working on store api...

Signed-off-by: Alex A. Naanou <alex.nanou@gmail.com>

ui (gen4)/features/base.js

@@ -748,7 +748,7 @@ core.ImageGridFeatures.Feature({
 					})
 				}
 			}],
-		['prepareJSONForLoad',
+		['prepareIndexForLoad',
 			function(res, json, base_path){
 				// build data and images...
 				// XXX do we actually need to build stuff here, shouldn't
@@ -774,7 +774,7 @@ core.ImageGridFeatures.Feature({
 					// 			2) add/remove on load/save (approach below)
 					// 				+ less to do in real time
 					// 				- more processing on load/save
-					//console.warn('STUB: setting image .base_path in .prepareJSONForLoad(..)')
+					//console.warn('STUB: setting image .base_path in .prepareIndexForLoad(..)')
 					img.forEach(function(_, img){ img.base_path = base_path })
 				}
 
@@ -1402,7 +1402,7 @@ module.TagsEdit = core.ImageGridFeatures.Feature({
 					delete res.index.data.tags
 				}
 			}],
-		['prepareJSONForLoad',
+		['prepareIndexForLoad',
 			function(res, json){
 				res.data.tags = json.tags || {}
 

ui (gen4)/features/collections.js

@@ -199,27 +199,29 @@ var CollectionActions = actions.Actions({
 	// 	}
 	//
 	// XXX revise doc...
+	// XXX this is almost the same as .store_handlers...
 	get collection_handlers(){
-		var handlers = this.__collection_handlers = this.__collection_handlers || {}
-
-		if(Object.keys(handlers).length == 0){
+		return this.cache('collection_handlers', function(){
 			var that = this
+			var handlers = {}
+
 			handlers['data'] = null
 			this.actions.forEach(function(action){
 				var fmt = that.getActionAttr(action, 'collectionFormat')
+				handlers[fmt]
+					&& console.warn('Multiple handlers for collection format:', store)
 				if(fmt){
 					handlers[fmt] = action
 				}
 			})
-		}
 
-		// cleanup...
-		if(handlers['data'] == null){
-			delete handlers['data']
-		}
+			// cleanup...
+			if(handlers['data'] == null){
+				delete handlers['data']
+			}
 
-		return handlers
-	},
+			return handlers
+		}) },
 
 
 	// Collection events...
@@ -1303,6 +1305,7 @@ module.Collection = core.ImageGridFeatures.Feature({
 
 	tag: 'collections',
 	depends: [
+		'cache',
 		'base',
 		'location',
 		'crop',
@@ -1732,7 +1735,7 @@ module.Collection = core.ImageGridFeatures.Feature({
 		// XXX merge multiple collections...
 		// 		...this can be called multiple times pre single load, once
 		// 		per merged index...
-		['prepareJSONForLoad',
+		['prepareIndexForLoad',
 			function(res, json, base_path){
 				// collection index...
 				var collections = {}
@@ -1813,9 +1816,9 @@ module.Collection = core.ImageGridFeatures.Feature({
 				// XXX prepare collection data for loading...
 				Object.keys(collection_data)
 					.forEach(function(gid){
-						// XXX would be nice to be able to use .prepareJSONForLoad(..) 
+						// XXX would be nice to be able to use .prepareIndexForLoad(..) 
 						// 		to handle collection internals produced by
-						// 		.prepareJSONForLoad(..)...
+						// 		.prepareIndexForLoad(..)...
 						// 		...would need to pass it the local data...
 						// XXX
 					})
@@ -2935,7 +2938,7 @@ var FileSystemCollectionActions = actions.Actions({
 						.then(function(res){
 							// load the collection data...
 							that.collections[title].data = 
-								that.prepareJSONForLoad(res[path]).data
+								that.prepareIndexForLoad(res[path]).data
 						})
 				}))
 		}],

ui (gen4)/features/config.js

@@ -24,6 +24,376 @@ var core = require('features/core')
 
 
 
+/*********************************************************************/
+
+// XXX should we unify this with the save/load API
+var StoreActions = actions.Actions({
+	config: {
+	},
+
+	// Store handler dict...
+	//
+	// Format:
+	// 	{
+	// 		<store-tag>: <handler-action>,
+	// 		...
+	// 	}
+	//
+	// XXX this is almost the same as .collection_handlers...
+	get store_handlers(){
+		return this.cache('store_handlers', function(d){
+			var res = {}
+
+			this.actions.forEach(function(action){ 
+				var store = this.getActionAttr(action, 'handle_data_store')
+				res[store]
+					&& console.warn('Multiple handlers for store:', store)
+				if(store){
+					res[store] = action
+				}
+			}.bind(this))
+
+			return res
+		}) },
+
+	// events...
+	storeDataLoaded: ['- Store/',
+		core.doc`Store data loaded event...
+
+		This is tirggered as soon per store as soon as data is loaded, 
+		this is sync for sync stores.
+
+		NOTE: only one store data set is included per call.`,
+		core.notUserCallable(function(data){
+			// Store data loaded event...
+			//
+			// Not intended for direct use, use .declareReady() to initiate.
+			return data
+		})],
+
+	// base API...
+	prepareStoreToSave: ['- Store/',
+		core.doc`
+
+		Modes:
+			'fast'		- fast timer
+			'full'		- full store
+
+		Format:
+			{
+				// metadata...
+				mode: <mode>,
+				data: <timestamp>,
+
+				// the actual data...
+				store: {
+					<store-type>: {
+						<data-key>: <data>,
+						...
+					},
+					...
+				},
+			}
+		`,
+		function(mode, date){ 
+			var store = {}
+			// populate the store...
+			Object.keys(this.store_handlers)
+				.forEach(function(key){ store[key] = {} })
+			return {
+				mode: mode || 'full',
+				date: date || Date.timeStamp(),
+
+				store: store,
+			} 
+		}],
+	prepareStoreToLoad: ['- Store/',
+		core.doc`
+		
+		NOTE: this can be called multiple times, once per each store.
+		NOTE: only one store data set is included per call.`,
+		function(data){ return data || {} }],
+	// XXX async???
+	saveData: ['- Store/',
+		function(mode, date){
+			var handlers = this.store_handlers
+			var data = this.prepareStoreToSave(mode, date)
+			
+			Object.keys(data.store).forEach(function(store){
+				var handler = handlers[store]
+				handler 
+					&& this[handler].call(this, data.store[store])
+			}.bind(this))
+		}],
+	loadData: ['- Store/',
+		function(){
+			var handlers = this.store_handlers
+			var data = {}
+			return Promise
+				.all(Object.keys(handlers)
+					.map(function(s){
+						var res = this[handlers[s]]()
+						return res instanceof Promise ?
+							// async store...
+							res.then(function(d){ d 
+								&& (data[s] = d)
+								&& this.storeDataLoaded(
+									this.prepareStoreToLoad({[s]: d})) }.bind(this))
+							// sync store...
+							: (res 
+								&& (data[s] = res)
+								&& this.storeDataLoaded(
+									this.prepareStoreToLoad({[s]: res})))
+					}.bind(this))) 
+				.then(function(){ return data })}],
+	// XXX do we need to do a partial clear???
+	clearData: ['- Store/',
+		function(target){
+			var handlers = this.store_handlers
+
+			Object.keys(handlers).forEach(function(store){
+				var handler = handlers[store]
+				handler
+					&& this[handler].call(this, null)
+			}.bind(this))
+		}],
+})
+
+var Store = 
+module.Store = core.ImageGridFeatures.Feature({
+	title: '',
+	doc: '',
+
+	tag: 'store',
+	depends: [
+		'cache',
+	],
+	suggested: [
+		'store-localstorage',
+	],
+	isApplicable: function(){ return typeof(localStorage) != 'undefined' },
+
+	actions: StoreActions,
+
+	handlers: [
+		['start.pre', 
+			function(){ 
+				this.requestReadyAnnounce()
+				this
+					.loadData() 
+					.then(function(){
+						this.declareReady() }.bind(this)) }],
+		// XXX timer???
+		// XXX
+		['stop', 
+			function(){ this.saveData() }],
+	],
+})
+
+
+//---------------------------------------------------------------------
+
+var StoreLocalStorageActions = actions.Actions({
+	// XXX get root key from config...
+	// 		...this would require us to store the store config separately...
+	localStorageDataHandler: ['- Store/',
+		{handle_data_store: 'localStorage',},
+		function(data){
+			// XXX get this from config...
+			var root = 'test-store-root-key'
+
+			// clear...
+			if(data === null){
+				delete localStorage[root]
+
+			// set...
+			} else if(data){
+				localStorage[root] = JSON.stringify(data)
+
+			// get...
+			} else {
+				var d = localStorage[root]
+				return d != undefined ? JSON.parse(d) : {}
+			}
+		}],
+	sessionStorageDataHandler: ['- Store/',
+		{handle_data_store: 'sessionStorage',},
+		function(data){
+			// XXX get this from config...
+			var root = 'test-store-root-key'
+
+			// clear...
+			if(data === null){
+				delete sessionStorage[root]
+
+			// set...
+			} else if(data){
+				sessionStorage[root] = JSON.stringify(data)
+
+			// get...
+			} else {
+				var d = localStorage[root]
+				return d != undefined ? JSON.parse(d) : {}
+			}
+		}],
+})
+
+var StoreLocalStorage = 
+module.StoreLocalStorage = core.ImageGridFeatures.Feature({
+	title: '',
+	doc: '',
+
+	tag: 'store-localstorage',
+	depends: [
+		'store',
+	],
+	isApplicable: function(){ 
+		return typeof(localStorage) != 'undefined' 
+			&& typeof(sessionStorage) != 'undefined' },
+
+	actions: StoreLocalStorageActions,
+})
+
+
+//---------------------------------------------------------------------
+
+// XXX StoreFSJSONSync
+// 		Lookup order:
+// 			- app dir
+// 			- $HOME
+
+// XXX StoreFSJSON
+
+
+
+//---------------------------------------------------------------------
+
+var ConfigStoreActions = actions.Actions({
+	config: {
+		// XXX should this include path???
+		// 		...there should be modes:
+		// 			- 'read-only'	-- don't save...
+		// 			- 'portable'	-- use APP dir
+		// 			- 'normal'		-- use $HOME
+		'config-fs-filename': '.ImageGrid.json',
+	},
+
+	__base_config: null,
+
+	/* XXX
+	// XXX should this also reload???
+	resetConfig: ['- Config/',
+		function(){
+			var base = this.__base_config = this.__base_config || this.config
+			this.config = Object.create(base)
+		}],
+	//*/
+	/* XXX use timer events...
+	toggleAutoStoreConfig: ['File/Store configuration',
+		toggler.Toggler(null, 
+			function(_, state){ 
+				if(state == null){
+					return this.__auto_save_config_timer || 'none'
+
+				} else {
+					var that = this
+					var interval = this.config['config-auto-save-interval']
+
+					// no timer interval set...
+					if(!interval){
+						return false
+					}
+
+					// this cleans up before 'on' and fully handles 'off' action...
+					if(this.__auto_save_config_timer != null){
+						clearTimeout(this.__auto_save_config_timer)
+						delete this.__auto_save_config_timer
+					}
+
+					if(state == 'running' 
+							&& interval 
+							&& this.__auto_save_config_timer == null){
+
+						var runner = function(){
+							clearTimeout(that.__auto_save_config_timer)
+
+							//that.logger && that.logger.emit('config', 'saving to local storage...')
+							that.storeConfig()
+
+							var interval = that.config['config-auto-save-interval']
+							if(!interval){
+								delete that.__auto_save_config_timer
+								return
+							}
+							interval *= 1000
+
+							that.__auto_save_config_timer = setTimeout(runner, interval)
+						}
+
+						runner()
+					}
+				}
+			},
+			'running')],
+	//*/
+})
+
+var ConfigStore = 
+module.ConfigStore = core.ImageGridFeatures.Feature({
+	title: '',
+	doc: '',
+
+	tag: 'store-config',
+	priority: 80,
+	depends: [
+		'store-localstorage',
+	],
+	suggested: [
+		'store-fs-json-sync',
+	],
+
+	actions: ConfigStoreActions,
+
+	handlers: [
+		['prepareStoreToSave', 
+			function(res){
+				// localStorage...
+				// NOTE: we do not need to clone anything here as this 
+				// 		will be done by the localStorage handler...
+				res.store.localStorage.config = this.config
+
+				// XXX sync fs store...
+				// XXX get better tag...
+				if(res.store.fsJSONSync){
+					// XXX should this include path???
+					res.store.fsJSONSync[this.config['config-fs-filename'] || '.ImageGrid.json'] = this.config
+				}
+			}],
+		// NOTE: this is sync for sync stores...
+		['storeDataLoaded',
+			function(store){
+				if((store.localStorage || {}).config){
+					console.log('--- PRE LOAD CONFIG (test)')
+					var base = this.__base_config = this.__base_config || this.config
+					var config = store.localStorage.config || {}
+					config.__proto__ = base
+					// XXX set the config...
+					// 		...disabled for now to avoid conflicts with 
+					// 		legacy until we are ready to make the move...
+					//this.config = config
+				}
+
+				// XXX sync fs store...
+				// XXX get better tag...
+				if((store.fsJSONSync || {}).config){
+					// XXX
+				}
+			}],
+	],
+})
+
+
+
 /*********************************************************************/
 // XXX might be a good idea to add an external payload mechanism for 
 // 		other data to be saved to avoid re-implementing the same logic
@@ -128,6 +498,7 @@ module.Config = core.ImageGridFeatures.Feature({
 
 	tag: 'config',
 	depends: [
+		'store',
 	],
 	priority: 80,
 	suggested: [
@@ -142,6 +513,7 @@ module.Config = core.ImageGridFeatures.Feature({
 		// 		first to run...
 		['start.pre',
 			function(){ 
+				console.log('--- PRE LOAD CONFIG')
 				this.logger && this.logger
 					.push('Startup')
 						.emit('loaded', 'config')

ui (gen4)/features/filesystem.js

@@ -105,7 +105,7 @@ var IndexFormatActions = actions.Actions({
 			2) .prepareIndexForWrite(..) action
 				- takes the output of .json(..) and converts to a format 
 					ready for writing/serialization...
-				- compatible with .prepareJSONForLoad(..)
+				- compatible with .prepareIndexForLoad(..)
 				- this directly affects the index structure 
 					(see: file.writeIndex(..))
 
@@ -164,11 +164,11 @@ var IndexFormatActions = actions.Actions({
 			}
 		}],
 	// XXX should this return {} or json???
-	prepareJSONForLoad: ['- File/Prepare JSON for loading',
+	prepareIndexForLoad: ['- File/Prepare JSON for loading',
 		core.doc`Prepare JSON for loading...
 
-			.prepareJSONForLoad(json)
-			.prepareJSONForLoad(json, base_path)
+			.prepareIndexForLoad(json)
+			.prepareIndexForLoad(json, base_path)
 				-> data
 
 		Prepare the loaded JSON data to be loaded via the .load(..) action.
@@ -333,7 +333,7 @@ var FileSystemLoaderActions = actions.Actions({
 							}
 						}
 
-						var part = that.prepareJSONForLoad(res[k], k)
+						var part = that.prepareIndexForLoad(res[k], k)
 
 						// load the first index...
 						if(index == null){
@@ -1064,7 +1064,7 @@ module.Comments = core.ImageGridFeatures.Feature({
 		// NOTE: this will skip the 'raw' comment field...
 		// NOTE: we do not change the .json() format here, so we do not 
 		// 		need to do anything special to restore, i.e. no need for
-		// 		doing anything on .prepareJSONForLoad(..)
+		// 		doing anything on .prepareIndexForLoad(..)
 		['prepareIndexForWrite',
 			function(res){
 				var changed = res.changes === true

ui (gen4)/features/meta.js

@@ -135,6 +135,9 @@ core.ImageGridFeatures.Feature('imagegrid-testing', [
 	// 		...this is best included by direct feature dependency.
 	'index-format',
 
+	// XXX testing...
+	'store-config',
+
 	'config',
 	'ui-url-hash',
 

ui (gen4)/features/sort.js

@@ -564,7 +564,7 @@ module.Sort = core.ImageGridFeatures.Feature({
 						}
 					})
 			}],
-		['prepareJSONForLoad',
+		['prepareIndexForLoad',
 			function(res){
 				['sort_order', 'sort_cache']
 					.forEach(function(attr){