Express application

Author: kaustubhkagrawal

.gitignore

@@ -38,4 +38,9 @@ testem.log
 .DS_Store
 Thumbs.db
 
-.nx/cache
+.nx/cache
+
+# Env Files
+.env.*
+*.env
+!example.env

example.env

@@ -0,0 +1,6 @@
+WEATHER_API_KEY=
+OPENAI_API_KEY=
+
+
+VAPI_BASE_URL=https://api.vapi.ai
+VAPI_API_KEY=

package.json

@@ -9,7 +9,8 @@
   },
   "private": true,
   "dependencies": {
-    "axios": "^1.6.0",
+    "axios": "^1.6.7",
+    "cors": "^2.8.5",
     "express": "~4.18.1",
     "llamaindex": "^0.1.9",
     "openai": "^4.26.1",

pnpm-lock.yaml

@@ -0,0 +1,14 @@
+export const envConfig = {
+  weather: {
+    baseUrl:
+      process.env.WEATHER_BASE_URL ?? `https://api.openweathermap.org/data/2.5`,
+    apiKey: process.env.WEATHER_API_KEY ?? ``,
+  },
+  openai: {
+    apiKey: process.env.OPENAI_API_KEY ?? ``,
+  },
+  vapi: {
+    baseUrl: process.env.VAPI_BASE_URL ?? "https://api.vapi.ai",
+    apiKey: process.env.VAPI_API_KEY ?? "",
+  },
+};

src/config/env.config.ts

@@ -0,0 +1,22 @@
+import axios from 'axios';
+
+interface KeywordParams {
+  keyword: string;
+  topic?: string;
+}
+
+export const findKeywords = (opts: KeywordParams) => {
+  return axios
+    .get(`https://api.datamuse.com/words`, {
+      params: {
+        ml: opts.keyword,
+        topics: opts.topic,
+      },
+    })
+    .then(
+      (response) =>
+        response.data
+          .map((item) => item.word)
+          .slice(0, Math.min(response.data.length, 10)) ?? []
+    );
+};

src/data/Activities.md

@@ -0,0 +1,34 @@
+import { SimpleDirectoryReader, VectorStoreIndex } from 'llamaindex';
+import path from 'path';
+
+interface GetCharacterInspirationParams {
+  inspiration: string;
+}
+
+export const getCharacterInspiration = async ({
+  inspiration,
+}: GetCharacterInspirationParams) => {
+  const fallbackResponse = {
+    result:
+      'Sorry, I am dealing with a technical issue at the moment, perhaps because of heightened user traffic. Come back later and we can try this again. Apologies for that.',
+  };
+  if (inspiration) {
+    try {
+      const documents = await new SimpleDirectoryReader().loadData({
+        directoryPath: path.join(__dirname, '../data'),
+      });
+
+      const index = await VectorStoreIndex.fromDocuments(documents);
+
+      const queryEngine = index.asQueryEngine();
+      const response = await queryEngine.query({ query: inspiration });
+
+      return { result: response.response, forwardToClientEnabled: true };
+    } catch (error) {
+      console.log('error', error);
+      return fallbackResponse;
+    }
+  } else {
+    return fallbackResponse;
+  }
+};

src/data/Characters.md

@@ -0,0 +1,45 @@
+import axios from 'axios';
+
+const nats = [
+  'AU',
+  'CA',
+  'FR',
+  'IN',
+  'IR',
+  'MX',
+  'NL',
+  'NO',
+  'NZ',
+  'RS',
+  'TR',
+  'US',
+];
+
+interface NameParams {
+  gender?: 'male' | 'female';
+  nat?: (typeof nats)[number];
+}
+
+export const getRandomName = async (params: NameParams) => {
+  const nat =
+    params.nat && !nats.includes(params.nat.toUpperCase())
+      ? nats[Math.floor(Math.random() * nats.length)]
+      : params.nat ?? '';
+
+  try {
+    const results = await axios.get(`https://randomuser.me/api/`, {
+      params: {
+        ...params,
+        nat,
+      },
+    });
+
+    const name = results.data.results[0].name;
+    console.log('results', params, name);
+    return {
+      result: name.first + ' ' + name.last,
+    };
+  } catch (err) {
+    throw new Error('Error fetching random name');
+  }
+};