release 0.2.0

package.json

@@ -1,7 +1,7 @@
 {
   "name": "trilium",
   "description": "Trilium Notes",
-  "version": "0.1.2",
+  "version": "0.2.0",
   "scripts": {
     "start": "node ./bin/www",
     "test-electron": "xo",

public/javascripts/context_menu.js

@@ -3,54 +3,72 @@
 const contextMenu = (function() {
     const treeEl = $("#tree");
 
-    let clipboardId = null;
+    let clipboardIds = [];
     let clipboardMode = null;
 
     function pasteAfter(node) {
         if (clipboardMode === 'cut') {
-            const subjectNode = treeUtils.getNodeByKey(clipboardId);
+            for (const nodeKey of clipboardIds) {
+                const subjectNode = treeUtils.getNodeByKey(nodeKey);
 
-            treeChanges.moveAfterNode(subjectNode, node);
+                treeChanges.moveAfterNode([subjectNode], node);
+            }
+
+            clipboardIds = [];
+            clipboardMode = null;
         }
         else if (clipboardMode === 'copy') {
-            treeChanges.cloneNoteAfter(clipboardId, node.data.note_tree_id);
+            for (const noteId of clipboardIds) {
+                treeChanges.cloneNoteAfter(noteId, node.data.note_tree_id);
+            }
+
+            // copy will keep clipboardIds and clipboardMode so it's possible to paste into multiple places
         }
-        else if (clipboardId === null) {
+        else if (clipboardIds.length === 0) {
             // just do nothing
         }
         else {
             throwError("Unrecognized clipboard mode=" + clipboardMode);
         }
-
-        clipboardId = null;
-        clipboardMode = null;
     }
 
     function pasteInto(node) {
         if (clipboardMode === 'cut') {
-            const subjectNode = treeUtils.getNodeByKey(clipboardId);
+            for (const nodeKey of clipboardIds) {
+                const subjectNode = treeUtils.getNodeByKey(nodeKey);
 
-            treeChanges.moveToNode(subjectNode, node);
+                treeChanges.moveToNode([subjectNode], node);
+            }
+
+            clipboardIds = [];
+            clipboardMode = null;
         }
         else if (clipboardMode === 'copy') {
-            treeChanges.cloneNoteTo(clipboardId, node.data.note_id);
+            for (const noteId of clipboardIds) {
+                treeChanges.cloneNoteTo(noteId, node.data.note_id);
+            }
+            // copy will keep clipboardIds and clipboardMode so it's possible to paste into multiple places
+        }
+        else if (clipboardIds.length === 0) {
+            // just do nothing
         }
         else {
             throwError("Unrecognized clipboard mode=" + mode);
         }
-
-        clipboardId = null;
-        clipboardMode = null;
     }
 
-    function copy(node) {
-        clipboardId = node.data.note_id;
+    function copy(nodes) {
+        clipboardIds = nodes.map(node => node.data.note_id);
         clipboardMode = 'copy';
+
+        showMessage("Note(s) have been copied into clipboard.");
     }
 
-    function cut(node) {
-        clipboardId = node.key;
+    function cut(nodes) {
+        clipboardIds = nodes.map(node => node.key);
         clipboardMode = 'cut';
+
+        showMessage("Note(s) have been cut into clipboard.");
     }
 
     const contextMenuSettings = {
@@ -71,13 +89,14 @@ const contextMenu = (function() {
             {title: "Paste into <kbd>Ctrl+V</kbd>", cmd: "pasteInto", uiIcon: "ui-icon-clipboard"},
             {title: "Paste after", cmd: "pasteAfter", uiIcon: "ui-icon-clipboard"},
             {title: "----"},
-            {title: "Collapse sub-tree <kbd>Alt+-</kbd>", cmd: "collapse-sub-tree", uiIcon: "ui-icon-minus"}
+            {title: "Collapse sub-tree <kbd>Alt+-</kbd>", cmd: "collapse-sub-tree", uiIcon: "ui-icon-minus"},
+            {title: "Force note sync", cmd: "force-note-sync", uiIcon: "ui-icon-refresh"}
         ],
         beforeOpen: (event, ui) => {
             const node = $.ui.fancytree.getNode(ui.target);
             // Modify menu entries depending on node status
-            treeEl.contextmenu("enableEntry", "pasteAfter", clipboardId !== null);
-            treeEl.contextmenu("enableEntry", "pasteInto", clipboardId !== null);
+            treeEl.contextmenu("enableEntry", "pasteAfter", clipboardIds.length > 0);
+            treeEl.contextmenu("enableEntry", "pasteInto", clipboardIds.length > 0);
 
             // Activate node on right-click
             node.setActive();
@@ -108,10 +127,10 @@ const contextMenu = (function() {
                 protected_session.protectSubTree(node.data.note_id, false);
             }
             else if (ui.cmd === "copy") {
-                copy(node);
+                copy(noteTree.getSelectedNodes());
             }
             else if (ui.cmd === "cut") {
-                cut(node);
+                cut(noteTree.getSelectedNodes());
             }
             else if (ui.cmd === "pasteAfter") {
                 pasteAfter(node);
@@ -125,6 +144,9 @@ const contextMenu = (function() {
             else if (ui.cmd === "collapse-sub-tree") {
                 noteTree.collapseTree(node);
             }
+            else if (ui.cmd === "force-note-sync") {
+                forceNoteSync(node.data.note_id);
+            }
             else {
                 messaging.logError("Unknown command: " + ui.cmd);
             }

public/javascripts/drag_and_drop.js

@@ -46,14 +46,19 @@ const dragAndDropSetup = {
         // This function MUST be defined to enable dropping of items on the tree.
         // data.hitMode is 'before', 'after', or 'over'.
 
+        const nodeToMove = data.otherNode;
+        nodeToMove.setSelected(true);
+
+        const selectedNodes = noteTree.getSelectedNodes();
+
         if (data.hitMode === "before") {
-            treeChanges.moveBeforeNode(data.otherNode, node);
+            treeChanges.moveBeforeNode(selectedNodes, node);
         }
         else if (data.hitMode === "after") {
-            treeChanges.moveAfterNode(data.otherNode, node);
+            treeChanges.moveAfterNode(selectedNodes, node);
         }
         else if (data.hitMode === "over") {
-            treeChanges.moveToNode(data.otherNode, node);
+            treeChanges.moveToNode(selectedNodes, node);
         }
         else {
             throw new Exception("Unknown hitMode=" + data.hitMode);

public/javascripts/note_tree.js

@@ -209,8 +209,6 @@ const noteTree = (function() {
 
         let parentNoteId = 'root';
 
-        //console.log(now(), "Run path: ", runPath);
-
         for (const childNoteId of runPath) {
             const node = getNodesByNoteId(childNoteId).find(node => node.data.parent_note_id === parentNoteId);
 
@@ -223,6 +221,8 @@ const noteTree = (function() {
 
             parentNoteId = childNoteId;
         }
+
+        clearSelectedNodes();
     }
 
     /**
@@ -382,6 +382,22 @@ const noteTree = (function() {
         recentNotes.addRecentNote(currentNoteTreeId, currentNotePath);
     }
 
+    function getSelectedNodes() {
+        return getTree().getSelectedNodes();
+    }
+
+    function clearSelectedNodes() {
+        for (const selectedNode of getSelectedNodes()) {
+            selectedNode.setSelected(false);
+        }
+
+        const currentNode = getCurrentNode();
+
+        if (currentNode) {
+            currentNode.setSelected(true);
+        }
+    }
+
     function initFancyTree(noteTree) {
         assertArguments(noteTree);
 
@@ -389,28 +405,62 @@ const noteTree = (function() {
             "del": node => {
                 treeChanges.deleteNode(node);
             },
-            "shift+up": node => {
+            "ctrl+up": node => {
                 const beforeNode = node.getPrevSibling();
 
                 if (beforeNode !== null) {
-                    treeChanges.moveBeforeNode(node, beforeNode);
+                    treeChanges.moveBeforeNode([node], beforeNode);
                 }
+
+                return false;
             },
-            "shift+down": node => {
+            "ctrl+down": node => {
                 let afterNode = node.getNextSibling();
                 if (afterNode !== null) {
-                    treeChanges.moveAfterNode(node, afterNode);
+                    treeChanges.moveAfterNode([node], afterNode);
                 }
+
+                return false;
             },
-            "shift+left": node => {
+            "ctrl+left": node => {
                 treeChanges.moveNodeUpInHierarchy(node);
+
+                return false;
             },
-            "shift+right": node => {
+            "ctrl+right": node => {
                 let toNode = node.getPrevSibling();
 
                 if (toNode !== null) {
-                    treeChanges.moveToNode(node, toNode);
+                    treeChanges.moveToNode([node], toNode);
                 }
+
+                return false;
+            },
+            "shift+up": node => {
+                node.navigate($.ui.keyCode.UP, true).then(() => {
+                    const currentNode = getCurrentNode();
+
+                    if (currentNode.isSelected()) {
+                        node.setSelected(false);
+                    }
+
+                    currentNode.setSelected(true);
+                });
+
+                return false;
+            },
+            "shift+down": node => {
+                node.navigate($.ui.keyCode.DOWN, true).then(() => {
+                    const currentNode = getCurrentNode();
+
+                    if (currentNode.isSelected()) {
+                        node.setSelected(false);
+                    }
+
+                    currentNode.setSelected(true);
+                });
+
+                return false;
             },
             "f2": node => {
                 editTreePrefix.showDialog(node);
@@ -418,50 +468,54 @@ const noteTree = (function() {
             "alt+-": node => {
                 collapseTree(node);
             },
-            "ctrl+c": node => {
-                contextMenu.copy(node);
-
-                showMessage("Note copied into clipboard.");
+            "ctrl+a": node => {
+                for (const child of node.getParent().getChildren()) {
+                    child.setSelected(true);
+                }
 
                 return false;
             },
-            "ctrl+x": node => {
-                contextMenu.cut(node);
+            "ctrl+c": () => {
+                contextMenu.copy(getSelectedNodes());
 
-                showMessage("Note cut into clipboard.");
+                return false;
+            },
+            "ctrl+x": () => {
+                contextMenu.cut(getSelectedNodes());
 
                 return false;
             },
             "ctrl+v": node => {
                 contextMenu.pasteInto(node);
 
-                showMessage("Note pasted from clipboard into current note.");
-
                 return false;
             },
             "ctrl+return": node => {
                 noteDetailEl.focus();
             },
+            "return": node => {
+                noteDetailEl.focus();
+            },
             // code below shouldn't be necessary normally, however there's some problem with interaction with context menu plugin
             // after opening context menu, standard shortcuts don't work, but they are detected here
             // so we essentially takeover the standard handling with our implementation.
             "left": node => {
-                node.navigate($.ui.keyCode.LEFT, true);
+                node.navigate($.ui.keyCode.LEFT, true).then(() => clearSelectedNodes());
 
                 return false;
             },
             "right": node => {
-                node.navigate($.ui.keyCode.RIGHT, true);
+                node.navigate($.ui.keyCode.RIGHT, true).then(() => clearSelectedNodes());
 
                 return false;
             },
             "up": node => {
-                node.navigate($.ui.keyCode.UP, true);
+                node.navigate($.ui.keyCode.UP, true).then(() => clearSelectedNodes());
 
                 return false;
             },
             "down": node => {
-                node.navigate($.ui.keyCode.DOWN, true);
+                node.navigate($.ui.keyCode.DOWN, true).then(() => clearSelectedNodes());
 
                 return false;
             }
@@ -473,6 +527,22 @@ const noteTree = (function() {
             extensions: ["hotkeys", "filter", "dnd", "clones"],
             source: noteTree,
             scrollParent: $("#tree"),
+            click: (event, data) => {
+                const targetType = data.targetType;
+                const node = data.node;
+
+                if (targetType === 'title' || targetType === 'icon') {
+                    node.setActive();
+
+                    if (!event.ctrlKey) {
+                        clearSelectedNodes();
+                    }
+
+                    node.setSelected(true);
+
+                    return false;
+                }
+            },
             activate: (event, data) => {
                 const node = data.node.data;
 
@@ -731,7 +801,11 @@ const noteTree = (function() {
     $(window).bind('hashchange', function() {
         const notePath = getNotePathFromAddress();
 
-        activateNode(notePath);
+        if (getCurrentNotePath() !== notePath) {
+            console.log("Switching to " + notePath + " because of hash change");
+
+            activateNode(notePath);
+        }
     });
 
     if (isElectron()) {
@@ -766,6 +840,7 @@ const noteTree = (function() {
         setPrefix,
         getNotePathTitle,
         removeParentChildRelation,
-        setParentChildRelation
+        setParentChildRelation,
+        getSelectedNodes
     };
 })();

public/javascripts/sync.js

@@ -13,4 +13,10 @@ async function syncNow() {
 
         showError("Sync failed: " + result.message);
     }
+}
+
+async function forceNoteSync(noteId) {
+    const result = await server.post('sync/force-note-sync/' + noteId);
+
+    showMessage("Note added to sync queue.");
 }

public/javascripts/tree_changes.js

@@ -1,16 +1,30 @@
 "use strict";
 
 const treeChanges = (function() {
-    async function moveBeforeNode(node, beforeNode) {
-        await server.put('notes/' + node.data.note_tree_id + '/move-before/' + beforeNode.data.note_tree_id);
+    async function moveBeforeNode(nodesToMove, beforeNode) {
+        for (const nodeToMove of nodesToMove) {
+            const resp = await server.put('notes/' + nodeToMove.data.note_tree_id + '/move-before/' + beforeNode.data.note_tree_id);
 
-        changeNode(node, node => node.moveTo(beforeNode, 'before'));
+            if (!resp.success) {
+                alert(resp.message);
+                return;
+            }
+
+            changeNode(nodeToMove, node => node.moveTo(beforeNode, 'before'));
+        }
     }
 
-    async function moveAfterNode(node, afterNode) {
-        await server.put('notes/' + node.data.note_tree_id + '/move-after/' + afterNode.data.note_tree_id);
+    async function moveAfterNode(nodesToMove, afterNode) {
+        for (const nodeToMove of nodesToMove) {
+            const resp = await server.put('notes/' + nodeToMove.data.note_tree_id + '/move-after/' + afterNode.data.note_tree_id);
 
-        changeNode(node, node => node.moveTo(afterNode, 'after'));
+            if (!resp.success) {
+                alert(resp.message);
+                return;
+            }
+
+            changeNode(nodeToMove, node => node.moveTo(afterNode, 'after'));
+        }
     }
 
     // beware that first arg is noteId and second is noteTreeId!
@@ -25,19 +39,30 @@ const treeChanges = (function() {
         await noteTree.reload();
     }
 
-    async function moveToNode(node, toNode) {
-        await server.put('notes/' + node.data.note_tree_id + '/move-to/' + toNode.data.note_id);
+    async function moveToNode(nodesToMove, toNode) {
+        for (const nodeToMove of nodesToMove) {
+            const resp = await server.put('notes/' + nodeToMove.data.note_tree_id + '/move-to/' + toNode.data.note_id);
 
-        changeNode(node, node => {
-            // first expand which will force lazy load and only then move the node
-            // if this is not expanded before moving, then lazy load won't happen because it already contains node
-            toNode.setExpanded(true);
+            if (!resp.success) {
+                alert(resp.message);
+                return;
+            }
 
-            node.moveTo(toNode);
+            changeNode(nodeToMove, node => {
+                // first expand which will force lazy load and only then move the node
+                // if this is not expanded before moving, then lazy load won't happen because it already contains node
+                // this doesn't work if this isn't a folder yet, that's why we expand second time below
+                toNode.setExpanded(true);
 
-            toNode.folder = true;
-            toNode.renderTitle();
-        });
+                node.moveTo(toNode);
+
+                toNode.folder = true;
+                toNode.renderTitle();
+
+                // this expands the note in case it become the folder only after the move
+                toNode.setExpanded(true);
+            });
+        }
     }
 
     async function cloneNoteTo(childNoteId, parentNoteId, prefix) {
@@ -94,7 +119,12 @@ const treeChanges = (function() {
             return;
         }
 
-        await server.put('notes/' + node.data.note_tree_id + '/move-after/' + node.getParent().data.note_tree_id);
+        const resp = await server.put('notes/' + node.data.note_tree_id + '/move-after/' + node.getParent().data.note_tree_id);
+
+        if (!resp.success) {
+            alert(resp.message);
+            return;
+        }
 
         if (!isTopLevelNode(node) && node.getParent().getChildren().length <= 1) {
             node.getParent().folder = false;

public/stylesheets/style.css

@@ -175,7 +175,6 @@ div.ui-tooltip {
 
 /* Allow to use <kbd> elements inside the title to define shortcut hints. */
 .ui-menu kbd, button kbd {
-    float: right;
     color: black;
     border: none;
     background-color: transparent;
@@ -184,6 +183,7 @@ div.ui-tooltip {
 
 .ui-menu kbd {
     margin-left: 30px;
+    float: right;
 }
 
 #note-id-display {

routes/api/notes_move.js

@@ -12,6 +12,15 @@ router.put('/:noteTreeId/move-to/:parentNoteId', auth.checkApiAuth, async (req,
     const parentNoteId = req.params.parentNoteId;
     const sourceId = req.headers.source_id;
 
+    const noteToMove = await sql.getFirst("SELECT * FROM notes_tree WHERE note_tree_id = ?", [noteTreeId]);
+
+    if (!await checkTreeCycle(parentNoteId, noteToMove.note_id)) {
+        return res.send({
+            success: false,
+            message: 'Moving note here would create cycle.'
+        });
+    }
+
     const maxNotePos = await sql.getFirstValue('SELECT MAX(note_position) FROM notes_tree WHERE parent_note_id = ? AND is_deleted = 0', [parentNoteId]);
     const newNotePos = maxNotePos === null ? 0 : maxNotePos + 1;
 
@@ -24,7 +33,7 @@ router.put('/:noteTreeId/move-to/:parentNoteId', auth.checkApiAuth, async (req,
         await sync_table.addNoteTreeSync(noteTreeId, sourceId);
     });
 
-    res.send({});
+    res.send({ success: true });
 });
 
 router.put('/:noteTreeId/move-before/:beforeNoteTreeId', auth.checkApiAuth, async (req, res, next) => {
@@ -32,8 +41,16 @@ router.put('/:noteTreeId/move-before/:beforeNoteTreeId', auth.checkApiAuth, asyn
     const beforeNoteTreeId = req.params.beforeNoteTreeId;
     const sourceId = req.headers.source_id;
 
+    const noteToMove = await sql.getFirst("SELECT * FROM notes_tree WHERE note_tree_id = ?", [noteTreeId]);
     const beforeNote = await sql.getFirst("SELECT * FROM notes_tree WHERE note_tree_id = ?", [beforeNoteTreeId]);
 
+    if (!await checkTreeCycle(beforeNote.parent_note_id, noteToMove.note_id)) {
+        return res.send({
+            success: false,
+            message: 'Moving note here would create cycle.'
+        });
+    }
+
     if (beforeNote) {
         await sql.doInTransaction(async () => {
             // we don't change date_modified so other changes are prioritized in case of conflict
@@ -51,7 +68,7 @@ router.put('/:noteTreeId/move-before/:beforeNoteTreeId', auth.checkApiAuth, asyn
             await sync_table.addNoteTreeSync(noteTreeId, sourceId);
         });
 
-        res.send({});
+        res.send({ success: true });
     }
     else {
         res.status(500).send("Before note " + beforeNoteTreeId + " doesn't exist.");
@@ -63,8 +80,16 @@ router.put('/:noteTreeId/move-after/:afterNoteTreeId', auth.checkApiAuth, async
     const afterNoteTreeId = req.params.afterNoteTreeId;
     const sourceId = req.headers.source_id;
 
+    const noteToMove = await sql.getFirst("SELECT * FROM notes_tree WHERE note_tree_id = ?", [noteTreeId]);
     const afterNote = await sql.getFirst("SELECT * FROM notes_tree WHERE note_tree_id = ?", [afterNoteTreeId]);
 
+    if (!await checkTreeCycle(afterNote.parent_note_id, noteToMove.note_id)) {
+        return res.send({
+            success: false,
+            message: 'Moving note here would create cycle.'
+        });
+    }
+
     if (afterNote) {
         await sql.doInTransaction(async () => {
             // we don't change date_modified so other changes are prioritized in case of conflict
@@ -80,7 +105,7 @@ router.put('/:noteTreeId/move-after/:afterNoteTreeId', auth.checkApiAuth, async
             await sync_table.addNoteTreeSync(noteTreeId, sourceId);
         });
 
-        res.send({});
+        res.send({ success: true });
     }
     else {
         res.status(500).send("After note " + afterNoteTreeId + " doesn't exist.");
@@ -102,7 +127,7 @@ router.put('/:childNoteId/clone-to/:parentNoteId', auth.checkApiAuth, async (req
         });
     }
 
-    if (!await checkCycle(parentNoteId, childNoteId)) {
+    if (!await checkTreeCycle(parentNoteId, childNoteId)) {
         return res.send({
             success: false,
             message: 'Cloning note here would create cycle.'
@@ -131,9 +156,7 @@ router.put('/:childNoteId/clone-to/:parentNoteId', auth.checkApiAuth, async (req
         await sql.execute("UPDATE notes_tree SET is_expanded = 1 WHERE note_id = ?", [parentNoteId]);
     });
 
-    res.send({
-        success: true
-    });
+    res.send({ success: true });
 });
 
 router.put('/:noteId/clone-after/:afterNoteTreeId', auth.checkApiAuth, async (req, res, next) => {
@@ -147,7 +170,7 @@ router.put('/:noteId/clone-after/:afterNoteTreeId', auth.checkApiAuth, async (re
         return res.status(500).send("After note " + afterNoteTreeId + " doesn't exist.");
     }
 
-    if (!await checkCycle(afterNote.parent_note_id, noteId)) {
+    if (!await checkTreeCycle(afterNote.parent_note_id, noteId)) {
         return res.send({
             success: false,
             message: 'Cloning note here would create cycle.'
@@ -186,29 +209,51 @@ router.put('/:noteId/clone-after/:afterNoteTreeId', auth.checkApiAuth, async (re
         await sync_table.addNoteTreeSync(noteTree.note_tree_id, sourceId);
     });
 
-    res.send({
-        success: true
-    });
+    res.send({ success: true });
 });
 
-async function checkCycle(parentNoteId, childNoteId) {
-    if (parentNoteId === 'root') {
+async function loadSubTreeNoteIds(parentNoteId, subTreeNoteIds) {
+    subTreeNoteIds.push(parentNoteId);
+
+    const children = await sql.getFirstColumn("SELECT note_id FROM notes_tree WHERE parent_note_id = ?", [parentNoteId]);
+
+    for (const childNoteId of children) {
+        await loadSubTreeNoteIds(childNoteId, subTreeNoteIds);
+    }
+}
+
+/**
+ * Tree cycle can be created when cloning or when moving existing clone. This method should detect both cases.
+ */
+async function checkTreeCycle(parentNoteId, childNoteId) {
+    const subTreeNoteIds = [];
+
+    // we'll load the whole sub tree - because the cycle can start in one of the notes in the sub tree
+    await loadSubTreeNoteIds(childNoteId, subTreeNoteIds);
+
+    async function checkTreeCycleInner(parentNoteId) {
+        if (parentNoteId === 'root') {
+            return true;
+        }
+
+        if (subTreeNoteIds.includes(parentNoteId)) {
+            // while towards the root of the tree we encountered noteId which is already present in the subtree
+            // joining parentNoteId with childNoteId would then clearly create a cycle
+            return false;
+        }
+
+        const parentNoteIds = await sql.getFirstColumn("SELECT DISTINCT parent_note_id FROM notes_tree WHERE note_id = ?", [parentNoteId]);
+
+        for (const pid of parentNoteIds) {
+            if (!await checkTreeCycleInner(pid)) {
+                return false;
+            }
+        }
+
         return true;
     }
 
-    if (parentNoteId === childNoteId) {
-        return false;
-    }
-
-    const parentNoteIds = await sql.getFirstColumn("SELECT DISTINCT parent_note_id FROM notes_tree WHERE note_id = ?", [parentNoteId]);
-
-    for (const pid of parentNoteIds) {
-        if (!await checkCycle(pid, childNoteId)) {
-            return false;
-        }
-    }
-
-    return true;
+    return await checkTreeCycleInner(parentNoteId);
 }
 
 router.put('/:noteTreeId/expanded/:expanded', auth.checkApiAuth, async (req, res, next) => {

routes/api/sync.js

@@ -46,6 +46,30 @@ router.post('/force-full-sync', auth.checkApiAuth, async (req, res, next) => {
     res.send({});
 });
 
+router.post('/force-note-sync/:noteId', auth.checkApiAuth, async (req, res, next) => {
+    const noteId = req.params.noteId;
+
+    await sql.doInTransaction(async () => {
+        await sync_table.addNoteSync(noteId);
+
+        for (const noteTreeId of await sql.getFirstColumn("SELECT note_tree_id FROM notes_tree WHERE is_deleted = 0 AND note_id = ?", [noteId])) {
+            await sync_table.addNoteTreeSync(noteTreeId);
+            await sync_table.addRecentNoteSync(noteTreeId);
+        }
+
+        for (const noteHistoryId of await sql.getFirstColumn("SELECT note_history_id FROM notes_history WHERE note_id = ?", [noteId])) {
+            await sync_table.addNoteHistorySync(noteHistoryId);
+        }
+    });
+
+    log.info("Forcing note sync for " + noteId);
+
+    // not awaiting for the job to finish (will probably take a long time)
+    sync.sync();
+
+    res.send({});
+});
+
 router.get('/changed', auth.checkApiAuth, async (req, res, next) => {
     const lastSyncId = parseInt(req.query.lastSyncId);
 

services/build.js

@@ -1 +1 @@
-module.exports = { build_date:"2017-12-28T21:17:25-05:00", build_revision: "aebce8f12b87e7c3d5dbd23e75918f3d01a4cc64" };
+module.exports = { build_date:"2018-01-01T23:29:34-05:00", build_revision: "ae6e222c506c170ecd24d758328e0678f158bb47" };

services/consistency_checks.js

@@ -17,6 +17,46 @@ async function runCheck(query, errorText, errorList) {
     }
 }
 
+async function checkTreeCycles(errorList) {
+    const childToParents = {};
+    const rows = await sql.getAll("SELECT note_id, parent_note_id FROM notes_tree");
+
+    for (const row of rows) {
+        const childNoteId = row.note_id;
+        const parentNoteId = row.parent_note_id;
+
+        if (!childToParents[childNoteId]) {
+            childToParents[childNoteId] = [];
+        }
+
+        childToParents[childNoteId].push(parentNoteId);
+    }
+
+    function checkTreeCycle(noteId, path, errorList) {
+        if (noteId === 'root') {
+            return;
+        }
+
+        for (const parentNoteId of childToParents[noteId]) {
+            if (path.includes(parentNoteId)) {
+                errorList.push(`Tree cycle detected at parent-child relationship: ${parentNoteId} - ${noteId}, whole path: ${path}`);
+            }
+            else {
+                const newPath = path.slice();
+                newPath.push(noteId);
+
+                checkTreeCycle(parentNoteId, newPath, errorList);
+            }
+        }
+    }
+
+    const noteIds = Object.keys(childToParents);
+
+    for (const noteId of noteIds) {
+        checkTreeCycle(noteId, [], errorList);
+    }
+}
+
 async function runSyncRowChecks(table, key, errorList) {
     await runCheck(`
         SELECT 
@@ -43,6 +83,8 @@ async function runSyncRowChecks(table, key, errorList) {
 async function runChecks() {
     const errorList = [];
 
+    const startTime = new Date();
+
     await runCheck(`
           SELECT 
             note_id 
@@ -124,11 +166,21 @@ async function runChecks() {
     await runSyncRowChecks("notes_tree", "note_tree_id", errorList);
     await runSyncRowChecks("recent_notes", "note_tree_id", errorList);
 
+    if (errorList.length === 0) {
+        // we run this only if basic checks passed since this assumes basic data consistency
+
+        await checkTreeCycles(errorList);
+    }
+
+    const elapsedTimeMs = new Date().getTime() - startTime.getTime();
+
     if (errorList.length > 0) {
+        log.info(`Consistency checks failed (took ${elapsedTimeMs}ms) with these errors: ` + JSON.stringify(errorList));
+
         messaging.sendMessageToAllClients({type: 'consistency-checks-failed'});
     }
     else {
-        log.info("All consistency checks passed.");
+        log.info(`All consistency checks passed (took ${elapsedTimeMs}ms)`);
     }
 }
 

services/content_hash.js

@@ -1,6 +1,7 @@
 const sql = require('./sql');
 const utils = require('./utils');
 const options = require('./options');
+const log = require('./log');
 
 function getHash(rows) {
     let hash = '';
@@ -13,9 +14,11 @@ function getHash(rows) {
 }
 
 async function getHashes() {
+    const startTime = new Date();
+
     const optionsQuestionMarks = Array(options.SYNCED_OPTIONS.length).fill('?').join(',');
 
-    return {
+    const hashes = {
         notes: getHash(await sql.getAll(`SELECT
                                                   note_id,
                                                   note_title,
@@ -62,6 +65,12 @@ async function getHashes() {
                                                   WHERE opt_name IN (${optionsQuestionMarks}) 
                                                   ORDER BY opt_name`, options.SYNCED_OPTIONS))
     };
+
+    const elapseTimeMs = new Date().getTime() - startTime.getTime();
+
+    log.info(`Content hash computation took ${elapseTimeMs}ms`);
+
+    return hashes;
 }
 
 module.exports = {

services/data_encryption.js

@@ -1,6 +1,7 @@
 "use strict";
 
 const crypto = require('crypto');
+const log = require('./log');
 
 function arraysIdentical(a, b) {
     let i = a.length;
@@ -72,7 +73,15 @@ function decrypt(key, iv, cipherText) {
 function decryptString(dataKey, iv, cipherText) {
     const buffer = decrypt(dataKey, iv, cipherText);
 
-    return buffer.toString('utf-8');
+    const str = buffer.toString('utf-8');
+
+    if (str === 'false') {
+        log.error("Could not decrypt string. Buffer: " + buffer);
+
+        throw new Error("Could not decrypt string.");
+    }
+
+    return str;
 }
 
 function noteTitleIv(iv) {

services/messaging.js

@@ -54,6 +54,8 @@ async function sendMessage(client, message) {
 async function sendMessageToAllClients(message) {
     const jsonStr = JSON.stringify(message);
 
+    log.info("Sending message to all clients: " + jsonStr);
+
     webSocketServer.clients.forEach(function each(client) {
         if (client.readyState === WebSocket.OPEN) {
             client.send(jsonStr);

services/sync_table.js

@@ -24,8 +24,8 @@ async function addOptionsSync(optName, sourceId) {
     await addEntitySync("options", optName, sourceId);
 }
 
-async function addRecentNoteSync(notePath, sourceId) {
-    await addEntitySync("recent_notes", notePath, sourceId);
+async function addRecentNoteSync(noteTreeId, sourceId) {
+    await addEntitySync("recent_notes", noteTreeId, sourceId);
 }
 
 async function addEntitySync(entityName, entityId, sourceId) {

services/sync_update.js

@@ -40,7 +40,9 @@ async function updateNoteHistory(entity, sourceId) {
     const orig = await sql.getFirstOrNull("SELECT * FROM notes_history WHERE note_history_id = ?", [entity.note_history_id]);
 
     await sql.doInTransaction(async () => {
-        if (orig === null || orig.date_modified_to < entity.date_modified_to) {
+        // we update note history even if date modified to is the same because the only thing which might have changed
+        // is the protected status (and correnspondingly note_title and note_text) which doesn't affect the date_modified_to
+        if (orig === null || orig.date_modified_to <= entity.date_modified_to) {
             await sql.replace('notes_history', entity);
 
             await sync_table.addNoteHistorySync(entity.note_history_id, sourceId);

views/login.ejs

@@ -48,6 +48,5 @@
     <script>if (typeof module === 'object') {window.module = module; module = undefined;}</script>
 
     <link href="libraries/bootstrap/css/bootstrap.css" rel="stylesheet">
-    <script src="libraries/bootstrap/js/bootstrap.js"></script>
   </body>
 </html>