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move misplaced docs, add missing docs, better name for a function

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naming things is hard.
This commit is contained in:
jomo 2015-01-31 20:15:52 +01:00
parent 1d2f0458c4
commit 08706e56bd
1 changed files with 20 additions and 8 deletions
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28
modules/helpers.js
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@ -94,24 +94,32 @@ function store_cape(rid, uuid, profile, details, callback) {
});
}
// downloads the images for +uuid+ while checking the cache
// status based on +details+. +type+ specifies which
// image type should be called back on
// +callback+ contains the error buffer and image hash
// used by store_images to queue simultaneous requests for identical uuid
// the first request has to be completed until all others are continued
var currently_running = [];
// calls back all queued requests that match uuid and type
function callback_for(uuid, type, err, hash) {
var req_count = 0;
for (var i = 0; i < currently_running.length; i++) {
var current = currently_running[i];
if (current.uuid === uuid && current.type === type) {
logging.debug(current.rid + "now completing queued " + type + " request");
current.callback(err, hash);
req_count++;
if (req_count !== 1) {
// otherwise this would show up on single/first requests, too
logging.debug(current.rid + "queued " + type + " request continued");
}
currently_running.splice(i, 1); // remove from array
current.callback(err, hash);
i--;
}
}
if (req_count > 1) {
logging.debug(req_count + " simultaneous requests for " + uuid);
}
}
function array_has_obj(arr, property, value) {
// returns true if any object in +arr+ has +value+ as +property+
function deep_property_check(arr, property, value) {
for (var i = 0; i < arr.length; i++) {
if (arr[i][property] === value) {
return true;
@ -120,6 +128,10 @@ function array_has_obj(arr, property, value) {
return false;
}
// downloads the images for +uuid+ while checking the cache
// status based on +details+. +type+ specifies which
// image type should be called back on
// +callback+ contains the error buffer and image hash
function store_images(rid, uuid, details, type, callback) {
var is_uuid = uuid.length > 16;
var new_hash = {
@ -128,7 +140,7 @@ function store_images(rid, uuid, details, type, callback) {
type: type,
callback: callback
};
if (!array_has_obj(currently_running, "uuid", uuid)) {
if (!deep_property_check(currently_running, "uuid", uuid)) {
currently_running.push(new_hash);
networking.get_profile(rid, (is_uuid ? uuid : null), function(err, profile) {
if (err || (is_uuid && !profile)) {