From 12896bd23eeba79884245c1c29fdc568cf21a7fa Mon Sep 17 00:00:00 2001
From: Christopher Speller <crspeller@gmail.com>
Date: Mon, 14 Mar 2016 08:50:46 -0400
Subject: Converting to Webpack. Stage 1.

---
 webapp/stores/preference_store.jsx | 178 +++++++++++++++++++++++++++++++++++++
 1 file changed, 178 insertions(+)
 create mode 100644 webapp/stores/preference_store.jsx

(limited to 'webapp/stores/preference_store.jsx')

diff --git a/webapp/stores/preference_store.jsx b/webapp/stores/preference_store.jsx
new file mode 100644
index 000000000..df77f0d51
--- /dev/null
+++ b/webapp/stores/preference_store.jsx
@@ -0,0 +1,178 @@
+// Copyright (c) 2015 Mattermost, Inc. All Rights Reserved.
+// See License.txt for license information.
+
+import Constants from 'utils/constants.jsx';
+const ActionTypes = Constants.ActionTypes;
+import AppDispatcher from '../dispatcher/app_dispatcher.jsx';
+import BrowserStore from './browser_store.jsx';
+import EventEmitter from 'events';
+import UserStore from 'stores/user_store.jsx';
+
+const CHANGE_EVENT = 'change';
+
+function getPreferenceKey(category, name) {
+    return `${category}-${name}`;
+}
+
+function getPreferenceKeyForModel(preference) {
+    return `${preference.category}-${preference.name}`;
+}
+
+class PreferenceStoreClass extends EventEmitter {
+    constructor() {
+        super();
+
+        this.getAllPreferences = this.getAllPreferences.bind(this);
+        this.get = this.get.bind(this);
+        this.getBool = this.getBool.bind(this);
+        this.getInt = this.getInt.bind(this);
+        this.getPreference = this.getPreference.bind(this);
+        this.getCategory = this.getCategory.bind(this);
+        this.getPreferencesWhere = this.getPreferencesWhere.bind(this);
+        this.setAllPreferences = this.setAllPreferences.bind(this);
+        this.setPreference = this.setPreference.bind(this);
+
+        this.emitChange = this.emitChange.bind(this);
+        this.addChangeListener = this.addChangeListener.bind(this);
+        this.removeChangeListener = this.removeChangeListener.bind(this);
+
+        this.handleEventPayload = this.handleEventPayload.bind(this);
+        this.dispatchToken = AppDispatcher.register(this.handleEventPayload);
+    }
+
+    getAllPreferences() {
+        return new Map(BrowserStore.getItem('preferences', []));
+    }
+
+    get(category, name, defaultValue = '') {
+        const preference = this.getAllPreferences().get(getPreferenceKey(category, name));
+
+        if (!preference) {
+            return defaultValue;
+        }
+
+        return preference.value || defaultValue;
+    }
+
+    getBool(category, name, defaultValue = false) {
+        const preference = this.getAllPreferences().get(getPreferenceKey(category, name));
+
+        if (!preference) {
+            return defaultValue;
+        }
+
+        // prevent a non-false default value from being returned instead of an actual false value
+        if (preference.value === 'false') {
+            return false;
+        }
+
+        return (preference.value !== 'false') || defaultValue;
+    }
+
+    getInt(category, name, defaultValue = 0) {
+        const preference = this.getAllPreferences().get(getPreferenceKey(category, name));
+
+        if (!preference) {
+            return defaultValue;
+        }
+
+        // prevent a non-zero default value from being returned instead of an actual 0 value
+        if (preference.value === '0') {
+            return 0;
+        }
+
+        return parseInt(preference.value, 10) || defaultValue;
+    }
+
+    getPreference(category, name, defaultValue = {}) {
+        return this.getAllPreferences().get(getPreferenceKey(category, name)) || defaultValue;
+    }
+
+    getCategory(category) {
+        return this.getPreferencesWhere((preference) => (preference.category === category));
+    }
+
+    getPreferencesWhere(pred) {
+        const all = this.getAllPreferences();
+        const preferences = [];
+
+        for (const [, preference] of all) {
+            if (pred(preference)) {
+                preferences.push(preference);
+            }
+        }
+
+        return preferences;
+    }
+
+    setAllPreferences(preferences) {
+        // note that we store the preferences as an array of key-value pairs so that we can deserialize
+        // it as a proper Map instead of an object
+        BrowserStore.setItem('preferences', [...preferences]);
+    }
+
+    setPreference(category, name, value) {
+        const preferences = this.getAllPreferences();
+
+        const key = getPreferenceKey(category, name);
+        let preference = preferences.get(key);
+
+        if (!preference) {
+            preference = {
+                user_id: UserStore.getCurrentId(),
+                category,
+                name
+            };
+        }
+        preference.value = value;
+
+        preferences.set(key, preference);
+
+        this.setAllPreferences(preferences);
+
+        return preference;
+    }
+
+    setPreferences(newPreferences) {
+        const preferences = this.getAllPreferences();
+
+        for (const preference of newPreferences) {
+            preferences.set(getPreferenceKeyForModel(preference), preference);
+        }
+
+        this.setAllPreferences(preferences);
+    }
+
+    emitChange() {
+        this.emit(CHANGE_EVENT);
+    }
+
+    addChangeListener(callback) {
+        this.on(CHANGE_EVENT, callback);
+    }
+
+    removeChangeListener(callback) {
+        this.removeListener(CHANGE_EVENT, callback);
+    }
+
+    handleEventPayload(payload) {
+        const action = payload.action;
+
+        switch (action.type) {
+        case ActionTypes.RECEIVED_PREFERENCE: {
+            const preference = action.preference;
+            this.setPreference(preference.category, preference.name, preference.value);
+            this.emitChange();
+            break;
+        }
+        case ActionTypes.RECEIVED_PREFERENCES:
+            this.setPreferences(action.preferences);
+            this.emitChange();
+            break;
+        }
+    }
+}
+
+const PreferenceStore = new PreferenceStoreClass();
+export default PreferenceStore;
+window.PreferenceStore = PreferenceStore;
-- 
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