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Refactor grouped_bar_column_presenter so it calculates the score from

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the measure given to the initializer
pull/1/head
Nelson Jovel 4 years ago
parent 8efaf8514d
commit 30c97f4428
6 changed files with 107 additions and 79 deletions
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2
app/models/scale.rb
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@ -38,7 +38,7 @@ class Scale < ApplicationRecord
def student_survey_items(school:, academic_year:)
survey = Survey.where(school:, academic_year:).first
return survey_items.student_survey_items.short_form_items if survey.form == 'short'
return survey_items.student_survey_items.short_form_items if survey.present? && survey.form == 'short'
survey_items.student_survey_items
end

17
app/presenters/grouped_bar_column_presenter.rb
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@ -1,18 +1,21 @@
class GroupedBarColumnPresenter
include AnalyzeHelper
attr_reader :score, :measure_name, :measure_id, :category, :position
attr_reader :score, :measure_name, :measure_id, :category, :position, :measure, :school, :academic_year
def initialize(measure:, score:, position:)
def initialize(measure:, school:, academic_year:, position:)
@measure = measure
@score = score
@meets_teacher_threshold = score.meets_teacher_threshold?
@meets_student_threshold = score.meets_student_threshold?
@measure_name = @measure.name
@measure_id = @measure.measure_id
@category = @measure.subcategory.category
@school = school
@academic_year = academic_year
@position = position
end
def score
measure.score(school:, academic_year:)
end
def y_offset
case zone.type
when :ideal, :approval
@ -44,7 +47,7 @@ class GroupedBarColumnPresenter
end
def percentage
(@score.average - zone.low_benchmark) / (zone.high_benchmark - zone.low_benchmark)
(score.average - zone.low_benchmark) / (zone.high_benchmark - zone.low_benchmark)
end
def zone
@ -54,7 +57,7 @@ class GroupedBarColumnPresenter
approval_low_benchmark: @measure.approval_low_benchmark,
ideal_low_benchmark: @measure.ideal_low_benchmark
)
zones.zone_for_score(@score.average)
zones.zone_for_score(score.average)
end
def label

6
app/presenters/student_grouped_bar_column_presenter.rb
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@ -15,7 +15,7 @@ class StudentGroupedBarColumnPresenter < GroupedBarColumnPresenter
!score.meets_student_threshold?
end
# def score
# @measure.student_score(school: @school, academic_year: @academic_year)
# end
def score
measure.student_score(school:, academic_year:)
end
end

6
app/presenters/teacher_grouped_bar_column_presenter.rb
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@ -15,7 +15,7 @@ class TeacherGroupedBarColumnPresenter < GroupedBarColumnPresenter
!score.meets_teacher_threshold?
end
# def score
# @measure.teacher_score(school: @school, academic_year: @academic_year)
# end
def score
measure.teacher_score(school:, academic_year:)
end
end

6
app/views/analyze/_grouped_bar_chart.html.erb
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@ -31,11 +31,11 @@
</g>
</g>
<% presenter = StudentGroupedBarColumnPresenter.new(measure: measure, score: measure.student_score(school: @school, academic_year: @academic_year), position: 1) %>
<% presenter = StudentGroupedBarColumnPresenter.new(measure: measure, school: @school, academic_year: @academic_year, position: 1) %>
<%= render partial: "grouped_bar_column", locals: {presenter: presenter} %>
<% presenter = TeacherGroupedBarColumnPresenter.new(measure: measure, score: measure.teacher_score(school: @school, academic_year: @academic_year), position: 2) %>
<% presenter = TeacherGroupedBarColumnPresenter.new(measure: measure, school: @school, academic_year: @academic_year, position: 2) %>
<%= render partial: "grouped_bar_column", locals: {presenter: presenter} %>
<% presenter = GroupedBarColumnPresenter.new(measure: measure, score: measure.score(school: @school, academic_year: @academic_year), position: 3) %>
<% presenter = GroupedBarColumnPresenter.new(measure: measure, school: @school, academic_year: @academic_year, position: 3) %>
<%= render partial: "grouped_bar_column", locals: {presenter: presenter} %>
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149
spec/presenters/grouped_bar_column_presenter_spec.rb
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@ -1,42 +1,55 @@
require 'rails_helper'
describe GroupedBarColumnPresenter do
let(:watch_low_benchmark) { 2.9 }
let(:growth_low_benchmark) { 3.1 }
let(:approval_low_benchmark) { 3.6 }
let(:ideal_low_benchmark) { 3.8 }
let(:measure_with_student_survey_items) do
measure = create(
:measure,
name: 'Some Title'
)
scale = create(:scale, measure:)
create(:student_survey_item, scale:,
let(:school) { create(:school) }
let(:academic_year) { create(:academic_year) }
let(:watch_low_benchmark) { 2 }
let(:growth_low_benchmark) { 3 }
let(:approval_low_benchmark) { 4 }
let(:ideal_low_benchmark) { 4.5 }
let(:measure_with_student_survey_items) { create(:measure, name: 'Student measure') }
let(:scale_with_student_survey_item) { create(:student_scale, measure: measure_with_student_survey_items) }
let(:student_survey_item) do
create(:student_survey_item, scale: scale_with_student_survey_item,
watch_low_benchmark:,
growth_low_benchmark:,
approval_low_benchmark:,
ideal_low_benchmark:)
measure
end
let(:measure_with_teacher_survey_items) do
measure = create(
:measure,
name: 'Some Title'
)
scale = create(:scale, measure:)
create(:teacher_survey_item, scale:,
let(:measure_with_teacher_survey_items) { create(:measure, name: 'Teacher measure') }
let(:scale_with_teacher_survey_item) { create(:teacher_scale, measure: measure_with_teacher_survey_items) }
let(:teacher_survey_item) do
create(:teacher_survey_item, scale: scale_with_teacher_survey_item,
watch_low_benchmark:,
growth_low_benchmark:,
approval_low_benchmark:,
ideal_low_benchmark:)
end
measure
let(:measure_composed_of_student_and_teacher_items) { create(:measure, name: 'Student and teacher measure') }
let(:student_scale_for_composite_measure) do
create(:student_scale, measure: measure_composed_of_student_and_teacher_items)
end
let(:student_survey_item_for_composite_measure) do
create(:student_survey_item, scale: student_scale_for_composite_measure,
watch_low_benchmark:,
growth_low_benchmark:,
approval_low_benchmark:,
ideal_low_benchmark:)
end
let(:teacher_scale_for_composite_measure) do
create(:teacher_scale, measure: measure_composed_of_teacher_and_teacher_items)
end
let(:teacher_survey_item_for_composite_measure) do
create(:teacher_survey_item, scale: teacher_scale_for_composite_measure,
watch_low_benchmark:,
growth_low_benchmark:,
approval_low_benchmark:,
ideal_low_benchmark:)
end
let(:measure_without_admin_data_items) do
create(
:measure,
@ -45,22 +58,39 @@ describe GroupedBarColumnPresenter do
end
let(:student_presenter) do
GroupedBarColumnPresenter.new measure: measure_with_student_survey_items, score:, position: 1, type: :student
StudentGroupedBarColumnPresenter.new measure: measure_with_student_survey_items, school:, academic_year:,
position: 1
end
let(:teacher_presenter) do
GroupedBarColumnPresenter.new measure: measure_with_teacher_survey_items, score:, position: 1, type: :teacher
TeacherGroupedBarColumnPresenter.new measure: measure_with_teacher_survey_items, school:, academic_year:,
position: 1
end
let(:all_data_presenter) do
GroupedBarColumnPresenter.new measure: measure_composed_of_student_and_teacher_items, school:, academic_year:,
position: 1
end
before do
create(:respondent, school:, academic_year:, total_students: 1, total_teachers: 1)
create(:survey, form: :normal, school:, academic_year:)
end
shared_examples_for 'measure_name' do
it 'returns the measure name' do
expect(student_presenter.measure_name).to eq 'Some Title'
expect(student_presenter.measure_name).to eq 'Student measure'
end
end
context 'when a measure is based on student survey items' do
context 'when the score is in the Ideal zone' do
let(:score) { Score.new(4.4, true, true) }
before do
create(:survey_item_response, survey_item: student_survey_item, school:,
academic_year:, likert_score: 5)
create(:survey_item_response, survey_item: student_survey_item, school:,
academic_year:, likert_score: 4)
end
it_behaves_like 'measure_name'
@ -69,16 +99,19 @@ describe GroupedBarColumnPresenter do
end
it 'returns a bar width equal to the approval zone width plus the proportionate ideal zone width' do
expect(student_presenter.bar_height_percentage).to be_within(0.01).of(25.5)
expect(student_presenter.bar_height_percentage).to be_within(0.01).of(17)
end
it 'returns a y_offset equal to the ' do
expect(student_presenter.y_offset).to be_within(0.01).of(8.5)
expect(student_presenter.y_offset).to be_within(0.01).of(17)
end
end
context 'when the score is in the Approval zone' do
let(:score) { Score.new(3.7, true, true) }
before do
create(:survey_item_response, survey_item: student_survey_item, school:,
academic_year:, likert_score: 4)
end
it_behaves_like 'measure_name'
@ -87,16 +120,19 @@ describe GroupedBarColumnPresenter do
end
it 'returns a bar width equal to the proportionate approval zone width' do
expect(student_presenter.bar_height_percentage).to be_within(0.01).of(8.5)
expect(student_presenter.bar_height_percentage).to be_within(0.01).of(0)
end
it 'returns an x-offset of 60%' do
expect(student_presenter.y_offset).to be_within(0.01).of(25.5)
expect(student_presenter.y_offset).to be_within(0.01).of(34)
end
end
context 'when the score is in the Growth zone' do
let(:score) { Score.new(3.2, true, true) }
before do
create(:survey_item_response, survey_item: student_survey_item, school:,
academic_year:, likert_score: 3)
end
it_behaves_like 'measure_name'
@ -105,7 +141,7 @@ describe GroupedBarColumnPresenter do
end
it 'returns a bar width equal to the proportionate growth zone width' do
expect(student_presenter.bar_height_percentage).to be_within(0.01).of(13.59)
expect(student_presenter.bar_height_percentage).to be_within(0.01).of(17)
end
context 'in order to achieve the visual effect' do
@ -116,7 +152,10 @@ describe GroupedBarColumnPresenter do
end
context 'when the score is in the Watch zone' do
let(:score) { Score.new(2.9, true, true) }
before do
create(:survey_item_response, survey_item: student_survey_item, school:,
academic_year:, likert_score: 2)
end
it_behaves_like 'measure_name'
@ -136,7 +175,10 @@ describe GroupedBarColumnPresenter do
end
context 'when the score is in the Warning zone' do
let(:score) { Score.new(1.0, true, true) }
before do
create(:survey_item_response, survey_item: student_survey_item, school:,
academic_year:, likert_score: 1)
end
it_behaves_like 'measure_name'
@ -156,53 +198,36 @@ describe GroupedBarColumnPresenter do
end
context 'when there are insufficient responses to calculate a score' do
let(:score) { Score.new(nil, true, false) }
it 'indicates it should show the insufficient data message' do
expect(student_presenter.show_insufficient_data_message?).to eq true
end
end
context 'when there are enough responses to calculate a score' do
let(:score) { Score.new(nil, true, true) }
before do
create(:survey_item_response, survey_item: student_survey_item, school:,
academic_year:)
end
it 'indicates it should show the insufficient data message' do
expect(student_presenter.show_insufficient_data_message?).to eq false
end
end
end
context 'when the presenter type is student but the measure is not based on student surveys' do
let(:score) { Score.new(nil, false, false) }
let(:student_presenter) do
GroupedBarColumnPresenter.new measure: measure_without_admin_data_items, score:, position: 1, type: :student
end
it 'indecates it should show the irrelevancy message' do
expect(student_presenter.show_irrelevancy_message?).to be true
end
end
context 'when the measure is based on teacher survey items' do
context 'when there are insufficient responses to calculate a score' do
let(:score) { Score.new(nil, false, true) }
it 'indicates it should show the insufficient data message' do
expect(teacher_presenter.show_insufficient_data_message?).to eq true
end
end
context 'when there are enough responses to calculate a score' do
let(:score) { Score.new(nil, true, true) }
before do
create(:survey_item_response, survey_item: teacher_survey_item, school:,
academic_year:)
end
it 'indicates it should show the insufficient data message' do
expect(teacher_presenter.show_insufficient_data_message?).to eq false
end
end
context 'when the presenter type is teacher but the measure is not based on teacher surveys' do
let(:score) { Score.new(nil, false, false) }
let(:teacher_presenter) do
GroupedBarColumnPresenter.new measure: measure_without_admin_data_items, score:, position: 1, type: :teacher
end
it 'indecates it should show the irrelevancy message' do
expect(teacher_presenter.show_irrelevancy_message?).to be true
end
end
end
end

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