55 lines
1.7 KiB
JavaScript
55 lines
1.7 KiB
JavaScript
'use strict';
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function BatchManager(usernameQueue, userDatabaseMetadataService, jobService, jobCounterService) {
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this.usernameQueue = usernameQueue;
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this.userDatabaseMetadataService = userDatabaseMetadataService;
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this.jobService = jobService;
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this.jobCounterService = jobCounterService;
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}
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BatchManager.prototype.run = function (callback) {
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var self = this;
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this.usernameQueue.dequeue(function (err, username) {
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if (err) {
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return callback(err);
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}
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if (!username) {
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return callback(); // no jobs scheduled
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}
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self.userDatabaseMetadataService.getUserMetadata(username, function (err, userDatabaseMetadata) {
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if (err) {
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return callback(err);
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}
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self.jobCounterService.increment(userDatabaseMetadata.host, function (err) {
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if (err) {
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return callback(err);
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}
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self.jobService.run(userDatabaseMetadata, function (err) {
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if (err) {
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self.usernameQueue.enqueue(username, function (err) {
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if (err) {
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callback(err);
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}
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callback();
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});
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}
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self.jobCounterService.decrement(userDatabaseMetadata.host, function (err) {
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if (err) {
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return callback(err);
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}
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callback();
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});
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});
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});
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});
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});
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};
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module.exports = BatchManager;
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