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A simple REST API to expose Solr view and download statistics for items in a DSpace repository.
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README.md

DSpace Statistics API

A simple REST API to expose Solr view and download statistics for items in a DSpace repository. This project contains a standalone indexing component and a WSGI application.

Requirements

Installation and Testing

Create a Python virtual environment and install the dependencies:

$ python -m venv venv
$ . venv/bin/activate
$ pip install -r requirements.txt

Set up the environment variables for Solr and PostgreSQL:

$ export SOLR_SERVER=http://localhost:8080/solr
$ export DATABASE_NAME=dspacestatistics
$ export DATABASE_USER=dspacestatistics
$ export DATABASE_PASS=dspacestatistics
$ export DATABASE_HOST=localhost
$ gunicorn app:api

Deployment

There are example systemd service and timer units in the contrib directory.

Using the API

The API exposes the following endpoints:

  • GET /items — return views and downloads for all items that Solr knows about¹. Accepts limit and page query parameters for pagination of results.
  • GET /item/id — return views and downloads for a single item (id must be a positive integer). Returns HTTP 404 if an item id is not found.

¹ We are querying the Solr statistics core, which technically only knows about items that have either views or downloads.

Todo

  • Add API documentation
  • Close up DB connection when gunicorn shuts down gracefully
  • Better logging
  • Tests
  • Check if database exists (try/except)
  • Version API
  • Use JSON in PostgreSQL

License

This work is licensed under the GPLv3.