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books/index.js

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module.exports = {
async init() {
if (this._initialized) return;
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this.initConfig();
this.initGlobals();
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this._initialized = true;
},
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initConfig() {
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this.config = {
backend: 'sqlite',
port: 8000
};
},
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initGlobals() {
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this.metaCache = {};
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this.modules = {};
this.docs = {};
this.flags = {
cache_docs: false
}
},
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addToCache(doc) {
if (!this.flags.cache_docs) return;
// add to `docs` cache
if (doc.doctype && doc.name) {
if (!this.docs[doc.doctype]) {
this.docs[doc.doctype] = {};
}
this.docs[doc.doctype][doc.name] = doc;
}
},
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getDocFromCache(doctype, name) {
if (this.docs[doctype] && this.docs[doctype][name]) {
return this.docs[doctype][name];
}
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},
getMeta(doctype) {
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if (!this.metaCache[doctype]) {
this.metaCache[doctype] = new (this.getMetaClass(doctype))();
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}
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return this.metaCache[doctype];
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},
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getMetaClass(doctype) {
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doctype = this.slug(doctype);
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if (this.modules[doctype] && this.modules[doctype].Meta) {
return this.modules[doctype].Meta;
} else {
return this.BaseMeta;
}
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},
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async getDoc(doctype, name) {
let doc = this.getDocFromCache(doctype, name);
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if (!doc) {
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let controllerClass = this.getControllerClass(doctype);
doc = new controllerClass({doctype:doctype, name: name});
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await doc.load();
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this.addToCache(doc);
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}
return doc;
},
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async getSingle(doctype) {
return await this.getDoc(doctype, doctype);
},
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async getDuplicate(doc) {
const newDoc = await this.getNewDoc(doc.doctype);
for (let field of this.getMeta(doc.doctype).getValidFields()) {
if (field.fieldname === 'name') continue;
if (field.fieldtype === 'Table') {
newDoc[field.fieldname] = (doc[field.fieldname] || []).map(d => Object.assign({}, d));
} else {
newDoc[field.fieldname] = doc[field.fieldname];
}
}
return newDoc;
},
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newDoc(data) {
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let controllerClass = this.getControllerClass(data.doctype);
let doc = new controllerClass(data);
doc.setDefaults();
return doc;
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},
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getControllerClass(doctype) {
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doctype = this.slug(doctype);
if (this.modules[doctype] && this.modules[doctype].Document) {
return this.modules[doctype].Document;
} else {
return this.BaseDocument;
}
},
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async getNewDoc(doctype) {
let doc = this.newDoc({doctype: doctype});
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doc._notInserted = true;
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doc.name = this.getRandomName();
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this.addToCache(doc);
return doc;
},
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async insert(data) {
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return await (this.newDoc(data)).insert();
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},
login(user='guest', user_key) {
this.session = new this._session.Session(user);
if (user && user_key) {
this.authenticate(user_key);
}
},
close() {
this.db.close();
if (this.server) {
this.server.close();
}
}
};