/core/js/admin-panel/page.js

/**************************************************
 *              Page Controller                   *
 *      Make new pages and edit old pages.        *
 **************************************************/

angular.module('cosmo').controller('pageCtrl', ['$scope', 'REST', '$location', 'Page', '$rootScope', '$routeParams', '$upload', 'Users', function($scope, REST, $location, Page, $rootScope, $routeParams, $upload, Users){

    // Initialize variables
    $scope.page = {
        id: Page.id,
        title: Page.title,
        description: Page.description,
        url: Page.url,
        publish: Page.publish,
        scheduleDate: Page.scheduleDate,
        tags: Page.tags,
        type: Page.type,
        themePages: []
    };

    // Set the date to today if no date was set
    if(!$scope.page.scheduleDate || $location.path() === '/new')
        $scope.page.scheduleDate = new Date(); // Math.round(+new Date().getTime()/1000); Depreciate?

    // Initialize schedule date - Depreciate?
    var date = new Date($scope.page.scheduleDate * 1000);
    var hours = date.getHours() > 12 ? date.getHours() - 12 : date.getHours();
    var ampm = date.getHours() > 12 ? 'PM' : 'AM';
    var formattedDate = date.getMonth() + 1 +'/'+ date.getDate() +'/'+ date.getFullYear() +' '+ hours +':'+ date.getMinutes() +' '+ ampm;
    // $scope.page.scheduleDate = formattedDate;

    // Get the pages available to this theme
    $scope.page.themePages = Page.themePages;

    // Initialize the page type
    if(Page.type)
        $scope.page.type = Page.type;
    else
        $scope.page.type = $scope.page.themePages[0];

    // todo: Save Page.extras save locally too

    // Check if there's an unsaved version from a previous session
    var elements = ['title', 'description', 'publish', 'scheduleDate', 'header', 'subheader', 'body', 'url'];
    if($location.path() !== '/new'){ // Don't apply this to new pages
        angular.forEach(elements, function(value){
            if(localStorage.getItem($routeParams.url + value) !== Page[value] && localStorage.getItem($routeParams.url + value) !== 'null')
                $scope.newerVersion = true;
        });
    }

    // Revert to the previously saved version
    $scope.localVersion = function(){

        var elements = ['title', 'description', 'publish', 'scheduleDate', 'header', 'subheader', 'body', 'url'];
        angular.forEach(elements, function(value){
            // Restore item
            if(localStorage.getItem($routeParams.url + value) !== 'null')
                Page[value] = localStorage.getItem($routeParams.url + value);

            // Clear item from storage
            localStorage.setItem($routeParams.url + value, null);
        });

        $scope.newerVersion = false;
        $rootScope.$broadcast('contentGet');
    };

    // Delete newer version
    $scope.deleteNewerVersion = function(){
        var elements = ['title', 'description', 'publish', 'scheduleDate', 'header', 'subheader', 'body', 'url'];
        angular.forEach(elements, function(value){
            localStorage.setItem($routeParams.url + value, null);
        });

        $scope.newerVersion = false;
    };

    // Delete the page
    $scope.deletePage = function(){
        // Delete the page
        REST.content.delete({ contentID: $scope.page.id }, function(data){
            // Success message
            $translate('deleted').then(function(translatedText){
                $rootScope.$broadcast('notify', {message: translatedText});
            });
        });

        // Delete all revisions of this page
        REST.contentRevisions.delete({ contentID: $scope.page.id });

        // Delte all extra revisions
        REST.contentRevisionsExtras.delete({ contentID: $scope.page.id });

        // Delete all extras from this page
        REST.contentExtras.delete({ contentID: $scope.page.id });

        // Delete all tags for this page
        REST.contentTags.delete({ contentID: $scope.page.id });

        // Redirect to the default new page
        $location.path('new');
    };

    // Watch for page change
    var updatePage = function() {
        $scope.page.title = Page.title;
        $scope.page.description = Page.description;
        $scope.page.url = Page.url;
        $scope.page.type = Page.type;
        $scope.page.tags = Page.tags;
    };
    updatePage();

    $scope.$on('contentGet', function(){
        updatePage();
    });

    // Update the page type
    $scope.updatePageType = function(){
        Page.type = $scope.page.type;
        $rootScope.$broadcast('settingsGet');
    };

    // Auto-generate the url from the title
    $scope.titleChange = function(){

        // Log changes to the Page object
        Page.title = $scope.page.title;

        // Only auto-generate urls for new pages
        if($scope.page.url === '/new' || $scope.page.url === 'new' || !$scope.page.url)
            $scope.autoURL = true;

        if($scope.autoURL){
            // Change spaces to hyphens, convert to lowercase, and remove punctuation
            $scope.page.url = $scope.page.title.toLowerCase().replace(/ /g, '-').replace(/[\.,\/#!$%\^&\*;:{}=_'~()\?]/g, '');
            Page.url = $scope.page.url;
        }
    };

    // Save changes to the description
    $scope.descriptionChange = function(){
        Page.description = $scope.page.description;
    };

    // Save changes to the url
    $scope.urlChange = function(){
        Page.url = $scope.page.url;
    };

    // Update page variables when they are changed
    $scope.saveLocal = function(){
        Page.title = $scope.page.title;
        Page.description = $scope.page.description;
        Page.url = $scope.page.url;
        Page.type = $scope.page.type;

        // Save to local Storage
        localStorage.setItem($routeParams.url + 'title', Page.title);
        localStorage.setItem($routeParams.url + 'description', Page.description);
        localStorage.setItem($routeParams.url + 'url', Page.url);
        localStorage.setItem($routeParams.url + 'publish', Page.publish);
        localStorage.setItem($routeParams.url + 'scheduleDate', Page.scheduleDate);
        localStorage.setItem($routeParams.url + 'type', Page.type);
    };

    // Autocomplete tags
    $scope.autocompleteTags = function(){
        var tag = $scope.page.tags[$scope.page.tags.length - 1];
        if(tag){
            REST.contentTags.query({ tag: tag }, function(data){
                $scope.page.suggestions = data;
            }, function(){ // no tag found
                $scope.page.suggestions = [];
            });
        } else
            $scope.page.suggestions = [];
    };

    // Select tag from autocomplete
    $scope.selectSuggestion = function(tag){
        var tags = angular.copy($scope.page.tags);
        tags[tags.length - 1] = tag;
        tags[tags.length] = '';
        $scope.page.tags = tags;
        $scope.page.suggestions = [];
    };

    // Save the page
    $scope.savePage = function(duplicate){

        // Check for duplicate URL
        if(duplicate && $scope.page.url === $location.path()){
            $translate('page_different_url').then(function(translatedText){
                $rootScope.$broadcast('notify', {message: translatedText, classes: 'alert-error'});
            });
            return;
        }

        // Make sure there is a page type
        if(!$scope.page.type){
            $translate('page_no_type_selected').then(function(translatedText){
                $rootScope.$broadcast('notify', {message: translatedText, classes: 'alert-error'});
            });
            return;
        }

        // If there's no custom title tag, use the header
        if($scope.page.title){
            if($scope.page.title.length === 0)
                $scope.page.title = Page.header;
        }

        // If there's no custom url, throw an error
        if($scope.page.url.length === 0 || $scope.page.url === 'new'){
            $translate('page_no_url').then(function(translatedText){
                $rootScope.$broadcast('notify', { message: translatedText, classes: 'alert-error' });
            });
            return;
        }

        // Get the scheduled date to publish
        var scheduleDate;
        if($scope.page.publish === 'Y' && Page.publish === 'Y') // If this was already published, don't update the published date
            scheduleDate = Page.scheduleDate;
        else if($scope.page.publish === 'Y') // If publishing now, set the publish date to the current time
            scheduleDate = Math.round(+new Date().getTime()/1000);
        else if($scope.page.publish === 'schedule'){
            scheduleDate = Date.parse($scope.page.scheduleDate).getTime()/1000;
            // Check if this is back dated
            if(Date.parse($scope.page.scheduleDate).getTime() < Math.round(+new Date().getTime()))
                $scope.page.publish = 'Y';
            else
                $scope.page.publish = 'N';
        }

        // Get the featured image URL
        if(Page.extras.featured)
            var featured = Page.extras.featured.src;
        else
            var featured = null;

        // Create a new page or a duplicate
        if($location.path() === '/new' || duplicate){
            // Save content
            REST.content.save({
                title: $scope.page.title,
                description: $scope.page.description,
                header: Page.header,
                subheader: Page.subheader,
                featured: featured,
                body: Page.body,
                url: $scope.page.url,
                type: $scope.page.type,
                published: $scope.page.publish,
                published_date: scheduleDate,
                author: Users.id
            }, newPagePromise, function(){ // Error
                $translate('page_error_saving').then(function(translatedText){
                    $rootScope.$broadcast('notify', {message: translatedText, classes: 'alert-error'});
                });
            });
        } else { // Update existing page

            var revisionID;

            // Update the page
            REST.content.update({
                contentID: $scope.page.id,
                title: $scope.page.title,
                description: $scope.page.description,
                header: Page.header,
                subheader: Page.subheader,
                featured: featured,
                body: Page.body,
                url: $scope.page.url,
                type: $scope.page.type,
                published: $scope.page.publish,
                published_date: scheduleDate,
                author: Users.id
            }, updatePagePromise, function(data){ // Error
                $translate('page_error_updating').then(function(translatedText){
                    $rootScope.$broadcast('notify', {message: translatedText, classes: 'alert-error'});
                });
            });
        }

        // Update the page after a new page was saved
        function newPagePromise(data){
            var contentID = data.id;

            // Reset variables to edit page
            $scope.page.id = contentID;
            $scope.autoURL = false;

            // Save new tags
            if($scope.page.tags){
                angular.forEach($scope.page.tags, function(value){
                    REST.contentTags.save({ contentID: contentID, tag: value });
                });
            }

            // Save page as a revision
            REST.contentRevisions.save({
                contentID: contentID,
                title: $scope.page.title,
                description: $scope.page.description,
                header: Page.header,
                subheader: Page.subheader,
                featured: featured,
                body: Page.body,
                url: $scope.page.url,
                type: $scope.page.type,
                published: $scope.page.publish,
                published_date: scheduleDate,
                author: Users.id
            }, saveRevisionPromise);
        }

        // Update the page after saving a page revision
        function saveRevisionPromise(data){
            revisionID = data.id;
            var extrasCounter = {
                i: 1
            };

            // Save additional data if there is any
            if(Object.keys(Page.extras).length === 0){
                // Success message
                $translate('saved').then(function(translatedText){
                    $rootScope.$broadcast('notify', {message: translatedText});
                });
                // Redirect to new page
                $location.path($scope.page.url);
            } else {
                for(var key in Page.extras){
                    // Stringify arrays and objects
                    if(typeof Page.extras[key] === 'object')
                        Page.extras[key] = angular.toJson(Page.extras[key]);

                    // Save extra
                    REST.contentExtras.save({
                        contentID: contentID,
                        name: key,
                        extra: Page.extras[key]
                    }, saveExtrasPromise, saveExtrasPromise);

                    // Save extra to revisions
                    REST.contentRevisionsExtras.save({
                        revisionID: revisionID,
                        contentID: contentID,
                        name: key,
                        extra: Page.extras[key]
                    });
                };
            }
            $translate('page_created').then(function(translatedText){
                $rootScope.$broadcast('notify', {message: translatedText});
            });
        }

        // Notify the user after saving the last extra
        function saveExtrasPromise(){
            // Wait for the last extra to be saved, then redirect the user
            if(extrasCounter.i === Object.keys(Page.extras).length){
                // Success message
                $translate('page_created').then(function(translatedText){
                    $rootScope.$broadcast('notify', {message: translatedText});
                });
                // Redirect to new page
                $location.path($scope.page.url);
            } else
                extrasCounter.i++;
        }

        // Update the page after it's been saved
        function updatePagePromise(data){
            // Delete old tags
            REST.contentTags.delete({ contentID: $scope.page.id }, deleteTagsPromise);

            // Save page as a revision
            REST.contentRevisions.save({
                contentID: $scope.page.id,
                title: $scope.page.title,
                description: $scope.page.description,
                header: Page.header,
                subheader: Page.subheader,
                featured: featured,
                body: Page.body,
                url: $scope.page.url,
                type: $scope.page.type,
                published: $scope.page.publish,
                published_date: $scope.page.scheduleDate,
                author: Users.id
            }, savePageRevisionPromise);
        }

        // Callback for saving a page revision
        function savePageRevisionPromise(data){
            revisionID = data.id;
            // Delete old extras
            REST.contentExtras.delete({ contentID: $scope.page.id }, deleteExtrasPromise);
        }

        // Callback after tags are deleted
        function deleteTagsPromise(){
            // Save new tags
            angular.forEach($scope.page.tags, function(value){
                REST.contentTags.save({ contentID: $scope.page.id, tag: value });
            });
        }

        // Callback after deleting extras
        function deleteExtrasPromise(){
            // Save additional data
            for (var key in Page.extras){
                if (Page.extras.hasOwnProperty(key)){

                    // Stringify arrays and objects
                    if(typeof Page.extras[key] === 'object')
                        Page.extras[key] = angular.toJson(Page.extras[key]);

                    // Save new extra
                    REST.contentExtras.save({
                        contentID: $scope.page.id,
                        name: key,
                        extra: Page.extras[key]
                    }, saveExtrasPromise, saveExtrasPromise);

                    // Save new extra to revisions
                    REST.contentRevisionsExtras.save({
                        revisionID: revisionID,
                        contentID: $scope.page.id,
                        name: key,
                        extra: Page.extras[key]
                    });
                }
            }
            // If there were no extras, notify right away
            if(!Page.extras.length) {
                $translate('page_updated').then(function(translatedText){
                    $rootScope.$broadcast('notify', {message: translatedText});
                });
            }
        }
    };
}]);