406 lines
22 KiB
JavaScript
406 lines
22 KiB
JavaScript
"use strict";
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var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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return new (P || (P = Promise))(function (resolve, reject) {
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function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
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function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
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function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
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step((generator = generator.apply(thisArg, _arguments || [])).next());
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});
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};
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var __importDefault = (this && this.__importDefault) || function (mod) {
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return (mod && mod.__esModule) ? mod : { "default": mod };
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.default = updateTable;
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const fs_1 = __importDefault(require("fs"));
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const varDatabaseDbHandler_1 = __importDefault(require("./varDatabaseDbHandler"));
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const defaultFieldsRegexp = /^id$|^uuid$|^date_created$|^date_created_code$|^date_created_timestamp$|^date_updated$|^date_updated_code$|^date_updated_timestamp$/;
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const generateColumnDescription_1 = __importDefault(require("./generateColumnDescription"));
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const dbHandler_1 = __importDefault(require("./dbHandler"));
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/**
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* # Update table function
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*/
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function updateTable(_a) {
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return __awaiter(this, arguments, void 0, function* ({ dbFullName, tableName, tableInfoArray, userId, dbSchema, tableIndexes, tableSchema, clone, childDb, tableIndex, tableNameFull, recordedDbEntry, }) {
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/**
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* Initialize
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* ==========================================
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* @description Initial setup
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*/
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var _b;
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/** @type {any[]} */
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let errorLogs = [];
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/**
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* @description Initialize table info array. This value will be
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* changing depending on if a field is renamed or not.
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*/
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let upToDateTableFieldsArray = tableInfoArray;
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/**
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* Handle Table updates
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*
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* @description Try to undate table, catch error if anything goes wrong
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*/
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try {
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/**
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* @type {string[]}
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* @description Table update query string array
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*/
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const updateTableQueryArray = [];
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/**
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* @type {string[]}
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* @description Constriants query string array
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*/
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const constraintsQueryArray = [];
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/**
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* @description Push the query initial value
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*/
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updateTableQueryArray.push(`ALTER TABLE \`${dbFullName}\`.\`${tableName}\``);
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if (childDb) {
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try {
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if (!recordedDbEntry) {
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throw new Error("Recorded Db entry not found!");
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}
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const existingTable = yield (0, varDatabaseDbHandler_1.default)({
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queryString: `SELECT * FROM datasquirel.user_database_tables WHERE db_id = ? AND table_slug = ?`,
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queryValuesArray: [recordedDbEntry.id, tableName],
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});
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/** @type {import("../../types").MYSQL_user_database_tables_table_def} */
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const table = existingTable === null || existingTable === void 0 ? void 0 : existingTable[0];
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if (!(table === null || table === void 0 ? void 0 : table.id)) {
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const newTableEntry = yield (0, dbHandler_1.default)({
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query: `INSERT INTO datasquirel.user_database_tables SET ?`,
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values: {
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user_id: recordedDbEntry.user_id,
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db_id: recordedDbEntry.id,
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db_slug: recordedDbEntry.db_slug,
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table_name: tableNameFull,
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table_slug: tableName,
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child_table: (tableSchema === null || tableSchema === void 0 ? void 0 : tableSchema.childTable) ? "1" : null,
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child_table_parent_database: (tableSchema === null || tableSchema === void 0 ? void 0 : tableSchema.childTableDbFullName) || null,
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child_table_parent_table: tableSchema.childTableName || null,
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date_created: Date(),
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date_created_code: Date.now(),
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date_updated: Date(),
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date_updated_code: Date.now(),
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},
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});
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}
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}
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catch (error) { }
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}
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/**
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* @type {import("../../types").DSQL_MYSQL_SHOW_INDEXES_Type[]}
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* @description All indexes from MYSQL db
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*/ // @ts-ignore
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const allExistingIndexes = yield (0, varDatabaseDbHandler_1.default)({
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queryString: `SHOW INDEXES FROM \`${dbFullName}\`.\`${tableName}\``,
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});
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/**
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* @type {import("../../types").DSQL_MYSQL_SHOW_COLUMNS_Type[]}
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* @description All columns from MYSQL db
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*/ // @ts-ignore
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const allExistingColumns = yield (0, varDatabaseDbHandler_1.default)({
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queryString: `SHOW COLUMNS FROM \`${dbFullName}\`.\`${tableName}\``,
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});
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////////////////////////////////////////
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/**
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* @type {string[]}
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* @description Updated column names Array
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*/
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const updatedColumnsArray = [];
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/**
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* @description Iterate through every existing column
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*/
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for (let e = 0; e < allExistingColumns.length; e++) {
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const { Field } = allExistingColumns[e];
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if (Field.match(defaultFieldsRegexp))
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continue;
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/**
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* @description This finds out whether the fieldName corresponds with the MSQL Field name
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* if the fildName doesn't match any MYSQL Field name, the field is deleted.
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*/
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let existingEntry = upToDateTableFieldsArray.filter((column) => column.fieldName === Field || column.originName === Field);
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if (existingEntry && existingEntry[0]) {
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/**
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* @description Check if Field name has been updated
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*/
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if (existingEntry[0].updatedField &&
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existingEntry[0].fieldName) {
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updatedColumnsArray.push(existingEntry[0].fieldName);
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const renameColumn = yield (0, varDatabaseDbHandler_1.default)({
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queryString: `ALTER TABLE \`${dbFullName}\`.\`${tableName}\` RENAME COLUMN \`${existingEntry[0].originName}\` TO \`${existingEntry[0].fieldName}\``,
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});
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console.log(`Column Renamed from "${existingEntry[0].originName}" to "${existingEntry[0].fieldName}"`);
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/**
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* Update Db Schema
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* ===================================================
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* @description Update Db Schema after renaming column
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*/
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try {
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const userSchemaData = dbSchema;
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const targetDbIndex = userSchemaData.findIndex((db) => db.dbFullName === dbFullName);
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const targetTableIndex = userSchemaData[targetDbIndex].tables.findIndex((table) => table.tableName === tableName);
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const targetFieldIndex = userSchemaData[targetDbIndex].tables[targetTableIndex].fields.findIndex((field) => field.fieldName === existingEntry[0].fieldName);
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delete userSchemaData[targetDbIndex].tables[targetTableIndex].fields[targetFieldIndex]["originName"];
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delete userSchemaData[targetDbIndex].tables[targetTableIndex].fields[targetFieldIndex]["updatedField"];
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/**
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* @description Set New Table Fields Array
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*/
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upToDateTableFieldsArray =
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userSchemaData[targetDbIndex].tables[targetTableIndex].fields;
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fs_1.default.writeFileSync(`${String(process.env.DSQL_USER_DB_SCHEMA_PATH)}/user-${userId}/main.json`, JSON.stringify(userSchemaData), "utf8");
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}
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catch ( /** @type {any} */error) {
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console.log("Update table error =>", error.message);
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}
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////////////////////////////////////////
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}
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////////////////////////////////////////
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continue;
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////////////////////////////////////////
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}
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else {
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yield (0, varDatabaseDbHandler_1.default)({
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queryString: `ALTER TABLE \`${dbFullName}\`.\`${tableName}\` DROP COLUMN \`${Field}\``,
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});
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}
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}
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/**
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* Handle MYSQL Table Indexes
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* ===================================================
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* @description Iterate through each table index(if available)
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* and perform operations
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*/
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for (let f = 0; f < allExistingIndexes.length; f++) {
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const { Key_name, Index_comment } = allExistingIndexes[f];
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/**
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* @description Check if this index was specifically created
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* by datasquirel
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*/
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if (Index_comment === null || Index_comment === void 0 ? void 0 : Index_comment.match(/schema_index/)) {
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try {
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const existingKeyInSchema = tableIndexes === null || tableIndexes === void 0 ? void 0 : tableIndexes.filter((indexObject) => indexObject.alias === Key_name);
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if (!(existingKeyInSchema === null || existingKeyInSchema === void 0 ? void 0 : existingKeyInSchema[0]))
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throw new Error(`This Index(${Key_name}) Has been Deleted!`);
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}
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catch (error) {
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/**
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* @description Drop Index: This happens when the MYSQL index is not
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* present in the datasquirel DB schema
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*/
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yield (0, varDatabaseDbHandler_1.default)({
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queryString: `ALTER TABLE \`${dbFullName}\`.\`${tableName}\` DROP INDEX \`${Key_name}\``,
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});
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}
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}
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}
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/**
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* Handle DATASQUIREL Table Indexes
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* ===================================================
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* @description Iterate through each datasquirel schema
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* table index(if available), and perform operations
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*/
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if (tableIndexes && tableIndexes[0]) {
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for (let g = 0; g < tableIndexes.length; g++) {
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const { indexType, indexName, indexTableFields, alias } = tableIndexes[g];
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if (!(alias === null || alias === void 0 ? void 0 : alias.match(/./)))
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continue;
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/**
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* @description Check for existing Index in MYSQL db
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*/
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try {
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const existingKeyInDb = allExistingIndexes.filter((indexObject) => indexObject.Key_name === alias);
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if (!existingKeyInDb[0])
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throw new Error("This Index Does not Exist");
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}
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catch (error) {
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/**
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* @description Create new index if determined that it
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* doesn't exist in MYSQL db
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*/
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yield (0, varDatabaseDbHandler_1.default)({
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queryString: `CREATE${(indexType === null || indexType === void 0 ? void 0 : indexType.match(/fullText/i)) ? " FULLTEXT" : ""} INDEX \`${alias}\` ON \`${dbFullName}\`.\`${tableName}\`(${indexTableFields === null || indexTableFields === void 0 ? void 0 : indexTableFields.map((nm) => nm.value).map((nm) => `\`${nm}\``).join(",")}) COMMENT 'schema_index'`,
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});
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}
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}
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}
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/**
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* Handle MYSQL Foreign Keys
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* ===================================================
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* @description Iterate through each datasquirel schema
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* table index(if available), and perform operations
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*/
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/**
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* @description All MSQL Foreign Keys
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* @type {import("../../types").DSQL_MYSQL_FOREIGN_KEYS_Type[] | null}
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*/
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const allForeignKeys = yield (0, varDatabaseDbHandler_1.default)({
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queryString: `SELECT CONSTRAINT_NAME FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS WHERE CONSTRAINT_SCHEMA = '${dbFullName}' AND TABLE_NAME='${tableName}' AND CONSTRAINT_TYPE='FOREIGN KEY'`,
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});
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if (allForeignKeys) {
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for (let c = 0; c < allForeignKeys.length; c++) {
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const { CONSTRAINT_NAME } = allForeignKeys[c];
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/**
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* @description Skip if Key is the PRIMARY Key
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*/
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if (CONSTRAINT_NAME.match(/PRIMARY/))
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continue;
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/**
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* @description Drop all foreign Keys to avoid MYSQL errors when adding/updating
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* Foreign keys
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*/
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const dropForeignKey = yield (0, varDatabaseDbHandler_1.default)({
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queryString: `ALTER TABLE \`${dbFullName}\`.\`${tableName}\` DROP FOREIGN KEY \`${CONSTRAINT_NAME}\``,
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});
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}
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}
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/**
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* Handle DATASQUIREL schema fields for current table
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* ===================================================
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* @description Iterate through each field object and
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* perform operations
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*/
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for (let i = 0; i < upToDateTableFieldsArray.length; i++) {
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const column = upToDateTableFieldsArray[i];
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const prevColumn = upToDateTableFieldsArray[i - 1];
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const nextColumn = upToDateTableFieldsArray[i + 1];
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const { fieldName, dataType, nullValue, primaryKey, autoIncrement, defaultValue, defaultValueLiteral, foreignKey, updatedField, } = column;
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////////////////////////////////////////
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/**
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* @description Skip default fields
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*/
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if (fieldName === null || fieldName === void 0 ? void 0 : fieldName.match(/^id$|^date_/))
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continue;
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/**
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* @description Skip columns that have been updated recently
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*/
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// if (updatedColumnsArray.includes(fieldName)) continue;
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////////////////////////////////////////
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let updateText = "";
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////////////////////////////////////////
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/** @type {any} */
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let existingColumnIndex;
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/**
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* @description Existing MYSQL field object
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*/
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let existingColumn = allExistingColumns && allExistingColumns[0]
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? allExistingColumns.filter((_column, _index) => {
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if (_column.Field === fieldName) {
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existingColumnIndex = _index;
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return true;
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}
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})
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: null;
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/**
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* @description Construct SQL text snippet for this field
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*/
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let { fieldEntryText } = (0, generateColumnDescription_1.default)({
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columnData: column,
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});
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/**
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* @description Modify Column(Field) if it already exists
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* in MYSQL database
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*/
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if (existingColumn && ((_b = existingColumn[0]) === null || _b === void 0 ? void 0 : _b.Field)) {
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const { Field, Type, Null, Key, Default, Extra } = existingColumn[0];
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let isColumnReordered = i < existingColumnIndex;
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if (Field === fieldName &&
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!isColumnReordered &&
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(dataType === null || dataType === void 0 ? void 0 : dataType.toUpperCase()) === Type.toUpperCase()) {
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updateText += `MODIFY COLUMN ${fieldEntryText}`;
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// continue;
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}
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else {
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if (userId) {
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updateText += `MODIFY COLUMN ${fieldEntryText}${isColumnReordered
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? (prevColumn === null || prevColumn === void 0 ? void 0 : prevColumn.fieldName)
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? " AFTER `" + prevColumn.fieldName + "`"
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: (nextColumn === null || nextColumn === void 0 ? void 0 : nextColumn.fieldName)
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? " BEFORE `" + nextColumn.fieldName + "`"
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: ""
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: ""}`;
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}
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else {
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updateText += `MODIFY COLUMN ${fieldEntryText}`;
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}
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}
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}
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else if (prevColumn && prevColumn.fieldName) {
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/**
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* @description Add new Column AFTER previous column, if
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* previous column exists
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*/
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updateText += `ADD COLUMN ${fieldEntryText} AFTER \`${prevColumn.fieldName}\``;
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}
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else if (nextColumn && nextColumn.fieldName) {
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/**
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* @description Add new Column BEFORE next column, if
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* next column exists
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*/
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updateText += `ADD COLUMN ${fieldEntryText} BEFORE \`${nextColumn.fieldName}\``;
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}
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else {
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/**
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* @description Append new column to the end of existing columns
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*/
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updateText += `ADD COLUMN ${fieldEntryText}`;
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}
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////////////////////////////////////////
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/**
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* @description Pust SQL code snippet to updateTableQueryArray Array
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* Add a comma(,) to separate from the next snippet
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*/
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updateTableQueryArray.push(updateText + ",");
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/**
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* @description Handle foreing keys if available, and if there is no
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* "clone" boolean = true
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*/
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if (!clone && foreignKey) {
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const { destinationTableName, destinationTableColumnName, cascadeDelete, cascadeUpdate, foreignKeyName, } = foreignKey;
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const foreinKeyText = `ADD CONSTRAINT \`${foreignKeyName}\` FOREIGN KEY (\`${fieldName}\`) REFERENCES \`${destinationTableName}\`(\`${destinationTableColumnName}\`)${cascadeDelete ? " ON DELETE CASCADE" : ""}${cascadeUpdate ? " ON UPDATE CASCADE" : ""}`;
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// const foreinKeyText = `ADD CONSTRAINT \`${foreignKeyName}\` FOREIGN KEY (${fieldName}) REFERENCES ${destinationTableName}(${destinationTableColumnName})${cascadeDelete ? " ON DELETE CASCADE" : ""}${cascadeUpdate ? " ON UPDATE CASCADE" : ""}` + ",";
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const finalQueryString = `ALTER TABLE \`${dbFullName}\`.\`${tableName}\` ${foreinKeyText}`;
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const addForeignKey = yield (0, varDatabaseDbHandler_1.default)({
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queryString: finalQueryString,
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});
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if (!(addForeignKey === null || addForeignKey === void 0 ? void 0 : addForeignKey.serverStatus)) {
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errorLogs.push(addForeignKey);
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}
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}
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////////////////////////////////////////
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}
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/**
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* @description Construct final SQL query by combning all SQL snippets in
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* updateTableQueryArray Arry, and trimming the final comma(,)
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*/
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const updateTableQuery = updateTableQueryArray
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.join(" ")
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.replace(/,$/, "");
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////////////////////////////////////////
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/**
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* @description Check if SQL snippets array has more than 1 entries
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* This is because 1 entry means "ALTER TABLE table_name" only, without any
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* Alter directives like "ADD COLUMN" or "MODIFY COLUMN"
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*/
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if (updateTableQueryArray.length > 1) {
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const updateTable = yield (0, varDatabaseDbHandler_1.default)({
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queryString: updateTableQuery,
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});
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return updateTable;
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}
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else {
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/**
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* @description If only 1 SQL snippet is left in updateTableQueryArray, this
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* means that no updates have been made to the table
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*/
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return "No Changes Made to Table";
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}
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}
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catch ( /** @type {any} */error) {
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console.log('Error in "updateTable" shell function =>', error.message);
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return "Error in Updating Table";
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}
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});
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}
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