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jeff-zucker / solid-file-client

A Javascript library for creating and managing files and folders in Solid data stores
MIT License
55 stars 18 forks source link

extend rdf-query to parse, add, remove, write #171

Open bourgeoa opened 4 years ago

bourgeoa commented 4 years ago

@jeff-zucker rdf-query uses solid-namespace to query ttl files using N3. This is very convenient : example query(url, null, { acl: 'agent' })

To test PATCH has a valid text/n3 content, the query has been updated to also use text/n3.

As a enhancement I propose to add the following functions, that will allow to have a subset of N3 functions directly accessible to manipulate N3 store in browser :

With the actual query (url, s, p, o, g) and queryTurtle (url, turtle, s, p, o, g) we have a subset of N3 using solid namespace

jeff-zucker commented 4 years ago

Is the purpose of this proposal to make things easier within solid-file-client or with intention of rdf-query being a stand-alone package for other uses?

bourgeoa commented 4 years ago

I don't think it will really make things easier within solid-file-client. Maybe more rdf like for acl.

My idea was somewhat different.

I feel we are missing easy ways to retrieve/write turtle fragments from webId card (/profile/card) and extended properties (privateTypeIndex.tll and publicTypeIndex.ttl) or to add friends or create groupAgents with the purpose to manage apps access to a pod's data. (simple follow your nose retrieve/write functions). The code cost should be low (?) but it changes the initial purpose of solid-file-client making it a more general solid-client with an orientation to make things easier.

Solid-file-client has all the elements to do it : rest-API, file management, acl management, easier N3 through rdf-query. PATCH and rdf-query may do the job. It can be investigated. A limitation is that PATCH is server side and the rdf-Query is client side.

May be it will be better to have a separate package for rdf content management including acl management, so it can be used by itself with fetch or with a different file manager. The only thing I do not really like is that N3 is used 2 times and that solid-file-client needs minimal turtle manipulation for container contents and acl (all copy/move and related like zip/unzip).

jeff-zucker commented 4 years ago

I have been thinking of implementing client-side patch in solid-rest. It would be non-atomic - read the file into the store, apply the patches to the store, save the store back to disk.

On Wed, Sep 30, 2020 at 10:37 AM Alain Bourgeois notifications@github.com wrote:

I don't think it will really make things easier within solid-file-client. Maybe more rdf like for acl.

My idea was somewhat different.

I feel we are missing easy ways to retrieve/write turtle fragments from webId card (/profile/card) and extended properties (privateTypeIndex.tll and publicTypeIndex.ttl) or to add friends or create groupAgents with the purpose to manage apps access to a pod's data. (simple follow your nose retrieve/write functions). The code cost should be low (?) but it changes the initial purpose of solid-file-client making it a more general solid-client with an orientation to make things easier.

Solid-file-client has all the elements to do it : rest-API, file management, acl management, easier N3 through rdf-query. PATCH and rdf-query may do the job. It can be investigated. A limitation is that PATCH is server side and the rdf-Query is client side.

May be it will be better to have a separate package for rdf content management including acl management, so it can be used by itself with fetch or with a different file manager. The only thing I do not really like is that N3 is used 2 times and that solid-file-client needs minimal turtle manipulation for container contents and acl (all copy/move and related like zip/unzip).

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bourgeoa commented 4 years ago

I feel it is a good idea. It can reuse an extended rdf-query with some code to convert application/update-sparql to turtle or text/n3.