@blueleader07/typeorm/driver/dynamo/helpers/DynamoParamHelper.js

Data-Mapper ORM for TypeScript, ES7, ES6, ES5. Supports MySQL, PostgreSQL, MariaDB, SQLite, MS SQL Server, Oracle, MongoDB databases.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.dynamoParamHelper = void 0;
const DynamoUpdateExpressionOptions_1 = require("../models/DynamoUpdateExpressionOptions");
const DynamoFindOptions_1 = require("../models/DynamoFindOptions");
const DynamoGlobalSecondaryIndexHelper_1 = require("./DynamoGlobalSecondaryIndexHelper");
const DynamoObjectHelper_1 = require("./DynamoObjectHelper");
const indexedWhere = (options, indices) => {
    indices = indices || [];
    const index = indices.find((index) => {
        return index.name === options.index;
    });
    const where = {};
    if (index && options.where) {
        const columns = index.columns || [];
        const partitionKey = (0, DynamoGlobalSecondaryIndexHelper_1.buildPartitionKey)(columns);
        const values = [];
        for (let i = 0; i < columns.length; i += 1) {
            const column = columns[i];
            const value = options.where[column.propertyName];
            values.push(value);
        }
        where[partitionKey] = values.join("#");
    }
    return (0, DynamoObjectHelper_1.isNotEmpty)(where) ? where : options.where;
};
exports.dynamoParamHelper = {
    find(tableName, options, indices) {
        options.where = indexedWhere(options, indices);
        const params = {
            TableName: tableName,
            KeyConditionExpression: DynamoFindOptions_1.DynamoFindOptions.toKeyConditionExpression(options),
            ExpressionAttributeNames: DynamoFindOptions_1.DynamoFindOptions.toAttributeNames(options),
            ExpressionAttributeValues: DynamoFindOptions_1.DynamoFindOptions.toExpressionAttributeValues(options),
            ScanIndexForward: options.sort !== "DESC",
        };
        if (options.index) {
            params.IndexName = options.index;
        }
        if (options.limit) {
            params.Limit = options.limit;
        }
        if (options.exclusiveStartKey) {
            params.ExclusiveStartKey = options.exclusiveStartKey;
        }
        return params;
    },
    update(tableName, options) {
        return {
            TableName: tableName,
            Key: options.where,
            UpdateExpression: DynamoUpdateExpressionOptions_1.DynamoUpdateExpressionOptions.toUpdateExpression(options),
            ExpressionAttributeNames: DynamoUpdateExpressionOptions_1.DynamoUpdateExpressionOptions.toAttributeNames(options),
            ExpressionAttributeValues: DynamoUpdateExpressionOptions_1.DynamoUpdateExpressionOptions.toExpressionAttributeValues(options),
        };
    },
};

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