Merge branch 'feature/events' of Cadoles/daddy into develop

client/package-lock.json

@@ -1125,9 +1125,9 @@
       "integrity": "sha512-OWORNpfjMsSSUBVrRBVGECkhWcULOAJz9ZW8uK9qgxD+87M7jHRcvh/A96XXNhXTLmKcoYSQtBEX7lHMO7YRwg=="
     },
     "@fortawesome/fontawesome-free": {
-      "version": "5.13.0",
+      "version": "5.15.0",
-      "resolved": "https://registry.npmjs.org/@fortawesome/fontawesome-free/-/fontawesome-free-5.13.0.tgz",
+      "resolved": "https://registry.npmjs.org/@fortawesome/fontawesome-free/-/fontawesome-free-5.15.0.tgz",
-      "integrity": "sha512-xKOeQEl5O47GPZYIMToj6uuA2syyFlq9EMSl2ui0uytjY9xbe8XS0pexNWmxrdcCyNGyDmLyYw5FtKsalBUeOg==",
+      "integrity": "sha512-wXetjQBNMTP59MAYNR1tdahMDOLx3FYj3PKdso7PLFLDpTvmAIqhSSEqnSTmWKahRjD+Sh5I5635+5qaoib5lw==",
       "dev": true
     },
     "@nodelib/fs.scandir": {
@@ -3197,6 +3197,11 @@
       "resolved": "https://registry.npmjs.org/bulma/-/bulma-0.9.0.tgz",
       "integrity": "sha512-rV75CJkubNUroAt0qCRkjznZLoaXq/ctfMXsMvKSL84UetbSyx5REl96e8GoQ04G4Tkw0XF3STECffTOQrbzOQ=="
     },
+    "bulma-timeline": {
+      "version": "3.0.4",
+      "resolved": "https://registry.npmjs.org/bulma-timeline/-/bulma-timeline-3.0.4.tgz",
+      "integrity": "sha512-gCUOcSUuzHoeVMkCpLF49j5Z5yl78XQ+KgJcT+1ju5WIGgBgVytRUob/dw5NHAxPLO2rmcvwYNbCJFp7w4WT4Q=="
+    },
     "bytes": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.0.0.tgz",
@@ -4484,9 +4489,9 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.5.2",
+      "version": "6.5.3",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.2.tgz",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
-      "integrity": "sha512-f4x70okzZbIQl/NSRLkI/+tteV/9WqL98zx+SQ69KbXxmVrmjwsNUPn/gYJJ0sHvEak24cZgHIPegRePAtA/xw==",
+      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
       "dev": true,
       "requires": {
         "bn.js": "^4.4.0",
@@ -6551,9 +6556,9 @@
       }
     },
     "lodash": {
-      "version": "4.17.15",
+      "version": "4.17.20",
-      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
+      "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.20.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
+      "integrity": "sha512-PlhdFcillOINfeV7Ni6oF1TAEayyZBoZ8bcshTHqOYJYlrqzRK5hagpagky5o4HfCzzd1TRkXPMFq6cKk9rGmA=="
     },
     "loglevel": {
       "version": "1.6.8",
@@ -7052,9 +7057,9 @@
       }
     },
     "node-forge": {
-      "version": "0.9.0",
+      "version": "0.10.0",
-      "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.9.0.tgz",
+      "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.10.0.tgz",
-      "integrity": "sha512-7ASaDa3pD+lJ3WvXFsxekJQelBKRpne+GOVbLbtHYdd7pFspyeuJHnWfLplGf3SwKGbfs/aYl5V/JCIaHVUKKQ==",
+      "integrity": "sha512-PPmu8eEeG9saEUvI97fm4OYxXVB6bFvyNTyiUOBichBpFG8A1Ljw3bY62+5oOjDEMHRnd0Y7HQ+x7uzxOzC6JA==",
       "dev": true
     },
     "node-gyp": {
@@ -8745,12 +8750,12 @@
       "dev": true
     },
     "selfsigned": {
-      "version": "1.10.7",
+      "version": "1.10.8",
-      "resolved": "https://registry.npmjs.org/selfsigned/-/selfsigned-1.10.7.tgz",
+      "resolved": "https://registry.npmjs.org/selfsigned/-/selfsigned-1.10.8.tgz",
-      "integrity": "sha512-8M3wBCzeWIJnQfl43IKwOmC4H/RAp50S8DF60znzjW5GVqTcSe2vWclt7hmYVPkKPlHWOu5EaWOMZ2Y6W8ZXTA==",
+      "integrity": "sha512-2P4PtieJeEwVgTU9QEcwIRDQ/mXJLX8/+I3ur+Pg16nS8oNbrGxEso9NyYWy8NAmXiNl4dlAp5MwoNeCWzON4w==",
       "dev": true,
       "requires": {
-        "node-forge": "0.9.0"
+        "node-forge": "^0.10.0"
       }
     },
     "semver": {

client/package.json

@@ -25,7 +25,7 @@
     "@babel/plugin-transform-runtime": "^7.7.4",
     "@babel/preset-env": "^7.7.1",
     "@babel/preset-react": "^7.7.4",
-    "@fortawesome/fontawesome-free": "^5.11.2",
+    "@fortawesome/fontawesome-free": "^5.14.0",
     "@types/node": "^13.13.4",
     "@types/react-dom": "^16.9.7",
     "@types/react-redux": "^7.1.7",
@@ -55,6 +55,7 @@
     "@types/qs": "^6.9.3",
     "bs58": "^4.0.1",
     "bulma": "^0.9.0",
+    "bulma-timeline": "^3.0.4",
     "graphql": "^15.3.0",
     "react": "^16.12.0",
     "react-dom": "^16.12.0",

client/src/components/App.tsx

@@ -74,7 +74,7 @@ const UserSessionCheck: FunctionComponent<UserSessionCheckProps> = ({ setLoggedI
 
   useEffect(() => {
     if (loading) return;
-    setLoggedIn(user.id !== '');
+    setLoggedIn(user && user.id !== '');
   }, [user]);
 
   return null;

client/src/components/DashboardPage/Dashboard.tsx

@@ -1,29 +1,35 @@
 import React from 'react';
 import { WorkgroupsPanel } from './WorkgroupsPanel';
 import { DecisionSupportFilePanel } from './DecisionSupportFilePanel';
+import { Timeline } from '../Timeline';
+import { useEvents } from '../../gql/queries/event';
+
+const from = new Date();
+from.setDate(from.getDate() - 7);
 
 export function Dashboard() {
+  const { events } = useEvents({
+    variables: {
+      filter: {
+        from,
+      }
+    }
+  });
+
   return (
     <div className="columns">
-      <div className="column is-6">
+      <div className="column is-5">
+        <div className="box">
+          <h3 className="is-size-3 mb-3">Ces 7 derniers jours</h3>
+          <Timeline events={events} />
+        </div>
+      </div>
+      <div className="column is-4">
         <DecisionSupportFilePanel />
       </div>
       <div className="column is-3">
         <WorkgroupsPanel />
       </div>
-      <div className="column is-3">
-        <div className="box">
-          <div className="level">
-            <div className="level-left">
-              <h3 className="is-size-3 subtitle level-item">Assemblées</h3>
-            </div>
-            <div className="level-right">
-              <button disabled className="button is-primary level-item"><i className="fa fa-plus"></i></button>
-            </div>
-          </div>
-          <pre>TODO</pre>
-        </div>
-      </div>
     </div>
   );
 }

client/src/components/DecisionSupportFileLink.tsx

@@ -0,0 +1,25 @@
+import React, { FunctionComponent } from "react";
+import { Link } from "react-router-dom";
+import { useWorkgroups } from "../gql/queries/workgroups";
+import { useDecisionSupportFiles } from "../gql/queries/dsf";
+
+export interface DecisioSupportFileLinkProps {
+  decisionSupportFileId: number
+}
+
+export const DecisioSupportFileLink: FunctionComponent<DecisioSupportFileLinkProps> = ({ decisionSupportFileId }) => {
+  const { decisionSupportFiles } = useDecisionSupportFiles({
+    fetchPolicy: "cache-first",
+    variables: {
+      filter: {
+        ids: [decisionSupportFileId]
+      }
+    }
+  });
+
+  const title = decisionSupportFiles.length > 0 ? decisionSupportFiles[0].title : `#${decisionSupportFileId}`;
+
+  return (
+    <Link to={`/decisions/${decisionSupportFileId}`}>{title}</Link>
+  );
+};

client/src/components/Navbar.tsx

@@ -1,6 +1,5 @@
 import React, { Fragment, useState } from 'react';
 import logo from '../resources/logo.svg';
-import { useSelector } from 'react-redux';
 import { Config } from '../config';
 import { Link } from 'react-router-dom';
 import { useLoggedIn } from '../hooks/useLoggedIn';

client/src/components/Timeline.tsx

@@ -0,0 +1,208 @@
+import React, { FunctionComponent } from "react";
+import { formatDate } from "../util/date";
+import { Event } from "../types/event";
+import { Link } from "react-router-dom";
+import { WorkgroupLink } from "./WorkgroupLink";
+import { DecisioSupportFileLink } from "./DecisionSupportFileLink";
+
+export interface TimelineProps {
+  events?: Event[]
+}
+
+export const Timeline: FunctionComponent<TimelineProps> = ({ events }) => {
+  events = debounceEvents(events) || [];
+  return (
+    <React.Fragment>
+      <div className="timeline">
+        {
+          events.map(evt => {
+            return (
+              <div key={evt.id} className="timeline-item">
+                {renderEventMarker(evt)}
+                <div className="timeline-content">
+                  <p className="heading">{formatDate(evt.createdAt)}</p>
+                  {renderEventContent(evt)}
+                </div>
+              </div>
+            );
+          })
+        }
+        {
+          events.length === 0 ?
+          <p className="has-text-centered is-italic">Aucun évènement.</p> :
+          null
+        }
+      </div>
+    </React.Fragment>
+  );
+}
+
+function debounceEvents(events: Event[]): Event[] {
+  const debounced = [];
+  for(let evt: Event, i = 0; (evt = events[i]); ++i) {
+    const prev = i > 0 ? events[i-1] : null;
+    
+    if (!prev) {
+      debounced.push(evt);
+      continue;
+    }
+
+    const isSame = evt.objectId === prev.objectId && 
+      evt.objectType === prev.objectType &&
+      evt.type === prev.type &&
+      evt.user.id === prev.user.id
+    ;
+
+    if (isSame) continue;
+
+    debounced.push(evt);
+  }
+
+  return debounced;
+}
+
+const eventMarkerMap = {
+  "closed": (evt:Event) => (
+    <div className="timeline-marker is-icon is-danger">
+      <i className="fa fa-times"></i>
+    </div>
+  ),
+  "created": (evt:Event) => (
+    <div className="timeline-marker is-icon is-success">
+      <i className="fa fa-plus"></i>
+    </div>
+  ),
+  "updated": (evt:Event) => (
+    <div className="timeline-marker is-icon is-info">
+      <i className="fa fa-pen"></i>
+    </div>
+  ),
+  "title-changed": (evt:Event) => (
+    <div className="timeline-marker is-icon is-info">
+      <i className="fa fa-pen"></i>
+    </div>
+  ),
+  "status-changed": (evt:Event) => (
+    <div className="timeline-marker is-icon is-primary">
+      <i className="fa fa-star"></i>
+    </div>
+  ),
+  "joined": (evt:Event) => (
+    <div className="timeline-marker is-icon is-info">
+      <i className="fa fa-users"></i>
+    </div>
+  ),
+  "leaved": (evt:Event) => (
+    <div className="timeline-marker is-icon is-warning">
+      <i className="fas fa-users-slash"></i>
+    </div>
+  ),
+}
+
+function renderEventMarker(evt: Event) {
+  const render = eventMarkerMap[evt.type];
+  if (!render) return ( <div className="timeline-marker"></div> );
+  return render(evt);
+}
+
+const eventContentMap = {
+  "created": {
+    "workgroup": (evt:Event) => {
+      return (
+        <React.Fragment>
+          <span>{`${evt.user.name ? evt.user.name : evt.user.email} a créé le groupe de travail `}</span>
+          "<WorkgroupLink workgroupId={evt.objectId} />".
+        </React.Fragment> 
+      );
+    },
+    "dsf": (evt:Event) => {
+      return (
+        <React.Fragment>
+          <span>{`${evt.user.name ? evt.user.name : evt.user.email} a créé le dossier d'aide à la décision `}</span>
+          "<DecisioSupportFileLink decisionSupportFileId={evt.objectId} />".
+        </React.Fragment> 
+      );
+    },
+  },
+  "title-changed": {
+    "dsf": (evt:Event) => {
+      return (
+        <React.Fragment>
+          <span>{`${evt.user.name ? evt.user.name : evt.user.email} a modifié le titre du dossier d'aide à la décision `}</span>
+          "<DecisioSupportFileLink decisionSupportFileId={evt.objectId} />".
+        </React.Fragment>
+      )
+    }
+  },
+  "status-changed": {
+    "dsf": (evt:Event) => {
+      return (
+        <React.Fragment>
+          <span>{`${evt.user.name ? evt.user.name : evt.user.email} a modifié le statut du dossier d'aide à la décision `}</span>
+          "<DecisioSupportFileLink decisionSupportFileId={evt.objectId} />".
+        </React.Fragment>
+      )
+    }
+  },
+  "joined": {
+    "workgroup": (evt:Event) => {
+      return (
+        <React.Fragment>
+          <span>{`${evt.user.name ? evt.user.name : evt.user.email} a rejoint le groupe de travail `}</span>
+          "<WorkgroupLink workgroupId={evt.objectId} />".
+        </React.Fragment> 
+      );
+    },
+  },
+  "updated": {
+    "workgroup": (evt:Event) => {
+      return (
+        <React.Fragment>
+          <span>{`${evt.user.name ? evt.user.name : evt.user.email} a mis à jour le groupe de travail `}</span>
+          "<WorkgroupLink workgroupId={evt.objectId} />".
+        </React.Fragment> 
+      );
+    },
+    "dsf": (evt:Event) => {
+      return (
+        <React.Fragment>
+          <span>{`${evt.user.name ? evt.user.name : evt.user.email} a modifié le dossier d'aide à la décision `}</span>
+          "<DecisioSupportFileLink decisionSupportFileId={evt.objectId} />".
+        </React.Fragment>
+      );
+    },
+  },
+  "leaved": {
+    "workgroup": (evt:Event) => {
+      return (
+        <React.Fragment>
+          <span>{`${evt.user.name ? evt.user.name : evt.user.email} a quitté le groupe de travail `}</span>
+          "<WorkgroupLink workgroupId={evt.objectId} />".
+        </React.Fragment> 
+      );
+    },
+  },
+  "closed": {
+    "workgroup": (evt:Event) => {
+      return (
+        <React.Fragment>
+          <span>{`${evt.user.name ? evt.user.name : evt.user.email} a clos le groupe de travail `}</span>
+          "<WorkgroupLink workgroupId={evt.objectId} />".
+        </React.Fragment> 
+      );
+    },
+  },
+};
+
+function renderEventContent(evt: Event) {
+  const eventTypeMap = eventContentMap[evt.type];
+  const render = eventTypeMap && eventTypeMap[evt.objectType];
+  
+  if (!eventTypeMap || !render) {
+    return (
+      <span className="is-italic">{`Type d'évènement "${evt.type}/${evt.objectType}" inconnu.`}</span>
+    );
+  }
+
+  return render(evt);
+}

client/src/components/WorkgroupLink.tsx

@@ -0,0 +1,24 @@
+import React, { FunctionComponent } from "react";
+import { Link } from "react-router-dom";
+import { useWorkgroups } from "../gql/queries/workgroups";
+
+export interface WorkgroupLinkProps {
+  workgroupId: number
+}
+
+export const WorkgroupLink: FunctionComponent<WorkgroupLinkProps> = ({ workgroupId }) => {
+  const { workgroups } = useWorkgroups({
+    fetchPolicy: "cache-first",
+    variables: {
+      filter: {
+        ids: [workgroupId]
+      }
+    }
+  });
+
+  const workgroupName = workgroups.length > 0 ? workgroups[0].name : `#${workgroupId}`;
+
+  return (
+    <Link to={`/workgroups/${workgroupId}`}>{workgroupName}</Link>
+  );
+};

client/src/components/WorkgroupPage/InfoForm.tsx

@@ -1,6 +1,7 @@
 import React, { useState, ChangeEvent, useEffect } from 'react';
 import { Workgroup } from '../../types/workgroup';
 import { useIsAuthorized } from '../../gql/queries/authorization';
+import { formatDate } from '../../util/date';
 
 export interface InfoFormProps {
   workgroup: Workgroup
@@ -80,7 +81,7 @@ export function InfoForm({ workgroup, onChange }: InfoFormProps) {
         <div className="field">
           <label className="label">Date de création</label>
           <div className="control">
-            <p className="input is-static">{state.workgroup.createdAt}</p>
+            <p className="input is-static">{formatDate(state.workgroup.createdAt)}</p>
           </div>
         </div>:
         null
@@ -90,7 +91,7 @@ export function InfoForm({ workgroup, onChange }: InfoFormProps) {
         <div className="field">
           <label className="label">Date de clôture</label>
           <div className="control">
-            <p className="input is-static">{state.workgroup.closedAt}</p>
+            <p className="input is-static">{formatDate(state.workgroup.closedAt)}</p>
           </div>
         </div>:
         null

client/src/gql/queries/event.ts

@@ -0,0 +1,31 @@
+import { gql, useQuery, QueryHookOptions } from '@apollo/client';
+import { useGraphQLData } from './helper';
+import { Event } from '../../types/event';
+
+export const QUERY_EVENTS = gql`
+  query events($filter: EventFilter) {
+    events(filter: $filter) {
+      id
+      user {
+        id
+        name
+        email
+      }
+      type
+      objectType
+      objectId
+      createdAt
+    }
+  }
+`;
+
+export function useEventsQuery<A = any, R = Record<string, any>>(options: QueryHookOptions<A, R> = {}) {
+  return useQuery(QUERY_EVENTS, options);
+}
+
+export function useEvents<A = any, R = Record<string, any>>(options: QueryHookOptions<A, R> = {}) {
+  const { data, loading, error } = useGraphQLData<Event[]>(
+    QUERY_EVENTS, 'events', [], options
+  );
+  return { events: data, loading, error };
+}

client/src/index.tsx

@@ -8,7 +8,6 @@ import '@fortawesome/fontawesome-free/js/solid'
 import '@fortawesome/fontawesome-free/js/regular'
 import '@fortawesome/fontawesome-free/js/brands'
 import './resources/favicon.png';
-import { ApolloProvider } from '@apollo/client';
 
 ReactDOM.render(
   <App />,

client/src/sass/_all.scss

@@ -1,3 +1,5 @@
 @import 'bulma/bulma.sass';
+@import 'bulma-timeline/dist/css/bulma-timeline.sass';
+@import '_bulma-timeline.scss';
 @import '_base.scss';
 @import '_loader.scss';

client/src/sass/_bulma-timeline.scss

@@ -0,0 +1,12 @@
+.timeline {
+    .timeline-item {
+        .timeline-marker {
+            &.is-icon {
+                > svg {
+                    color: $white;
+                    font-size: $timeline-icon-size !important;
+                }
+            }
+        }
+    }
+}

client/src/types/event.ts

@@ -0,0 +1,11 @@
+import { User } from "./user";
+
+export interface Event {
+  id: string
+  createdAt: Date
+  updatedAt: Date
+  user: User
+  objectType: string
+  objectId: number
+  type: string
+}

cmd/server/migration.go

@@ -81,6 +81,7 @@ var initialModels = []interface{}{
 	&model.User{},
 	&model.Workgroup{},
 	&model.DecisionSupportFile{},
+	&model.Event{},
 }
 
 func m000initialSchema() orm.Migration {

internal/graph/dsf_handler.go

@@ -2,7 +2,7 @@ package graph
 
 import (
 	"context"
-	"encoding/json"
+	"reflect"
 
 	"forge.cadoles.com/Cadoles/daddy/internal/orm"
 	"gitlab.com/wpetit/goweb/middleware/container"
@@ -12,6 +12,11 @@ import (
 )
 
 func handleCreateDecisionSupportFile(ctx context.Context, changes *model.DecisionSupportFileChanges) (*model.DecisionSupportFile, error) {
+	user, db, err := getSessionUser(ctx)
+	if err != nil {
+		return nil, errs.WithStack(err)
+	}
+
 	authorized, err := isAuthorized(ctx, &model.DecisionSupportFile{}, model.ActionCreate)
 	if err != nil {
 		return nil, errs.WithStack(err)
@@ -21,9 +26,6 @@ func handleCreateDecisionSupportFile(ctx context.Context, changes *model.Decisio
 		return nil, errs.WithStack(ErrForbidden)
 	}
 
-	ctn := container.Must(ctx)
-	db := orm.Must(ctn).DB()
-
 	repo := model.NewDSFRepository(db)
 
 	dsf, err := repo.Create(ctx, changes)
@@ -31,21 +33,29 @@ func handleCreateDecisionSupportFile(ctx context.Context, changes *model.Decisio
 		return nil, errs.WithStack(err)
 	}
 
+	eventRepo := model.NewEventRepository(db)
+
+	if _, err := eventRepo.Add(ctx, user, model.EventTypeCreated, dsf); err != nil {
+		return nil, errs.WithStack(err)
+	}
+
 	return dsf, nil
 }
 
 func handleUpdateDecisionSupportFile(ctx context.Context, id string, changes *model.DecisionSupportFileChanges) (*model.DecisionSupportFile, error) {
-	ctn := container.Must(ctx)
+	user, db, err := getSessionUser(ctx)
-	db := orm.Must(ctn).DB()
-
-	repo := model.NewDSFRepository(db)
-
-	dsf, err := repo.Find(ctx, id)
 	if err != nil {
 		return nil, errs.WithStack(err)
 	}
 
-	authorized, err := isAuthorized(ctx, dsf, model.ActionUpdate)
+	repo := model.NewDSFRepository(db)
+
+	prevDsf, err := repo.Find(ctx, id)
+	if err != nil {
+		return nil, errs.WithStack(err)
+	}
+
+	authorized, err := isAuthorized(ctx, prevDsf, model.ActionUpdate)
 	if err != nil {
 		return nil, errs.WithStack(err)
 	}
@@ -54,11 +64,31 @@ func handleUpdateDecisionSupportFile(ctx context.Context, id string, changes *mo
 		return nil, errs.WithStack(ErrForbidden)
 	}
 
-	dsf, err = repo.Update(ctx, id, changes)
+	dsf, err := repo.Update(ctx, id, changes)
 	if err != nil {
 		return nil, errs.WithStack(err)
 	}
 
+	eventRepo := model.NewEventRepository(db)
+
+	if changes != nil && changes.Status != nil && prevDsf.Status != *changes.Status {
+		if _, err := eventRepo.Add(ctx, user, model.EventTypeStatusChanged, dsf); err != nil {
+			return nil, errs.WithStack(err)
+		}
+	}
+
+	if changes != nil && changes.Title != nil && prevDsf.Title != *changes.Title {
+		if _, err := eventRepo.Add(ctx, user, model.EventTypeTitleChanged, dsf); err != nil {
+			return nil, errs.WithStack(err)
+		}
+	}
+
+	if changes != nil && !reflect.DeepEqual(prevDsf.Sections, dsf.Sections) {
+		if _, err := eventRepo.Add(ctx, user, model.EventTypeUpdated, dsf); err != nil {
+			return nil, errs.WithStack(err)
+		}
+	}
+
 	return dsf, nil
 }
 
@@ -88,13 +118,3 @@ func handleDecisionSupportFiles(ctx context.Context, filter *model.DecisionSuppo
 
 	return dsfs, nil
 }
-
-func handleSections(ctx context.Context, dsf *model.DecisionSupportFile) (map[string]interface{}, error) {
-	sections := make(map[string]interface{})
-
-	if err := json.Unmarshal(dsf.Sections.RawMessage, &sections); err != nil {
-		return nil, errs.WithStack(err)
-	}
-
-	return sections, nil
-}

internal/graph/event_handler.go

@@ -0,0 +1,24 @@
+package graph
+
+import (
+	"context"
+
+	"forge.cadoles.com/Cadoles/daddy/internal/model"
+	"forge.cadoles.com/Cadoles/daddy/internal/orm"
+	errs "github.com/pkg/errors"
+	"gitlab.com/wpetit/goweb/middleware/container"
+)
+
+func handleEvents(ctx context.Context, filter *model.EventFilter) ([]*model.Event, error) {
+	ctn := container.Must(ctx)
+	db := orm.Must(ctn).DB()
+
+	repo := model.NewEventRepository(db)
+
+	events, err := repo.Search(ctx, filter)
+	if err != nil {
+		return nil, errs.WithStack(err)
+	}
+
+	return events, nil
+}

internal/graph/query.graphql

@@ -18,6 +18,16 @@ type Workgroup {
   members: [User]!
 }
 
+type Event {
+  id: ID!
+  type: String!
+  createdAt: Time!
+  updatedAt: Time!
+  objectId: ID!
+  objectType: String!
+  user: User!
+}
+
 input WorkgroupsFilter {
   ids: [ID]
 }
@@ -44,9 +54,19 @@ input AuthorizationObject {
   decisionSupportFileId: ID
 }
 
+input EventFilter {
+  objectType: String
+  objectId: ID
+  userId: ID
+  type: String
+  from: Time
+  to: Time
+}
+
 type Query {
   userProfile: User
   workgroups(filter: WorkgroupsFilter): [Workgroup]!
   decisionSupportFiles(filter: DecisionSupportFileFilter): [DecisionSupportFile]!
+  events(filter: EventFilter): [Event]!
   isAuthorized(action: String!, object: AuthorizationObject!): Boolean!
 }

internal/graph/query.resolvers.go

@@ -15,8 +15,16 @@ func (r *decisionSupportFileResolver) ID(ctx context.Context, obj *model1.Decisi
 	return strconv.FormatUint(uint64(obj.ID), 10), nil
 }
 
-func (r *decisionSupportFileResolver) Sections(ctx context.Context, obj *model1.DecisionSupportFile) (map[string]interface{}, error) {
+func (r *eventResolver) ID(ctx context.Context, obj *model1.Event) (string, error) {
-	return handleSections(ctx, obj)
+	return strconv.FormatUint(uint64(obj.ID), 10), nil
+}
+
+func (r *eventResolver) Type(ctx context.Context, obj *model1.Event) (string, error) {
+	return string(obj.Type), nil
+}
+
+func (r *eventResolver) ObjectID(ctx context.Context, obj *model1.Event) (string, error) {
+	return strconv.FormatUint(uint64(obj.ObjectID), 10), nil
 }
 
 func (r *queryResolver) UserProfile(ctx context.Context) (*model1.User, error) {
@@ -31,6 +39,10 @@ func (r *queryResolver) DecisionSupportFiles(ctx context.Context, filter *model1
 	return handleDecisionSupportFiles(ctx, filter)
 }
 
+func (r *queryResolver) Events(ctx context.Context, filter *model1.EventFilter) ([]*model1.Event, error) {
+	return handleEvents(ctx, filter)
+}
+
 func (r *queryResolver) IsAuthorized(ctx context.Context, action string, object model1.AuthorizationObject) (bool, error) {
 	return handleIsAuthorized(ctx, action, object)
 }
@@ -48,6 +60,9 @@ func (r *Resolver) DecisionSupportFile() generated.DecisionSupportFileResolver {
 	return &decisionSupportFileResolver{r}
 }
 
+// Event returns generated.EventResolver implementation.
+func (r *Resolver) Event() generated.EventResolver { return &eventResolver{r} }
+
 // Query returns generated.QueryResolver implementation.
 func (r *Resolver) Query() generated.QueryResolver { return &queryResolver{r} }
 
@@ -58,6 +73,17 @@ func (r *Resolver) User() generated.UserResolver { return &userResolver{r} }
 func (r *Resolver) Workgroup() generated.WorkgroupResolver { return &workgroupResolver{r} }
 
 type decisionSupportFileResolver struct{ *Resolver }
+type eventResolver struct{ *Resolver }
 type queryResolver struct{ *Resolver }
 type userResolver struct{ *Resolver }
 type workgroupResolver struct{ *Resolver }
+
+// !!! WARNING !!!
+// The code below was going to be deleted when updating resolvers. It has been copied here so you have
+// one last chance to move it out of harms way if you want. There are two reasons this happens:
+//  - When renaming or deleting a resolver the old code will be put in here. You can safely delete
+//    it when you're done.
+//  - You have helper methods in this file. Move them out to keep these resolver files clean.
+func (r *decisionSupportFileResolver) Sections(ctx context.Context, obj *model1.DecisionSupportFile) (map[string]interface{}, error) {
+	return obj.Sections, nil
+}

internal/graph/workgroup_handler.go

@@ -72,6 +72,12 @@ func handleJoinWorkgroup(ctx context.Context, rawWorkgroupID string) (*model.Wor
 		return nil, errors.WithStack(err)
 	}
 
+	eventRepo := model.NewEventRepository(db)
+
+	if _, err := eventRepo.Add(ctx, user, model.EventTypeJoined, workgroup); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
 	return workgroup, nil
 }
 
@@ -102,6 +108,12 @@ func handleLeaveWorkgroup(ctx context.Context, workgroupID string) (*model.Workg
 		return nil, errors.WithStack(err)
 	}
 
+	eventRepo := model.NewEventRepository(db)
+
+	if _, err := eventRepo.Add(ctx, user, model.EventTypeLeaved, workgroup); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
 	return workgroup, nil
 }
 
@@ -115,7 +127,7 @@ func handleCreateWorkgroup(ctx context.Context, changes model.WorkgroupChanges)
 		return nil, errs.WithStack(ErrForbidden)
 	}
 
-	db, err := getDB(ctx)
+	user, db, err := getSessionUser(ctx)
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}
@@ -127,11 +139,17 @@ func handleCreateWorkgroup(ctx context.Context, changes model.WorkgroupChanges)
 		return nil, errors.WithStack(err)
 	}
 
+	eventRepo := model.NewEventRepository(db)
+
+	if _, err := eventRepo.Add(ctx, user, model.EventTypeCreated, workgroup); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
 	return workgroup, nil
 }
 
 func handleCloseWorkgroup(ctx context.Context, workgroupID string) (*model.Workgroup, error) {
-	db, err := getDB(ctx)
+	user, db, err := getSessionUser(ctx)
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}
@@ -157,11 +175,17 @@ func handleCloseWorkgroup(ctx context.Context, workgroupID string) (*model.Workg
 		return nil, errors.WithStack(err)
 	}
 
+	eventRepo := model.NewEventRepository(db)
+
+	if _, err := eventRepo.Add(ctx, user, model.EventTypeClosed, workgroup); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
 	return workgroup, nil
 }
 
 func handleUpdateWorkgroup(ctx context.Context, workgroupID string, changes model.WorkgroupChanges) (*model.Workgroup, error) {
-	db, err := getDB(ctx)
+	user, db, err := getSessionUser(ctx)
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}
@@ -187,5 +211,11 @@ func handleUpdateWorkgroup(ctx context.Context, workgroupID string, changes mode
 		return nil, errors.WithStack(err)
 	}
 
+	eventRepo := model.NewEventRepository(db)
+
+	if _, err := eventRepo.Add(ctx, user, model.EventTypeUpdated, workgroup); err != nil {
+		return nil, errors.WithStack(err)
+	}
+
 	return workgroup, nil
 }

internal/model/dsf.go

@@ -1,19 +1,55 @@
 package model
 
 import (
+	"encoding/json"
 	"time"
 
 	"github.com/jinzhu/gorm"
 	"github.com/jinzhu/gorm/dialects/postgres"
+	errs "github.com/pkg/errors"
 )
 
+const ObjectTypeDecisionSupportFile = "dsf"
+
 type DecisionSupportFile struct {
 	gorm.Model
 	Title        string                 `json:"title"`
-	Sections    postgres.Jsonb `json:"sections"`
+	SectionsJSON postgres.Jsonb         `json:"-" gorm:"column:sections;"`
+	Sections     map[string]interface{} `gorm:"-"`
 	Status       string                 `json:"status"`
 	WorkgroupID  uint                   `json:"-"`
-	Workgroup   *Workgroup     `json:"workgroup"`
+	Workgroup    *Workgroup             `json:"workgroup" gorm:"association_autoupdate:false"`
 	VotedAt      time.Time              `json:"votedAt"`
 	ClosedAt     time.Time              `json:"closedAt"`
 }
+
+func (f *DecisionSupportFile) ObjectID() uint {
+	return f.ID
+}
+
+func (f *DecisionSupportFile) ObjectType() string {
+	return ObjectTypeDecisionSupportFile
+}
+
+func (f *DecisionSupportFile) BeforeSave() error {
+	rawSections, err := json.Marshal(f.Sections)
+	if err != nil {
+		return errs.WithStack(err)
+	}
+
+	f.SectionsJSON = postgres.Jsonb{RawMessage: rawSections}
+
+	return nil
+}
+
+func (f *DecisionSupportFile) AfterFind() (err error) {
+	sections := make(map[string]interface{})
+
+	if err := json.Unmarshal(f.SectionsJSON.RawMessage, &sections); err != nil {
+		return errs.WithStack(err)
+	}
+
+	f.Sections = sections
+
+	return nil
+}

internal/model/dsf_repository.go

@@ -2,11 +2,9 @@ package model
 
 import (
 	"context"
-	"encoding/json"
 	"errors"
 
 	"github.com/jinzhu/gorm"
-	"github.com/jinzhu/gorm/dialects/postgres"
 	errs "github.com/pkg/errors"
 )
 
@@ -69,12 +67,7 @@ func (r *DSFRepository) updateFromChanges(dsf *DecisionSupportFile, changes *Dec
 	dsf.Workgroup = wg
 
 	if changes.Sections != nil {
-		rawSections, err := json.Marshal(changes.Sections)
+		dsf.Sections = changes.Sections
-		if err != nil {
-			return errs.WithStack(err)
-		}
-
-		dsf.Sections = postgres.Jsonb{RawMessage: rawSections}
 	}
 
 	if changes.Title != nil {

internal/model/event.go

@@ -0,0 +1,31 @@
+package model
+
+import (
+	"github.com/jinzhu/gorm"
+)
+
+type EventType string
+
+const (
+	EventTypeCreated       EventType = "created"
+	EventTypeUpdated       EventType = "updated"
+	EventTypeLeaved        EventType = "leaved"
+	EventTypeJoined        EventType = "joined"
+	EventTypeClosed        EventType = "closed"
+	EventTypeStatusChanged EventType = "status-changed"
+	EventTypeTitleChanged  EventType = "title-changed"
+)
+
+type EventObject interface {
+	ObjectID() uint
+	ObjectType() string
+}
+
+type Event struct {
+	gorm.Model
+	UserID     uint      `json:"-"`
+	User       *User     `json:"user" gorm:"association_autoupdate:false"`
+	ObjectType string    `json:"objectType"`
+	ObjectID   uint      `json:"objectId"`
+	Type       EventType `json:"type"`
+}

internal/model/event_repository.go

@@ -0,0 +1,73 @@
+package model
+
+import (
+	"context"
+
+	"github.com/jinzhu/gorm"
+	errs "github.com/pkg/errors"
+)
+
+type EventRepository struct {
+	db *gorm.DB
+}
+
+func (r *EventRepository) Add(ctx context.Context, user *User, eventType EventType, obj EventObject) (*Event, error) {
+	evt := &Event{
+		Type:       eventType,
+		User:       user,
+		ObjectID:   obj.ObjectID(),
+		ObjectType: obj.ObjectType(),
+	}
+
+	if err := r.db.Save(&evt).Error; err != nil {
+		return nil, errs.WithStack(err)
+	}
+
+	return evt, nil
+}
+
+func (r *EventRepository) Search(ctx context.Context, filter *EventFilter) ([]*Event, error) {
+	query := r.db.Model(&Event{}).Preload("User")
+
+	if filter == nil {
+		filter = &EventFilter{}
+	}
+
+	if filter.ObjectID != nil {
+		query = query.Where("object_id = ?", filter.ObjectID)
+	}
+
+	if filter.ObjectType != nil {
+		query = query.Where("object_type = ?", filter.ObjectType)
+	}
+
+	if filter.UserID != nil {
+		query = query.Where("user_id = ?", filter.UserID)
+	}
+
+	if filter.Type != nil {
+		query = query.Where("type = ?", filter.Type)
+	}
+
+	if filter.From != nil {
+		query = query.Where("created_at >= ?", filter.From)
+	}
+
+	if filter.To != nil {
+		query = query.Where("created_at <= ?", filter.To)
+	}
+
+	query = query.Order("created_at DESC")
+
+	events := make([]*Event, 0)
+
+	if err := query.Find(&events).Error; err != nil {
+		return nil, errs.WithStack(err)
+	}
+
+	return events, nil
+}
+
+func NewEventRepository(db *gorm.DB) *EventRepository {
+	return &EventRepository{db}
+}

internal/model/user.go

@@ -11,7 +11,7 @@ type User struct {
 	Name        *string      `json:"name"`
 	Email       string       `json:"email" gorm:"unique;not null"`
 	ConnectedAt time.Time    `json:"connectedAt"`
-	Workgroups  []*Workgroup `gorm:"many2many:users_workgroups;"`
+	Workgroups  []*Workgroup `gorm:"many2many:users_workgroups;association_autoupdate:false"`
 }
 
 type ProfileChanges struct {

internal/model/workgroup.go

@@ -6,11 +6,21 @@ import (
 	"github.com/jinzhu/gorm"
 )
 
+const ObjectTypeWorkgroup = "workgroup"
+
 type Workgroup struct {
 	gorm.Model
 	Name     *string   `json:"name"`
 	ClosedAt time.Time `json:"closedAt"`
-	Members  []*User   `gorm:"many2many:users_workgroups;"`
+	Members  []*User   `gorm:"many2many:users_workgroups;association_autoupdate:false"`
+}
+
+func (w *Workgroup) ObjectID() uint {
+	return w.ID
+}
+
+func (w *Workgroup) ObjectType() string {
+	return ObjectTypeWorkgroup
 }
 
 type WorkgroupChanges struct {

internal/model/workgroup_repository.go

@@ -106,29 +106,35 @@ func (r *WorkgroupRepository) AddUserToWorkgroup(ctx context.Context, userID, wo
 }
 
 func (r *WorkgroupRepository) RemoveUserFromWorkgroup(ctx context.Context, userID, workgroupID uint) (*Workgroup, error) {
-	user := &User{}
-
-	err := r.db.First(user, "id = ?", userID).Error
-	if err != nil {
-		return nil, errors.Wrap(err, "could not find user")
-	}
-
 	workgroup := &Workgroup{}
 	workgroup.ID = workgroupID
 
-	err = r.db.Model(user).
+	err := r.db.Transaction(func(tx *gorm.DB) error {
+		user := &User{}
+		err := tx.First(user, "id = ?", userID).Error
+		if err != nil {
+			return errors.Wrap(err, "could not find user")
+		}
+
+		err = tx.Model(user).
 			Association("Workgroups").
 			Delete(workgroup).
 			Error
 
 		if err != nil {
-		return nil, errors.Wrap(err, "could not add user to workgroup")
+			return errors.Wrap(err, "could not add user to workgroup")
 		}
 
-	err = r.db.Model(workgroup).
+		err = tx.Model(workgroup).
 			Preload("Members").
 			First(workgroup, "id = ?", workgroupID).
 			Error
+		if err != nil {
+			return errors.WithStack(err)
+		}
+
+		return nil
+	})
 	if err != nil {
 		return nil, errors.WithStack(err)
 	}