protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
byte[] blob = new byte[] { };
string ContentType = string.Empty;
BlogEntities be = new BlogEntities();
try
{
if (Request.QueryString["id"] != null)
{
int bid = Convert.ToInt16(Request.QueryString["id"]);
if (bid > 0)
{
Response.ContentType = BlogManager.getMimeType(bid);
blob = BlogManager.getBlob(bid);
Response.OutputStream.Write(blob, 0, blob.Length);
//Response.BinaryWrite(blob);
Response.End();
}
}
}
catch (Exception ex)
{
Response.Write(ex.Message);
}
}
}
/*************************************************************
* @type: gets connection string
* @usage: we will must provide the connection name to get the connection string
* @return: string
*
**************************************************************/
public static byte[] getBlob(int bid)
{
byte[] blob = new byte[] { };
List<byte[]> qry;
try
{
using (BlogEntities be = new BlogEntities())
{
qry = (from vid in be.binaries
where vid.binID == bid
select vid.Content).ToList();
blob = qry.First();
//foreach (byte[] m in qry)
//{
// blob = m;
//}
}
}
catch
{
throw new UnableToAccessVideo();
}
return blob;
}
private DataTable retVideo(object id)
{
DataTable dt = new DataTable();
BlogEntities be= new BlogEntities();
var qry = (from q in be.binaries
where q.binID == (int)id
select q).ToList();
foreach (var item in qry)
{
//TO BE CONTINUED...
}
return dt;
}
/*************************************************************
* @type: file upload
* @usage: this will be used on the next stage of my project
* @return: returns true if everything is successful
*
**************************************************************/
public bool UploadVideo(FileUpload fu)
{
bool rtn = false;
try
{
if (fu.PostedFile != null && fu.PostedFile.FileName != string.Empty)
{
using (BlogEntities be = new BlogEntities())
{
byte[] blob = new byte[fu.PostedFile.ContentLength];
Stream fill = fu.FileContent;
fill.Read(blob, 0, fu.PostedFile.ContentLength);
video vinit = video.Createvideo(be.posts.Max(i => i.post_id) + 1, fu.PostedFile.FileName, blob, be.posts.Max(i => i.post_id) + 1, DateTime.Now);
be.AddTovideos(vinit);
be.SaveChanges();
}
rtn = true;
}
else
{
throw new UnableToUploadFile();
}
}
catch
{
throw new UnableToAddObject();
}
return rtn;
}
/*************************************************************
* @type: file upload
* @usage: this will be used on the next stage of my project
* @return: returns true if everything is successful
*
**************************************************************/
public bool Upload(FileUpload fu)
{
bool rtn = false;
try
{
if (fu.PostedFile != null && fu.PostedFile.FileName != string.Empty)
{
using (BlogEntities be = new BlogEntities())
{
byte[] blob = new byte[fu.PostedFile.ContentLength];
Stream fill = fu.FileContent;
fill.Read(blob, 0, fu.PostedFile.ContentLength);
be.AddTobinaries(binary.Createbinary(DateTime.Now, fu.FileName, blob, fu.PostedFile.ContentType, be.binaries.Max(i => i.binID) + 1));
be.SaveChanges();
}
rtn = true;
}
}
catch
{
throw new UnableToAddObject();
}
return rtn;
}
/*************************************************************
* @type: method
* @usage: initializes the properties
* @return: it will return a string which contains the div that will be displayed on the blog.
*
**************************************************************/
public string[] PrintBlogEntry(string categoryId, bool partial = false)
{
int i = 0;
string blogtitle = string.Empty;
string blogcontent = string.Empty;
string[] sb = new string[] { };
try
{
using (BlogEntities be = new BlogEntities())
{
var bcontent = from z in be.posts
where z.cat_id.Equals(categoryId)
select z;
blogDiv(bcontent, ref sb, partial);
}
}
catch
{
throw new UnableToAccessBlogEntry();
}
return sb;
}
/*************************************************************
* @type: this is used for my search algorithm to find a specific string and if one is not provided it will sort the output.
* @usage: takes in a search string, category, type of sort required and if you would like to get part of a blog or the whole thing.
* @return: it will return a string which contains the div that will be displayed on the blog.
*
**************************************************************/
public string[] printBlogAndSort(string search, string category, string sortType, bool partial = false)
{
string[] sb = new string[] { };
IQueryable<post> qry;
try
{
using (BlogEntities be = new BlogEntities())
{
if (sortType == "Date")
{
if (search == string.Empty)
{
qry = from p in be.posts
orderby p.created
where p.cat_id.Contains(category)
select p;
}
else
{
DateTime date = DateTime.Parse(search);
qry = from p in be.posts
orderby p.created
where p.cat_id.Contains(category) && p.created.Day == date.Day && p.created.Month == date.Month
select p;
}
}
else
{
if (search == string.Empty)
{
qry = from p in be.posts
orderby p.title
where p.cat_id.Contains(category)
select p;
}
else
{
qry = from p in be.posts
orderby p.title
where p.cat_id.Contains(category) && p.title.ToLower() == search.ToLower()
select p;
}
}
blogDiv(qry, ref sb, partial);
}
}
catch
{
throw new UnableToSearchData();
}
return sb;
}
/*************************************************************
* @type: Print an array of articles by searching linq query for post id
* @usage: just pass in a post_id
* @return: it will return a string which contains the div that will be displayed on the blog.
*
**************************************************************/
public string[] PrintArticle(int post_id)
{
string[] strb = new string[] { };
StringBuilder sb = new StringBuilder();
try
{
using (BlogEntities be = new BlogEntities())
{
IQueryable<post> qry = from z in be.posts
where z.post_id == post_id
select z;
blogDiv(qry, ref strb, false);
}
}
catch
{
throw new UnableToAccessBlogEntry();
}
return strb;
}
/*************************************************************
* @type: gets a commment entry to database using entities
* @usage: we will must provide the post id to get the database comments related to that comment
* @return: returns the comments for the article.
*
**************************************************************/
public string getComments(int post_id)
{
//string[] sb = new string[] { };
string str = string.Empty;
try
{
using (BlogEntities be = new BlogEntities())
{
var bcomments = from p in be.posts
join c in be.Comments
on p.post_id equals c.post_id
where c.post_id == post_id
select c;
foreach (var x in bcomments)
{
str += "<div class='blogentry'><div class='socMedia'></div><div class='blogMedia'><p>" + x.comment1 +
"</p><h5>Edited By:" + x.author + "</h3>Date Added:" + x.date.ToString() + "</div><br /><br />";
}
}
}
catch
{
throw new UnableToAccessBlogEntry();
}
return str;
}
/*************************************************************
* @type: adds a comment entry to database using entities
* @usage: we will must provide he arguments to insert into the database
* @return: returns nothing
*
**************************************************************/
public void AddComment(string content, int post_id, string user, DateTime date)
{
try
{
if (!string.IsNullOrEmpty(content) && !string.IsNullOrEmpty(user) && !post_id.Equals(0))
{
StringBuilder cstr = new StringBuilder();
BlogEntities ice = new BlogEntities();
var nl = Environment.NewLine;
//var qry = ice.Comments.Select(x => x.comment_id).ToList().Max();
//int num = int.Parse(qry.Substring(1, 1)) + 1;
string pk = "a" + ice.Comments.Count()+1;
ice.AddToComments(Comment.CreateComment(pk, content, post_id, user, date));
ice.SaveChanges();
}
}
catch
{
throw new UnableToAddObject();
}
#region DIRTY CODE LINQ
/*
*
*
var qry = from x in source.Foo
where x.SomeProp == "abc"
select x.Bar;
var qry = source.Foo.Where(x => x.SomeProp == "abc").Select(x => x.Bar);
*
*
*
*
*
IQueryable<string> comID= from cid in ice.Comments
where
*
* StringBuilder ccomment = new StringBuilder();
BlogEntitiesModel.BlogEntities bec = new BlogEntitiesModel.BlogEntities();
IQueryable<string> bcomments = from p in bec.posts
join c in bec.Comments
on p.post_id equals c.post_id
select c.comment1;
IQueryable<string> bcauth = from p in bec.posts
join c in bec.Comments
on p.post_id equals c.post_id
select p.author;
foreach (var prtComm in bcomments) {
ccomment.Append(prtComm+nl);
}
foreach (var prtcauth in bcauth)
{
ccomment.Append(prtcauth+nl);
}
*/
#endregion
}
/*************************************************************
* @type: adds a blog entry to database using entities
* @usage: we will must provide he arguments to insert into the database
* @return: returns nothing
*
**************************************************************/
public bool AddBlogEntry(string title, string user, string content, string cat = "WEPHONE")
{
bool added = false;
try
{
if (!string.IsNullOrEmpty(cat) && !string.IsNullOrEmpty(content))
{
using (BlogEntities be = new BlogEntities())
{ //This is auto increment using linq
post pt = post.Createpost(be.posts.Max(i => i.post_id) + 1, user, title, content, DateTime.Now);
pt.comments = false;
pt.cat_id = cat;
if (pt != null) added = true;
//var be = new BlogEntry();
be.AddToposts(pt);
be.SaveChanges();
}
}
}
catch
{
throw new UnableToAddObject();
}
return added;
}
public static IQueryable<video> getVideoIdByName(string tit)
{
BlogEntities be = new BlogEntities();
IQueryable<video> qry;
try
{
qry = from vid in be.videos
where vid.Title.Contains(tit)
select vid;
}
catch
{
throw new UnableToAccessVideo();
}
return qry;
}
public static byte[] getVideoBlob(int bid)
{
byte[] blob = new byte[] { };
try
{
BlogEntities be = new BlogEntities();
List<byte[]> qry = (from vid in be.videos
where vid.videoID == bid
select vid.Content).ToList();
blob = qry.First();
//foreach (var m in qry)
//{
// blob = m.Content;
//}
}
catch
{
throw new UnableToAccessVideo();
}
return blob;
}
public static string getMimeType(int bid)
{
string ContentType = string.Empty;
BlogEntities be = new BlogEntities();
try
{
IQueryable<binary> qry = from vid in be.binaries
where vid.binID == bid
select vid;
foreach (var m in qry)
{
ContentType = m.MimeType;
}
}
catch
{
throw new UnableToAccessImage();
}
return ContentType;
}
public void getBlogEntry()
{
var x = new BlogEntities();
x.posts.Select(z => z.cat_id == "WEPHONE");
}
