New data structures for handling configuration load

collector/scraper/config.json

@@ -2,8 +2,8 @@
 	"stores": [
 		{
 			"name": "kroger",
-			"base_url": "https://shockrah.xyz",
-			"roducts": []
+			"base_url": "https://api-ce.kroger.com/v1/",
+			"products": []
 		}
 	]
 }

collector/scraper/src/data/config.ts

@@ -1,4 +1,4 @@
-import fsPromises from 'fs/promises';
+import fsPromises from 'fs/promises'
 
 interface Product {
 	name: string,
@@ -14,25 +14,59 @@ export interface Store {
 
 
 /*
+ * NOTE: ConentConfig defines what content we actually want; it has
+ * almost nothing to do with key definitions and is meant to be fully public.
+ *
  * Here we control what stores and what products we are going to query
  * from the configuration since the collector is basically just a oneshot
  * tool
  */
-export interface Config {
+export interface ContentConfig {
 	stores: Array<Store>
 }
 
+/*
+ * Sets up the API keys that we pull in from the environment
+ * WARN: this should never mix wth the Config type to keep things
+ * from leaking out into a plaintext file. Config's are considered to be
+ * expendable and public facing and as such can be committed ( for my
+ * purposes )
+*/
+export interface Keys {
+	kroger_id: string|undefined
+	kroger_secret: string|undefined
+}
+
+/*
+ * Environment variable names to look out for for key values
+ */
+export const EnvVars = {
+	kroger_id: 'KROGER_CLIENT_ID',
+	kroger_secret: 'KROGER_SECRET'
+}
+
+/**
+ * Loads the values from the env const 
+*
+*/
+export function LoadKeys() : Keys {
+	return {
+		kroger_id: process.env.KROGER_CLIENT_ID,
+		kroger_secret: process.env.KROGER_SECRET,
+	}
+}
+
 /*
  * Handling the validation of our configuration
  *
  */
-function valid(data: any) : data is Config {
+function valid(data: any) : data is ContentConfig {
 	if('stores' in data) {
 		if(!(data['stores'] instanceof Array)) {
 			console.error('stores is not an array!')
 			return false
 		}
-		for(const store in data['stores']) {
+		for(const store of data['stores']) {
 			// TODO: i don't like this check but it's fine for now :thinking:
 			const keys = Object.keys(store);
 			return keys.includes('name') && keys.includes('base_url') && keys.includes('products')
@@ -46,13 +80,14 @@ function valid(data: any) : data is Config {
  * Handling the loading and generation of the Configuration that we'll use
  * during the run of data fetching.
  */
-export async function LoadConfig(path: string) : Promise<Config|null> {
+export async function LoadConfig(path: string) : Promise<ContentConfig|null> {
 	try {
 		const file = await fsPromises.readFile(path);
-		const config: Config = JSON.parse(file.toString())
+		const config: ContentConfig = JSON.parse(file.toString())
 		return valid(config) ? config : null;
-
 	} catch {
+		// TODO: fix this catch block to be more explicit
+		console.error('bro')
 		return null;
 	}
 }

collector/scraper/src/data/error.ts

@@ -0,0 +1,15 @@
+export class EnvVarError extends Error {
+	constructor(message: string) {
+		super(message)
+		this.name = 'EnvVarError'
+		this.message = message
+	}
+}
+
+export class ConfigurationError extends Error {
+	constructor(message: string) {
+		super(message)
+		this.name = 'CollectorConfigurationError'
+		this.message = message
+	}
+}