public BlogPostCustom GetBlogPost(string slug)
{
//find blog by slug value
var blogPost = con.BlogPosts.Where(x => x.Slug == slug).FirstOrDefault();
if (blogPost != null)
{
List <string> tags = new List <string>();
//find all tags for the specified blog
var tagIDs = con.BlogPostsTags.Where(t => t.BlogPostId == blogPost.Id).Select(x => x.TagId).ToList();
//add tags for api's customized model
foreach (var tag in tagIDs)
{
var tagy = con.Tags.Find(tag);
tags.Add(tagy.TagName);
}
var blog = new BlogPostCustom.BPCblog
{
slug = slug,
title = blogPost.Title,
description = blogPost.Description,
body = blogPost.Body,
createdAt = blogPost.CreatedAt,
updatedAt = blogPost.UpdatetAt,
tagList = tags
};
var blogModel = new BlogPostCustom();
blogModel.blogPost = blog;
return(blogModel);
}
return(new BlogPostCustom("Post with this slug doesn't exist"));
}
public BlogPostCustom UpdateBlogPost(string slug, UpdatePostCustom model)
{
//find post by slug
var findbySlug = con.BlogPosts.Where(x => x.Slug == slug).FirstOrDefault();
//if post with this slug value doesn't exist or title in the model is not provided
if (findbySlug == null || model.blogPost.title == null)
{
return(new BlogPostCustom("Slug doesn't exist or model title is not provided"));
}
var makeSlug = SlugRefactoring.Refactor(model.blogPost.title);
findbySlug.Title = model.blogPost.title;
findbySlug.Slug = makeSlug;
//if body is provided then change, if not keep its value as it is
if (model.blogPost.body != null)
{
findbySlug.Body = model.blogPost.body;
}
//if description is provided then change, if not keep its value as it is
if (model.blogPost.description != null)
{
findbySlug.Description = model.blogPost.description;
}
//while updating we need to change object update time also.
findbySlug.UpdatetAt = DateTime.Now;
con.SaveChanges();
var tags = new List <string>();
List <int> tagID = con.BlogPostsTags.Where(t => t.BlogPostId == findbySlug.Id).Select(x => x.TagId).ToList();
foreach (var tag in tagID)
{
var tagy = con.Tags.Find(tag);
tags.Add(tagy.TagName);
}
//returns updated custom json object
var customBlog = new BlogPostCustom.BPCblog
{
slug = findbySlug.Slug,
title = findbySlug.Title,
body = findbySlug.Body,
description = findbySlug.Description,
createdAt = findbySlug.CreatedAt,
updatedAt = findbySlug.UpdatetAt,
tagList = tags
};
var blog = new BlogPostCustom();
blog.blogPost = customBlog;
return(blog);
}
public BlogPostCustom AddBlogPost(CreateBlogPostCustom addBlogPost)
{
if (addBlogPost != null)
{
string makeSlugFromTitle = null;
makeSlugFromTitle = SlugRefactoring.Refactor(addBlogPost.blogPost.title);
//if slug already exists in database return an empty object
if (con.BlogPosts.Where(x => x.Slug == makeSlugFromTitle).Any())
{
return(new BlogPostCustom("Object with this slug already exists"));
}
var model = new BlogPost()
{
Slug = makeSlugFromTitle,
Title = addBlogPost.blogPost.title,
Description = addBlogPost.blogPost.description,
Body = addBlogPost.blogPost.body,
CreatedAt = DateTime.Now,
UpdatetAt = DateTime.Now
};
con.Add(model);
con.SaveChanges();
//if new object has tags
if (addBlogPost.blogPost.tagList != null)
{
foreach (var tag in addBlogPost.blogPost.tagList)
{
var newTag = new Tag
{
TagName = tag
};
//if tag doesn't exist in database, add a new tag in a tag table
if (!con.Tags.Where(x => x.TagName == tag).Any())
{
con.Add(newTag);
con.SaveChanges();
}
// if exists, then find id and add in many-to-many table (BlogPostTag)
else
{
newTag.Id = con.Tags.Where(x => x.TagName == tag).FirstOrDefault().Id;
}
var blogtag = new BlogPostTag();
blogtag.BlogPostId = model.Id;
blogtag.TagId = newTag.Id;
con.Add(blogtag);
con.SaveChanges();
}
}
//custom object for json return
var bpc = new BlogPostCustom.BPCblog()
{
title = addBlogPost.blogPost.title,
description = addBlogPost.blogPost.description,
body = addBlogPost.blogPost.body,
slug = makeSlugFromTitle,
createdAt = DateTime.Now,
updatedAt = DateTime.Now,
tagList = addBlogPost.blogPost.tagList
};
var bpcM = new BlogPostCustom()
{
blogPost = bpc
};
return(bpcM);
}
return(new BlogPostCustom("Object provided as a parameter is null"));
}
