Add stateful redux functions for navigation

app/reducers/navigation.jsx

@@ -1,17 +1,195 @@
-import { UPDATE_SELECTION } from '../constants/navigation'
+import {
+    UPDATE_SELECTION,
+    ADD_MENU_ITEM,
+    UPDATE_MENU_ITEM,
+    REMOVE_MENU_ITEM,
+    ADD_NOTEBOOK,
+    REMOVE_NOTEBOOK,
+    UPDATE_NOTEBOOK,
+    SORT_NOTEBOOKS,
+    NOTEBOOK_TYPE,
+    MENU_TYPE,
+    REFRESH
+} from '../constants/navigation'
+
+import * as utils from '../utils'
+import glob from 'glob'
+import jsfile from 'jsonfile'
+import path from 'path-extra'
+
+// Load default selection
+utils.createNotebookDir('Entries')
 
 const initialState =
 {
-    selection: {
+    selection: utils.loadNotebookByName('Entries'),
+    selectionIndex: 0,
+    selectionType: MENU_TYPE,
+    menuItems: [],
+    notebooks: [],
+    callback: () => {}
+}
+
+var emptyFunc = () => {}
+
+function findIndexGeneric(array, notebook, type){
+    for(var i=0; i<array.length; i++){
+        var item = array[i]
+        if (item.uuid == notebook.uuid){
+            return {
+                'type': type,
+                'index': i
+            }
+        }
     }
+    return null
+}
+
+function findIndex(state, notebook){
+    var result = null
+    result = findIndexGeneric(state.menuItems, notebook, MENU_TYPE)
+
+    if (result != null){
+        return result
+    }
+
+    result = findIndexGeneric(state.notebooks, notebook, NOTEBOOK_TYPE)
+
+    if (result != null){
+        return result
+    }
+
+    return {'type': MENU_TYPE, 'index': 0}
+}
+
+function refreshMenuItems(state){
+    var menuItems = state.menuItems
+    for(var i=0; i<menuItems.length; i++){
+        var nb = menuItems[i]
+        if(nb.isNotebook){
+            var temp = {
+                title: nb.name,
+                uuid: nb.name,
+                notes: 0
+            }
+
+            var loaded = utils.loadNotebookByName(nb.name)
+
+            nb.title = loaded.title
+            nb.uuid = loaded.uuid
+            nb.path = loaded.path
+            nb.notes = loaded.notes
+        }
+        else if(nb.glob){
+            var dataPath = utils.getAppDataPath()
+            var notes = glob.sync(path.join(dataPath, nb.glob))
+
+            nb.title = nb.name
+            nb.uuid = nb.name
+            nb.notes = notes.length
+        }
+    }
+
+    return menuItems
+}
+
+function refreshNotebooks(){
+
+    var dataPath = utils.getAppDataPath()
+    var notebooks = glob.sync(path.join(dataPath, '!(Entries|Trash).qvnotebook'))
+    var newNotebooks = []
+    for(var i=0; i<notebooks.length; i++){
+        var nbPath = notebooks[i]
+        var obj = jsfile.readFileSync(path.join(nbPath, 'meta.json'))
+        var notes = glob.sync(path.join(nbPath, '*.qvnote'))
+
+        var nb = {}
+        nb.title = obj.name
+        nb.uuid = obj.uuid
+        nb.notes = notes.length
+        nb.path = nbPath
+
+        if(nb.title == ''){
+            nb.state = 'editing'
+        }
+        else{
+            nb.state = 'displaying'
+        }
+
+        newNotebooks.push(nb)
+    }
+
+    newNotebooks.sort(utils.compareNotebooks)
+    return newNotebooks
 }
 
 export default function navigation(state = initialState, action){
     switch (action.type) {
         case UPDATE_SELECTION:
+
+            var selectionDetails = findIndex(state, action.selection)
+
             return Object.assign({}, state, {
-                selection: action.selection
+                selection: action.selection,
+                selectionType: selectionDetails.type,
+                selectionIndex: selectionDetails.index,
+                callback: action.callback || emptyFunc
             })
+        case ADD_MENU_ITEM:
+            state.menuItems.push(action.item)
+            return Object.assign({}, state, {
+                menuItems: state.menuItems,
+                callback: action.callback || emptyFunc
+            })
+        case REMOVE_MENU_ITEM:
+            state.menuItems.splice(action.index, 1)
+            return Object.assign({}, state, {
+                menuItems: state.menuItems,
+                callback: action.callback || emptyFunc
+            })
+        case ADD_NOTEBOOK:
+            state.notebooks.splice(0, 0, action.notebook)
+            return Object.assign({}, state, {
+                notebooks: state.notebooks,
+                callback: action.callback || emptyFunc
+            })
+        case REMOVE_NOTEBOOK:
+            state.notebooks.splice(action.index, 1)
+            return Object.assign({}, state, {
+                notebooks: state.notebooks,
+                callback: action.callback || emptyFunc
+            })
+        case UPDATE_MENU_ITEM:
+            state.menuItems[action.index] = action.item
+            return Object.assign({}, state, {
+                menuItems: state.menuItems,
+                callback: action.callback || emptyFunc
+            })
+        case UPDATE_NOTEBOOK:
+            state.notebooks[action.index] = action.notebook
+            return Object.assign({}, state, {
+                notebooks: state.notebooks,
+                callback: action.callback || emptyFunc
+            })
+
+        case SORT_NOTEBOOKS:
+            state.notebooks.sort(action.sortFunc)
+            return Object.assign({}, state, {
+                notebooks: state.notebooks,
+                callback: action.callback || emptyFunc
+            })
+
+        case REFRESH:
+
+            var menuItems = refreshMenuItems(state)
+            var newNotebooks = refreshNotebooks()
+
+            return Object.assign({}, state, {
+                notebooks: newNotebooks,
+                menuItems: menuItems,
+                callback: action.callback || emptyFunc
+            })
+
         default:
             return state
     }