dynamodb-turbine/dist/entity.js

Entity mapping and query library for DynamoDB

"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
exports.defineEntity = void 0;
var client_dynamodb_1 = require("@aws-sdk/client-dynamodb");
var expressions_1 = require("./expressions");
var parsing_1 = require("./parsing");
var defineEntity = function (definition) {
    // @ts-expect-error missing
    var entity = {
        definition: definition,
    };
    entity.put = function (data) { return __awaiter(void 0, void 0, void 0, function () {
        var payload;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0: return [4 /*yield*/, (0, parsing_1.expandPayload)(definition, data)];
                case 1:
                    payload = _a.sent();
                    return [4 /*yield*/, definition.table.put({
                            Item: payload,
                        })];
                case 2:
                    _a.sent();
                    return [2 /*return*/, (0, parsing_1.parseInstance)(definition, entity, payload)];
            }
        });
    }); };
    entity.update = function (key, patch) { return __awaiter(void 0, void 0, void 0, function () {
        var _a, Key, payload, _i, _b, field, Attributes;
        return __generator(this, function (_c) {
            switch (_c.label) {
                case 0:
                    key.index = "table";
                    return [4 /*yield*/, (0, parsing_1.resolveIndex)(definition, key)];
                case 1:
                    _a = _c.sent(), Key = _a[1];
                    return [4 /*yield*/, (0, parsing_1.expandPartialPayload)(definition, patch)];
                case 2:
                    payload = _c.sent();
                    for (_i = 0, _b = Object.keys(Key); _i < _b.length; _i++) {
                        field = _b[_i];
                        if (field in payload) {
                            delete payload[field];
                        }
                    }
                    return [4 /*yield*/, definition.table.update(__assign(__assign({ Key: (0, parsing_1.resolveKeyValues)(Key) }, (0, expressions_1.generateUpdateExpression)(payload, ["createdAt"])), { ReturnValues: client_dynamodb_1.ReturnValue.ALL_NEW }))];
                case 3:
                    Attributes = (_c.sent()).Attributes;
                    return [2 /*return*/, (0, parsing_1.parseInstance)(definition, entity, Attributes)];
            }
        });
    }); };
    entity.query = function (key, options) { return __awaiter(void 0, void 0, void 0, function () {
        var _a, IndexName, Key, _b, filters, dynamoDbOptions, query, _c, Items, LastEvaluatedKey, next;
        return __generator(this, function (_d) {
            switch (_d.label) {
                case 0: return [4 /*yield*/, (0, parsing_1.resolveIndex)(definition, key)];
                case 1:
                    _a = _d.sent(), IndexName = _a[0], Key = _a[1];
                    _b = options || {}, filters = _b.filters, dynamoDbOptions = __rest(_b, ["filters"]);
                    query = (0, expressions_1.generateQueryExpression)(Key, filters);
                    return [4 /*yield*/, definition.table.query(__assign(__assign(__assign({}, query), { IndexName: IndexName === "table" ? undefined : IndexName }), dynamoDbOptions))];
                case 2:
                    _c = _d.sent(), Items = _c.Items, LastEvaluatedKey = _c.LastEvaluatedKey;
                    next = function () {
                        return entity.query(key, __assign(__assign({}, options), { ExclusiveStartKey: LastEvaluatedKey }));
                    };
                    return [2 /*return*/, (0, parsing_1.parsePagedResult)(definition, entity, Items, LastEvaluatedKey, next)];
            }
        });
    }); };
    entity.queryOne = function (key, options) {
        return entity
            .query(key, __assign({ Limit: 1 }, options))
            .then(function (result) { return result[0] || null; });
    };
    entity.queryAll = function (key, options) { return __awaiter(void 0, void 0, void 0, function () {
        var next, items, result;
        return __generator(this, function (_a) {
            switch (_a.label) {
                case 0:
                    next = function () { return entity.query(key, options); };
                    items = [];
                    _a.label = 1;
                case 1:
                    if (!next) return [3 /*break*/, 3];
                    return [4 /*yield*/, next()];
                case 2:
                    result = _a.sent();
                    items.push.apply(items, result);
                    if (!result.next)
                        return [3 /*break*/, 3];
                    next = result.next;
                    return [3 /*break*/, 1];
                case 3: return [2 /*return*/, items];
            }
        });
    }); };
    entity.get = function (key) { return __awaiter(void 0, void 0, void 0, function () {
        var _a, Key, Item;
        return __generator(this, function (_b) {
            switch (_b.label) {
                case 0:
                    key.index = "table";
                    return [4 /*yield*/, (0, parsing_1.resolveIndex)(definition, key)];
                case 1:
                    _a = _b.sent(), Key = _a[1];
                    return [4 /*yield*/, definition.table.get({
                            Key: (0, parsing_1.resolveKeyValues)(Key),
                        })];
                case 2:
                    Item = (_b.sent()).Item;
                    if (!Item)
                        return [2 /*return*/, null];
                    return [2 /*return*/, (0, parsing_1.parseInstance)(definition, entity, Item)];
            }
        });
    }); };
    entity.delete = function (key) { return __awaiter(void 0, void 0, void 0, function () {
        var _a, Key;
        return __generator(this, function (_b) {
            switch (_b.label) {
                case 0:
                    key.index = "table";
                    return [4 /*yield*/, (0, parsing_1.resolveIndex)(definition, key)];
                case 1:
                    _a = _b.sent(), Key = _a[1];
                    return [4 /*yield*/, definition.table.delete({
                            Key: (0, parsing_1.resolveKeyValues)(Key),
                        })];
                case 2:
                    _b.sent();
                    return [2 /*return*/];
            }
        });
    }); };
    return entity;
};
exports.defineEntity = defineEntity;