Files
go-simple-graphql/base.go
T

101 lines
2.7 KiB
Go

package gql
import (
"crypto/tls"
"time"
"github.com/lukaszraczylo/go-simple-graphql/utils/concurrency"
"github.com/lukaszraczylo/go-simple-graphql/utils/logger"
"golang.org/x/net/http2"
"log"
"net/http"
"os"
"strings"
"github.com/allegro/bigcache"
"github.com/gookit/goutil/envutil"
)
func NewConnection() *BaseClient {
b := &BaseClient{
client: &http.Client{},
concurrencyManager: concurrency.NewPool(-1),
MaxGoRoutines: -1,
LoggingLevel: logger.Warn,
LoggerColorful: true,
}
if b.LoggerWriter == nil {
b.LoggerWriter = log.New(os.Stdout, "", log.LstdFlags)
}
b.endpoint = envutil.Getenv("GRAPHQL_ENDPOINT", "https://api.github.com/graphql")
b.responseType = envutil.Getenv("GRAPHQL_OUTPUT", "mapstring")
b.validate = envutil.GetBool("GRAPHQL_VALIDATE", false)
b.cache.enabled = envutil.GetBool("GRAPHQL_CACHE_ENABLED", true)
b.cache.ttl = envutil.GetInt("GRAPHQL_CACHE_TTL", 60)
b.retries.enabled = envutil.GetBool("GRAPHQL_RETRIES_ENABLED", true)
b.retries.max = envutil.GetInt("GRAPHQL_RETRIES_MAX", 1)
b.retries.delay = envutil.GetInt("GRAPHQL_RETRIES_DELAY", 300)
if b.cache.enabled {
var err error
b.cache.client, err = bigcache.NewBigCache(bigcache.DefaultConfig(time.Duration(b.cache.ttl) * time.Second))
if err != nil {
b.Logger.Error(b, "Error while creating cache client;", "error", err.Error())
}
}
b_tmp_log_level := envutil.Getenv("LOG_LEVEL", "info")
switch b_tmp_log_level {
case "silent":
b.LoggingLevel = logger.Silent
case "error":
b.LoggingLevel = logger.Error
case "warn":
b.LoggingLevel = logger.Warn
case "info":
b.LoggingLevel = logger.Info
case "debug":
b.LoggingLevel = logger.Debug
}
b.Logger = NewLogger(b.LoggerWriter, logger.Config{
Colorful: b.LoggerColorful,
LogLevel: b.LoggingLevel,
})
var httpClient *http.Client
if strings.HasPrefix(b.endpoint, "http://") {
httpClient = &http.Client{
Transport: http.DefaultTransport,
}
} else {
tlsClientConfig := &tls.Config{}
if strings.HasPrefix(b.endpoint, "https://") {
tlsClientConfig.InsecureSkipVerify = true
}
http2Transport := &http2.Transport{
AllowHTTP: true,
TLSClientConfig: tlsClientConfig,
}
httpClient = &http.Client{
Transport: http2Transport,
}
}
b.client = httpClient
b.Logger.Debug(b, "graphQL client initialized;", "endpoint", b.endpoint, "responseType", b.responseType, "validate", b.validate, "cache", b.cache.enabled, "cacheTTL", b.cache.ttl, "maxGoRoutines", b.MaxGoRoutines, "loggingLevel", b_tmp_log_level, "loggerColorful", b.LoggerColorful)
b.Logger.Info(b, "graphQL client initialized;")
return b
}
func (b *BaseClient) SetEndpoint(endpoint string) {
b.endpoint = endpoint
}