The following documentation provides use case examples of transforming Strapi v3 code to Strapi v4 code that uses the GraphQL extension service. kevinadhiguna/strapi-graphql-documentation - Github You can override an existing controller or create a fully custom one. Create a User? The object describing the extension accepts the following parameters: You can extend the types using Nexusor do it via typeDefs using GraphQL SDL; this is the approach we are going to take here since we can write a whole article on using Nexus. v3/v4 Strapi GraphQl Resolvers Usually you need to sign up or register before being recognized as a user then perform authorized requests. To use the GraphQL API, install the GraphQL plugin. [MyResolverName].middlewares key. Next, type the following query to validate that you can retrieve articles: By default, the Strapi GraphQL plugin has Shadow CRUD enabled, a useful feature eliminating the need to specify any definitions, queries, mutations, or anything else. How GraphQL helps solve this problem and how implementing GraphQL in Strapi is even easier than we think. Making statements based on opinion; back them up with references or personal experience. Otherwise this will not be attached to your entry. GraphQL Mutations to insert data | GraphQL Tutorial - Hasura one or more moons orbitting around a double planet system. Example: Response formats for queries and mutations with an example 'Article' content-type, Example query: Find all documents and populate 'categories' relation with the 'name' attribute, Example request: Sorting on title by ascending order, Example request: Sorting on title by descending order, Example request: Sorting on title by ascending order, then on price by descending order, queries and mutations that return information for a single entry mainly use a, queries and mutations that return information for multiple entries mainly use a. By default, the Strapi GraphQL plugin has Shadow CRUD enabled, a useful feature eliminating the need to specify any definitions, queries, mutations, or anything else. The Title and Body are corresponding fields in the Blog collection. I hope that you found this tutorial helpful. Allow option to set publicationState in graphql mutation #8507 - Github Responses are unified with the GraphQL API in that: Responses can also include an error (see error handling documentation). We use Mutations for update features too. // Going to be our custom query resolver to get all authors and their details. GraphQL | Strapi Documentation We will install it via command-line, so run the below command: 1 yarn strapi install graphql Strapi will install the dependency and rebuild the admin UI. This extension, defined either as an object or a function returning an object, will be used by the use() function exposed by the extension service provided with the GraphQL plugin. If we query the article via the slug, it will not work because our current resolver does not yet support this functionality. To retrieve a specific user inside User collection type, you can make use of this query : If you want to get all users in your Strapi app, this is the query you are looking for : You do not have to pass any variables but you may need to attach JWT in your headers (depends on your Strapi app's roles & permissions). By default Strapi create REST endpoints for each of your content-types. For each model, the GraphQL plugin auto-generates queries and mutations that mimics basic CRUD operations (findMany, findOne, create, update, delete). For more on GraphQL queries with Vue click here. // Disable the 'find' operation on the 'restaurant' content-type in the 'restaurant' API, // Disable the 'name' field on the 'document' content-type in the 'document' API. The code below is a basic GraphQL query to fetch all Blogs from our Strapi backend. You can manually restart the server to make sure the GraphQL plugin is fully initializedyou can do this from the terminal as before: Once the server has restarted, you can test your new GraphQL API by opening the GraphQL playground: localhost:1337/graphql. Before returning our data, we transform our response to match our AuthorContact types definition to be returned in our GraphQl response. To learn more, see our tips on writing great answers. To query a single category, which is done with the Query.category handler, the request is allowed if the the findOne permission is given. The GraphQL Playground has an inbuilt text editor for you to enter your GraphQL commands, a play button for you to run your code and a screen to display the return values, error or success message. Product. Previously, we created a new user. For this example, we will overide our article query to allow us to to use a slug instead of an id to query our data. Results can be paginated either by page or by offset. GraphQL APIs are inherently prone to security risks, such as credential leakage and denial of service attacks, that can be reduced by taking appropriate precautions. To get started with GraphQL in your application, please install the plugin first. Plugins configuration are defined in the config/plugins.js file. In order to sign up as a new user who can perform authorized requests on a Strapi GraphQL backend, a mutation is written in the playground. The GraphQL API reference describes queries, mutations and parameters you can use to interact with your API using Strapi's GraphQL plugin. The default and maximum values for pagination[limit] can be configured in the ./config/plugins.js file with the graphql.config.defaultLimit and graphql.config.maxLimit keys. CRUD operations with GraphQL on Strapi // Custom query resolver to get all authors and their details. In the quest to solve this, GraphQL was born. The business logic is implemented in services and called either from the controller or the resolver. This configuration file can include a graphql.config object to define specific configurations for the GraphQL plugin (see plugins configuration documentation). The implementation of the mutations also supports relational attributes. To perform authorized requests, you must first get a JWT: Then on each request, send along an Authorization header in the form of { "Authorization": "Bearer YOUR_JWT_GOES_HERE" }. Let's start with a simple example to learn how to query an article via slug instead of an id. How to udpate an entry in graphql using variables, GraphQL error: Cannot query field 'mutation_name' on type 'Mutation', GraphQL Mutation for User SignUp not working with jwt. id: String; query {user (id . Strapi GraphQL Queries and Mutations Documentation Also, I believe you are missing "input:" & "data:". Content Discovery initiative April 13 update: Related questions using a Review our technical responses for the 2023 Developer Survey. lets go ahead and create a new post to see our form in action, After creating the new post, you can find it in the home page like so. To explore the wonders of GraphQL in Strapi, we need a Strapi project to test. In the JavaScript section of your component, add the following after the data function. Apollo Server options can be set with the graphql.config.apolloServer configuration object. As our project is using Strapi v4, we had to learn how to create such queries, compared to v3. To get started, we need to create a Vue.js application. Notice that variables in the GraphQl mutation is an object not a function like we have in the query earlier. To get all the files uploaded to database within your Strapi app, here is the query : Unfortunately, currently Strapi does not provide a query to fetch a single file. Add login/register mutation GraphQL Issue #2546 strapi/strapi Implementation of this in the graphql-js repository was incredibly easy with little to none side effects, except for a string check on a resolveSubQueries which is a function shared between query and mutation, a proper fix would separate the execution trees of mutation and queries. Then save. Let's now look at how we can create a custom GraphQL query resolver from scratch. It automatically generates the type definitions, queries, mutations and resolvers based on your models. Strapi - GraphQL API queries and mutations GitHub To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Notice the Nav.vue component. Here is a mutation that might do the task : Place the user ID of the user you want to remove as a variable : Note : Please carefully control which roles are able to conduct delete operation as it is sensitive. Be able to run GraphQL queries and Mutations using the Strapi playground, and within a Vue.js application using Apollo. You can create it using the following Vue CLI command: Make sure you have the Vue CLI installed globally. First, let's refactor our previous code by removing the articles reference in AuthorContact: Now let's remove the populate argument that we are passing here: Now, let's do things the right way and create a child resolver to fetch articles associated with the author instead. But now you should be able to open and close the Edit form modal, You should also be able to Edit post and save like so, Thus far, we have covered Reading, Editing and Deleting post from our GraphQL server. How to Extend and Build Custom Resolvers with Strapi v4 - Medium In order to interact with the GraphQL server, we either need to write a Query or a Mutation . Strapi GraphQL - how to return media library object, Can't upload a file to Strapi using GraphQL and Apollo. While Strapi's own documentation is good for adding GraphQL support, it also confusing what customizations are available when somebody wants to use GraphQL. Otherwise, just replace those fields with yours. With the GraphQL plugin, you will be able to add a GraphQL endpoint to fetch and mutate your content. A Marketplace of plugins to add features or integrations. Code migration - GraphQL resolvers - Strapi Developer Docs (performance hit vs code bloat?) Let's define configurations to allow us public access when making the request. In Strapi v4, its not recommended to reference a REST controller directly from the GraphQL resolver. In recent years, there has been a consistent rise in demand for headless solutions, from e-commerce to content management. This contains some of queries and mutations that hopefully helps you if you are using GraphQL API in your Strapi project :). This can be set in the HTTP Headers section of your GraphQL Playground. Start by creating a brand-new project: Next, validate that the Strapi installation worked correctly by running: Strapi will require you to generate an admin account on the initial run, like so: Next, you should be able to see your Strapi admin fully set up in the context of blog: This starter should have GraphQL installed by default, If not. To change how the authorization is configured, use the resolver configuration defined at resolversConfig.[MyResolverName]. We need a new router and a new component for this feature. For instance, if a 'Category' content-type exists and is queried through GraphQL with the Query.categories handler, the request is allowed if the appropriate find permission for the 'Categories' content-type is given. ): ArticleEntityResponse. An introduction to Strapi | Architecting Vue.js 3 Enterprise-Ready Web As you can see, Strapi provides a highly flexible environment that can be used to create a fully functional content API in minutes. We need to write a query for this. GraphQL is a query language for your API and a server-side runtime for executing queries using a type system you define for your data. By clicking Accept all cookies, you agree Stack Exchange can store cookies on your device and disclose information in accordance with our Cookie Policy. Simply copy and paste the following command line in your terminal to create your first Strapi project. You should see a new user is created in the Users collection type in your Strapi admin panel. After saving, we should have a newly created Collection Type of Blog. Internationalization (i18n) - Strapi Developer Docs Simply copy and paste the following command line in your terminal to create your first Strapi project. Queries in GraphQL are used to fetch data without modifying it. To use API tokens for authentication, pass the token in the Authorization header using the format Bearer your-api-token. In our code, add this snippet: This query specifies the query name the parameters will take; in this case: Now in our GraphQl playground we should be able to pass a slug instead of an id in our article query: However, if you attempt to run your query right now, it will not work. In your Main.js add a new route to the already existing. The maximum number of items returned by the response is limited to 100 by default. This makes perfect sense since youve only specified the new query type you want to override, but not how to resolve that query and return data. Guide to Building Rest APIs with Strapi - stackabuse.com However you are sending a request to a collection type and are trying to attach images in a sngle record inside the collection type. The default and maximum values for pagination[limit] can be configured in the ./config/plugins.js file with the graphql.config.defaultLimit and graphql.config.maxLimit keys. Does a password policy with a restriction of repeated characters increase security? For easier understanding you can think of it as GET request and POST request where Query is used to make GET request and Mutation to make POST request. Results can be paginated either by page or by offset. Unlike Strapi v3, where we wrote our custom resolvers in the schema.graphql.js file, things in v4 look slightly different. For each model, the plugin auto-generates queries and mutations which just fit to your needs. Mutation (object): lets you define custom resolver, policies for a mutation.