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,
+        };
+    }
+}