1 files changed, 93 insertions, 0 deletions
diff --git a/ui/src/components/comment-form.tsx b/ui/src/components/comment-form.tsx
new file mode 100644
index 00000000..a87dd356
--- /dev/null
+++ b/ui/src/components/comment-form.tsx
@@ -0,0 +1,93 @@
+import { Component, linkEvent } from 'inferno';
+import { CommentNode as CommentNodeI, CommentForm as CommentFormI } from '../interfaces';
+import { WebSocketService } from '../services';
+import * as autosize from 'autosize';
+
+interface CommentFormProps {
+  postId?: number;
+  node?: CommentNodeI;
+  onReplyCancel?(): any;
+  edit?: boolean;
+}
+
+interface CommentFormState {
+  commentForm: CommentFormI;
+  buttonTitle: string;
+}
+
+export class CommentForm extends Component<CommentFormProps, CommentFormState> {
+
+  private emptyState: CommentFormState = {
+    commentForm: {
+      auth: null,
+      content: null,
+      post_id: this.props.node ? this.props.node.comment.post_id : this.props.postId
+    },
+    buttonTitle: !this.props.node ? "Post" : this.props.edit ? "Edit" : "Reply"
+  }
+
+  constructor(props: any, context: any) {
+    super(props, context);
+
+    this.state = this.emptyState;
+
+    if (this.props.node) {
+      if (this.props.edit) {
+        this.state.commentForm.edit_id = this.props.node.comment.id;
+        this.state.commentForm.parent_id = this.props.node.comment.parent_id;
+        this.state.commentForm.content = this.props.node.comment.content;
+      } else {
+        // A reply gets a new parent id
+        this.state.commentForm.parent_id = this.props.node.comment.id;
+      }
+    }  
+  }
+
+  componentDidMount() {
+    autosize(document.querySelectorAll('textarea'));
+  }
+
+  render() {
+    return (
+      <div>
+        <form onSubmit={linkEvent(this, this.handleCommentSubmit)}>
+          <div class="form-group row">
+            <div class="col-sm-12">
+              <textarea class="form-control" value={this.state.commentForm.content} onInput={linkEvent(this, this.handleCommentContentChange)} placeholder="Comment here" required />
+            </div>
+          </div>
+          <div class="row">
+            <div class="col-sm-12">
+              <button type="submit" class="btn btn-sm btn-secondary mr-2">{this.state.buttonTitle}</button>
+              {this.props.node && <button type="button" class="btn btn-sm btn-secondary" onClick={linkEvent(this, this.handleReplyCancel)}>Cancel</button>}
+            </div>
+          </div>
+        </form>
+      </div>
+    );
+  }
+
+  handleCommentSubmit(i: CommentForm, event: any) {
+    if (i.props.edit) {
+      WebSocketService.Instance.editComment(i.state.commentForm);
+    } else {
+      WebSocketService.Instance.createComment(i.state.commentForm);
+    }
+
+    i.state.commentForm.content = undefined;
+    i.setState(i.state);
+    event.target.reset();
+    if (i.props.node) {
+      i.props.onReplyCancel();
+    }
+  }
+
+  handleCommentContentChange(i: CommentForm, event: any) {
+    i.state.commentForm.content = event.target.value;
+    i.setState(i.state);
+  }
+
+  handleReplyCancel(i: CommentForm) {
+    i.props.onReplyCancel();
+  }
+}