
            )
            features.append(feature)
        results = FeatureCollection(features)
        return to_json_resp(results, as_file=True, filename=file_name, indent=4)
    else:
        try:
            dir_name, file_name = export_as_geo_file(
                export_format=export_format,
                export_view=export_view,
                db_cols=db_cols_for_shape,
                geojson_col=current_app.config["SYNTHESE"]["EXPORT_GEOJSON_LOCAL_COL"],
                data=results,
                file_name=file_name,
            )
            return send_from_directory(dir_name, file_name, as_attachment=True)

        except GeonatureApiError as e:
            message = str(e)

        return render_template(
            "error.html",
            error=message,
            redirect=current_app.config["URL_APPLICATION"] + "/#/synthese",
        )