storing api key and recent source docs locally

frontend/src/preferences/preferenceApi.ts

@@ -0,0 +1,73 @@
+export type Doc = {
+  name: string;
+  language: string;
+  version: string;
+  description: string;
+  fullName: string;
+  dat: string;
+  docLink: string;
+  model: string;
+};
+
+//Fetches all JSON objects from the source. We only use the objects with the "model" property in SelectDocsModal.tsx. Hopefully can clean up the source file later.
+export async function getDocs(): Promise<Doc[] | null> {
+  try {
+    const response = await fetch(
+      'https://d3dg1063dc54p9.cloudfront.net/combined.json',
+    );
+    const data = await response.json();
+
+    const docs: Doc[] = [];
+
+    data.forEach((doc: object) => {
+      docs.push(doc as Doc);
+    });
+
+    return docs;
+  } catch (error) {
+    console.log(error);
+    return null;
+  }
+}
+
+export async function getLocalApiKey(): Promise<string | null> {
+  try {
+    const key = localStorage.getItem('DocsGPTApiKey');
+    if (key) {
+      return key;
+    }
+    return null;
+  } catch (error) {
+    console.log(error);
+    return null;
+  }
+}
+
+export async function getLocalRecentDocs(): Promise<Doc | null> {
+  try {
+    const doc = localStorage.getItem('DocsGPTRecentDocs');
+    if (doc) {
+      return JSON.parse(doc);
+    }
+    return null;
+  } catch (error) {
+    console.log(error);
+    return null;
+  }
+}
+
+export async function setLocalApiKey(key: string): Promise<void> {
+  try {
+    localStorage.setItem('DocsGPTApiKey', key);
+  } catch (error) {
+    console.log(error);
+  }
+}
+
+export async function setLocalRecentDocs(doc: Doc): Promise<void> {
+  try {
+    localStorage.setItem('DocsGPTRecentDocs', JSON.stringify(doc));
+  } catch (error) {
+    console.log(error);
+  }
+}