outsourced single branch routing to branchroot

scm-ui/src/repos/branches/containers/BranchRoot.js

@@ -0,0 +1,117 @@
+//@flow
+import React from "react";
+import BranchView from "../components/BranchView";
+import { connect } from "react-redux";
+import { Redirect, Route, Switch, withRouter } from "react-router-dom";
+import { translate } from "react-i18next";
+import type { Repository, Branch } from "@scm-manager/ui-types";
+import {
+  fetchBranch,
+  getBranch,
+  getFetchBranchFailure,
+  isFetchBranchPending
+} from "../modules/branches";
+import { ErrorPage, Loading } from "@scm-manager/ui-components";
+import CreateBranch from "./CreateBranch";
+import type { History } from "history";
+
+type Props = {
+  repository: Repository,
+  branchName: string,
+  branch: Branch,
+  loading: boolean,
+  error?: Error,
+
+  // context props
+  t: string => string,
+  history: History,
+  match: any,
+
+  // dispatch functions
+  fetchBranch: (repository: Repository, branchName: string) => void
+};
+
+class BranchRoot extends React.Component<Props> {
+  componentDidMount() {
+    const { fetchBranch, repository, branchName } = this.props;
+
+    fetchBranch(repository, branchName);
+  }
+
+  stripEndingSlash = (url: string) => {
+    if (url.endsWith("/")) {
+      return url.substring(0, url.length - 1);
+    }
+    return url;
+  };
+
+  matchedUrl = () => {
+    return this.stripEndingSlash(this.props.match.url);
+  };
+
+  render() {
+    const { repository, branch, loading, error, t } = this.props;
+
+    if (error) {
+      return (
+        <ErrorPage
+          title={t("branches.errorTitle")}
+          subtitle={t("branches.errorSubtitle")}
+          error={error}
+        />
+      );
+    }
+
+    if (loading || !branch) {
+      return <Loading />;
+    }
+
+    const url = this.matchedUrl();
+
+    return (
+      <Switch>
+        <Redirect exact from={url} to={`${url}/info`} />
+        <Route
+          path={`${url}?create=true`}
+          render={() => (
+            <CreateBranch repository={repository} branch={branch} />
+          )}
+        />
+        <Route
+          path={`${url}/info`}
+          render={() => <BranchView repository={repository} branch={branch} />}
+        />
+      </Switch>
+    );
+  }
+}
+
+const mapStateToProps = (state, ownProps) => {
+  const { repository } = ownProps;
+  const branchName = decodeURIComponent(ownProps.match.params.branch);
+  const branch = getBranch(state, repository, branchName);
+  const loading = isFetchBranchPending(state, repository, branchName);
+  const error = getFetchBranchFailure(state, repository, branchName);
+  return {
+    repository,
+    branchName,
+    branch,
+    loading,
+    error
+  };
+};
+
+const mapDispatchToProps = dispatch => {
+  return {
+    fetchBranch: (repository: Repository, branchName: string) => {
+      dispatch(fetchBranch(repository, branchName));
+    }
+  };
+};
+
+export default withRouter(
+  connect(
+    mapStateToProps,
+    mapDispatchToProps
+  )(translate("repos")(BranchRoot))
+);