Begin work on getting the graph data prepared

module/Apps/StatsViewer.mjs

@@ -69,6 +69,10 @@ export class StatsViewer extends HandlebarsApplicationMixin(ApplicationV2) {
 				this.#prepareDataFiltersContext(ctx);
 				break;
 			};
+			case `graph`: {
+				this.#prepareGraphContext(ctx);
+				break;
+			};
 		};
 
 		if (import.meta.env.DEV) {
@@ -120,6 +124,26 @@ export class StatsViewer extends HandlebarsApplicationMixin(ApplicationV2) {
 		};
 	};
 
+	_graphData = {};
+	async #prepareGraphContext(_ctx) {
+		const datasets = CONFIG.StatsDatabase.getRows(
+			`${this._selectedTable}/${this._selectedSubtable}`,
+			this._selectedUsers,
+		);
+
+		Logger.log(datasets);
+
+		const buckets = {};
+		for (const row of datasets[game.user.id] ?? []) {
+			buckets[row.value] ??= 0;
+			buckets[row.value] += 1;
+		};
+
+		const sorted = Object.entries(buckets).sort(([v1], [v2]) => Math.sign(v1 - v2));
+
+		Logger.log(sorted);
+	};
+
 	/**
 	 * @param {Event} event
 	 */

module/utils/databases/Memory.mjs

@@ -1,6 +1,22 @@
 /* eslint-disable no-unused-vars */
 import { Table } from "./model.mjs";
 
+const { randomID } = foundry.utils;
+
+function generateRow(value, isPrivate = false) {
+	return {
+		id: randomID(),
+		timestamp: Date.now(),
+		value,
+		isPrivate,
+	};
+};
+
+function getNormalDistributionHeight(x, a, b) {
+	const maxHeight = b;
+	return Math.round(Math.exp(-( ((x - a) ** 2) / b )) * maxHeight);
+};
+
 export class MemoryDatabase {
 	static getTables() {
 		/** @type {Array<{ name: string; }>} */
@@ -18,11 +34,39 @@ export class MemoryDatabase {
 
 	static createRow(table, user, row) {};
 
-	static getRows(tableId, ...users) {
-		if (users.length === 0) { users = [game.user] };
+	static #cache = {};
+
+	static getRows(tableID, users) {
+		if (users.length === 0) {
+			return {};
+		};
 
 		const datasets = {};
 
+		for (const user of users) {
+			if (this.#cache[user]?.[tableID]) {
+				datasets[user] = this.#cache[user][tableID];
+			} else {
+
+				const [table, subtable] = tableID.split(`/`);
+				if (!subtable) {
+					continue;
+				}
+				const size = Number.parseInt(subtable.slice(1));
+				const rows = [];
+
+				for (let i = 1; i <= size; i++) {
+					const count = getNormalDistributionHeight(i, size / 2, size);
+					console.table({ count, i });
+					const temp = new Array(count).fill(null).map(() => generateRow(i));
+					rows.push(...temp);
+				};
+
+				this.#cache[user] ??= {};
+				datasets[user] = this.#cache[user][tableID] = rows;
+			}
+		}
+
 		return datasets;
 	};