Adjust how schemes are handled if given as array on registry (#43)

- this._api.schemes will not contain an array of schemes anymore.
- ConceptApi: getSchemes will always perform request, then filter by the list of schemes in this._jskos.schemes if necessary.

src/lib/CocodaSDK.js

@@ -400,8 +400,8 @@ export default class CocodaSDK {
         // Registry in cache is used
         const registry = registryCache[url]
         // Check if scheme is part of registry already; if not, add it
-        if (Array.isArray(registry._api.schemes) && !jskos.isContainedIn(scheme, registry._api.schemes)) {
-          registry._api.schemes.push(scheme)
+        if (Array.isArray(registry._jskos.schemes) && !jskos.isContainedIn(scheme, registry._jskos.schemes)) {
+          registry._jskos.schemes.push(scheme)
         }
         return registry
       } else {

src/providers/base-provider.js

@@ -109,7 +109,8 @@ export default class BaseProvider {
     // Set API URLs from registry object
     this._api = {
       status: registry.status,
-      schemes: registry.schemes,
+      // If `schemes` on registry is an array, remove it because we're only keeping it in this._jskos.schemes
+      schemes: Array.isArray(registry.schemes) ? undefined : registry.schemes,
       top: registry.top,
       data: registry.data,
       concepts: registry.concepts,

src/providers/concept-api-provider.js

@@ -125,8 +125,9 @@ export default class ConceptApiProvider extends BaseProvider {
       return null
     }
     // Otherwise load scheme data and save in approved/rejected schemes
-    // TODO: What does the `uri` parameter here actually do?
-    const schemes = await this.getSchemes({ uri: jskos.getAllUris(scheme) })
+    const schemes = await this.getSchemes({ params: {
+      uri: jskos.getAllUris(scheme).join("|"),
+    } })
     const resultScheme = schemes.find(s => jskos.compare(s, scheme))
     if (resultScheme) {
       this._approvedSchemes.push({
@@ -153,9 +154,6 @@ export default class ConceptApiProvider extends BaseProvider {
     if (!this._api.schemes) {
       throw new errors.MissingApiUrlError()
     }
-    if (Array.isArray(this._api.schemes)) {
-      return this._api.schemes
-    }
     const schemes = await this.axios({
       ...config,
       method: "get",
@@ -168,8 +166,8 @@ export default class ConceptApiProvider extends BaseProvider {
       },
     })
     // If schemes were given in registry object, only request those schemes from API
-    if (Array.isArray(this._jskos.schemes)) {
-      return utils.withCustomProps(schemes.filter(s => jskos.isContainedIn(s, this._jskos.schemes)), schemes)
+    if (Array.isArray(this.schemes)) {
+      return utils.withCustomProps(schemes.filter(s => jskos.isContainedIn(s, this.schemes)), schemes)
     } else {
       return schemes
     }