Reorganized API + added db migrations

Read the README file for more informations

backend/api/users/update.go

@@ -0,0 +1,84 @@
+package users
+
+import (
+	"context"
+	"encoding/json"
+	"fmt"
+	"net/http"
+	"reflect"
+	"strings"
+	"time"
+
+	"fr.latosa-escrima/api/core"
+)
+
+type UpdateUserArgs struct {
+	FirstName  *string              `json:"firstname,omitempty"`
+	LastName   *string              `json:"lastname,omitempty"`
+	Email      *string              `json:"email,omitempty"`
+	Password   *string              `json:"password,omitempty"`
+	Phone      *string              `json:"phone,omitempty"`
+	Attributes *core.UserAttributes `json:"attributes"`
+}
+
+func HandleUpdate(w http.ResponseWriter, r *http.Request) {
+	var updateArgs UpdateUserArgs
+	err := json.NewDecoder(r.Body).Decode(&updateArgs)
+	if err != nil {
+		core.JSONError{
+			Status:  core.Error,
+			Message: err.Error(),
+		}.Respond(w, http.StatusInternalServerError)
+		return
+	}
+
+	var user core.User
+	updateQuery := core.DB.NewUpdate().Model(&user)
+
+	val := reflect.ValueOf(updateArgs)
+	typ := reflect.TypeOf(updateArgs)
+
+	for i := 0; i < val.NumField(); i++ {
+		field := val.Field(i)
+		fieldname := typ.Field(i).Name
+
+		tag := typ.Field(i).Tag.Get("bun")
+		if tag == "" {
+			tag = typ.Field(i).Tag.Get("json")
+		}
+
+		// Only add fields that are non-nil and non-zero
+		if field.IsValid() && !field.IsNil() && !field.IsZero() {
+			if fieldname == "Password" {
+				updateQuery.Set(fmt.Sprintf("%s = crypt(?, gen_salt('bf'))", strings.Split(tag, ",")[0]), field.Interface())
+			} else {
+				updateQuery.Set(fmt.Sprintf("%s = ?", strings.Split(tag, ",")[0]), field.Interface())
+			}
+		}
+	}
+
+	// Always update the `updated_at` field
+	updateQuery.Set("updated_at = ?", time.Now())
+
+	uuid := r.PathValue("user_uuid")
+	_, err = updateQuery.
+		Where("user_id = ?", uuid).
+		Returning("*").
+		Exec(context.Background())
+
+	if err != nil {
+		core.JSONError{
+			Status:  core.Error,
+			Message: err.Error(),
+		}.Respond(w, http.StatusInternalServerError)
+		return
+	}
+
+	user.Password = ""
+
+	core.JSONSuccess{
+		Status:  core.Success,
+		Message: "User updated.",
+		Data:    user,
+	}.Respond(w, http.StatusOK)
+}