unleash-server
Version:
Unleash is an enterprise ready feature flag service. It provides different strategies for handling feature flags.
91 lines • 3.11 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.FeatureLifecycleReadModel = void 0;
const get_current_stage_1 = require("./get-current-stage");
const calculate_stage_durations_1 = require("./calculate-stage-durations");
class FeatureLifecycleReadModel {
constructor(db, flagResolver) {
this.db = db;
this.flagResolver = flagResolver;
}
async getStageCount() {
const { rows } = await this.db.raw(`
SELECT
stage,
COUNT(*) AS feature_count
FROM (
SELECT DISTINCT ON (feature)
feature,
stage,
created_at
FROM
feature_lifecycles
ORDER BY
feature, created_at DESC
) AS LatestStages
GROUP BY
stage;
`);
return rows.map((row) => ({
stage: row.stage,
count: Number(row.feature_count),
}));
}
async getStageCountByProject() {
const { rows } = await this.db.raw(`
SELECT
f.project,
ls.stage,
COUNT(*) AS feature_count
FROM (
SELECT DISTINCT ON (fl.feature)
fl.feature,
fl.stage,
fl.created_at
FROM
feature_lifecycles fl
ORDER BY
fl.feature, fl.created_at DESC
) AS ls
JOIN
features f ON f.name = ls.feature
GROUP BY
f.project,
ls.stage;
`);
return rows.map((row) => ({
stage: row.stage,
count: Number(row.feature_count),
project: row.project,
}));
}
async findCurrentStage(feature) {
const results = await this.db('feature_lifecycles')
.where({ feature })
.orderBy('created_at', 'asc');
const stages = results.map(({ stage, status, created_at }) => ({
stage,
...(status ? { status } : {}),
enteredStageAt: created_at,
}));
return (0, get_current_stage_1.getCurrentStage)(stages);
}
async getAll() {
const results = await this.db('feature_lifecycles as flc')
.select('flc.feature', 'flc.stage', 'flc.created_at', 'f.project')
.leftJoin('features as f', 'f.name', 'flc.feature')
.orderBy('created_at', 'asc');
return results.map(({ feature, stage, created_at, project }) => ({
feature,
stage,
project,
enteredStageAt: new Date(created_at),
}));
}
async getAllWithStageDuration() {
const featureLifeCycles = await this.getAll();
return (0, calculate_stage_durations_1.calculateStageDurations)(featureLifeCycles);
}
}
exports.FeatureLifecycleReadModel = FeatureLifecycleReadModel;
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