feat: add bot token usage analyzer

migrations/supabase/migrations/20241224030938_remote_schema.sql

@@ -0,0 +1,24 @@
+set check_function_bodies = off;
+
+CREATE OR REPLACE FUNCTION public.analyze_user_token_usage(start_date date, end_date date)
+ RETURNS TABLE(bot_id text, usage_date date, input_tokens bigint, output_tokens bigint, total_tokens bigint)
+ LANGUAGE plpgsql
+AS $function$
+BEGIN
+    RETURN QUERY
+    SELECT
+        u.bot_id AS bot_id,
+        u.date AS usage_date,  -- 使用别名来避免歧义
+        SUM(u.input_token)::BIGINT AS input_tokens,  -- 将结果转换为 BIGINT
+        SUM(u.output_token)::BIGINT AS output_tokens,  -- 将结果转换为 BIGINT
+        SUM(u.total_token)::BIGINT AS total_tokens  -- 将结果转换为 BIGINT
+    FROM user_token_usage u
+    WHERE 
+        u.date >= start_date AND
+        u.date <= end_date
+    GROUP BY u.date, u.bot_id;
+END;
+$function$
+;
+
+