feat: new user resource integrating postgresql

server/resources/ingredient/IngredientResource.ts

@@ -1,45 +1,48 @@
 import {StoccaTreDbConn} from "../../database.ts";
 import IngredientCollection from "./IngredientCollection.ts";
-import StoccaTreRequest from "../../StoccaTreRequest.ts";
+import StoccaTreRequest, {RouteDefinition} from "../../StoccaTreRequest.ts";
 import {Maybe} from "../../Maybe.ts";
 import {JSONObject} from "../../JSON.ts";
-import {IngredientModel} from "./IngredientModel.ts";
+import {IngredientSchemaWithoutId} from "./IngredientModel.ts";
 
 export default class IngredientResource {
     private dbConnection: StoccaTreDbConn;
     private collection: IngredientCollection;
+    private routes: Readonly<Record<string, RouteDefinition>> = {
+        Add: {
+            pattern: /\/add/,
+            method: "POST"
+        },
+        GetAll: {
+            pattern: /\/all/,
+            method: "GET"
+        },
+    } as const;
 
     constructor(dbConnection: StoccaTreDbConn) {
         this.dbConnection = dbConnection;
         this.collection = new IngredientCollection(dbConnection);
     }
 
-    static isIngredient(json: JSONObject): json is IngredientModel {
-        if (json) {
-            return true;
-        }
-        return false;
-    }
-
     async handleRequest(request: StoccaTreRequest): Promise<Maybe<JSONObject>> {
-        switch (request.route) {
-            case "/add":
-                if (request.method === "POST") {
-                    const ingredient = JSON.parse(request.body ?? "");
-                    return await this.collection.addIngredient(JSON.parse(request.body));
-
-
-                }
-                break;
-            case "/all":
-                return await this.allIngredients(request);
-            default:
-                break;
+        if (request.match(this.routes.Add)) {
+            return await this.addIngredient(request);
         }
-        return { error: {message: "Invalid route" }};
+        if (request.match(this.routes.GetAll)) {
+            return await this.allIngredients(request);
+        }
+        return { error: { message: "Invalid route" }};
     }
 
-    async allIngredients(request: StoccaTreRequest): Promise<Maybe<JSONObject>> {
+    private async addIngredient(request: StoccaTreRequest): Promise<Maybe<{ insertedId: number }>> {
+        const ingredient = IngredientSchemaWithoutId.safeParse(JSON.parse(request.body ?? "{}"));
+        if (!ingredient.success) {
+            return { error: new Error("Ingredient was malformed.") };
+        }
+        return await this.collection.addIngredient(ingredient.data);
+    }
+
+    private async allIngredients(request: StoccaTreRequest): Promise<Maybe<JSONObject>> {
         const getAllIngredientResult = await this.collection.getAllIngredients();
         if (getAllIngredientResult.error) {
             return getAllIngredientResult;