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import { Component, linkEvent } from 'inferno';
import { Subscription } from "rxjs";
import { retryWhen, delay, take } from 'rxjs/operators';
import { CommunityForm as CommunityFormI, UserOperation, Category, ListCategoriesResponse, CommunityResponse } from '../interfaces';
import { WebSocketService } from '../services';
import { msgOp } from '../utils';
import { Community } from '../interfaces';
interface CommunityFormProps {
community?: Community; // If a community is given, that means this is an edit
onCancel?(): any;
onCreate?(id: number): any;
onEdit?(community: Community): any;
}
interface CommunityFormState {
communityForm: CommunityFormI;
categories: Array<Category>;
}
export class CommunityForm extends Component<CommunityFormProps, CommunityFormState> {
private subscription: Subscription;
private emptyState: CommunityFormState = {
communityForm: {
name: null,
title: null,
category_id: null
},
categories: []
}
constructor(props: any, context: any) {
super(props, context);
this.state = this.emptyState;
if (this.props.community) {
this.state.communityForm = {
name: this.props.community.name,
title: this.props.community.title,
category_id: this.props.community.category_id,
description: this.props.community.description,
edit_id: this.props.community.id,
auth: null
}
}
this.subscription = WebSocketService.Instance.subject
.pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
.subscribe(
(msg) => this.parseMessage(msg),
(err) => console.error(err),
() => console.log("complete")
);
WebSocketService.Instance.listCategories();
}
componentWillUnmount() {
this.subscription.unsubscribe();
}
render() {
return (
<form onSubmit={linkEvent(this, this.handleCreateCommunitySubmit)}>
<div class="form-group row">
<label class="col-12 col-form-label">Name</label>
<div class="col-12">
<input type="text" class="form-control" value={this.state.communityForm.name} onInput={linkEvent(this, this.handleCommunityNameChange)} required minLength={3} pattern="[a-z0-9_]+" title="lowercase, underscores, and no spaces."/>
</div>
</div>
<div class="form-group row">
<label class="col-12 col-form-label">Title</label>
<div class="col-12">
<input type="text" value={this.state.communityForm.title} onInput={linkEvent(this, this.handleCommunityTitleChange)} class="form-control" required minLength={3} />
</div>
</div>
<div class="form-group row">
<label class="col-12 col-form-label">Sidebar</label>
<div class="col-12">
<textarea value={this.state.communityForm.description} onInput={linkEvent(this, this.handleCommunityDescriptionChange)} class="form-control" rows={6} />
</div>
</div>
<div class="form-group row">
<label class="col-12 col-form-label">Category</label>
<div class="col-12">
<select class="form-control" value={this.state.communityForm.category_id} onInput={linkEvent(this, this.handleCommunityCategoryChange)}>
{this.state.categories.map(category =>
<option value={category.id}>{category.name}</option>
)}
</select>
</div>
</div>
<div class="form-group row">
<div class="col-12">
<button type="submit" class="btn btn-secondary mr-2">{this.props.community ? 'Save' : 'Create'}</button>
{this.props.community && <button type="button" class="btn btn-secondary" onClick={linkEvent(this, this.handleCancel)}>Cancel</button>}
</div>
</div>
</form>
);
}
handleCreateCommunitySubmit(i: CommunityForm, event: any) {
event.preventDefault();
if (i.props.community) {
WebSocketService.Instance.editCommunity(i.state.communityForm);
} else {
WebSocketService.Instance.createCommunity(i.state.communityForm);
}
}
handleCommunityNameChange(i: CommunityForm, event: any) {
i.state.communityForm.name = event.target.value;
i.setState(i.state);
}
handleCommunityTitleChange(i: CommunityForm, event: any) {
i.state.communityForm.title = event.target.value;
i.setState(i.state);
}
handleCommunityDescriptionChange(i: CommunityForm, event: any) {
i.state.communityForm.description = event.target.value;
i.setState(i.state);
}
handleCommunityCategoryChange(i: CommunityForm, event: any) {
i.state.communityForm.category_id = Number(event.target.value);
i.setState(i.state);
}
handleCancel(i: CommunityForm) {
i.props.onCancel();
}
parseMessage(msg: any) {
let op: UserOperation = msgOp(msg);
console.log(msg);
if (msg.error) {
alert(msg.error);
return;
} else if (op == UserOperation.ListCategories){
let res: ListCategoriesResponse = msg;
this.state.categories = res.categories;
this.state.communityForm.category_id = res.categories[0].id;
this.setState(this.state);
} else if (op == UserOperation.CreateCommunity) {
let res: CommunityResponse = msg;
this.props.onCreate(res.community.id);
} else if (op == UserOperation.EditCommunity) {
let res: CommunityResponse = msg;
this.props.onEdit(res.community);
}
}
}
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