init server

internal/user/handler.go

@@ -0,0 +1,156 @@
+package user
+
+import (
+	"fmt"
+	"net/http"
+	"nos-comptes/handler"
+	"nos-comptes/internal/storage/dao/postgresql"
+	"nos-comptes/internal/storage/model"
+	"nos-comptes/internal/storage/validators"
+	"nos-comptes/internal/utils"
+	"strings"
+
+	"github.com/gin-gonic/gin"
+	"google.golang.org/api/oauth2/v2"
+)
+
+type Context struct {
+	service *Service
+	db      *Database
+	*handler.Context
+}
+
+func NewHandler(ctx *handler.Context, db *postgresql.DatabasePostgreSQL) *Context {
+	database := NewDatabase(db)
+	service := NewService(database)
+	return &Context{service: service, db: database, Context: ctx}
+}
+
+func (uc *Context) GetAllUsers(c *gin.Context) {
+	users, err := uc.db.GetAllUsers()
+	if err != nil {
+		utils.GetLoggerFromCtx(c).WithError(err).Error("error while getting users")
+		utils.JSONErrorWithMessage(c.Writer, model.ErrInternalServer, "Error while getting users")
+		return
+	}
+	utils.JSON(c.Writer, http.StatusOK, users)
+}
+
+func (hc *Context) ConnectUser(c *gin.Context) {
+	authorizationHeader := c.GetHeader("Authorization")
+	authorizationHeaderSplitted := strings.Split(authorizationHeader, " ")
+	if len(authorizationHeaderSplitted) != 2 {
+		utils.JSONError(c.Writer, model.ErrBadRequestFormat)
+		return
+	}
+
+	oauth2Service, err := oauth2.New(&http.Client{})
+	if oauth2Service == nil {
+		fmt.Println(err)
+		utils.JSONError(c.Writer, model.ErrInternalServer)
+		return
+	}
+	tokenInfoCall := oauth2Service.Tokeninfo()
+	tokenInfoCall.IdToken(authorizationHeaderSplitted[1])
+	tokenInfo, err := tokenInfoCall.Do()
+	if err != nil {
+		utils.GetLogger().WithError(err).Error(err)
+		utils.JSONError(c.Writer, model.ErrBadRequestFormat)
+		return
+	}
+	user, err := hc.service.GetUserFromGoogleID(tokenInfo.UserId)
+	if err != nil {
+		utils.GetLogger().WithError(err).Error(err)
+		if castedError, ok := err.(*model.APIError); ok {
+			if castedError.Type == model.ErrNotFound.Type {
+				user, err := hc.service.CreateUserFromGoogleToken(tokenInfo.UserId, tokenInfo.Email)
+				if err != nil {
+					fmt.Println(err)
+					utils.JSONError(c.Writer, model.ErrInternalServer)
+					return
+				}
+				utils.JSON(c.Writer, 200, user)
+				return
+			}
+			utils.JSONError(c.Writer, *castedError)
+			return
+		}
+		utils.JSONError(c.Writer, model.ErrInternalServer)
+		return
+	}
+	fmt.Println("Found the user " + user.Email)
+	fmt.Println("Return 200")
+	utils.JSON(c.Writer, 200, user)
+}
+
+func (hc *Context) CreateUser(c *gin.Context) {
+	authorizationHeader := c.GetHeader("Authorization")
+	authorizationHeaderSplitted := strings.Split(authorizationHeader, " ")
+	if len(authorizationHeaderSplitted) != 2 {
+		utils.JSONError(c.Writer, model.ErrBadRequestFormat)
+		return
+	}
+
+	oauth2Service, err := oauth2.New(&http.Client{})
+	if oauth2Service == nil {
+		fmt.Println(err)
+		utils.JSONError(c.Writer, model.ErrInternalServer)
+		return
+	}
+	tokenInfoCall := oauth2Service.Tokeninfo()
+	tokenInfoCall.IdToken(authorizationHeaderSplitted[1])
+	tokenInfo, err := tokenInfoCall.Do()
+	if err != nil {
+		utils.GetLogger().WithError(err).Error(err)
+		utils.JSONError(c.Writer, model.ErrBadRequestFormat)
+		return
+	}
+	user, err := hc.service.GetUserFromGoogleID(tokenInfo.UserId)
+	if err != nil {
+		utils.GetLogger().WithError(err).Error(err)
+		if castedError, ok := err.(*model.APIError); ok {
+			if castedError.Type == model.ErrNotFound.Type {
+				user, err := hc.service.CreateUserFromGoogleToken(tokenInfo.UserId, tokenInfo.Email)
+				if err != nil {
+					fmt.Println(err)
+					utils.JSONError(c.Writer, model.ErrInternalServer)
+					return
+				}
+				utils.JSON(c.Writer, http.StatusCreated, user)
+				return
+			}
+			utils.JSONError(c.Writer, *castedError)
+			return
+		}
+		utils.JSONError(c.Writer, model.ErrInternalServer)
+		return
+	}
+	utils.JSON(c.Writer, http.StatusOK, user)
+}
+
+func (hc *Context) GetUser(c *gin.Context) {
+	userID := c.Param("userId")
+
+	err := hc.Validator.VarCtx(c, userID, "uuid4")
+	if err != nil {
+		utils.JSONError(c.Writer, validators.NewDataValidationAPIError(err))
+		return
+	}
+
+	user, err := hc.service.GetUserById(userID)
+	if e, ok := err.(*model.APIError); ok {
+		utils.GetLoggerFromCtx(c).WithError(err).WithField("type", e.Type).Error("error GetUser: get user error")
+		utils.JSONErrorWithMessage(c.Writer, *e, e.Description)
+	} else if err != nil {
+		utils.GetLoggerFromCtx(c).WithError(err).Error("error while get user")
+		utils.JSONError(c.Writer, model.ErrInternalServer)
+		return
+	}
+
+	if user == nil {
+		utils.JSONErrorWithMessage(c.Writer, model.ErrNotFound, "User not found")
+		return
+	}
+
+	utils.JSON(c.Writer, http.StatusOK, user)
+}