44 lines
62 KiB
JavaScript
44 lines
62 KiB
JavaScript
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|
|
create table if not exists card_set
|
|
(
|
|
id INTEGER primary key autoincrement,
|
|
name TEXT not null,
|
|
forward TEXT not null,
|
|
backward TEXT not null,
|
|
filter TEXT not null
|
|
);
|
|
|
|
create table if not exists settings
|
|
(
|
|
id text primary key,
|
|
value text
|
|
);
|
|
|
|
create table if not exists word_group
|
|
(
|
|
id INTEGER primary key autoincrement,
|
|
name TEXT not null
|
|
);
|
|
|
|
create table if not exists words
|
|
(
|
|
id INTEGER primary key autoincrement,
|
|
key TEXT not null,
|
|
value TEXT not null,
|
|
tags TEXT not null,
|
|
more TEXT,
|
|
group_id integer default 1 not null
|
|
constraint words_word_group_id_fk references word_group on update cascade on delete cascade
|
|
);
|
|
|
|
create table if not exists card_stats
|
|
(
|
|
id INTEGER primary key autoincrement,
|
|
word_id INTEGER not null references words on delete cascade,
|
|
set_id TEXT not null references card_set on delete cascade,
|
|
score INTEGER default 1 not null,
|
|
last_opened integer not null
|
|
);
|
|
`.split(`;`).map(e=>e.trim()).filter(e=>e.length>0);for(let t of e)await d.exec(f,t+`;`)}self.onmessage=async e=>{let{type:t,id:n,sql:r,params:i}=e.data;try{switch(t){case`init`:await h(),await g(),self.postMessage({type:`result`,id:n,ok:!0,data:null});break;case`execute`:{if(!d||f===null)throw Error(`БД не инициализирована`);let e=await d.execWithParams(f,r,i);self.postMessage({type:`result`,id:n,ok:!0,data:e.rows});break}case`executeVoid`:if(!d||f===null)throw Error(`БД не инициализирована`);await d.run(f,r,i),self.postMessage({type:`result`,id:n,ok:!0,data:null});break;case`closeDb`:d&&f!==null&&(await d.close(f),f=null),p&&=(await p.close(),null),m=!1,self.postMessage({type:`result`,id:n,ok:!0,data:null});break;case`getFile`:{let e=await(await(await(await navigator.storage.getDirectory()).getFileHandle(`japanese_app.db`)).getFile()).arrayBuffer();self.postMessage({type:`result`,id:n,ok:!0,data:e},{transfer:[e]});break}case`replaceFile`:{d&&f!==null&&(await d.close(f),f=null),p&&=(await p.close(),null),m=!1;let e=await(await(await navigator.storage.getDirectory()).getFileHandle(`japanese_app.db`,{create:!0})).createSyncAccessHandle();try{let t=new Uint8Array(i);e.truncate(0),e.write(t,{at:0}),e.flush()}finally{e.close()}await h(),self.postMessage({type:`result`,id:n,ok:!0,data:null});break}default:throw Error(`Неизвестный тип сообщения: ${t}`)}}catch(e){self.postMessage({type:`result`,id:n,ok:!1,error:e.message})}}})(); |