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48 lines
2.2 KiB
CoffeeScript
48 lines
2.2 KiB
CoffeeScript
mongoose = require 'mongoose'
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EarnedAchievement = require '../achievements/EarnedAchievement'
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LocalMongo = require '../../app/lib/LocalMongo'
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util = require '../../app/core/utils'
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log = require 'winston'
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# Warning: To ensure proper functioning one must always `find` documents before saving them.
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# Otherwise the schema's `post init` won't be triggered and the plugin can't keep track of changes
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# TODO if this is still a common scenario I could implement a database hit after all, but only
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# on the condition that it's necessary and still not too frequent in occurrence
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AchievablePlugin = (schema, options) ->
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User = require '../users/User' # Avoid mutual inclusion cycles
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Achievement = require '../achievements/Achievement'
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before = {}
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return
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# Keep track the document before it's saved
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schema.post 'init', (doc) ->
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before[doc.id] = doc.toObject()
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# TODO check out how many objects go unreleased
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# Check if an achievement has been earned
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schema.post 'save', (doc) ->
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isNew = not doc.isInit('_id') or not (doc.id of before)
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originalDocObj = before[doc.id] unless isNew
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if doc.isInit('_id') and not doc.id of before
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log.warn 'document was already initialized but did not go through `init` and is therefore treated as new while it might not be'
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category = doc.constructor.collection.name
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loadedAchievements = Achievement.getLoadedAchievements()
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#log.debug 'about to save ' + category + ', number of achievements is ' + Object.keys(loadedAchievements).length
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if category of loadedAchievements
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docObj = doc.toObject()
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for achievement in loadedAchievements[category]
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do (achievement) ->
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query = achievement.get('query')
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return log.warn("Empty achievement query for #{achievement.get('name')}.") if _.isEmpty query
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isRepeatable = achievement.get('proportionalTo')?
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alreadyAchieved = if isNew then false else LocalMongo.matchesQuery originalDocObj, query
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newlyAchieved = LocalMongo.matchesQuery(docObj, query)
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return unless newlyAchieved and (not alreadyAchieved or isRepeatable)
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EarnedAchievement.createForAchievement(achievement, doc, originalDocObj)
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delete before[doc.id] if doc.id of before
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module.exports = AchievablePlugin
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