Add convertUserProfileToTurtle

Author: benjaminaaron

dev/dev.js

@@ -4,6 +4,7 @@ import { fileURLToPath } from "url"
 import fs, { promises as fsPromise } from "fs"
 import { validateAll, validateOne, validateUserProfile } from "../src/index.js"
 import {
+    convertUserProfileToTurtle,
     extractDatafieldsMetadata,
     extractRequirementProfilesMetadata,
     runSparqlConstructQueryOnRdfString,
@@ -114,10 +115,23 @@ async function devExtractMedatada() {
     console.log("Datafields metadata:", await extractDatafieldsMetadata(await fsPromise.readFile(DATAFIELDS, "utf8")))
 }
 
+async function devConvertUserProfileToTurtle() {
+    let userProfileJsonArrayStr = JSON.stringify({
+        triples: [{
+            subject: "https://foerderfunke.org/default#mainPerson",
+            predicate: "https://foerderfunke.org/default#hasResidence",
+            object: "Berlin"
+        }]
+    })
+    let turtleStr = await convertUserProfileToTurtle(JSON.parse(userProfileJsonArrayStr))
+    console.log(turtleStr)
+}
+
 // devRunSparqlSelectQueryOnRdfString()
 // devRunSparqlConstructQueryOnRdfString()
-devValidateAll()
+// devValidateAll()
 // devValidateOne()
 // devValidateOneStrings()
 // devValidateUserProfile()
 // devExtractMedatada()
+devConvertUserProfileToTurtle()

global.js

@@ -9,7 +9,8 @@ import {
     rdfStringsToStore,
     runSparqlSelectQueryOnStore,
     extractRequirementProfilesMetadata,
-    extractDatafieldsMetadata
+    extractDatafieldsMetadata,
+    convertUserProfileToTurtle
 } from "./src/utils.js";
 
 window.MatchingEngine = {
@@ -20,5 +21,6 @@ window.MatchingEngine = {
     rdfStringsToStore,
     runSparqlSelectQueryOnStore,
     extractRequirementProfilesMetadata,
-    extractDatafieldsMetadata
+    extractDatafieldsMetadata,
+    convertUserProfileToTurtle
 }

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@foerderfunke/matching-engine",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "Checks eligibilities by validating a user profile against requirement profiles",
   "author": "@foerderfunke",
   "license": "MIT",

src/utils.js

@@ -1,4 +1,5 @@
-import { Store, Parser as N3Parser, Writer as N3Writer } from "n3"
+import { Store, Parser as N3Parser, Writer as N3Writer, DataFactory } from "n3"
+const { namedNode, literal } = DataFactory
 import SparqlParser from "sparqljs"
 import Validator from "shacl-engine/Validator.js"
 import rdf from "rdf-ext"
@@ -170,3 +171,27 @@ export async function extractDatafieldsMetadata(datafieldsStr) {
     }
     return metadata
 }
+
+export async function convertUserProfileToTurtle(userProfileJsonArray) {
+    const writer = new N3Writer({ prefixes: {
+            ff: "https://foerderfunke.org/default#"
+        }})
+    writer.addQuad(
+        namedNode("https://foerderfunke.org/default#mainPerson"),
+        namedNode("http://www.w3.org/1999/02/22-rdf-syntax-ns#type"),
+        namedNode("https://foerderfunke.org/default#Citizen")
+    )
+    for (let triple of userProfileJsonArray.triples) {
+        writer.addQuad(
+            namedNode(triple.subject),
+            namedNode(triple.predicate),
+            triple.object.startsWith("http") ? namedNode(triple.object) : literal(triple.object)
+        )
+    }
+    return new Promise((resolve, reject) => {
+        writer.end((error, result) => {
+            if (error) reject(error)
+            else resolve(result)
+        })
+    })
+}