Create RegulatoryKnowledgeGraph.js

blockchain_integration/pi_network/PiComply/src/regulatory-knowledge-graph/RegulatoryKnowledgeGraph.js

@@ -0,0 +1,91 @@
+import { GraphQLSchema } from "graphql";
+import { Neo4jDriver } from "neo4j-driver";
+import { RDFStore } from "rdf-store";
+import { Ontology } from "../ontology/Ontology";
+import { Reasoner } from "../reasoner/Reasoner";
+
+class RegulatoryKnowledgeGraph {
+  constructor(neo4jDriver, rdfStore, ontology, reasoner) {
+    this.neo4jDriver = neo4jDriver;
+    this.rdfStore = rdfStore;
+    this.ontology = ontology;
+    this.reasoner = reasoner;
+    this.graphQLSchema = new GraphQLSchema({
+      typeDefs: `
+        type ComplianceRule {
+          id: ID!
+          description: String!
+          regulatoryText: String!
+          applicableTo: [String!]!
+        }
+
+        type ComplianceResult {
+          id: ID!
+          ruleId: ID!
+          status: String!
+          data: String!
+        }
+
+        type Query {
+          complianceRules: [ComplianceRule!]!
+          complianceResults(ruleId: ID!): [ComplianceResult!]!
+        }
+      `,
+      resolvers: {
+        Query: {
+          complianceRules: async () => {
+            const results = await this.neo4jDriver.cypher("MATCH (n:ComplianceRule) RETURN n");
+            return results.records.map((record) => record.get("n").properties);
+          },
+          complianceResults: async (parent, { ruleId }) => {
+            const results = await this.neo4jDriver.cypher("MATCH (n:ComplianceResult { ruleId: $ruleId }) RETURN n", { ruleId });
+            return results.records.map((record) => record.get("n").properties);
+          },
+        },
+      },
+    });
+  }
+
+  async init() {
+    // Initialize Neo4j driver
+    await this.neo4jDriver.init();
+
+    // Initialize RDF store
+    await this.rdfStore.init();
+
+    // Initialize ontology
+    await this.ontology.init();
+
+    // Initialize reasoner
+    await this.reasoner.init();
+  }
+
+  async addComplianceRule(rule) {
+    // Add compliance rule to Neo4j graph
+    await this.neo4jDriver.cypher("CREATE (n:ComplianceRule { id: $id, description: $description, regulatoryText: $regulatoryText, applicableTo: $applicableTo })", rule);
+
+    // Add compliance rule to RDF store
+    await this.rdfStore.addTriple(rule.id, "http://example.com/ontology#description", rule.description);
+    await this.rdfStore.addTriple(rule.id, "http://example.com/ontology#regulatoryText", rule.regulatoryText);
+    await this.rdfStore.addTriple(rule.id, "http://example.com/ontology#applicableTo", rule.applicableTo);
+
+    // Reason over the graph to infer new relationships
+    await this.reasoner.reason();
+  }
+
+  async addComplianceResult(result) {
+    // Add compliance result to Neo4j graph
+    await this.neo4jDriver.cypher("CREATE (n:ComplianceResult { id: $id, ruleId: $ruleId, status: $status, data: $data })", result);
+
+    // Add compliance result to RDF store
+    await this.rdfStore.addTriple(result.id, "http://example.com/ontology#ruleId", result.ruleId);
+    await this.rdfStore.addTriple(result.id, "http://example.com/ontology#status", result.status);
+    await this.rdfStore.addTriple(result.id, "http://example.com/ontology#data", result.data);
+  }
+
+  async queryGraphQL(query) {
+    return this.graphQLSchema.execute(query);
+  }
+}
+
+export { RegulatoryKnowledgeGraph };