Ilovexm24/www/js/update.js

var REST_PARAMS = REST_PARAMS || {};
REST_PARAMS.per_page = 'per_page=10';
FONTE.page_loaded = 0;

function aggiornaPages() {
    var jsonurl = weburl + "wp-json/wp/v2/pages/";
    $.ajax({
        dataType: "json"
        , url: jsonurl
        , success: function (data) {
            $.each(data, function (key, val) {
                var id = val.id;
                var time = val.modified;
                var title = val.title.rendered;
                var content = val.content.rendered;
                FONTE.dbHandler.executeSql('INSERT INTO xm24_pages VALUES (?,?,?,?)', [id, title, time, content], function (resultSet) {
                    console.log('resultSet.insertId: ' + resultSet.insertId);
                    console.log('resultSet.rowsAffected: ' + resultSet.rowsAffected);
                }, function (error) {
                    console.log('INSERT error: ' + error.message);
                });
            });
        }
        , error: JSONErrorHandler
    });
};

function aggiornaSingleCategory(category) {
    //resetta la variabile d'errore per le chiamate ajax asincrone
    FONTE.ajaxError = false;

    var jsonurl = weburl + "wp-json/wp/v2/posts?" + REST_PARAMS.per_page;

    var storage = window.localStorage;
    var lastUpdate = storage.getItem('db_update_date');

    if (lastUpdate) jsonurl += "&filter[date_query][column]=post_modified_gmt&filter[date_query][after]=" + lastUpdate;
    getSinglePageRecur(jsonurl, category, 1)
};

function aggiornaTagsToPosts(id, tagId) {
    FONTE.dbHandler.executeSql('INSERT INTO xm24_tags_to_posts VALUES (?,?)', [id, tagId], function (resultSet) {
        console.log('resultSet.insertId: ' + resultSet.insertId);
        console.log('resultSet.rowsAffected: ' + resultSet.rowsAffected);
    }, function (error) {
        console.log('INSERT error: ' + error.message);
        //feedback
        $("#aggiorna").attr("src", "./image/aggiorna.png");
    });
}

function aggiornaTags(pagenum) {
    var jsonurl = weburl + "wp-json/wp/v2/tags?per_page=100&page=" + pagenum;
    $.ajax({
        dataType: "json"
        , url: jsonurl
        , success: function (data, status, xhr) {
            var totalPages = parseInt(xhr.getResponseHeader("X-WP-TotalPages"));
            $.each(data, function (key, val) {
                var name = val.name;
                var slug = val.slug;
                var id = val.id;
                var blob = JSON.stringify(val);
                FONTE.dbHandler.executeSql('INSERT INTO xm24_tags VALUES (?,?,?)', [id, slug, blob], function (resultSet) {
                    console.log('resultSet.insertId: ' + resultSet.insertId);
                    console.log('resultSet.rowsAffected: ' + resultSet.rowsAffected);
                }, function (error) {
                    console.log('INSERT error: ' + error.message);
                });
            });
            pagenum += 1
            if (pagenum <= totalPages) aggiornaTags(pagenum)
        }
        , error: JSONErrorHandler
    });
};

function aggiornaora() {
    $("#aggiornaora").popup("open");
};

function resetAndUpdate() {
    var storage = window.localStorage;
    //resetto la data e droppo le tabelle
    storage.setItem('db_update_date', null);
    FONTE.dbHandler.executeSql('DROP TABLE IF EXISTS xm24_posts;');
    FONTE.dbHandler.executeSql('CREATE TABLE IF NOT EXISTS xm24_posts (id INTEGER PRIMARY KEY, title, date, category, post)');
    partialUpdate();
}

function update() {
    FONTE.dbHandler.executeSql('SELECT COUNT(*) AS numPosts FROM xm24_posts', [], function (resultSet) {
        var numPosts = resultSet.rows.item(0).numPosts;
        if (numPosts < 300) { //questo numero e' scelto in maniera arbitraria, ricordati Cri.
            resetAndUpdate()
        } else {
            partialUpdate();
        }
    });
}

function partialUpdate() {
    var storage = window.localStorage;
    var jsonurl = weburl + "wp-json/wp/v2/posts?" + REST_PARAMS.per_page + "&categories=" + FONTE.categoriesInfo.join(',');
    
    FONTE.updatedCategoriesCount = 0;
    FONTE.updatedPostsCount = 0;
    FONTE.neededPostsCount = 0;
    
    FONTE.ajaxError = false;
    
    //feedback
    $("#aggiorna").attr("src", "./image/icona_aggiorna.gif");
    
    var lastUpdate = storage.getItem('db_update_date');
    if (lastUpdate) 
        jsonurl += "&after=" + lastUpdate;
        //jsonurl += "&filter[date_query][column]=post_modified_gmt&filter[date_query][after]=" + lastUpdate;
        
    var firstTime = storage.getItem('db_lastnews_firsttime');
    if (firstTime == null) storage.setItem('db_lastnews_firsttime', 'yes');
    if (firstTime == 'yes') storage.setItem('db_lastnews_firsttime', 'no');
    
    mygetSinglePageRecur(jsonurl, 1, FONTE.categoriesInfo);
};

var updateLocalStorageDate = function(){    
    var date = new Date();
    
    var currentUpdate = date.getFullYear() + '-' + ('0' + (date.getMonth() + 1)).slice(-2) + '-' + ('0' + date.getDate()).slice(-2);
    currentUpdate += 'T' + ('0' + date.getHours()).slice(-2) + ':' + ('0' + date.getMinutes()).slice(-2) + ':' + ('0' + date.getSeconds()).slice(-2);
    
    var lastUpdate = window.localStorage.getItem('db_update_date')
    
    window.localStorage.setItem('db_update_date', currentUpdate);
    window.localStorage.setItem('db_lastnews_date', lastUpdate);
}

function mygetSinglePageRecur(url, pagenum, categories) {
    console.log('url:'+url);
    $.ajax({
        dataType: "json"
        , url: url + "&page=" + pagenum
        , success: function (data, textStatus, jqXHR) {
            var totalPages = jqXHR.getResponseHeader('X-WP-TotalPages');
            if (pagenum == totalPages || totalPages == 0) 
                FONTE.updatedCategoriesCount += 1;
                
            FONTE.neededPostsCount += data.length;
            if (FONTE.neededPostsCount == 0) {
                toastr.info('Nessun nuovo articolo.');
                updateLocalStorageDate();
                $("#aggiorna").attr("src", "./image/aggiorna.png");
                if(FONTE.info_page_loaded == 0) {
                    checkloader(categories);
                }
            }
            
            var n_error = 0
            $.each(data, function (key, val) {
                var id = val.id;
                var time = val.modified;
                var title = val.title.rendered;
                var tags = val.tags;
                var postCategories = val.categories;
                var blob = JSON.stringify(val);
                
                FONTE.dbHandler.executeSql('INSERT OR REPLACE INTO xm24_posts VALUES (?,?,?,?)', [id, title, time, blob], function (resultSet) {
                    FONTE.updatedPostsCount++;
                    console.log('Voci aggiornate: ' + FONTE.updatedPostsCount);
                    
                    if (n_error + FONTE.updatedPostsCount >= FONTE.neededPostsCount) {
                        updateLocalStorageDate();
                        toastr.info('Aggiornati ' + FONTE.updatedPostsCount + ' articoli.');
                        checkloader(categories);
                    } //manca il caso in cui sono stati cancellati dei post online, vanno cancellati anche dall'app.
                }, function (error) {
                    n_error++;
                    if (n_error + FONTE.updatedPostsCount >= FONTE.neededPostsCount && FONTE.updatedPostsCount > 0 ) {
                        updateLocalStorageDate();
                        toastr.info('Aggiornati ' + FONTE.updatedPostsCount + ' articoli.');
                        checkloader(categories);
                    }
                });
                
                // $.each(tags, function (key, val) {
                //     aggiornaTagsToPosts(id, val);
                // });
                
                $.each(postCategories, function (key, val) {
                    insertOrUpdateCatToPost(id, val);
                });
            });
            // if (pagenum < totalPages) {
            //     pagenum += 1;
            //     getSinglePageRecur(url, category, pagenum)
            // }
        }
        , error: JSONErrorHandler
    });
};

// function partialUpdate() {
//     //feedback
//     $("#aggiorna").attr("src", "./image/icona_aggiorna.gif");
//     var storage = window.localStorage;
//     var jsonurl = weburl + "wp-json/wp/v2/posts?" + REST_PARAMS.per_page + "&categories=";
// 
//     FONTE.updatedCategoriesCount = 0;
//     FONTE.updatedPostsCount = 0;
//     FONTE.neededPostsCount = 0;
//     for (var index in FONTE.categoriesList) {
//         aggiornaSingleCategory(FONTE.categoriesList[index])
//     }
//     FONTE.dbHandler.executeSql('DROP TABLE IF EXISTS xm24_tags;');
//     //    FONTE.dbHandler.executeSql('DROP TABLE IF EXISTS xm24_tags_to_posts;');
//     FONTE.dbHandler.executeSql('DROP TABLE IF EXISTS xm24_pages;');
//     FONTE.dbHandler.executeSql('CREATE TABLE IF NOT EXISTS xm24_tags (id INTEGER PRIMARY KEY, title, tag)');
//     //    FONTE.dbHandler.executeSql('CREATE TABLE IF NOT EXISTS xm24_tags_to_posts (id, tagid)');
//     FONTE.dbHandler.executeSql('CREATE TABLE IF NOT EXISTS xm24_pages (id INTEGER PRIMARY KEY, title, date, page)');
//     aggiornaTags(1);
//     aggiornaPages();
// 
//     var firstTime = storage.getItem('db_lastnews_firsttime');
//     if (firstTime == null) storage.setItem('db_lastnews_firsttime', 'yes');
//     if (firstTime == 'yes') storage.setItem('db_lastnews_firsttime', 'no');
//     $("#benvenuta").popup("close");
//     checkloader();
// 
// };