model: add estimated_fill_duration to type_de_champ

app/models/types_de_champ/annuaire_education_type_de_champ.rb

@@ -1,2 +1,5 @@
 class TypesDeChamp::AnnuaireEducationTypeDeChamp < TypesDeChamp::TextTypeDeChamp
+  def estimated_fill_duration(revision)
+    FILL_DURATION_MEDIUM
+  end
 end

app/models/types_de_champ/carte_type_de_champ.rb

@@ -11,4 +11,8 @@ class TypesDeChamp::CarteTypeDeChamp < TypesDeChamp::TypeDeChampBase
     :znieff,
     :cadastres
   ]
+
+  def estimated_fill_duration(revision)
+    FILL_DURATION_LONG
+  end
 end

app/models/types_de_champ/cnaf_type_de_champ.rb

@@ -1,2 +1,5 @@
 class TypesDeChamp::CnafTypeDeChamp < TypesDeChamp::TextTypeDeChamp
+  def estimated_fill_duration(revision)
+    FILL_DURATION_MEDIUM
+  end
 end

app/models/types_de_champ/dgfip_type_de_champ.rb

@@ -1,2 +1,5 @@
 class TypesDeChamp::DgfipTypeDeChamp < TypesDeChamp::TextTypeDeChamp
+  def estimated_fill_duration(revision)
+    FILL_DURATION_MEDIUM
+  end
 end

app/models/types_de_champ/iban_type_de_champ.rb

@@ -1,2 +1,5 @@
 class TypesDeChamp::IbanTypeDeChamp < TypesDeChamp::TypeDeChampBase
+  def estimated_fill_duration(revision)
+    FILL_DURATION_MEDIUM
+  end
 end

app/models/types_de_champ/mesri_type_de_champ.rb

@@ -1,2 +1,5 @@
 class TypesDeChamp::MesriTypeDeChamp < TypesDeChamp::TextTypeDeChamp
+  def estimated_fill_duration(revision)
+    FILL_DURATION_MEDIUM
+  end
 end

app/models/types_de_champ/piece_justificative_type_de_champ.rb

@@ -1,2 +1,5 @@
 class TypesDeChamp::PieceJustificativeTypeDeChamp < TypesDeChamp::TypeDeChampBase
+  def estimated_fill_duration(revision)
+    FILL_DURATION_LONG
+  end
 end

app/models/types_de_champ/pole_emploi_type_de_champ.rb

@@ -1,2 +1,5 @@
 class TypesDeChamp::PoleEmploiTypeDeChamp < TypesDeChamp::TextTypeDeChamp
+  def estimated_fill_duration(revision)
+    FILL_DURATION_MEDIUM
+  end
 end

app/models/types_de_champ/repetition_type_de_champ.rb

@@ -6,6 +6,15 @@ class TypesDeChamp::RepetitionTypeDeChamp < TypesDeChamp::TypeDeChampBase
     champ
   end
 
+  def estimated_fill_duration(revision)
+    estimated_rows_in_repetition = 2.5
+    estimated_row_duration = @type_de_champ
+      .types_de_champ
+      .map { |child_tdc| child_tdc.estimated_fill_duration(revision) }
+      .sum
+    estimated_row_duration * estimated_rows_in_repetition
+  end
+
   # We have to truncate the label here as spreadsheets have a (30 char) limit on length.
   def libelle_for_export(index = 0)
     str = "(#{stable_id}) #{libelle}"

app/models/types_de_champ/siret_type_de_champ.rb

@@ -1,2 +1,5 @@
 class TypesDeChamp::SiretTypeDeChamp < TypesDeChamp::TypeDeChampBase
+  def estimated_fill_duration(revision)
+    FILL_DURATION_MEDIUM
+  end
 end

app/models/types_de_champ/textarea_type_de_champ.rb

@@ -1,2 +1,5 @@
 class TypesDeChamp::TextareaTypeDeChamp < TypesDeChamp::TextTypeDeChamp
+  def estimated_fill_duration(revision)
+    FILL_DURATION_MEDIUM
+  end
 end

app/models/types_de_champ/titre_identite_type_de_champ.rb

@@ -1,4 +1,8 @@
 class TypesDeChamp::TitreIdentiteTypeDeChamp < TypesDeChamp::TypeDeChampBase
   FRANCE_CONNECT = 'france_connect'
   PIECE_JUSTIFICATIVE = 'piece_justificative'
+
+  def estimated_fill_duration(revision)
+    FILL_DURATION_LONG
+  end
 end

app/models/types_de_champ/type_de_champ_base.rb

@@ -3,6 +3,10 @@ class TypesDeChamp::TypeDeChampBase
 
   delegate :description, :libelle, :stable_id, to: :@type_de_champ
 
+  FILL_DURATION_SHORT  = 10.seconds.in_seconds
+  FILL_DURATION_MEDIUM = 1.minute.in_seconds
+  FILL_DURATION_LONG   = 3.minutes.in_seconds
+
   def initialize(type_de_champ)
     @type_de_champ = type_de_champ
   end
@@ -25,6 +29,12 @@ class TypesDeChamp::TypeDeChampBase
     libelle
   end
 
+  # Default estimated duration to fill the champ in a form, in seconds.
+  # May be overridden by subclasses.
+  def estimated_fill_duration(revision)
+    FILL_DURATION_SHORT
+  end
+
   def build_champ(params)
     @type_de_champ.champ.build(params)
   end