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Add Interactors::ChangeEventCourse and spec; update Interactors::Chan…
…geEffortEvent to use standard responses for errors.
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Original file line number | Diff line number | Diff line change |
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module Interactors | ||
class ChangeEventCourse | ||
include Interactors::Errors | ||
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def self.perform!(args) | ||
new(args).perform! | ||
end | ||
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def initialize(args) | ||
ArgsValidator.validate(params: args, required: [:event, :new_course], exclusive: [:event, :new_course], class: self.class) | ||
@event = args[:event] | ||
@new_course = args[:new_course] | ||
@old_course ||= event.course | ||
@split_times ||= event.split_times | ||
@errors = [] | ||
verify_compatibility | ||
end | ||
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def perform! | ||
unless errors.present? | ||
event.course = new_course | ||
event.splits = new_course.splits | ||
split_times.each { |st| st.split = splits_by_distance[st.distance_from_start] } | ||
save_changes | ||
end | ||
Interactors::Response.new(errors, response_message) | ||
end | ||
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private | ||
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attr_reader :event, :new_course, :split_times, :errors | ||
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def save_changes | ||
ActiveRecord::Base.transaction do | ||
event.save(validate: false) if event.changed? | ||
split_times.each { |st| save_split_time(st) } | ||
errors << resource_error_object(event) unless event.valid? | ||
raise ActiveRecord::Rollback if errors.present? | ||
end | ||
end | ||
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def save_split_time(st) | ||
if st.changed? | ||
errors << resource_error_object(split_time) unless st.save | ||
end | ||
end | ||
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def distances | ||
@distances ||= splits_by_distance.keys.to_set | ||
end | ||
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def splits_by_distance | ||
@splits_by_distance ||= new_course.splits.index_by(&:distance_from_start) | ||
end | ||
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def response_message | ||
errors.present? ? "#{event.name} could not be changed to #{new_course.name}. " : "#{event.name} was changed to #{new_course.name}. " | ||
end | ||
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def verify_compatibility | ||
errors << distance_mismatch_error(event, new_course) and return unless split_times.all? { |st| distances.include?(st.distance_from_start) } | ||
errors << sub_split_mismatch_error(event, new_course) unless split_times.all? { |st| splits_by_distance[st.distance_from_start].sub_split_bitkeys.include?(st.bitkey) } | ||
end | ||
end | ||
end |
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require 'rails_helper' | ||
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RSpec.describe Interactors::ChangeEventCourse do | ||
subject { Interactors::ChangeEventCourse.new(event: event, new_course: new_course) } | ||
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describe '#initialization' do | ||
let(:event) { build_stubbed(:event) } | ||
let(:new_course) { build_stubbed(:course) } | ||
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it 'initializes when provided with an event and a new course_id' do | ||
expect { subject }.not_to raise_error | ||
end | ||
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context 'if no event is provided' do | ||
let(:event) { nil } | ||
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it 'raises an error' do | ||
expect { subject }.to raise_error(/must include event/) | ||
end | ||
end | ||
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context 'if no new_course is provided' do | ||
let(:new_course) { nil } | ||
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it 'raises an error' do | ||
expect { subject }.to raise_error(/must include new_course/) | ||
end | ||
end | ||
end | ||
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describe '#perform!' do | ||
let(:event) { create(:event, course: old_course) } | ||
let!(:old_course) { create(:course, splits: old_splits) } | ||
let(:old_split_1) { create(:start_split) } | ||
let(:old_split_2) { create(:split, distance_from_start: 10000) } | ||
let(:old_split_3) { create(:split, distance_from_start: 20000) } | ||
let(:old_splits) { [old_split_1, old_split_2, old_split_3] } | ||
let!(:efforts) { create_list(:effort, 2, event: event) } | ||
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context 'when the new course has splits with the same distances as the old' do | ||
let(:new_course) { create(:course, splits: new_splits) } | ||
let(:new_split_1) { create(:start_split) } | ||
let(:new_split_2) { create(:split, distance_from_start: old_course.ordered_splits.second.distance_from_start) } | ||
let(:new_split_3) { create(:split, distance_from_start: old_course.ordered_splits.third.distance_from_start) } | ||
let(:new_split_4) { create(:split, distance_from_start: new_split_3.distance_from_start + 10000) } | ||
let(:new_splits) { [new_split_1, new_split_2, new_split_3, new_split_4] } | ||
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before do | ||
FactoryBot.reload | ||
old_course.reload | ||
new_course.reload | ||
event.splits << old_course.splits | ||
create_split_times_for_event | ||
end | ||
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it 'updates the event course_id to the id of the provided course' do | ||
expect(event.course_id).not_to eq(new_course.id) | ||
response = subject.perform! | ||
expect(event.course_id).to eq(new_course.id) | ||
expect(response).to be_successful | ||
expect(response.message).to match(/was changed to/) | ||
end | ||
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it 'changes the split_ids of event split_times to the corresponding split_ids of the new course' do | ||
sub_splits = new_course.sub_splits.first(efforts.first.split_times.size) | ||
efforts.each do |effort| | ||
effort.reload | ||
expect(effort.split_times.map(&:sub_split)).not_to match_array(sub_splits) | ||
end | ||
subject.perform! | ||
efforts.each do |effort| | ||
effort.reload | ||
expect(effort.split_times.map(&:sub_split)).to match_array(sub_splits) | ||
end | ||
end | ||
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it 'returns an unsuccessful response with errors if distances do not coincide' do | ||
split = new_course.ordered_splits.second | ||
split.update(distance_from_start: split.distance_from_start - 1) | ||
new_course.reload | ||
response = subject.perform! | ||
expect(response).not_to be_successful | ||
expect(response.errors.first[:detail][:messages]).to include(/distances do not coincide/) | ||
end | ||
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it 'raises an error if sub_splits do not coincide' do | ||
split = new_course.ordered_splits.second | ||
split.update(sub_split_bitmap: 1) | ||
new_course.reload | ||
response = subject.perform! | ||
expect(response).not_to be_successful | ||
expect(response.errors.first[:detail][:messages]).to include(/sub splits do not coincide/) | ||
end | ||
end | ||
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def create_split_times_for_event | ||
time_points = event.required_time_points | ||
efforts.each do |effort| | ||
time_points.each_with_index do |time_point, i| | ||
create(:split_time, time_point: time_point, effort: effort, time_from_start: i * 1000) | ||
end | ||
end | ||
end | ||
end | ||
end |