implement user preference for elevation plots starting at zero;

add docker make command to downgrade db;
add (google-powered) translations for the new labels

fittrackee_client/src/components/User/ProfileDisplay/UserPreferences.vue

@@ -19,6 +19,8 @@
       </dd>
       <dt>{{ $t('user.PROFILE.ASCENT_DATA') }}:</dt>
       <dd>{{ $t(`common.${display_ascent}`) }}</dd>
+      <dt>{{ $t('user.PROFILE.START_ELEVATION_AT_ZERO') }}:</dt>
+      <dd>{{ $t(`common.${startElevationAtZero}`) }}</dd>
     </dl>
     <div class="profile-buttons">
       <button @click="$router.push('/profile/edit/preferences')">
@@ -54,6 +56,7 @@
       : languageLabels['en']
   )
   const fistDayOfWeek = computed(() => (props.user.weekm ? 'MONDAY' : 'SUNDAY'))
+  const startElevationAtZero = computed(() => (props.user.start_elevation_at_zero ? 'TRUE' : 'FALSE'))
   const timezone = computed(() =>
     props.user.timezone ? props.user.timezone : 'Europe/Paris'
   )

fittrackee_client/src/components/User/ProfileEdition/UserPreferencesEdition.vue

@@ -99,6 +99,26 @@
             </label>
           </div>
         </div>
+        <div class="form-items form-checkboxes">
+          <span class="checkboxes-label">
+            {{ $t('user.PROFILE.START_ELEVATION_AT_ZERO') }}
+          </span>
+          <div class="checkboxes">
+            <label v-for="status in startElevationAtZeroData" :key="status.label">
+              <input
+                type="radio"
+                :id="status.label"
+                :name="status.label"
+                :checked="status.value === userForm.start_elevation_at_zero"
+                :disabled="loading"
+                @input="updateStartElevationAtZero(status.value)"
+              />
+              <span class="checkbox-label">
+                {{ $t(`common.${status.label}`) }}
+              </span>
+            </label>
+          </div>
+        </div>
         <div class="form-buttons">
           <button class="confirm" type="submit">
             {{ $t('buttons.SUBMIT') }}
@@ -170,6 +190,16 @@
       value: false,
     },
   ]
+  const startElevationAtZeroData = [
+    {
+      label: 'TRUE',
+      value: true
+    },
+    {
+      label: 'FALSE',
+      value: false
+    }
+  ]
   const loading = computed(
     () => store.getters[AUTH_USER_STORE.GETTERS.USER_LOADING]
   )
@@ -192,6 +222,7 @@
 
   function updateUserForm(user: IAuthUserProfile) {
     userForm.display_ascent = user.display_ascent
+    userForm.start_elevation_at_zero = user.start_elevation_at_zero ? user.start_elevation_at_zero : false
     userForm.imperial_units = user.imperial_units ? user.imperial_units : false
     userForm.language = user.language ? user.language : 'en'
     userForm.timezone = user.timezone ? user.timezone : 'Europe/Paris'
@@ -204,6 +235,9 @@
   function updateTZ(value: string) {
     userForm.timezone = value
   }
+  function updateStartElevationAtZero(value: boolean) {
+    userForm.start_elevation_at_zero = value
+  }
   function updateAscentDisplay(value: boolean) {
     userForm.display_ascent = value
   }

fittrackee_client/src/components/Workout/WorkoutDetail/WorkoutChart/index.vue

@@ -78,7 +78,7 @@
   const { t } = useI18n()
 
   const displayDistance = ref(true)
-  const beginElevationAtZero = ref(true)
+  const beginElevationAtZero = ref(props.authUser.start_elevation_at_zero)
   const datasets: ComputedRef<IWorkoutChartData> = computed(() =>
     getDatasets(props.workoutData.chartData, t, props.authUser.imperial_units)
   )