add getUserStats

src/app.ts

@@ -37,6 +37,7 @@ import {getLockCategories} from "./routes/getLockCategories";
 import {getLockCategoriesByHash} from "./routes/getLockCategoriesByHash";
 import {endpoint as getSearchSegments } from "./routes/getSearchSegments";
 import {getStatus } from "./routes/getStatus";
+import {getUserStats} from "./routes/getUserStats";
 import ExpressPromiseRouter from "express-promise-router";
 import { Server } from "http";
 import { youtubeApiProxy } from "./routes/youtubeApiProxy";
@@ -175,6 +176,8 @@ function setupRoutes(router: Router) {
     router.get("/api/status", getStatus);
 
     router.get("/api/youtubeApiProxy", youtubeApiProxy);
+    // get user category stats
+    router.get("/api/userStats", getUserStats);
 
     if (config.postgres) {
         router.get("/database", (req, res) => dumpDatabase(req, res, true));

src/routes/getUserInfo.ts

@@ -43,12 +43,7 @@ async function dbGetIgnoredSegmentCount(userID: HashedUserID): Promise<number> {
 async function dbGetUsername(userID: HashedUserID) {
     try {
         const row = await db.prepare("get", `SELECT "userName" FROM "userNames" WHERE "userID" = ?`, [userID]);
-        if (row !== undefined) {
-            return row.userName;
-        } else {
-            //no username yet, just send back the userID
-            return userID;
-        }
+        return row?.userName ?? userID;
     } catch (err) {
         return false;
     }
@@ -172,7 +167,7 @@ async function getUserInfo(req: Request, res: Response): Promise<Response> {
         responseObj[property] = await dbGetValue(hashedUserID, property);
     }
     // add minutesSaved and segmentCount after to avoid getting overwritten
-    if (paramValues.includes("minutesSaved")) { responseObj["minutesSaved"] = segmentsSummary.minutesSaved; }
+    if (paramValues.includes("minutesSaved")) responseObj["minutesSaved"] = segmentsSummary.minutesSaved;
     if (paramValues.includes("segmentCount")) responseObj["segmentCount"] = segmentsSummary.segmentCount;
     return res.send(responseObj);
 }

src/routes/getUserStats.ts

@@ -0,0 +1,56 @@
+import {db} from "../databases/databases";
+import {getHash} from "../utils/getHash";
+import {Request, Response} from "express";
+import { HashedUserID, UserID } from "../types/user.model";
+import { Category } from "../types/segments.model";
+import {config} from "../config";
+const maxRewardTime = config.maxRewardTimePerSegmentInSeconds;
+
+async function dbGetCategorySummary(userID: HashedUserID, category: Category): Promise<{ minutesSaved: number, segmentCount: number }> {
+    try {
+        const row = await db.prepare("get",
+            `SELECT SUM(((CASE WHEN "endTime" - "startTime" > ? THEN ? ELSE "endTime" - "startTime" END) / 60) * "views") as "minutesSaved",
+            count(*) as "segmentCount" FROM "sponsorTimes"
+            WHERE "userID" = ? AND "category" = ? AND "votes" > -2 AND "shadowHidden" != 1`, [maxRewardTime, maxRewardTime, userID, category]);
+        if (row.minutesSaved != null) {
+            return {
+                minutesSaved: row.minutesSaved,
+                segmentCount: row.segmentCount,
+            };
+        } else {
+            return {
+                minutesSaved: 0,
+                segmentCount: 0,
+            };
+        }
+    } catch (err) {
+        return null;
+    }
+}
+
+async function dbGetUsername(userID: HashedUserID) {
+    try {
+        const row = await db.prepare("get", `SELECT "userName" FROM "userNames" WHERE "userID" = ?`, [userID]);
+        return row?.userName ?? userID;
+    } catch (err) {
+        return false;
+    }
+}
+
+export async function getUserStats(req: Request, res: Response): Promise<Response> {
+    const userID = req.query.userID as UserID;
+    const hashedUserID: HashedUserID = userID ? getHash(userID) : req.query.publicUserID as HashedUserID;
+
+    if (hashedUserID == undefined) {
+        //invalid request
+        return res.status(400).send("Invalid userID or publicUserID parameter");
+    }
+    const responseObj = {
+        userID: hashedUserID,
+        userName: await dbGetUsername(hashedUserID),
+    } as Record<string, Record<string, number> | string >;
+    for (const category of config.categoryList) {
+        responseObj[category] = await dbGetCategorySummary(hashedUserID, category as Category);
+    }
+    return res.send(responseObj);
+}