implemented import/export for themes

src/components/settings_modal/settings_modal.js

@@ -2,10 +2,52 @@ import Modal from 'src/components/modal/modal.vue'
 import PanelLoading from 'src/components/panel_loading/panel_loading.vue'
 import AsyncComponentError from 'src/components/async_component_error/async_component_error.vue'
 import getResettableAsyncComponent from 'src/services/resettable_async_component.js'
+import Popover from '../popover/popover.vue'
+import { library } from '@fortawesome/fontawesome-svg-core'
+import { cloneDeep } from 'lodash'
+import {
+  newImporter,
+  newExporter
+} from 'src/services/export_import/export_import.js'
+import {
+  faTimes,
+  faFileUpload,
+  faFileDownload,
+  faChevronDown
+} from '@fortawesome/free-solid-svg-icons'
+import {
+  faWindowMinimize
+} from '@fortawesome/free-regular-svg-icons'
+
+library.add(
+  faTimes,
+  faWindowMinimize,
+  faFileUpload,
+  faFileDownload,
+  faChevronDown
+)
 
 const SettingsModal = {
+  data () {
+    return {
+      dataImporter: newImporter({
+        validator: this.importValidator,
+        onImport: this.onImport,
+        onImportFailure: this.onImportFailure
+      }),
+      dataThemeExporter: newExporter({
+        filename: 'pleromafe_settings.full',
+        getExportedObject: () => this.generateExport(true)
+      }),
+      dataExporter: newExporter({
+        filename: 'pleromafe_settings',
+        getExportedObject: () => this.generateExport()
+      })
+    }
+  },
   components: {
     Modal,
+    Popover,
     SettingsModalContent: getResettableAsyncComponent(
       () => import('./settings_modal_content.vue'),
       {
@@ -21,6 +63,44 @@ const SettingsModal = {
     },
     peekModal () {
       this.$store.dispatch('togglePeekSettingsModal')
+    },
+    importValidator (data) {
+      return data._pleroma_settings_version[0] === 1
+    },
+    onImportFailure () {
+      this.$store.dispatch('pushGlobalNotice', { messageKey: 'settings.invalid_settings_imported', level: 'error' })
+    },
+    onImport (data) {
+      this.$store.dispatch('loadSettings', data)
+    },
+    restore () {
+      console.log(this.dataImporter)
+      this.dataImporter.importData()
+    },
+    backup () {
+      this.dataExporter.exportData()
+    },
+    backupWithTheme () {
+      this.dataThemeExporter.exportData()
+    },
+    generateExport (theme = false) {
+      const { config } = this.$store.state
+      let sample = config
+      if (!theme) {
+        const ignoreList = new Set([
+          'customTheme',
+          'customThemeSource',
+          'colors'
+        ])
+        sample = Object.fromEntries(
+          Object
+            .entries(sample)
+            .filter(([key]) => !ignoreList.has(key))
+        )
+      }
+      const clone = cloneDeep(sample)
+      clone._pleroma_settings_version = [1, 0]
+      return clone
     }
   },
   computed: {