Custom resolver for flattening and extending sample data in graphql-server

[ao508]

Notes from meeting

• the custom resolver should also add cancer type and cancer type detailed to sample model
• apollo client and dashboard can then access these additional pieces of data as if they are part of the regular sample model (i.e., use built in filtering, etc. on CT/CTdetailed)

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Notes on implementation

We'll go with 1 for now and be ok with the 20s+ wait time until we implement samples caching.

Solution option	Effort level	Initial loading time	Challenges
1. Use GraphQL's built-in solution (OGM)	Very low	20s+	Long loading time. In the resolver we're using the OGM to query all samples then manually sort them with Javascript
2. Side step GraphQL via a direct Neo4j query	High	5s	We'll lose out on all GraphQL benefits and have to maintain a robust Neo4j query builder. This will add extra complexity for future dev related to Samples views
3. Hybrid: use #2 only for the initial page load, #1 for searching	Medium

Another idea: use OGM to query and sort data for records from the latest 6 months or some other time range.

Further improve rendering time by eliminating excessive renders related to the RecordsList component.

[ao508]

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