change x-axis scale: number games for elo charts

src/render_site.py

@@ -531,31 +531,42 @@ def get_player_list() -> List[Dict]:
 
 def get_variant_rating_progression():
     cur = conn_manager.get_new_cursor()
+    ret = {}
+    for rating_type in [utils.get_rating_type(False), utils.get_rating_type(True)]:
         cur.execute(
+            "SELECT * FROM"
+            "("
             "  SELECT "
-        "  variants.rating_type,"
             "    variants.name,"
             "    variant_ratings.num_players,"
             "    variant_ratings.value_after,"
-        "  games.datetime_finished,"
+            "    DENSE_RANK() OVER (ORDER BY league_id ASC) AS rank"
-        "  dense_rank() over (order by games.league_id desc) "
             "  FROM variants "
             "  INNER JOIN variant_ratings"
             "    ON variants.id = variant_ratings.variant_id "
-        "INNER JOIN games "
+            "  WHERE variants.rating_type = %s "
-        "  ON variant_ratings.league_id = games.league_id"
+            "  UNION "
+            "  SELECT "
+            "    variants.name,"
+            "    variant_base_ratings.num_players,"
+            "    variant_base_ratings.rating,"
+            "    0 AS rank"
+            "  FROM variants "
+            "  INNER JOIN variant_base_ratings"
+            "    ON variants.id = variant_base_ratings.variant_id "
+            "  WHERE variants.rating_type = %s"
+            ") "
+            "ORDER BY rank",
+            (rating_type, rating_type)
         )
-    ret = {}
-    for (rating_type, name, num_players, value_after, datetime_finished, rank) in cur.fetchall():
-        if rating_type not in ret.keys():
         ret[rating_type] = {}
+        for (name, num_players, rating, rank) in cur.fetchall():
             if name not in ret[rating_type].keys():
                 ret[rating_type][name] = {}
             if num_players not in ret[rating_type][name].keys():
                 ret[rating_type][name][num_players] = []
             ret[rating_type][name][num_players].append({
-            "value_after": value_after,
+                "rating": rating,
-            "datetime_finished": datetime_finished.astimezone(datetime.timezone.utc).isoformat(),
                 "rank": rank
             })
     return ret

templates/main.html

@@ -124,6 +124,7 @@
             <h3>List of played games</h3>
             <div id="table-{{rating_type}}"></div>
 
+            <br>
             <h3>ELO progression</h3>
             <canvas id="chart-{{rating_type}}"></canvas>
 
@@ -214,12 +215,13 @@
             },
             options: {
                 parsing: {
-                    xAxisKey: "datetime_finished",
+                    xAxisKey: "rank",
-                    yAxisKey: "value_after"
+                    yAxisKey: "rating"
                 },
                 scales: {
                     x: {
-                        type: 'time'
+                        type: 'linear',
+                        text: 'Number of games'
                     }
                 }
             }