@qrvey/formula-lang/dist/module/functions/dayofweek.js

QFormula support for qrvey projects

import { AST_PRIMITIVES, OPERATION_SCOPE } from '../constants';
import { isDateParam, isStringParam, removeQuotes } from '../utils';
import { isAnAllowedValue } from '../utils/isAnAllowedValue';
/**
 * `DAYOFWEEK` Returns a number or string representative of the weekday for a given date.
 */
export const DAYOFWEEK = {
    identifier: 'DAYOFWEEK',
    operationScope: OPERATION_SCOPE.RAW,
    functionScope: [OPERATION_SCOPE.RAW],
    parameters: [
        {
            identifier: 'DATE',
            optional: false,
            expectedPrimitive: AST_PRIMITIVES.DATE,
            validator: [isDateParam],
        },
        {
            identifier: 'FORMAT',
            optional: true,
            expectedPrimitive: AST_PRIMITIVES.STRING,
            validator: [isStringParam, isAnAllowedValue(['Day', 'D'])],
        },
    ],
    transpiler: {
        elasticsearch,
        snowflake,
        redshift,
        postgresql,
        databricks,
    },
    primitiveResult(args) {
        var _a;
        const argument = args === null || args === void 0 ? void 0 : args[1];
        const format = (_a = argument === null || argument === void 0 ? void 0 : argument.value) !== null && _a !== void 0 ? _a : 'D';
        if (format === 'Day')
            return AST_PRIMITIVES.STRING;
        return AST_PRIMITIVES.NUMBER;
    },
};
function elasticsearch(date, format) {
    let _format = format !== null && format !== void 0 ? format : 'D';
    _format = removeQuotes(_format);
    switch (_format) {
        case 'D':
            return `((${date}.getDayOfWeek().getValue() % 7) + 1)`;
        case 'Day':
            return `${date}.getDayOfWeek().getDisplayName(TextStyle.FULL, Locale.ENGLISH)`;
        default:
            return '';
    }
}
function SQL(date, format) {
    let _format = format !== null && format !== void 0 ? format : 'D';
    _format = removeQuotes(_format);
    switch (_format) {
        case 'Day':
            return `TO_CHAR(${date}, 'Day')`;
        case 'D':
            return `CAST(TO_CHAR(${date}, 'D') AS NUMERIC)`;
        default:
            return '';
    }
}
function snowflake(date, format) {
    let _format = format !== null && format !== void 0 ? format : 'D';
    _format = removeQuotes(_format);
    switch (_format) {
        case 'Day':
            return `DECODE(EXTRACT('dayofweek_iso', ${date}),
            1, 'Monday',
            2, 'Tuesday',
            3, 'Wednesday',
            4, 'Thursday',
            5, 'Friday',
            6, 'Saturday',
            7, 'Sunday')`;
        case 'D':
            return `DAYOFWEEK(${date}) + 1`;
        default:
            return '';
    }
}
function redshift(date, format) {
    return SQL(date, format);
}
function postgresql(date, format) {
    return SQL(date, format);
}
function databricks(date, format) {
    let _format = format !== null && format !== void 0 ? format : 'D';
    _format = removeQuotes(_format);
    const dayOfWeekQueryStr = `DAYOFWEEK(${date})`;
    switch (_format) {
        case 'Day':
            return `CASE ${dayOfWeekQueryStr}
                WHEN 1 THEN 'Sunday'
                WHEN 2 THEN 'Monday'
                WHEN 3 THEN 'Tuesday'
                WHEN 4 THEN 'Wednesday'
                WHEN 5 THEN 'Thursday'
                WHEN 6 THEN 'Friday'
                WHEN 7 THEN 'Saturday'
            END`;
        case 'D':
            return `DATE_PART('WEEK', DATE_ADD(DAY, (1 - CAST(DATE_PART('DAYOFWEEK', ${date}) AS INTEGER)) + 1, ${date}))`;
        default:
            return '';
    }
}
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