public AdvanceKnowledgeResponse.GetAdvanceKnowledge GetAdvanceKnowledge(int id)
{
bool operate = true;
AdvanceKnowledge advanceKnowledge = db.AdvanceKnowledges.Find(id);
if (advanceKnowledge == null)
{
operate = false;
}
List <AdvanceKonwledgeAndResource> advanceKonwledgeAndResources = db.AdvanceKonwledgeAndResources.Where(
delegate(AdvanceKonwledgeAndResource advanceKonwledgeAndResource)
{
if (advanceKonwledgeAndResource.id == id)
{
return(true);
}
else
{
return(false);
}
}
).ToList();
List <Resource> resources = new List <Resource>();
foreach (var item in advanceKonwledgeAndResources)
{
resources.Add(db.Resources.Find(item.resourceid));
}
return(new AdvanceKnowledgeResponse.GetAdvanceKnowledge()
{
advanceKnowledge = advanceKnowledge, resources = resources, operate = operate
});
}
public ActionResult Edit([Bind(Include = "id,key,imageaddress,description,context")] AdvanceKnowledge advanceKnowledge)
{
if (ModelState.IsValid)
{
advanceKnowledgeService.ModifyAdvanceKnowledge(advanceKnowledge);
return(RedirectToAction("Index"));
}
return(View(advanceKnowledge));
}
public bool ModifyAdvanceKnowledge(AdvanceKnowledge advanceKnowledge)
{
db.Entry(advanceKnowledge).State = EntityState.Modified;
int count = db.SaveChanges();
if (count != 0)
{
return(true);
}
return(false);
}
public bool AddAdvanceKnowledge(AdvanceKnowledge advanceKnowledge)
{
db.AdvanceKnowledges.Add(advanceKnowledge);
int count = db.SaveChanges();
if (count != 0)
{
return(true);
}
return(false);
}
public bool RemoveAdvanceKnowledge(int id)
{
AdvanceKnowledge advanceKnowledge = db.AdvanceKnowledges.Find(id);
db.AdvanceKnowledges.Remove(advanceKnowledge);
int count = db.SaveChanges();
if (count != 0)
{
return(true);
}
return(false);
}
// GET: AdvanceKnowledges/Delete/5
public ActionResult Delete(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
AdvanceKnowledge advanceKnowledge = advanceKnowledgeService.GetAdvanceKnowledge(id);
if (advanceKnowledge == null)
{
return(HttpNotFound());
}
return(View(advanceKnowledge));
}
public MainResponse.DefaultResponse DeleteAdvanceKnowledge(int id)
{
bool operate = false;
AdvanceKnowledge advanceKnowledge = db.AdvanceKnowledges.Find(id);
if (advanceKnowledge != null)
{
//查询到进阶知识相关资源
IEnumerable <AdvanceKonwledgeAndResource> advanceKonwledgeAndResources = db.AdvanceKonwledgeAndResources.Where(
delegate(AdvanceKonwledgeAndResource advanceKonwledgeAndResource)
{
if (advanceKonwledgeAndResource.id == id)
{
return(true);
}
else
{
return(false);
}
}
).ToList();
//删除相关资源
List <Resource> resources = new List <Resource>();
foreach (var item in advanceKonwledgeAndResources)
{
Resource resource = db.Resources.Find(item.resourceid);
{
if (resource != null)
{
resources.Remove(resource);
}
}
}
db.Resources.RemoveRange(resources);
//删除进阶资源相关资源连接
db.AdvanceKonwledgeAndResources.RemoveRange(advanceKonwledgeAndResources);
//删除进阶知识
db.AdvanceKnowledges.Remove(advanceKnowledge);
int count = db.SaveChanges();
if (count != 0)
{
operate = true;
}
}
return(new MainResponse.DefaultResponse()
{
operate = operate
});
}
// GET: AdvanceKnowledges/Details/5
public ActionResult Details(int?id)
{
if (id == null)
{
return(new HttpStatusCodeResult(HttpStatusCode.BadRequest));
}
AdvanceKnowledge advanceKnowledge = advanceKnowledgeService.GetAdvanceKnowledge(id);
if (advanceKnowledge == null)
{
return(HttpNotFound());
}
var resources = advanceKnowledgeService.GetRelevantResource(id);
ViewBag.Konwledge = resources;
return(View(advanceKnowledge));
}
public MainResponse.DefaultResponse ModifyAdvanceKnowledge(AdvanceKnowledge advanceKnowledge)
{
bool operate = false;
if (AdvanceKnowledgeExists(advanceKnowledge.id))
{
db.Entry(advanceKnowledge).State = EntityState.Modified;
int count = db.SaveChanges();
if (count != 0)
{
operate = true;
}
}
return(new MainResponse.DefaultResponse()
{
operate = operate
});
}
