0813

SGGL/BLL/ProjectData/Project_InstallationService.cs

@@ -34,16 +34,17 @@ namespace BLL
         /// <returns>true-可以，false-不可以</returns>
         public static bool IsCanAddInstallation(string installationId)
         {
-            var installation = from x in Funs.DB.Project_Installation
-                               join y in Funs.DB.Project_Installation
-                               on x.InstallationId equals y.SuperInstallationId
-                               join z in Funs.DB.Project_Installation
-                               on y.InstallationId equals z.SuperInstallationId
-                               where z.InstallationId == installationId
-                               select x;
-            if (installation.Count() > 0)
+            var installation = Funs.DB.Project_Installation.FirstOrDefault(x => x.InstallationId == installationId);
+            if (installation != null)
             {
-                return false;
+                if (installation.IsEnd == true)
+                {
+                    return false;
+                }
+                else
+                {
+                    return true;
+                }
             }
             else
             {
@@ -81,6 +82,57 @@ namespace BLL
             return (from x in Funs.DB.Project_Installation where x.SuperInstallationId == superInstallationId select x).Count() > 0;
         }
 
+        /// <summary>
+        /// 根据id获取所有父级装置id
+        /// </summary>
+        /// <param name="installationId">名称</param>
+        /// <returns></returns>
+        public static string GetParentInstallationIds(string installationId)
+        {
+            string ids = string.Empty;
+            var ins = Funs.DB.Project_Installation.FirstOrDefault(x => x.InstallationId == installationId);
+            if (ins != null)
+            {
+                ids = GetIds(ins.SuperInstallationId);
+            }
+            return ids;
+        }
+
+        /// <summary>
+        /// 根据id获取末级装置id
+        /// </summary>
+        /// <param name="installationId">名称</param>
+        /// <returns></returns>
+        public static string GetEndInstallationId(string installationId)
+        {
+            string id = string.Empty;
+            var ins = Funs.DB.Project_Installation.FirstOrDefault(x => x.SuperInstallationId == installationId);
+            if (ins.IsEnd == true)
+            {
+                id = ins.InstallationId;
+            }
+            else
+            {
+                id = GetEndInstallationId(ins.InstallationId);
+            }
+            return id;
+        }
+
+        private static string GetIds(string installationId)
+        {
+            string ids = string.Empty;
+            var ins = Funs.DB.Project_Installation.FirstOrDefault(x => x.InstallationId == installationId.Split(',')[0]);
+            if (ins != null)
+            {
+                ids = GetIds(ins.SuperInstallationId + "," + installationId);
+            }
+            else
+            {
+                ids = installationId;
+            }
+            return ids;
+        }
+
         /// <summary>
         /// 添加装置
         /// </summary>
@@ -99,6 +151,7 @@ namespace BLL
             newIns.Weights = installation.Weights;
             newIns.WeightsMoney = installation.WeightsMoney;
             newIns.Def = installation.Def;
+            newIns.IsEnd = installation.IsEnd;
 
             db.Project_Installation.InsertOnSubmit(newIns);
             db.SubmitChanges();
@@ -123,6 +176,7 @@ namespace BLL
             newIns.Def = installation.Def;
             newIns.SortIndex = installation.SortIndex;
             newIns.UnitId = installation.UnitId;
+            newIns.IsEnd = installation.IsEnd;
 
             db.SubmitChanges();
         }