ENCOA-316 ENCOA-317:

Refactor components to remove Layout wrapper and pass it in the App component , implemented a skeleton feedback while loading page and improved API calls related to Dashboard/User Profile

src/utils/stats.be.ts

@@ -1,12 +1,140 @@
-import {Stat} from "@/interfaces/user";
+import { Stat } from "@/interfaces/user";
 import client from "@/lib/mongodb";
 
 const db = client.db(process.env.MONGODB_DB);
 
-export const getStatsByUser = async (id: string) => await db.collection("stats").find<Stat>({user: id}).toArray();
+export const getStatsByUser = async (id: string) => await db.collection("stats").find<Stat>({ user: id }).toArray();
 
 export const getStatsByUsers = async (ids: string[]) =>
 	await db
 		.collection("stats")
-		.find<Stat>({user: {$in: ids}})
+		.find<Stat>({ user: { $in: ids } })
 		.toArray();
+
+export const getDetailedStatsByUser = async (id: string, query?: string) => {
+	let aggregateArray: any[] = [
+		{ $match: { user: id } },
+		{ $sort: { "date": 1 } },
+	]
+	switch (query) {
+		case "stats":
+			{
+				aggregateArray = aggregateArray.concat([{
+					$group: {
+						_id: "$session",
+						modules: { $addToSet: "$module" },
+						documents: { $push: "$$ROOT" },
+						totalCorrect: { $sum: "$score.correct" },
+						totalQuestions: { $sum: "$score.total" }
+					}
+				},
+				{
+					$project: {
+						_id: 0,
+						hasAllModules: {
+							$eq: [
+								{ $size: { $setIntersection: ["$modules", ["reading", "listening", "writing", "speaking"]] } },
+								4
+							]
+						},
+						uniqueModulesCount: { $size: "$modules" },
+						averageScore: {
+							$cond: [
+								{ $gt: ["$totalQuestions", 0] },
+								{ $multiply: [{ $divide: ["$totalCorrect", "$totalQuestions"] }, 100] },
+								0
+							]
+						},
+						documents: 1
+					}
+				},
+				{
+					$group: {
+						_id: null,
+						fullExams: { $sum: { $cond: ["$hasAllModules", 1, 0] } },
+						uniqueModules: { $sum: "$uniqueModulesCount" },
+						averageScore: {
+							$avg: "$averageScore"
+						},
+						allStats: { $push: "$documents" }
+					}
+				},
+				{
+					$project: {
+						_id: 0,
+						fullExams: 1,
+						uniqueModules: 1,
+						averageScore: 1,
+						allStats: {
+							$reduce: {
+								input: "$allStats",
+								initialValue: [],
+								in: { $concatArrays: ["$$value", "$$this"] }
+							}
+						}
+					}
+				}])
+			}
+			break;
+		case "byModule": {
+			aggregateArray = aggregateArray.concat([{
+				$facet: {
+					moduleCounts: [
+						{
+							$group: {
+								_id: {
+									module: "$module",
+									session: "$session"
+								}
+							}
+						},
+						{
+							$group: {
+								_id: "$_id.module",
+								count: {
+									$count: {}
+								}
+							}
+						},
+						{
+							$project: {
+								_id: 0,
+								module: "$_id",
+								count: "$count"
+							}
+						}
+					],
+					allDocuments: [
+						{
+							$project: {
+								_id: 0
+							}
+						}
+					]
+				}
+			},
+			{
+				$project: {
+					moduleCount: {
+						$arrayToObject: {
+							$map: {
+								input: "$moduleCounts",
+								as: "module",
+								in: {
+									k: "$$module.module",
+									v: "$$module.count"
+								}
+							}
+						}
+					},
+					allDocs: "$allDocuments"
+				}
+			}])
+
+		}
+		default:
+	}
+
+	return await db.collection("stats").aggregate(aggregateArray).toArray().then((result) => query ? result[0] : result
+	);
+}