feat: move all frontend projects under the same Angular workspace (#1141)

* feat: move all frontend projects under the same Angular workspace

* Refactor/angular workspace (#1154)

* update frontend build steps

Co-authored-by: waterplea <alexander@inkin.ru>
Co-authored-by: Matt Hill <matthewonthemoon@gmail.com>
Co-authored-by: Lucy Cifferello <12953208+elvece@users.noreply.github.com>

frontend/projects/ui/src/app/components/backup-drives/backup.service.ts

@@ -0,0 +1,58 @@
+import { Injectable } from '@angular/core'
+import { IonicSafeString } from '@ionic/core'
+import { ApiService } from 'src/app/services/api/embassy-api.service'
+import { getErrorMessage } from 'src/app/services/error-toast.service'
+import { BackupTarget, CifsBackupTarget, DiskBackupTarget } from 'src/app/services/api/api.types'
+import { Emver } from 'src/app/services/emver.service'
+import { MappedBackupTarget } from 'src/app/util/misc.util'
+
+@Injectable({
+  providedIn: 'root',
+})
+export class BackupService {
+  cifs: MappedBackupTarget<CifsBackupTarget>[]
+  drives: MappedBackupTarget<DiskBackupTarget>[]
+  loading = true
+  loadingError: string | IonicSafeString
+
+  constructor (
+    private readonly embassyApi: ApiService,
+    private readonly emver: Emver,
+  ) { }
+
+  async getBackupTargets (): Promise<void> {
+    this.loading = true
+
+    try {
+      const targets = await this.embassyApi.getBackupTargets({ })
+      // cifs
+      this.cifs = Object.entries(targets)
+      .filter(([_, target]) => target.type === 'cifs')
+      .map(([id, cifs]) => {
+        return {
+          id,
+          hasValidBackup: this.hasValidBackup(cifs),
+          entry: cifs as CifsBackupTarget,
+        }
+      })
+      // drives
+      this.drives = Object.entries(targets)
+      .filter(([_, target]) => target.type === 'disk')
+      .map(([id, drive]) => {
+        return {
+          id,
+          hasValidBackup: this.hasValidBackup(drive),
+          entry: drive as DiskBackupTarget,
+        }
+      })
+    } catch (e) {
+      this.loadingError = getErrorMessage(e)
+    } finally {
+      this.loading = false
+    }
+  }
+
+  hasValidBackup (target: BackupTarget): boolean {
+    return [0, 1].includes(this.emver.compare(target['embassy-os']?.version, '0.3.0'))
+  }
+}