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Use caching and a fetch queue to fetch avatars slowly without overloading server #115

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the-djmaze 2022-11-23 10:22:49 +01:00
parent 5069bc2950
commit 0deedbecf5
3 changed files with 122 additions and 44 deletions
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96
plugins/avatars/avatars.js
View file

@ -1,8 +1,57 @@
(rl => {
// if (rl.settings.get('Nextcloud'))
const
templateId = 'MailMessageView';
// DATA_IMAGE_USER_DOT_PIC = 'data:image/svg+xml;utf8,<svg version="1.1" xml:space="preserve" width="74.279999" height="86.666664" viewBox="0 0 74.279999 86.666664" xmlns="http://www.w3.org/2000/svg"><path d="M 557.17264,0 25.567509,-0.90909091 C 3.878663,-1.0561896 0.22727273,-0.69278176 0,92.8594 0,215.105 185.715,278.574 185.715,278.574 c 0,0 10.629,18.985 0,46.426 -39.047,28.785 -43.828,73.824 -46.43,185.715 C 147.316,622.742 225.969,650 278.57,650 331.18,650 409.82,622.793 417.859,510.715 415.262,398.824 410.477,353.785 371.434,325 c -10.637,-27.395 0,-46.426 0,-46.426 0,0 185.711,-63.469 185.711,-185.7146" style="fill:#AAAAAA;fill-opacity:1;fill-rule:nonzero;stroke:none" transform="matrix(0.13333333,0,0,-0.13333333,0,86.666667)"/></svg>';
queue = [],
avatars = new Map,
templateId = 'MailMessageView',
getAvatarUid = msg => {
let from = msg.from[0],
bimi = 'pass' == from.dkimStatus ? 1 : 0;
return `${bimi}/${from.email}`;
},
getAvatar = msg => avatars.get(getAvatarUid(msg)),
runQueue = (() => {
let item = queue.shift();
while (item) {
let url = getAvatar(item[0]);
if (url) {
item[1](url);
item = queue.shift();
} else {
// TODO: fetch vCard from Nextcloud contacts
// let cfg = rl.settings.get('Nextcloud'),
let from = item[0].from[0];
rl.pluginRemoteRequest((iError, data) => {
if (!iError && data?.Result.type) {
url = `data:${data.Result.type};base64,${data.Result.data}`;
avatars.set(getAvatarUid(item[0]), url);
item[1](url);
}
runQueue();
}, 'Avatar', {
bimi: 'pass' == from.dkimStatus ? 1 : 0,
email: from.email
});
break;
}
}
}).debounce(1000);
ko.bindingHandlers.fromPic = {
init: (element, self, dummy, msg) => {
if (msg) {
let url = getAvatar(msg),
fn = url=>{element.src = url};
if (url) {
fn(url);
} else {
queue.push([msg, fn]);
runQueue();
}
}
}
};
addEventListener('rl-view-model.create', e => {
if (templateId === e.detail.viewModelTemplateID) {
@ -24,39 +73,28 @@
view.message.subscribe(msg => {
view.viewUserPicVisible(false);
if (msg) {
let from = msg.from[0],
bimi = 'pass' == from.dkimStatus ? 1 : 0;
// view.viewUserPic(`?Avatar/${bimi}/${encodeURIComponent(from.email)}`);
// view.viewUserPicVisible(true);
rl.pluginRemoteRequest((iError, data) => {
if (!iError && data?.Result.type) {
view.viewUserPic(`data:${data.Result.type};base64,${data.Result.data}`);
let url = getAvatar(msg),
fn = url => {
view.viewUserPic(url);
view.viewUserPicVisible(true);
}
}, 'Avatar', {
bimi: bimi,
email: from.email
});
};
if (url) {
fn(url);
} else {
// let from = msg.from[0], bimi = 'pass' == from.dkimStatus ? 1 : 0;
// view.viewUserPic(`?Avatar/${bimi}/${encodeURIComponent(from.email)}`);
// view.viewUserPicVisible(true);
queue.push([msg, fn]);
runQueue();
}
}
});
}
/*
if ('MailMessageList' === e.detail.viewModelTemplateID) {
const
template = document.getElementById('MailMessageList' ),
messageCheckbox = template.content.querySelector('.messageCheckbox');
messageCheckbox.dataset.bind = 'attr:{style:$root.viewUserPic($data)}';
e.detail.viewUserPic = msg => {
let from = msg.from[0],
bimi = 'pass' == from.dkimStatus ? 1 : 0;
return `background:no-repeat url("?Avatar/${bimi}/${encodeURIComponent(from.email)}") center / contain`;
return `background:no-repeat url("?Avatar/${bimi}/${encodeURIComponent(from.email)}") right / 32px;width:68px`;
};
.checkboxMessage {
background: #000;
}
document.getElementById('MailMessageList').content.querySelector('.messageCheckbox')
.append(Element.fromHTML(`<img class="fromPic" data-bind="fromPic:$data">`));
}
*/
});
})(window.rl);