Add breadcrumbs

app/models/person.rb

@@ -35,4 +35,16 @@ class Person < ApplicationRecord
   ###############
 
   validates :contacts_list, uniqueness: true
+
+  ###########
+  # Methods #
+  ###########
+
+  def full_name
+    [
+      last_name,
+      first_name,
+      middle_name,
+    ].map(&:presence).compact.join(' ').freeze
+  end
 end

app/views/federal_subjects/index.html.erb

@@ -1,4 +1,12 @@
 <div class="container">
+  <nav aria-label="breadcrumb">
+    <ol class="breadcrumb">
+      <li class="breadcrumb-item active" aria-current="page">
+        <%= FederalSubject.model_name.human count: 0 %>
+      </li>
+    </ol>
+  </nav>
+
   <table class="table">
     <thead>
       <tr>

app/views/federal_subjects/show.html.erb

@@ -1,4 +1,17 @@
 <div class="container">
+  <nav aria-label="breadcrumb">
+    <ol class="breadcrumb">
+      <li class="breadcrumb-item">
+        <%= link_to FederalSubject.model_name.human(count: 0),
+                    federal_subjects_path %>
+      </li>
+
+      <li class="breadcrumb-item active" aria-current="page">
+        <%= @federal_subject.display_name %>
+      </li>
+    </ol>
+  </nav>
+
   <h1><%= @federal_subject.native_name %></h1>
 
   <p class="h1">

app/views/staffs/home/show.html.erb

@@ -1,4 +1,12 @@
 <div class="container">
+  <nav aria-label="breadcrumb">
+    <ol class="breadcrumb">
+      <li class="breadcrumb-item active" aria-current="page">
+        <%= translate :staff_services %>
+      </li>
+    </ol>
+  </nav>
+
   <ul>
     <% if policy(%i[staff person]).index? %>
       <li>

app/views/staffs/people/index.html.erb

@@ -1,4 +1,16 @@
 <div class="container">
+  <nav aria-label="breadcrumb">
+    <ol class="breadcrumb">
+      <li class="breadcrumb-item">
+        <%= link_to translate(:staff_services), staff_root_path %>
+      </li>
+
+      <li class="breadcrumb-item active" aria-current="page">
+        <%= Person.model_name.human count: 0 %>
+      </li>
+    </ol>
+  </nav>
+
   <table class="table">
     <thead>
       <tr>

app/views/staffs/people/passports/index.html.erb

@@ -1,4 +1,20 @@
 <div class="container">
+  <nav aria-label="breadcrumb">
+    <ol class="breadcrumb">
+      <li class="breadcrumb-item">
+        <%= link_to translate(:staff_services), staff_root_path %>
+      </li>
+
+      <li class="breadcrumb-item">
+        <%= link_to Person.model_name.human(count: 0), staff_people_path %>
+      </li>
+
+      <li class="breadcrumb-item active" aria-current="page">
+        <%= @person.full_name %>
+      </li>
+    </ol>
+  </nav>
+
   <%= render partial: 'staffs/people/nav_tabs', locals: { person: @person,
                                                           tab: :passports } %>
 

app/views/staffs/people/person_comments/index.html.erb

@@ -1,4 +1,20 @@
 <div class="container">
+  <nav aria-label="breadcrumb">
+    <ol class="breadcrumb">
+      <li class="breadcrumb-item">
+        <%= link_to translate(:staff_services), staff_root_path %>
+      </li>
+
+      <li class="breadcrumb-item">
+        <%= link_to Person.model_name.human(count: 0), staff_people_path %>
+      </li>
+
+      <li class="breadcrumb-item active" aria-current="page">
+        <%= @person.full_name %>
+      </li>
+    </ol>
+  </nav>
+
   <%= render partial: 'staffs/people/nav_tabs',
              locals: { person: @person, tab: :person_comments } %>
 

app/views/staffs/people/show.html.erb

@@ -1,4 +1,20 @@
 <div class="container">
+  <nav aria-label="breadcrumb">
+    <ol class="breadcrumb">
+      <li class="breadcrumb-item">
+        <%= link_to translate(:staff_services), staff_root_path %>
+      </li>
+
+      <li class="breadcrumb-item">
+        <%= link_to Person.model_name.human(count: 0), staff_people_path %>
+      </li>
+
+      <li class="breadcrumb-item active" aria-current="page">
+        <%= @person.full_name %>
+      </li>
+    </ol>
+  </nav>
+
   <%= render partial: 'nav_tabs', locals: { person: @person, tab: :overview } %>
 
   <dl>

spec/models/person_spec.rb

@@ -113,4 +113,24 @@ RSpec.describe Person do
         .dependent(:restrict_with_exception)
     end
   end
+
+  describe '#full_name' do
+    specify do
+      expect(subject.full_name).to be_instance_of String
+    end
+
+    specify do
+      expect(subject.full_name).to be_frozen
+    end
+
+    specify do
+      expect(subject.full_name).to eq(
+        [
+          subject.last_name,
+          subject.first_name,
+          subject.middle_name,
+        ].compact.join(' '),
+      )
+    end
+  end
 end