feat: implementing server framework

server/resources/ingredient/IngredientCollection.ts

@@ -0,0 +1,35 @@
+import {StoccaTreDbConn, WithoutId} from "../../database.ts";
+import {IngredientModel} from "./IngredientModel.ts";
+
+export default class IngredientCollection {
+    private dbConnection: StoccaTreDbConn;
+    private mapById: Map<number, IngredientModel> = new Map<number, IngredientModel>();
+    private allGotten = false;
+
+    constructor(database: StoccaTreDbConn) {
+        this.dbConnection = database;
+    }
+
+    async addIngredient(ingredient: WithoutId<IngredientModel>): Promise<any> {
+        const result = await this.dbConnection.query<any>(
+            `INSERT INTO ingredients (id, name, displayName, displayNameDE) VALUES (NULL, '${ingredient.name}', '${ingredient.displayName}', '${ingredient.displayNameDE}');`
+        );
+        return result;
+    }
+
+    async getAllIngredients(): Promise<Maybe<IterableIterator<IngredientModel>>> {
+        if (!this.allGotten) {
+            const result = await this.dbConnection.query<IngredientModel[]>("SELECT * FROM ingredients");
+            if (result.just) {
+                result.just.forEach((ingredient) => this.mapById.set(ingredient.id, ingredient));
+            } else {
+                return result;
+            }
+            this.allGotten = true;
+        }
+        return {
+            just: this.mapById.values(),
+            error: null,
+        };
+    }
+}

server/resources/ingredient/IngredientModel.ts

@@ -0,0 +1,6 @@
+export type IngredientModel = {
+    id: number,
+    name: string,
+    displayName: string,
+    displayNameDE: string,
+};

server/resources/ingredient/IngredientResource.ts

@@ -0,0 +1,30 @@
+import {StoccaTreDbConn} from "/database.ts";
+import IngredientCollection from "IngredientCollection.ts";
+import StoccaTreRequest from "/StoccaTreRequest.ts";
+
+export default class IngredientResource {
+    private dbConnection: StoccaTreDbConn;
+    private collection: IngredientCollection;
+
+    constructor(dbConnection: StoccaTreDbConn) {
+        this.dbConnection = dbConnection;
+        this.collection = new IngredientCollection(dbConnection);
+    }
+
+    async handleRequest(request: StoccaTreRequest): Promise<Maybe<JSONObject>> {
+        return await this.allIngredients(request);
+    }
+
+    async allIngredients(request: StoccaTreRequest): Promise<Maybe<JSONObject>> {
+        const getAllIngredientResult = await this.collection.getAllIngredients();
+        if (!getAllIngredientResult.error) {
+            return getAllIngredientResult.just;
+        }
+        return {
+            just: {
+                ingredients: Array.from(getAllIngredientResult.just),
+            },
+            error: "",
+        };
+    }
+}

server/resources/ingredient/main.ts

@@ -0,0 +1,3 @@
+export { type IngredientModel } from "./IngredientModel.ts";
+export { default as IngredientCollection } from "./IngredientCollection.ts";
+export { default as IngredientResource } from "./IngredientResource.ts";