Write patch for generating weekly matchup results

app/GenerateWeeklyResults.patch.js

@@ -0,0 +1,36 @@
+const { Injectable } = require('flitter-di')
+
+class GenerateWeeklyResultsPatch extends Injectable {
+    static get services() {
+        return [...super.services, 'models', 'sports_data']
+    }
+
+    async run() {
+        const Matchup = this.models.get('Matchup')
+        const current_week = await this.sports_data.current_play_week()
+
+        const week_matchups = await Matchup.find({ week_num: current_week })
+        this.output.info(`Processing ${week_matchups.length} matchups...`)
+
+        for ( const matchup of week_matchups ) {
+            const visitor_team = await matchup.visitor_team()
+            const home_team = await matchup.home_team()
+
+            const visitor_lineup = await visitor_team.lineup()
+            const home_lineup = await home_team.lineup()
+
+            matchup.visitor_team_score = await visitor_lineup.calculate_fantasy_points()
+            matchup.home_team_score = await home_lineup.calculate_fantasy_points()
+            matchup.complete = true
+
+            this.output.success(`Scored matchup ${matchup.id}`)
+            this.output.info(`  Team ${home_team.id}: ${matchup.home_team_score}`)
+            this.output.info(`  Team ${visitor_team.id}: ${matchup.visitor_team_score}`)
+            await matchup.save()
+        }
+
+        this.output.info('Finished scoring match-ups.')
+    }
+}
+
+module.exports = exports = GenerateWeeklyResultsPatch

app/models/Lineup.model.js

@@ -32,6 +32,17 @@ class Lineup extends Model {
         }
     }
 
+    async calculate_fantasy_points() {
+        const starting_players = await this.players_in_starting()
+        let points = 0
+
+        for ( const player of starting_players ) {
+            points += await player.points_for_week(this.week_num)
+        }
+
+        return points
+    }
+
     /**
      * Given a team, fetch the latest draft lineup for that team.
      * This will also update the lineup record so that it includes all players

app/models/Matchup.model.js

@@ -15,6 +15,16 @@ class Matchup extends Model {
             visitor_team_score: Number,
         }
     }
+
+    async home_team() {
+        const Team = this.models.get('Team')
+        return Team.findById(this.home_team_id)
+    }
+
+    async visitor_team() {
+        const Team = this.models.get('Team')
+        return Team.findById(this.visitor_team_id)
+    }
 }
 
 module.exports = exports = Matchup

app/models/Player.model.js

@@ -81,6 +81,11 @@ class Player extends Model {
         })
     }
 
+    async points_for_week(week_num) {
+        const WeeklyPlayerStat = this.models.get('WeeklyPlayerStat')
+        return WeeklyPlayerStat.findOne({ week_num, player_id: this.id })
+    }
+
     async is_obligated() {
         const Team = this.models.get('Team')
         const teams = await Team.find()