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Code Issues Releases Wiki Activity

Make getLevelAt() return more generic responses 

Signed-off-by: Travis Ralston <travpc@gmail.com>
pull/21833/head
Travis Ralston 2017-10-29 20:44:00 -06:00
parent b5d5c81f32
commit 9fdc1be7bd
1 changed files with 21 additions and 27 deletions
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48
src/settings/SettingsStore.js
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@ -214,6 +214,10 @@ const LEVEL_HANDLERS = {
"default": new DefaultSettingsHandler(defaultSettings),
};
const LEVEL_ORDER = [
'device', 'room-device', 'room-account', 'account', 'room', 'config', 'default',
];
/**
* Controls and manages application settings by providing varying levels at which the
* setting value may be specified. The levels are then used to determine what the setting
@ -304,9 +308,20 @@ export default class SettingsStore {
* @return {*} The value, or null if not found
*/
static getValue(settingName, roomId = null) {
const levelOrder = [
'device', 'room-device', 'room-account', 'account', 'room', 'config', 'default',
];
return SettingsStore.getValueAt(LEVEL_ORDER[0], settingName, roomId);
}
/**
* Gets a setting's value at a particular level, ignoring all levels that are more specific.
* @param {"device"|"room-device"|"room-account"|"account"|"room"} level The level to
* look at.
* @param {string} settingName The name of the setting to read.
* @param {String} roomId The room ID to read the setting value in, may be null.
* @return {*} The value, or null if not found.
*/
static getValueAt(level, settingName, roomId = null) {
const minIndex = LEVEL_ORDER.indexOf(level);
if (minIndex === -1) throw new Error("Level " + level + " is not prioritized");
if (SettingsStore.isFeature(settingName)) {
const configValue = SettingsStore._getFeatureState(settingName);
@ -317,39 +332,18 @@ export default class SettingsStore {
const handlers = SettingsStore._getHandlers(settingName);
for (const level of levelOrder) {
let handler = handlers[level];
for (let i = minIndex; i < LEVEL_ORDER.length; i++) {
let handler = handlers[LEVEL_ORDER[i]];
if (!handler) continue;
const value = handler.getValue(settingName, roomId);
if (value === null || value === undefined) continue;
return value;
}
return null;
}
/**
* Gets a setting's value at the given level.
* @param {"device"|"room-device"|"room-account"|"account"|"room"} level The lvel to
* look at.
* @param {string} settingName The name of the setting to read.
* @param {String} roomId The room ID to read the setting value in, may be null.
* @return {*} The value, or null if not found.
*/
static getValueAt(level, settingName, roomId=null) {
// We specifically handle features as they have the possibility of being forced on.
if (SettingsStore.isFeature(settingName)) {
const configValue = SettingsStore._getFeatureState(settingName);
if (configValue === "enable") return true;
if (configValue === "disable") return false;
// else let it fall through the default process
}
const handler = SettingsStore._getHandler(settingName, level);
if (!handler) return null;
return handler.getValue(settingName, roomId);
}
/**
* Sets the value for a setting. The room ID is optional if the setting is not being
* set for a particular room, otherwise it should be supplied. The value may be null