feat: remove birth_date field from Member resource

Users who need birthday data can use custom fields instead.
Closes #161

docs/database-schema-readme.md

@@ -115,7 +115,6 @@ Member (1) → (N) Properties
 ### Member Constraints
 - First name and last name required (min 1 char)
 - Email unique, validated format (5-254 chars)
-- Birth date cannot be in future
 - Join date cannot be in future
 - Exit date must be after join date
 - Phone: `+?[0-9\- ]{6,20}`
@@ -169,7 +168,7 @@ Member (1) → (N) Properties
 ### Weighted Fields
 - **Weight A (highest):** first_name, last_name
 - **Weight B:** email, notes
-- **Weight C:** birth_date, phone_number, city, street, house_number, postal_code
+- **Weight C:** phone_number, city, street, house_number, postal_code
 - **Weight D (lowest):** join_date, exit_date
 
 ### Usage Example
@@ -381,7 +380,7 @@ Install "DBML Language" extension to view/edit DBML files with:
 - tokens (jti, purpose, extra_data)
 
 **Personal Data (GDPR):**
-- All member fields (name, email, birth_date, address)
+- All member fields (name, email, address)
 - User email
 - Token subject
 

docs/database_schema.dbml

@@ -122,7 +122,6 @@ Table members {
   first_name text [not null, note: 'Member first name (min length: 1)']
   last_name text [not null, note: 'Member last name (min length: 1)']
   email text [not null, unique, note: 'Member email address (5-254 chars, validated)']
-  birth_date date [null, note: 'Date of birth (cannot be in future)']
   paid boolean [null, note: 'Payment status flag']
   phone_number text [null, note: 'Contact phone number (format: +?[0-9\- ]{6,20})']
   join_date date [null, note: 'Date when member joined club (cannot be in future)']
@@ -153,7 +152,7 @@ Table members {
     **Club Member Master Data**
     
     Core entity for membership management containing:
-    - Personal information (name, birth date, email)
+    - Personal information (name, email)
     - Contact details (phone, address)
     - Membership status (join/exit dates, payment status)
     - Additional notes
@@ -183,7 +182,6 @@ Table members {
     **Validation Rules:**
     - first_name, last_name: min 1 character
     - email: 5-254 characters, valid email format
-    - birth_date: cannot be in future
     - join_date: cannot be in future
     - exit_date: must be after join_date (if both present)
     - phone_number: matches pattern ^\+?[0-9\- ]{6,20}$

docs/feature-roadmap.md

@@ -100,10 +100,10 @@
 **Closed Issues:**
 - [#194](https://git.local-it.org/local-it/mitgliederverwaltung/issues/194) - Custom Fields: Harden implementation (S)
 - [#197](https://git.local-it.org/local-it/mitgliederverwaltung/issues/197) - Custom Fields: Add option to show custom fields in member overview (M)
+- [#161](https://git.local-it.org/local-it/mitgliederverwaltung/issues/161) - Remove birthday field from default configuration (S) - Closed 2025-12-02
 
 **Open Issues:**
 - [#157](https://git.local-it.org/local-it/mitgliederverwaltung/issues/157) - Concept how custom fields are handled (M, High priority) [0/4 tasks]
-- [#161](https://git.local-it.org/local-it/mitgliederverwaltung/issues/161) - Don't show birthday field for default configurations (S, Low priority)
 - [#153](https://git.local-it.org/local-it/mitgliederverwaltung/issues/153) - Sorting functionalities for custom fields (M, Low priority)
 
 **Missing Features:**

lib/membership/member.ex

@@ -24,7 +24,7 @@ defmodule Mv.Membership.Member do
   - Email format validation (using EctoCommons.EmailValidator)
   - Phone number format: international format with 6-20 digits
   - Postal code format: exactly 5 digits (German format)
-  - Date validations: birth_date and join_date not in future, exit_date after join_date
+  - Date validations: join_date not in future, exit_date after join_date
   - Email uniqueness: prevents conflicts with unlinked users
 
   ## Full-Text Search
@@ -284,11 +284,6 @@ defmodule Mv.Membership.Member do
       end
     end
 
-    # Birth date not in the future
-    validate compare(:birth_date, less_than_or_equal_to: &Date.utc_today/0),
-      where: [present(:birth_date)],
-      message: "cannot be in the future"
-
     # Join date not in the future
     validate compare(:join_date, less_than_or_equal_to: &Date.utc_today/0),
       where: [present(:join_date)],
@@ -351,10 +346,6 @@ defmodule Mv.Membership.Member do
       constraints min_length: 5, max_length: 254
     end
 
-    attribute :birth_date, :date do
-      allow_nil? true
-    end
-
     attribute :paid, :boolean do
       allow_nil? true
     end

lib/mv/constants.ex

@@ -7,7 +7,6 @@ defmodule Mv.Constants do
     :first_name,
     :last_name,
     :email,
-    :birth_date,
     :paid,
     :phone_number,
     :join_date,

lib/mv_web/live/member_live/form.ex

@@ -14,7 +14,7 @@ defmodule MvWeb.MemberLive.Form do
   - first_name, last_name, email
 
   **Optional:**
-  - birth_date, phone_number, address fields (city, street, house_number, postal_code)
+  - phone_number, address fields (city, street, house_number, postal_code)
   - join_date, exit_date
   - paid status
   - notes
@@ -45,7 +45,6 @@ defmodule MvWeb.MemberLive.Form do
         <.input field={@form[:first_name]} label={gettext("First Name")} required />
         <.input field={@form[:last_name]} label={gettext("Last Name")} required />
         <.input field={@form[:email]} label={gettext("Email")} required type="email" />
-        <.input field={@form[:birth_date]} label={gettext("Birth Date")} type="date" />
         <.input field={@form[:paid]} label={gettext("Paid")} type="checkbox" />
         <.input field={@form[:phone_number]} label={gettext("Phone Number")} />
         <.input field={@form[:join_date]} label={gettext("Join Date")} type="date" />

lib/mv_web/live/member_live/show.ex

@@ -10,7 +10,7 @@ defmodule MvWeb.MemberLive.Show do
   - Return to member list
 
   ## Displayed Information
-  - Basic: name, email, dates (birth, join, exit)
+  - Basic: name, email, dates (join, exit)
   - Contact: phone number
   - Address: street, house number, postal code, city
   - Status: paid flag
@@ -48,7 +48,6 @@ defmodule MvWeb.MemberLive.Show do
         <:item title={gettext("First Name")}>{@member.first_name}</:item>
         <:item title={gettext("Last Name")}>{@member.last_name}</:item>
         <:item title={gettext("Email")}>{@member.email}</:item>
-        <:item title={gettext("Birth Date")}>{@member.birth_date}</:item>
         <:item title={gettext("Paid")}>
           {if @member.paid, do: gettext("Yes"), else: gettext("No")}
         </:item>

priv/repo/migrations/20251202145404_remove_birth_date_from_members.exs

@@ -0,0 +1,69 @@
+defmodule Mv.Repo.Migrations.RemoveBirthDateFromMembers do
+  @moduledoc """
+  Removes the birth_date column from the members table.
+
+  The birth_date field has been removed from the application because most users
+  don't record birthday data. Users who need this can use a custom field instead.
+
+  This migration also updates the search_vector trigger to remove birth_date.
+  """
+
+  use Ecto.Migration
+
+  def up do
+    # Update the trigger function to remove birth_date from search_vector
+    execute("""
+    CREATE OR REPLACE FUNCTION members_search_vector_trigger() RETURNS trigger AS $$
+    BEGIN
+      NEW.search_vector :=
+        setweight(to_tsvector('simple', coalesce(NEW.first_name, '')), 'A') ||
+        setweight(to_tsvector('simple', coalesce(NEW.last_name, '')), 'A') ||
+        setweight(to_tsvector('simple', coalesce(NEW.email, '')), 'B') ||
+        setweight(to_tsvector('simple', coalesce(NEW.phone_number, '')), 'C') ||
+        setweight(to_tsvector('simple', coalesce(NEW.join_date::text, '')), 'D') ||
+        setweight(to_tsvector('simple', coalesce(NEW.exit_date::text, '')), 'D') ||
+        setweight(to_tsvector('simple', coalesce(NEW.notes, '')), 'B') ||
+        setweight(to_tsvector('simple', coalesce(NEW.city, '')), 'C') ||
+        setweight(to_tsvector('simple', coalesce(NEW.street, '')), 'C') ||
+        setweight(to_tsvector('simple', coalesce(NEW.house_number::text, '')), 'C') ||
+        setweight(to_tsvector('simple', coalesce(NEW.postal_code::text, '')), 'C');
+      RETURN NEW;
+    END
+    $$ LANGUAGE plpgsql;
+    """)
+
+    # Remove the birth_date column
+    alter table(:members) do
+      remove :birth_date
+    end
+  end
+
+  def down do
+    # Add the birth_date column back
+    alter table(:members) do
+      add :birth_date, :date
+    end
+
+    # Restore the trigger function with birth_date
+    execute("""
+    CREATE OR REPLACE FUNCTION members_search_vector_trigger() RETURNS trigger AS $$
+    BEGIN
+      NEW.search_vector :=
+        setweight(to_tsvector('simple', coalesce(NEW.first_name, '')), 'A') ||
+        setweight(to_tsvector('simple', coalesce(NEW.last_name, '')), 'A') ||
+        setweight(to_tsvector('simple', coalesce(NEW.email, '')), 'B') ||
+        setweight(to_tsvector('simple', coalesce(NEW.birth_date::text, '')), 'C') ||
+        setweight(to_tsvector('simple', coalesce(NEW.phone_number, '')), 'C') ||
+        setweight(to_tsvector('simple', coalesce(NEW.join_date::text, '')), 'D') ||
+        setweight(to_tsvector('simple', coalesce(NEW.exit_date::text, '')), 'D') ||
+        setweight(to_tsvector('simple', coalesce(NEW.notes, '')), 'B') ||
+        setweight(to_tsvector('simple', coalesce(NEW.city, '')), 'C') ||
+        setweight(to_tsvector('simple', coalesce(NEW.street, '')), 'C') ||
+        setweight(to_tsvector('simple', coalesce(NEW.house_number::text, '')), 'C') ||
+        setweight(to_tsvector('simple', coalesce(NEW.postal_code::text, '')), 'C');
+      RETURN NEW;
+    END
+    $$ LANGUAGE plpgsql;
+    """)
+  end
+end

priv/repo/seeds.exs

@@ -112,7 +112,6 @@ for member_attrs <- [
         first_name: "Hans",
         last_name: "Müller",
         email: "hans.mueller@example.de",
-        birth_date: ~D[1985-06-15],
         join_date: ~D[2023-01-15],
         paid: true,
         phone_number: "+49301234567",
@@ -125,7 +124,6 @@ for member_attrs <- [
         first_name: "Greta",
         last_name: "Schmidt",
         email: "greta.schmidt@example.de",
-        birth_date: ~D[1990-03-22],
         join_date: ~D[2023-02-01],
         paid: false,
         phone_number: "+49309876543",
@@ -139,7 +137,6 @@ for member_attrs <- [
         first_name: "Friedrich",
         last_name: "Wagner",
         email: "friedrich.wagner@example.de",
-        birth_date: ~D[1978-11-08],
         join_date: ~D[2022-11-10],
         paid: true,
         phone_number: "+49301122334",
@@ -151,7 +148,6 @@ for member_attrs <- [
         first_name: "Marianne",
         last_name: "Wagner",
         email: "marianne.wagner@example.de",
-        birth_date: ~D[1978-11-08],
         join_date: ~D[2022-11-10],
         paid: true,
         phone_number: "+49301122334",
@@ -186,7 +182,6 @@ linked_members = [
     first_name: "Maria",
     last_name: "Weber",
     email: "maria.weber@example.de",
-    birth_date: ~D[1992-07-14],
     join_date: ~D[2023-03-15],
     paid: true,
     phone_number: "+49301357924",
@@ -202,7 +197,6 @@ linked_members = [
     first_name: "Thomas",
     last_name: "Klein",
     email: "thomas.klein@example.de",
-    birth_date: ~D[1988-12-03],
     join_date: ~D[2023-04-01],
     paid: false,
     phone_number: "+49302468135",

test/membership/member_test.exs

@@ -6,7 +6,6 @@ defmodule Mv.Membership.MemberTest do
     @valid_attrs %{
       first_name: "John",
       last_name: "Doe",
-      birth_date: ~D[1990-01-01],
       paid: true,
       email: "john@example.com",
       phone_number: "+49123456789",
@@ -43,12 +42,6 @@ defmodule Mv.Membership.MemberTest do
       assert error_message(errors, :email) =~ "is not a valid email"
     end
 
-    test "Birth date is optional but must not be in the future" do
-      attrs = Map.put(@valid_attrs, :birth_date, Date.utc_today() |> Date.add(1))
-      assert {:error, %Ash.Error.Invalid{errors: errors}} = Membership.create_member(attrs)
-      assert error_message(errors, :birth_date) =~ "cannot be in the future"
-    end
-
     test "Paid is optional but must be boolean if specified" do
       attrs = Map.put(@valid_attrs, :paid, nil)
       attrs2 = Map.put(@valid_attrs, :paid, "yes")