graphql-engine/cli/internal/metadatautil/sources.go
Aravind K P 3136ffad1b cli: update go.mod
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### Description
Update `go.mod` to allow other packages to import [v2.0.0 versions](https://blog.golang.org/v2-go-modules).

### Changelog

- [x] `CHANGELOG.md` is updated with user-facing content relevant to this PR. If no changelog is required, then add the `no-changelog-required` label.

### Affected components

- [x] CLI

https://github.com/hasura/graphql-engine-mono/pull/1584

GitOrigin-RevId: a5d17ad20289d1cd7217763f56ef3ba6552d69c4
2021-06-16 11:45:07 +00:00

128 lines
3.0 KiB
Go

package metadatautil
import (
"errors"
"fmt"
"io"
"io/ioutil"
"github.com/goccy/go-yaml"
"github.com/goccy/go-yaml/parser"
"github.com/hasura/graphql-engine/cli/v2/internal/hasura"
"github.com/hasura/graphql-engine/cli/v2/util"
)
func getMetadataAsYaml(exportMetadata func() (io.Reader, error)) ([]byte, error) {
metadata, err := exportMetadata()
if err != nil {
return nil, err
}
jsonb, err := ioutil.ReadAll(metadata)
if err != nil {
return nil, err
}
yamlb, err := yaml.JSONToYAML(jsonb)
if err != nil {
return nil, err
}
return yamlb, err
}
func GetSourceKind(exportMetadata func() (io.Reader, error), sourceName string) (*hasura.SourceKind, error) {
metadata, err := getMetadataAsYaml(exportMetadata)
if err != nil {
return nil, err
}
ast, err := parser.ParseBytes(metadata, 0)
if err != nil {
return nil, err
}
if len(ast.Docs) <= 0 {
return nil, fmt.Errorf("failed listing sources from metadata")
}
var sources []struct {
Name string `yaml:"name"`
Kind hasura.SourceKind `yaml: "kind"`
}
path, err := yaml.PathString("$.sources[*]")
if err != nil {
return nil, err
}
if err := path.Read(ast.Docs[0], &sources); err != nil {
return nil, err
}
for _, s := range sources {
if s.Name == sourceName {
return &s.Kind, nil
}
}
return nil, nil
}
func GetSources(exportMetadata func() (io.Reader, error)) ([]string, error) {
metadata, err := getMetadataAsYaml(exportMetadata)
if err != nil {
return nil, err
}
ast, err := parser.ParseBytes(metadata, 0)
if err != nil {
return nil, err
}
if len(ast.Docs) <= 0 {
return nil, fmt.Errorf("failed listing sources from metadata")
}
var sources []string
path, err := yaml.PathString("$.sources[*].name")
if err != nil {
return nil, err
}
if err := path.Read(ast.Docs[0], &sources); err != nil {
return nil, err
}
return sources, nil
}
type Source struct {
Name string `yaml: "name"`
Kind hasura.SourceKind `yaml:"kind"`
}
func GetSourcesAndKind(exportMetadata func() (io.Reader, error)) ([]Source, error) {
metadata, err := getMetadataAsYaml(exportMetadata)
if err != nil {
return nil, err
}
ast, err := parser.ParseBytes(metadata, 0)
if err != nil {
return nil, err
}
if len(ast.Docs) <= 0 {
return nil, fmt.Errorf("failed listing sources from metadata")
}
path, err := yaml.PathString("$.sources")
if err != nil {
return nil, err
}
var sources []Source
if err := path.Read(ast.Docs[0], &sources); err != nil {
return nil, err
}
return sources, nil
}
func DatabaseChooserUI(exportMetadata func() (io.Reader, error)) (string, error) {
sources, err := GetSources(exportMetadata)
if err != nil {
return "", fmt.Errorf("unable to get available databases: %w", err)
}
if len(sources) == 0 {
return "", errors.New("no connected databases found in the server")
}
databaseName, err := util.GetSelectPrompt("Select a database to use", sources)
if err != nil {
return "", fmt.Errorf("error in selecting a database to use: %w", err)
}
return databaseName, nil
}