vikunja-api/routes/api/v1/user_add_update.go

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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."})
}
// Insert or update the user
var newUser models.User
if exists {
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newUser, err = models.UpdateUser(*datUser)
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} else {
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newUser, err = models.CreateUser(*datUser)
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}
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)
}