@project-sunbird/ext-framework-server/meta/CassandraMetaDataProvider.js

Extensible framework for sunbird extensions on server side

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    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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};
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    if (typeof Reflect === "object" && typeof Reflect.metadata === "function") return Reflect.metadata(k, v);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
    function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
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        step((generator = generator.apply(thisArg, _arguments || [])).next());
    });
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.CassandraMetaDataProvider = void 0;
const cassandra_1 = require("../db/cassandra");
const util_1 = require("../util");
const RegistrySchema_1 = require("./RegistrySchema");
const logger_1 = require("../logger");
const typescript_ioc_1 = require("typescript-ioc");
let CassandraMetaDataProvider = class CassandraMetaDataProvider {
    initialize(config) {
        config = Object.assign({}, config, { keyspace: util_1.Util.generateId(RegistrySchema_1.RegistrySchema.keyspace_prefix, RegistrySchema_1.RegistrySchema.keyspace_name) });
        this.cassandraDB.initialize(config);
    }
    getMeta(id) {
        return __awaiter(this, void 0, void 0, function* () {
            const model = yield this.getConnection();
            yield model.instance.plugin_registry.findAsync({ id })
                .catch(error => {
                logger_1.logger.error('error when getting meta data', error);
            });
        });
    }
    updateMeta(id, meta) {
        return __awaiter(this, void 0, void 0, function* () {
            const model = yield this.getConnection();
            yield model.instance.plugin_registry.updateAsync({ id }, Object.assign({}, meta))
                .catch(error => {
                logger_1.logger.error('error when updating meta data', error);
            });
        });
    }
    createMeta(meta) {
        return __awaiter(this, void 0, void 0, function* () {
            const model = yield this.getConnection();
            const record = new model.instance.plugin_registry(Object.assign({}, meta));
            yield record.saveAsync()
                .catch(error => {
                logger_1.logger.error('error when creating meta data', error);
            });
        });
    }
    deleteMeta(id) {
        return __awaiter(this, void 0, void 0, function* () {
            const model = yield this.getConnection();
            yield model.instance.plugin_registry.deleteAsync({ id: id })
                .catch(error => {
                logger_1.logger.error('error when deleting meta data', error);
            });
        });
    }
    getConnection() {
        return __awaiter(this, void 0, void 0, function* () {
            if (this.connection)
                return this.connection;
            this.connection = yield this.cassandraDB.getConnectionByKeyspace(util_1.Util.generateId(RegistrySchema_1.RegistrySchema.keyspace_prefix, RegistrySchema_1.RegistrySchema.keyspace_name));
            return this.connection;
        });
    }
};
exports.CassandraMetaDataProvider = CassandraMetaDataProvider;
__decorate([
    typescript_ioc_1.Inject,
    __metadata("design:type", cassandra_1.CassandraDB)
], CassandraMetaDataProvider.prototype, "cassandraDB", void 0);
exports.CassandraMetaDataProvider = CassandraMetaDataProvider = __decorate([
    typescript_ioc_1.Singleton
], CassandraMetaDataProvider);
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