EN-7825 add variables to user_message_broadcasts, welcome chat_message

app/helpers/users_helper.rb

@@ -1,8 +1,4 @@
 module UsersHelper
-  def day_name(day_number)
-    I18n.t("date.day_names")[day_number.to_i % 7]
-  end
-
   def users_for_select users
     users.map do |user|
       ["#{user.full_name} (#{user.email})", user.id]

app/models/chat_message.rb

@@ -83,6 +83,24 @@ def path key
     end
   end
 
+  class << self
+    def interpolate message:, user:, author: nil
+      first_name = UserPresenter.format_first_name(user.first_name)
+
+      message
+        .gsub(/\{\{\s*first_name\s*\}\}/, first_name.to_s)
+        .gsub(/\{\{\s*email\s*\}\}/, user.email.to_s)
+        .gsub(/\{\{\s*phone\s*\}\}/, user.phone.to_s)
+        .gsub(/\{\{\s*city\s*\}\}/, user.city.to_s)
+        .gsub(/\{\{\s*uuid\s*\}\}/, user.uuid.to_s)
+        .gsub(/\{\{\s*default_neighborhood\s*\}\}/, user.default_neighborhood&.name.to_s)
+        .gsub(/\{\{\s*interests\s*\}\}/, user.interest_i18n.join(', '))
+        .gsub(/\{\{\s*involvements\s*\}\}/, user.involvement_i18n.join(', '))
+        .gsub(/\{\{\s*availability\s*\}\}/, user.availability_formatted.to_s)
+        .gsub(/\{\{\s*interlocutor\s*\}\}/, author&.first_name.to_s)
+    end
+  end
+
   def active?
     status.to_sym == :active
   end

app/models/concerns/availabilable.rb

@@ -40,4 +40,13 @@ def validate_availability_format
     end
   end
 
+  def availability_formatted
+    availability.map do |day_number, hours|
+      "#{Availabilable.day_name(day_number)} : #{hours.join(', ')}"
+    end.join("\n")
+  end
+
+  def self.day_name day_number
+    I18n.t("date.day_names")[day_number.to_i % 7]
+  end
 end

app/models/conversation_message_broadcast.rb

@@ -17,12 +17,7 @@ def find_with_cast id
   end
 
   def content_for_user user
-    content
-      .gsub("{{first_name}}", user.first_name.to_s)
-      .gsub("{{email}}", user.email.to_s)
-      .gsub("{{phone}}", user.phone.to_s)
-      .gsub("{{city}}", user.city.to_s)
-      .gsub("{{uuid}}", user.uuid.to_s)
+    ChatMessage.interpolate(message: content, user: user)
   end
 
   def recipients

app/services/onboarding/chat_messages_service.rb

@@ -38,11 +38,8 @@ def self.deliver_welcome_message
 
           next if messages.empty?
 
-          first_name = UserPresenter.format_first_name user.first_name
-
           messages.each do |message|
-            message = message.gsub(/\{\{\s*first_name\s*\}\}/, first_name)
-            message = message.gsub(/\{\{\s*interlocutor\s*\}\}/, author.first_name) if author.present?
+            message = ChatMessage.interpolate(message: message, user: user, author: author)
 
             builder = ChatServices::ChatMessageBuilder.new(
               user: author,

app/views/admin/moderation_areas/_form.html.erb

@@ -65,7 +65,7 @@
             pour le profil <%= t 'community.entourage.goals_compact.offer_help' %>
           <% end %>
           <%= f.text_area :welcome_message_1_offer_help, rows: 10, class: "form-control" %>
-          Utilisez <code>{{first_name}}</code> pour insérer le prénom du destinataire.
+          <%= render partial: 'common/interpolation_specifications' %>
         </div>
       </div>
 
@@ -76,7 +76,7 @@
             si <%= t 'community.entourage.goals_compact.ask_for_help' %>
           <% end %>
           <%= f.text_area :welcome_message_1_ask_for_help, rows: 10, class: "form-control" %>
-          Utilisez <code>{{first_name}}</code> pour insérer le prénom du destinataire.
+          <%= render partial: 'common/interpolation_specifications' %>
         </div>
       </div>
 
@@ -87,7 +87,7 @@
             pour le profil <%= t 'community.entourage.goals_compact.organization' %>
           <% end %>
           <%= f.text_area :welcome_message_1_organization, rows: 10, class: "form-control" %>
-          Utilisez <code>{{first_name}}</code> pour insérer le prénom du destinataire.
+          <%= render partial: 'common/interpolation_specifications' %>
         </div>
       </div>
 
@@ -98,7 +98,7 @@
             pour le profil <%= t 'community.entourage.goals_compact.goal_not_known' %>
           <% end %>
           <%= f.text_area :welcome_message_1_goal_not_known, rows: 10, class: "form-control" %>
-          Utilisez <code>{{first_name}}</code> pour insérer le prénom du destinataire.
+          <%= render partial: 'common/interpolation_specifications' %>
         </div>
       </div>
     </div>

app/views/admin/user_message_broadcasts/_form.html.erb

@@ -137,8 +137,8 @@
 
   <div class="form-group">
     <%= f.label :content %>
-    <p>Vous pouvez utiliser les variables : {{first_name}}, {{email}}, {{phone}}, {{city}}, {{uuid}}</p>
     <%= f.text_area :content, class: "form-control", rows: 5, required: true %>
+    <p><%= render partial: 'common/interpolation_specifications' %></p>
   </div>
 
   <% if @user_message_broadcast.draft? %>

app/views/admin/users/_onboarding_fields.html.erb

@@ -5,7 +5,7 @@
     <ul>
       <% @user.availability.each do |day, slots| %>
         <li>
-          <strong><%= day_name(day) %>:</strong>
+          <strong><%= Availabilable.day_name(day) %>:</strong>
           <%= slots.join(', ') %>
         </li>
       <% end %>

app/views/common/_interpolation_specifications.html.erb

@@ -0,0 +1,13 @@
+Les variables suivantes sont disponibles :
+<ul>
+  <li><code>{{first_name}}</code> : <i>prénom du destinataire</i></li>
+  <li><code>{{email}}</code> : <i>email du destinataire</i></li>
+  <li><code>{{phone}}</code> téléphone du destinataire</li>
+  <li><code>{{city}}</code> : <i>ville du destinataire</i></li>
+  <li><code>{{uuid}}</code> : <i>uuid du destinataire</i></li>
+  <li><code>{{default_neighborhood}}</code> : <i>nom du groupe de voisins par défaut du destinataire</i></li>
+  <li><code>{{interests}}</code> : <i>centres d'intérêt du destinataire</i></li>
+  <li><code>{{involvements}}</code> : <i>envies d'agir du destinataire</i></li>
+  <li><code>{{availability}}</code> : <i>disponibilités du destinataire</i></li>
+  <li><code>{{interlocutor}}</code> : <i>prénom du <b>modérateur</b> lié au destinataire</i></li>
+</ul>

spec/models/chat_message_spec.rb

@@ -20,6 +20,105 @@
     end
   end
 
+  describe '.interpolate' do
+    let(:user) { create(:public_user,
+      first_name: 'John',
+      email: 'john.doe@example.com',
+      phone: '+33612345678',
+      uuid: '123e4567-e89b-12d3-a456-426614174000',
+      interest_list: 'jeux, cuisine',
+      involvement_list: 'outings, resources',
+      availability: {
+        "1" => ["09:00-12:00", "14:00-18:00"],
+        "2" => ["10:00-12:00"]
+      },
+      address: address,
+      addresses: [address]
+    )}
+
+    let(:other_user) { create(:public_user) }
+    let(:author) { create(:public_user, first_name: 'Alice') }
+
+    let(:neighborhood) { create(:neighborhood, name: "Groupe de Paris") }
+    let(:address) { create :address, city: "Paris" }
+
+    before do
+      allow(user).to receive(:default_neighborhood).and_return(neighborhood)
+      allow(UserPresenter).to receive(:format_first_name).with('John').and_return('John')
+    end
+
+    it 'replaces placeholders in the message' do
+      message = <<~TEXT
+        Hello {{ first_name }},
+        Your email is {{ email }}, and your phone number is {{ phone }}.
+        You live in {{ city }} and your ID is {{ uuid }}.
+        Default neighborhood: {{ default_neighborhood }}.
+        Your interests: {{ interests }}.
+        Your involvements: {{ involvements }}.
+        Availability: {{ availability }}.
+        Interlocutor: {{ interlocutor }}.
+      TEXT
+
+      expected_message = <<~TEXT
+        Hello John,
+        Your email is john.doe@example.com, and your phone number is +33612345678.
+        You live in Paris and your ID is 123e4567-e89b-12d3-a456-426614174000.
+        Default neighborhood: Groupe de Paris.
+        Your interests: Jeux, Cuisine.
+        Your involvements: Participer à des événements de convivialité, Apprendre avec des contenus pédagogiques.
+        Availability: lundi : 09:00-12:00, 14:00-18:00
+        mardi : 10:00-12:00.
+        Interlocutor: Alice.
+      TEXT
+
+      result = ChatMessage.interpolate(message: message, user: user, author: author)
+      expect(result.strip).to eq(expected_message.strip)
+    end
+
+    it 'replaces placeholders in the message when user has little information' do
+      message = <<~TEXT
+        Hello {{ first_name }},
+        Your email is {{ email }}, and your phone number is {{ phone }}.
+        You live in {{ city }} and your ID is {{ uuid }}.
+        Default neighborhood: {{ default_neighborhood }}.
+        Your interests: {{ interests }}.
+        Your involvements: {{ involvements }}.
+        Availability: {{ availability }}.
+        Interlocutor: {{ interlocutor }}.
+      TEXT
+
+      expected_message = <<~TEXT
+        Hello John,
+        Your email is #{other_user.email}, and your phone number is #{other_user.phone}.
+        You live in  and your ID is #{other_user.uuid}.
+        Default neighborhood: .
+        Your interests: .
+        Your involvements: .
+        Availability: .
+        Interlocutor: Alice.
+      TEXT
+
+      result = ChatMessage.interpolate(message: message, user: other_user, author: author)
+      expect(result.strip).to eq(expected_message.strip)
+    end
+
+    it 'handles missing placeholders gracefully when author is nil' do
+      message = "Hello {{ first_name }}, your interlocutor is {{ interlocutor }}."
+      expected_message = "Hello John, your interlocutor is ."
+
+      result = ChatMessage.interpolate(message: message, user: user, author: nil)
+      expect(result).to eq(expected_message)
+    end
+
+    it 'handles missing placeholders in the message' do
+      message = "This message has no placeholders."
+      expected_message = "This message has no placeholders."
+
+      result = ChatMessage.interpolate(message: message, user: user)
+      expect(result).to eq(expected_message)
+    end
+  end
+
   describe "custom type" do
     let(:entourage) { create :entourage }
     let!(:group) { create :entourage, uuid_v2: "uuid-123" }