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@Jeff-Lewis
Forked from jcsrb/gist:1081548
Created December 19, 2013 01:48
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function get_avatar_from_service(service, userid, size) {
// this return the url that redirects to the according user image/avatar/profile picture
// implemented services: google profiles, facebook, gravatar, twitter, tumblr, default fallback
// for google use get_avatar_from_service('google', profile-name or user-id , size-in-px )
// for facebook use get_avatar_from_service('facebook', vanity url or user-id , size-in-px or size-as-word )
// for gravatar use get_avatar_from_service('gravatar', md5 hash email@adress, size-in-px )
// for twitter use get_avatar_from_service('twitter', username, size-in-px or size-as-word )
// for tumblr use get_avatar_from_service('tumblr', blog-url, size-in-px )
// everything else will go to the fallback
// google and gravatar scale the avatar to any site, others will guided to the next best version
var url = '';
switch (service) {
case "google":
// see http://googlesystem.blogspot.com/2011/03/unedited-google-profile-pictures.html (couldn't find a better link)
// available sizes: all, google rescales for you
url = "http://profiles.google.com/s2/photos/profile/" + userid + "?sz=" + size;
break;
case "facebook":
// see https://developers.facebook.com/docs/reference/api/
// available sizes: square (50x50), small (50xH) , normal (100xH), large (200xH)
var sizeparam = '';
if (isNumber(size)) {
if (size >= 200) {
sizeparam = 'large'
};
if (size >= 100 && size < 200) {
sizeparam = 'normal'
};
if (size >= 50 && size < 100) {
sizeparam = 'small'
};
if (size < 50) {
sizeparam = 'square'
};
} else {
sizeparam = size;
}
url = "https://graph.facebook.com/" + userid + "/picture?type=" + sizeparam;
break;
case "gravatar":
// see http://en.gravatar.com/site/implement/images/
// available sizes: all, gravatar rescales for you
url = "http://www.gravatar.com/avatar/" + userid + "?s=" + size
break;
case "twitter":
// see https://dev.twitter.com/docs/api/1/get/users/profile_image/%3Ascreen_name
// available sizes: bigger (73x73), normal (48x48), mini (24x24), no param will give you full size
var sizeparam = '';
if (isNumber(size)) {
if (size >= 73) {
sizeparam = 'bigger'
};
if (size >= 48 && size < 73) {
sizeparam = 'normal'
};
if (size < 48) {
sizeparam = 'mini'
};
} else {
sizeparam = size;
}
url = "http://api.twitter.com/1/users/profile_image?screen_name=" + userid + "&size=" + sizeparam;
break;
case "tumblr":
// see http://www.tumblr.com/docs/en/api/v2#blog-avatar
//TODO do something smarter with the ranges
// available sizes: 16, 24, 30, 40, 48, 64, 96, 128, 512
var sizeparam = '';
if (size >= 512) {
sizeparam = 512
};
if (size >= 128 && size < 512) {
sizeparam = 128
};
if (size >= 96 && size < 128) {
sizeparam = 96
};
if (size >= 64 && size < 96) {
sizeparam = 64
};
if (size >= 48 && size < 64) {
sizeparam = 48
};
if (size >= 40 && size < 48) {
sizeparam = 40
};
if (size >= 30 && size < 40) {
sizeparam = 30
};
if (size >= 24 && size < 30) {
sizeparam = 24
};
if (size < 24) {
sizeparam = 16
};
url = "http://api.tumblr.com/v2/blog/" + userid + "/avatar/" + sizeparam;
break;
default:
// http://www.iconfinder.com/icondetails/23741/128/avatar_devil_evil_green_monster_vampire_icon
// find your own
url = "http://i.imgur.com/RLiDK.png"; // 48x48
}
return url;
}
// helper methods
function isNumber(n) {
// see http://stackoverflow.com/questions/18082/validate-numbers-in-javascript-isnumeric
return !isNaN(parseFloat(n)) && isFinite(n);
}
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