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* Copyright 2022 Harness Inc. All rights reserved.
* Use of this source code is governed by the PolyForm Shield 1.0.0 license
* that can be found in the licenses directory at the root of this repository, also available at
* https://polyformproject.org/wp-content/uploads/2020/06/PolyForm-Shield-1.0.0.txt.
*/
import type { Distribution } from 'services/cf'
import { PERCENTAGE_ROLLOUT_VALUE } from '@cf/constants'
import type { Instruction } from '@cf/utils/instructions'
import type { FlagSettingsFormData, FlagSettingsFormRow, TargetGroupFlagsMap } from '../../TargetGroupDetailPage.types'
export function getFlagSettingsInstructions(
flags: FlagSettingsFormData['flags'],
targetGroupFlagsMap: TargetGroupFlagsMap
): Instruction[] {
const instructions = []
const removedFlagIdentifiers = getRemovedFlagIdentifiers(flags, targetGroupFlagsMap)
const updatedFlags = getUpdatedFlags(flags, targetGroupFlagsMap)
if (removedFlagIdentifiers.length) {
instructions.push(getRemoveFlagsInstruction(removedFlagIdentifiers, targetGroupFlagsMap))
}
if (updatedFlags.length) {
instructions.push(getUpdateFlagsInstruction(updatedFlags, targetGroupFlagsMap))
}
return instructions
}
export function getRemovedFlagIdentifiers(
flags: FlagSettingsFormData['flags'],
targetGroupFlagsMap: TargetGroupFlagsMap
): string[] {
const newKeys = Object.keys(flags)
return Object.keys(targetGroupFlagsMap).filter(oldKey => !newKeys.includes(oldKey))
}
export function getUpdatedFlags(
flags: FlagSettingsFormData['flags'],
targetGroupFlagsMap: TargetGroupFlagsMap
): FlagSettingsFormRow[] {
return Object.values(flags).filter(
({ identifier, variation }) => targetGroupFlagsMap[identifier]?.variation !== variation
)
}
export function getRemoveFlagsInstruction(
identifiers: string[],
targetGroupFlagsMap: TargetGroupFlagsMap
): Instruction {
return {
kind: 'removeRule',
parameters: {
features: identifiers.map(identifier => ({ ruleID: targetGroupFlagsMap[identifier].ruleId }))
}
} as any as Instruction
}
export function getUpdateFlagsInstruction(
flags: FlagSettingsFormRow[],
targetGroupFlagsMap: TargetGroupFlagsMap
): Instruction {
return {
kind: 'addRule',
parameters: {
features: flags.map(row => ({
identifier: row.identifier,
...getVariationOrServe(row),
ruleID: targetGroupFlagsMap[row.identifier].ruleId as string
}))
}
} as any as Instruction
}
export function getAddFlagsInstruction(flags: FlagSettingsFormRow[]): Instruction {
return {
kind: 'addRule',
parameters: {
features: flags.map(row => ({
identifier: row.identifier,
...getVariationOrServe(row)
}))
}
} as any as Instruction
}
export function getVariationOrServe(
row: FlagSettingsFormRow
): { variation: string } | { serve: { distribution: Distribution } } {
if (row.variation === PERCENTAGE_ROLLOUT_VALUE) {
return {
serve: {
distribution: {
bucketBy: 'identifier',
variations: row.percentageRollout?.variations || []
}
}
}
}
return { variation: row.variation }
}
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