add Custom Query Filter in Segment UI and Backend

public/js/codemirror/codemirror.aql.js

@@ -0,0 +1,105 @@
+// Define AQL keywords
+const AQL_KEYWORDS = {
+    'for': 'keyword',
+    'in': 'keyword',
+    'filter': 'keyword',
+    'return': 'keyword',
+    'let': 'keyword',
+    'sort': 'keyword',
+    'limit': 'keyword',
+    'collect': 'keyword',
+    'insert': 'keyword',
+    'update': 'keyword',
+    'replace': 'keyword',
+    'remove': 'keyword',
+    'upsert': 'keyword',
+    'and': 'keyword',
+    'or': 'keyword',
+    'not': 'keyword',
+    'null': 'atom',
+    'true': 'atom',
+    'false': 'atom',
+    'asc': 'keyword',
+    'desc': 'keyword',
+    'with': 'keyword',
+    'into': 'keyword'
+};
+
+// Define AQL functions
+const AQL_FUNCTIONS = [
+    'ABS', 'ACOS', 'ASIN', 'ATAN', 'ATAN2', 'CEIL', 'COS', 'DEGREES',
+    'EXP', 'FLOOR', 'LOG', 'LOG2', 'LOG10', 'PI', 'POW', 'RADIANS', 
+    'RAND', 'ROUND', 'SIN', 'SQRT', 'TAN', 'AVG', 'COUNT', 'LENGTH', 
+    'MAX', 'MEDIAN', 'MIN', 'SUM', 'STDDEV_POPULATION', 'STDDEV_SAMPLE', 
+    'VARIANCE_POPULATION', 'VARIANCE_SAMPLE', 'CONCAT', 'CONTAINS', 
+    'SUBSTRING', 'UPPER', 'LOWER', 'TRIM', 'REVERSE', 'LIKE', 'TO_BOOL', 
+    'TO_NUMBER', 'TO_STRING', 'IS_NULL', 'IS_BOOL', 'IS_NUMBER', 
+    'IS_STRING', 'IS_ARRAY', 'IS_OBJECT', 'DATE_NOW', 'DATE_FORMAT'
+];
+
+// CodeMirror mode definition
+CodeMirror.defineMode('aql', function () {
+    return {
+        startState: function () {
+            return { inString: false };
+        },
+        token: function (stream, state) {
+            // String handling
+            if (state.inString) {
+                if (stream.skipTo('"')) {
+                    stream.next();
+                    state.inString = false;
+                } else {
+                    stream.skipToEnd();
+                }
+                return 'string';
+            }
+            if (stream.match('"')) {
+                state.inString = true;
+                return 'string';
+            }
+
+            // Single line comment
+            if (stream.match('//')) {
+                stream.skipToEnd();
+                return 'comment';
+            }
+
+            // Multi-line comment
+            if (stream.match('/*')) {
+                while ((ch = stream.next()) != null) {
+                    if (ch === '*' && stream.eat('/')) {
+                        break;
+                    }
+                }
+                return 'comment';
+            }
+
+            // Keywords and atoms (e.g., true, false, null)
+            const word = stream.match(/[\w$]+/, false);
+            if (word) {
+                const keyword = stream.match(/[\w$]+/)[0].toLowerCase();
+                if (AQL_KEYWORDS.hasOwnProperty(keyword)) {
+                    return AQL_KEYWORDS[keyword];
+                }
+                if (AQL_FUNCTIONS.includes(keyword.toUpperCase())) {
+                    return 'builtin';
+                }
+            }
+
+            // Number handling
+            if (stream.match(/^\d+(\.\d+)?/)) {
+                return 'number';
+            }
+
+            // Operator or punctuation
+            if (stream.match(/[(){}[\],;=<>+\-*\/%&|!]/)) {
+                return 'operator';
+            }
+
+            // Skip to next character if nothing matches
+            stream.next();
+            return null;
+        }
+    };
+});