refactor: service module and dao module

server/dao/dashboard.go

@@ -0,0 +1,32 @@
+package dao
+
+import (
+	"crm/global"
+	"crm/models"
+)
+
+type DashboardDao struct {
+}
+
+func NewDashboardDao() *DashboardDao {
+	return &DashboardDao{}
+}
+
+func (d *DashboardDao) Count(uid int64, days int) models.DashboardSum {
+	var ds models.DashboardSum
+	global.Db.Raw("select count(*) from customer where creator = ?", uid).Scan(&ds.Customers)
+	global.Db.Raw("select count(*) from contract where creator = ?", uid).Scan(&ds.Contracts)
+	global.Db.Raw("select sum(amount) from contract where creator = ?", uid).Scan(&ds.ContractAmount)
+	global.Db.Raw("select count(*) from product where creator = ?", uid).Scan(&ds.Products)
+
+	s := "industry as name, count(*) as value"
+	global.Db.Model(&models.Customer{}).Select(s).Where("creator = ?", uid).Group("industry").Find(&ds.CustomerIndustry)
+	return ds
+}
+
+func (d *DashboardDao) AmountSum(start, end, uid int64) float64 {
+	var as float64
+	con := "created > ? and created < ? and status = 1 and creator = ?"
+	global.Db.Table(CONTRACT).Where(con, start, end, uid).Pluck("amount", &as)
+	return as
+}