# Sanity LINQ **A strongly-typed .Net Client** for [Sanity CMS](https://sanity.io) with support for LINQ queries, mutations, transactions, joins, projections and more... [![Build status](https://oslofjord.visualstudio.com/sanity-linq/_apis/build/status/Build%20sanity-linq)](https://oslofjord.visualstudio.com/sanity-linq/_build/latest?definitionId=118) ## Introduction Sanity CMS is a headless CMS available at https://sanity.io with a powerful query API, file store and CDN. Sanity LINQ was intially developed at [Oslofjord Convention Center](https://oslofjord.com) to facilitate development of .Net projects based on Sanity CMS. Inspiration was drawn from the .Net client provided by [onyboy](https://github.com/onybo) at https://github.com/onybo/sanity-client. The Sanity LINQ client goes beyond providing a simple HTTP client and introduces strongly typed queries, projections, mutations and joins - much in the same way as Entity Framework provides this for SQL. ## Installation Sanity.Linq is available as a NuGet package. **Install using Package Manager:** ``` PM> Install-Package Sanity.Linq ``` **Install using .Net CLI:** ``` > dotnet add package Sanity.Linq ``` ## Getting Started To get started, simply instaniate a new SanityDataContext: ``` csharp var options = new SanityOptions { ProjectId = "#your-project-id#", Dataset = "#your-dataset#", Token = "#your-token#", UseCdn = false }; var sanity = new SanityDataContext(options); ``` ### 1. Basic Queries Start by defining entity classes which match documents in Sanity. > **Alternative 1:** > > POCO Entity with zero dependencies on Sanity Linq. ``` csharp // Example public class Category { // Use of JsonProperty to serialize to Sanity _id field. [JsonProperty("_id")] public string CategoryId { get; set; } // Type field is also required [JsonProperty("_type")] public string DocumentType => "category"; public string Title { get; set; } public string Description { get; set; } } ``` > **Alternative 2:** > > Create a class which inherits SanityDocument. ``` csharp // Example public class Author : SanityDocument { public Author() : base() { } public string Name { get; set; } // etc... } //Example public class Post : SanityDocument { public string Title { get; set; } public DateTimeOffset? PublishedAt { get; set; } // etc... } ``` Next, simply run Linq queries against the SanityDataContext: ``` csharp var posts = sanity.DocumentSet(); var totalNumberOfPosts = await posts.CountAsync(); var publishedToday = await posts.Where(p => p.PublishedAt > DateTime.Today).ToListAsync(); ``` The LINQ queries above are respectively translated to a Sanity GROQ query by Sanity Linq: ``` // Total number of posts: count(*[_type == "post"]) // Published today: *[(_type == "post") && ((publishedAt >= "2018-10-06T00:00:00.0000000+02:00"))] ``` ### 2. Projections LINQ selections are also supported by Sanity Linq: ``` csharp // Returns a list of strings ordered by publish date var postTitles = sanity.DocumentSet() .OrderByDescending(p => p.PublishedAt) .Select(p => p.Title) .ToList(); ``` ### 3. Mutations Mutations such as insert, update and delete can be performed on single documents or on multiple objects using a query! **Insert document:** ``` csharp var author = new Author { Id = Guid.NewGuid().ToString(), Name = "Joe Bloggs", }; await sanity.DocumentSet().Create(author).CommitAsync(); ``` **Update document:** ``` csharp var authors = sanity.DocumentSet(); var author = await authors.GetAsync("some-guid"); author.Name = "William Bloggs"; await authors.Update(author).CommitAsync(); ``` **Delete document:** ``` csharp var authors = sanity.DocumentSet(); // Delete by id await authors.DeleteById("some-guid").CommitAsync(); ``` **Delete multiple documents by query:** ``` csharp var posts = sanity.DocumentSet(); // Delete by query await posts.Where(p => p.Title.Contains("boring")).Delete().CommitAsync(); // Same as above: await posts.DeleteByQuery(p => p.Title.Contains("boring")).CommitAsync(); ``` **Patch document by id:** ``` csharp var posts = sanity.DocumentSet(); // Patch title by id posts.PatchById("some-guid", p => p.Set = new { Title = "New Title" }).CommitAsync(); ``` **Patch document by query:** ``` csharp var posts = sanity.DocumentSet(); // Patch title by query posts.Where(p => p.Title == "").Patch(p => p.Set = new { Title = "Untitled" }).CommitAsync(); // Same as above: posts.PatchByQuery(p => p.Title == "", p => p.Set = new { Title = "Untitled" }).CommitAsync(); ``` ### 4. Transactions - Bulk Mutations The SanityDataContext keeps track of pending mutations, independent of type. To apply multiple mutations in a single transaction, simply wait with calling `CommitAsync()` until all mutations have been applied. The fluent API also allows mutations to be chained. ``` csharp var posts = sanity.DocumentSet(); var authors = sanity.DocumentSet(); // Delete and patch posts posts.DeleteByQuery(p => p.Title == "") .PatchByQuery(p => p, p.LastUpdated = DateTime.Now) // Add authors authors.Create(new Author() { ... }); // Commit all changes await sanity.CommitAsync(); ``` ### 5. Joins The Sanity Linq library includes a helper class `SanityReference` which models the structure of relations in Sanity: ``` csharp // Example: Post related to Author and a list of Categories public class Post : SanityDocument { public string Title { get; set; } public SanityReference Author { get; set; } public SanityImage MainImage { get; set; } public List> Categories { get; set; } } ```` Related documents can be included in query results in several ways. 1. Relations are *automatically* followed by referencing `.Value` in projections: ``` csharp sanity.DocumentSet().Select(p => new { p.Title, p.Author.Value.Name }); ``` 2. The `[Include]` attribute can be placed above the property if it should always be included: ``` csharp [Include] public SanityReference Author { get; set; } [Include] public SanityImage MainImage { get; set; } [Include] public List> Categories { get; set; } ``` > Note that `[Include]` not only works on `SanityReference`, but also lists of references and `SanityImage`. 3. References can also be *selectively* joined, using the `Include()` extension method when querying: ``` csharp await sanity.DocumentSet().Include(p => p.Author).ToListAsync(); ``` ### 6. Files and Images The `SanityDataContext` has two predefined document sets for Files and Images. These document sets can be used to manages Sanity assets: #### Retrieving Files and Images ``` csharp // Get all files and images: var files = await sanity.Files.ToListAsync(); var images = await sanity.Images.ToListAsync(); ``` #### Uploading and Linking Assets The `Files`and `Images` document sets also support uploading new assets, both using a `Stream`or by simply providing a source URL. ``` csharp // Example: upload image and link to new document // Upload new image var imageUri = new Uri("https://www.sanity.io/static/images/opengraph/social.png"); var image = (await sanity.Images.UploadAsync(imageUri)).Document; // Link image to new author var author = new Author() { Name = "Joe Bloggs", Image = new SanityImage { Asset = new SanityReference { Ref = image.Id }, } }; await sanity.DocumentSet().Create(author).CommitAsync(); ``` ### 7. Debugging In order to see the raw GROQ query for a particular LINQ query, simply call `GetSanityQuery()`. ```csharp var groq = sanity.DocumentSet().Where(p => p.PublishedAt >= DateTime.Today).GetSanityQuery(); ``` GROQ queries can be tested directly in the Sanity UI using the Vision plugin: ### 8. Raw Client The `SanityClient` class can be used for making "raw" GROQ requests to Sanity: ```csharp var client = new SanityClient(options); await result = await client.FetchAsync("*[_type == "post"]"); ``` ### 9. Rendering Block Content When you use the block editor in Sanity, it produces a structured array structure that you can use to render the content on any platform you might want. We have provided a class which can help you serialize your content to HTML, or potentially other formats using custom serializers. The `SanityHTmlBuilder` class has several inbuilt serializers, and new serializers can be added for custom Sanity types. `SanityHtmlBuilder` can be accessed in several different ways: ```csharp // Create a stand-alone instance: var builder = new SanityHtmlBuilder(Options); var html = await builder.BuildAsync(myBlockContent); //Block content can be a string, JObject or POCO // Access via existing SanityContext: var sanity = new SanityDataContext(Options); var post = await sanity.DocumentSet().FirstOrDefault(); var result = await sanity.HtmlBuilder.BuildAsync(post.Body); // Use extension method directly on document (using Sanity.Linq.Extensions) var sanity = new SanityDataContext(Options); var post = await sanity.DocumentSet().FirstOrDefault(); var result = await post.Body.ToHtmlAsync(sanity); ``` You can also add your custom serializers to the `SanityHtmlBuilder` ```csharp sanity.HtmlBuilder.AddSerializer("myType", MySerializerFn); // or sanity.AddHtmlSerializer("myType", MySerializerFn); // or builder.AddSerializer("myType", MySerializerFn); ``` The HTML builder supports serializing BlockContent arrays as well as single fields (such as an image field): ```csharp //This will check if the "_type" of the Body field has a serializer in the HtmlBuilder.Serializers dictionary and use it to return html. var html = await htmlBuilder.BuildAsync(post.Body); ... //strongly typed object var html = await post.Body.ToHtmlAsync(sanity); // the whole content var imageTag = await post.MainImage.ToHtmlAsync(sanity); // just a single block ``` ------- ## Contribute Feel free to submit pull-requests to the Sanity LINQ project! ### Licence The Sanity LINQ is available under the [MIT Licence](https://github.com/oslofjord/sanity-linq/blob/master/LICENSE)

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