sesterce-cli/src/modules/ai-inference/use-cases/list-inference-regions/list-inference-regions.ts

A powerful command-line interface tool for managing Sesterce Cloud services. Sesterce CLI provides easy access to GPU cloud instances, AI inference services, container registries, and SSH key management directly from your terminal.

import { UseCase } from "@/core/domain/use-case";
import { Either, left, right } from "@/core/logic/either";
import { ApiClientProvider } from "@/providers/api-client-provider";
import { InferenceRegion } from "../../domain/inference-region";
import { ListInferenceRegionsError } from "./errors/list-inference-regions-error";

export class ListInferenceRegions
  implements UseCase<void, InferenceRegion[], ListInferenceRegionsError>
{
  constructor(private readonly apiClient: ApiClientProvider) {}

  async execute(): Promise<
    Either<ListInferenceRegionsError, InferenceRegion[]>
  > {
    try {
      const regions = await this.apiClient.get<InferenceRegion[]>(
        "/ai-inference/regions"
      );

      if (!regions) {
        return left(
          new ListInferenceRegionsError("Failed to list inference regions")
        );
      }

      return right(regions);
    } catch (error) {
      return left(
        new ListInferenceRegionsError(
          error instanceof Error ? error.message : "Unexpected error occurred."
        )
      );
    }
  }
}