Added graphql deps and models

services/graphql.service.ts

@@ -0,0 +1,41 @@
+import { Service, ServiceBroker } from "moleculer";
+import { graphql, GraphQLSchema } from "graphql";
+import { makeExecutableSchema } from "@graphql-tools/schema";
+import { typeDefs } from "../models/graphql/typedef";
+import { resolvers } from "../models/graphql/resolvers";
+
+export default class GraphQLService extends Service {
+	private graphqlSchema!: GraphQLSchema;
+
+	public constructor(broker: ServiceBroker) {
+		super(broker);
+		this.parseServiceSchema({
+			name: "acquisition-graphql",
+
+			actions: {
+				query: {
+					params: {
+						query: "string",
+						variables: { type: "object", optional: true },
+						operationName: { type: "string", optional: true },
+					},
+					async handler(ctx: any) {
+						const { query, variables, operationName } = ctx.params;
+						return graphql({
+							schema: this.graphqlSchema,
+							source: query,
+							variableValues: variables,
+							operationName,
+							contextValue: { broker: this.broker, ctx },
+						});
+					},
+				},
+			},
+
+			started() {
+				this.graphqlSchema = makeExecutableSchema({ typeDefs, resolvers });
+				this.logger.info("Acquisition GraphQL service started");
+			},
+		});
+	}
+}