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class ChatStorageItem {
constructor(chat_history_storer) {
this.chat_history_storer = chat_history_storer;
}
create_index() {
let datetime_string = moment().format("YYYY-MM-DD_HH-mm-ss_SSS");
let chat_index = `chat_${datetime_string}`;
return chat_index;
}
create_title() {
let chat_title = moment().format("YYYY-MM-DD HH:mm:ss");
return chat_title;
}
get_messagers_container_html() {
let messagers_container = $("#messagers-container");
if (messagers_container.children().length > 0) {
return messagers_container[0].outHTML;
} else {
return null;
}
}
get_current_datetime_string() {
return moment().format("YYYY-MM-DD HH:mm:ss.SSS");
}
construct() {
this.html = this.get_messagers_container_html();
this.index = this.create_index();
this.title = this.create_title();
this.saved_datetime = this.get_current_datetime_string();
this.message_count = $("#messagers-container").children().length;
}
}
class ChatHistoryStorer {
constructor() {
this.init_database();
this.render_chat_history_sidebar_items();
}
init_database() {
this.db = new Dexie("chat_history");
this.db.version(1).stores({
chat_history: "index, title, html, saved_datetime",
});
this.db.chat_history.count((count) => {
console.log(`${count} records loaded from chat_history.`);
});
}
clear_database() {
this.db.chat_history.clear();
this.render_chat_history_sidebar_items();
console.log("chat_history cleared.");
}
render_chat_history_sidebar_items() {
let chat_history_sidebar_items = $("#chat-history-sidebar-items");
let chat_history = this.db.chat_history;
chat_history_sidebar_items.empty();
chat_history.each((chat_history_item) => {
let chat_history_item_html = `
<li class="nav-item">
<a class="nav-link" href="#${chat_history_item.index}">
${chat_history_item.title}
</a>
</li>
`;
chat_history_sidebar_items.append(chat_history_item_html);
});
}
save_current_chat_session() {
let chat_storage_item = new ChatStorageItem(this);
chat_storage_item.construct();
if (chat_storage_item.html === null) {
console.log("Empty messagers_container, no chat session to save.");
return;
} else {
this.db.chat_history.put({
index: chat_storage_item.index,
title: chat_storage_item.title,
html: chat_storage_item.html,
saved_datetime: chat_storage_item.saved_datetime,
});
this.render_chat_history_sidebar_items();
console.log(
`${chat_storage_item.message_count} messages saved at ${chat_storage_item.saved_datetime}.`
);
}
}
}
export let chat_history_storer = new ChatHistoryStorer();
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