feat: 增加系统用户管理

api/handler/admin/dashboard_handler.go

@@ -7,6 +7,7 @@ import (
 	"chatplus/store/model"
 	"chatplus/utils/resp"
 	"github.com/gin-gonic/gin"
+	"github.com/shopspring/decimal"
 	"gorm.io/gorm"
 	"time"
 )
@@ -23,10 +24,11 @@ func NewDashboardHandler(app *core.AppServer, db *gorm.DB) *DashboardHandler {
 }
 
 type statsVo struct {
-	Users  int64   `json:"users"`
-	Chats  int64   `json:"chats"`
-	Tokens int     `json:"tokens"`
-	Income float64 `json:"income"`
+	Users  int64                         `json:"users"`
+	Chats  int64                         `json:"chats"`
+	Tokens int                           `json:"tokens"`
+	Income float64                       `json:"income"`
+	Chart  map[string]map[string]float64 `json:"chart"`
 }
 
 func (h *DashboardHandler) Stats(c *gin.Context) {
@@ -67,5 +69,52 @@ func (h *DashboardHandler) Stats(c *gin.Context) {
 	for _, item := range orders {
 		stats.Income += item.Amount
 	}
+
+	// 统计7天的订单的图表
+	startDate := now.Add(-7 * 24 * time.Hour).Format("2006-01-02")
+	var statsChart = make(map[string]map[string]float64)
+	//// 初始化
+	var userStatistic, historyMessagesStatistic, incomeStatistic = make(map[string]float64), make(map[string]float64), make(map[string]float64)
+	for i := 0; i < 7; i++ {
+		var initTime = time.Date(now.Year(), now.Month(), now.Day()-i, 0, 0, 0, 0, now.Location()).Format("2006-01-02")
+		userStatistic[initTime] = float64(0)
+		historyMessagesStatistic[initTime] = float64(0)
+		incomeStatistic[initTime] = float64(0)
+	}
+
+	// 统计用户7天增加的曲线
+	var users []model.User
+	res = h.db.Model(&model.User{}).Where("created_at > ?", startDate).Find(&users)
+	if res.Error == nil {
+		for _, item := range users {
+			userStatistic[item.CreatedAt.Format("2006-01-02")] += 1
+		}
+	}
+
+	// 统计7天Token 消耗
+	res = h.db.Where("created_at > ?", startDate).Find(&historyMessages)
+	for _, item := range historyMessages {
+		historyMessagesStatistic[item.CreatedAt.Format("2006-01-02")] += float64(item.Tokens)
+	}
+
+	// 浮点数相加？
+	// 统计最近7天的众筹
+	res = h.db.Where("created_at > ?", startDate).Find(&rewards)
+	for _, item := range rewards {
+		incomeStatistic[item.CreatedAt.Format("2006-01-02")], _ = decimal.NewFromFloat(incomeStatistic[item.CreatedAt.Format("2006-01-02")]).Add(decimal.NewFromFloat(item.Amount)).Float64()
+	}
+
+	// 统计最近7天的订单
+	res = h.db.Where("status = ?", types.OrderPaidSuccess).Where("created_at > ?", startDate).Find(&orders)
+	for _, item := range orders {
+		incomeStatistic[item.CreatedAt.Format("2006-01-02")], _ = decimal.NewFromFloat(incomeStatistic[item.CreatedAt.Format("2006-01-02")]).Add(decimal.NewFromFloat(item.Amount)).Float64()
+	}
+
+	statsChart["users"] = userStatistic
+	statsChart["historyMessage"] = historyMessagesStatistic
+	statsChart["orders"] = incomeStatistic
+
+	stats.Chart = statsChart
+
 	resp.SUCCESS(c, stats)
 }