Migration Improvements (#47)

Make "migration" "import everywhere"

Add checking for migration status before trying to migrate

Add get status from migrations

Co-authored-by: kolaente <k@knt.li>
Reviewed-on: https://kolaente.dev/vikunja/frontend/pulls/47

src/services/abstractService.js

@@ -282,9 +282,21 @@ export default class AbstractService {
 			return Promise.reject({message: 'This model is not able to get data.'})
 		}
 
+		return this.getM(this.paths.get, model, params)
+	}
+
+	/**
+	 * This is a more abstract implementation which only does a get request.
+	 * Services which need more flexibility can use this.
+	 * @param url
+	 * @param model
+	 * @param params
+	 * @returns {Q.Promise<unknown>}
+	 */
+	getM(url, model = {}, params = {}) {
 		const cancel = this.setLoading()
 		model = this.beforeGet(model)
-		return this.http.get(this.getReplacedRoute(this.paths.get, model), {params: params})
+		return this.http.get(this.getReplacedRoute(url, model), {params: params})
 			.catch(error => {
 				return this.errorHandler(error)
 			})

src/services/migrator/abstractMigrationService.js

@@ -3,15 +3,21 @@ import AbstractService from '../abstractService'
 // This service builds on top of the abstract service and basically just hides away method names.
 // It enables migration services to be created with minimal overhead and even better method names.
 export default class AbstractMigrationService extends AbstractService {
+	serviceUrlKey = ''
+
 	constructor(serviceUrlKey) {
 		super({
 			update: '/migration/'+serviceUrlKey+'/migrate',
-			get: '/migration/'+serviceUrlKey+'/auth',
 		})
+		this.serviceUrlKey = serviceUrlKey
 	}
 
 	getAuthUrl() {
-		return this.get({})
+		return this.getM('/migration/'+this.serviceUrlKey+'/auth')
+	}
+
+	getStatus() {
+		return this.getM('/migration/'+this.serviceUrlKey+'/status')
 	}
 
 	migrate(data) {