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Viewing file:     databasesRestApiClient.js (9.52 KB)      -rw-r--r--

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        if (typeof b !== "function" && b !== null)
            throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
    return new (P || (P = Promise))(function (resolve, reject) {
        function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
        function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
        function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
var __generator = (this && this.__generator) || function (thisArg, body) {
    var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
    return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
    function verb(n) { return function (v) { return step([n, v]); }; }
    function step(op) {
        if (f) throw new TypeError("Generator is already executing.");
        while (g && (g = 0, op[0] && (_ = 0)), _) try {
            if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
            if (y = 0, t) op = [op[0] & 2, t.value];
            switch (op[0]) {
                case 0: case 1: t = op; break;
                case 4: _.label++; return { value: op[1], done: false };
                case 5: _.label++; y = op[1]; op = [0]; continue;
                case 7: op = _.ops.pop(); _.trys.pop(); continue;
                default:
                    if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
                    if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
                    if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
                    if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
                    if (t[2]) _.ops.pop();
                    _.trys.pop(); continue;
            }
            op = body.call(thisArg, _);
        } catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
        if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
    }
};
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var mysql_1 = __importDefault(require("mysql"));
var errors_1 = require("../errors");
var database_1 = __importDefault(require("./database"));
var databasesApiClient_1 = __importDefault(require("./databasesApiClient"));
/** Implementation of DatabasesApiClient that goes through the REST API. */
var DatabasesRestApiClient = /** @class */ (function (_super) {
    __extends(DatabasesRestApiClient, _super);
    /**
     *
     * @param {SqlApiClient} sqlClient - SQL API client to send all SQL query requests.
     */
    function DatabasesRestApiClient(sqlClient) {
        var _this = _super.call(this) || this;
        _this.sqlClient = sqlClient;
        return _this;
    }
    /**
     * Gets all databases for the authenticated user.
     * @returns {Promise<Array<Database>>} - All databases for the user.
     */
    DatabasesRestApiClient.prototype.getAllDatabases = function () {
        return __awaiter(this, void 0, void 0, function () {
            var showDatabasesQuery, sqlQueryResponse;
            var _this = this;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        showDatabasesQuery = "SHOW FULL DATABASES";
                        return [4 /*yield*/, this.sqlClient.runQuery(showDatabasesQuery)];
                    case 1:
                        sqlQueryResponse = _a.sent();
                        return [2 /*return*/, sqlQueryResponse.rows.map(function (r) { return new database_1.default(_this, r['database'], r['type'], r['engine']); })];
                }
            });
        });
    };
    /**
     * Gets a database by name for the authenticated user.
     * @param {string} name - Name of the database.
     * @returns {Promise<Database | undefined>} - Matching database, or undefined if it doesn't exist.
     */
    DatabasesRestApiClient.prototype.getDatabase = function (name) {
        return __awaiter(this, void 0, void 0, function () {
            var showDatabasesQuery, sqlQueryResponse, databaseRow;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        showDatabasesQuery = "SHOW FULL DATABASES";
                        return [4 /*yield*/, this.sqlClient.runQuery(showDatabasesQuery)];
                    case 1:
                        sqlQueryResponse = _a.sent();
                        databaseRow = sqlQueryResponse.rows.find(function (r) { return r['database'] === name; });
                        if (!databaseRow) {
                            return [2 /*return*/, undefined];
                        }
                        return [2 /*return*/, new database_1.default(this, databaseRow['database'], databaseRow['type'], databaseRow['engine'])];
                }
            });
        });
    };
    /**
     * Creates a database with the given name, engine, and parameters.
     * @param {string} name - Name of the database to be created.
     * @param {string} [engine] - Optional name of the database engine.
     * @param {string} [params] - Optional parameters used to connect to the database (e.g. user, password).
     * @returns {Promise<Database>} - Newly created database.
     * @throws {MindsDbError} - Something went wrong creating the database.
     */
    DatabasesRestApiClient.prototype.createDatabase = function (name, engine, params) {
        return __awaiter(this, void 0, void 0, function () {
            var escapedName, escapedNameNoBackticks, createClause, engineClause, type, paramsClause, createDatabaseQuery, sqlQueryResult;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        escapedName = mysql_1.default.escapeId(name);
                        escapedNameNoBackticks = escapedName.slice(1, escapedName.length - 1);
                        createClause = "CREATE DATABASE ".concat(escapedNameNoBackticks);
                        engineClause = '';
                        type = 'project';
                        if (engine) {
                            engineClause = "WITH ENGINE = ".concat(mysql_1.default.escape(engine));
                            type = 'data';
                        }
                        paramsClause = '';
                        if (params) {
                            engineClause += ',';
                            paramsClause = "PARAMETERS = ".concat(JSON.stringify(params));
                        }
                        createDatabaseQuery = [createClause, engineClause, paramsClause].join('\n');
                        return [4 /*yield*/, this.sqlClient.runQuery(createDatabaseQuery)];
                    case 1:
                        sqlQueryResult = _a.sent();
                        if (sqlQueryResult.error_message) {
                            throw new errors_1.MindsDbError(sqlQueryResult.error_message);
                        }
                        return [2 /*return*/, new database_1.default(this, name, type, engine)];
                }
            });
        });
    };
    /**
     * Deletes a database by name.
     * @param {string} name - Name of the database to be deleted.
     * @throws {MindsDbError} - Something went wrong deleting the database.
     */
    DatabasesRestApiClient.prototype.deleteDatabase = function (name) {
        return __awaiter(this, void 0, void 0, function () {
            var dropDatabaseQuery, sqlQueryResult;
            return __generator(this, function (_a) {
                switch (_a.label) {
                    case 0:
                        dropDatabaseQuery = "DROP DATABASE ".concat(mysql_1.default.escapeId(name));
                        return [4 /*yield*/, this.sqlClient.runQuery(dropDatabaseQuery)];
                    case 1:
                        sqlQueryResult = _a.sent();
                        if (sqlQueryResult.error_message) {
                            throw new errors_1.MindsDbError(sqlQueryResult.error_message);
                        }
                        return [2 /*return*/];
                }
            });
        });
    };
    return DatabasesRestApiClient;
}(databasesApiClient_1.default));
exports.default = DatabasesRestApiClient;