bookshelf-jsonapi-params
Version:
Automatically applies relations, filters, and more from the JSON API spec to your Bookshelf.js results
128 lines (108 loc) • 18.8 kB
JavaScript
;var _lodash = require('lodash');function _toConsumableArray(arr) {if (Array.isArray(arr)) {for (var i = 0, arr2 = Array(arr.length); i < arr.length; i++) {arr2[i] = arr[i];}return arr2;} else {return Array.from(arr);}}
// Output postgres compliant query stub that accesses a property of a jsonb column
var pgAttributeChain = function pgAttributeChain(column, jsonColumn, dataType) {var _ref = arguments.length > 3 && arguments[3] !== undefined ? arguments[3] : {},_ref$includeAs = _ref.includeAs,includeAs = _ref$includeAs === undefined ? false : _ref$includeAs;
var propertyChain = jsonColumn.split('.');
var bindings = [column].concat(_toConsumableArray(propertyChain));
var sanitizedDataType = null;
if (dataType === 'numeric') {
sanitizedDataType = 'numeric';
} else
if (dataType === 'date') {
sanitizedDataType = 'date';
} else
if (dataType === 'timestamp') {
sanitizedDataType = 'timestamp';
}
var jsonSQL = '??#>>\'{' + propertyChain.map(function () {return '??';}).join(',') + '}\'';
if (sanitizedDataType) {
jsonSQL = '(' + jsonSQL + ')::' + sanitizedDataType;
}
if (includeAs) {
jsonSQL = jsonSQL + ' as ??';
// for JSONB, the leaf attribute of the object access is the column name
bindings.push(propertyChain[propertyChain.length - 1]);
}
return { jsonSQL: jsonSQL, bindings: bindings };
};
var equalityJsonFilter = function equalityJsonFilter(jsonSQL, values, hasNull, qb, bindings, knex) {var whereType = arguments.length > 6 && arguments[6] !== undefined ? arguments[6] : 'where';
var rawQueryStringWithBindings = jsonSQL + ' in (' + values.map(function () {return '?';}).join(',') + ')';
if (hasNull) {
qb[whereType](function (qbWhere) {
// Clone the bindings array to avoid sharing the same array with the orWhere below
qbWhere.whereRaw(jsonSQL + ' is null', [].concat(_toConsumableArray(bindings)));
if (!(0, _lodash.isEmpty)(values)) {
qbWhere.orWhere(knex.raw(rawQueryStringWithBindings, [].concat(_toConsumableArray(bindings), _toConsumableArray(values))));
}
});
} else
{
qb[whereType + 'Raw'](rawQueryStringWithBindings, [].concat(_toConsumableArray(bindings), _toConsumableArray(values)));
}
};
module.exports.buildFilterWithType = function (_ref2) {var nullString = _ref2.nullString,qb = _ref2.qb,knex = _ref2.knex,filterType = _ref2.filterType,values = _ref2.values,column = _ref2.column,jsonColumn = _ref2.jsonColumn,dataType = _ref2.dataType,extraEqualityFilterValues = _ref2.extraEqualityFilterValues;var _pgAttributeChain =
pgAttributeChain(column, jsonColumn, dataType),jsonSQL = _pgAttributeChain.jsonSQL,bindings = _pgAttributeChain.bindings;
// Remove all null and 'null' from the values array. If the length is different after removal, there were nulls
var hasNull = values.length !== (0, _lodash.pull)(values, null, nullString).length;
if (filterType === 'equal') {
equalityJsonFilter(jsonSQL, values, hasNull, qb, bindings, knex);
} else
if (filterType === 'like') {
qb.where(function (qbWhere) {
var where = 'where';
(0, _lodash.forEach)(values, function (value) {
var subBindings = [].concat(_toConsumableArray(bindings), ['%' + value + '%']);
qbWhere[where](knex.raw('(' + jsonSQL + ')::text ilike ?', subBindings));
// Change to orWhere after the first where
if (where === 'where') {
where = 'orWhere';
}
});
/// Handle if key is also in equality filter
if (extraEqualityFilterValues) {
var extraHasNull = extraEqualityFilterValues.length !== (0, _lodash.pull)(extraEqualityFilterValues, null, nullString).length;
equalityJsonFilter(jsonSQL, extraEqualityFilterValues, extraHasNull, qbWhere, bindings, knex, 'orWhere');
}
});
} else
if (filterType === 'not') {
if (hasNull) {
qb.whereRaw(jsonSQL + ' is not null', bindings);
}
if (!(0, _lodash.isEmpty)(values)) {
bindings.push.apply(bindings, _toConsumableArray(values));
qb.whereRaw(jsonSQL + ' not in (' + values.map(function () {return '?';}).join(',') + ')', bindings);
}
}
// All other filter types, the values is expected to NOT be an array. This follows the logic in the main index file.
else if (filterType === 'gt') {
bindings.push.apply(bindings, _toConsumableArray(values));
qb.whereRaw(jsonSQL + ' > ?', bindings);
} else
if (filterType === 'gte') {
bindings.push.apply(bindings, _toConsumableArray(values));
qb.whereRaw(jsonSQL + ' >= ?', bindings);
} else
if (filterType === 'lt') {
bindings.push.apply(bindings, _toConsumableArray(values));
qb.whereRaw(jsonSQL + ' < ?', bindings);
} else
if (filterType === 'lte') {
bindings.push.apply(bindings, _toConsumableArray(values));
qb.whereRaw(jsonSQL + ' <= ?', bindings);
}
};
module.exports.buildSelect = function (qb, knex, column, jsonColumn, dataType) {
// TODO: aggregate functions count, sum, avg, max, min
var _pgAttributeChain2 = pgAttributeChain(column, jsonColumn, dataType, { includeAs: true }),jsonSQL = _pgAttributeChain2.jsonSQL,bindings = _pgAttributeChain2.bindings;
qb.select(knex.raw(jsonSQL, bindings));
};
module.exports.buildSort = function (qb, sortType, column, jsonColumn, dataType) {
// Ensure that the sort direction can not be injected
var sanitizedSortType = 'asc';
if (sortType === 'desc') {
sanitizedSortType = 'desc';
}var _pgAttributeChain3 =
pgAttributeChain(column, jsonColumn, dataType),jsonSQL = _pgAttributeChain3.jsonSQL,bindings = _pgAttributeChain3.bindings;
qb.orderByRaw(jsonSQL + ' ' + sanitizedSortType, bindings);
};
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{\n    forEach as _forEach,\n    isEmpty as _isEmpty,\n    pull as _pull\n} from 'lodash';\n\n// Output postgres compliant query stub that accesses a property of a jsonb column\nconst pgAttributeChain = function (column, jsonColumn, dataType, { includeAs = false } = {}) {\n\n    const propertyChain = jsonColumn.split('.');\n    const bindings = [column, ...propertyChain];\n    let sanitizedDataType = null;\n    if (dataType === 'numeric') {\n        sanitizedDataType = 'numeric';\n    }\n    else if (dataType === 'date') {\n        sanitizedDataType = 'date';\n    }\n    else if (dataType === 'timestamp') {\n        sanitizedDataType = 'timestamp';\n    }\n    let jsonSQL = `??#>>'{${propertyChain.map(() => '??').join(',')}}'`;\n    if (sanitizedDataType) {\n        jsonSQL = `(${jsonSQL})::${sanitizedDataType}`;\n    }\n    if (includeAs) {\n        jsonSQL = `${jsonSQL} as ??`;\n        // for JSONB, the leaf attribute of the object access is the column name\n        bindings.push(propertyChain[propertyChain.length - 1]);\n    }\n\n    return { jsonSQL, bindings };\n};\n\nconst equalityJsonFilter = function (jsonSQL, values, hasNull, qb, bindings, knex, whereType = 'where') {\n\n    const rawQueryStringWithBindings = `${jsonSQL} in (${values.map(() => '?').join(',')})`;\n    if (hasNull) {\n        qb[whereType]((qbWhere) => {\n            // Clone the bindings array to avoid sharing the same array with the orWhere below\n            qbWhere.whereRaw(`${jsonSQL} is null`, [...bindings]);\n            if (!_isEmpty(values)) {\n                qbWhere.orWhere(knex.raw(rawQueryStringWithBindings, [...bindings, ...values]));\n            }\n        });\n    }\n    else {\n        qb[`${whereType}Raw`](rawQueryStringWithBindings, [...bindings, ...values]);\n    }\n};\n\nmodule.exports.buildFilterWithType = function ({ nullString, qb, knex, filterType, values, column, jsonColumn, dataType, extraEqualityFilterValues }) {\n\n    const { jsonSQL, bindings } = pgAttributeChain(column, jsonColumn, dataType);\n\n    // Remove all null and 'null' from the values array. If the length is different after removal, there were nulls\n    const hasNull = values.length !== _pull(values, null, nullString).length;\n\n    if (filterType === 'equal') {\n        equalityJsonFilter(jsonSQL, values, hasNull, qb, bindings, knex);\n    }\n    else if (filterType === 'like') {\n        qb.where((qbWhere) => {\n\n            let where = 'where';\n            _forEach(values, (value) => {\n\n                const subBindings = [...bindings, `%${value}%`];\n                qbWhere[where](knex.raw(`(${jsonSQL})::text ilike ?`, subBindings));\n\n                // Change to orWhere after the first where\n                if (where === 'where'){\n                    where = 'orWhere';\n                }\n            });\n\n            /// Handle if key is also in equality filter\n            if (extraEqualityFilterValues) {\n                const extraHasNull = extraEqualityFilterValues.length !== _pull(extraEqualityFilterValues, null, nullString).length;\n                equalityJsonFilter(jsonSQL, extraEqualityFilterValues, extraHasNull, qbWhere, bindings, knex, 'orWhere');\n            }\n        });\n    }\n    else if (filterType === 'not') {\n        if (hasNull) {\n            qb.whereRaw(`${jsonSQL} is not null`, bindings);\n        }\n        if (!_isEmpty(values)) {\n            bindings.push(...values);\n            qb.whereRaw(`${jsonSQL} not in (${values.map(() => '?').join(',')})`, bindings);\n        }\n    }\n    // All other filter types, the values is expected to NOT be an array. This follows the logic in the main index file.\n    else if (filterType === 'gt') {\n        bindings.push(...values);\n        qb.whereRaw(`${jsonSQL} > ?`, bindings);\n    }\n    else if (filterType === 'gte') {\n        bindings.push(...values);\n        qb.whereRaw(`${jsonSQL} >= ?`, bindings);\n    }\n    else if (filterType === 'lt') {\n        bindings.push(...values);\n        qb.whereRaw(`${jsonSQL} < ?`, bindings);\n    }\n    else if (filterType === 'lte') {\n        bindings.push(...values);\n        qb.whereRaw(`${jsonSQL} <= ?`, bindings);\n    }\n};\n\nmodule.exports.buildSelect = function (qb, knex, column, jsonColumn, dataType) {\n    // TODO: aggregate functions count, sum, avg, max, min\n    const { jsonSQL, bindings } = pgAttributeChain(column, jsonColumn, dataType, { includeAs: true });\n    qb.select(knex.raw(jsonSQL, bindings));\n};\n\nmodule.exports.buildSort = function (qb, sortType, column, jsonColumn, dataType) {\n\n    // Ensure that the sort direction can not be injected\n    let sanitizedSortType = 'asc';\n    if (sortType === 'desc'){\n        sanitizedSortType = 'desc';\n    }\n    const { jsonSQL, bindings } = pgAttributeChain(column, jsonColumn, dataType);\n    qb.orderByRaw(`${jsonSQL} ${sanitizedSortType}`, bindings);\n};\n"]}