feat(membership-fees): add database schema and Ash domain structure

This commit is contained in:
Moritz 2025-12-11 16:27:06 +01:00 committed by moritz
parent e563d12be3
commit 4d1b33357e
14 changed files with 1405 additions and 7 deletions

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defmodule Mv.Repo.Migrations.AddMembershipFeesTables do
@moduledoc """
Updates resources based on their most recent snapshots.
This file was autogenerated with `mix ash_postgres.generate_migrations`
"""
use Ecto.Migration
def up do
create table(:membership_fee_types, primary_key: false) do
add :id, :uuid, null: false, default: fragment("uuid_generate_v7()"), primary_key: true
add :name, :text, null: false
add :amount, :decimal, null: false
add :interval, :text, null: false
add :description, :text
end
create unique_index(:membership_fee_types, [:name],
name: "membership_fee_types_unique_name_index"
)
create table(:membership_fee_cycles, primary_key: false) do
add :id, :uuid, null: false, default: fragment("uuid_generate_v7()"), primary_key: true
add :cycle_start, :date, null: false
add :amount, :decimal, null: false
add :status, :text, null: false, default: "unpaid"
add :notes, :text
# CASCADE: Delete cycles when member is deleted
add :member_id,
references(:members,
column: :id,
name: "membership_fee_cycles_member_id_fkey",
type: :uuid,
prefix: "public",
on_delete: :delete_all
),
null: false
# RESTRICT: Cannot delete fee type if cycles reference it
add :membership_fee_type_id,
references(:membership_fee_types,
column: :id,
name: "membership_fee_cycles_membership_fee_type_id_fkey",
type: :uuid,
prefix: "public",
on_delete: :restrict
),
null: false
end
# Indexes as specified in architecture document
create index(:membership_fee_cycles, [:member_id])
create index(:membership_fee_cycles, [:membership_fee_type_id])
create index(:membership_fee_cycles, [:status])
create index(:membership_fee_cycles, [:cycle_start])
# Composite unique index: one cycle per member per cycle_start
create unique_index(:membership_fee_cycles, [:member_id, :cycle_start],
name: "membership_fee_cycles_unique_cycle_per_member_index"
)
# Extend members table with membership fee fields
alter table(:members) do
add :membership_fee_start_date, :date
# RESTRICT: Cannot delete fee type if members are assigned to it
add :membership_fee_type_id,
references(:membership_fee_types,
column: :id,
name: "members_membership_fee_type_id_fkey",
type: :uuid,
prefix: "public",
on_delete: :restrict
)
end
# Index for efficient lookup of members by fee type
create index(:members, [:membership_fee_type_id])
end
def down do
# First: Remove members extension (depends on membership_fee_types)
drop_if_exists index(:members, [:membership_fee_type_id])
drop constraint(:members, "members_membership_fee_type_id_fkey")
alter table(:members) do
remove :membership_fee_type_id
remove :membership_fee_start_date
end
# Second: Drop cycles table (depends on membership_fee_types)
drop_if_exists unique_index(:membership_fee_cycles, [:member_id, :cycle_start],
name: "membership_fee_cycles_unique_cycle_per_member_index"
)
drop_if_exists index(:membership_fee_cycles, [:cycle_start])
drop_if_exists index(:membership_fee_cycles, [:status])
drop_if_exists index(:membership_fee_cycles, [:membership_fee_type_id])
drop_if_exists index(:membership_fee_cycles, [:member_id])
drop constraint(:membership_fee_cycles, "membership_fee_cycles_member_id_fkey")
drop constraint(:membership_fee_cycles, "membership_fee_cycles_membership_fee_type_id_fkey")
drop table(:membership_fee_cycles)
# Third: Drop fee types table
drop_if_exists unique_index(:membership_fee_types, [:name],
name: "membership_fee_types_unique_name_index"
)
drop table(:membership_fee_types)
end
end

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{
"attributes": [
{
"allow_nil?": false,
"default": "fragment(\"uuid_generate_v7()\")",
"generated?": false,
"precision": null,
"primary_key?": true,
"references": null,
"scale": null,
"size": null,
"source": "id",
"type": "uuid"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"precision": null,
"primary_key?": false,
"references": null,
"scale": null,
"size": null,
"source": "cycle_start",
"type": "date"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"precision": null,
"primary_key?": false,
"references": null,
"scale": null,
"size": null,
"source": "amount",
"type": "decimal"
},
{
"allow_nil?": false,
"default": "\"unpaid\"",
"generated?": false,
"precision": null,
"primary_key?": false,
"references": null,
"scale": null,
"size": null,
"source": "status",
"type": "text"
},
{
"allow_nil?": true,
"default": "nil",
"generated?": false,
"precision": null,
"primary_key?": false,
"references": null,
"scale": null,
"size": null,
"source": "notes",
"type": "text"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"precision": null,
"primary_key?": false,
"references": {
"deferrable": false,
"destination_attribute": "id",
"destination_attribute_default": null,
"destination_attribute_generated": null,
"index?": false,
"match_type": null,
"match_with": null,
"multitenancy": {
"attribute": null,
"global": null,
"strategy": null
},
"name": "membership_fee_cycles_member_id_fkey",
"on_delete": null,
"on_update": null,
"primary_key?": true,
"schema": "public",
"table": "members"
},
"scale": null,
"size": null,
"source": "member_id",
"type": "uuid"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"precision": null,
"primary_key?": false,
"references": {
"deferrable": false,
"destination_attribute": "id",
"destination_attribute_default": null,
"destination_attribute_generated": null,
"index?": false,
"match_type": null,
"match_with": null,
"multitenancy": {
"attribute": null,
"global": null,
"strategy": null
},
"name": "membership_fee_cycles_membership_fee_type_id_fkey",
"on_delete": null,
"on_update": null,
"primary_key?": true,
"schema": "public",
"table": "membership_fee_types"
},
"scale": null,
"size": null,
"source": "membership_fee_type_id",
"type": "uuid"
}
],
"base_filter": null,
"check_constraints": [],
"custom_indexes": [],
"custom_statements": [],
"has_create_action": true,
"hash": "43EA9EA365C09D423249AC4B6757A9AC07788C6C1E4BC7C50F8EF2CE01DE5684",
"identities": [
{
"all_tenants?": false,
"base_filter": null,
"index_name": "membership_fee_cycles_unique_cycle_per_member_index",
"keys": [
{
"type": "atom",
"value": "member_id"
},
{
"type": "atom",
"value": "cycle_start"
}
],
"name": "unique_cycle_per_member",
"nils_distinct?": true,
"where": null
}
],
"multitenancy": {
"attribute": null,
"global": null,
"strategy": null
},
"repo": "Elixir.Mv.Repo",
"schema": null,
"table": "membership_fee_cycles"
}

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{
"attributes": [
{
"allow_nil?": false,
"default": "fragment(\"uuid_generate_v7()\")",
"generated?": false,
"precision": null,
"primary_key?": true,
"references": null,
"scale": null,
"size": null,
"source": "id",
"type": "uuid"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"precision": null,
"primary_key?": false,
"references": null,
"scale": null,
"size": null,
"source": "name",
"type": "text"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"precision": null,
"primary_key?": false,
"references": null,
"scale": null,
"size": null,
"source": "amount",
"type": "decimal"
},
{
"allow_nil?": false,
"default": "nil",
"generated?": false,
"precision": null,
"primary_key?": false,
"references": null,
"scale": null,
"size": null,
"source": "interval",
"type": "text"
},
{
"allow_nil?": true,
"default": "nil",
"generated?": false,
"precision": null,
"primary_key?": false,
"references": null,
"scale": null,
"size": null,
"source": "description",
"type": "text"
}
],
"base_filter": null,
"check_constraints": [],
"custom_indexes": [],
"custom_statements": [],
"has_create_action": true,
"hash": "E93A7A1EE90E5CEAC98CEA57C99C6330465716248642D5E2949EF578DE514E99",
"identities": [
{
"all_tenants?": false,
"base_filter": null,
"index_name": "membership_fee_types_unique_name_index",
"keys": [
{
"type": "atom",
"value": "name"
}
],
"name": "unique_name",
"nils_distinct?": true,
"where": null
}
],
"multitenancy": {
"attribute": null,
"global": null,
"strategy": null
},
"repo": "Elixir.Mv.Repo",
"schema": null,
"table": "membership_fee_types"
}