implemented paging for repository overview

scm-ui/src/repos/containers/Overview.js

@@ -4,26 +4,48 @@ import React from "react";
 import type { RepositoryCollection } from "../types/Repositories";
 
 import { connect } from "react-redux";
-import {fetchRepos, getFetchReposFailure, getRepositoryCollection, isFetchReposPending} from "../modules/repos";
+import {fetchRepos, fetchReposByLink, fetchReposByPage, getFetchReposFailure, getRepositoryCollection, isFetchReposPending} from "../modules/repos";
 import { translate } from "react-i18next";
 import { Page } from "../../components/layout";
 import RepositoryList from "../components/RepositoryList";
+import Paginator from '../../components/Paginator';
+import {withRouter} from 'react-router-dom';
+import type { History } from "history";
 
 type Props = {
+  page: number,
   collection: RepositoryCollection,
   loading: boolean,
   error: Error,
 
   // dispatched functions
   fetchRepos: () => void,
+  fetchReposByPage: number => void,
+  fetchReposByLink: string => void,
   // context props
-  t: string => string
+  t: string => string,
+  history: History
 };
 
 class Overview extends React.Component<Props> {
   componentDidMount() {
-    this.props.fetchRepos();
+    this.props.fetchReposByPage(this.props.page);
   }
+
+  /**
+   * reflect page transitions in the uri
+   */
+  componentDidUpdate() {
+    const { page, collection } = this.props;
+    if (collection) {
+      // backend starts paging by 0
+      const statePage: number = collection.page + 1;
+      if (page !== statePage) {
+        this.props.history.push(`/repos/${statePage}`);
+      }
+    }
+  };
+
   render() {
     const { error, loading, t } = this.props;
     return (
@@ -34,21 +56,36 @@ class Overview extends React.Component<Props> {
   }
 
   renderList() {
-    const { collection } = this.props;
+    const { collection, fetchReposByLink } = this.props;
     if (collection) {
       return (
-        <RepositoryList repositories={collection._embedded.repositories} />
+        <div>
+          <RepositoryList repositories={collection._embedded.repositories} />
+          <Paginator collection={collection} onPageChange={fetchReposByLink} />
+        </div>
       );
     }
     return null;
   }
 }
 
+const getPageFromProps = props => {
+  let page = props.match.params.page;
+  if (page) {
+    page = parseInt(page, 10);
+  } else {
+    page = 1;
+  }
+  return page;
+};
+
 const mapStateToProps = (state, ownProps) => {
+  const page = getPageFromProps(ownProps);
   const collection = getRepositoryCollection(state);
   const loading = isFetchReposPending(state);
   const error = getFetchReposFailure(state);
   return {
+    page,
     collection,
     loading,
     error
@@ -59,10 +96,16 @@ const mapDispatchToProps = dispatch => {
   return {
     fetchRepos: () => {
       dispatch(fetchRepos());
+    },
+    fetchReposByPage: (page: number) => {
+      dispatch(fetchReposByPage(page))
+    },
+    fetchReposByLink: (link: string) => {
+      dispatch(fetchReposByLink(link))
     }
   };
 };
 export default connect(
   mapStateToProps,
   mapDispatchToProps
-)(translate("repos")(Overview));
+)(translate("repos")(withRouter(Overview)));