agentic-dev/packages/blog/src/di/bind-production.ts

import {
  withSpan,
  withCapture,
  INSTRUMENTATION_SYMBOLS,
  type ITracer,
  type ILogger,
} from "@repo/core-shared/instrumentation";
import type { BindProductionContext } from "@repo/core-shared/di";
import { blogContainer } from "./container";
import { BLOG_SYMBOLS } from "./symbols";
import { ArticlesRepository } from "../infrastructure/repositories/articles.repository";
import { getArticlesUseCase } from "../application/use-cases/get-articles.use-case";
import { getArticleBySlugUseCase } from "../application/use-cases/get-article-by-slug.use-case";
import { createArticleUseCase } from "../application/use-cases/create-article.use-case";
import { getArticlesController } from "../interface-adapters/controllers/get-articles.controller";
import { getArticleBySlugController } from "../interface-adapters/controllers/get-article-by-slug.controller";
import { createArticleController } from "../interface-adapters/controllers/create-article.controller";

export function bindProductionBlog(ctx: BindProductionContext): void {
  const { config, tracer, logger, bus, queue, realtime, realtimeRegistry } = ctx;

  // Bind shared instrumentation into feature container
  if (blogContainer.isBound(INSTRUMENTATION_SYMBOLS.TRACER)) {
    blogContainer.unbind(INSTRUMENTATION_SYMBOLS.TRACER);
  }
  if (blogContainer.isBound(INSTRUMENTATION_SYMBOLS.LOGGER)) {
    blogContainer.unbind(INSTRUMENTATION_SYMBOLS.LOGGER);
  }
  blogContainer.bind<ITracer>(INSTRUMENTATION_SYMBOLS.TRACER).toConstantValue(tracer);
  blogContainer.bind<ILogger>(INSTRUMENTATION_SYMBOLS.LOGGER).toConstantValue(logger);

  // Real repository
  if (blogContainer.isBound(BLOG_SYMBOLS.IArticlesRepository)) {
    blogContainer.unbind(BLOG_SYMBOLS.IArticlesRepository);
  }
  const repo = new ArticlesRepository(config, tracer, logger);
  blogContainer.bind(BLOG_SYMBOLS.IArticlesRepository).toConstantValue(repo);

  // Use cases — wrapped with span + capture at bind time (R41, R44)
  const wrappedGetArticles = withSpan(
    tracer,
    { name: "blog.getArticles", op: "use-case" },
    withCapture(
      logger,
      { feature: "blog", layer: "use-case", name: "blog.getArticles" },
      getArticlesUseCase(repo),
    ),
  );
  const wrappedGetArticleBySlug = withSpan(
    tracer,
    { name: "blog.getArticleBySlug", op: "use-case" },
    withCapture(
      logger,
      { feature: "blog", layer: "use-case", name: "blog.getArticleBySlug" },
      getArticleBySlugUseCase(repo),
    ),
  );
  const wrappedCreateArticle = withSpan(
    tracer,
    { name: "blog.createArticle", op: "use-case" },
    withCapture(
      logger,
      { feature: "blog", layer: "use-case", name: "blog.createArticle" },
      createArticleUseCase(repo),
    ),
  );

  if (blogContainer.isBound(BLOG_SYMBOLS.IGetArticlesUseCase)) {
    blogContainer.unbind(BLOG_SYMBOLS.IGetArticlesUseCase);
  }
  if (blogContainer.isBound(BLOG_SYMBOLS.IGetArticleBySlugUseCase)) {
    blogContainer.unbind(BLOG_SYMBOLS.IGetArticleBySlugUseCase);
  }
  if (blogContainer.isBound(BLOG_SYMBOLS.ICreateArticleUseCase)) {
    blogContainer.unbind(BLOG_SYMBOLS.ICreateArticleUseCase);
  }
  blogContainer.bind(BLOG_SYMBOLS.IGetArticlesUseCase).toConstantValue(wrappedGetArticles);
  blogContainer
    .bind(BLOG_SYMBOLS.IGetArticleBySlugUseCase)
    .toConstantValue(wrappedGetArticleBySlug);
  blogContainer.bind(BLOG_SYMBOLS.ICreateArticleUseCase).toConstantValue(wrappedCreateArticle);

  // Controllers — wrapped with span at bind time
  if (blogContainer.isBound(BLOG_SYMBOLS.IGetArticlesController)) {
    blogContainer.unbind(BLOG_SYMBOLS.IGetArticlesController);
  }
  if (blogContainer.isBound(BLOG_SYMBOLS.IGetArticleBySlugController)) {
    blogContainer.unbind(BLOG_SYMBOLS.IGetArticleBySlugController);
  }
  if (blogContainer.isBound(BLOG_SYMBOLS.ICreateArticleController)) {
    blogContainer.unbind(BLOG_SYMBOLS.ICreateArticleController);
  }
  blogContainer
    .bind(BLOG_SYMBOLS.IGetArticlesController)
    .toConstantValue(
      withSpan(
        tracer,
        { name: "blog.getArticles", op: "controller" },
        withCapture(
          logger,
          { feature: "blog", layer: "controller", name: "blog.getArticles" },
          getArticlesController(wrappedGetArticles),
        ),
      ),
    );
  blogContainer
    .bind(BLOG_SYMBOLS.IGetArticleBySlugController)
    .toConstantValue(
      withSpan(
        tracer,
        { name: "blog.getArticleBySlug", op: "controller" },
        withCapture(
          logger,
          { feature: "blog", layer: "controller", name: "blog.getArticleBySlug" },
          getArticleBySlugController(wrappedGetArticleBySlug),
        ),
      ),
    );
  blogContainer
    .bind(BLOG_SYMBOLS.ICreateArticleController)
    .toConstantValue(
      withSpan(
        tracer,
        { name: "blog.createArticle", op: "controller" },
        withCapture(
          logger,
          { feature: "blog", layer: "controller", name: "blog.createArticle" },
          createArticleController(wrappedCreateArticle),
        ),
      ),
    );
  // bus + queue are accept-and-forward in Phase 6; consumed by Phase 7 generator
  // output at the <gen:event-handlers> / <gen:jobs> anchors below.
  void bus;
  void queue;
  void realtime;
  void realtimeRegistry;
  // <gen:event-handlers>
  // <gen:jobs>
  // <gen:realtime-handlers>
}