Open Platform blog code snippets

gistfile1.hpp

//Get all users over the ages of 18
var adults = users.Where(u => u.Age > 18);

gistfile2.cs

//Get 20 users over the age of 18, ordered 
//by name, skipping the first 10
var someAdults = users
    .Where(u => u.Age > 18)
    .OrderBy(u => u.Name)
    .Skip(10)
    .Take(20);

gistfile3.cs

//Get a breakdown of number of users by department
var usersByDepartment = users
    .GroupBy(u => u.Department) //group the users by department
    .Select(g => new{
                        Department = g.Key, 
                        Count = g.Count()
                    });

gistfile4.cs

//Run a simple content search
var op = new OpenPlatformSearch();
var searchParams = new ContentSearchParameters {Query = "Fats Domino"};
var results = op.Search(searchParams);
foreach(Content c in results.Results)
{
    Debug.WriteLine(c.ApiUrl);
}

//Run a simple tag search
var tagParams = new TagSearchParameters {Query="music"};
var tags = op.Tags(tagParams);
foreach (Tag t in tags.Tags)
{
    Debug.WriteLine(t.Type);
}

//Fetch an item of content by id
var item = op.Item(344089365);
Debug.Write(item.Headline);

//each piece of content has a collection of tags
foreach (Tag t in item.TaggedWith)
{
    Debug.WriteLine(t.Name);
}

gistfile5.cs

var op = new OpenPlatformSearch();
var date = DateTime.Today.AddDays(-7.0);
var results = op.Search(new ContentSearchParameters
{
    After = date,
    Count = 100, //there will be fewer results than this
                 //we just want to bring them all back
    Filters = new List<string> 
    { 
        "/music"
    }
});

gistfile6.cs

//These are the tags which match with music types
Tag PopAndRock=new Tag{Filter="/music/popandrock"};
Tag Classical=new Tag{Filter="/music/classicalmusicandopera"};
Tag Electronic=new Tag{Filter="/music/electronicmusic"};
Tag Urban=new Tag{Filter="/music/urban"};
Tag Folk=new Tag{Filter="/music/folk"};
Tag WorldMusic=new Tag{Filter="/music/worldmusic"};
Tag[] MusicTypes=new[]
{
    PopAndRock, Classical, Electronic, Urban, Folk, WorldMusic
};

//filter the results to get the ones which 
//are tagged with the musicType tags
var filtered=results.Results
    .Where(c => c.TaggedWith
        .Intersect(MusicTypes).Any());

gistfile7.cs

//group the results by day with a 
//new collection for each music type
var grouped = filtered.GroupBy(c => c.PublicationDate)
    .OrderBy(g => g.Key) //g.Key is the publication date, sort by this
    .Select(g => new MusicModel //transform the results 
    {
        Day = g.Key,
        PopAndRock = g.Where(c => c.TaggedWith.Contains(PopAndRock)), //The Pop and Rock articles
        Classical = g.Where(c => c.TaggedWith.Contains(Classical)),
        Electronic = g.Where(c => c.TaggedWith.Contains(Electronic)),
        Urban = g.Where(c => c.TaggedWith.Contains(Urban)),
        Folk = g.Where(c => c.TaggedWith.Contains(Folk)),
        WorldMusic = g.Where(c => c.TaggedWith.Contains(WorldMusic)),
        All = g
    });