forked from cory/tildefriends
Cory McWilliams
5cf59994f7
git-svn-id: https://www.unprompted.com/svn/projects/tildefriends/trunk@3174 ed5197a5-7fde-0310-b194-c3ffbd925b24
189 lines
4.0 KiB
JavaScript
189 lines
4.0 KiB
JavaScript
"use strict";
|
|
|
|
class Log {
|
|
constructor(name, capacity) {
|
|
this._name = name;
|
|
this._capacity = capacity || -1;
|
|
}
|
|
|
|
append(item) {
|
|
var log = this;
|
|
return database.get(log._name + "_head").catch(function(error) {
|
|
return 0;
|
|
}).then(function(head) {
|
|
var newHead = (parseInt(head) || 0) + 1;
|
|
var actions = [
|
|
database.set(log._name + "_" + newHead.toString(), JSON.stringify(item)),
|
|
database.set(log._name + "_head", newHead),
|
|
];
|
|
if (log._capacity >= 0) {
|
|
actions.push(log.truncate(newHead - log._capacity));
|
|
}
|
|
return Promise.all(actions);
|
|
});
|
|
}
|
|
|
|
truncate(end) {
|
|
var log = this;
|
|
return database.get(log._name + "_" + end.toString()).then(function(item) {
|
|
if (item) {
|
|
return database.remove(log._name + "_" + end.toString()).then(function() {
|
|
return log.truncate(end - 1);
|
|
});
|
|
}
|
|
});
|
|
}
|
|
|
|
get(count, start, result) {
|
|
var log = this;
|
|
if (!count) {
|
|
count = 10;
|
|
}
|
|
|
|
if (!start) {
|
|
return database.get(log._name + "_head").then(function(head) {
|
|
if (head !== undefined) {
|
|
return log.get(count, parseInt(head));
|
|
} else {
|
|
return [];
|
|
}
|
|
});
|
|
}
|
|
|
|
var promises = [];
|
|
promises.length = count;
|
|
for (var i = 0; i < count; i++) {
|
|
promises[i] = database.get(log._name + "_" + (start - i).toString());
|
|
}
|
|
return Promise.all(promises);
|
|
}
|
|
};
|
|
|
|
/*
|
|
|
|
if (imports.terminal) {
|
|
core.register("onSubmit", function(message) {
|
|
core.broadcast(message);
|
|
});
|
|
|
|
core.register("onMessage", function(from, message) {
|
|
terminal.print(JSON.stringify(message));
|
|
});
|
|
|
|
terminal.print("Hello, world!");
|
|
var log = new Log("events");
|
|
|
|
function dump() {
|
|
return log.get().then(function(data) {
|
|
terminal.print(JSON.stringify(data));
|
|
}).catch(function(error) {
|
|
terminal.print(error);
|
|
});
|
|
}
|
|
|
|
core.register("onInput", function(input) {
|
|
log.append({message: input}).then(dump);
|
|
});
|
|
}
|
|
|
|
core.register("onAtom", function(query) {
|
|
return "hello, world!";
|
|
});
|
|
|
|
*/
|
|
|
|
terminal.setEcho(false);
|
|
|
|
var gBlog = new Log("blog");
|
|
|
|
core.register("onInput", function(input) {
|
|
if (input == "new post") {
|
|
startNewPost();
|
|
} else if (input == "submit") {
|
|
submitNewPost().then(renderBlog);
|
|
}
|
|
});
|
|
|
|
function renderBlog() {
|
|
terminal.split([
|
|
{name: "terminal"},
|
|
]);
|
|
terminal.select("terminal");
|
|
|
|
terminal.print("Blog Test");
|
|
if (core.user.credentials.permissions.authenticated) {
|
|
terminal.print({command: "new post"});
|
|
}
|
|
|
|
gBlog.get(10).then(function(entries) {
|
|
for (var i = 0; i < entries.length; i++) {
|
|
var entry = JSON.parse(entries[i]);
|
|
terminal.print({style: "font-weight: bold", value: entry.title});
|
|
terminal.print(entry.entry);
|
|
terminal.print();
|
|
}
|
|
});
|
|
}
|
|
|
|
var gNewPost;
|
|
|
|
function submitNewPost() {
|
|
return gBlog.append(gNewPost);
|
|
}
|
|
|
|
function startNewPost() {
|
|
core.register("onWindowMessage", function(message) {
|
|
gNewPost = message.message;
|
|
terminal.cork();
|
|
terminal.select("right");
|
|
terminal.clear();
|
|
terminal.print({style: "font-width: x-large", value: message.message.title});
|
|
terminal.print(message.message.entry);
|
|
terminal.print({command: "submit"});
|
|
terminal.uncork();
|
|
});
|
|
|
|
terminal.split([
|
|
{
|
|
type: "horizontal",
|
|
children: [
|
|
{name: "left", grow: "0", shrink: "0", basis: "50%"},
|
|
{name: "right", grow: "0", shrink: "0", basis: "50%"},
|
|
],
|
|
}
|
|
]);
|
|
terminal.select("left");
|
|
terminal.print({iframe: `<html>
|
|
<head>
|
|
<style>
|
|
html, body, textarea {
|
|
position: relative;
|
|
width: 100%;
|
|
height: 100%;
|
|
margin: 0;
|
|
padding: 0;
|
|
overflow: hidden;
|
|
}
|
|
textarea {
|
|
overflow: auto;
|
|
resize: none;
|
|
}
|
|
</style>
|
|
<script>
|
|
function textChanged() {
|
|
parent.postMessage({
|
|
title: document.getElementById("title").value,
|
|
entry: document.getElementById("entry").value,
|
|
}, "*");
|
|
}
|
|
</script>
|
|
</head>
|
|
<body>
|
|
<input type="text" id="title" style="width: 100%" oninput="textChanged()">
|
|
<textarea id="entry" oninput="textChanged()"></textarea>
|
|
</body>
|
|
</html>`, style: "overflow: hidden; position: relative; left: 0; top: 0; right: 0; bottom: 0"});
|
|
terminal.select("right");
|
|
}
|
|
|
|
renderBlog(); |