62 lines
1.7 KiB
Go
62 lines
1.7 KiB
Go
package main
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import (
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"database/sql"
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"log"
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"net/http"
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"git.squidspirit.com/squid/blog.git/backend/internal/adapter/repository"
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"git.squidspirit.com/squid/blog.git/backend/internal/application"
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"git.squidspirit.com/squid/blog.git/backend/internal/framework/api/graph"
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"git.squidspirit.com/squid/blog.git/backend/internal/framework/db/postgres"
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"git.squidspirit.com/squid/blog.git/backend/internal/pkg/env"
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"github.com/99designs/gqlgen/graphql/handler"
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"github.com/99designs/gqlgen/graphql/handler/extension"
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"github.com/99designs/gqlgen/graphql/handler/lru"
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"github.com/99designs/gqlgen/graphql/handler/transport"
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"github.com/99designs/gqlgen/graphql/playground"
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_ "github.com/lib/pq"
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"github.com/vektah/gqlparser/v2/ast"
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)
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func main() {
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db, err := postgres.Connect(env.GetDSN())
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if err != nil {
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log.Fatal(err)
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}
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initGraphqlHandler(createResolver(db))
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port := env.GetPort()
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log.Printf("connect to http://localhost:%s/ for GraphQL playground", port)
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log.Fatal(http.ListenAndServe(":"+port, nil))
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}
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func initGraphqlHandler(resolver *graph.Resolver) *handler.Server {
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srv := handler.New(graph.NewExecutableSchema(graph.Config{Resolvers: resolver}))
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srv.AddTransport(transport.Options{})
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srv.AddTransport(transport.GET{})
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srv.AddTransport(transport.POST{})
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srv.SetQueryCache(lru.New[*ast.QueryDocument](1000))
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srv.Use(extension.Introspection{})
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srv.Use(extension.AutomaticPersistedQuery{
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Cache: lru.New[string](100),
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})
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http.Handle("/", playground.Handler("GraphQL playground", "/query"))
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http.Handle("/query", srv)
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return srv
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}
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func createResolver(db *sql.DB) *graph.Resolver {
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postRepo := repository.NewPostRepo(postgres.NewPostDBService(db))
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return &graph.Resolver{
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GetAllPostsUseCase: application.NewGetAllPostsUseCase(postRepo),
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}
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}
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