Merge pull request #7 from moevm/nosql/backend-implementation

backend implementation

.env

@@ -0,0 +1,23 @@
+# mongodb
+MONGO_INITDB_ROOT_USERNAME=root
+MONGO_INITDB_ROOT_PASSWORD=example
+DATABASE_HOST=mongo
+DATABASE_NAME=nosql
+USER_COLLECTION=users
+LOGO_COLLECTION=logos
+EQUIPMENT_COLLECTION=equipment_list
+STAFF_COLLECTION=staff
+WARNING_COLLECTION=warnings
+
+# influxdb
+DOCKER_INFLUXDB_INIT_MODE=setup
+DOCKER_INFLUXDB_INIT_USERNAME=test_username
+DOCKER_INFLUXDB_INIT_PASSWORD=test_password
+DOCKER_INFLUXDB_INIT_ADMIN_TOKEN=test_token
+DOCKER_INFLUXDB_INIT_ORG=docs 
+DOCKER_INFLUXDB_INIT_BUCKET=test_bucket
+
+# auth
+ACCESS_TOKEN_LIFETIME=2m
+REFRESH_TOKEN_LIFETIME=1h
+SECRET_KEY=secret_key

backend.Dockerfile

@@ -0,0 +1,10 @@
+FROM golang:1.22.4
+WORKDIR ./backend
+
+COPY ./backend/go.mod ./backend/go.sum .
+RUN go mod download
+COPY ./backend/ .
+COPY ./.env .
+
+RUN CGO_ENABLED=0 GOOS=linux go build -o /backend ./cmd/main
+CMD ["/backend"]

backend/cmd/main/app/app.go

@@ -0,0 +1,128 @@
+package app
+
+import (
+	"context"
+	"fmt"
+	"time"
+	"vvnbd/internal/config"
+	"vvnbd/internal/pkg/db"
+	authhandlers "vvnbd/internal/pkg/handlers/authentication"
+	equipmenthandler "vvnbd/internal/pkg/handlers/equipment"
+	settingshandler "vvnbd/internal/pkg/handlers/settings"
+	warninghandler "vvnbd/internal/pkg/handlers/warning"
+	authrepo "vvnbd/internal/pkg/repositories/authentication"
+	"vvnbd/internal/pkg/repositories/equipment"
+	"vvnbd/internal/pkg/repositories/logo"
+	staffrepo "vvnbd/internal/pkg/repositories/staff"
+	warningrepo "vvnbd/internal/pkg/repositories/warning"
+	authservice "vvnbd/internal/pkg/service/authentication"
+	settingsservice "vvnbd/internal/pkg/service/settings"
+	warningservice "vvnbd/internal/pkg/service/warning"
+
+	"github.com/labstack/echo"
+)
+
+func RunApp(ctx context.Context, e *echo.Echo) error {
+	mongoClient, err := db.NewMongoClient(ctx)
+	if err != nil {
+		return fmt.Errorf("unble to create mong client Err: %w", err)
+	}
+
+	dbName, err := config.GetValue(config.DatabaseName)
+	if err != nil {
+		return fmt.Errorf("cannot get db name from config. Err: %w", err)
+	}
+	usersCollection, err := config.GetValue(config.UserCollection)
+	if err != nil {
+		return fmt.Errorf("cannot get user collection from config. Err: %w", err)
+	}
+
+	authRepo := authrepo.NewRepository(
+		ctx,
+		mongoClient,
+		dbName,
+		usersCollection,
+	)
+
+	staffCollection, err := config.GetValue(config.StaffCollection)
+	if err != nil {
+		return fmt.Errorf("cannot get staff collection from config. Err: %w", err)
+	}
+
+	staffRepo := staffrepo.NewRepository(ctx, mongoClient, dbName, staffCollection)
+
+	accessTokenLifetimeString, err := config.GetValue(config.AccessTokenLifetime)
+	if err != nil {
+		return fmt.Errorf("cannot get access token lifetime from config. Err: %w", err)
+	}
+	accessTokenLifetime, err := time.ParseDuration(accessTokenLifetimeString)
+	if err != nil {
+		return fmt.Errorf("cannot parse access token lifetime from config. Err: %w", err)
+	}
+
+	refreshTokenLifetimeString, err := config.GetValue(config.RefreshTokenLifetime)
+	if err != nil {
+		return fmt.Errorf("cannot get refresh token lifetime from config. Err: %w", err)
+	}
+	refreshTokenLifetime, err := time.ParseDuration(refreshTokenLifetimeString)
+	if err != nil {
+		return fmt.Errorf("cannot parse refresh token lifetime from config. Err: %w", err)
+	}
+
+	secretKey, err := config.GetValue(config.SecretKey)
+	if err != nil {
+		return fmt.Errorf("cannot get secret key from config. Err: %w", err)
+	}
+
+	authService := authservice.New(
+		ctx,
+		authRepo,
+		staffRepo,
+		accessTokenLifetime,
+		refreshTokenLifetime,
+		secretKey,
+	)
+
+	logoCollection, err := config.GetValue(config.LogoCollection)
+	if err != nil {
+		return fmt.Errorf("cannot get logo collection from config. Err: %w", err)
+	}
+
+	logoRepo := logo.NewRepository(ctx, mongoClient, dbName, logoCollection)
+
+	authHandler := authhandlers.NewHandler(ctx, authService, logoRepo)
+	authHandler.RouteHandler(e)
+
+	equipmentCollection, err := config.GetValue(config.EquipmentCollection)
+	if err != nil {
+		return fmt.Errorf("cannot get equipment collection from config. Err: %w", err)
+	}
+
+	equipmentRepo := equipment.NewRepository(ctx, mongoClient, dbName, equipmentCollection)
+
+	equipmentHandler := equipmenthandler.NewHandler(ctx, equipmentRepo)
+	equipmentHandler.RouteHandler(e)
+
+	settingsService := settingsservice.New(ctx, staffRepo)
+
+	settingsHandler := settingshandler.NewHandler(ctx, settingsService)
+	settingsHandler.RouteHandler(e)
+
+	warningCollection, err := config.GetValue(config.WarningCollection)
+	if err != nil {
+		return fmt.Errorf("cannot get warning collection from config. Err: %w", err)
+	}
+
+	warningRepo := warningrepo.NewRepository(ctx, mongoClient, dbName, warningCollection)
+
+	warningService := warningservice.New(ctx, warningRepo)
+
+	warningHandler := warninghandler.NewHandler(ctx, warningService)
+	warningHandler.RouteHandler(e)
+
+	// influxClient, err := db.NewInfluxClient(ctx)
+	// if err != nil {
+	// 	return fmt.Errorf("unable to create influx client Err: %w", err)
+	// }
+	return nil
+}

backend/cmd/main/main.go

@@ -0,0 +1,27 @@
+package main
+
+import (
+	"context"
+	"vvnbd/cmd/main/app"
+
+	"github.com/labstack/echo"
+	"github.com/labstack/echo/middleware"
+)
+
+func main() {
+	e := echo.New()
+	ctx := context.Background()
+
+	e.Use(middleware.Logger())
+
+	e.Use(middleware.CORSWithConfig(middleware.CORSConfig{
+		AllowOrigins: []string{"*"},
+	}))
+
+	err := app.RunApp(ctx, e)
+	if err != nil {
+		e.Logger.Fatal("unable to run application. Err:", err)
+	}
+
+	e.Logger.Fatal(e.Start(":8080"))
+}

backend/go.mod

@@ -0,0 +1,38 @@
+module vvnbd
+
+go 1.22.4
+
+require (
+	github.com/dgrijalva/jwt-go v3.2.0+incompatible
+	github.com/joho/godotenv v1.5.1
+)
+
+require (
+	github.com/apapsch/go-jsonmerge/v2 v2.0.0 // indirect
+	github.com/google/uuid v1.3.1 // indirect
+	github.com/influxdata/line-protocol v0.0.0-20200327222509-2487e7298839 // indirect
+	github.com/oapi-codegen/runtime v1.0.0 // indirect
+)
+
+require (
+	github.com/golang/snappy v0.0.4 // indirect
+	github.com/influxdata/influxdb-client-go/v2 v2.14.0
+	github.com/klauspost/compress v1.16.7 // indirect
+	github.com/labstack/echo v3.3.10+incompatible
+	github.com/labstack/gommon v0.4.2 // indirect
+	github.com/mattn/go-colorable v0.1.13 // indirect
+	github.com/mattn/go-isatty v0.0.20 // indirect
+	github.com/montanaflynn/stats v0.7.1 // indirect
+	github.com/valyala/bytebufferpool v1.0.0 // indirect
+	github.com/valyala/fasttemplate v1.2.2 // indirect
+	github.com/xdg-go/pbkdf2 v1.0.0 // indirect
+	github.com/xdg-go/scram v1.1.2 // indirect
+	github.com/xdg-go/stringprep v1.0.4 // indirect
+	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
+	go.mongodb.org/mongo-driver v1.17.0
+	golang.org/x/crypto v0.26.0 // indirect
+	golang.org/x/net v0.24.0
+	golang.org/x/sync v0.8.0 // indirect
+	golang.org/x/sys v0.23.0 // indirect
+	golang.org/x/text v0.17.0 // indirect
+)

backend/go.sum

@@ -0,0 +1,96 @@
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backend/internal/config/config.go

@@ -0,0 +1,53 @@
+package config
+
+import (
+	"fmt"
+	"log"
+	"os"
+
+	"github.com/joho/godotenv"
+)
+
+type ConfigVariables string
+
+const (
+	envpath = "./.env"
+
+	// mongo configs
+	MongoUsername       = "MONGO_INITDB_ROOT_USERNAME"
+	MongoPassword       = "MONGO_INITDB_ROOT_PASSWORD"
+	MongoHost           = "DATABASE_HOST"
+	DatabaseName        = "DATABASE_NAME"
+	UserCollection      = "USER_COLLECTION"
+	LogoCollection      = "LOGO_COLLECTION"
+	EquipmentCollection = "EQUIPMENT_COLLECTION"
+	StaffCollection     = "STAFF_COLLECTION"
+	WarningCollection   = "WARNING_COLLECTION"
+
+	// influx configs
+	InfluxToken = "DOCKER_INFLUXDB_INIT_ADMIN_TOKEN"
+
+	// auth configs
+	AccessTokenLifetime  = "ACCESS_TOKEN_LIFETIME"
+	RefreshTokenLifetime = "REFRESH_TOKEN_LIFETIME"
+	SecretKey            = "SECRET_KEY"
+)
+
+func init() {
+	if err := godotenv.Load(envpath); err != nil {
+		log.Fatal("No .env file found")
+	}
+}
+
+func GetValue(variable ConfigVariables) (string, error) {
+	var (
+		value string
+		ok    bool
+	)
+
+	if value, ok = os.LookupEnv(string(variable)); !ok {
+		return "", fmt.Errorf("cannot gen variable: %s ", variable)
+	}
+
+	return value, nil
+}