feat(#4): Add versioning of application form

legalconsenthub/app/composables/applicationFormVersion/useApplicationFormVersion.ts

@@ -0,0 +1,43 @@
+import type { ApplicationFormVersionDto, ApplicationFormVersionListItemDto, ApplicationFormDto } from '~~/.api-client'
+import { useApplicationFormVersionApi } from '~/composables'
+
+export function useApplicationFormVersion() {
+  const versionApi = useApplicationFormVersionApi()
+
+  async function getVersions(applicationFormId: string): Promise<ApplicationFormVersionListItemDto[]> {
+    try {
+      return await versionApi.getVersions(applicationFormId)
+    } catch (e: unknown) {
+      console.error(`Failed retrieving versions for application form ${applicationFormId}:`, e)
+      return Promise.reject(e)
+    }
+  }
+
+  async function getVersion(applicationFormId: string, versionNumber: number): Promise<ApplicationFormVersionDto> {
+    try {
+      return await versionApi.getVersion(applicationFormId, versionNumber)
+    } catch (e: unknown) {
+      console.error(`Failed retrieving version ${versionNumber} for application form ${applicationFormId}:`, e)
+      return Promise.reject(e)
+    }
+  }
+
+  async function restoreVersion(applicationFormId: string, versionNumber: number): Promise<ApplicationFormDto> {
+    if (!applicationFormId) {
+      return Promise.reject(new Error('Application form ID missing'))
+    }
+
+    try {
+      return await versionApi.restoreVersion(applicationFormId, versionNumber)
+    } catch (e: unknown) {
+      console.error(`Failed restoring version ${versionNumber} for application form ${applicationFormId}:`, e)
+      return Promise.reject(e)
+    }
+  }
+
+  return {
+    getVersions,
+    getVersion,
+    restoreVersion
+  }
+}