Community editing

- Community editing mostly working. Fixes #26

1 files changed, 155 insertions, 0 deletions

diff --git a/ui/src/components/community-form.tsx b/ui/src/components/community-form.tsx
new file mode 100644
index 00000000..a8ea7b11
--- /dev/null
+++ b/ui/src/components/community-form.tsx
@@ -0,0 +1,155 @@
+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, UserService } 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?();
+  onCreate?(id: number);
+  onEdit?(community: Community);
+}
+
+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, context) {
+    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-sm-2 col-form-label">Name</label>
+          <div class="col-sm-10">
+            <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-sm-2 col-form-label">Title / Headline</label>
+          <div class="col-sm-10">
+            <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-sm-2 col-form-label">Description / Sidebar</label>
+          <div class="col-sm-10">
+            <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-sm-2 col-form-label">Category</label>
+          <div class="col-sm-10">
+            <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-sm-10">
+            <button type="submit" class="btn btn-secondary">{this.props.community ? 'Edit' : 'Create'} Community</button>
+          </div>
+        </div>
+      </form>
+    );
+  }
+
+  handleCreateCommunitySubmit(i: CommunityForm, event) {
+    event.preventDefault();
+    if (i.props.community) {
+      WebSocketService.Instance.editCommunity(i.state.communityForm);
+    } else {
+      WebSocketService.Instance.createCommunity(i.state.communityForm);
+    }
+  }
+
+  handleCommunityNameChange(i: CommunityForm, event) {
+    i.state.communityForm.name = event.target.value;
+    i.setState(i.state);
+  }
+
+  handleCommunityTitleChange(i: CommunityForm, event) {
+    i.state.communityForm.title = event.target.value;
+    i.setState(i.state);
+  }
+
+  handleCommunityDescriptionChange(i: CommunityForm, event) {
+    i.state.communityForm.description = event.target.value;
+    i.setState(i.state);
+  }
+
+  handleCommunityCategoryChange(i: CommunityForm, event) {
+    i.state.communityForm.category_id = Number(event.target.value);
+    i.setState(i.state);
+  }
+
+  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);
+    }
+  }
+
+}