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feat: render segments changes in feature strategy update event messages #4950

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Oct 9, 2023
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44 changes: 39 additions & 5 deletions src/lib/addons/feature-event-formatter-md.ts
Original file line number Diff line number Diff line change
Expand Up @@ -415,7 +415,11 @@ export class FeatureEventFormatterMd implements FeatureEventFormatter {
preData?.constraints,
data?.constraints,
);
const strategySpecificText = [usersText, constraintText]
const segmentsText = this.segmentsChangeText(
preData?.segments,
data?.segments,
);
const strategySpecificText = [usersText, constraintText, segmentsText]
.filter((x) => x.length)
.join(';');
return `by updating strategy *${this.getStrategyTitle(
Expand Down Expand Up @@ -453,11 +457,16 @@ export class FeatureEventFormatterMd implements FeatureEventFormatter {
preData?.constraints,
data?.constraints,
);
const segmentsText = this.segmentsChangeText(
preData?.segments,
data?.segments,
);
const strategySpecificText = [
stickinessText,
rolloutText,
groupIdText,
constraintText,
segmentsText,
]
.filter((txt) => txt.length)
.join(';');
Expand All @@ -468,12 +477,20 @@ export class FeatureEventFormatterMd implements FeatureEventFormatter {

private defaultStrategyChangeText(event: IEvent) {
const { preData, data, environment } = event;
return `by updating strategy *${this.getStrategyTitle(
event,
)}* in *${environment}*${this.constraintChangeText(
const constraintText = this.constraintChangeText(
preData?.constraints,
data?.constraints,
)}`;
);
const segmentsText = this.segmentsChangeText(
preData?.segments,
data?.segments,
);
const strategySpecificText = [constraintText, segmentsText]
.filter((txt) => txt.length)
.join(';');
return `by updating strategy *${this.getStrategyTitle(
event,
)}* in *${environment}*${strategySpecificText}`;
}

private constraintChangeText(
Expand Down Expand Up @@ -525,6 +542,23 @@ export class FeatureEventFormatterMd implements FeatureEventFormatter {
: ` constraints from ${oldConstraintText} to ${newConstraintText}`;
}

private segmentsChangeText(
oldSegments: string[] = [],
newSegments: string[] = [],
) {
const formatSegments = (segments: string[]) => {
return segments.length === 0
? 'empty set of segments'
: `(${segments.join(',')})`;
};
const oldSegmentsText = formatSegments(oldSegments);
const newSegmentsText = formatSegments(newSegments);

return oldSegmentsText === newSegmentsText
? ''
: ` segments from ${oldSegmentsText} to ${newSegmentsText}`;
}

format(event: IEvent): {
text: string;
url?: string;
Expand Down
8 changes: 6 additions & 2 deletions src/lib/services/feature-toggle-service.ts
Original file line number Diff line number Diff line change
Expand Up @@ -704,6 +704,7 @@ class FeatureToggleService {
projectId,
updates.segments,
);
const existingSegments = await this.segmentService.getByStrategy(id);

if (existingStrategy.id === id) {
if (updates.constraints && updates.constraints.length > 0) {
Expand Down Expand Up @@ -738,7 +739,7 @@ class FeatureToggleService {
const data = this.featureStrategyToPublic(strategy, segments);
const preData = this.featureStrategyToPublic(
existingStrategy,
segments,
existingSegments,
);
await this.eventService.storeEvent(
new FeatureStrategyUpdateEvent({
Expand Down Expand Up @@ -775,6 +776,9 @@ class FeatureToggleService {

if (existingStrategy.id === id) {
existingStrategy.parameters[name] = String(value);
const existingSegments = await this.segmentService.getByStrategy(
id,
);
const strategy = await this.featureStrategiesStore.updateStrategy(
id,
existingStrategy,
Expand All @@ -785,7 +789,7 @@ class FeatureToggleService {
const data = this.featureStrategyToPublic(strategy, segments);
const preData = this.featureStrategyToPublic(
existingStrategy,
segments,
existingSegments,
);
await this.eventService.storeEvent(
new FeatureStrategyUpdateEvent({
Expand Down