anki-reader/lib/src/AnkiCollection.js

A library for reading Anki apkg and collection files.

import { Deck } from './Deck.js';
export class AnkiCollection {
    db;
    crt;
    mod;
    scm;
    decks;
    version;
    config;
    models;
    dconf;
    tags;
    constructor(db) {
        this.db = db;
    }
    getDecks() {
        if (this.decks != null) {
            return {
                ...this.decks
            };
        }
        const result = this.db.exec('SELECT decks FROM col');
        if (result == null || result.length === 0) {
            this.decks = {};
            return {};
        }
        const deckJsons = JSON.parse(result[0].values[0][0]?.toString() ?? '{}');
        const decks = {};
        for (const [deckId, deckJson] of Object.entries(deckJsons)) {
            decks[deckId] = new Deck(deckId, deckJson, this.db);
        }
        this.decks = decks;
        return {
            ...this.decks
        };
    }
    getCreationTime() {
        if (this.crt != null) {
            return this.crt;
        }
        const result = this.db.exec('SELECT crt FROM col');
        if (result == null || result.length === 0) {
            this.crt = new Date();
            return this.crt;
        }
        const crt = result[0].values[0][0];
        // multiply by 1000 to convert seconds to milliseconds (only for crt)
        this.crt = typeof crt === 'number' ? new Date(crt * 1000) : new Date();
        return this.crt;
    }
    getModificationTime() {
        if (this.mod != null) {
            return this.mod;
        }
        const result = this.db.exec('SELECT mod FROM col');
        if (result == null || result.length === 0) {
            this.mod = new Date();
            return this.mod;
        }
        const mod = result[0].values[0][0];
        this.mod = typeof mod === 'number' ? new Date(mod) : new Date();
        return this.mod;
    }
    getSchemaModificationTime() {
        if (this.scm != null) {
            return this.scm;
        }
        const result = this.db.exec('SELECT scm FROM col');
        if (result == null || result.length === 0) {
            this.scm = new Date();
            return this.scm;
        }
        const scm = result[0].values[0][0];
        this.scm = typeof scm === 'number' ? new Date(scm) : new Date();
        return this.scm;
    }
    getVersion() {
        if (this.version != null) {
            return this.version;
        }
        const result = this.db.exec('SELECT ver FROM col');
        if (result == null || result.length === 0) {
            this.version = 0;
            return this.version;
        }
        const ver = result[0].values[0][0];
        this.version = typeof ver === 'number' ? ver : 0;
        return this.version;
    }
    getConfig() {
        if (this.config != null) {
            return {
                ...this.config
            };
        }
        const result = this.db.exec('SELECT conf FROM col');
        if (result == null || result.length === 0) {
            this.config = {};
            return {};
        }
        const config = JSON.parse(result[0].values[0][0]?.toString() ?? '{}');
        this.config = config;
        return {
            ...this.config
        };
    }
    getModels() {
        if (this.models != null) {
            return {
                ...this.models
            };
        }
        const result = this.db.exec('SELECT models FROM col');
        if (result == null || result.length === 0) {
            this.models = {};
            return {};
        }
        const models = JSON.parse(result[0].values[0][0]?.toString() ?? '{}');
        this.models = models;
        return {
            ...this.models
        };
    }
    getDconf() {
        if (this.dconf != null) {
            return {
                ...this.dconf
            };
        }
        const result = this.db.exec('SELECT dconf FROM col');
        if (result == null || result.length === 0) {
            this.dconf = {};
            return {
                ...this.dconf
            };
        }
        const dconf = JSON.parse(result[0].values[0][0]?.toString() ?? '{}');
        this.dconf = dconf;
        return {
            ...this.dconf
        };
    }
    getTags() {
        if (this.tags != null) {
            return {
                ...this.tags
            };
        }
        const result = this.db.exec('SELECT tags FROM col');
        if (result == null || result.length === 0) {
            this.tags = {};
            return {
                ...this.tags
            };
        }
        const tags = JSON.parse(result[0].values[0][0]?.toString() ?? '{}');
        this.tags = tags;
        return {
            ...this.tags
        };
    }
    getRawCollection() {
        return this.db;
    }
}