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Import portability checks complete

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This commit is contained in:
cryptogopher
2024-11-16 02:31:53 +01:00
parent d9e74ed305
commit 41982e9dbc
3 changed files with 28 additions and 16 deletions
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34
app/models/unit.rb
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@@ -19,7 +19,7 @@ class Unit < ApplicationRecord
bases_units = arel_table.alias('bases_units')
other_units = arel_table.alias('other_units')
other_bases_units = arel_table.alias('other_bases_units')
parent_units = arel_table.alias('parent_units')
sub_units = arel_table.alias('sub_units')
Unit.with(units: self.with_defaults).left_joins(:base)
# Exclude Units that are/have default counterpart
@@ -32,20 +32,30 @@ class Unit < ApplicationRecord
.and(other_units[:symbol].eq(arel_table[:symbol]))
.and(other_units[:user_id].not_eq(arel_table[:user_id]))
).exists
# Decide if Unit can be im-/exported based on existing hierarchy
).joins(
arel_table.create_join(parent_units,
arel_table.create_on(
parent_units[:symbol].eq(bases_units[:symbol])
.and(parent_units[:user_id].not_eq(bases_units[:user_id]))
),
Arel::Nodes::OuterJoin)
# Decide if Unit can be im-/exported based on existing hierarchy:
# * same base unit symbol has to exist
# * unit with subunits can only be ported to root
).select(
arel_table[Arel.star],
Arel::Nodes::IsNotDistinctFrom.new(parent_units[:symbol], bases_units[:symbol])
.as('portable')
arel_table[:base_id].eq(nil).or(
(
Arel::SelectManager.new.project(1).from(other_units)
.join(sub_units).on(other_units[:id].eq(sub_units[:base_id]))
.where(
other_units[:symbol].eq(arel_table[:symbol])
.and(other_units[:user_id].not_eq(arel_table[:user_id]))
)
.exists.not
).and(
Arel::SelectManager.new.project(1).from(other_bases_units)
.where(
other_bases_units[:symbol].eq(bases_units[:symbol])
.and(other_bases_units[:user_id].not_eq(bases_units[:user_id]))
)
.exists
)
).as('portable')
)
# complete portability check with children
}
scope :ordered, ->{
left_outer_joins(:base)