)>}]
شركة التطبيقات المتكاملة لتصميم وبرمجة البرمجيات الخاصة ش.ش.و.
Integrated Applications Programming Company
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Public general use code classes and xml files that we've compiled and used over the years:

Miscellaneous Entity Framework class for Optical Fiber Network (OFN) data model.

    1: using System;
    2: using System.Collections.Generic;
    3: using System.Linq;
    4: using System.Text.Json;
    5:  
    6: namespace Ia.Ngn.Cl.Model.Data
    7: {
    8:     ////////////////////////////////////////////////////////////////////////////
    9:  
   10:     /// <summary publish="true">
   11:     /// Miscellaneous Entity Framework class for Optical Fiber Network (OFN) data model.
   12:     /// </summary>
   13:     /// 
   14:     /// <remarks> 
   15:     /// Copyright © 2006-2020 Jasem Y. Al-Shamlan (info@ia.com.kw), Integrated Applications - Kuwait. All Rights Reserved.
   16:     ///
   17:     /// This library is free software: you can redistribute it and/or modify it under the terms of the GNU General Public License as published by
   18:     /// the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
   19:     ///
   20:     /// This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
   21:     /// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
   22:     /// 
   23:     /// You should have received a copy of the GNU General Public License along with this library. If not, see http://www.gnu.org/licenses.
   24:     /// 
   25:     /// Copyright notice: This notice may not be removed or altered from any source distribution.
   26:     /// </remarks> 
   27:     public class Miscellaneous
   28:     {
   29:         /// <summary/>
   30:         public Miscellaneous() { }
   31:  
   32:         ////////////////////////////////////////////////////////////////////////////
   33:  
   34:         /// <summary>
   35:         ///
   36:         /// </summary>
   37:         public static void Create(Ia.Ngn.Cl.Model.Miscellaneous item)
   38:         {
   39:             if (item != null)
   40:             {
   41:                 using (var db = new Ia.Ngn.Cl.Model.Ngn())
   42:                 {
   43:                     item.Created = item.Updated = DateTime.UtcNow.AddHours(3);
   44:  
   45:                     db.Miscellaneous.Add(item);
   46:                     db.SaveChanges();
   47:                 }
   48:             }
   49:             else throw new System.ArgumentOutOfRangeException("item is null");
   50:         }
   51:  
   52:         ////////////////////////////////////////////////////////////////////////////
   53:  
   54:         /// <summary>
   55:         ///
   56:         /// </summary>
   57:         public static void Create(string name, string value)
   58:         {
   59:             Ia.Ngn.Cl.Model.Miscellaneous misc;
   60:  
   61:             if (!string.IsNullOrEmpty(name))
   62:             {
   63:                 misc = new Ia.Ngn.Cl.Model.Miscellaneous
   64:                 {
   65:                     Name = name,
   66:                     Value = value
   67:                 };
   68:  
   69:                 using (var db = new Ia.Ngn.Cl.Model.Ngn())
   70:                 {
   71:                     misc.Created = misc.Updated = DateTime.UtcNow.AddHours(3);
   72:  
   73:                     db.Miscellaneous.Add(misc);
   74:                     db.SaveChanges();
   75:                 }
   76:             }
   77:             else throw new System.ArgumentOutOfRangeException("name is null or empty");
   78:         }
   79:  
   80:         ////////////////////////////////////////////////////////////////////////////
   81:  
   82:         /// <summary>
   83:         ///
   84:         /// </summary>
   85:         public static void Create(string name, bool flag)
   86:         {
   87:             Ia.Ngn.Cl.Model.Miscellaneous misc;
   88:  
   89:             if (!string.IsNullOrEmpty(name))
   90:             {
   91:                 misc = new Ia.Ngn.Cl.Model.Miscellaneous
   92:                 {
   93:                     Name = name,
   94:                     Flag = flag
   95:                 };
   96:  
   97:                 using (var db = new Ia.Ngn.Cl.Model.Ngn())
   98:                 {
   99:                     misc.Created = misc.Updated = DateTime.UtcNow.AddHours(3);
  100:  
  101:                     db.Miscellaneous.Add(misc);
  102:                     db.SaveChanges();
  103:                 }
  104:             }
  105:             else throw new System.ArgumentOutOfRangeException("name is null or empty");
  106:         }
  107:  
  108:         ////////////////////////////////////////////////////////////////////////////
  109:  
  110:         /// <summary>
  111:         ///
  112:         /// </summary>
  113:         public static Ia.Ngn.Cl.Model.Miscellaneous Read(long id)
  114:         {
  115:             Ia.Ngn.Cl.Model.Miscellaneous item;
  116:  
  117:             using (var db = new Ia.Ngn.Cl.Model.Ngn())
  118:             {
  119:                 item = (from m in db.Miscellaneous where m.Id == id select m).SingleOrDefault();
  120:             }
  121:  
  122:             return item;
  123:         }
  124:  
  125:         ////////////////////////////////////////////////////////////////////////////
  126:  
  127:         /// <summary>
  128:         ///
  129:         /// </summary>
  130:         public static string Read(string name)
  131:         {
  132:             string value;
  133:  
  134:             if (!string.IsNullOrEmpty(name))
  135:             {
  136:                 using (var db = new Ia.Ngn.Cl.Model.Ngn())
  137:                 {
  138:                     value = (from m in db.Miscellaneous where m.Name == name select m.Value).SingleOrDefault();
  139:                 }
  140:             }
  141:             else throw new System.ArgumentOutOfRangeException("name is null or empty");
  142:  
  143:             return value;
  144:         }
  145:  
  146:         ////////////////////////////////////////////////////////////////////////////
  147:  
  148:         /// <summary>
  149:         ///
  150:         /// </summary>
  151:         public static T Read<T>(string name)
  152:         {
  153:             string json;
  154:             T t;
  155:  
  156:             if (!string.IsNullOrEmpty(name))
  157:             {
  158:                 using (var db = new Ia.Ngn.Cl.Model.Ngn())
  159:                 {
  160:                     json = (from m in db.Miscellaneous where m.Name == name select m.Value).SingleOrDefault();
  161:  
  162:                     if (json != null) t = JsonSerializer.Deserialize<T>(json);
  163:                     else t = default(T);
  164:                 }
  165:             }
  166:             else throw new System.ArgumentOutOfRangeException("name is null or empty");
  167:  
  168:             return t;
  169:         }
  170:  
  171:         ////////////////////////////////////////////////////////////////////////////
  172:  
  173:         /// <summary>
  174:         ///
  175:         /// </summary>
  176:         public static DateTime ReadUpdatedDateTime(string name)
  177:         {
  178:             DateTime dateTime;
  179:  
  180:             if (!string.IsNullOrEmpty(name))
  181:             {
  182:                 using (var db = new Ia.Ngn.Cl.Model.Ngn())
  183:                 {
  184:                     dateTime = (from m in db.Miscellaneous where m.Name == name select m.Updated).SingleOrDefault();
  185:                 }
  186:             }
  187:             else throw new System.ArgumentOutOfRangeException("name is null or empty");
  188:  
  189:             return dateTime;
  190:         }
  191:  
  192:         ////////////////////////////////////////////////////////////////////////////
  193:  
  194:         /// <summary>
  195:         ///
  196:         /// </summary>
  197:         public static bool ReadFlag(string name)
  198:         {
  199:             bool flag;
  200:  
  201:             if (!string.IsNullOrEmpty(name))
  202:             {
  203:                 using (var db = new Ia.Ngn.Cl.Model.Ngn())
  204:                 {
  205:                     flag = (from m in db.Miscellaneous where m.Name == name select m.Flag).SingleOrDefault();
  206:                 }
  207:             }
  208:             else throw new System.ArgumentOutOfRangeException("name is null or empty");
  209:  
  210:             return flag;
  211:         }
  212:  
  213:         ////////////////////////////////////////////////////////////////////////////
  214:  
  215:         /// <summary>
  216:         ///
  217:         /// </summary>
  218:         public static List<Ia.Ngn.Cl.Model.Miscellaneous> ReadList()
  219:         {
  220:             List<Ia.Ngn.Cl.Model.Miscellaneous> itemList;
  221:  
  222:             using (var db = new Ia.Ngn.Cl.Model.Ngn())
  223:             {
  224:                 itemList = (from m in db.Miscellaneous select m).ToList();
  225:             }
  226:  
  227:             return itemList;
  228:         }
  229:  
  230:         ////////////////////////////////////////////////////////////////////////////
  231:  
  232:         /// <summary>
  233:         ///
  234:         /// </summary>
  235:         public static void Update(Ia.Ngn.Cl.Model.Miscellaneous item)
  236:         {
  237:             if (item != null)
  238:             {
  239:                 using (var db = new Ia.Ngn.Cl.Model.Ngn())
  240:                 {
  241:                     item = (from m in db.Miscellaneous where m.Id == item.Id select m).SingleOrDefault();
  242:  
  243:                     item.Updated = DateTime.UtcNow.AddHours(3);
  244:  
  245:                     db.Miscellaneous.Attach(item);
  246:  
  247:                     db.Entry(item).State = Microsoft.EntityFrameworkCore.EntityState.Modified;
  248:                     db.SaveChanges();
  249:                 }
  250:             }
  251:             else throw new System.ArgumentOutOfRangeException("item is null");
  252:         }
  253:  
  254:         ////////////////////////////////////////////////////////////////////////////
  255:  
  256:         /// <summary>
  257:         ///
  258:         /// </summary>
  259:         public static void CreateOrUpdate(string name, string value)
  260:         {
  261:             Ia.Ngn.Cl.Model.Miscellaneous misc;
  262:  
  263:             if (!string.IsNullOrEmpty(name))
  264:             {
  265:                 using (var db = new Ia.Ngn.Cl.Model.Ngn())
  266:                 {
  267:                     misc = (from m in db.Miscellaneous where m.Name == name select m).SingleOrDefault();
  268:  
  269:                     if (misc == null)
  270:                     {
  271:                         misc = new Ia.Ngn.Cl.Model.Miscellaneous
  272:                         {
  273:                             Name = name,
  274:                             Value = value
  275:                         };
  276:                         misc.Created = misc.Updated = DateTime.UtcNow.AddHours(3);
  277:  
  278:                         db.Miscellaneous.Add(misc);
  279:                     }
  280:                     else
  281:                     {
  282:                         misc.Updated = DateTime.UtcNow.AddHours(3);
  283:  
  284:                         misc.Value = value;
  285:  
  286:                         db.Miscellaneous.Attach(misc);
  287:  
  288:                         db.Entry(misc).State = Microsoft.EntityFrameworkCore.EntityState.Modified;
  289:                     }
  290:  
  291:                     db.SaveChanges();
  292:                 }
  293:             }
  294:             else throw new System.ArgumentOutOfRangeException("name is null or empty");
  295:         }
  296:  
  297:         ////////////////////////////////////////////////////////////////////////////
  298:  
  299:         /// <summary>
  300:         ///
  301:         /// </summary>
  302:         public static void CreateOrUpdate(string name, object value)
  303:         {
  304:             string json;
  305:             Ia.Ngn.Cl.Model.Miscellaneous misc;
  306:  
  307:             if (!string.IsNullOrEmpty(name))
  308:             {
  309:                 var jsonSerializerOptions = new JsonSerializerOptions
  310:                 {
  311:                     WriteIndented = true
  312:                 };
  313:  
  314:                 json = JsonSerializer.Serialize(value, jsonSerializerOptions);
  315:  
  316:                 using (var db = new Ia.Ngn.Cl.Model.Ngn())
  317:                 {
  318:                     misc = (from m in db.Miscellaneous where m.Name == name select m).SingleOrDefault();
  319:  
  320:                     if (misc == null)
  321:                     {
  322:                         misc = new Ia.Ngn.Cl.Model.Miscellaneous
  323:                         {
  324:                             Name = name,
  325:                             Value = json
  326:                         };
  327:                         misc.Created = misc.Updated = DateTime.UtcNow.AddHours(3);
  328:  
  329:                         db.Miscellaneous.Add(misc);
  330:                     }
  331:                     else
  332:                     {
  333:                         misc.Updated = DateTime.UtcNow.AddHours(3);
  334:  
  335:                         misc.Value = json;
  336:  
  337:                         db.Miscellaneous.Attach(misc);
  338:  
  339:                         db.Entry(misc).State = Microsoft.EntityFrameworkCore.EntityState.Modified;
  340:                     }
  341:  
  342:                     db.SaveChanges();
  343:                 }
  344:             }
  345:             else throw new System.ArgumentOutOfRangeException("name is null or empty");
  346:         }
  347:  
  348:         ////////////////////////////////////////////////////////////////////////////
  349:  
  350:         /// <summary>
  351:         ///
  352:         /// </summary>
  353:         public static void CreateOrUpdateFlag(string name, bool flag)
  354:         {
  355:             Ia.Ngn.Cl.Model.Miscellaneous misc;
  356:  
  357:             if (!string.IsNullOrEmpty(name))
  358:             {
  359:                 using (var db = new Ia.Ngn.Cl.Model.Ngn())
  360:                 {
  361:                     misc = (from m in db.Miscellaneous where m.Name == name select m).SingleOrDefault();
  362:  
  363:                     if (misc == null)
  364:                     {
  365:                         misc = new Ia.Ngn.Cl.Model.Miscellaneous
  366:                         {
  367:                             Name = name,
  368:                             Flag = flag
  369:                         };
  370:                         misc.Created = misc.Updated = DateTime.UtcNow.AddHours(3);
  371:  
  372:                         db.Miscellaneous.Add(misc);
  373:                     }
  374:                     else
  375:                     {
  376:                         misc.Updated = DateTime.UtcNow.AddHours(3);
  377:  
  378:                         misc.Flag = flag;
  379:  
  380:                         db.Miscellaneous.Attach(misc);
  381:  
  382:                         db.Entry(misc).State = Microsoft.EntityFrameworkCore.EntityState.Modified;
  383:                     }
  384:  
  385:                     db.SaveChanges();
  386:                 }
  387:             }
  388:             else throw new System.ArgumentOutOfRangeException("name is null or empty");
  389:         }
  390:  
  391:         ////////////////////////////////////////////////////////////////////////////
  392:  
  393:         /// <summary>
  394:         ///
  395:         /// </summary>
  396:         public static void SetFlag(string name)
  397:         {
  398:             CreateOrUpdateFlag(name, true);
  399:         }
  400:  
  401:         ////////////////////////////////////////////////////////////////////////////
  402:  
  403:         /// <summary>
  404:         ///
  405:         /// </summary>
  406:         public static void ResetFlag(string name)
  407:         {
  408:             CreateOrUpdateFlag(name, false);
  409:         }
  410:  
  411:         ////////////////////////////////////////////////////////////////////////////
  412:  
  413:         /// <summary>
  414:         ///
  415:         /// </summary>
  416:         public static void Delete(long id)
  417:         {
  418:             using (var db = new Ia.Ngn.Cl.Model.Ngn())
  419:             {
  420:                 var v = (from m in db.Miscellaneous where m.Id == id select m).FirstOrDefault();
  421:  
  422:                 db.Miscellaneous.Remove(v);
  423:                 db.SaveChanges();
  424:             }
  425:         }
  426:  
  427:         ////////////////////////////////////////////////////////////////////////////
  428:         ////////////////////////////////////////////////////////////////////////////
  429:     }
  430:  
  431:     ////////////////////////////////////////////////////////////////////////////
  432:     ////////////////////////////////////////////////////////////////////////////
  433: }