43abce034e
Replace fmt/errors/strings/encoding/json/os/os/exec/path/filepath with
core primitives; rename abbreviated variables; add Ugly test variants to
all test files; rename integration tests to TestFilename_Function_{Good,Bad,Ugly}.
Co-Authored-By: Virgil <virgil@lethean.io>
63 lines
1.8 KiB
Go
63 lines
1.8 KiB
Go
// SPDX-License-Identifier: EUPL-1.2
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package api
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import (
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"net/http"
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"github.com/99designs/gqlgen/graphql"
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"github.com/99designs/gqlgen/graphql/handler"
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"github.com/99designs/gqlgen/graphql/playground"
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"github.com/gin-gonic/gin"
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)
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// defaultGraphQLPath is the URL path where the GraphQL endpoint is mounted.
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const defaultGraphQLPath = "/graphql"
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// graphqlConfig holds configuration for the GraphQL endpoint.
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type graphqlConfig struct {
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schema graphql.ExecutableSchema
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path string
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playground bool
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}
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// GraphQLOption configures a GraphQL endpoint.
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type GraphQLOption func(*graphqlConfig)
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// WithPlayground enables the GraphQL Playground UI at {path}/playground.
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func WithPlayground() GraphQLOption {
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return func(config *graphqlConfig) {
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config.playground = true
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}
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}
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// WithGraphQLPath sets a custom URL path for the GraphQL endpoint.
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// The default path is "/graphql".
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func WithGraphQLPath(path string) GraphQLOption {
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return func(config *graphqlConfig) {
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config.path = path
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}
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}
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// mountGraphQL registers the GraphQL handler and optional playground on the Gin engine.
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func mountGraphQL(router *gin.Engine, config *graphqlConfig) {
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graphqlServer := handler.NewDefaultServer(config.schema)
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graphqlHandler := gin.WrapH(graphqlServer)
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// Mount the GraphQL endpoint for all HTTP methods (POST for queries/mutations,
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// GET for playground redirects and introspection).
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router.Any(config.path, graphqlHandler)
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if config.playground {
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playgroundPath := config.path + "/playground"
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playgroundHandler := playground.Handler("GraphQL", config.path)
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router.GET(playgroundPath, wrapHTTPHandler(playgroundHandler))
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}
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}
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// wrapHTTPHandler adapts a standard http.Handler to a Gin handler function.
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func wrapHTTPHandler(handler http.Handler) gin.HandlerFunc {
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return func(c *gin.Context) {
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handler.ServeHTTP(c.Writer, c.Request)
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}
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}
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