added new script unique-note-id

unique-note-id/info.json

@@ -0,0 +1,10 @@
+{
+  "name": "Unique note id",
+  "identifier": "unique-note-id",
+  "script": "unique-note-id.qml",
+  "authors": ["@pbek"],
+  "platforms": ["linux", "macos", "windows"],
+  "version": "1.0.0",
+  "minAppVersion": "18.05.1",
+  "description" : "This script generates a 10 character alphanumeric id for the current note and also allows to jump to the note by it."
+}

unique-note-id/unique-note-id.qml

@@ -0,0 +1,73 @@
+import QtQml 2.0
+import QOwnNotesTypes 1.0
+import com.qownnotes.noteapi 1.0
+
+/**
+ * This script generates a 10 character alphanumeric id for the current note and also allows to jump to the note by it
+ */
+Script {
+    /**
+     * Initializes the custom actions
+     */
+    function init() {
+        script.registerCustomAction("generateId", "Generate unique id for current note",
+            "Unique id", "xml-element-new", false, false, true);
+        script.registerCustomAction("jumpById", "Jump to note with unique id",
+            "Jump to id", "edit-find", true, false, false);
+    }
+
+    /**
+     * This function is invoked when a custom action is triggered
+     * in the menu or via button
+     * 
+     * @param identifier string the identifier defined in registerCustomAction
+     */
+    function customActionInvoked(identifier) {
+        switch (identifier) {
+            case "generateId":
+                var uniqueId = uniqueid();
+                var noteText = script.currentNote().noteText;
+
+                // check if we already have generated an id for the note
+                if (noteText.search("id:\\[") != -1) {
+                    script.log("Note already has a unique id");
+                    return;
+                }
+
+                var noteText = script.currentNote().noteText;
+                noteText += "\nid:[" + uniqueId + "]";
+                
+                script.noteTextEditSelectAll();
+                script.noteTextEditWrite(noteText);
+                break;
+            case "jumpById":
+                var uniqueId = script.inputDialogGetText("Unique id", "Please enter the id of the note");
+                var noteIds = script.fetchNoteIdsByNoteTextPart("id:[" + uniqueId + "]");
+
+                if (noteIds.length == 0) {
+                    return;
+                }
+
+                var note = script.fetchNoteById(noteIds[0]);
+                script.setCurrentNote(note);
+                break;
+        }
+    }
+    
+    function uniqueid() {
+        // always start with a letter
+        var idstr=String.fromCharCode(Math.floor((Math.random()*25)+65));
+
+        do {                
+            // between numbers and characters (48 is 0 and 90 is Z (42-48 = 90)
+            var ascicode=Math.floor((Math.random()*42)+48);
+            
+            if (ascicode<58 || ascicode>64) {
+                // exclude all chars between : (58) and @ (64)
+                idstr+=String.fromCharCode(ascicode);    
+            }                
+        } while (idstr.length<10);
+
+        return idstr.toLowerCase();
+    }
+}