451 lines
14 KiB
Svelte
451 lines
14 KiB
Svelte
<!-- [DEF:MigrationDashboard:Component] -->
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<!--
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@SEMANTICS: migration, dashboard, environment, selection, database-replacement
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@PURPOSE: Main dashboard for configuring and starting migrations.
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@LAYER: Page
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@RELATION: USES -> EnvSelector
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@INVARIANT: Migration cannot start without source and target environments.
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-->
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<script lang="ts">
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// [SECTION: IMPORTS]
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import { onMount } from "svelte";
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import EnvSelector from "../../components/EnvSelector.svelte";
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import DashboardGrid from "../../components/DashboardGrid.svelte";
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import MappingTable from "../../components/MappingTable.svelte";
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import TaskRunner from "../../components/TaskRunner.svelte";
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import TaskHistory from "../../components/TaskHistory.svelte";
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import TaskLogViewer from "../../components/TaskLogViewer.svelte";
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import PasswordPrompt from "../../components/PasswordPrompt.svelte";
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import { api } from "../../lib/api.js";
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import { selectedTask } from "../../lib/stores.js";
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import { resumeTask } from "../../services/taskService.js";
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import type {
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DashboardMetadata,
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DashboardSelection,
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} from "../../types/dashboard";
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import { t } from "$lib/i18n";
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import { Button, Card, PageHeader } from "$lib/ui";
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// [/SECTION]
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// [SECTION: STATE]
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let environments: any[] = [];
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let sourceEnvId = "";
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let targetEnvId = "";
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let replaceDb = false;
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let fixCrossFilters = true;
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let loading = true;
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let error = "";
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let dashboards: DashboardMetadata[] = [];
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let selectedDashboardIds: number[] = [];
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let sourceDatabases: any[] = [];
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let targetDatabases: any[] = [];
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let mappings: any[] = [];
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let suggestions: any[] = [];
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let fetchingDbs = false;
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// UI State for Modals
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let showLogViewer = false;
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let logViewerTaskId: string | null = null;
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let logViewerTaskStatus: string | null = null;
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let showPasswordPrompt = false;
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let passwordPromptDatabases: string[] = [];
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let passwordPromptErrorMessage = "";
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// [/SECTION]
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// [DEF:fetchEnvironments:Function]
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/**
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* @purpose Fetches the list of environments from the API.
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* @pre None.
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* @post environments state is updated.
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*/
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async function fetchEnvironments() {
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try {
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environments = await api.getEnvironmentsList();
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} catch (e) {
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error = e.message;
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} finally {
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loading = false;
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}
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}
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// [/DEF:fetchEnvironments:Function]
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// [DEF:fetchDashboards:Function]
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/**
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* @purpose Fetches dashboards for the selected source environment.
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* @pre envId is a valid environment ID.
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* @param envId The environment ID.
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* @post dashboards state is updated.
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*/
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async function fetchDashboards(envId: string) {
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try {
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dashboards = await api.requestApi(`/environments/${envId}/dashboards`);
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selectedDashboardIds = []; // Reset selection when env changes
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} catch (e) {
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error = e.message;
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dashboards = [];
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}
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}
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// [/DEF:fetchDashboards:Function]
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onMount(fetchEnvironments);
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// Reactive: fetch dashboards when source env changes
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$: if (sourceEnvId) fetchDashboards(sourceEnvId);
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// [DEF:fetchDatabases:Function]
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/**
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* @purpose Fetches databases from both environments and gets suggestions.
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* @pre sourceEnvId and targetEnvId must be set.
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* @post sourceDatabases, targetDatabases, mappings, and suggestions are updated.
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*/
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async function fetchDatabases() {
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if (!sourceEnvId || !targetEnvId) return;
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fetchingDbs = true;
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error = "";
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try {
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const [src, tgt, maps, sugs] = await Promise.all([
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api.requestApi(`/environments/${sourceEnvId}/databases`),
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api.requestApi(`/environments/${targetEnvId}/databases`),
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api.requestApi(
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`/mappings?source_env_id=${sourceEnvId}&target_env_id=${targetEnvId}`,
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),
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api.postApi(`/mappings/suggest`, {
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source_env_id: sourceEnvId,
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target_env_id: targetEnvId,
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}),
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]);
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sourceDatabases = src;
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targetDatabases = tgt;
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mappings = maps;
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suggestions = sugs;
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} catch (e) {
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error = e.message;
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} finally {
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fetchingDbs = false;
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}
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}
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// [/DEF:fetchDatabases:Function]
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// [DEF:handleMappingUpdate:Function]
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/**
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* @purpose Saves a mapping to the backend.
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* @pre event.detail contains sourceUuid and targetUuid.
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* @post Mapping is saved and local mappings list is updated.
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*/
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async function handleMappingUpdate(event: CustomEvent) {
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const { sourceUuid, targetUuid } = event.detail;
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const sDb = sourceDatabases.find((d) => d.uuid === sourceUuid);
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const tDb = targetDatabases.find((d) => d.uuid === targetUuid);
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if (!sDb || !tDb) return;
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try {
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const savedMapping = await api.postApi("/mappings", {
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source_env_id: sourceEnvId,
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target_env_id: targetEnvId,
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source_db_uuid: sourceUuid,
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target_db_uuid: targetUuid,
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source_db_name: sDb.database_name,
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target_db_name: tDb.database_name,
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});
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mappings = [
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...mappings.filter((m) => m.source_db_uuid !== sourceUuid),
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savedMapping,
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];
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} catch (e) {
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error = e.message;
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}
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}
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// [/DEF:handleMappingUpdate:Function]
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// [DEF:handleViewLogs:Function]
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// @PURPOSE: Opens the log viewer for a specific task.
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// @PRE: event.detail contains task object.
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// @POST: logViewer state updated and showLogViewer set to true.
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function handleViewLogs(event: CustomEvent) {
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const task = event.detail;
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logViewerTaskId = task.id;
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logViewerTaskStatus = task.status;
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showLogViewer = true;
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}
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// [/DEF:handleViewLogs:Function]
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// [DEF:handlePasswordPrompt:Function]
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// @PURPOSE: Reactive logic to show password prompt when a task is awaiting input.
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// @PRE: selectedTask status is AWAITING_INPUT.
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// @POST: showPasswordPrompt set to true with request data.
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// This is triggered by TaskRunner or TaskHistory when a task needs input
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// For now, we rely on the WebSocket or manual check.
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// Ideally, TaskHistory or TaskRunner emits an event when input is needed.
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// Or we watch selectedTask.
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$: if (
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$selectedTask &&
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$selectedTask.status === "AWAITING_INPUT" &&
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$selectedTask.input_request
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) {
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const req = $selectedTask.input_request;
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if (req.type === "database_password") {
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passwordPromptDatabases = req.databases || [];
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passwordPromptErrorMessage = req.error_message || "";
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showPasswordPrompt = true;
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}
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} else if (!$selectedTask || $selectedTask.status !== "AWAITING_INPUT") {
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// Close prompt if task is no longer waiting (e.g. resumed)
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// But only if we are viewing this task.
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// showPasswordPrompt = false;
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// Actually, don't auto-close, let the user or success handler close it.
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}
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// [/DEF:handlePasswordPrompt:Function]
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// [DEF:handleResumeMigration:Function]
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// @PURPOSE: Resumes a migration task with provided passwords.
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// @PRE: event.detail contains passwords.
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// @POST: resumeTask is called and showPasswordPrompt is hidden on success.
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async function handleResumeMigration(event: CustomEvent) {
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if (!$selectedTask) return;
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const { passwords } = event.detail;
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try {
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await resumeTask($selectedTask.id, passwords);
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showPasswordPrompt = false;
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// Task status update will be handled by store/websocket
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} catch (e) {
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console.error("Failed to resume task:", e);
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passwordPromptErrorMessage =
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e.message || $t.migration?.resume_failed ;
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// Keep prompt open
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}
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}
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// [/DEF:handleResumeMigration:Function]
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// [DEF:startMigration:Function]
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/**
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* @purpose Starts the migration process.
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* @pre sourceEnvId and targetEnvId must be set and different.
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* @post Migration task is started and selectedTask is updated.
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*/
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async function startMigration() {
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if (!sourceEnvId || !targetEnvId) {
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error =
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$t.migration?.select_both_envs ||
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"Please select both source and target environments.";
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return;
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}
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if (sourceEnvId === targetEnvId) {
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error =
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$t.migration?.different_envs ||
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"Source and target environments must be different.";
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return;
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}
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if (selectedDashboardIds.length === 0) {
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error =
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$t.migration?.select_dashboards ||
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"Please select at least one dashboard to migrate.";
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return;
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}
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error = "";
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try {
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const selection: DashboardSelection = {
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selected_ids: selectedDashboardIds,
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source_env_id: sourceEnvId,
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target_env_id: targetEnvId,
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replace_db_config: replaceDb,
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fix_cross_filters: fixCrossFilters,
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};
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console.log(
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`[MigrationDashboard][Action] Starting migration with selection:`,
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selection,
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);
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const result = await api.postApi("/migration/execute", selection);
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console.log(
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`[MigrationDashboard][Action] Migration started: ${result.task_id} - ${result.message}`,
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);
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// Wait a brief moment for the backend to ensure the task is retrievable
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await new Promise((r) => setTimeout(r, 500));
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// Fetch full task details and switch to TaskRunner view
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try {
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const task = await api.getTask(result.task_id);
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selectedTask.set(task);
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} catch (fetchErr) {
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// Fallback: create a temporary task object to switch view immediately
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console.warn(
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$t.migration?.task_placeholder_warn ||
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"Could not fetch task details immediately, using placeholder.",
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);
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selectedTask.set({
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id: result.task_id,
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plugin_id: "superset-migration",
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status: "RUNNING",
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logs: [],
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params: {},
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});
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}
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} catch (e) {
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console.error(`[MigrationDashboard][Failure] Migration failed:`, e);
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error = e.message;
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}
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}
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// [/DEF:startMigration:Function]
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</script>
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<!-- [SECTION: TEMPLATE] -->
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<div class="max-w-4xl mx-auto p-6">
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<PageHeader title={$t.nav.migration} />
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<TaskHistory on:viewLogs={handleViewLogs} />
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{#if $selectedTask}
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<div class="mt-6">
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<TaskRunner />
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<div class="mt-4">
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<Button variant="secondary" on:click={() => selectedTask.set(null)}>
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{$t.common.cancel}
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</Button>
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</div>
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</div>
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{:else}
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{#if loading}
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<p>{$t.migration?.loading_envs }</p>
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{:else if error}
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<div
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class="bg-red-100 border border-red-400 text-red-700 px-4 py-3 rounded mb-4"
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>
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{error}
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</div>
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{/if}
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<div class="grid grid-cols-1 md:grid-cols-2 gap-6 mb-8">
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<EnvSelector
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label={$t.migration?.source_env }
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bind:selectedId={sourceEnvId}
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{environments}
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/>
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<EnvSelector
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label={$t.migration?.target_env }
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bind:selectedId={targetEnvId}
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{environments}
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/>
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</div>
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<!-- [DEF:DashboardSelectionSection:Component] -->
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<div class="mb-8">
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<h2 class="text-lg font-medium mb-4">
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{$t.migration?.select_dashboards_title }
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</h2>
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{#if sourceEnvId}
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<DashboardGrid
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{dashboards}
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bind:selectedIds={selectedDashboardIds}
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environmentId={sourceEnvId}
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/>
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{:else}
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<p class="text-gray-500 italic">
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{$t.dashboard?.select_source ||
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"Select a source environment to view dashboards."}
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</p>
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{/if}
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</div>
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<!-- [/DEF:DashboardSelectionSection:Component] -->
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<div class="mb-4">
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<div class="flex items-center mb-2">
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<input
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id="fix-cross-filters"
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type="checkbox"
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bind:checked={fixCrossFilters}
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class="h-4 w-4 text-indigo-600 focus:ring-indigo-500 border-gray-300 rounded"
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/>
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<label for="fix-cross-filters" class="ml-2 block text-sm text-gray-900">
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{$t.migration?.fix_cross_filters ||
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"Fix Cross-Filters (Auto-repair broken links during migration)"}
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</label>
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</div>
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<div class="flex items-center">
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<input
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id="replace-db"
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type="checkbox"
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bind:checked={replaceDb}
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on:change={() => {
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if (replaceDb && sourceDatabases.length === 0) fetchDatabases();
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}}
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class="h-4 w-4 text-indigo-600 focus:ring-indigo-500 border-gray-300 rounded"
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/>
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<label for="replace-db" class="ml-2 block text-sm text-gray-900">
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{$t.migration?.replace_db }
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</label>
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</div>
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</div>
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{#if replaceDb}
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<div class="mb-8 p-4 border rounded-md bg-gray-50">
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<h3 class="text-md font-medium mb-4">
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{$t.migration?.database_mappings }
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</h3>
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{#if fetchingDbs}
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<p>
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{$t.migration?.loading_dbs ||
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"Loading databases and suggestions..."}
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</p>
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{:else if sourceDatabases.length > 0}
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<MappingTable
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{sourceDatabases}
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{targetDatabases}
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{mappings}
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{suggestions}
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on:update={handleMappingUpdate}
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/>
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{:else if sourceEnvId && targetEnvId}
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<button
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on:click={fetchDatabases}
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class="text-indigo-600 hover:text-indigo-500 text-sm font-medium"
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>
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{$t.migration?.refresh_dbs }
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</button>
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{/if}
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</div>
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{/if}
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<Button
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on:click={startMigration}
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disabled={!sourceEnvId ||
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!targetEnvId ||
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sourceEnvId === targetEnvId ||
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selectedDashboardIds.length === 0}
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>
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{$t.migration?.start }
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</Button>
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{/if}
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</div>
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<!-- Modals -->
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<TaskLogViewer
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bind:show={showLogViewer}
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taskId={logViewerTaskId}
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taskStatus={logViewerTaskStatus}
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on:close={() => (showLogViewer = false)}
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/>
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<PasswordPrompt
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bind:show={showPasswordPrompt}
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databases={passwordPromptDatabases}
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errorMessage={passwordPromptErrorMessage}
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on:resume={handleResumeMigration}
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on:cancel={() => (showPasswordPrompt = false)}
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/>
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<!-- [/SECTION] -->
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<!-- [/DEF:MigrationDashboard:Component] -->
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