unleash-server/dist/lib/services/feature-tag-service.js

Unleash is an enterprise ready feature toggles service. It provides different strategies for handling feature toggles.

"use strict";
var __importDefault = (this && this.__importDefault) || function (mod) {
    return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
const notfound_error_1 = __importDefault(require("../error/notfound-error"));
const feature_schema_1 = require("../schema/feature-schema");
const events_1 = require("../types/events");
const tag_schema_1 = require("./tag-schema");
class FeatureTagService {
    constructor({ tagStore, featureTagStore, eventStore, }, { getLogger }) {
        this.logger = getLogger('/services/feature-tag-service.ts');
        this.tagStore = tagStore;
        this.featureTagStore = featureTagStore;
        this.eventStore = eventStore;
    }
    async listTags(featureName) {
        return this.featureTagStore.getAllTagsForFeature(featureName);
    }
    // TODO: add project Id
    async addTag(featureName, tag, userName) {
        await feature_schema_1.nameSchema.validateAsync({ name: featureName });
        const validatedTag = await tag_schema_1.tagSchema.validateAsync(tag);
        await this.createTagIfNeeded(validatedTag, userName);
        await this.featureTagStore.tagFeature(featureName, validatedTag);
        await this.eventStore.store({
            type: events_1.FEATURE_TAGGED,
            createdBy: userName,
            featureName,
            data: validatedTag,
        });
        return validatedTag;
    }
    async createTagIfNeeded(tag, userName) {
        try {
            await this.tagStore.getTag(tag.type, tag.value);
        }
        catch (error) {
            if (error instanceof notfound_error_1.default) {
                await this.tagStore.createTag(tag);
                await this.eventStore.store({
                    type: events_1.TAG_CREATED,
                    createdBy: userName,
                    data: tag,
                });
            }
        }
    }
    // TODO: add project Id
    async removeTag(featureName, tag, userName) {
        await this.featureTagStore.untagFeature(featureName, tag);
        await this.eventStore.store({
            type: events_1.FEATURE_UNTAGGED,
            createdBy: userName,
            featureName,
            data: tag,
        });
    }
}
exports.default = FeatureTagService;
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