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Added redis readycheck, fallback to db query if unavailable #23

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Added redis readycheck, fallback to db query if unavailable #23

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c3dabc1
Added redis readycheck, fallback to db query if unavailable
Jul 30, 2016
91d289b
Merge branch 'master' into feature/db_ready_check
si-harps Jan 2, 2017
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13 changes: 10 additions & 3 deletions lib/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -44,7 +44,10 @@ Cacher.prototype.prefix = function prefix(cachePrefix) {
*/
Cacher.prototype.run = function run(options) {
this.options = options || this.options;
return this.fetchFromCache();

return redis.ready
? this.fetchFromCache()
: this.fetchFromDatabase(this.options.key, true);
};

/**
Expand Down Expand Up @@ -124,8 +127,8 @@ Cacher.prototype.ttl = function ttl(seconds) {
/**
* Fetch from the database
*/
Cacher.prototype.fetchFromDatabase = function fetchFromDatabase(key) {
var method = this.md[this.method];
Cacher.prototype.fetchFromDatabase = function fetchFromDatabase(key, nocache) {
var method = this.model[this.method];
var self = this;
this.cacheHit = false;
return new Promise(function promiser(resolve, reject) {
Expand All @@ -144,6 +147,10 @@ Cacher.prototype.fetchFromDatabase = function fetchFromDatabase(key) {
} else {
res = results;
}

if (nocache)
return resolve(res);

return self.setCache(key, res, self.seconds)
.then(
function good() {
Expand Down