From f4b201905e25529be586ff3f5c4f2aabac931523 Mon Sep 17 00:00:00 2001
From: Bill Radjewski <radjewwj@gmail.com>
Date: Thu, 30 Jan 2025 18:23:20 -0500
Subject: [PATCH] feat: adjusted efficiency ratings

---
 src/app/ratings/controller.ts | 20 +++++++++-
 src/app/ratings/service.ts    | 70 ++++++++++++++++++++++++++++++++++-
 src/app/ratings/types.ts      | 16 ++++++++
 src/config/types/db.d.ts      | 10 +++++
 4 files changed, 113 insertions(+), 3 deletions(-)

diff --git a/src/app/ratings/controller.ts b/src/app/ratings/controller.ts
index 7bf9203..d6f4871 100644
--- a/src/app/ratings/controller.ts
+++ b/src/app/ratings/controller.ts
@@ -1,8 +1,8 @@
 import { Route, Tags, Controller, Get, Query, Middlewares } from 'tsoa';
 
 import middlewares from '../../config/middleware';
-import { SrsInfo } from './types';
-import { getSrs } from './service';
+import { AdjustedEfficiencyInfo, SrsInfo } from './types';
+import { getAdjustedEfficiency, getSrs } from './service';
 
 @Route('ratings')
 @Middlewares(middlewares.standard)
@@ -23,4 +23,20 @@ export class RatingsController extends Controller {
   ): Promise<SrsInfo[]> {
     return await getSrs(season, team, conference);
   }
+
+  /**
+   * Retrieves adjusted efficiency ratings for the provided season, team, or conference.
+   * @param season Optional season filter
+   * @param team Optional team filter
+   * @param conference Optional conference abbreviation filter
+   * @isInt season
+   */
+  @Get('adjusted')
+  public async getAdjustedEfficiency(
+    @Query() season?: number,
+    @Query() team?: string,
+    @Query() conference?: string,
+  ): Promise<AdjustedEfficiencyInfo[]> {
+    return await getAdjustedEfficiency(season, team, conference);
+  }
 }
diff --git a/src/app/ratings/service.ts b/src/app/ratings/service.ts
index f1a8d65..2d91941 100644
--- a/src/app/ratings/service.ts
+++ b/src/app/ratings/service.ts
@@ -1,6 +1,6 @@
 import { db } from '../../config/database';
 
-import { SrsInfo } from './types';
+import { AdjustedEfficiencyInfo, SrsInfo } from './types';
 
 export const getSrs = async (
   year?: number,
@@ -61,3 +61,71 @@ export const getSrs = async (
     rating: Number(r.rating),
   }));
 };
+
+export const getAdjustedEfficiency = async (
+  year?: number,
+  team?: string,
+  conference?: string,
+): Promise<AdjustedEfficiencyInfo[]> => {
+  let query = db
+    .selectFrom('adjustedEfficiency')
+    .innerJoin('team', 'team.id', 'adjustedEfficiency.teamId')
+    .innerJoin('conferenceTeam', (join) =>
+      join
+        .onRef('conferenceTeam.teamId', '=', 'team.id')
+        .onRef('conferenceTeam.startYear', '<=', 'adjustedEfficiency.season')
+        .on((eb) =>
+          eb.or([
+            eb(
+              'conferenceTeam.endYear',
+              '>=',
+              eb.ref('adjustedEfficiency.season'),
+            ),
+            eb('conferenceTeam.endYear', 'is', null),
+          ]),
+        ),
+    )
+    .innerJoin('conference', 'conference.id', 'conferenceTeam.conferenceId')
+    .select([
+      'adjustedEfficiency.season',
+      'adjustedEfficiency.teamId',
+      'team.school as team',
+      'conference.abbreviation as conference',
+      'adjustedEfficiency.offense as offensiveRating',
+      'adjustedEfficiency.defense as defensiveRating',
+      'adjustedEfficiency.net as netRating',
+    ])
+    .orderBy('adjustedEfficiency.season', 'desc')
+    .orderBy('adjustedEfficiency.net', 'desc');
+
+  if (year) {
+    query = query.where('adjustedEfficiency.season', '=', year);
+  }
+
+  if (team) {
+    query = query.where(
+      (eb) => eb.fn('lower', [eb.ref('team.school')]),
+      '=',
+      team.toLowerCase(),
+    );
+  }
+
+  if (conference) {
+    query = query.where(
+      (eb) => eb.fn('lower', [eb.ref('conference.abbreviation')]),
+      '=',
+      conference.toLowerCase(),
+    );
+  }
+
+  const ratings = await query.execute();
+  return ratings.map((r) => ({
+    season: r.season,
+    teamId: r.teamId,
+    team: r.team,
+    conference: r.conference,
+    offensiveRating: Number(r.offensiveRating),
+    defensiveRating: Number(r.defensiveRating),
+    netRating: Number(r.netRating),
+  }));
+};
diff --git a/src/app/ratings/types.ts b/src/app/ratings/types.ts
index ba42fc5..4fd708a 100644
--- a/src/app/ratings/types.ts
+++ b/src/app/ratings/types.ts
@@ -11,3 +11,19 @@ export interface SrsInfo {
   conference: string;
   rating: number;
 }
+
+export interface AdjustedEfficiencyInfo {
+  /**
+   * @isInt
+   */
+  season: number;
+  /**
+   * @isInt
+   */
+  teamId: number;
+  team: string;
+  conference: string;
+  offensiveRating: number;
+  defensiveRating: number;
+  netRating: number;
+}
diff --git a/src/config/types/db.d.ts b/src/config/types/db.d.ts
index fcf9dd6..6e32d83 100644
--- a/src/config/types/db.d.ts
+++ b/src/config/types/db.d.ts
@@ -46,6 +46,15 @@ export type SeasonType = 'postseason' | 'preseason' | 'regular';
 
 export type Timestamp = ColumnType<Date, Date | string, Date | string>;
 
+export interface AdjustedEfficiency {
+  defense: Numeric;
+  id: Generated<number>;
+  net: Numeric;
+  offense: Numeric;
+  season: number;
+  teamId: number;
+}
+
 export interface Athlete {
   dob: Timestamp | null;
   firstName: string | null;
@@ -317,6 +326,7 @@ export interface Venue {
 }
 
 export interface DB {
+  adjustedEfficiency: AdjustedEfficiency;
   athlete: Athlete;
   athleteTeam: AthleteTeam;
   conference: Conference;