@tsed/prisma/lib/esm/generator/utils/generatePrismaService.js

Generate Ts.ED JsonSchema based on Prisma models

import path from "node:path";
import { Scope } from "ts-morph";
import { resolveExtension } from "./resolveExtension.js";
export function generatePrismaService(project, baseDirPath) {
    const directory = project.createDirectory(path.resolve(baseDirPath, "services"));
    const prismaServiceFile = directory.createSourceFile("PrismaService.ts", "", { overwrite: true });
    prismaServiceFile.addImportDeclarations([
        {
            moduleSpecifier: "@tsed/di",
            namedImports: ["Inject", "Injectable", "Configuration", "OnInit", "OnDestroy"]
        },
        {
            moduleSpecifier: "@tsed/logger",
            namedImports: ["Logger"]
        },
        {
            moduleSpecifier: resolveExtension("../client/index"),
            namedImports: ["PrismaClient"]
        }
    ]);
    const prismaService = prismaServiceFile.addClass({
        name: "PrismaService",
        isExported: true,
        decorators: [
            {
                name: "Injectable",
                arguments: []
            }
        ],
        extends: "PrismaClient",
        implements: ["OnInit", "OnDestroy"]
    });
    prismaService.addProperty({
        name: "logger",
        scope: Scope.Protected,
        type: "Logger",
        decorators: [
            {
                name: "Inject",
                arguments: []
            }
        ]
    });
    prismaService
        .addConstructor({
        parameters: [
            {
                name: "settings",
                type: "Configuration",
                decorators: [
                    {
                        name: "Configuration",
                        arguments: []
                    }
                ]
            }
        ]
    })
        .setBodyText("super(settings.get('prisma'));");
    prismaService
        .addMethod({
        name: "$onInit",
        isAsync: true,
        returnType: "Promise<void>"
    })
        .setBodyText(`this.logger.info("Connection to prisma database");
      await this.$connect();`);
    prismaService
        .addMethod({
        name: "$onDestroy",
        isAsync: true,
        returnType: "Promise<void>"
    })
        .setBodyText(`this.logger.info("Disconnection from prisma database");
      await this.$disconnect();`);
    return prismaService;
}
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