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147 changes: 147 additions & 0 deletions
147
...ssing/1710497811000-IncludeDecimalDigitsWhenRoundingTargetAndCurrentDataInGapDataViews.ts
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import { MigrationInterface, QueryRunner } from 'typeorm'; | ||
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export class IncludeDecimalDigitsWhenRoundingTargetAndCurrentDataInGapDataViews1710497811000 | ||
implements MigrationInterface | ||
{ | ||
public async up(queryRunner: QueryRunner): Promise<void> { | ||
await queryRunner.query(` | ||
drop view scenario_features_gap_data; | ||
create view scenario_features_gap_data as | ||
with gap_data as ( | ||
select | ||
sfd.api_feature_id as feature_id, | ||
scenario_id, | ||
sum(total_area) total_area, | ||
case when sum(current_pa) is not null | ||
then sum(current_pa) | ||
else 0 | ||
end as met_area, | ||
min(prop) as coverage_target | ||
from scenario_features_data sfd | ||
group by sfd.api_feature_id, feature_class_id, scenario_id) | ||
select | ||
scenario_id, | ||
feature_id, | ||
sum(total_area) as total_area, | ||
sum(met_area) as met_area, | ||
case | ||
when sum(total_area) > 0 | ||
then round(((sum(met_area)/sum(total_area))*100)::numeric, 4) | ||
else 0 | ||
end as met, | ||
sum(total_area) * min(coverage_target) as coverage_target_area, | ||
round((min(coverage_target) * 100)::numeric, 4) as coverage_target, | ||
sum(met_area) >= (sum(total_area) * min(coverage_target)) as on_target | ||
from gap_data | ||
group by feature_id, scenario_id; | ||
`); | ||
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await queryRunner.query(` | ||
drop view scenario_features_output_gap_data; | ||
create view scenario_features_output_gap_data as | ||
with gap_data as ( | ||
select | ||
amount, | ||
occurrences, | ||
run_id, | ||
sfd.api_feature_id as feature_id, | ||
sfd.scenario_id, | ||
osfd.total_area, | ||
sfd.prop as coverage_target, | ||
osfd.target as target_met | ||
from output_scenarios_features_data osfd | ||
inner join scenario_features_data sfd on osfd.scenario_features_id=sfd.id) | ||
select | ||
scenario_id, | ||
feature_id, | ||
sum(total_area) as total_area, | ||
sum(amount) as met_area, | ||
case | ||
when sum(total_area) <> 0 and sum(total_area) is not null then | ||
round(((sum(amount)/sum(total_area))*100)::numeric, 4) | ||
else | ||
0 | ||
end as met, | ||
sum(occurrences) as met_occurrences, | ||
sum(total_area) * min(coverage_target) as coverage_target_area, | ||
round((min(coverage_target) * 100)::numeric, 4) as coverage_target, | ||
bool_and(target_met) as on_target, | ||
run_id | ||
from gap_data | ||
group by run_id, feature_id, scenario_id; | ||
`); | ||
} | ||
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public async down(queryRunner: QueryRunner): Promise<void> { | ||
await queryRunner.query(` | ||
drop view scenario_features_gap_data; | ||
create view scenario_features_gap_data as | ||
with gap_data as ( | ||
select | ||
sfd.api_feature_id as feature_id, | ||
scenario_id, | ||
sum(total_area) total_area, | ||
case when sum(current_pa) is not null | ||
then sum(current_pa) | ||
else 0 | ||
end as met_area, | ||
min(prop) as coverage_target | ||
from scenario_features_data sfd | ||
group by sfd.api_feature_id, feature_class_id, scenario_id) | ||
select | ||
scenario_id, | ||
feature_id, | ||
sum(total_area) as total_area, | ||
sum(met_area) as met_area, | ||
case | ||
when sum(total_area) > 0 | ||
then round((sum(met_area)/sum(total_area))*100) | ||
else 0 | ||
end as met, | ||
sum(total_area) * min(coverage_target) as coverage_target_area, | ||
round(min(coverage_target) * 100) as coverage_target, | ||
sum(met_area) >= (sum(total_area) * min(coverage_target)) as on_target | ||
from gap_data | ||
group by feature_id, scenario_id; | ||
`); | ||
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await queryRunner.query(` | ||
drop view scenario_features_output_gap_data; | ||
create view scenario_features_output_gap_data as | ||
with gap_data as ( | ||
select | ||
amount, | ||
occurrences, | ||
run_id, | ||
sfd.api_feature_id as feature_id, | ||
sfd.scenario_id, | ||
osfd.total_area, | ||
sfd.prop as coverage_target, | ||
osfd.target as target_met | ||
from output_scenarios_features_data osfd | ||
inner join scenario_features_data sfd on osfd.scenario_features_id=sfd.id) | ||
select | ||
scenario_id, | ||
feature_id, | ||
sum(total_area) as total_area, | ||
sum(amount) as met_area, | ||
case | ||
when sum(total_area) <> 0 and sum(total_area) is not null then | ||
round((sum(amount)/sum(total_area))*100) | ||
else | ||
0 | ||
end as met, | ||
sum(occurrences) as met_occurrences, | ||
sum(total_area) * min(coverage_target) as coverage_target_area, | ||
round(min(coverage_target) * 100) as coverage_target, | ||
bool_and(target_met) as on_target, | ||
run_id | ||
from gap_data | ||
group by run_id, feature_id, scenario_id; | ||
`); | ||
} | ||
} |
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import { numericStringToFloat } from './numeric-string-to-float.utils'; | ||
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describe('parseOptionalFloat', () => { | ||
it('should return undefined if the value is undefined', () => { | ||
expect(numericStringToFloat(undefined)).toBeUndefined(); | ||
}); | ||
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it('should throw an exception if the value is not numeric', () => { | ||
expect(() => numericStringToFloat('foo')).toThrow('Invalid number: foo'); | ||
}); | ||
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it('should return a numeric representation of the value if the value is numeric', () => { | ||
expect(numericStringToFloat('123.456')).toBe(123.456); | ||
}); | ||
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it('should silently round a float to the maximum precision supported by javascript', () => { | ||
expect(numericStringToFloat('123.456789012345678901234567890')).toBe( | ||
123.45678901234568, | ||
); | ||
}); | ||
}); |
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import { isNil } from 'lodash'; | ||
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/** | ||
* Kind of like parseFloat(), but passing through undefined values, and handling | ||
* values that don't cast to a number. | ||
* | ||
* @debt It silently rounds to the maximum precision supported by Javascript any | ||
* input values that are numeric but beyond what can be represented in a | ||
* Javascript number (not BigInt). Infinity and -Infinity are also passed | ||
* through as corresponding Javascript Infinity numeric values. | ||
*/ | ||
export function numericStringToFloat( | ||
value: string | undefined, | ||
): number | undefined { | ||
// +(null) === 0, so we only cast if input is neither undefined nor null. | ||
if (!isNil(value)) { | ||
const floatValue = +value; | ||
if (!isNaN(floatValue)) { | ||
return floatValue; | ||
} | ||
throw new Error(`Invalid number: ${value}`); | ||
} | ||
return; | ||
} |
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