add: frontend profile data etc

frontend/src/lib/components/Header.svelte

@@ -3,7 +3,7 @@
   import { applyAction, enhance } from "$app/forms";
   import { page } from "$app/stores";
   // import Developer from "$lib/img/hero-image.png";
-  import Avatar from "$lib/img/teamavatar.png";
+  import Avatar from "$lib/img/TeamAvatar.jpeg";
   onMount(() => {
     console.log("Page data in Header:", $page);
   });

frontend/src/lib/components/ImageInput.svelte

@@ -0,0 +1,117 @@
+<script>
+  // @ts-nocheck
+  export let avatar;
+
+  export let fieldName;
+  export let title;
+
+  let newAvatar;
+  const onFileSelected = (e) => {
+    const target = e.target;
+    if (target && target.files) {
+      let reader = new FileReader();
+      reader.readAsDataURL(target.files[0]);
+      reader.onload = (e) => {
+        newAvatar = e.target?.result;
+      };
+    }
+  };
+</script>
+
+<div id="app">
+  {#if avatar}
+    <img class="avatar" src={avatar} alt="d" />
+  {:else}
+    <img
+      class="avatar"
+      src={newAvatar
+        ? newAvatar
+        : "https://cdn4.iconfinder.com/data/icons/small-n-flat/24/user-alt-512.png"}
+      alt=""
+    />
+    <input
+      type="file"
+      id="file"
+      name={fieldName}
+      required
+      on:change={(e) => onFileSelected(e)}
+    />
+    <label for="file" class="btn-3">
+      {#if newAvatar}
+        <span>Bild ausgewählt, clicke Hochladen.</span>
+      {:else}
+        <span>{title}</span>
+      {/if}
+    </label>
+  {/if}
+</div>
+
+<style>
+  #app {
+    margin-top: 1rem;
+    display: flex;
+    align-items: center;
+    justify-content: center;
+    flex-flow: column;
+    color: rgb(148 163 184);
+  }
+
+  .avatar {
+    display: flex;
+    width: 8rem;
+  }
+  [type="file"] {
+    height: 0;
+    overflow: hidden;
+    width: 0;
+  }
+  [type="file"] + label {
+    background: #9b9b9b;
+    border: none;
+    border-radius: 5px;
+    color: #fff;
+    cursor: pointer;
+    display: inline-block;
+    font-weight: 500;
+    margin-bottom: 1rem;
+    outline: none;
+    padding: 1rem 50px;
+    position: relative;
+    transition: all 0.3s;
+    vertical-align: middle;
+  }
+  [type="file"] + label:hover {
+    background-color: #9b9b9b;
+  }
+  [type="file"] + label.btn-3 {
+    background-color: #d43aff;
+    border-radius: 0;
+    overflow: hidden;
+  }
+  [type="file"] + label.btn-3 span {
+    display: inline-block;
+    height: 100%;
+    transition: all 0.3s;
+    width: 100%;
+  }
+  [type="file"] + label.btn-3::before {
+    color: #fff;
+    content: "\01F4F7";
+    font-size: 200%;
+    height: 100%;
+    left: 45%;
+    position: absolute;
+    top: -180%;
+    transition: all 0.3s;
+    width: 100%;
+  }
+  [type="file"] + label.btn-3:hover {
+    background-color: rgba(14, 166, 236, 0.5);
+  }
+  [type="file"] + label.btn-3:hover span {
+    transform: translateY(300%);
+  }
+  [type="file"] + label.btn-3:hover::before {
+    top: 0;
+  }
+</style>

frontend/src/lib/components/InputField.svelte

@@ -0,0 +1,100 @@
+<script>
+  import { createEventDispatcher } from "svelte";
+  import { t } from "svelte-i18n";
+
+  /** @type {string} */
+  export let name;
+
+  /** @type {string} */
+  export let type = "text";
+
+  /** @type {string} */
+  export let value = "";
+
+  /** @type {string} */
+  export let placeholder = "";
+
+  /** @type {string} */
+  export let label = "";
+
+  const dispatch = createEventDispatcher();
+
+  /**
+   * @param {Event} event - The input event
+   */
+  function handleInput(event) {
+    const target = event.target;
+
+    if (target instanceof HTMLInputElement) {
+      const inputValue = target.value;
+      value = inputValue;
+      // dispatch("input", { name, value: inputValue });
+    }
+  }
+
+  /**
+   * Validates the field
+   * @param {string} name - The name of the field
+   * @param {string} value - The value of the field
+   * @returns {string|null} The error message or null if valid
+   */
+  function validateField(name, value) {
+    switch (name) {
+      case "first_name":
+      case "last_name":
+        return value.trim() ? null : $t("required");
+      case "email":
+        return /^\S+@\S+\.\S+$/.test(value) ? null : $t("invalid_email");
+      case "password":
+        return !value.trim() || value.length >= 8
+          ? null
+          : $t("required_password");
+      // case "password2":
+      //   // Note: This case might need special handling as it depends on another field
+      //   return $t("required_password_match");
+      default:
+        return null;
+    }
+  }
+
+  $: error = validateField(name, value);
+</script>
+
+<div class="input-box">
+  <span class="label">{label}</span>
+  <div class="input-error-container">
+    {#if error}
+      <span class="error-message">{error}</span>
+    {/if}
+    <input
+      {name}
+      {type}
+      {placeholder}
+      {value}
+      on:input={handleInput}
+      on:blur={handleInput}
+      class="input"
+    />
+  </div>
+</div>
+
+<style>
+  .input-error-container {
+    display: flex;
+    flex-direction: column;
+    align-items: flex-end;
+    width: 100%;
+    max-width: 444px;
+  }
+
+  .error-message {
+    color: #eb5424;
+    font-size: 12px;
+    margin-bottom: 5px;
+    align-self: flex-start;
+  }
+
+  .input {
+    width: 100%;
+  }
+</style>

frontend/src/lib/components/Modal.svelte

@@ -0,0 +1,127 @@
+<script>
+  import { quintOut } from "svelte/easing";
+
+  import { createEventDispatcher } from "svelte";
+
+  const modal = (/** @type {Element} */ node, { duration = 300 } = {}) => {
+    const transform = getComputedStyle(node).transform;
+
+    return {
+      duration,
+      easing: quintOut,
+      css: (/** @type {any} */ t, /** @type {number} */ u) => {
+        return `transform:
+            ${transform}
+            scale(${t})
+            translateY(${u * -100}%)
+          `;
+      },
+    };
+  };
+
+  const dispatch = createEventDispatcher();
+  function closeModal() {
+    dispatch("close", {});
+  }
+</script>
+
+<div class="modal-background">
+  <div
+    transition:modal={{ duration: 1000 }}
+    class="modal"
+    role="dialog"
+    aria-modal="true"
+  >
+    <!-- svelte-ignore a11y-missing-attribute -->
+    <a
+      title="Close"
+      class="modal-close"
+      on:click={closeModal}
+      role="button"
+      tabindex="0"
+      on:keydown={(e) => e.key == "Enter" && closeModal()}
+    >
+      <svg
+        xmlns="http://www.w3.org/2000/svg"
+        width="20"
+        height="20"
+        viewBox="0 0 384 512"
+        aria-hidden="true"
+      >
+        <path
+          d="M342.6 150.6c12.5-12.5 12.5-32.8 0-45.3s-32.8-12.5-45.3 0L192 210.7 86.6 105.4c-12.5-12.5-32.8-12.5-45.3 0s-12.5 32.8 0 45.3L146.7 256 41.4 361.4c-12.5 12.5-12.5 32.8 0 45.3s32.8 12.5 45.3 0L192 301.3 297.4 406.6c12.5 12.5 32.8 12.5 45.3 0s12.5-32.8 0-45.3L237.3 256 342.6 150.6z"
+        />
+      </svg>
+      <span class="sr-only">Close modal</span>
+    </a>
+    <div class="container">
+      <slot />
+    </div>
+  </div>
+</div>
+
+<style>
+  .modal-background {
+    width: 100%;
+    height: 100%;
+    position: fixed;
+    top: 0;
+    right: 0;
+    bottom: 0;
+    background: rgba(0, 0, 0, 0.9);
+    z-index: 9999;
+    display: flex;
+  }
+
+  .modal {
+    position: relative;
+    left: 50%;
+    top: 50%;
+    width: 70%;
+    box-shadow: 0 0 10px hsl(0 0% 0% / 10%);
+    transform: translate(-50%, -50%);
+  }
+  .sr-only {
+    position: absolute;
+    width: 1px;
+    height: 1px;
+    padding: 0;
+    margin: -1px;
+    overflow: hidden;
+    clip: rect(0, 0, 0, 0);
+    white-space: nowrap;
+    border-width: 0;
+  }
+  @media (max-width: 990px) {
+    .modal {
+      width: 90%;
+    }
+  }
+  .modal-close {
+    border: none;
+  }
+
+  .modal-close svg {
+    display: block;
+    margin-left: auto;
+    margin-right: auto;
+    fill: rgb(14 165 233 /1);
+    transition: all 0.5s;
+  }
+  .modal-close:hover svg {
+    fill: rgb(225 29 72);
+    transform: scale(1.5);
+  }
+  .modal .container {
+    max-height: 90vh;
+    overflow-y: auto;
+    align-items: center;
+  }
+  @media (min-width: 680px) {
+    .modal .container {
+      flex-direction: column;
+      left: 0;
+      width: 100%;
+    }
+  }
+</style>

frontend/src/lib/components/SmallLoader.svelte

@@ -0,0 +1,24 @@
+<script>
+  /** @type {number | null} */
+  export let width;
+  /** @type {string | null} */
+  export let message;
+</script>
+
+<div class="loading">
+  <p class="simple-loader" style={width ? `width: ${width}px` : ""} />
+  {#if message}
+    <p>{message}</p>
+  {/if}
+</div>
+
+<style>
+  .loading {
+    display: flex;
+    align-items: center;
+    justify-content: center;
+  }
+  .loading p {
+    margin-left: 0.5rem;
+  }
+</style>

frontend/src/lib/css/styles.css

@@ -212,9 +212,7 @@ li strong {
   }
 }
 .button-dark {
-    transition:
+  transition: border-color 0.3s ease-in-out, background-color 0.3s ease-in-out;
-        border-color 0.3s ease-in-out,
-        background-color 0.3s ease-in-out;
   color: white;
   text-transform: uppercase;
   font-weight: 500;
@@ -223,14 +221,13 @@ li strong {
   cursor: pointer;
   background-color: transparent;
   border: 1px solid #595b5c;
+  margin: 2px;
 }
 .button-dark:hover {
   border-color: #fff;
 }
 .button-colorful {
-    transition:
+  transition: border-color 0.3s ease-in-out, background-color 0.3s ease-in-out;
-        border-color 0.3s ease-in-out,
-        background-color 0.3s ease-in-out;
   color: white;
   text-transform: uppercase;
   font-weight: 500;
@@ -245,9 +242,7 @@ li strong {
   border-color: #c907ff;
 }
 .button-orange {
-    transition:
+  transition: border-color 0.3s ease-in-out, background-color 0.3s ease-in-out;
-        border-color 0.3s ease-in-out,
-        background-color 0.3s ease-in-out;
   color: white;
   text-transform: uppercase;
   font-weight: 500;
@@ -262,9 +257,7 @@ li strong {
   border-color: #ca3f12;
 }
 .button-colorful:disabled {
-    transition:
+  transition: border-color 0.3s ease-in-out, background-color 0.3s ease-in-out;
-        border-color 0.3s ease-in-out,
-        background-color 0.3s ease-in-out;
   color: white;
   text-transform: uppercase;
   font-weight: 500;
@@ -344,7 +337,6 @@ li strong {
   }
   .container .content {
     max-width: 795px;
-        padding-left: 116px;
   }
   .container .content .step-title {
     font-size: 36px;
@@ -353,6 +345,7 @@ li strong {
 .input-box {
   display: flex;
   align-items: center;
+  justify-content: space-between;
   margin: 10px 0;
   padding: 0 20px;
   width: 100%;
@@ -364,8 +357,8 @@ li strong {
   font-size: 13px;
 }
 .input-box .label {
-    text-transform: lowercase;
   margin: 0 1ch 0 0;
+  font-size: 16px;
 }
 .input-box .input {
   background-color: #494848;
@@ -379,7 +372,6 @@ li strong {
 @media (min-width: 680px) {
   .input-box {
     padding: 0 30px;
-        margin: 32px 0;
   }
 }
 .btn-container {

frontend/src/lib/css/styles.min.css

@@ -12,27 +12,29 @@
   src: url(https://fonts.gstatic.com/s/robotomono/v22/L0xuDF4xlVMF-BfR8bXMIhJHg45mwgGEFl0_3vq_ROW9.ttf)
     format("truetype");
 }
+
 html {
   padding: 0 30px;
-    background-color: #000;
+  background-color: black;
   color: #9b9b9b;
-    font-family: Quicksand, sans-serif;
+  font-family: "Quicksand", sans-serif;
   font-size: 16px;
-    font-weight: 400;
+  font-weight: normal;
 }
 body {
   max-width: 1200px;
   margin: 5em auto 0 auto;
 }
-code,
+pre,
-pre {
+code {
   display: inline;
   font-family: "Roboto Mono", monospace;
   font-size: 16px;
 }
+
 input {
   font-family: "Roboto Mono", monospace;
-    color: #fff;
+  color: white;
   border-style: none;
   height: 21px;
   font-size: 16px;
@@ -47,7 +49,7 @@ h4,
 h5,
 h6 {
   margin: 0;
-    font-weight: 400;
+  font-weight: normal;
 }
 h2 {
   margin: 0 0 45px 0;
@@ -106,6 +108,7 @@ li strong {
     display: initial;
   }
 }
+
 .header {
   position: fixed;
   top: 0;
@@ -114,7 +117,7 @@ li strong {
   box-sizing: border-box;
   width: 100%;
   padding: 3em 0 0;
-    background: #000;
+  background: black;
 }
 .header.top-banner-open {
   margin-top: 5px;
@@ -152,7 +155,7 @@ li strong {
 .header .header-container .header-left .header-crafted-by-container .auth0 {
   margin-left: 1ch;
   color: #fff;
-    font-weight: 700;
+  font-weight: bold;
 }
 .header .header-container .header-right {
   display: flex;
@@ -173,10 +176,12 @@ li strong {
 .header .header-container .header-right .header-nav-item.active button {
   color: #fff;
 }
+
 .header .header-container .header-right a img {
   margin-top: -0.4rem;
   height: 28px;
 }
+
 .header .header-container .header-right .header-nav-item a,
 .header .header-container .header-right .header-nav-item button {
   transition: color 0.3s ease-in-out;
@@ -207,10 +212,8 @@ li strong {
   }
 }
 .button-dark {
-    transition:
+  transition: border-color 0.3s ease-in-out, background-color 0.3s ease-in-out;
-        border-color 0.3s ease-in-out,
+  color: white;
-        background-color 0.3s ease-in-out;
-    color: #fff;
   text-transform: uppercase;
   font-weight: 500;
   padding: 18px 28px;
@@ -218,15 +221,14 @@ li strong {
   cursor: pointer;
   background-color: transparent;
   border: 1px solid #595b5c;
+  margin: 2px;
 }
 .button-dark:hover {
   border-color: #fff;
 }
 .button-colorful {
-    transition:
+  transition: border-color 0.3s ease-in-out, background-color 0.3s ease-in-out;
-        border-color 0.3s ease-in-out,
+  color: white;
-        background-color 0.3s ease-in-out;
-    color: #fff;
   text-transform: uppercase;
   font-weight: 500;
   padding: 18px 28px;
@@ -240,10 +242,8 @@ li strong {
   border-color: #c907ff;
 }
 .button-orange {
-    transition:
+  transition: border-color 0.3s ease-in-out, background-color 0.3s ease-in-out;
-        border-color 0.3s ease-in-out,
+  color: white;
-        background-color 0.3s ease-in-out;
-    color: #fff;
   text-transform: uppercase;
   font-weight: 500;
   padding: 18px 28px;
@@ -257,10 +257,8 @@ li strong {
   border-color: #ca3f12;
 }
 .button-colorful:disabled {
-    transition:
+  transition: border-color 0.3s ease-in-out, background-color 0.3s ease-in-out;
-        border-color 0.3s ease-in-out,
+  color: white;
-        background-color 0.3s ease-in-out;
-    color: #fff;
   text-transform: uppercase;
   font-weight: 500;
   padding: 18px 28px;
@@ -297,12 +295,14 @@ li strong {
     margin: 0 auto 140px auto;
   }
 }
+
 .container {
   transition: opacity 0.2s ease-in-out;
-    color: #fff;
+  color: white;
   letter-spacing: 0;
   opacity: 1;
 }
+
 .container .content {
   width: 100%;
   flex-grow: 1;
@@ -320,11 +320,13 @@ li strong {
   font-size: 16px;
   font-weight: 300;
 }
+
 @media (max-width: 680px) {
   .container .content {
     margin-top: 120px;
   }
 }
+
 @media (min-width: 680px) {
   .container {
     position: relative;
@@ -335,7 +337,6 @@ li strong {
   }
   .container .content {
     max-width: 795px;
-        padding-left: 116px;
   }
   .container .content .step-title {
     font-size: 36px;
@@ -344,6 +345,7 @@ li strong {
 .input-box {
   display: flex;
   align-items: center;
+  justify-content: space-between;
   margin: 10px 0;
   padding: 0 20px;
   width: 100%;
@@ -355,13 +357,13 @@ li strong {
   font-size: 13px;
 }
 .input-box .label {
-    text-transform: lowercase;
   margin: 0 1ch 0 0;
+  font-size: 16px;
 }
 .input-box .input {
   background-color: #494848;
   border-radius: 6px;
-    outline: 0;
+  outline: none;
   border: 3px solid #494848;
   width: 100%;
   max-width: 444px;
@@ -370,7 +372,6 @@ li strong {
 @media (min-width: 680px) {
   .input-box {
     padding: 0 30px;
-        margin: 32px 0;
   }
 }
 .btn-container {
@@ -404,6 +405,7 @@ li strong {
 .warning.hidden {
   display: none;
 }
+
 .error {
   margin-top: 10rem;
   padding: 30px 40px;
@@ -424,11 +426,13 @@ li strong {
     padding: 65px 80px;
   }
 }
+
 .footer-branding-container {
-    color: #fff;
+  color: white;
   font-weight: 300;
   margin-bottom: 73px;
 }
+
 .footer-branding-container .footer-branding {
   display: flex;
   width: 400px;
@@ -443,7 +447,7 @@ li strong {
   align-items: center;
   justify-content: center;
   margin-bottom: 16px;
-    color: #fff;
+  color: white;
 }
 .footer-branding-container .footer-branding .footer-crafted-by-container span {
   display: inline-block;
@@ -455,34 +459,38 @@ li strong {
   .footer-branded-crafted-img {
   height: 28px;
 }
+
 .footer-branding-container .footer-branding .footer-copyright {
   color: #696969;
   letter-spacing: 0.5px;
 }
 .footer-container {
   width: 100%;
-    color: #fff;
+  color: white;
   box-sizing: border-box;
   display: flex;
   justify-content: center;
   align-items: center;
 }
+
 @media (min-width: 680px) {
   .footer-container {
     padding: 0;
   }
 }
+
 .simple-loader {
-    --b: 20px;
+  --b: 20px; /* border thickness */
-    --n: 15;
+  --n: 15; /* number of dashes*/
-    --g: 7deg;
+  --g: 7deg; /* gap  between dashes*/
-    --c: #d43aff;
+  --c: #d43aff; /* the color */
-    width: 40px;
+
+  width: 40px; /* size */
   aspect-ratio: 1;
   border-radius: 50%;
-    padding: 1px;
+  padding: 1px; /* get rid of bad outlines */
   background: conic-gradient(#0000, var(--c)) content-box;
-    --_m: repeating-conic-gradient(
+  --_m: /* we use +/-1deg between colors to avoid jagged edges */ repeating-conic-gradient(
       #0000 0deg,
       #000 1deg calc(360deg / var(--n) - var(--g) - 1deg),
       #0000 calc(360deg / var(--n) - var(--g)) calc(360deg / var(--n))

frontend/src/lib/locales/de.js

@@ -0,0 +1,50 @@
+export default {
+  userStatus: {
+    1: "Nicht verifiziert",
+    2: "Verifiziert",
+    3: "Aktiv",
+    4: "Passiv",
+    5: "Deaktiviert",
+  },
+  userRole: {
+    0: "Mitglied",
+    1: "Betrachter",
+    4: "Bearbeiter",
+    8: "Administrator",
+  },
+  unknown: "Unbekannt",
+  notes: "Notizen",
+  address: "Straße & Hausnummer",
+  city: "Wohnort",
+  zip_code: "PLZ",
+  forgot_password: "Passwort vergessen?",
+  password: "Passwort",
+  password_repeat: "Passwort wiederholen",
+  placeholder_password: "Passwort eingeben...",
+  email: "Email",
+  placeholder_email: "Emailadresse eingeben...",
+  login: "Anmelden",
+  user: "Nutzer",
+  user_login: "Nutzer Anmeldung",
+  user_edit: "Nutzer bearbeiten",
+  profile: "Profil",
+  membership: "Mitgliedschaft",
+  bankaccount: "Kontodaten",
+  status: "Status",
+  start: "Beginn",
+  end: "Ende",
+  parent_member_id: "Hauptmitgliedsnr.",
+  placeholder_parent_member_id: "Mitgliedsnr des Hauptmitglieds eingeben...",
+  bank_account_holder: "Kontoinhaber",
+  bank_name: "Name der Bank",
+  iban: "IBAN",
+  bic: "BIC",
+  mandate_reference: "SEPA Mandat",
+  placeholder_bank_account_holder: "Namen eingeben...",
+  placeholder_iban: "IBAN eingeben..",
+  placeholder_bic: "BIC eingeben(optional)...",
+  placeholder_mandate_reference: "SEPA Mandatsreferenz eingeben..",
+  required: "Eingabe benötigt",
+  required_password: "Password zu kurz, mindestens 8 Zeichen",
+  required_password_match: "Passwörter stimmen nicht überein!",
+};

frontend/src/lib/locales/en.js

@@ -0,0 +1,15 @@
+export default {
+  userStatus: {
+    1: "Unverified",
+    2: "Verified",
+    3: "Active",
+    4: "Passive",
+    5: "Disabled",
+  },
+  userRole: {
+    0: "Member",
+    1: "Viewer",
+    4: "Editor",
+    8: "Admin",
+  },
+};

frontend/src/lib/utils/i18n.js

@@ -0,0 +1,20 @@
+import { register, init, getLocaleFromNavigator, locale } from "svelte-i18n";
+
+function setupI18n() {
+  register("en", () => import("../locales/en.js"));
+  register("de", () => import("../locales/de.js"));
+
+  init({
+    fallbackLocale: "de",
+    initialLocale: getLocaleFromNavigator(),
+  });
+}
+
+setupI18n();
+
+/**
+ * @param {string} newLocale - The new locale to set
+ */
+export const changeLocale = (newLocale) => {
+  locale.set(newLocale);
+};

frontend/src/routes/+layout.svelte

@@ -4,14 +4,27 @@
   import Transition from "$lib/components/Transition.svelte";
   import "$lib/css/styles.min.css";
 
+  import { waitLocale } from "svelte-i18n";
+  import { onMount } from "svelte";
+  import "$lib/utils/i18n.js";
+
   /** @type {import('./$types').PageData} */
   export let data;
+
+  let ready = false;
+
+  onMount(async () => {
+    await waitLocale();
+    ready = true;
+  });
 </script>
 
-<Transition key={data.url} duration={600}>
+{#if ready}
+  <Transition key={data.url} duration={600}>
     <Header />
 
     <slot />
 
     <Footer />
-</Transition>
+  </Transition>
+{/if}

frontend/src/routes/+page.svelte

@@ -4,16 +4,10 @@
 
 <div class="hero-container">
   <!-- <div class="hero-logo"><img src={Developer} alt="Alexander Stölting" /></div> -->
-  <h3 class="hero-subtitle subtitle">
+  <h3 class="hero-subtitle subtitle">Backend vom Carsharing Zeug</h3>
-    This application is the demonstration of a series of tutorials on
-    session-based authentication using Go at the backend and JavaScript
-    (SvelteKit) on the front-end.
-  </h3>
   <div class="hero-buttons-container">
-    <a
+    <a class="button-dark" href="https://tiny-bits.net/" data-learn-more
-      class="button-dark"
+      >Auf zu Tiny Bits</a
-      href="https://dev.to/sirneij/series/23239"
-      data-learn-more>Learn more</a
     >
   </div>
 </div>

frontend/src/routes/auth/about/[id]/+page.server.js

@@ -0,0 +1,131 @@
+import { BASE_API_URI } from "$lib/utils/constants";
+import { formatError } from "$lib/utils/helpers";
+import { fail, redirect } from "@sveltejs/kit";
+
+/** @type {import('./$types').PageServerLoad} */
+export async function load({ locals, params }) {
+  // redirect user if not logged in
+  if (!locals.user) {
+    throw redirect(302, `/auth/login?next=/auth/about/${params.id}`);
+  }
+}
+
+/** @type {import('./$types').Actions} */
+export const actions = {
+  /**
+   *
+   * @param request - The request object
+   * @param fetch - Fetch object from sveltekit
+   * @param cookies - SvelteKit's cookie object
+   * @param locals - The local object, housing current user
+   * @returns Error data or redirects user to the home page or the previous page
+   */
+  updateUser: async ({ request, fetch, cookies, locals }) => {
+    const formData = await request.formData();
+    const firstName = String(formData.get("first_name"));
+    const lastName = String(formData.get("last_name"));
+    const phone = String(formData.get("phone"));
+    const birthDate = String(formData.get("birth_date"));
+
+    const apiURL = `${BASE_API_URI}/backend/users/update/`;
+
+    const res = await fetch(apiURL, {
+      method: "PATCH",
+      credentials: "include",
+      headers: {
+        "Content-Type": "application/json",
+        Cookie: `jwt=${cookies.get("jwt")}`,
+      },
+      body: JSON.stringify({
+        first_name: firstName,
+        last_name: lastName,
+        phone: phone,
+        birth_date: birthDate,
+      }),
+    });
+
+    if (!res.ok) {
+      const response = await res.json();
+      const errors = formatError(response.error);
+      return fail(400, { errors: errors });
+    }
+
+    const response = await res.json();
+
+    locals.user = response;
+
+    if (locals.user.date_of_birth) {
+      locals.user.date_of_birth = response["date_of_birth"].split("T")[0];
+    }
+
+    throw redirect(303, `/auth/about/${response.id}`);
+  },
+  /**
+   *
+   * @param request - The request object
+   * @param fetch - Fetch object from sveltekit
+   * @param cookies - SvelteKit's cookie object
+   * @param locals - The local object, housing current user
+   * @returns Error data or redirects user to the home page or the previous page
+   */
+  uploadImage: async ({ request, fetch, cookies }) => {
+    const formData = await request.formData();
+
+    /** @type {RequestInit} */
+    const requestInitOptions = {
+      method: "POST",
+      headers: {
+        Cookie: `jwt=${cookies.get("jwt")}`,
+      },
+      body: formData,
+    };
+
+    const res = await fetch(`${BASE_API_URI}/file/upload/`, requestInitOptions);
+
+    if (!res.ok) {
+      const response = await res.json();
+      const errors = formatError(response.error);
+      return fail(400, { errors: errors });
+    }
+
+    const response = await res.json();
+
+    return {
+      success: true,
+      thumbnail: response["s3_url"],
+    };
+  },
+  /**
+   *
+   * @param request - The request object
+   * @param fetch - Fetch object from sveltekit
+   * @param cookies - SvelteKit's cookie object
+   * @param locals - The local object, housing current user
+   * @returns Error data or redirects user to the home page or the previous page
+   */
+  deleteImage: async ({ request, fetch, cookies }) => {
+    const formData = await request.formData();
+
+    /** @type {RequestInit} */
+    const requestInitOptions = {
+      method: "DELETE",
+      headers: {
+        Cookie: `jwt=${cookies.get("jwt")}`,
+      },
+      body: formData,
+    };
+
+    const res = await fetch(`${BASE_API_URI}/file/delete/`, requestInitOptions);
+
+    if (!res.ok) {
+      const response = await res.json();
+      const errors = formatError(response.error);
+      return fail(400, { errors: errors });
+    }
+
+    return {
+      success: true,
+      thumbnail: "",
+    };
+  },
+};

frontend/src/routes/auth/about/[id]/+page.svelte

@@ -0,0 +1,625 @@
+<script>
+  import ImageInput from "$lib/components/ImageInput.svelte";
+  import InputField from "$lib/components/InputField.svelte";
+  import SmallLoader from "$lib/components/SmallLoader.svelte";
+  import Modal from "$lib/components/Modal.svelte";
+  import Avatar from "$lib/img/TeamAvatar.jpeg";
+  import { onMount } from "svelte";
+  import { applyAction, enhance } from "$app/forms";
+  import { page } from "$app/stores";
+  import { receive, send } from "$lib/utils/helpers";
+  import { t } from "svelte-i18n";
+
+  $: ({ user } = $page.data);
+
+  /** @typedef {{name: string, src: string}} Avatar */
+  const avatarFiles = import.meta.glob("$lib/img/Avatar-*.jpeg", {
+    eager: true,
+  });
+  /** @type{Avatar[]} */
+  let avatars = [];
+
+  /**
+   * @typedef {Object} FormData
+   * @property {string} first_name
+   * @property {string} last_name
+   * @property {string} email
+   * @property {string} [password]
+   * @property {string} [password2]
+   * @property {string} [phone]
+   * @property {string} address
+   * @property {string} zip_code
+   * @property {string} city
+   */
+  /**
+   * @typedef {Object.<string, string>} ValidationErrors
+   */
+  /**
+   * @type {ValidationErrors}
+   */
+  let validationErrors = {};
+
+  const TABS = ["profile", "membership", "bankaccount"];
+  let activeTab = TABS[0];
+
+  let showModal = false,
+    isUploading = false,
+    isUpdating = false,
+    showAvatars = false;
+  const open = () => (showModal = true);
+  const close = () => (showModal = false);
+  const toggleAvatars = () => (showAvatars = !showAvatars);
+
+  onMount(() => {
+    avatars = Object.entries(avatarFiles).map(([path, module]) => {
+      if (typeof path !== "string") {
+        throw new Error("Unexpected non-string path");
+      }
+      if (
+        typeof module !== "object" ||
+        module === null ||
+        !("default" in module)
+      ) {
+        throw new Error("Unexpected module format");
+      }
+      const src = module.default;
+      if (typeof src !== "string") {
+        throw new Error("Unexpected default export type");
+      }
+      return {
+        name: path.split("/").pop()?.split(".")[0] ?? "Unknown",
+        src: src,
+      };
+    });
+  });
+
+  /** @type {import('./$types').ActionData} */
+  export let form;
+
+  /**
+   * Sets the active tab
+   * @param {string} tab - The tab to set as active
+   */
+  function setActiveTab(tab) {
+    activeTab = tab;
+  }
+
+  /**
+   * Validates thek form data
+   * @param {Object} data - The form data to validate
+   * @returns {ValidationErrors} An object containing validation errors
+   */
+  function validateForm(data) {
+    /** @type {ValidationErrors} */
+    let errors = {};
+
+    if ("first_name" in data && !String(data.first_name).trim()) {
+      errors.first_name = $t("required");
+    }
+    if ("last_name" in data && !String(data.last_name).trim()) {
+      errors.last_name = $t("required");
+    }
+    if (
+      "email" in data &&
+      (!data.email || !/^\S+@\S+\.\S+$/.test(String(data.email)))
+    ) {
+      errors.email = $t("required");
+    }
+    if ("password" in data) {
+      if (String(data.password).length < 8) {
+        errors.password = $t("required_password");
+      }
+      if ("password2" in data && data.password !== data.password2) {
+        errors.password2 = $t("required_password_match");
+      }
+    }
+
+    return errors;
+  }
+
+  /** @type {import('./$types').SubmitFunction} */
+  const handleUpdate = async ({ form, formData, action, cancel }) => {
+    /** @type {Object.<string, FormDataEntryValue>} */
+    const fd = Object.fromEntries(formData);
+    validationErrors = validateForm(fd);
+    if (Object.keys(validationErrors).length > 0) {
+      cancel();
+      return;
+    }
+
+    isUpdating = true;
+    return async ({ result }) => {
+      isUpdating = false;
+      if (result.type === "success" || result.type === "redirect") {
+        validationErrors = {};
+        close();
+      } else if (result.type == "failure" && result.data?.errors) {
+        /** @type {ValidationErrors} */
+        validationErrors = {};
+        // Assuming result.data.errors is an array of {error: string, id: string}
+        result.data.errors.forEach(({ error, id }) => {
+          validationErrors[id] = error;
+        });
+      }
+      await applyAction(result);
+    };
+  };
+
+  /** @type {import('./$types').SubmitFunction} */
+  const handleUpload = async () => {
+    isUploading = true;
+    return async ({ result }) => {
+      isUploading = false;
+      /** @type {any} */
+      const res = result;
+      if (result.type === "success" || result.type === "redirect") {
+        user.thumbnail = res.data.thumbnail;
+      }
+      await applyAction(result);
+    };
+  };
+</script>
+
+<div class="hero-container">
+  <div class="hero-logo">
+    <img
+      src={user.thumbnail ? user.thumbnail : Avatar}
+      alt={`${user.first_name} ${user.last_name}`}
+      width="200"
+    />
+  </div>
+  <div class="user-info">
+    {#if user.status}
+      <h3 class="hero-subtitle subtitle info-row">
+        <span class="label">Status:</span>
+        <span class="value block-value">
+          <span
+            >{$t(`userStatus.${user.status}`, {
+              default: "unknown status",
+            })}</span
+          >
+          <span
+            >{$t(`userRole.${user.role_id}`, { default: "unknown role" })}</span
+          >
+        </span>
+      </h3>
+    {/if}
+    <h3 class="hero-subtitle subtitle info-row">
+      <span class="label">Name:</span>
+      <span class="value">{`${user.first_name} ${user.last_name}`}</span>
+    </h3>
+    {#if user.email}
+      <h3 class="hero-subtitle subtitle info-row">
+        <span class="label">Email:</span>
+        <span class="value">{user.email}</span>
+      </h3>
+    {/if}
+    {#if user.address}
+      <h3 class="hero-subtitle subtitle info-row">
+        <span class="label">Adresse:</span>
+        <span class="value block-value">
+          <span>{user.address}</span>
+          <span>{`${user.zip_code} ${user.city}`}</span>
+        </span>
+      </h3>
+    {/if}
+    {#if user.phone}
+      <h3 class="hero-subtitle subtitle info-row">
+        <span class="label">Telefon:</span>
+        <span class="value">{user.phone}</span>
+      </h3>
+    {/if}
+    {#if user.birth_date}
+      <h3 class="hero-subtitle subtitle info-row">
+        <span class="label">Geburtstag:</span>
+        <span class="value">{user.birth_date}</span>
+      </h3>
+    {/if}
+    {#if user.notes}
+      <h3 class="hero-subtitle subtitle info-row">
+        <span class="label">{$t("notes")}:</span>
+        <span class="value">{user.notes}</span>
+      </h3>
+    {/if}
+  </div>
+
+  <div class="hero-buttons-container">
+    <button class="button-dark" on:click={open}>Ändern</button>
+  </div>
+</div>
+
+{#if showModal}
+  <Modal on:close={close}>
+    <div class="avatar-container">
+      <form
+        class="avatar-form"
+        action="?/uploadImage"
+        method="post"
+        enctype="multipart/form-data"
+        use:enhance={handleUpload}
+      >
+        <div class="current-avatar">
+          <ImageInput
+            avatar={user.thumbnail}
+            fieldName="thumbnail"
+            title="Nutzerbild auswählen"
+          />
+        </div>
+        <div class="avatar-buttons">
+          {#if !user.thumbnail}
+            {#if isUploading}
+              <SmallLoader width={30} message={"Uploading..."} />
+            {:else}
+              <button class="button-dark" type="submit">Bild hochladen</button>
+            {/if}
+          {:else}
+            <input
+              type="hidden"
+              hidden
+              name="thumbnail_url"
+              value={user.thumbnail}
+              required
+            />
+            {#if isUploading}
+              <SmallLoader width={30} message={"Lösche..."} />
+            {:else}
+              <button
+                class="button-dark"
+                formaction="?/deleteImage"
+                type="submit"
+              >
+                Bild löschen
+              </button>
+            {/if}
+          {/if}
+        </div>
+      </form>
+      <div class="avatar-buttons">
+        <button class="button-dark" on:click={toggleAvatars}>
+          {showAvatars ? "Abbrechen" : "Profilbild auswählen"}
+        </button>
+      </div>
+      {#if showAvatars}
+        <div class="avatar-selection">
+          {#each avatars as avatar}
+            <button
+              class="avatar-option"
+              on:click={() => {
+                user.thumbnail = avatar.src;
+                showAvatars = false;
+              }}
+            >
+              <img src={avatar.src} alt={avatar.name} width="80" />
+            </button>
+          {/each}
+        </div>
+      {/if}
+    </div>
+    <form
+      class="content"
+      action="?/updateUser"
+      method="POST"
+      use:enhance={handleUpdate}
+    >
+      <h1 class="step-title" style="text-align: center;">{$t("user_edit")}</h1>
+      {#if form?.success}
+        <h4
+          class="step-subtitle warning"
+          in:receive={{ key: Math.floor(Math.random() * 100) }}
+          out:send={{ key: Math.floor(Math.random() * 100) }}
+        >
+          Um einen fehlerhaften upload Ihres Bildes zu vermeiden, clicke bitte
+          auf den "Update" Button unten.
+        </h4>
+      {/if}
+      {#if form?.errors}
+        {#each form?.errors as error (error.id)}
+          <h4
+            class="step-subtitle warning"
+            in:receive={{ key: error.id }}
+            out:send={{ key: error.id }}
+          >
+            {error.error}
+          </h4>
+        {/each}
+      {/if}
+
+      <input type="hidden" hidden name="thumbnail" value={user.thumbnail} />
+
+      <div class="button-container">
+        {#each TABS as tab}
+          <button
+            type="button"
+            class="button-dark"
+            class:active={activeTab === tab}
+            on:click={() => setActiveTab(tab)}
+          >
+            {$t(tab)}
+          </button>
+        {/each}
+      </div>
+      {#if activeTab == "profile"}
+        <div class="tab-content">
+          <InputField
+            name="password"
+            type="password"
+            label={$t("password")}
+            placeholder={$t("placeholder_password")}
+          />
+          <InputField
+            name="password2"
+            type="password"
+            label={$t("password_repeat")}
+            placeholder={$t("placeholder_password")}
+          />
+          <InputField
+            name="first_name"
+            label={$t("first_name")}
+            value={user.first_name}
+            placeholder={$t("placeholder_first_name")}
+          />
+          <InputField
+            name="last_name"
+            label={$t("last_name")}
+            value={user.last_name}
+            placeholder={$t("placeholder_last_name")}
+          />
+          <InputField
+            name="email"
+            type="email"
+            label={$t("email")}
+            value={user.email}
+            placeholder={$t("placeholder_email")}
+          />
+          <InputField
+            name="phone"
+            type="tel"
+            label={$t("phone")}
+            value={user.phone || ""}
+            placeholder={$t("placeholder_phone")}
+          />
+          <InputField
+            name="birth_date"
+            type="date"
+            label={$t("birth_date")}
+            value={user.birth_date || ""}
+            placeholder={$t("placeholder_birth_date")}
+          />
+          <InputField
+            name="address"
+            label={$t("address")}
+            value={user.address || ""}
+            placeholder={$t("placeholder_address")}
+          />
+          <InputField
+            name="zip_code"
+            label={$t("zip_code")}
+            value={user.zip_code || ""}
+            placeholder={$t("placeholder_zip_code")}
+          />
+          <InputField
+            name="city"
+            label={$t("city")}
+            value={user.city || ""}
+            placeholder={$t("placeholder_city")}
+          />
+        </div>
+      {:else if activeTab == "membership"}
+        <div class="tab-content">
+          <InputField
+            name="membership_status"
+            label={$t("status")}
+            value={user.membership?.status || ""}
+          />
+          <InputField
+            name="membership_start_date"
+            type="date"
+            label={$t("start")}
+            value={user.membership?.start_date || ""}
+            placeholder={$t("placeholder_start_date")}
+          />
+          <InputField
+            name="membership_end_date"
+            type="date"
+            label={$t("end")}
+            value={user.membership?.end_date || ""}
+            placeholder={$t("placeholder_end_date")}
+          />
+          <InputField
+            name="parent_member_id"
+            type="number"
+            label={$t("parent_member_id")}
+            value={user.membership?.parent_member_id || ""}
+            placeholder={$t("placeholder_parent_member_id")}
+          />
+        </div>
+      {:else if activeTab == "bankaccount"}
+        <div class="tab-content">
+          <InputField
+            name="account_holder_name"
+            label={$t("bank_account_holder")}
+            value={user.bank_account?.account_holder_name || ""}
+            placeholder={$t("placeholder_bank_account_holder")}
+          />
+          <InputField
+            name="bank"
+            label={$t("bank_name")}
+            value={user.bank_account?.bank || ""}
+            placeholder={$t("placeholder_bank_name")}
+          />
+          <InputField
+            name="iban"
+            label={$t("iban")}
+            value={user.bank_account?.iban || ""}
+            placeholder={$t("placeholder_iban")}
+          />
+          <InputField
+            name="bic"
+            label={$t("bic")}
+            value={user.bank_account?.bic || ""}
+            placeholder={$t("placeholder_bic")}
+          />
+          <InputField
+            name="mandate_reference"
+            label={$t("mandate_reference")}
+            value={user.bank_account?.mandate_reference || ""}
+            placeholder={$t("placeholder_mandate_reference")}
+          />
+        </div>
+      {/if}
+      <div class="button-container">
+        {#if isUpdating}
+          <SmallLoader width={30} message={"Aktualisiere..."} />
+        {:else}
+          <button type="button" class="button-dark" on:click={close}
+            >Abbrechen</button
+          >
+          <button type="submit" class="button-dark">Bestätigen</button>
+        {/if}
+      </div>
+    </form>
+  </Modal>
+{/if}
+
+<style>
+  .tab-content {
+    padding: 1rem;
+    border-radius: 0 0 3px 3px;
+  }
+  .hero-container .hero-subtitle:not(:last-of-type) {
+    margin: 0 0 0 0;
+  }
+
+  .hero-container {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+  }
+
+  .user-info {
+    display: grid;
+    grid-template-columns: auto 1fr;
+    gap: 0.5rem 1rem;
+    align-items: start;
+    text-align: left;
+    margin-top: 1rem;
+  }
+
+  .info-row {
+    display: contents;
+  }
+
+  .label {
+    font-size: 1.3rem;
+    font-weight: bold;
+    text-align: left;
+    padding-right: 1rem;
+  }
+
+  .value {
+    margin: 0;
+    font-size: 1.2rem;
+    text-align: left;
+  }
+
+  .block-value {
+    display: flex;
+    align-items: flex-start;
+    flex-direction: column;
+  }
+
+  .hero-buttons-container {
+    margin-top: 1rem;
+  }
+
+  .user-info {
+    font-size: 1rem;
+  }
+
+  .label,
+  .value {
+    font-size: 1.1rem;
+  }
+
+  .avatar-container {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    width: 100%;
+  }
+
+  .avatar-form {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    width: 100%;
+  }
+
+  .current-avatar {
+    margin-bottom: 1rem;
+  }
+
+  .avatar-buttons {
+    display: flex;
+    flex-direction: column;
+    align-items: center;
+    gap: 1rem;
+    width: 100%;
+    max-width: 200px;
+  }
+
+  .avatar-buttons button {
+    margin-top: 1.5rem;
+    width: 100%;
+  }
+
+  .avatar-selection {
+    display: flex;
+    flex-wrap: wrap;
+    justify-content: center;
+    gap: 10px;
+    margin-top: 1rem;
+  }
+
+  .avatar-option {
+    width: 80px;
+    height: 80px;
+    padding: 0;
+    border: none;
+    background: none;
+    cursor: pointer;
+    transition: transform 0.2s;
+  }
+
+  .avatar-option:hover,
+  .avatar-option:focus {
+    transform: scale(1.8);
+  }
+
+  .avatar-option img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+    border-radius: 50%;
+  }
+  .button-container {
+    display: flex;
+    justify-content: space-between;
+    flex-wrap: wrap;
+    gap: 10px;
+    margin-top: 1rem;
+    width: 100%;
+  }
+
+  .button-container button {
+    flex: 1 1 0;
+    min-width: 120px;
+    max-width: calc(50%-5px);
+  }
+  @media (max-width: 480px) {
+    .button-container button {
+      flex-basis: 100%;
+      max-width: none;
+    }
+  }
+</style>

frontend/src/routes/auth/login/+page.svelte

@@ -2,6 +2,7 @@
   import { applyAction, enhance } from "$app/forms";
   import { page } from "$app/stores";
   import { receive, send } from "$lib/utils/helpers";
+  import { t } from "svelte-i18n";
 
   /** @type {import('./$types').ActionData} */
   export let form;
@@ -26,7 +27,7 @@
     action="?/login"
     use:enhance={handleLogin}
   >
-    <h1 class="step-title">Login User</h1>
+    <h1 class="step-title">{$t("user_login")}</h1>
     {#if form?.errors}
       {#each form?.errors as error (error.id)}
         <h4
@@ -49,28 +50,45 @@
       value={$page.url.searchParams.get("next")}
     />
     <div class="input-box">
-      <span class="label">Email:</span>
+      <span class="label">{$t("email")}:</span>
       <input
         class="input"
         type="email"
         name="email"
-        placeholder="Email address"
+        placeholder="{$t('placeholder_email')} "
       />
     </div>
     <div class="input-box">
-      <span class="label">Password:</span>
+      <span class="label">{$t("password")}:</span>
+      <div class="input-wrapper">
         <input
           class="input"
           type="password"
           name="password"
-        placeholder="Password"
+          placeholder={$t("placeholder_password")}
         />
-      <a href="/auth/password/request-change" style="margin-left: 1rem;"
+        <a href="/auth/password/request-change" class="forgot-password"
-        >Forgot password?</a
+          >{$t("forgot_password")}?</a
         >
       </div>
+    </div>
     <div class="btn-container">
-      <button class="button-dark">Login</button>
+      <button class="button-dark">{$t("login")} </button>
     </div>
   </form>
 </div>
+
+<style>
+  .input-wrapper {
+    display: flex;
+    flex-direction: column;
+    align-items: flex-end;
+    width: 100%;
+    max-width: 444px;
+  }
+
+  .forgot-password {
+    margin-top: 0.5rem;
+    font-size: 0.9em;
+  }
+</style>