1 files changed, 149 insertions, 0 deletions
diff --git a/srcs/phpmyadmin/js/designer/database.js b/srcs/phpmyadmin/js/designer/database.js
new file mode 100644
index 0000000..f8456d1
--- /dev/null
+++ b/srcs/phpmyadmin/js/designer/database.js
@@ -0,0 +1,149 @@
+var designerTables = [
+    {
+        name: 'pdf_pages',
+        key: 'pgNr',
+        autoIncrement: true
+    },
+    {
+        name: 'table_coords',
+        key: 'id',
+        autoIncrement: true
+    }
+];
+
+// eslint-disable-next-line no-unused-vars
+var DesignerOfflineDB = (function () {
+    var designerDB = {};
+    var datastore = null;
+
+    designerDB.open = function (callback) {
+        var version = 1;
+        var request = window.indexedDB.open('pma_designer', version);
+
+        request.onupgradeneeded = function (e) {
+            var db = e.target.result;
+            e.target.transaction.onerror = designerDB.onerror;
+
+            var t;
+            for (t in designerTables) {
+                if (db.objectStoreNames.contains(designerTables[t].name)) {
+                    db.deleteObjectStore(designerTables[t].name);
+                }
+            }
+
+            for (t in designerTables) {
+                db.createObjectStore(designerTables[t].name, {
+                    keyPath: designerTables[t].key,
+                    autoIncrement: designerTables[t].autoIncrement
+                });
+            }
+        };
+
+        request.onsuccess = function (e) {
+            datastore = e.target.result;
+            if (typeof callback !== 'undefined' && callback !== null) {
+                callback(true);
+            }
+        };
+
+        request.onerror = designerDB.onerror;
+    };
+
+    designerDB.loadObject = function (table, id, callback) {
+        var db = datastore;
+        var transaction = db.transaction([table], 'readwrite');
+        var objStore = transaction.objectStore(table);
+        var cursorRequest = objStore.get(parseInt(id));
+
+        cursorRequest.onsuccess = function (e) {
+            callback(e.target.result);
+        };
+
+        cursorRequest.onerror = designerDB.onerror;
+    };
+
+    designerDB.loadAllObjects = function (table, callback) {
+        var db = datastore;
+        var transaction = db.transaction([table], 'readwrite');
+        var objStore = transaction.objectStore(table);
+        var keyRange = IDBKeyRange.lowerBound(0);
+        var cursorRequest = objStore.openCursor(keyRange);
+        var results = [];
+
+        transaction.oncomplete = function () {
+            callback(results);
+        };
+
+        cursorRequest.onsuccess = function (e) {
+            var result = e.target.result;
+            if (Boolean(result) === false) {
+                return;
+            }
+            results.push(result.value);
+            result.continue();
+        };
+
+        cursorRequest.onerror = designerDB.onerror;
+    };
+
+    designerDB.loadFirstObject = function (table, callback) {
+        var db = datastore;
+        var transaction = db.transaction([table], 'readwrite');
+        var objStore = transaction.objectStore(table);
+        var keyRange = IDBKeyRange.lowerBound(0);
+        var cursorRequest = objStore.openCursor(keyRange);
+        var firstResult = null;
+
+        transaction.oncomplete = function () {
+            callback(firstResult);
+        };
+
+        cursorRequest.onsuccess = function (e) {
+            var result = e.target.result;
+            if (Boolean(result) === false) {
+                return;
+            }
+            firstResult = result.value;
+        };
+
+        cursorRequest.onerror = designerDB.onerror;
+    };
+
+    designerDB.addObject = function (table, obj, callback) {
+        var db = datastore;
+        var transaction = db.transaction([table], 'readwrite');
+        var objStore = transaction.objectStore(table);
+        var request = objStore.put(obj);
+
+        request.onsuccess = function (e) {
+            if (typeof callback !== 'undefined' && callback !== null) {
+                callback(e.currentTarget.result);
+            }
+        };
+
+        request.onerror = designerDB.onerror;
+    };
+
+    designerDB.deleteObject = function (table, id, callback) {
+        var db = datastore;
+        var transaction = db.transaction([table], 'readwrite');
+        var objStore = transaction.objectStore(table);
+        var request = objStore.delete(parseInt(id));
+
+        request.onsuccess = function () {
+            if (typeof callback !== 'undefined' && callback !== null) {
+                callback(true);
+            }
+        };
+
+        request.onerror = designerDB.onerror;
+    };
+
+    designerDB.onerror = function (e) {
+        // eslint-disable-next-line no-console
+        console.log(e);
+    };
+
+    // Export the designerDB object.
+    return designerDB;
+}());