add fact table

Author: Student

models/warehouse/facts/fct_games_played.sql

@@ -0,0 +1,91 @@
+with
+
+games as (
+    select * from {{ ref('stg_nba__games') }}
+),
+
+dim_games as (
+    select * from {{ ref('dim_games') }}
+),
+
+dim_teams as (
+    select * from {{ ref('dim_teams') }}
+),
+
+final as (
+
+    select
+        -- Surrogate Key
+        {{ dbt_utils.generate_surrogate_key(
+            ['dim_games.game_sk',
+            'home_teams.team_sk',
+            'away_teams.team_sk',
+            'date(games.game_at)'
+            ]
+        )}} as fct_game_played_sk,
+
+        -- Dimension Keys
+        dim_games.game_sk,
+        home_teams.team_sk as home_team_sk,
+        away_teams.team_sk as away_team_sk,
+                
+        {{ dbt_utils.generate_surrogate_key(
+            ['date(games.game_at)']
+        )}} as game_date_sk,
+
+        -- Numeric Values        
+        games.home_team_score_total,
+        games.home_team_score_quarter_1,
+        games.home_team_score_quarter_2,
+        games.home_team_score_quarter_3,
+        games.home_team_score_quarter_4,
+        games.home_team_score_overtime,
+        round(games.home_team_score_total / 4, 2) as average_home_pts_per_quarter,
+
+        games.away_team_score_total,
+        games.away_team_score_quarter_1,
+        games.away_team_score_quarter_2,
+        games.away_team_score_quarter_3,
+        games.away_team_score_quarter_4,
+        games.away_team_score_overtime,
+        round(games.home_team_score_total / 4, 2) as average_away_pts_per_quarter,
+
+        games.point_differential,
+
+        case
+            when games.is_home_team_win then 1
+            else 0
+        end as home_team_win_count,
+
+        case
+            when not games.is_home_team_win then 1
+            else 0
+        end as home_team_loss_count,
+
+        case
+            when games.is_away_team_win then 1
+            else 0
+        end as away_team_win_count,
+
+        case
+            when not games.is_away_team_win then 1
+            else 0
+        end as away_team_loss_count,
+
+        -- Dates (for simplicity)
+        games.game_at
+
+    from games
+
+    left join dim_games
+        on games.game_id = dim_games.game_id
+
+    left join dim_teams as home_teams
+        on games.home_team_id = home_teams.team_id
+
+    left join dim_teams as away_teams
+        on games.away_team_id = away_teams.team_id
+
+)
+
+select * from final