Re: [Specifications] Extend PartialCollectionView with template variables' values (#148)

Ok, above I said that only a single property is required, because the actual template variables can also be expressed as RDF. That is how the mapping works, which I only realised quite recently

Given a template as above

```JSON
{
  "@type": "IriTemplate",
  "template": "/markus/friends{?first}",
  "mapping": [{
    "variable": "first",
    "property": "schema:givenName"
  }]
}
```

To construct the URI `/markus/friends?first=Ruben` I would use a blank resource using the mapped property:

```JSON
{
  "schema:giveName": "Ruben"
}
```

Thus, all I need is really just a property to attach this to the constructed view (or collection, or somewhere, I'm no 100% sure TBH). Now that I think about this, might actually add a second property to point to the actual `IriTemplate` in case there were multiple.

Here' a complete representation, diffed from the initial snippet

```diff
{
  "@id": "/markus/friends",
  "@type": "Collection",
  "totalItems": 578,
  "member": [  ],
  "view": [
    {
      "@id": "/markus/friends?first=Ruben",
      "@type": "PartialCollectionView",
      "totalItems": 15,
+     "fromTemplate": "_:template",
+     "templateVariables": {
+       "schema:giveName": "Ruben"
+     }
    },
    {
+     "@id": "_:template",
      "@type": "ViewTemplate",
      "template": "/markus/friends{?first,last}",
      "mapping": [
        { "variable": "first", "property": "schema:givenName" },
        { "variable": "last", "property": "schema:familyName" }
      ]
    }
  ]
}
```

See what happened:

1. The view references the template used to construct the URI
2. The `templateVariables` is a simple RDF resource with properties which map to resource variables

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Received on Tuesday, 8 December 2020 09:53:28 UTC