personal-site/container/container.go
2021-12-10 20:44:23 -05:00

72 lines
1.6 KiB
Go

package container
import (
"context"
"database/sql"
"fmt"
"entgo.io/ent/dialect"
entsql "entgo.io/ent/dialect/sql"
"github.com/eko/gocache/v2/cache"
"github.com/eko/gocache/v2/store"
"github.com/go-redis/redis/v8"
_ "github.com/jackc/pgx/v4/stdlib"
"github.com/labstack/echo/v4"
"goweb/config"
"goweb/ent"
)
type Container struct {
Web *echo.Echo
Config *config.Config
Cache *cache.Cache
Database *sql.DB
Ent *ent.Client
}
func NewContainer() *Container {
var c Container
// Web
c.Web = echo.New()
// Configuration
cfg, err := config.GetConfig()
if err != nil {
c.Web.Logger.Fatalf("failed to load configuration: %v", err)
}
c.Config = &cfg
// Cache
cacheClient := redis.NewClient(&redis.Options{
Addr: fmt.Sprintf("%s:%d", c.Config.Cache.Hostname, c.Config.Cache.Port),
Password: c.Config.Cache.Password,
})
if _, err = cacheClient.Ping(context.Background()).Result(); err != nil {
c.Web.Logger.Fatalf("failed to connect to cache server: %v", err)
}
cacheStore := store.NewRedis(cacheClient, nil)
c.Cache = cache.New(cacheStore)
// Database
addr := fmt.Sprintf("postgresql://%s:%s@%s/%s",
c.Config.Database.User,
c.Config.Database.Password,
c.Config.Database.Hostname,
c.Config.Database.Database,
)
c.Database, err = sql.Open("pgx", addr)
if err != nil {
c.Web.Logger.Fatalf("failed to connect to database: %v", err)
}
// Ent
drv := entsql.OpenDB(dialect.Postgres, c.Database)
c.Ent = ent.NewClient(ent.Driver(drv))
if err := c.Ent.Schema.Create(context.Background()); err != nil {
c.Web.Logger.Fatalf("failed to create database schema: %v", err)
}
return &c
}