Add event organizers.

0082, 0083, 0084, 0085, 0086

0140

Allow organizers to edit an event.

0133, 0190, 0192, 0193, 0198, 0211

Author: openbrian

app/abilities/ability.rb

@@ -71,7 +71,7 @@ def initialize(user)
         can [:create, :destroy], CommunityMember, :user_id => user.id
         can [:destroy, :edit, :update], CommunityMember, :community => user_is_community_organizer
         can [:destroy], CommunityMember, :user_id => user.id
-        can [:new, :create], Event, :community => user_is_community_organizer
+        can [:create, :edit, :new, :update], Event, :community => user_is_community_organizer
 
         if user.moderator?
           can [:hide, :hidecomment], DiaryEntry

app/controllers/events_controller.rb

@@ -1,7 +1,7 @@
 class EventsController < ApplicationController
   layout "site"
   before_action :authorize_web
-  before_action :set_event, :only => [:edit, :show]
+  before_action :set_event, :only => [:edit, :show, :update]
   # This needs to be one before load_and_authorize_resource, so cancancan will be handed
   # an event that contains a community, based on the input parameter community_id.
   before_action :set_params_for_new, :only => [:new]
@@ -36,16 +36,14 @@ def edit; end
   # POST /events.json
   def create
     @event = Event.new(event_params)
+    @event_organizer = EventOrganizer.new(:event => @event, :user => current_user)
 
-    respond_to do |format|
-      if @event.save
-        warn_if_event_in_past
-        format.html { redirect_to @event, :notice => t(".success") }
-        format.json { render :show, :status => :created, :location => @event }
-      else
-        format.html { render :new }
-        format.json { render :json => @event.errors, :status => :unprocessable_entity }
-      end
+    if @event.save && @event_organizer.save
+      warn_if_event_in_past
+      redirect_to @event, :notice => t(".success")
+    else
+      flash.now[:alert] = t(".failure")
+      render :new
     end
   end
 
@@ -58,6 +56,15 @@ def show
     render :template => "communities/no_such_community", :status => :not_found
   end
 
+  def update
+    if @event.update(event_params)
+      redirect_to @event, :notice => t(".success")
+    else
+      flash.now[:alert] = t(".failure")
+      render :edit
+    end
+  end
+
   private
 
   def warn_if_event_in_past

app/models/event.rb

@@ -17,6 +17,7 @@
 
 class Event < ApplicationRecord
   belongs_to :community
+  has_many :event_organizers
 
   scope :future, -> { where("moment >= ?", Time.now.utc) }
   scope :past, -> { where("moment < ?", Time.now.utc) }
@@ -47,6 +48,10 @@ class Event < ApplicationRecord
     }
   )
 
+  def organizers
+    EventOrganizer.where(:event_id => id)
+  end
+
   def past?
     moment < Time.now.utc
   end

app/models/event_organizer.rb

@@ -0,0 +1,4 @@
+class EventOrganizer < ApplicationRecord
+  belongs_to :event
+  belongs_to :user
+end

app/views/events/edit.html.erb

@@ -0,0 +1,3 @@
+<h1><%= t(".edit_event") %></h1>
+
+<%= render "form", :event => @event %>

app/views/events/show.html.erb

@@ -32,7 +32,9 @@
       <%= t(".hosted_by") %>: <strong><%= link_to @event.community.name, community_path(@event.community) %></strong>
     </p>
     <p>
-      <%= t(".organized_by") %>: <strong>TBD</strong>
+      <%= t(".organized_by") %>: <% @event.organizers.each do |organizer| %>
+        <strong><%= link_to organizer.user.display_name, user_path(organizer.user) %></strong>
+      <% end %>
     </p>
   </div>
   <div>

config/locales/en.yml

@@ -702,6 +702,9 @@ en:
   events:
     create:
       success: Event was created successfully.
+      failure: Event was not created.
+    edit:
+      edit_event: Edit Event
     index:
       description: "Description"
       events: "Events"
@@ -726,6 +729,9 @@ en:
       organized_by: "Organized by"
       past: "Event is in the past."
       when: "When"
+    update:
+      success: "The event was successfully updated."
+      failure: "The event was not updated."
   friendships:
     make_friend:
       heading: "Add %{user} as a friend?"

db/migrate/20221008224134_create_event_organizers.rb

@@ -0,0 +1,10 @@
+class CreateEventOrganizers < ActiveRecord::Migration[7.0]
+  def change
+    create_table :event_organizers do |t|
+      t.references :event, :foreign_key => true, :null => false, :index => true
+      t.references :user, :foreign_key => true, :null => false, :index => true
+
+      t.timestamps
+    end
+  end
+end

db/structure.sql

@@ -777,6 +777,38 @@ CREATE TABLE public.diary_entry_subscriptions (
 );
 
 
+--
+-- Name: event_organizers; Type: TABLE; Schema: public; Owner: -
+--
+
+CREATE TABLE public.event_organizers (
+    id bigint NOT NULL,
+    event_id bigint NOT NULL,
+    user_id bigint NOT NULL,
+    created_at timestamp(6) without time zone NOT NULL,
+    updated_at timestamp(6) without time zone NOT NULL
+);
+
+
+--
+-- Name: event_organizers_id_seq; Type: SEQUENCE; Schema: public; Owner: -
+--
+
+CREATE SEQUENCE public.event_organizers_id_seq
+    START WITH 1
+    INCREMENT BY 1
+    NO MINVALUE
+    NO MAXVALUE
+    CACHE 1;
+
+
+--
+-- Name: event_organizers_id_seq; Type: SEQUENCE OWNED BY; Schema: public; Owner: -
+--
+
+ALTER SEQUENCE public.event_organizers_id_seq OWNED BY public.event_organizers.id;
+
+
 --
 -- Name: events; Type: TABLE; Schema: public; Owner: -
 --
@@ -1820,6 +1852,13 @@ ALTER TABLE ONLY public.diary_comments ALTER COLUMN id SET DEFAULT nextval('publ
 ALTER TABLE ONLY public.diary_entries ALTER COLUMN id SET DEFAULT nextval('public.diary_entries_id_seq'::regclass);
 
 
+--
+-- Name: event_organizers id; Type: DEFAULT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.event_organizers ALTER COLUMN id SET DEFAULT nextval('public.event_organizers_id_seq'::regclass);
+
+
 --
 -- Name: events id; Type: DEFAULT; Schema: public; Owner: -
 --
@@ -2151,6 +2190,14 @@ ALTER TABLE ONLY public.diary_entry_subscriptions
     ADD CONSTRAINT diary_entry_subscriptions_pkey PRIMARY KEY (user_id, diary_entry_id);
 
 
+--
+-- Name: event_organizers event_organizers_pkey; Type: CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.event_organizers
+    ADD CONSTRAINT event_organizers_pkey PRIMARY KEY (id);
+
+
 --
 -- Name: events events_pkey; Type: CONSTRAINT; Schema: public; Owner: -
 --
@@ -2715,6 +2762,20 @@ CREATE INDEX index_community_members_on_user_id ON public.community_members USIN
 CREATE INDEX index_diary_entry_subscriptions_on_diary_entry_id ON public.diary_entry_subscriptions USING btree (diary_entry_id);
 
 
+--
+-- Name: index_event_organizers_on_event_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_event_organizers_on_event_id ON public.event_organizers USING btree (event_id);
+
+
+--
+-- Name: index_event_organizers_on_user_id; Type: INDEX; Schema: public; Owner: -
+--
+
+CREATE INDEX index_event_organizers_on_user_id ON public.event_organizers USING btree (user_id);
+
+
 --
 -- Name: index_events_on_community_id; Type: INDEX; Schema: public; Owner: -
 --
@@ -3346,6 +3407,14 @@ ALTER TABLE ONLY public.active_storage_variant_records
     ADD CONSTRAINT fk_rails_993965df05 FOREIGN KEY (blob_id) REFERENCES public.active_storage_blobs(id);
 
 
+--
+-- Name: event_organizers fk_rails_b1c2c61554; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.event_organizers
+    ADD CONSTRAINT fk_rails_b1c2c61554 FOREIGN KEY (user_id) REFERENCES public.users(id);
+
+
 --
 -- Name: oauth_access_grants fk_rails_b4b53e07b8; Type: FK CONSTRAINT; Schema: public; Owner: -
 --
@@ -3354,6 +3423,14 @@ ALTER TABLE ONLY public.oauth_access_grants
     ADD CONSTRAINT fk_rails_b4b53e07b8 FOREIGN KEY (application_id) REFERENCES public.oauth_applications(id) NOT VALID;
 
 
+--
+-- Name: event_organizers fk_rails_c1e082c91e; Type: FK CONSTRAINT; Schema: public; Owner: -
+--
+
+ALTER TABLE ONLY public.event_organizers
+    ADD CONSTRAINT fk_rails_c1e082c91e FOREIGN KEY (event_id) REFERENCES public.events(id);
+
+
 --
 -- Name: active_storage_attachments fk_rails_c3b3935057; Type: FK CONSTRAINT; Schema: public; Owner: -
 --
@@ -3764,6 +3841,7 @@ INSERT INTO "schema_migrations" (version) VALUES
 ('20220821143545'),
 ('20220925043305'),
 ('20221008144036'),
+('20221008224134'),
 ('21'),
 ('22'),
 ('23'),

test/controllers/events_controller_test.rb

@@ -207,6 +207,68 @@ def controller_mock.render(_partial)
     # assert_equal I18n.t("events.create.failure"), flash[:alert]
   end
 
+  def test_update_as_organizer
+    # arrange
+    cm = create(:community_member, :organizer)
+    session_for(cm.user)
+    e1 = create(:event, :community => cm.community) # original object
+    e2 = build(:event, :community => cm.community) # new data
+    # act
+    put event_url(e1), :params => { :event => e2.as_json }, :xhr => true
+    # assert
+    assert_redirected_to event_path(e1)
+    # TODO: Is it better to use t() to translate?
+    assert_equal "The event was successfully updated.", flash[:notice]
+    e1.reload
+    # Assign the id of e1 to e2, so we can do an equality test easily.
+    e2.id = e1.id
+    assert_equal(e2, e1)
+  end
+
+  def test_update_as_non_organizer
+    # arrange
+    cm = create(:community_member)
+    session_for(cm.user)
+    e1 = create(:event, :community => cm.community) # original object
+    e2 = build(:event, :community => cm.community) # new data
+    # act
+    put event_url(e1), :params => { :event => e2.as_json }, :xhr => true
+    # assert
+    assert_redirected_to :controller => :errors, :action => :forbidden
+  end
+
+  def test_update_put_failure
+    # arrange
+    cm = create(:community_member, :organizer)
+    session_for(cm.user)
+    ev = create(:event, :community => cm.community)
+    def ev.update(_params)
+      false
+    end
+
+    controller_mock = EventsController.new
+    def controller_mock.set_event
+      @event = Event.new
+    end
+
+    def controller_mock.render(_partial)
+      # Can't do assert_equal here.
+      # assert_equal :edit, partial
+    end
+
+    # act
+    EventsController.stub :new, controller_mock do
+      Event.stub :new, ev do
+        assert_difference "Event.count", 0 do
+          put event_url(ev), :params => { :event => ev.as_json }, :xhr => true
+        end
+      end
+    end
+
+    # assert
+    assert_equal I18n.t("events.update.failure"), flash[:alert]
+  end
+
   def test_in_past_warns
     # arrange
     cm = create(:community_member, :organizer)