Usage To get started with GraphQL in your app, please install the plugin first. I'm trying to create a mutation in the graphql playground to create a new Customer, I'm passing the username etc in the query variables, How can I write a mutation to create a new Customer. Queries, A GraphQL query is used to read or fetch values, while a mutation is used to write or post values. Site design / logo 2023 Stack Exchange Inc; user contributions licensed under CC BY-SA. The leading Open-Source Headless CMS. For more on GraphQL queries with Vue click here. If you've generated an API called Document using the interactive strapi generate CLI or the administration panel, your model looks like this: Strapi provides a programmatic API to customize GraphQL, which allows: The extension service provided with the GraphQL plugin exposes functions that can be used to disable operations on Content-Types: Actions can also be disabled at the field level, with the following functions: The following getters can be used to retrieve information about operations allowed on content-types: The following getters can be used to retrieve information about operations allowed on fields: The schema generated by the Content API can be extended by registering an extension. 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 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. The method looks a lot similar to that of the Delete function implemented above except for the data we passed along in this case and the additional two variable added $Title: String! 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. Finally, we call our toEntityResponse to convert our response to the appropriate format before returning the data. Strapi also enables content editors to streamline content delivery (text, images, video, etc.) The GraphQL extension service allows adding new definitions for types, queries, and mutations, replacing resolvers, disabling APIs and fields from APIs, and adding policies, middlewares and authorization. GraphQL was developed internally by Facebook in 2012 before being publicly released in 2015. Strapis API can return responses in both REST or GraphQL. Before filling out the logic, let's pass the following function into the use() method. To simplify and automate the build of the GraphQL schema, we introduced the Shadow CRUD feature. lauriejim changed the title No way to login through GraphQL Add login/register mutation GraphQL Feb 9, 2019 lauriejim added good first issue Good for newcomers severity: low If the issue only affects a very niche base of users and an easily implemented workaround can solve and removed severity: medium If it breaks the basic use of the product . Simply copy and paste the following command line in your terminal to create your first Strapi project. A fully managed platform for your Strapi apps, Integrate Strapi with your favorite tools, Build trustful relations with your customers, Deliver faster digital experiences for your clients, Create and manage content on any platform, Meet the Strapi experts and top contributors, Get paid to share your technical expertise, Strapi user groups to learn, share and collaborate, Learn more about our annual user conference, npx create-strapi-starter graphql-blog next-blog --quickstart, "Maybe the answer is in this article, or not", article(slug: String! You can read more here. Be able to carry out CRUD request using GraphQL, Be able to Create an authentication system in Strapi using GraphQL. Let's define AuthorsArticles type and make sure to add it to AuthorContact type: Now let's create our child resolver to fetch all articles associated with the author: We now have a separate resolver to fetch articles that are associated with the author. Suppose you have created a collection type named idCardVerification. Using API tokens in the the GraphQL playground requires adding the authorization header with your token in the HTTP HEADERS tab: Replace with your API token generated in the Strapi Admin panel. Making statements based on opinion; back them up with references or personal experience. The GraphQL API reference describes queries, mutations and parameters you can use to interact with your API using Strapi's GraphQL plugin. If you've generated an API called Document using the interactive strapi generate CLI or the administration panel, your model looks like this: Strapi provides a programmatic API to customize GraphQL, which allows: The extension service provided with the GraphQL plugin exposes functions that can be used to disable operations on Content-Types: Actions can also be disabled at the field level, with the following functions: The following getters can be used to retrieve information about operations allowed on content-types: The following getters can be used to retrieve information about operations allowed on fields: The schema generated by the Content API can be extended by registering an extension. This configuration file can include a graphql.config object to define specific configurations for the GraphQL plugin (see plugins configuration documentation). Migrating GraphQL resolvers to Strapi v4 requires: The entire logic for Strapi v4 GraphQL resolvers doesnt need to be in the register method of ./src/index.js but it should be referenced from there. Once you have saved the changes to your schema, restart the server and run yarn develop again to make sure the changes are reflected, and run the following query below. You can think of GraphQL Mutations as the equivalent of POST, PUT, PATCH and DELETE requests in REST. When extending the GraphQL schema, the resolversConfig key can be used to define a custom configuration for a resolver, which can include: By default, the authorization of a GraphQL request is handled by the registered authorization strategy that can be either API token or through the Users & Permissions plugin. In a typical REST API-based application, data is fetched from the back end and displayed on the front end. Did I just create a User using Registration mutation above? The context object gives access to: Middlewares can be applied to a GraphQL resolver through the resolversConfig. The authorization can be configured: Policies can be applied to a GraphQL resolver through the resolversConfig. Now we have GraphQL configured and working in our app. Why does Acts not mention the deaths of Peter and Paul? The following code example adds a new MyEnum type definition to Strapi v3: The Strapi v3 code example above should be replaced by the following code in Strapi v4: It's recommended to use the nexus definition instead of raw SDL, but its still possible to use typeDefs to write raw SDL. Let's go a little further by interacting with Strapi GraphQL from an external Vue.js application. After that, the application will redirect to the dashboard. 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. Instead of our resolvers being tied to controllers like they were in Strapi v3, in v4, we call our services directly. Additional resolvers can be customized programmatically using GraphQLs extension service, accessible using strapi.plugin(graphql).service(extension). 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. type (object): allows you to add description, deprecated field or disable the Shadow CRUD feature on a specific type. 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" }. Youll then customize it to suit your needs, in this case with the NextJS Blog Starter. 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. Hello there, welcome to Strapi GraphQL API documentation! You can override an existing controller or create a fully custom one. The following code example adds a new query definition to Strapi v3: In Strapi v4, REST controllers and GraphQL resolvers are not coupled anymore. Fetch/Retrieve a single entry in collection type, Fetch/Retrieve all entries in collection type, Delete/Remove an entry in collection type, https://github.com/kevinadhiguna/strapi-graphql-documentation, https://about.lovia.life/docs/engineering/graphql/strapi-graphql-documentation/, Queries are used to read or fetch values while a mutation is used to write or post values (, Mutations modify data in the data store and returns a value. Clone with Git or checkout with SVN using the repositorys web address. Imagine you want to change a user's email. Programmatically get all GraphQL schemes Questions and Answers Strapi Backend Stun3R May 10, 2021, 10:13am #1 Hi there! Now you see, the response above is packed with lot of data that we do not need. Middlewares directly implemented in resolversConfig can take the GraphQL resolver's parent, args, context and info objects as arguments. * If 'categories' have a parent, the function returns true. ): ArticleEntityResponse. To learn more, see our tips on writing great answers. Now you have the basics. [MyResolverName].middlewares key. After a successful delete, the blog returns null, In order for a user to access any protect route in Strapi, the user needs to be authenticated. In order to interact with the GraphQL server, we either need to write a Query or a Mutation. But in our current starter project, it should look like the image below. across any device. The GraphQL API allows performing queries and mutations to interact with the content-types through Strapi's GraphQL plugin. // Going to be our custom query resolver to get all authors and their details. * change the 'name' attribute of parent with id 1 to 'foobar', define permissions with the Users & Permissions plugin, using GraphQL Armor with Strapi on the forum, Usage with the Users & Permissions plugin, Disable introspection and playground in production, Only disable queries for the Content-Type, Only disable mutations for the Content-Type, Disable a specific action for the Content-Type, Disable specific actions for the Content-Type, Returns whether a content-type is enabled, Returns whether a content-type is disabled, Returns whether queries are enabled on a content-type, Returns whether queries are disabled on a content-type, Returns whether mutations are enabled on a content-type, Returns whether mutations are disabled on a content-type, Returns whether a field has input enabled, Returns whether a field has output enabled, Returns whether a field has filtering enabled.
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