Add graph filter params

Sage-Bionetworks / prov-service

lightweight implementation of the Synapse Activity services, based on the PROV spec

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Add graph filter params #46

Closed jaeddy closed 5 years ago

jaeddy commented 5 years ago

This PR adds the q parameter to all /graph endpoints so that clients can request a specific subgraph based on node attributes. The parameter nominally supports Lucene Query Syntax for search/filter operations, but the current implementation only works with single key-value pairs.