Started fixing ReactNative app

ReactNativeClient/lib/models/setting.js

@@ -0,0 +1,157 @@
+import { BaseModel } from 'lib/base-model.js';
+import { Database } from 'lib/database.js';
+
+class Setting extends BaseModel {
+
+	static tableName() {
+		return 'settings';
+	}
+
+	static modelType() {
+		return BaseModel.TYPE_SETTING;
+	}
+
+	static defaultSetting(key) {
+		if (!(key in this.defaults_)) throw new Error('Unknown key: ' + key);
+		let output = Object.assign({}, this.defaults_[key]);
+		output.key = key;
+		return output;
+	}
+
+	static keys() {
+		if (this.keys_) return this.keys_;
+		this.keys_ = [];
+		for (let n in this.defaults_) {
+			if (!this.defaults_.hasOwnProperty(n)) continue;
+			this.keys_.push(n);
+		}
+		return this.keys_;
+	}
+
+	static publicKeys() {
+		let output = [];
+		for (let n in this.defaults_) {
+			if (!this.defaults_.hasOwnProperty(n)) continue;
+			if (this.defaults_[n].public) output.push(n);
+		}
+		return output;
+	}
+
+	static load() {
+		this.cancelScheduleUpdate();
+		this.cache_ = [];
+		return this.modelSelectAll('SELECT * FROM settings').then((rows) => {
+			this.cache_ = rows;
+		});
+	}
+
+	static setConstant(key, value) {
+		this.constants_[key] = value;
+	}
+
+	static setValue(key, value) {
+		if (!this.cache_) throw new Error('Settings have not been initialized!');
+		
+		for (let i = 0; i < this.cache_.length; i++) {
+			if (this.cache_[i].key == key) {
+				if (this.cache_[i].value === value) return;
+				this.cache_[i].value = value;
+				this.scheduleUpdate();
+				return;
+			}
+		}
+
+		let s = this.defaultSetting(key);
+		s.value = value;
+		this.cache_.push(s);
+		this.scheduleUpdate();
+	}
+
+	static value(key) {
+		if (key in this.constants_) return this.constants_[key];
+
+		if (!this.cache_) throw new Error('Settings have not been initialized!');
+
+		for (let i = 0; i < this.cache_.length; i++) {
+			if (this.cache_[i].key == key) {
+				return this.cache_[i].value;
+			}
+		}
+
+		let s = this.defaultSetting(key);
+		return s.value;
+	}
+
+	// Currently only supports objects with properties one level deep
+	static object(key) {
+		let output = {};
+		let keys = this.keys();
+		for (let i = 0; i < keys.length; i++) {
+			let k = keys[i].split('.');
+			if (k[0] == key) {
+				output[k[1]] = this.value(keys[i]);
+			}
+		}
+		return output;
+	}
+
+	// Currently only supports objects with properties one level deep
+	static setObject(key, object) {
+		for (let n in object) {
+			if (!object.hasOwnProperty(n)) continue;
+			this.setValue(key + '.' + n, object[n]);
+		}
+	}
+
+	static saveAll() {
+		if (!this.updateTimeoutId_) return Promise.resolve();
+
+		this.logger().info('Saving settings...');
+		clearTimeout(this.updateTimeoutId_);
+		this.updateTimeoutId_ = null;
+
+		let queries = [];
+		queries.push('DELETE FROM settings');
+		for (let i = 0; i < this.cache_.length; i++) {
+			let s = Object.assign({}, this.cache_[i]);
+			delete s.public;
+			queries.push(Database.insertQuery(this.tableName(), s));
+		}
+
+		return BaseModel.db().transactionExecBatch(queries).then(() => {
+			this.logger().info('Settings have been saved.');
+		});
+	}
+
+	static scheduleUpdate() {
+		if (this.updateTimeoutId_) clearTimeout(this.updateTimeoutId_);
+
+		this.updateTimeoutId_ = setTimeout(() => {
+			this.saveAll();
+		}, 500);
+	}
+
+	static cancelScheduleUpdate() {
+		if (this.updateTimeoutId_) clearTimeout(this.updateTimeoutId_);
+		this.updateTimeoutId_ = null;
+	}
+
+}
+
+Setting.defaults_ = {
+	'clientId': { value: '', type: 'string', public: false },
+	'activeFolderId': { value: '', type: 'string', public: false },
+	'sync.onedrive.auth': { value: '', type: 'string', public: false },
+	'sync.local.path': { value: '', type: 'string', public: true },	
+	'sync.target': { value: 'onedrive', type: 'string', public: true },
+	'editor': { value: '', type: 'string', public: true },
+};
+
+// Contains constants that are set by the application and
+// cannot be modified by the user:
+Setting.constants_ = {
+	'appName': 'joplin',
+	'appId': 'SET_ME', // Each app should set this identifier
+}
+
+export { Setting };