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Merge pull request #16 from keenlabs/feature/queries
Query support!
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,134 @@ | ||
| var _ = require('underscore'); | ||
| var KeenRequests = require('./requests'); | ||
|
|
||
| /*! | ||
| * ----------------- | ||
| * Keen IO Query JS | ||
| * ----------------- | ||
| */ | ||
|
|
||
| var Keen = {}; | ||
|
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| // ------------------------------ | ||
| // Keen.Request | ||
| // ------------------------------ | ||
|
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| Keen.Request = function(){ | ||
| this.data = {}; | ||
| this.configure.apply(this, arguments); | ||
| } | ||
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| Keen.Request.prototype.configure = function(client, queries, callback){ | ||
| this.client = client; | ||
| this.queries = queries; | ||
| this.callback = callback; | ||
| this.run(); | ||
| return this; | ||
| }; | ||
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| Keen.Request.prototype.run = function(){ | ||
| var self = this, | ||
| completions = 0, | ||
| response = []; | ||
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| var handleResponse = function(err, res){ | ||
| if (err && self.callback) { | ||
| return self.callback(err, null); | ||
| } | ||
| response[arguments[2]] = res, completions++; | ||
| if (completions == self.queries.length) { | ||
| self.data = (self.queries.length == 1) ? response[0] : response; | ||
| if (self.callback) self.callback(null, self.data); | ||
| } | ||
| }; | ||
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| _.each(self.queries, function(query, index){ | ||
| var data, path = '/projects/' + self.client.projectId; | ||
| var callbackSequencer = function(err, res){ | ||
| handleResponse(err, res, index); | ||
| }; | ||
|
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| if (query instanceof Keen.Query) { | ||
| path += query.path; | ||
| data = query.params || {}; | ||
| } | ||
| /* TODO: Test and deploy this | ||
| else if (_.isString(query)) { | ||
| path += '/saved_queries/' + query + '/result'; | ||
| data = { api_key: self.client.readKey }; | ||
| }*/ | ||
| else { | ||
| throw new Error('Query #' + (index+1) +' is not valid'); | ||
|
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| } | ||
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| KeenRequests.get.call(self.client, self.client.readKey, path, data, callbackSequencer); | ||
| }); | ||
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| return self; | ||
| }; | ||
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| // ------------------------------ | ||
| // Keen.Query | ||
| // ------------------------------ | ||
|
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| Keen.Query = function(){ | ||
| this.configure.apply(this, arguments); | ||
| }; | ||
|
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| Keen.Query.prototype.configure = function(analysisType, params){ | ||
| //if (!collection) throw new Error('Event Collection name is required'); | ||
| var self = this; | ||
| self.path = '/queries/' + analysisType; | ||
| self.params = {}; | ||
| self.set(params); | ||
| return self; | ||
| }; | ||
|
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| Keen.Query.prototype.get = function(attribute) { | ||
| if (this.params) { | ||
| return this.params[attribute] || null; | ||
| } | ||
| }; | ||
|
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| Keen.Query.prototype.set = function(attributes) { | ||
| var self = this; | ||
| _.each(attributes, function(v, k){ | ||
| var key = k, value = v; | ||
| if (k.match(new RegExp("[A-Z]"))) { | ||
| key = k.replace(/([A-Z])/g, function($1) { return "_"+$1.toLowerCase(); }); | ||
| } | ||
| self.params[key] = value; | ||
|
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| if (_.isArray(value)) { | ||
| _.each(value, function(dv, index){ | ||
| if (_.isObject(dv)) { | ||
| _.each(dv, function(deepValue, deepKey){ | ||
| if (deepKey.match(new RegExp("[A-Z]"))) { | ||
| var _deepKey = deepKey.replace(/([A-Z])/g, function($1) { return "_"+$1.toLowerCase(); }); | ||
| delete self.params[key][index][deepKey]; | ||
| self.params[key][index][_deepKey] = deepValue; | ||
| } | ||
| }); | ||
| } | ||
| }); | ||
| } | ||
|
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| }); | ||
| return self; | ||
| }; | ||
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| // Export Methods | ||
| // ------------------------------ | ||
| module.exports = { | ||
| client: { | ||
| run: function(query, callback){ | ||
| if (!query) throw new Error('At least one query is required'); | ||
| var queries = (_.isArray(query)) ? query : [query]; | ||
| return new Keen.Request(this, queries, callback); | ||
| } | ||
| }, | ||
| Query: Keen.Query | ||
| }; |
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