Created
September 4, 2015 12:27
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| /** | |
| * Checks, if slug exists in database, if so, it adds number after it | |
| * @param {String} pretty_slug | |
| * @return {Promise} when resolved, gets valid slug | |
| */ | |
| validateSlug: function(pretty_slug) { | |
| return PrettyUrls.findByPrettySlug(pretty_slug) | |
| .then(function(slug) { | |
| var newSlug = prettyurls._addNumberToSlug(pretty_slug); | |
| return prettyurls.validateSlug(newSlug); | |
| }, | |
| function(err) { | |
| return pretty_slug; | |
| }); | |
| } | |
| /** | |
| * Adds +1 to slug | |
| * @param {String} pretty_slug | |
| * @return {String} | |
| */ | |
| _addNumberToSlug: function(pretty_slug) { | |
| var sp = pretty_slug.split('-'); | |
| var num = parseInt(sp[sp.length-1], 10); | |
| if(isNaN(num)) { | |
| var newSlug = pretty_slug + '-1'; | |
| return newSlug; | |
| } | |
| else { | |
| num = num + 1; | |
| sp[sp.length-1] = num; | |
| var newSlug = sp.join('-'); | |
| return newSlug; | |
| } | |
| } |
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