typescript-mysql-model/lib/update-builder.js

{ "version": "1.2.46", "name": "typescript-mysql-model", "description": "", "main": "index.js", "types": "index.d.ts", "scripts": { "test": "echo \"Error: no test specified\" && exit 1" }, "repository": { "type": "git", "url":

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const change_case = require("change-case");
const handlebars = require("handlebars");
const TEMPLATE = `/**
 * Autogenerated, do not modify
 */
/* tslint:disable */
import Knex = require("knex");
import { IDatabaseSchema } from "typescript-mysql-model/lib/mysql-database-definition";
import { SchemaOperator } from "typescript-mysql-model";
{{#each imports}}{{{this}}}
{{/each}}

export default class Updater extends SchemaOperator {

  public constructor(private knex: Knex, definition: IDatabaseSchema) {
    super();
    this.definition = definition;
  }

  protected async runQuery(q: Knex.QueryBuilder) {
    await q;
  }

  protected async update<T extends { [key: string]: any }>(tableName: string,
    data: T, fn?: (knex: Knex.QueryBuilder) => Knex.QueryBuilder): Promise<T> {
    const criterions: { [key: string]: any } = this.retainPrimaryKeys(tableName, data);
    data = this.removePrimaryKeys(tableName, data);
    if (Object.keys(data).length > 0) {
      let query = this.knex(tableName).where(criterions).update(data);
      if (fn) {
        query = fn(query);
      }
      await this.runQuery(query);
    }
    return data;
  }
{{#each updaters}}{{{this}}}{{/each}}
}`;
const UPDATE_TEMPLATE = `
    public update{{fnName}}(item: {{prefixedClassName}}, fn?: (knex: Knex.QueryBuilder) => Knex.QueryBuilder): Promise<{{prefixedClassName}}> {
      return this.update("{{tableName}}", item, fn);
    }
`;
class UpdateBuilder {
    constructor() {
        this.compiledTemplate = handlebars.compile(TEMPLATE);
        this.compiledUpdateTemplate = handlebars.compile(UPDATE_TEMPLATE);
    }
    renderUpdater(tables, relativePath = "./") {
        tables = JSON.parse(JSON.stringify(tables));
        tables.forEach(t => {
            t.fnName = change_case.upperCaseFirst(t.fnName);
            t.fnPlural = change_case.upperCaseFirst(t.fnPlural);
        });
        const input = {
            updaters: tables.map(t => this.compiledUpdateTemplate(t)),
            imports: tables.map(t => this.renderImportRow(t, relativePath))
        };
        return this.compiledTemplate(input);
    }
    renderImportRow(table, relativePath) {
        table = JSON.parse(JSON.stringify(table));
        table.filename = table.filename.replace(".ts", "");
        return `import {${table.prefixedClassName}} from "${relativePath}${table.filename}"`;
    }
}
exports.UpdateBuilder = UpdateBuilder;
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