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Revert "don't flush redis on start, don't delete images on start"

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Ah, we did this because heroku.
This commit is contained in:
jomo 2014-11-22 02:24:35 +01:00
parent 893ac91717
commit 170ca55535
1 changed files with 30 additions and 29 deletions
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59
modules/cache.js
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@ -2,7 +2,7 @@ var config = require("./config");
var redis = null;
var fs = require("fs");
// sets up redis connection
// sets up redis connection, calls clear_cache
function connect_redis() {
console.log("connecting to redis...");
if (process.env.REDISCLOUD_URL) {
@ -14,6 +14,7 @@ function connect_redis() {
}
redis.on("ready", function() {
console.log("Redis connection established.");
clear_cache();
});
redis.on("error", function (err) {
console.error(err);
@ -25,34 +26,34 @@ function connect_redis() {
// flushes redis, deletes faces + helms
// function clear_cache() {
// console.log("Flushing redis");
// redis.flushall();
// console.log("Deleting all faces + helms...");
// fs.readdir(config.faces_dir, function(err, files) {
// if (err) {
// console.error(err);
// } else {
// for (var i in files) {
// var file = files[i];
// if (file[0] != ".") {
// // delete face file
// fs.unlink(config.faces_dir + file, function(err){
// if (err) {
// console.error(err);
// }
// });
// // delete helm file, we assume this exists as well
// fs.unlink(config.helms_dir + file, function(err){
// if (err) {
// console.error(err);
// }
// });
// }
// }
// }
// });
// }
function clear_cache() {
console.log("Flushing redis");
redis.flushall();
console.log("Deleting all faces + helms...");
fs.readdir(config.faces_dir, function(err, files) {
if (err) {
console.error(err);
} else {
for (var i in files) {
var file = files[i];
if (file[0] != ".") {
// delete face file
fs.unlink(config.faces_dir + file, function(err){
if (err) {
console.error(err);
}
});
// delete helm file, we assume this exists as well
fs.unlink(config.helms_dir + file, function(err){
if (err) {
console.error(err);
}
});
}
}
}
});
}
// sets the date of the face file belonging to +hash+ to now
// the helms file is ignored because we only need 1 file to read/write from