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import { Component, OnInit, OnDestroy, Inject, ViewChild } from '@angular/core';
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import { FormControl } from '@angular/forms';
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import { MatDialogRef, MAT_DIALOG_DATA } from '@angular/material';
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import { Subject, Observable, of } from 'rxjs';
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import { takeUntil, filter, startWith, map } from 'rxjs/operators';
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import { Store } from '@ngrx/store';
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import { Actions } from '@ngrx/effects';
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import { faExclamationTriangle } from '@fortawesome/free-solid-svg-icons';
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import { Peer, GetInfo } from '../../../../shared/models/lndModels';
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import { OpenChannelAlert } from '../../../../shared/models/alertData';
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import { TRANS_TYPES } from '../../../../shared/services/consts-enums-functions';
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import * as RTLActions from '../../../../store/rtl.actions';
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import * as fromRTLReducer from '../../../../store/rtl.reducers';
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@Component({
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selector: 'rtl-open-channel',
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templateUrl: './open-channel.component.html',
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styleUrls: ['./open-channel.component.scss']
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})
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export class OpenChannelComponent implements OnInit, OnDestroy {
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@ViewChild('form', { static: false }) form: any;
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public selectedPeer = new FormControl();
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public faExclamationTriangle = faExclamationTriangle;
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public alertTitle: string;
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public peer: Peer;
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public peers: Peer[];
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public sortedPeers: Peer[];
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public filteredPeers: Observable<Peer[]>;
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public channelConnectionError = '';
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public advancedTitle = 'Advanced Options';
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public information: GetInfo;
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public totalBalance = 0;
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public fundingAmount: number;
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public selectedPubkey = '';
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public isPrivate = false;
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public selTransType = '0';
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public spendUnconfirmed = false;
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public transTypeValue = '';
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public transTypes = TRANS_TYPES;
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private unSubs: Array<Subject<void>> = [new Subject(), new Subject()];
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constructor(public dialogRef: MatDialogRef<OpenChannelComponent>, @Inject(MAT_DIALOG_DATA) public data: OpenChannelAlert, private store: Store<fromRTLReducer.RTLState>, private actions$: Actions) { }
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ngOnInit() {
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this.information = this.data.message.information;
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this.totalBalance = this.data.message.balance;
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this.alertTitle = this.data.alertTitle;
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this.peer = this.data.message.peer ? this.data.message.peer : null;
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this.peers = this.data.message.peers && this.data.message.peers.length ? this.data.message.peers : [];
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this.actions$.pipe(takeUntil(this.unSubs[0]),
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filter(action => action.type === RTLActions.EFFECT_ERROR_LND || action.type === RTLActions.FETCH_ALL_CHANNELS))
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.subscribe((action: RTLActions.EffectErrorLnd | RTLActions.FetchAllChannels) => {
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if (action.type === RTLActions.EFFECT_ERROR_LND && action.payload.action === 'SaveNewChannel') {
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this.channelConnectionError = action.payload.message;
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}
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if (action.type === RTLActions.FETCH_ALL_CHANNELS) {
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this.dialogRef.close();
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}
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});
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let x = '', y = '';
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this.sortedPeers = this.peers.sort((p1, p2) => {
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x = p1.alias ? p1.alias.toLowerCase() : p1.pub_key ? p1.pub_key.toLowerCase() : '';
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y = p2.alias ? p2.alias.toLowerCase() : p1.pub_key.toLowerCase();
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return ((x < y) ? -1 : ((x > y) ? 1 : 0));
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});
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this.filteredPeers = this.selectedPeer.valueChanges.pipe(takeUntil(this.unSubs[1]), startWith(''),
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map(peer => typeof peer === 'string' ? peer : peer.alias ? peer.alias : peer.pub_key),
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map(alias => alias ? this.filterPeers(alias) : this.sortedPeers.slice())
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);
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}
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private filterPeers(newlySelectedPeer: string): Peer[] {
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return this.sortedPeers.filter(peer => peer.alias.toLowerCase().indexOf(newlySelectedPeer ? newlySelectedPeer.toLowerCase() : '') === 0);
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}
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displayFn(peer: Peer): string {
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return (peer && peer.alias) ? peer.alias : (peer && peer.pub_key) ? peer.pub_key : '';
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}
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onSelectedPeerChanged() {
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this.channelConnectionError = '';
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this.selectedPubkey = (this.selectedPeer.value && this.selectedPeer.value.pub_key) ? this.selectedPeer.value.pub_key : undefined;
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if (typeof this.selectedPeer.value === 'string') {
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let selPeer = this.peers.filter(peer => peer.alias.length === this.selectedPeer.value.length && peer.alias.toLowerCase().indexOf(this.selectedPeer.value ? this.selectedPeer.value.toLowerCase() : '') === 0);
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if (selPeer.length === 1 && selPeer[0].pub_key) { this.selectedPubkey = selPeer[0].pub_key; }
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}
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if (this.selectedPeer.value && !this.selectedPubkey) {
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this.selectedPeer.setErrors({notfound: true});
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} else {
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this.selectedPeer.setErrors(null);
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}
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}
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onClose() {
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this.dialogRef.close(false);
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}
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resetData() {
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this.selectedPeer.setValue('');
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this.fundingAmount = null;
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this.isPrivate = false;
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this.spendUnconfirmed = false;
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this.selTransType = '0';
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this.transTypeValue = '';
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this.channelConnectionError = '';
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this.advancedTitle = 'Advanced Options';
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this.form.resetForm();
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}
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onOpenChannel() {
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if ((!this.peer && !this.selectedPubkey) || (!this.fundingAmount || ((this.totalBalance - this.fundingAmount) < 0) || ((this.selTransType === '1' || this.selTransType === '2') && !this.transTypeValue))) { return true; }
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this.store.dispatch(new RTLActions.OpenSpinner('Opening Channel...'));
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this.store.dispatch(new RTLActions.SaveNewChannel({
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selectedPeerPubkey: ((!this.peer || !this.peer.pub_key) ? this.selectedPubkey : this.peer.pub_key), fundingAmount: this.fundingAmount, private: this.isPrivate,
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transType: this.selTransType, transTypeValue: this.transTypeValue, spendUnconfirmed: this.spendUnconfirmed
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}));
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}
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onAdvancedPanelToggle(isClosed: boolean) {
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if (isClosed) {
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this.advancedTitle = 'Advanced Options | ' + (this.selTransType === '1' ? 'Target Confirmation Blocks: ' : this.selTransType === '2' ? 'Fee (Sats/Byte): ' : 'Default') + ((this.selTransType === '1' || this.selTransType === '2') ? this.transTypeValue : '') + ' | Spend Unconfirmed Output: ' + (this.spendUnconfirmed ? 'Yes' : 'No');
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} else {
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this.advancedTitle = 'Advanced Options';
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}
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}
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ngOnDestroy() {
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this.unSubs.forEach(completeSub => {
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completeSub.next();
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completeSub.complete();
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});
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}
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}
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