feat: implement gas and delivery admin systems

backend/api/internal/logic/gas/dashboard.go

@@ -0,0 +1,64 @@
+package gas
+
+import (
+	"git.apinb.com/bsm-sdk/core/infra"
+	"git.apinb.com/heqiapp/platforms/backend/api/internal/impl"
+	"git.apinb.com/heqiapp/platforms/backend/api/internal/logic/common"
+	"git.apinb.com/heqiapp/platforms/backend/api/internal/models"
+	"github.com/gin-gonic/gin"
+)
+
+func DashboardOverview(ctx *gin.Context) {
+	station, ok := currentGas(ctx)
+	if !ok {
+		return
+	}
+	counts := gin.H{}
+	queries := []struct {
+		key   string
+		query any
+		where string
+		args  []any
+	}{
+		{"delivery_count", &models.DeliveryBasic{}, "gas_basic_id = ? AND status <> ?", []any{station.ID, common.StatusArchived}},
+		{"staff_count", &models.StaffAccount{}, "gas_basic_id = ? AND status <> ?", []any{station.ID, common.StatusArchived}},
+		{"contract_count", &models.GasorderContract{}, "gas_basic_id = ? AND status <> ?", []any{station.ID, common.StatusArchived}},
+		{"order_count", &models.GasorderBasic{}, "gas_basic_id = ? AND status <> ?", []any{station.ID, common.StatusArchived}},
+	}
+	for _, item := range queries {
+		var count int64
+		if err := impl.DBService.Model(item.query).Where(item.where, item.args...).Count(&count).Error; err != nil {
+			infra.Response.Error(ctx, err)
+			return
+		}
+		counts[item.key] = count
+	}
+	var userCount int64
+	if err := impl.DBService.Model(&models.UserServiceRelation{}).
+		Where("gas_basic_id = ? AND status <> ?", station.ID, common.StatusArchived).Count(&userCount).Error; err != nil {
+		infra.Response.Error(ctx, err)
+		return
+	}
+	counts["user_count"] = userCount
+	infra.Response.Success(ctx, counts)
+}
+
+func DashboardReport(ctx *gin.Context) {
+	station, ok := currentGas(ctx)
+	if !ok {
+		return
+	}
+	type statusCount struct {
+		Status int   `json:"status"`
+		Count  int64 `json:"count"`
+	}
+	var orders []statusCount
+	if err := impl.DBService.Model(&models.GasorderBasic{}).
+		Select("order_status AS status, count(*) AS count").
+		Where("gas_basic_id = ? AND status <> ?", station.ID, common.StatusArchived).
+		Group("order_status").Order("order_status").Scan(&orders).Error; err != nil {
+		infra.Response.Error(ctx, err)
+		return
+	}
+	infra.Response.Success(ctx, gin.H{"orders_by_status": orders})
+}