Definerte queries for Techniques

backend/pnpm-workspace.yaml

@@ -1,3 +1,3 @@
 allowBuilds:
-  "@apollo/protobufjs": set this to true or false
+  "@apollo/protobufjs": true
   esbuild: true

backend/src/graphql/resolvers/index.ts

@@ -13,11 +13,13 @@
  */
 
 import { threatActorResolvers } from "./threatActorResolver.js";
+import { techniqueResolvers } from "./techniqueResolver.js";
 
 
 
 export const resolvers = {
     Query: {
         ...threatActorResolvers.Query,
+        ...techniqueResolvers.Query,
     },
 };

backend/src/graphql/resolvers/techniqueResolver.ts

@@ -9,4 +9,28 @@
  * 
  *
  * GraphQL -> Resolver -> Repository -> Drizzle -> MySQL
- */
+ */
+import {
+    getAllTechniques,
+    getTechniqueByMitreId,
+} from "../../repositories/techniqueRepository.js";
+
+export const techniqueResolvers = {
+    Query: {
+        /**
+         * Henter alle Techniques.
+         */
+        allTechniques: async () => {
+            return getAllTechniques();
+        },
+
+        /**
+         * Henter én Technique basert på MITRE-ID
+         */
+       techniqueByMitreId: async (_parent: unknown,args: { mitreId: string },) => {
+            return getTechniqueByMitreId(
+                args.mitreId,
+            );
+        },
+    },
+};

backend/src/graphql/typeDefs.ts

@@ -25,4 +25,19 @@ export const typeDefs = `#graphql
     # Henter én threat actor basert på MITRE-ID
     threatActorByMitreId(mitreId: String!): ThreatActor
   }
+
+  type Technique {
+    mitreId: String!
+    name: String!
+    description: String!
+  }
+
+  type Query {
+    # Henter alle Techniques
+    allTechniques: [Technique!]!
+
+    # Henter én Technique basert på MITRE-ID
+    techniqueByMitreId(mitreId: String!): Technique
+  }
+  
 `;

backend/src/repositories/techniqueRepository.ts

@@ -15,3 +15,47 @@
  * !!!ALTSÅ HER SKRIVER VI KODEN SOM FAKTISK HENTER UT DATA FRA DB VIA DRIZZLE!!!!
  */
 
+import { eq } from "drizzle-orm";
+
+import { db } from "../db/connection.js";
+import { technique } from "../db/schema.js";
+
+/**
+ * Henter alle Techniques fra databasen.
+ */
+export async function getAllTechniques() {
+    return db
+        .select({
+            mitreId: technique.mitre_id,
+            name: technique.name,
+            description: technique.description,
+        })
+        .from(technique);
+}
+
+/**
+ * Henter én Technique basert på MITRE-ID.
+ *
+ * Eksempel:
+ * T1566 -> Phishing
+ */
+export async function getTechniqueByMitreId(
+    mitreId: string,
+) {
+    const [result] = await db
+        .select({
+            mitreId: technique.mitre_id,
+            name: technique.name,
+            description: technique.description,
+        })
+        .from(technique)
+        .where(
+            eq(
+                technique.mitre_id,
+                mitreId,
+            ),
+        )
+        .limit(1);
+
+    return result ?? null;
+}