Add job score calculation

src/jobs/jobs.controller.ts

@@ -38,6 +38,7 @@ export class JobsController {
             todoCount: await this.jobsService.getTodoItemCount(jobName),
             claimedCount: await this.jobsService.getClaimedItemCount(jobName),
             doneCount: await this.jobsService.getDoneItemCount(jobName),
+            doneScore: await this.jobsService.getDoneItemScoresTotal(jobName),
         };
     }
 
@@ -50,6 +51,7 @@ export class JobsController {
             todoCount: await this.jobsService.getTodoItemCount(jobName),
             claimedCount: await this.jobsService.getClaimedItemCount(jobName),
             doneCount: await this.jobsService.getDoneItemCount(jobName),
+            doneScore: await this.jobsService.getDoneItemScoresTotal(jobName),
         };
     }
 

src/jobs/jobs.service.ts

@@ -19,7 +19,11 @@ export const privateMetadataKeys = ['claimSecret'];
 
 export type PublicJobMetadata = Omit<JobMetadata, typeof privateMetadataKeys[number]>;
 
-type Leaderboard = { completeCounts: { [claimer: string]: number }, claimCounts: { [claimer: string]: number } }
+type Leaderboard = {
+    completeCounts: { [claimer: string]: number },
+    claimCounts: { [claimer: string]: number }
+    doneScores: { [claimer: string]: number }
+}
 
 @Injectable()
 export class JobsService {
@@ -104,8 +108,9 @@ export class JobsService {
         }
         const completeCounts = await this.getCompleteCounts(jobName);
         const claimCounts = await this.getClaimCounts(jobName);
-        this.cacheManager.set(`leaderboard:${jobName}`, { completeCounts, claimCounts }, 200);
-        return { completeCounts, claimCounts };
+        const doneScores = await this.getDoneItemScores(jobName);
+        this.cacheManager.set(`leaderboard:${jobName}`, { completeCounts, claimCounts, doneScores }, 200);
+        return { completeCounts, claimCounts, doneScores };
     }
 
 
@@ -160,6 +165,25 @@ export class JobsService {
         return this.redis.llen(this.doneListNameBuilder(jobName));
     }
 
+    async getDoneItemScoresTotal(jobName: string) {
+        const doneItems = await this.getDoneItems(jobName);
+        const scores = doneItems.map(item => JSON.parse(item).data?.score || 1);
+        return scores.reduce((acc: number, val: number) => acc + val, 0);
+    }
+
+    // Sum the "score" property of each item in the done list and
+    // accumulate based on claimer
+    async getDoneItemScores(jobName: string) {
+        const doneItems = await this.getDoneItems(jobName);
+        const scores = doneItems.map(item => JSON.parse(item).data?.score || 1);
+        const claimers = doneItems.map(item => JSON.parse(item).client);
+        const scoreMap = claimers.reduce((acc: any, val: any, idx: number) => {
+            acc[val] = (acc[val] || 0) + scores[idx];
+            return acc;
+        }, {});
+        return scoreMap;
+    }
+
     async getJobs() {
         return this.redis.keys('job:*');
     }