initial commit

routes/api/v1/user_add_update.go

@@ -0,0 +1,101 @@
+package v1
+
+import (
+	"encoding/json"
+	"git.kolaente.de/konrad/list/models"
+	"github.com/labstack/echo"
+	"net/http"
+	"strconv"
+	"strings"
+)
+
+// UserAddOrUpdate is the handler to add a user
+func UserAddOrUpdate(c echo.Context) error {
+
+	// TODO: prevent everyone from updating users
+
+	// Check for Request Content
+	userFromString := c.FormValue("user")
+	var datUser *models.User
+
+	if userFromString == "" {
+		// b := new(models.User)
+		if err := c.Bind(&datUser); err != nil {
+			return c.JSON(http.StatusBadRequest, models.Message{"No user model provided."})
+		}
+	} else {
+		// Decode the JSON
+		dec := json.NewDecoder(strings.NewReader(userFromString))
+		err := dec.Decode(&datUser)
+
+		if err != nil {
+			return c.JSON(http.StatusBadRequest, models.Message{"Error decoding user: " + err.Error()})
+		}
+	}
+
+	// Check if we have an ID other than the one in the struct
+	id := c.Param("id")
+	if id != "" {
+		// Make int
+		userID, err := strconv.ParseInt(id, 10, 64)
+
+		if err != nil {
+			return c.JSON(http.StatusBadRequest, models.Message{"Invalid ID."})
+		}
+		datUser.ID = userID
+	}
+
+	// Check if the user exists
+	_, exists, err := models.GetUserByID(datUser.ID)
+	if err != nil {
+		return c.JSON(http.StatusInternalServerError, models.Message{"Could not check if the user exists."})
+	}
+
+	// Get the doer options
+	doer, err := models.GetCurrentUser(c)
+	if err != nil {
+		return err
+	}
+
+	// Insert or update the user
+	var newUser models.User
+	if exists {
+		newUser, err = models.UpdateUser(*datUser, &doer)
+	} else {
+		newUser, err = models.CreateUser(*datUser, &doer)
+	}
+
+	if err != nil {
+		// Check for user already exists
+		if models.IsErrUsernameExists(err) {
+			return c.JSON(http.StatusBadRequest, models.Message{"A user with this username already exists."})
+		}
+
+		// Check for user with that email already exists
+		if models.IsErrUserEmailExists(err) {
+			return c.JSON(http.StatusBadRequest, models.Message{"A user with this email address already exists."})
+		}
+
+		// Check for no username provided
+		if models.IsErrNoUsername(err) {
+			return c.JSON(http.StatusBadRequest, models.Message{"Please specify a username."})
+		}
+
+		// Check for no username or password provided
+		if models.IsErrNoUsernamePassword(err) {
+			return c.JSON(http.StatusBadRequest, models.Message{"Please specify a username and a password."})
+		}
+
+		// Check for user does not exist
+		if models.IsErrUserDoesNotExist(err) {
+			return c.JSON(http.StatusBadRequest, models.Message{"The user does not exist."})
+		}
+
+		return c.JSON(http.StatusInternalServerError, models.Message{"Error"})
+	}
+
+	// Obfuscate his password
+	newUser.Password = ""
+
+	return c.JSON(http.StatusOK, newUser)
+}