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package cmd
import (
"fmt"
"io/ioutil"
"os"
"github.com/99designs/gqlgen/codegen"
"github.com/pkg/errors"
"github.com/urfave/cli"
)
var genCmd = cli.Command{
Name: "generate",
Usage: "generate a graphql server based on schema",
Flags: []cli.Flag{
cli.BoolFlag{Name: "verbose, v", Usage: "show logs"},
cli.StringFlag{Name: "config, c", Usage: "the config filename"},
},
Action: func(ctx *cli.Context) {
var config *codegen.Config
var err error
if configFilename := ctx.String("config"); configFilename != "" {
config, err = codegen.LoadConfig(configFilename)
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
} else {
config, err = codegen.LoadConfigFromDefaultLocations()
if os.IsNotExist(errors.Cause(err)) {
config = codegen.DefaultConfig()
} else if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
}
for _, filename := range config.SchemaFilename {
var schemaRaw []byte
schemaRaw, err = ioutil.ReadFile(filename)
if err != nil {
fmt.Fprintln(os.Stderr, "unable to open schema: "+err.Error())
os.Exit(1)
}
config.SchemaStr[filename] = string(schemaRaw)
}
if err = config.Check(); err != nil {
fmt.Fprintln(os.Stderr, "invalid config format: "+err.Error())
os.Exit(1)
}
err = codegen.Generate(*config)
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(2)
}
},
}
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