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import { CommonModule } from '@angular/common';
import { FormsModule } from '@angular/forms';
import { RouterLink } from '@angular/router';
import { SharedModule } from '../../../shared/shared-module';
import { StorageType, STORAGE_TYPE, STORAGE_PROVIDER } from '../../../core/services/storage-provider.factory';
import { IStorageProvider } from '../../../core/domain/interfaces/storage.interface';
import { IPFSStorageService, IPFS_CONFIG } from '../../../core/services/ipfs/ipfs-storage.service';
import { HeliaStorageService } from '../../../core/services/helia/helia-storage.service';
import { IPFSConfig } from '../../../core/domain/interfaces/ipfs.interface';
@Component({
selector: 'app-storage-settings',
standalone: true,
imports: [CommonModule, SharedModule, FormsModule, RouterLink],
template: `
<div class="storage-settings">
<h2>Storage Settings</h2>
<div class="settings-section">
<h3>Storage Provider</h3>
<p class="description">
Choose how your content is stored. In-memory storage is faster but data is lost when you close the browser.
IndexedDB provides persistent storage across browser sessions. IPFS provides distributed storage across the network.
</p>
<div class="storage-options">
<label class="storage-option">
<input
type="radio"
name="storageType"
[value]="StorageType.IN_MEMORY"
[(ngModel)]="selectedStorageType"
(change)="onStorageTypeChange()"
/>
<div class="option-content">
<strong>In-Memory Storage</strong>
<p>Fast, temporary storage. Data is lost when browser closes.</p>
</div>
</label>
<label class="storage-option" [class.disabled]="!indexedDbAvailable">
<input
type="radio"
name="storageType"
[value]="StorageType.INDEXED_DB"
[(ngModel)]="selectedStorageType"
(change)="onStorageTypeChange()"
[disabled]="!indexedDbAvailable"
/>
<div class="option-content">
<strong>IndexedDB Storage</strong>
<p>Persistent storage. Data is saved across browser sessions.</p>
<p *ngIf="!indexedDbAvailable" class="warning">
IndexedDB is not available in your browser.
</p>
</div>
</label>
<label class="storage-option">
<input
type="radio"
name="storageType"
[value]="StorageType.IPFS"
[(ngModel)]="selectedStorageType"
(change)="onStorageTypeChange()"
/>
<div class="option-content">
<strong>IPFS Storage (External Node)</strong>
<p>Distributed storage using IPFS network. Requires local IPFS node or gateway.</p>
<p class="warning" *ngIf="selectedStorageType === StorageType.IPFS && !ipfsHealthy">
Warning: IPFS node not detected. Make sure IPFS is running on localhost:5001.
</p>
</div>
</label>
<label class="storage-option">
<input
type="radio"
name="storageType"
[value]="StorageType.HELIA"
[(ngModel)]="selectedStorageType"
(change)="onStorageTypeChange()"
/>
<div class="option-content">
<strong>Helia Storage (Browser-Native IPFS)</strong>
<p>IPFS running directly in your browser. No external node required. Larger download size (~2-3MB).</p>
<p class="info" *ngIf="selectedStorageType === StorageType.HELIA">
Note: Data is stored locally in IndexedDB and works offline.
</p>
</div>
</label>
</div>
<div *ngIf="storageChanged" class="info-message">
<p>
<strong>Important:</strong> Changing storage type will require a page reload.
Your current in-memory data will be lost unless you're switching to IndexedDB.
</p>
<button (click)="applyChanges()" class="apply-button">
Apply Changes & Reload
</button>
<button (click)="cancelChanges()" class="cancel-button">
Cancel
</button>
</div>
</div>
<div class="settings-section" *ngIf="currentStorageType !== StorageType.IN_MEMORY">
<h3>Storage Management</h3>
<div class="storage-info">
<p>Current storage provider: <strong>{{ getStorageProviderName() }}</strong></p>
<div *ngIf="currentStorageType === StorageType.IPFS" class="ipfs-info">
<p>IPFS Status: <span [class.healthy]="ipfsHealthy" [class.unhealthy]="!ipfsHealthy">{{ ipfsHealthy ? 'Connected' : 'Disconnected' }}</span></p>
<p *ngIf="ipfsHealthy && ipfsConfig">API Endpoint: {{ ipfsConfig.apiEndpoint || '/api/v0' }}</p>
</div>
<div *ngIf="currentStorageType === StorageType.HELIA" class="ipfs-info">
<p>Helia Status: <span [class.healthy]="heliaHealthy" [class.unhealthy]="!heliaHealthy">{{ heliaHealthy ? 'Running' : 'Not Initialized' }}</span></p>
<p *ngIf="heliaHealthy">Browser-native IPFS node active</p>
</div>
<button (click)="clearStorage()" class="danger-button">
Clear All Local Data
</button>
<a *ngIf="canMigrate()" routerLink="/settings/migration" class="migration-link">
<button class="migrate-button">
Migrate to IPFS/Helia →
</button>
</a>
</div>
</div>
</div>
`,
styles: [`
.storage-settings {
padding: 20px;
max-width: 800px;
margin: 0 auto;
}
.settings-section {
background-color: #f9f9f9;
border-radius: 8px;
padding: 20px;
margin-bottom: 20px;
}
.settings-section h3 {
margin-top: 0;
margin-bottom: 15px;
color: #333;
}
.description {
color: #666;
margin-bottom: 20px;
}
.storage-options {
display: flex;
flex-direction: column;
gap: 15px;
}
.storage-option {
display: flex;
align-items: flex-start;
padding: 15px;
background-color: white;
border: 2px solid #e0e0e0;
border-radius: 8px;
cursor: pointer;
transition: all 0.3s;
}
.storage-option:hover:not(.disabled) {
border-color: #3498db;
box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}
.storage-option.disabled {
opacity: 0.6;
cursor: not-allowed;
}
.storage-option input[type="radio"] {
margin-right: 15px;
margin-top: 5px;
}
.option-content {
flex: 1;
}
.option-content strong {
display: block;
margin-bottom: 5px;
color: #333;
}
.option-content p {
margin: 0;
color: #666;
font-size: 14px;
}
.warning {
color: #e74c3c !important;
font-style: italic;
margin-top: 5px !important;
}
.info {
color: #3498db !important;
font-style: italic;
margin-top: 5px !important;
}
.info-message {
margin-top: 20px;
padding: 15px;
background-color: #e8f4fd;
border: 1px solid #3498db;
border-radius: 4px;
}
.info-message p {
margin: 0 0 15px 0;
color: #2c3e50;
}
.apply-button, .cancel-button {
padding: 10px 20px;
border: none;
border-radius: 4px;
cursor: pointer;
margin-right: 10px;
}
.apply-button {
background-color: #3498db;
color: white;
}
.apply-button:hover {
background-color: #2980b9;
}
.cancel-button {
background-color: #95a5a6;
color: white;
}
.cancel-button:hover {
background-color: #7f8c8d;
}
.storage-info {
background-color: white;
padding: 15px;
border-radius: 4px;
}
.storage-info p {
margin: 0 0 15px 0;
}
.danger-button {
padding: 10px 20px;
background-color: #e74c3c;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
}
.danger-button:hover {
background-color: #c0392b;
}
.ipfs-info {
margin-bottom: 15px;
}
.ipfs-info p {
margin: 5px 0;
}
.healthy {
color: #27ae60;
font-weight: bold;
}
.unhealthy {
color: #e74c3c;
font-weight: bold;
}
.migration-link {
text-decoration: none;
display: inline-block;
margin-left: 10px;
}
.migrate-button {
padding: 10px 20px;
background-color: #8e44ad;
color: white;
border: none;
border-radius: 4px;
cursor: pointer;
}
.migrate-button:hover {
background-color: #9b59b6;
}
`]
})
export class StorageSettingsComponent implements OnInit {
StorageType = StorageType;
selectedStorageType: StorageType;
currentStorageType: StorageType;
indexedDbAvailable = false;
storageChanged = false;
ipfsHealthy = false;
heliaHealthy = false;
ipfsConfig: IPFSConfig | null = null;
constructor(
@Inject(STORAGE_TYPE) private storageType: StorageType,
@Inject(STORAGE_PROVIDER) private storageProvider: IStorageProvider,
@Optional() @Inject(IPFS_CONFIG) ipfsConfig?: IPFSConfig
) {
this.currentStorageType = this.storageType;
this.selectedStorageType = this.storageType;
this.ipfsConfig = ipfsConfig || null;
}
ngOnInit() {
this.checkIndexedDbAvailability();
this.checkIPFSHealth();
this.checkHeliaHealth();
}
checkIndexedDbAvailability() {
this.indexedDbAvailable = typeof window !== 'undefined' && 'indexedDB' in window;
}
async checkIPFSHealth() {
Iif (this.currentStorageType === StorageType.IPFS && this.storageProvider instanceof IPFSStorageService) {
try {
this.ipfsHealthy = await this.storageProvider.isHealthy();
} catch (error) {
this.ipfsHealthy = false;
}
}
}
async checkHeliaHealth() {
Iif (this.currentStorageType === StorageType.HELIA && this.storageProvider instanceof HeliaStorageService) {
try {
this.heliaHealthy = await this.storageProvider.isHealthy();
} catch (error) {
this.heliaHealthy = false;
}
}
}
onStorageTypeChange() {
this.storageChanged = this.selectedStorageType !== this.currentStorageType;
// Check IPFS health when selecting IPFS
Iif (this.selectedStorageType === StorageType.IPFS) {
this.checkIPFSHealthForSelection();
}
}
async checkIPFSHealthForSelection() {
// For now, we'll skip the health check when selecting
// The actual health check will happen when the storage is initialized
this.ipfsHealthy = false;
}
applyChanges() {
if (this.selectedStorageType !== this.currentStorageType) {
// Save the preference
localStorage.setItem('cas-storage-type', this.selectedStorageType);
// Reload the page to apply changes
this.reloadPage();
}
}
reloadPage() {
window.location.reload();
}
cancelChanges() {
this.selectedStorageType = this.currentStorageType;
this.storageChanged = false;
}
async clearStorage() {
if (confirm('Are you sure you want to clear all stored data? This action cannot be undone.')) {
try {
if (this.currentStorageType === StorageType.INDEXED_DB) {
// Clear IndexedDB
await indexedDB.deleteDatabase('cas-storage');
alert('Storage cleared successfully. The page will reload.');
this.reloadPage();
} else if (this.currentStorageType === StorageType.IPFS) {
// For IPFS, we can only clear the local cache
await indexedDB.deleteDatabase('cas-storage');
alert('Local cache cleared successfully. IPFS content remains on the network.');
this.reloadPage();
} else IEif (this.currentStorageType === StorageType.HELIA) {
// Clear Helia databases
await indexedDB.deleteDatabase('helia-blocks');
await indexedDB.deleteDatabase('helia-data');
await indexedDB.deleteDatabase('helia-path-mappings');
alert('Helia storage cleared successfully. The page will reload.');
this.reloadPage();
}
} catch (error) {
console.error('Error clearing storage:', error);
alert('Failed to clear storage. Please try again.');
}
}
}
getStorageProviderName(): string {
switch (this.currentStorageType) {
case StorageType.IN_MEMORY:
return 'In-Memory';
case StorageType.INDEXED_DB:
return 'IndexedDB';
case StorageType.IPFS:
return 'IPFS (External Node)';
case StorageType.HELIA:
return 'Helia (Browser IPFS)';
default:
return 'Unknown';
}
}
canMigrate(): boolean {
return this.currentStorageType === StorageType.IN_MEMORY ||
this.currentStorageType === StorageType.INDEXED_DB;
}
} |