1 files changed, 204 insertions, 0 deletions

diff --git a/backend/handlers/stats.go b/backend/handlers/stats.go
new file mode 100644
index 0000000..8fe98f9
--- /dev/null
+++ b/backend/handlers/stats.go
@@ -0,0 +1,204 @@
+package handlers
+
+import (
+        "net/http"
+        "time"
+
+        "lphub/database"
+        "lphub/models"
+
+        "github.com/gin-gonic/gin"
+)
+
+type ScoresResponse struct {
+        Logs []ScoresDetails `json:"scores"`
+}
+
+type ScoresDetails struct {
+        Game       models.Game      `json:"game"`
+        User       models.UserShort `json:"user"`
+        Map        models.MapShort  `json:"map"`
+        ScoreCount int              `json:"score_count"`
+        ScoreTime  int              `json:"score_time"`
+        DemoID     string           `json:"demo_id"`
+        Date       time.Time        `json:"date"`
+}
+
+type TimelinePoint struct {
+        Date  string `json:"date"`
+        Count int    `json:"count"`
+}
+
+type TimelineResponse struct {
+        Singleplayer []TimelinePoint `json:"timeline_singleplayer"`
+        Multiplayer  []TimelinePoint `json:"timeline_multiplayer"`
+}
+
+// GET Scores
+//
+//      @Description    Get score logs of every player.
+//      @Tags                   stats
+//      @Produce                json
+//      @Success                200     {object}        models.Response{data=ScoresResponse}
+//      @Router                 /stats/scores [get]
+func Scores(c *gin.Context) {
+        response := ScoresResponse{Logs: []ScoresDetails{}}
+        sql := `SELECT g.id,
+                g."name",
+                g.is_coop,
+                rs.map_id,
+                m.name AS map_name,
+                u.steam_id,
+                u.user_name,
+                rs.score_count,
+                rs.score_time,
+                rs.demo_id,
+                rs.record_date
+        FROM (
+                SELECT id, map_id, user_id, score_count, score_time, demo_id, record_date
+                FROM records_sp WHERE is_deleted = false
+
+                UNION ALL
+
+                SELECT id, map_id, host_id AS user_id, score_count, score_time, host_demo_id AS demo_id, record_date
+                FROM records_mp WHERE is_deleted = false
+
+                UNION ALL
+
+                SELECT id, map_id, partner_id AS user_id, score_count, score_time, partner_demo_id AS demo_id, record_date
+                FROM records_mp WHERE is_deleted = false
+        ) AS rs
+        JOIN users u ON rs.user_id = u.steam_id
+        JOIN maps m ON rs.map_id = m.id
+        JOIN games g ON m.game_id = g.id 
+        ORDER BY rs.record_date DESC LIMIT 100;`
+        rows, err := database.DB.Query(sql)
+        if err != nil {
+                c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
+                return
+        }
+        for rows.Next() {
+                score := ScoresDetails{}
+                err = rows.Scan(&score.Game.ID, &score.Game.Name, &score.Game.IsCoop, &score.Map.ID, &score.Map.Name, &score.User.SteamID, &score.User.UserName, &score.ScoreCount, &score.ScoreTime, &score.DemoID, &score.Date)
+                if err != nil {
+                        c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
+                        return
+                }
+                response.Logs = append(response.Logs, score)
+        }
+        c.JSON(http.StatusOK, models.Response{
+                Success: true,
+                Message: "Successfully retrieved score logs.",
+                Data:    response,
+        })
+}
+
+// GET Timeline
+//
+//      @Description    Get the history of portal count world records over time.
+//      @Tags                   stats
+//      @Produce                json
+//      @Success                200     {object}        models.Response{data=TimelineResponse}
+//      @Router                 /stats/timeline [get]
+func Timeline(c *gin.Context) {
+        result := TimelineResponse{
+                Singleplayer: []TimelinePoint{},
+                Multiplayer:  []TimelinePoint{},
+        }
+        spQuery := `
+                WITH date_series AS (
+                        SELECT DISTINCT record_date as date
+                        FROM map_history
+                        WHERE category_id = 1 AND map_id <= 60 AND record_date >= '2013-01-31'
+                        ORDER BY record_date
+                ),
+                map_best_at_date AS (
+                        SELECT 
+                                ds.date,
+                                mh.map_id,
+                                MIN(mh.score_count) as best_count
+                        FROM date_series ds
+                        CROSS JOIN (SELECT DISTINCT map_id FROM map_history WHERE category_id = 1 AND map_id <= 60) maps
+                        LEFT JOIN map_history mh ON mh.map_id = maps.map_id 
+                                AND mh.category_id = 1 
+                                AND mh.record_date <= ds.date
+                        GROUP BY ds.date, mh.map_id
+                )
+                SELECT 
+                        date,
+                        SUM(best_count) as total_count
+                FROM map_best_at_date
+                GROUP BY date
+                ORDER BY date ASC;
+        `
+
+        mpQuery := `
+                WITH date_series AS (
+                        SELECT DISTINCT record_date as date
+                        FROM map_history
+                        WHERE category_id = 1 AND map_id > 60 AND record_date >= '2011-12-21'
+                        ORDER BY record_date
+                ),
+                map_best_at_date AS (
+                        SELECT 
+                                ds.date,
+                                mh.map_id,
+                                MIN(mh.score_count) as best_count
+                        FROM date_series ds
+                        CROSS JOIN (SELECT DISTINCT map_id FROM map_history WHERE category_id = 1 AND map_id > 60) maps
+                        LEFT JOIN map_history mh ON mh.map_id = maps.map_id 
+                                AND mh.category_id = 1 
+                                AND mh.record_date <= ds.date
+                        GROUP BY ds.date, mh.map_id
+                )
+                SELECT 
+                        date,
+                        SUM(best_count) as total_count
+                FROM map_best_at_date
+                GROUP BY date
+                ORDER BY date ASC;
+        `
+
+        rows, err := database.DB.Query(spQuery)
+        if err != nil {
+                return
+        }
+        defer rows.Close()
+
+        for rows.Next() {
+                var dateTime time.Time
+                var count int
+                if err := rows.Scan(&dateTime, &count); err != nil {
+                        c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
+                        return
+                }
+                result.Singleplayer = append(result.Singleplayer, TimelinePoint{
+                        Date:  dateTime.Format("2006-01-02"),
+                        Count: count,
+                })
+        }
+
+        rows, err = database.DB.Query(mpQuery)
+        if err != nil {
+                return
+        }
+        defer rows.Close()
+
+        for rows.Next() {
+                var dateTime time.Time
+                var count int
+                if err := rows.Scan(&dateTime, &count); err != nil {
+                        c.JSON(http.StatusOK, models.ErrorResponse(err.Error()))
+                        return
+                }
+                result.Multiplayer = append(result.Multiplayer, TimelinePoint{
+                        Date:  dateTime.Format("2006-01-02"),
+                        Count: count,
+                })
+        }
+        c.JSON(http.StatusOK, models.Response{
+                Success: true,
+                Message: "Successfully retrieved portal count timeline.",
+                Data:    result,
+        })
+}