fix(settings) Some cleanup + large preview of avatar

src/components/settings/MainUserSettings.vue

@@ -1,4 +1,15 @@
 <template>
+  <q-dialog v-model="preview" auto-close square>
+    <q-card class="q-dialog-plugin">
+      <q-img :src="image" fit="contain">
+        <template #error>
+          <div style="width: 100%; height: 100%" class="row justify-center">
+            <img style="height: 100%; background: white" src="no-image.svg" />
+          </div>
+        </template>
+      </q-img>
+    </q-card>
+  </q-dialog>
   <q-form @submit="save" @reset="reset">
     <q-card-section class="fit row justify-start content-center items-center">
       <q-input
@@ -62,26 +73,32 @@
       />
       <q-file
         v-model="avatar"
-        class="col-xs-12 col-sm-6 q-pa-sm"
         filled
+        clearable
         label="Avatar"
-        accept=".jpg, image/*"
+        accept="image/*, .jpg, .png"
-        hint="Bilddateien nur JPEG"
+        class="col-xs-12 col-sm-6 q-pa-sm"
-        :clearable="avatar.name !== '' || deleteAvatar"
+        @clear="avatar = undefined"
-        @update:model-value="imagePreview"
-        @clear="clear"
         @rejected="onAvatarRejected"
       >
-        <template #file="{ file }">
+        <template #before>
-          <div class="full-width row justify-center">
+          <q-avatar @click="preview = true">
-            <q-avatar size="265px">
+            <q-img
-              <q-img v-if="!avatarError || file.name !== ''" :src="image" @error="error" />
+              style="min-width: 100%; min-height: 100%"
-              <q-img v-else src="no-image.svg" />
+              :src="image"
+              @error="hasAvatar = false"
+            >
+              <template #error><img style="width: 100%" src="no-image.svg" /></template
+            ></q-img>
           </q-avatar>
-          </div>
         </template>
-        <template #append v-if="!avatarError && !deleteAvatar">
+        <template #append>
-          <q-btn round color="negative" icon="mdi-trash-can" size="xs" @click="toDeleteAvatar" />
+          <q-icon
+            v-if="!avatar && hasAvatar"
+            :name="deleteAvatar ? 'mdi-delete-restore' : 'mdi-delete'"
+            class="cursor-pointer"
+            @click="deleteAvatar = !deleteAvatar"
+          />
         </template>
       </q-file>
     </q-card-section>
@@ -117,13 +134,15 @@ import { Notify } from 'quasar';
 import { IsoDateInput, PasswordInput } from '@flaschengeist/api/components';
 import { defineComponent, computed, ref, onBeforeMount, PropType, watchEffect } from 'vue';
 import {
+  avatarURL,
   hasPermission,
   notEmpty,
   isEmail,
   useMainStore,
   useUserStore,
-  api,
+  isAxiosError,
 } from '@flaschengeist/api';
+import { PERMISSIONS } from '../../permissions';
 
 export default defineComponent({
   name: 'MainUserSettings',
@@ -146,27 +165,41 @@ export default defineComponent({
       void userStore.getRoles(false);
     });
 
+    const preview = ref(false);
     const password = ref('');
     const newPassword = ref('');
-    const avatar = ref<File>(new File([], '', {}));
+    const avatar = ref<File>();
-    const avatarError = ref(false);
     const userModel = ref(Object.assign({}, props.user));
+    const previewURL = ref<string>(); //< Preview of an avatar as data URL
 
-    const canSetRoles = computed(() => hasPermission('users_set_roles'));
     const allRoles = computed(() => userStore.roles.map((role) => role.name));
+
+    const canSetRoles = computed(() => hasPermission(PERMISSIONS.SET_ROLES));
     const isCurrentUser = computed(() => userModel.value.userid === mainStore.currentUser.userid);
 
-    const _deleteAvatar = ref(false);
+    const deleteAvatar = ref(false);
-    const deleteAvatar = computed({
+    const hasAvatar = ref(true);
-      get: () => _deleteAvatar.value,
-      set: (val: boolean) => (_deleteAvatar.value = val),
-    });
 
     /* Reset model if props changed */
     watchEffect(() => {
       if (props.user.userid && props.user.userid !== userModel.value.userid) reset();
     });
 
+    watchEffect(() => {
+      if (avatar.value && avatar.value instanceof File) {
+        let reader = new FileReader();
+
+        reader.onload = (e) => {
+          previewURL.value = <string | undefined>(e.target?.result || undefined);
+        };
+
+        reader.readAsDataURL(avatar.value);
+      } else previewURL.value = undefined;
+    });
+
+    /**
+     * Notify user is file does not fulfil the requirements
+     */
     function onAvatarRejected() {
       Notify.create({
         group: false,
@@ -179,6 +212,9 @@ export default defineComponent({
       avatar.value = new File([], '', {});
     }
 
+    /**
+     * Save changes, emit user model, directly uploads / deletes avatar by using the API
+     */
     async function save() {
       let changed: FG.User = userModel.value;
       if (typeof changed.birthday === 'string') changed.birthday = new Date(changed.birthday);
@@ -193,16 +229,14 @@ export default defineComponent({
 
       emit('update:user', changed);
 
-      if (avatar.value instanceof File && avatar.value.name)
+      if (avatar.value !== undefined && avatar.value.name) {
         await userStore
-          .uploadAvatar(changed, avatar.value instanceof File ? avatar.value : avatar.value[0])
+          .uploadAvatar(changed, avatar.value)
-          .catch((response: Response) => {
+          .catch((response) => isAxiosError(response, 400) && onAvatarRejected());
-            if (response && response.status == 400) {
+        hasAvatar.value = true;
-              onAvatarRejected();
+      } else if (deleteAvatar.value) {
-            }
-          });
-      if (deleteAvatar.value) {
         await userStore.deleteAvatar(changed);
+        hasAvatar.value = false
       }
       password.value = '';
     }
@@ -211,9 +245,9 @@ export default defineComponent({
       userModel.value = Object.assign({}, props.user);
       password.value = '';
       newPassword.value = '';
-      imgsrc.value = undefined;
+      avatar.value = undefined;
+      previewURL.value = undefined;
       deleteAvatar.value = false;
-      avatarError.value = false;
     }
 
     function isFreeUID(val: string) {
@@ -223,49 +257,23 @@ export default defineComponent({
       );
     }
 
-    const imgsrc = ref();
-
     const image = computed(() => {
-      if (imgsrc.value) {
+      if (previewURL.value) {
-        return <string>imgsrc.value;
+        return previewURL.value;
       }
-      if (props.user.avatar_url && !deleteAvatar.value) {
+      if (!deleteAvatar.value) {
-        return `${api.defaults.baseURL || ''}${props.user.avatar_url}`;
+        return avatarURL(props.user);
       }
       return 'no-image.svg';
     });
 
-    function imagePreview() {
-      if (avatar.value && avatar.value instanceof File) {
-        let reader = new FileReader();
-
-        reader.onload = (e) => {
-          imgsrc.value = e.target?.result;
-        };
-
-        reader.readAsDataURL(avatar.value);
-      }
-    }
-    function clear(val: File) {
-      avatar.value = new File([], '', {});
-      imgsrc.value = undefined;
-      deleteAvatar.value = false;
-    }
-
-    function toDeleteAvatar() {
-      avatar.value = new File([], '', {});
-      imgsrc.value = undefined;
-      deleteAvatar.value = true;
-    }
-
-    function error() {
-      avatarError.value = true;
-    }
-
     return {
       allRoles,
       avatar,
       canSetRoles,
+      deleteAvatar,
+      hasAvatar,
+      image,
       isCurrentUser,
       isEmail,
       isFreeUID,
@@ -273,16 +281,10 @@ export default defineComponent({
       notEmpty,
       onAvatarRejected,
       password,
+      preview,
       reset,
       save,
       userModel,
-      image,
-      imagePreview,
-      clear,
-      deleteAvatar,
-      avatarError,
-      toDeleteAvatar,
-      error,
     };
   },
 });