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"use strict";
var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
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};
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});
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ScheduleExplorer = void 0;
const common_1 = require("@nestjs/common");
const core_1 = require("@nestjs/core");
const scheduler_type_enum_1 = require("./enums/scheduler-type.enum");
const schedule_metadata_accessor_1 = require("./schedule-metadata.accessor");
const scheduler_orchestrator_1 = require("./scheduler.orchestrator");
let ScheduleExplorer = class ScheduleExplorer {
constructor(schedulerOrchestrator, discoveryService, metadataAccessor, metadataScanner) {
this.schedulerOrchestrator = schedulerOrchestrator;
this.discoveryService = discoveryService;
this.metadataAccessor = metadataAccessor;
this.metadataScanner = metadataScanner;
this.logger = new common_1.Logger('Scheduler');
}
onModuleInit() {
this.explore();
}
explore() {
const instanceWrappers = [
...this.discoveryService.getControllers(),
...this.discoveryService.getProviders(),
];
instanceWrappers.forEach((wrapper) => {
const { instance } = wrapper;
if (!instance || !Object.getPrototypeOf(instance)) {
return;
}
this.metadataScanner.scanFromPrototype(instance, Object.getPrototypeOf(instance), (key) => wrapper.isDependencyTreeStatic()
? this.lookupSchedulers(instance, key)
: this.warnForNonStaticProviders(wrapper, instance, key));
});
}
lookupSchedulers(instance, key) {
const methodRef = instance[key];
const metadata = this.metadataAccessor.getSchedulerType(methodRef);
switch (metadata) {
case scheduler_type_enum_1.SchedulerType.CRON: {
const cronMetadata = this.metadataAccessor.getCronMetadata(methodRef);
const cronFn = this.wrapFunctionInTryCatchBlocks(methodRef, instance);
return this.schedulerOrchestrator.addCron(cronFn, cronMetadata);
}
case scheduler_type_enum_1.SchedulerType.TIMEOUT: {
const timeoutMetadata = this.metadataAccessor.getTimeoutMetadata(methodRef);
const name = this.metadataAccessor.getSchedulerName(methodRef);
const timeoutFn = this.wrapFunctionInTryCatchBlocks(methodRef, instance);
return this.schedulerOrchestrator.addTimeout(timeoutFn, timeoutMetadata.timeout, name);
}
case scheduler_type_enum_1.SchedulerType.INTERVAL: {
const intervalMetadata = this.metadataAccessor.getIntervalMetadata(methodRef);
const name = this.metadataAccessor.getSchedulerName(methodRef);
const intervalFn = this.wrapFunctionInTryCatchBlocks(methodRef, instance);
return this.schedulerOrchestrator.addInterval(intervalFn, intervalMetadata.timeout, name);
}
}
}
warnForNonStaticProviders(wrapper, instance, key) {
const methodRef = instance[key];
const metadata = this.metadataAccessor.getSchedulerType(methodRef);
switch (metadata) {
case scheduler_type_enum_1.SchedulerType.CRON: {
this.logger.warn(`Cannot register cron job "${wrapper.name}@${key}" because it is defined in a non static provider.`);
break;
}
case scheduler_type_enum_1.SchedulerType.TIMEOUT: {
this.logger.warn(`Cannot register timeout "${wrapper.name}@${key}" because it is defined in a non static provider.`);
break;
}
case scheduler_type_enum_1.SchedulerType.INTERVAL: {
this.logger.warn(`Cannot register interval "${wrapper.name}@${key}" because it is defined in a non static provider.`);
break;
}
}
}
wrapFunctionInTryCatchBlocks(methodRef, instance) {
return (...args) => __awaiter(this, void 0, void 0, function* () {
try {
yield methodRef.call(instance, ...args);
}
catch (error) {
this.logger.error(error);
}
});
}
};
ScheduleExplorer = __decorate([
(0, common_1.Injectable)(),
__metadata("design:paramtypes", [scheduler_orchestrator_1.SchedulerOrchestrator,
core_1.DiscoveryService,
schedule_metadata_accessor_1.SchedulerMetadataAccessor,
core_1.MetadataScanner])
], ScheduleExplorer);
exports.ScheduleExplorer = ScheduleExplorer;