feat: api used to query ENA REST API for data #310

[Smeds]

This pull-request introduces API calls for accessing the ENA REST API. I placed them here because ENA requires cross-site validation, and I encountered errors when making the calls directly from the component. From what I understand, this issue arises because the component runs on the client side rather than the server. There may be alternative solutions, but this approach resolves the problem for now.

Spin up dev environment

npm run dev

Perform request against api

curl -d '{"filter":"tax_id=65658"}' -X POST http://127.0.0.1:3000/apis/interface/ena  | jq
curl -d '{"filter":"sample_accession=SAMN09946140"}' -X POST http://127.0.0.1:3000/apis/interface/ena  | jq
curl -d '{"filter":"accession=GCA_009859065.2"}' -X POST http://127.0.0.1:3000/apis/interface/ena  | jq

Once this is merged, I will submit a pull request with the component that constructs the query string and displays the data.

There's one change that I would like to do and that is to make the following part configurable:

const assembly_fields = [
  "accession",
  "sra_md5",
  "base_count",
  "study_accession",
  "sample_accession",
  "instrument_platform",
  "instrument_model",
  "library_layout",
  "fastq_ftp",
  "fastq_md5",
];
const ena_url = "https://www.ebi.ac.uk/ena/portal/api/search";
const items_limit = 1000;
const number_of_retries = 3;
const sleep_before_retry = 1000;

How would I implement this to make it fit into how brc-analytics is configured?

Example of return data

command: curl -d '{"filter":"tax_id=65658"}' -X POST http://127.0.0.1:3000/apis/interface/ena | jq

{
  "count": 1,
  "data": [
    {
      "accession": "SRR29779594",
      "sra_md5": "dc8ca138c152e2d440b59389d1915b98",
      "base_count": "42550146",
      "study_accession": "PRJNA1133725",
      "sample_accession": "SAMN42396386",
      "instrument_platform": "CAPILLARY",
      "instrument_model": "AB 3730xL Genetic Analyzer",
      "library_layout": "PAIRED",
      "fastq_ftp": "ftp.sra.ebi.ac.uk/vol1/fastq/SRR297/094/SRR29779594/SRR29779594.fastq.gz",
      "fastq_md5": "d5178e40b12df73c9ba35bd57862ea47"
    }
  ]
}