From 1a82f0364ad33e18145d4f7e7729c7c0fdce4413 Mon Sep 17 00:00:00 2001
From: Robbie Averill <robbie@silverstripe.com>
Date: Tue, 6 Mar 2018 12:00:22 +1300
Subject: [PATCH] NEW Add page GraphQL query HOC for history viewer component

Relies on silverstripe/versioned-admin being installed on SS 4.2 or above.
---
 _config/graphql.yml                           | 15 +++
 client/dist/js/SilverStripeNavigator.js       |  2 +-
 client/dist/js/TinyMCE_sslink-anchor.js       |  2 +-
 client/dist/js/TinyMCE_sslink-internal.js     |  2 +-
 client/dist/js/bundle.js                      |  2 +-
 client/src/boot/registerComponents.js         | 13 +++
 .../PageHistoryViewer/PageHistoryViewer.js    | 15 +++
 client/src/state/history/readOnePageQuery.js  | 94 +++++++++++++++++++
 8 files changed, 141 insertions(+), 4 deletions(-)
 create mode 100644 _config/graphql.yml
 create mode 100644 client/src/components/PageHistoryViewer/PageHistoryViewer.js
 create mode 100644 client/src/state/history/readOnePageQuery.js

diff --git a/_config/graphql.yml b/_config/graphql.yml
new file mode 100644
index 00000000..f9267b30
--- /dev/null
+++ b/_config/graphql.yml
@@ -0,0 +1,15 @@
+---
+Name: cmsgraphql
+---
+SilverStripe\GraphQL\Controller:
+  schema:
+    scaffolding:
+      types:
+        SilverStripe\CMS\Model\SiteTree:
+          fields: '*'
+          operations:
+            readOne: true
+        SilverStripe\Security\Member:
+          fields: [ID, FirstName, Surname]
+          operations:
+            readOne: true
diff --git a/client/dist/js/SilverStripeNavigator.js b/client/dist/js/SilverStripeNavigator.js
index 5c88cadd..b0c89ec5 100644
--- a/client/dist/js/SilverStripeNavigator.js
+++ b/client/dist/js/SilverStripeNavigator.js
@@ -1 +1 @@
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\ No newline at end of file
+!function(e){function t(r){if(n[r])return n[r].exports;var i=n[r]={i:r,l:!1,exports:{}};return e[r].call(i.exports,i,i.exports,t),i.l=!0,i.exports}var n={};t.m=e,t.c=n,t.i=function(e){return e},t.d=function(e,n,r){t.o(e,n)||Object.defineProperty(e,n,{configurable:!1,enumerable:!0,get:r})},t.n=function(e){var n=e&&e.__esModule?function(){return e.default}:function(){return e};return t.d(n,"a",n),n},t.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},t.p="",t(t.s=25)}({0:function(e,t){e.exports=jQuery},25:function(e,t,n){"use strict";function r(e){return document.getElementsByTagName("base")[0].href.replace("http://","").replace(/\//g,"_").replace(/\./g,"_")+e}var i=n(0),o=function(e){return e&&e.__esModule?e:{default:e}}(i);(0,o.default)(document).ready(function(){(0,o.default)("#switchView a.newWindow").on("click",function(e){return window.open(this.href,r(this.target)).focus(),!1}),(0,o.default)("#SilverStripeNavigatorLink").on("click",function(e){return(0,o.default)("#SilverStripeNavigatorLinkPopup").toggle(),!1}),(0,o.default)("#SilverStripeNavigatorLinkPopup a.close").on("click",function(e){return(0,o.default)("#SilverStripeNavigatorLinkPopup").hide(),!1}),(0,o.default)("#SilverStripeNavigatorLinkPopup input").on("focus",function(e){this.select()})})}});
\ No newline at end of file
diff --git a/client/dist/js/TinyMCE_sslink-anchor.js b/client/dist/js/TinyMCE_sslink-anchor.js
index 650bf57b..bc8e0c10 100644
--- a/client/dist/js/TinyMCE_sslink-anchor.js
+++ b/client/dist/js/TinyMCE_sslink-anchor.js
@@ -1 +1 @@
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\ No newline at end of file
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\ No newline at end of file
diff --git a/client/dist/js/TinyMCE_sslink-internal.js b/client/dist/js/TinyMCE_sslink-internal.js
index a27b1191..772e94c6 100644
--- a/client/dist/js/TinyMCE_sslink-internal.js
+++ b/client/dist/js/TinyMCE_sslink-internal.js
@@ -1 +1 @@
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\ No newline at end of file
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diff --git a/client/dist/js/bundle.js b/client/dist/js/bundle.js
index 9cc10ad1..6d537066 100644
--- a/client/dist/js/bundle.js
+++ b/client/dist/js/bundle.js
@@ -1 +1 @@
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s=o?o.loadingState:i?S.default.DIRTY:S.default.SUCCESS,{pageId:i,anchors:r,loadingState:s}}function d(e){return{actions:{anchorSelector:(0,v.bindActionCreators)(P,e)}}}Object.defineProperty(t,"__esModule",{value:!0}),t.ConnectedAnchorSelectorField=t.Component=void 0;var l=function(){function e(e,t){for(var n=0;n<t.length;n++){var a=t[n];a.enumerable=a.enumerable||!1,a.configurable=!0,"value"in a&&(a.writable=!0),Object.defineProperty(e,a.key,a)}}return function(t,n,a){return n&&e(t.prototype,n),a&&e(t,a),t}}(),u=n(1),c=a(u),f=n(3),h=a(f),p=n(34),m=a(p),g=n(35),v=n(9),_=n(37),b=n(38),C=a(b),w=n(28),P=function(e){if(e&&e.__esModule)return e;var t={};if(null!=e)for(var n in e)Object.prototype.hasOwnProperty.call(e,n)&&(t[n]=e[n]);return t.default=e,t}(w),y=n(11),S=a(y),E=n(32),T=a(E),F=n(36),A=n(40),x=a(A),I=n(39),D=a(I),O=function(){return null},L=function(e){function t(e){i(this,t);var n=r(this,(t.__proto__||Object.getPrototypeOf(t)).call(this,e));return n.handleChange=n.handleChange.bind(n),n.handleLoadingError=n.handleLoadingError.bind(n),n}return o(t,e),l(t,[{key:"componentDidMount",value:function(){this.ensurePagesLoaded()}},{key:"componentWillReceiveProps",value:function(e){this.props.pageId!==e.pageId&&this.ensurePagesLoaded(e)}},{key:"ensurePagesLoaded",value:function(){var e=this,t=arguments.length>0&&void 0!==arguments[0]?arguments[0]:this.props;if(t.loadingState!==S.default.DIRTY||!t.pageId)return Promise.resolve();t.actions.anchorSelector.beginUpdating(t.pageId);var n=t.data.endpoint.replace(/:id/,t.pageId);return(0,m.default)(n,{credentials:"same-origin"}).then(function(e){return e.json()}).then(function(e){return t.actions.anchorSelector.updated(t.pageId,e),e}).catch(function(n){t.actions.anchorSelector.updateFailed(t.pageId),e.handleLoadingError(n,t)})}},{key:"getDropdownOptions",value:function(){var e=this,t=this.props.anchors.map(function(e){return{value:e}});return this.props.value&&!this.props.anchors.find(function(t){return t===e.props.value})&&t.unshift({value:this.props.value}),t}},{key:"handleChange",value:function(e){"function"==typeof this.props.onChange&&this.props.onChange(e?e.value:"")}},{key:"handleLoadingError",value:function(e){var t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:this.props;if(t.onLoadingError===O)throw e;return t.onLoadingError({errors:[{value:e.message,type:"error"}]})}},{key:"render",value:function(){var e={id:this.props.id},t=(0,D.default)("anchorselectorfield",this.props.extraClass),n=this.getDropdownOptions(),a=this.props.value||"",i=c.default._t("CMS.ANCHOR_SELECT_OR_TYPE","Select or enter anchor");return h.default.createElement(F.Creatable,{searchable:!0,options:n,className:t,name:this.props.name,inputProps:e,onChange:this.handleChange,onBlurResetsInput:!0,value:a,placeholder:i,labelKey:"value"})}}]),t}(C.default);L.propTypes={extraClass:h.default.PropTypes.string,id:h.default.PropTypes.string,name:h.default.PropTypes.string.isRequired,onChange:h.default.PropTypes.func,value:h.default.PropTypes.string,attributes:h.default.PropTypes.oneOfType([h.default.PropTypes.object,h.default.PropTypes.array]),pageId:h.default.PropTypes.number,anchors:h.default.PropTypes.array,loadingState:h.default.PropTypes.oneOf(Object.keys(S.default).map(function(e){return S.default[e]})),onLoadingError:h.default.PropTypes.func,data:h.default.PropTypes.shape({endpoint:h.default.PropTypes.string,targetFieldName:h.default.PropTypes.string})},L.defaultProps={value:"",extraClass:"",onLoadingError:O,attributes:{}};var R=(0,g.connect)(s,d)(L);t.Component=L,t.ConnectedAnchorSelectorField=R,t.default=(0,T.default)(R)},function(e,t,n){"use strict";function a(e){return e&&e.__esModule?e:{default:e}}Object.defineProperty(t,"__esModule",{value:!0});var i=n(3),r=(a(i),n(9)),o=n(30),s=a(o),d=function(e){return(0,r.compose)(s.default)(e)};t.default=d},,,,function(e,t,n){"use strict";function a(e){return{type:s.default.ANCHORSELECTOR_UPDATING,payload:{pageId:e}}}function i(e,t){return{type:s.default.ANCHORSELECTOR_UPDATED,payload:{pageId:e,anchors:t}}}function r(e){return{type:s.default.ANCHORSELECTOR_UPDATE_FAILED,payload:{pageId:e}}}Object.defineProperty(t,"__esModule",{value:!0}),t.beginUpdating=a,t.updated=i,t.updateFailed=r;var o=n(10),s=function(e){return e&&e.__esModule?e:{default:e}}(o)},function(e,t,n){"use strict";function a(e){return e&&e.__esModule?e:{default:e}}function i(e){if(Array.isArray(e)){for(var t=0,n=Array(e.length);t<e.length;t++)n[t]=e[t];return n}return Array.from(e)}function r(){var e=arguments.length>0&&void 0!==arguments[0]?arguments[0]:f,t=arguments.length>1&&void 0!==arguments[1]?arguments[1]:null,n=function(n,a){var r=t.payload.pageId;return(0,s.default)({pages:[].concat(i(e.pages.filter(function(e){return e.id!==r})),[{id:r,loadingState:n,anchors:a}]).sort(function(e,t){return e.id-t.id})})};switch(t.type){case l.default.ANCHORSELECTOR_UPDATING:return n(c.default.UPDATING,[]);case l.default.ANCHORSELECTOR_UPDATED:return n(c.default.SUCCESS,t.payload.anchors);case l.default.ANCHORSELECTOR_UPDATE_FAILED:return n(c.default.FAILED,[]);default:return e}}Object.defineProperty(t,"__esModule",{value:!0}),t.default=r;var o=n(31),s=a(o),d=n(10),l=a(d),u=n(11),c=a(u),f=(0,s.default)({pages:[]})},function(e,t,n){"use strict";Object.defineProperty(t,"__esModule",{value:!0}),t.config=t.query=void 0;var a=function(e,t){return Object.freeze(Object.defineProperties(e,{raw:{value:Object.freeze(t)}}))}(["\nquery readOnePage ($page_id: ID!, $limit: Int!, $offset: Int!) {\n  readOnePage(\n    Versioning: {\n      Mode: LATEST\n    },\n    ID: $page_id\n  ) {\n    ID\n    Versions (limit: $limit, offset: $offset) {\n      pageInfo {\n        totalCount\n      }\n      edges {\n        node {\n          Version\n          Author {\n            FirstName\n            Surname\n          }\n          Publisher {\n            FirstName\n            Surname\n          }\n          Published\n          LiveVersion\n          LastEdited\n        }\n      }\n    }\n  }\n}\n"],["\nquery readOnePage ($page_id: ID!, $limit: Int!, $offset: Int!) {\n  readOnePage(\n    Versioning: {\n      Mode: LATEST\n    },\n    ID: $page_id\n  ) {\n    ID\n    Versions (limit: $limit, offset: $offset) {\n      pageInfo {\n        totalCount\n      }\n      edges {\n        node {\n          Version\n          Author {\n            FirstName\n            Surname\n          }\n          Publisher {\n            FirstName\n            Surname\n          }\n          Published\n          LiveVersion\n          LastEdited\n        }\n      }\n    }\n  }\n}\n"]),i=n(4),r=n(33),o=function(e){return e&&e.__esModule?e:{default:e}}(r),s=(0,o.default)(a),d={options:function(e){var t=e.recordId,n=e.limit;return{variables:{limit:n,offset:((e.page||1)-1)*n,page_id:t}}},props:function(e){var t=e.data,n=t.error,a=t.refetch,i=t.readOnePage,r=t.loading,o=e.ownProps,s=o.actions,d=void 0===s?{versions:{}}:s,l=o.limit,u=o.recordId,c=i||null,f=n&&n.graphQLErrors&&n.graphQLErrors.map(function(e){return e.message});return{loading:r||!c,versions:c,graphQLErrors:f,actions:Object.assign({},d,{versions:Object.assign({},d.versions,{goToPage:function(e){a({offset:((e||1)-1)*l,limit:l,page_id:u})}})})}}};t.query=s,t.config=d,t.default=(0,i.graphql)(s,d)},function(e,t){e.exports=DeepFreezeStrict},function(e,t){e.exports=FieldHolder},function(e,t){e.exports=GraphQLTag},function(e,t){e.exports=IsomorphicFetch},function(e,t){e.exports=ReactRedux},function(e,t){e.exports=ReactSelect},function(e,t){e.exports=ReduxForm},function(e,t){e.exports=SilverStripeComponent},function(e,t){e.exports=classnames},function(e,t){e.exports=getFormState}]);
\ No newline at end of file
diff --git a/client/src/boot/registerComponents.js b/client/src/boot/registerComponents.js
index 821e2a9d..e7c24195 100644
--- a/client/src/boot/registerComponents.js
+++ b/client/src/boot/registerComponents.js
@@ -1,6 +1,19 @@
 import Injector from 'lib/Injector';
 import AnchorSelectorField from 'components/AnchorSelectorField/AnchorSelectorField';
+import withPagesHistoryViewer from 'components/PageHistoryViewer/PageHistoryViewer';
 
 export default () => {
   Injector.component.register('AnchorSelectorField', AnchorSelectorField);
+
+  Injector.transform(
+    'pages-history',
+    (updater) => {
+      // Add CMS page history to the HistoryViewer
+      updater.component(
+        'HistoryViewer.pages-controller-cms-content',
+        withPagesHistoryViewer,
+        'PageHistoryViewer'
+      );
+    }
+  );
 };
diff --git a/client/src/components/PageHistoryViewer/PageHistoryViewer.js b/client/src/components/PageHistoryViewer/PageHistoryViewer.js
new file mode 100644
index 00000000..766ec78e
--- /dev/null
+++ b/client/src/components/PageHistoryViewer/PageHistoryViewer.js
@@ -0,0 +1,15 @@
+import React, { Component } from 'react';
+import { compose } from 'redux';
+import readOnePageQuery from 'state/history/readOnePageQuery';
+
+/**
+ * Transformer function which binds the readOnePageQuery GraphQL query to the HistoryViewer
+ * component.
+ */
+const withPagesHistoryViewer = (HistoryViewer) => {
+  return compose(
+    readOnePageQuery
+  )(HistoryViewer);
+};
+
+export default withPagesHistoryViewer;
diff --git a/client/src/state/history/readOnePageQuery.js b/client/src/state/history/readOnePageQuery.js
new file mode 100644
index 00000000..be7dad00
--- /dev/null
+++ b/client/src/state/history/readOnePageQuery.js
@@ -0,0 +1,94 @@
+import { graphql } from 'react-apollo';
+import gql from 'graphql-tag';
+
+// GraphQL query for retrieving the version history of a specific page. The results of the query must
+// be set to the "versions" prop on the component that this HOC is applied to (see PageHistoryViewer.js)
+// for binding implementation.
+const query = gql`
+query readOnePage ($page_id: ID!, $limit: Int!, $offset: Int!) {
+  readOnePage(
+    Versioning: {
+      Mode: LATEST
+    },
+    ID: $page_id
+  ) {
+    ID
+    Versions (limit: $limit, offset: $offset) {
+      pageInfo {
+        totalCount
+      }
+      edges {
+        node {
+          Version
+          Author {
+            FirstName
+            Surname
+          }
+          Publisher {
+            FirstName
+            Surname
+          }
+          Published
+          LiveVersion
+          LastEdited
+        }
+      }
+    }
+  }
+}
+`;
+
+const config = {
+  options({ recordId, limit, page }) {
+    return {
+      variables: {
+        limit,
+        offset: ((page || 1) - 1) * limit,
+        page_id: recordId,
+      }
+    };
+  },
+  props(
+    {
+      data: {
+        error,
+        refetch,
+        readOnePage,
+        loading: networkLoading,
+      },
+      ownProps: {
+        actions = {
+          versions: {}
+        },
+        limit,
+        recordId,
+      },
+    }
+  ) {
+    const versions = readOnePage || null;
+
+    const errors = error && error.graphQLErrors &&
+      error.graphQLErrors.map((graphQLError) => graphQLError.message);
+
+    return {
+      loading: networkLoading || !versions,
+      versions,
+      graphQLErrors: errors,
+      actions: Object.assign({}, actions, {
+        versions: Object.assign({}, actions.versions, {
+          goToPage(page) {
+           refetch({
+              offset: ((page || 1) - 1) * limit,
+              limit,
+              page_id: recordId,
+           })
+          }
+        }),
+      }),
+    };
+  },
+};
+
+export { query, config };
+
+export default graphql(query, config);