ui/src/components/create-community.tsx

   1 import { Component, linkEvent } from 'inferno';
   2 import { Subscription } from "rxjs";
   3 import { retryWhen, delay, take } from 'rxjs/operators';
   4 import { CommunityForm, UserOperation } from '../interfaces';
   5 import { WebSocketService, UserService } from '../services';
   6 import { msgOp } from '../utils';
   7
   8 interface State {
   9   communityForm: CommunityForm;
  10 }
  11
  12 let emptyState: State = {
  13   communityForm: {
  14     name: null,
  15   }
  16 }
  17
  18 export class CreateCommunity extends Component<any, State> {
  19   private subscription: Subscription;
  20
  21   constructor(props, context) {
  22     super(props, context);
  23
  24     this.state = emptyState;
  25
  26     this.subscription = WebSocketService.Instance.subject
  27       .pipe(retryWhen(errors => errors.pipe(delay(3000), take(10))))
  28       .subscribe(
  29         (msg) => this.parseMessage(msg),
  30         (err) => console.error(err),
  31       );
  32   }
  33
  34   componentWillUnmount() {
  35     this.subscription.unsubscribe();
  36   }
  37
  38   render() {
  39     return (
  40       <div class="container">
  41         <div class="row">
  42           <div class="col-12 col-lg-6 mb-4">
  43             {this.communityForm()}
  44           </div>
  45         </div>
  46       </div>
  47     )
  48   }
  49
  50   communityForm() {
  51     return (
  52       <div>
  53         <form onSubmit={linkEvent(this, this.handleCreateCommunitySubmit)}>
  54           <h3>Create Forum</h3>
  55           <div class="form-group row">
  56             <label class="col-sm-2 col-form-label">Name</label>
  57             <div class="col-sm-10">
  58               <input type="text" class="form-control" value={this.state.communityForm.name} onInput={linkEvent(this, this.handleCommunityNameChange)} required minLength={3} />
  59             </div>
  60           </div>
  61           <div class="form-group row">
  62             <div class="col-sm-10">
  63               <button type="submit" class="btn btn-secondary">Create</button>
  64             </div>
  65           </div>
  66         </form>
  67       </div>
  68     );
  69   }
  70
  71   handleCreateCommunitySubmit(i: CreateCommunity, event) {
  72     event.preventDefault();
  73     WebSocketService.Instance.createCommunity(i.state.communityForm);
  74   }
  75
  76   handleCommunityNameChange(i: CreateCommunity, event) {
  77     i.state.communityForm.name = event.target.value;
  78     i.setState(i.state);
  79   }
  80
  81   parseMessage(msg: any) {
  82     let op: UserOperation = msgOp(msg);
  83     if (msg.error) {
  84       alert(msg.error);
  85       return;
  86     } else {
  87     }
  88   }
  89
  90 }