From a9b82f99b5dc1c467085ed86a877e9a1adb5edee Mon Sep 17 00:00:00 2001
From: Howl <the@howl.moe>
Date: Tue, 14 Jun 2016 09:37:11 +0200
Subject: [PATCH] Add global leaderboard

---
 app/start.go          |  1 +
 app/v1/doc.go         |  2 +-
 app/v1/leaderboard.go | 78 +++++++++++++++++++++++++++++++++++++++++++
 app/v1/user.go        |  8 +++--
 4 files changed, 86 insertions(+), 3 deletions(-)
 create mode 100644 app/v1/leaderboard.go

diff --git a/app/start.go b/app/start.go
index 13dd0c1..ddb12d8 100644
--- a/app/start.go
+++ b/app/start.go
@@ -44,6 +44,7 @@ func Start(conf common.Conf, dbO *sql.DB) *gin.Engine {
 			gv1.GET("/users/scores/recent", Method(v1.UserScoresRecentGET, common.PrivilegeRead))
 			gv1.GET("/badges", Method(v1.BadgesGET, common.PrivilegeRead))
 			gv1.GET("/beatmaps", Method(v1.BeatmapGET, common.PrivilegeRead))
+			gv1.GET("/leaderboard", Method(v1.LeaderboardGET, common.PrivilegeRead))
 
 			// ReadConfidential privilege required
 			gv1.GET("/friends", Method(v1.FriendsGET, common.PrivilegeReadConfidential))
diff --git a/app/v1/doc.go b/app/v1/doc.go
index 53c38b0..5b1009c 100644
--- a/app/v1/doc.go
+++ b/app/v1/doc.go
@@ -35,7 +35,7 @@ func DocGET(md common.MethodData) common.CodeMessager {
 		err := rows.Scan(&f.ID, &f.DocName, &f.Public, &f.IsRule)
 		if err != nil {
 			md.Err(err)
-			return Err500
+			continue
 		}
 		r.Files = append(r.Files, f)
 	}
diff --git a/app/v1/leaderboard.go b/app/v1/leaderboard.go
new file mode 100644
index 0000000..e1e8a17
--- /dev/null
+++ b/app/v1/leaderboard.go
@@ -0,0 +1,78 @@
+package v1
+
+import (
+	"fmt"
+	"time"
+
+	"git.zxq.co/ripple/rippleapi/common"
+)
+
+type leaderboardUser struct {
+	userData
+	ChosenMode    modeData `json:"chosen_mode"`
+	PlayStyle     int      `json:"play_style"`
+	FavouriteMode int      `json:"favourite_mode"`
+}
+
+type leaderboardResponse struct {
+	common.ResponseBase
+	Users []leaderboardUser `json:"users"`
+}
+
+const lbUserQuery = `
+SELECT
+	users.id, users.username, users.register_datetime, users.rank, users.latest_activity,
+	
+	users_stats.username_aka, users_stats.country, users_stats.show_country,
+	users_stats.play_style, users_stats.favourite_mode,
+	
+	users_stats.ranked_score_%[1]s, users_stats.total_score_%[1]s, users_stats.playcount_%[1]s,
+	users_stats.replays_watched_%[1]s, users_stats.total_hits_%[1]s,
+	users_stats.avg_accuracy_%[1]s, users_stats.pp_%[1]s, leaderboard_%[1]s.position as %[1]s_position
+FROM leaderboard_%[1]s
+INNER JOIN users ON users.id = leaderboard_%[1]s.user
+INNER JOIN users_stats ON users_stats.id = leaderboard_%[1]s.user
+%[2]s`
+
+// LeaderboardGET gets the leaderboard.
+func LeaderboardGET(md common.MethodData) common.CodeMessager {
+	m := getMode(md.C.Query("mode"))
+	query := fmt.Sprintf(lbUserQuery, m, `WHERE users.allowed = '1' ORDER BY leaderboard_`+m+`.position `+
+		common.Paginate(md.C.Query("p"), md.C.Query("l"), 100))
+	rows, err := md.DB.Query(query)
+	if err != nil {
+		md.Err(err)
+		return Err500
+	}
+	var resp leaderboardResponse
+	for rows.Next() {
+		var (
+			u              leaderboardUser
+			register       int64
+			latestActivity int64
+			showCountry    bool
+		)
+		err := rows.Scan(
+			&u.ID, &u.Username, &register, &u.Rank, &latestActivity,
+
+			&u.UsernameAKA, &u.Country, &showCountry,
+			&u.PlayStyle, &u.FavouriteMode,
+
+			&u.ChosenMode.RankedScore, &u.ChosenMode.TotalScore, &u.ChosenMode.PlayCount,
+			&u.ChosenMode.ReplaysWatched, &u.ChosenMode.TotalHits,
+			&u.ChosenMode.Accuracy, &u.ChosenMode.PP, &u.ChosenMode.GlobalLeaderboardRank,
+		)
+		if err != nil {
+			md.Err(err)
+			continue
+		}
+		if !showCountry {
+			u.Country = "XX"
+		}
+		u.RegisteredOn = time.Unix(register, 0)
+		u.LatestActivity = time.Unix(latestActivity, 0)
+		resp.Users = append(resp.Users, u)
+	}
+	resp.Code = 200
+	return resp
+}
diff --git a/app/v1/user.go b/app/v1/user.go
index 5297ea8..81c068d 100644
--- a/app/v1/user.go
+++ b/app/v1/user.go
@@ -12,7 +12,6 @@ import (
 )
 
 type userData struct {
-	common.ResponseBase
 	ID             int       `json:"id"`
 	Username       string    `json:"username"`
 	UsernameAKA    string    `json:"username_aka"`
@@ -41,9 +40,14 @@ LIMIT 1`
 	return userPuts(md, md.DB.QueryRow(query, param))
 }
 
+type userPutsUserData struct {
+	common.ResponseBase
+	userData
+}
+
 func userPuts(md common.MethodData, row *sql.Row) common.CodeMessager {
 	var err error
-	var user userData
+	var user userPutsUserData
 
 	var (
 		registeredOn   int64